diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc
index d3b1a0239e3f..785ab4913f8d 100644
--- a/ObsoleteFiles.inc
+++ b/ObsoleteFiles.inc
@@ -1,11527 +1,11530 @@
 #
 #
 # This file lists old files (OLD_FILES), libraries (OLD_LIBS, MOVED_LIBS)
 # and directories (OLD_DIRS) which should get removed after an update.
 # Recently removed entries should be listed first (with the date as a
 # comment). OLD_LIBS and MOVED_LIBS should only list dynamic libraries.
 # Static libraries, links to dynamic libraries (lib*.so), and linker scripts
 # should be listed in OLD_FILES. OLD_LIBS and MOVED_LIBS are removed by the
 # delete-old-libs target, whereas OLD_FILES and OLD_DIRS are removed by the
 # delete-old target. This separation allows users to avoid deleting old
 # dynamic libraries still required by existing binaries.
 #
 # MOVED_LIBS should be used instead of OLD_LIBS when a library is moved
 # from usr/lib to lib or vice versa.  This avoids removing libraries for
 # alternate ABIs (such as lib32) which store all libraries in a single
 # directory (e.g. usr/lib32).
 #
 # For files listed in OLD_FILES, OLD_LIBS, and MOVED_LIBS, the check-old*
 # and delete-old* targets will also delete associated debug symbols from
 # usr/lib/debug.
 #
 # In case of a complete directory hierarchy the sorting is in depth first
 # order.
 #
 # Files that are installed or removed depending on some build option
 # should be listed in /usr/src/tools/build/mk/OptionalObsoleteFiles.inc
 # instead of in this file.
 #
 # Before you commit changes to this file please check if any entries in
 # tools/build/mk/OptionalObsoleteFiles.inc can be removed. The following
 # command tells which files are listed more than once regardless of some
 # architecture specific conditionals, so you can not blindly trust the
 # output:
 # ( grep '+=' /usr/src/ObsoleteFiles.inc | sort -u ; \
 # grep '+=' /usr/src/tools/build/mk/OptionalObsoleteFiles.inc | sort -u) | \
 # sort | uniq -d
 #
 # To find regular duplicates not dependent on optional components, you can
 # also use something that will not give you false positives, e.g.:
 # for t in `make -V TARGETS universe`; do
 #   __MAKE_CONF=/dev/null make -f Makefile.inc1 TARGET=$t \
 #   -V OLD_FILES -V OLD_LIBS -V MOVED_LIBS -V OLD_DIRS check-old | \
 #   xargs -n1 | sort | uniq -d;
 # done
 #
 # For optional components, you can use the following to see if some entries
 # in OptionalObsoleteFiles.inc have been obsoleted by ObsoleteFiles.inc
 # for o in tools/build/options/WITH*; do
 #   __MAKE_CONF=/dev/null make -f Makefile.inc1 -D${o##*/} \
 #   -V OLD_FILES -V OLD_LIBS -V MOVED_LIBS -V OLD_DIRS check-old | \
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20250917: VREF macro removed
+OLD_FILES+=usr/share/man/man9/VREF.9.gz
+
 # 20250917: Remove a miscapitalized manual
 OLD_FILES+=usr/share/man/man9/vnet.9.gz
 OLD_FILES+=usr/share/man/man9/vimage.9.gz
 
 # 20250911: This tool is no longer needed
 OLD_FILES+=usr/tests/bin/cp/sparse
 
 # 20250826: Remove a misspelled manual
 OLD_FILES+=usr/share/man/man3/sysdecode_syscallnames.3.gz
 
 # 20250812: Remove a bogus manlink
 OLD_FILES+=usr/share/man/man3/quota_statfs.3.gz
 
 # 20250808: nvmfd removed from base install
 OLD_FILES+=usr/sbin/nvmfd
 OLD_FILES+=usr/share/man/man8/nvmfd.8.gz
 
 # 20250807: Replace lib/libgssapi with krb5/lib/gssapi
 OLD_FILES+=usr/include/gssapi_krb5/gssapi.h
 OLD_FILES+=usr/include/gssapi_krb5/gssapi/gssapi.h
 OLD_FILES+=usr/include/gssapi_krb5/gssapi/mechglue.h
 OLD_DIRS+=usr/include/gssapi_krb5/gssapi
 OLD_DIRS+=usr/include/gssapi_krb5
 OLD_FILES+=etc/gssapi/qop
 
 # 20250802: libutil bumped to 10
 OLD_LIBS+=lib/libutil.so.9
 
 # 20250801: libopencsd libraries moved to /usr/lib and made private
 OLD_FILES+=lib/libopencsd.so.0
 OLD_FILES+=usr/lib/libopencsd.a
 OLD_FILES+=usr/lib/libopencsd.so
 
 # 20250801: Move compile_et to /usr/sbin
 OLD_FILES+=usr/share/et/compile_et
 
 # 20250728: zfsboot (MBR) removed
 OLD_FILES+=boot/zfsboot
 OLD_FILES+=usr/share/man/man8/zfsboot.8.gz
 
 # 20250728: Machine versions of 'runq.h' do not exist anymore
 OLD_FILES+=usr/include/machine/runq.h
 
 # 20250727: libvmmapi bumped to 7
 OLD_LIBS+=usr/lib/libvmmapi.so.6
 
 # 20250726: MIT KRB5 DSO bump
 OLD_LIBS+=usr/lib/libcom_err.so.121
 OLD_LIBS+=usr/lib/libgssapi_krb5.so.121
 OLD_LIBS+=usr/lib/libgssrpc.so.121
 OLD_LIBS+=usr/lib/libk5crypto.so.121
 OLD_LIBS+=usr/lib/libkadm5clnt_mit.so.121
 OLD_LIBS+=usr/lib/libkadm5srv_mit.so.121
 OLD_LIBS+=usr/lib/libkdb5.so.121
 OLD_LIBS+=usr/lib/libkrad.so.121
 OLD_LIBS+=usr/lib/libkrb5.so.121
 OLD_LIBS+=usr/lib/libkrb5profile.so.121
 OLD_LIBS+=usr/lib/libkrb5support.so.121
 OLD_LIBS+=usr/lib/libverto.so.121
 
 # 20250726: xargs tests rewritten
 OLD_FILES+=usr/tests/usr.bin/xargs/legacy_test
 OLD_FILES+=usr/tests/usr.bin/xargs/regress.n2147483647.out
 OLD_FILES+=usr/tests/usr.bin/xargs/regress.sh
 
 # 20250726: This file is now installed in /etc/dma
 OLD_FILES+=usr/share/examples/dma/auth.conf
 
 # 20250725: libbsnmp bumped to version 7
 OLD_LIBS+=usr/lib/libbsnmp.so.6
 
 # 20250725: Files which were briefly installed by WITH_MITKRB5 in 15.0.
 OLD_FILES+=usr/include/kadm5/admin_internal.h
 OLD_FILES+=usr/include/kadm5/admin_xdr.h
 OLD_FILES+=usr/include/kadm5/kadm_rpc.h
 OLD_FILES+=usr/include/kadm5/server_internal.h
 OLD_FILES+=usr/include/internal.h
 OLD_FILES+=usr/include/t_daemon.h
 OLD_FILES+=usr/include/t_test.h
 OLD_FILES+=usr/include/dyn.h
 OLD_FILES+=usr/include/dynP.h
 OLD_FILES+=usr/include/gssrpcint.h
 OLD_FILES+=usr/include/import_err.h
 OLD_FILES+=usr/share/man/man3/db_btree.3.gz
 OLD_FILES+=usr/share/man/man3/db_hash.3.gz
 OLD_FILES+=usr/share/man/man3/db_lock.3.gz
 OLD_FILES+=usr/share/man/man3/db_log.3.gz
 OLD_FILES+=usr/share/man/man3/db_mpool.3.gz
 OLD_FILES+=usr/share/man/man3/db_open.3.gz
 OLD_FILES+=usr/share/man/man3/db_recno.3.gz
 OLD_FILES+=usr/share/man/man3/db_txn.3.gz
 OLD_FILES+=usr/share/man/man5/profile.5.gz
 OLD_FILES+=usr/share/man/man8/kamdin.local.8.gz
 
 # 20250716: Remove an old manual page, vn(4) was removed in FreeBSD 5.0
 OLD_FILES+=usr/share/man/man4/vn.4.gz
 
 # 20250710: share: Delete bitrotted make_*_driver.sh scripts
 OLD_FILES+=usr/share/examples/drivers/README
 OLD_FILES+=usr/share/examples/drivers/make_device_driver.sh
 OLD_FILES+=usr/share/examples/drivers/make_pseudo_driver.sh
 OLD_DIRS+=usr/share/examples/drivers
 
 # 20250710: shar(1) removed
 OLD_FILES+=usr/bin/shar
 
 # 20250708: For 34 days 15.0-CURRENT installed libkadm5clnt symlink without .so
 OLD_FILES+=usr/lib/libkadm5clnt
 
 # 20250626: For 11 days 15.0-CURRENT installed libtpool to the wrong location
 MOVED_LIBS+=usr/lib/libtpool.so.2
 
 # 20250626: replace yaml.lua with lyaml
 OLD_FILES+=usr/share/flua/yaml.lua
 
 # 20250615: don't install man page for absent function
 OLD_FILES+=usr/share/man/man9/vm_map_simplify_entry.9.gz
 
 # 20250615: OpenSSL 3.5.0
 OLD_LIBS+=lib/libcrypto.so.30
 OLD_FILES+=usr/include/openssl/asn1_mac.h
 OLD_LIBS+=usr/lib/libssl.so.30
 OLD_FILES+=usr/share/man/man3/TS_VERIFY_CTX_set_certs.3
 OLD_FILES+=usr/share/man/man7/crypto.7
 OLD_FILES+=usr/share/man/man7/migration_guide.7
 OLD_FILES+=usr/share/man/man7/ssl.7
 
 # 20250521: don't install zoneinfo version
 OLD_FILES+=usr/share/zoneinfo/version
 
 # 20250516: NDFREE(9) -> NDFREE_PNBUF(9)
 OLD_FILES+=usr/share/man/man9/NDFREE.9.gz
 
 # 20250511: mailx test renamed
 OLD_FILES+=usr/tests/usr.bin/mail/mail_sigint_test
 
 # 20250505: Remove audio(8) files after rename to sndctl(8)
 OLD_FILES+=usr/sbin/audio
 OLD_FILES+=usr/share/man/man8/audio.8.gz
 
 # 20250409: removal of iwlwifi firmware files
 OLD_FILES+=usr/share/doc/legal/intel_iwlwifi_firmware.LICENCE
 
 # 20250331: removal of TCPPCAP
 OLD_FILES+=usr/include/netinet/tcp_pcap.h
 
 # 20250310: caroot bundle updated
 OLD_FILES+=usr/share/certs/trusted/Entrust_Root_Certification_Authority_-_G4.pem
 OLD_FILES+=usr/share/certs/trusted/SecureSign_RootCA11.pem
 OLD_FILES+=usr/share/certs/trusted/Security_Communication_RootCA3.pem
 OLD_FILES+=usr/share/certs/trusted/SwissSign_Silver_CA_-_G2.pem
 OLD_FILES+=usr/share/certs/untrusted/AddTrust_External_Root.pem
 OLD_FILES+=usr/share/certs/untrusted/AddTrust_Low-Value_Services_Root.pem
 OLD_FILES+=usr/share/certs/untrusted/Staat_der_Nederlanden_Root_CA_-_G2.pem
 OLD_FILES+=usr/share/certs/untrusted/Cybertrust_Global_Root.pem
 OLD_FILES+=usr/share/certs/untrusted/DST_Root_CA_X3.pem
 OLD_FILES+=usr/share/certs/untrusted/GlobalSign_Root_CA_-_R2.pem
 OLD_FILES+=usr/share/certs/untrusted/QuoVadis_Root_CA.pem
 OLD_FILES+=usr/share/certs/untrusted/Sonera_Class_2_Root_CA.pem
 OLD_FILES+=usr/share/certs/untrusted/GeoTrust_Global_CA.pem
 OLD_FILES+=usr/share/certs/untrusted/Staat_der_Nederlanden_EV_Root_CA.pem
 OLD_FILES+=usr/share/certs/untrusted/E-Tugra_Certification_Authority.pem
 OLD_FILES+=usr/share/certs/untrusted/Hongkong_Post_Root_CA_1.pem
 OLD_FILES+=usr/share/certs/untrusted/Security_Communication_Root_CA.pem
 OLD_FILES+=usr/share/certs/untrusted/Trustis_FPS_Root_CA.pem
 
 # 20250205: bus_generic_attach.9 removed after the function was deprecated
 OLD_FILES+=usr/share/man/man9/bus_generic_attach.9.gz
 
 # 20250204: sys/vm/stack test symbols moved to /usr/lib/debug
 OLD_FILES+=usr/tests/sys/vm/stack/.debug/libsoxstack.so.debug
 OLD_DIRS+=usr/tests/sys/vm/stack/.debug
 
 # 20250129: libdevinfo bumped to version 7
 OLD_LIBS+=usr/lib/libdevinfo.so.6
 
 # 20250123: Remove gvinum(8)
 OLD_FILES+=sbin/gvinum
 OLD_FILES+=usr/share/man/man8/gvinum.8.gz
 
 # 20250122: Remove publickey(5) stuff
 OLD_FILES+=usr/bin/chkey
 OLD_FILES+=usr/bin/keylogin
 OLD_FILES+=usr/bin/keylogout
 OLD_FILES+=usr/sbin/keyserv
 OLD_FILES+=usr/bin/newkey
 OLD_FILES+=usr/share/man/man1/chkey.1.gz
 OLD_FILES+=usr/share/man/man1/keylogin.1.gz
 OLD_FILES+=usr/share/man/man1/keylogout.1.gz
 OLD_FILES+=usr/share/man/man5/publickey.5.gz
 OLD_FILES+=usr/share/man/man8/keyserv.1.gz
 OLD_FILES+=etc/rc.d/keyserv
 
 # 20241206: Remove Altera DE4 drivers
 OLD_FILES+=usr/share/man/man4/altera_atse.4.gz
 OLD_FILES+=usr/share/man/man4/altera_avgen.4.gz
 OLD_FILES+=usr/share/man/man4/altera_jtag_uart.4.gz
 OLD_FILES+=usr/share/man/man4/altera_sdcard.4.gz
 OLD_FILES+=usr/share/man/man4/altera_sdcardc.4.gz
 OLD_FILES+=usr/share/man/man4/atse.4.gz
 
 # 20241124: library and tests of OpenBSD dc
 OLD_FILES+=usr/share/misc/bc.library
 OLD_FILES+=usr/tests/usr.bin/dc/Kyuafile
 OLD_FILES+=usr/tests/usr.bin/dc/bcode
 OLD_FILES+=usr/tests/usr.bin/dc/inout
 OLD_DIRS+=usr/tests/usr.bin/dc
 
 # 20241119: rewrite mv tests
 OLD_FILES+=usr/tests/bin/mv/legacy_test
 
 # 20241112: Retire MK_PROFILE support
 OLD_FILES+=usr/lib/lib80211_p.a
 OLD_FILES+=usr/lib/lib9p_p.a
 OLD_FILES+=usr/lib/libBlocksRuntime_p.a
 OLD_FILES+=usr/lib/libalias_dummy_p.a
 OLD_FILES+=usr/lib/libalias_ftp_p.a
 OLD_FILES+=usr/lib/libalias_irc_p.a
 OLD_FILES+=usr/lib/libalias_nbt_p.a
 OLD_FILES+=usr/lib/libalias_p.a
 OLD_FILES+=usr/lib/libalias_pptp_p.a
 OLD_FILES+=usr/lib/libalias_skinny_p.a
 OLD_FILES+=usr/lib/libalias_smedia_p.a
 OLD_FILES+=usr/lib/libarchive_p.a
 OLD_FILES+=usr/lib/libasn1_p.a
 OLD_FILES+=usr/lib/libavl_p.a
 OLD_FILES+=usr/lib/libbe_p.a
 OLD_FILES+=usr/lib/libbegemot_p.a
 OLD_FILES+=usr/lib/libblacklist_p.a
 OLD_FILES+=usr/lib/libbluetooth_p.a
 OLD_FILES+=usr/lib/libbsdxml_p.a
 OLD_FILES+=usr/lib/libbsm_p.a
 OLD_FILES+=usr/lib/libbsnmp_p.a
 OLD_FILES+=usr/lib/libbz2_p.a
 OLD_FILES+=usr/lib/libc++_p.a
 OLD_FILES+=usr/lib/libc_p.a
 OLD_FILES+=usr/lib/libcalendar_p.a
 OLD_FILES+=usr/lib/libcam_p.a
 OLD_FILES+=usr/lib/libcom_err_p.a
 OLD_FILES+=usr/lib/libcompat_p.a
 OLD_FILES+=usr/lib/libcompiler_rt_p.a
 OLD_FILES+=usr/lib/libcrypt_p.a
 OLD_FILES+=usr/lib/libcrypto_p.a
 OLD_FILES+=usr/lib/libctf_p.a
 OLD_FILES+=usr/lib/libcurses_p.a
 OLD_FILES+=usr/lib/libcursesw_p.a
 OLD_FILES+=usr/lib/libcuse_p.a
 OLD_FILES+=usr/lib/libcxxrt_p.a
 OLD_FILES+=usr/lib/libdevctl_p.a
 OLD_FILES+=usr/lib/libdevinfo_p.a
 OLD_FILES+=usr/lib/libdevstat_p.a
 OLD_FILES+=usr/lib/libdialog_p.a
 OLD_FILES+=usr/lib/libdl_p.a
 OLD_FILES+=usr/lib/libdpv_p.a
 OLD_FILES+=usr/lib/libdtrace_p.a
 OLD_FILES+=usr/lib/libdwarf_p.a
 OLD_FILES+=usr/lib/libedit_p.a
 OLD_FILES+=usr/lib/libefivar_p.a
 OLD_FILES+=usr/lib/libelf_p.a
 OLD_FILES+=usr/lib/libexecinfo_p.a
 OLD_FILES+=usr/lib/libfetch_p.a
 OLD_FILES+=usr/lib/libfigpar_p.a
 OLD_FILES+=usr/lib/libfl_p.a
 OLD_FILES+=usr/lib/libform_p.a
 OLD_FILES+=usr/lib/libformw_p.a
 OLD_FILES+=usr/lib/libgcc_eh_p.a
 OLD_FILES+=usr/lib/libgcc_p.a
 OLD_FILES+=usr/lib/libgeom_p.a
 OLD_FILES+=usr/lib/libgpio_p.a
 OLD_FILES+=usr/lib/libgssapi_krb5_p.a
 OLD_FILES+=usr/lib/libgssapi_ntlm_p.a
 OLD_FILES+=usr/lib/libgssapi_p.a
 OLD_FILES+=usr/lib/libgssapi_spnego_p.a
 OLD_FILES+=usr/lib/libhdb_p.a
 OLD_FILES+=usr/lib/libheimbase_p.a
 OLD_FILES+=usr/lib/libheimntlm_p.a
 OLD_FILES+=usr/lib/libheimsqlite_p.a
 OLD_FILES+=usr/lib/libhistory_p.a
 OLD_FILES+=usr/lib/libhx509_p.a
 OLD_FILES+=usr/lib/libicp_p.a
 OLD_FILES+=usr/lib/libicp_rescue_p.a
 OLD_FILES+=usr/lib/libipsec_p.a
 OLD_FILES+=usr/lib/libipt_p.a
 OLD_FILES+=usr/lib/libjail_p.a
 OLD_FILES+=usr/lib/libkadm5clnt_p.a
 OLD_FILES+=usr/lib/libkadm5srv_p.a
 OLD_FILES+=usr/lib/libkafs5_p.a
 OLD_FILES+=usr/lib/libkdc_p.a
 OLD_FILES+=usr/lib/libkiconv_p.a
 OLD_FILES+=usr/lib/libkrb5_p.a
 OLD_FILES+=usr/lib/libkvm_p.a
 OLD_FILES+=usr/lib/libl_p.a
 OLD_FILES+=usr/lib/libln_p.a
 OLD_FILES+=usr/lib/liblzma_p.a
 OLD_FILES+=usr/lib/libm_p.a
 OLD_FILES+=usr/lib/libmagic_p.a
 OLD_FILES+=usr/lib/libmd_p.a
 OLD_FILES+=usr/lib/libmemstat_p.a
 OLD_FILES+=usr/lib/libmenu_p.a
 OLD_FILES+=usr/lib/libmenuw_p.a
 OLD_FILES+=usr/lib/libmilter_p.a
 OLD_FILES+=usr/lib/libmp_p.a
 OLD_FILES+=usr/lib/libmt_p.a
 OLD_FILES+=usr/lib/libncurses_p.a
 OLD_FILES+=usr/lib/libncursesw_p.a
 OLD_FILES+=usr/lib/libnetgraph_p.a
 OLD_FILES+=usr/lib/libnetmap_p.a
 OLD_FILES+=usr/lib/libnss_tacplus_p.a
 OLD_FILES+=usr/lib/libnv_p.a
 OLD_FILES+=usr/lib/libnvpair_p.a
 OLD_FILES+=usr/lib/libopencsd_p.a
 OLD_FILES+=usr/lib/libpanel_p.a
 OLD_FILES+=usr/lib/libpanelw_p.a
 OLD_FILES+=usr/lib/libpathconv_p.a
 OLD_FILES+=usr/lib/libpcap_p.a
 OLD_FILES+=usr/lib/libpjdlog_p.a
 OLD_FILES+=usr/lib/libpmc_p.a
 OLD_FILES+=usr/lib/libprivateatf-c++_p.a
 OLD_FILES+=usr/lib/libprivateatf-c_p.a
 OLD_FILES+=usr/lib/libprivateauditd_p.a
 OLD_FILES+=usr/lib/libprivatebsdstat_p.a
 OLD_FILES+=usr/lib/libprivatecbor_p.a
 OLD_FILES+=usr/lib/libprivatedevdctl_p.a
 OLD_FILES+=usr/lib/libprivateevent1_p.a
 OLD_FILES+=usr/lib/libprivatefido2_p.a
 OLD_FILES+=usr/lib/libprivategmock_main_p.a
 OLD_FILES+=usr/lib/libprivategmock_p.a
 OLD_FILES+=usr/lib/libprivategtest_main_p.a
 OLD_FILES+=usr/lib/libprivategtest_p.a
 OLD_FILES+=usr/lib/libprivateheimipcc_p.a
 OLD_FILES+=usr/lib/libprivateheimipcs_p.a
 OLD_FILES+=usr/lib/libprivateldns_p.a
 OLD_FILES+=usr/lib/libprivatesqlite3_p.a
 OLD_FILES+=usr/lib/libprivatessh_p.a
 OLD_FILES+=usr/lib/libprivateucl_p.a
 OLD_FILES+=usr/lib/libprivateunbound_p.a
 OLD_FILES+=usr/lib/libprivatezstd_p.a
 OLD_FILES+=usr/lib/libproc_p.a
 OLD_FILES+=usr/lib/libprocstat_p.a
 OLD_FILES+=usr/lib/libpthread_p.a
 OLD_FILES+=usr/lib/libradius_p.a
 OLD_FILES+=usr/lib/libregex_p.a
 OLD_FILES+=usr/lib/libroken_p.a
 OLD_FILES+=usr/lib/librpcsvc_p.a
 OLD_FILES+=usr/lib/librss_p.a
 OLD_FILES+=usr/lib/librt_p.a
 OLD_FILES+=usr/lib/librtld_db_p.a
 OLD_FILES+=usr/lib/libsbuf_p.a
 OLD_FILES+=usr/lib/libsdp_p.a
 OLD_FILES+=usr/lib/libsmb_p.a
 OLD_FILES+=usr/lib/libspl_p.a
 OLD_FILES+=usr/lib/libssl_p.a
 OLD_FILES+=usr/lib/libstats_p.a
 OLD_FILES+=usr/lib/libstdbuf_p.a
 OLD_FILES+=usr/lib/libstdthreads_p.a
 OLD_FILES+=usr/lib/libsysdecode_p.a
 OLD_FILES+=usr/lib/libtacplus_p.a
 OLD_FILES+=usr/lib/libtermcap_p.a
 OLD_FILES+=usr/lib/libtermcapw_p.a
 OLD_FILES+=usr/lib/libtermlib_p.a
 OLD_FILES+=usr/lib/libtermlibw_p.a
 OLD_FILES+=usr/lib/libthr_p.a
 OLD_FILES+=usr/lib/libthread_db_p.a
 OLD_FILES+=usr/lib/libtinfo_p.a
 OLD_FILES+=usr/lib/libtinfow_p.a
 OLD_FILES+=usr/lib/libtpool_p.a
 OLD_FILES+=usr/lib/libufs_p.a
 OLD_FILES+=usr/lib/libugidfw_p.a
 OLD_FILES+=usr/lib/libulog_p.a
 OLD_FILES+=usr/lib/libumem_p.a
 OLD_FILES+=usr/lib/libusb_p.a
 OLD_FILES+=usr/lib/libusbhid_p.a
 OLD_FILES+=usr/lib/libutempter_p.a
 OLD_FILES+=usr/lib/libutil_p.a
 OLD_FILES+=usr/lib/libuutil_p.a
 OLD_FILES+=usr/lib/libvgl_p.a
 OLD_FILES+=usr/lib/libvmmapi_p.a
 OLD_FILES+=usr/lib/libwind_p.a
 OLD_FILES+=usr/lib/libwrap_p.a
 OLD_FILES+=usr/lib/libxo_p.a
 OLD_FILES+=usr/lib/liby_p.a
 OLD_FILES+=usr/lib/libypclnt_p.a
 OLD_FILES+=usr/lib/libz_p.a
 OLD_FILES+=usr/lib/libzfs_core_p.a
 OLD_FILES+=usr/lib/libzfs_p.a
 OLD_FILES+=usr/lib/libzfsbootenv_p.a
 OLD_FILES+=usr/lib/libzutil_p.a
 
 # 20241112: move p9fs from section 5 to section 4
 OLD_FILES+=usr/share/man/man5/p9fs.5.gz
 
 # 20241104: remove the outdated c2x.7 symlink in favor of c23.7
 OLD_FILES+=usr/share/man/man7/c2x.7.gz
 
 # 20241023: new clang import which bumps version from 18 to 19
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_cuda_texture_intrinsics.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/18/include/__clang_hip_stdlib.h
 OLD_FILES+=usr/lib/clang/18/include/__stdarg___gnuc_va_list.h
 OLD_FILES+=usr/lib/clang/18/include/__stdarg___va_copy.h
 OLD_FILES+=usr/lib/clang/18/include/__stdarg_va_arg.h
 OLD_FILES+=usr/lib/clang/18/include/__stdarg_va_copy.h
 OLD_FILES+=usr/lib/clang/18/include/__stdarg_va_list.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_null.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_nullptr_t.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_offsetof.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_ptrdiff_t.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_rsize_t.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_size_t.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_unreachable.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_wchar_t.h
 OLD_FILES+=usr/lib/clang/18/include/__stddef_wint_t.h
 OLD_FILES+=usr/lib/clang/18/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/18/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/18/include/adcintrin.h
 OLD_FILES+=usr/lib/clang/18/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/18/include/altivec.h
 OLD_FILES+=usr/lib/clang/18/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/18/include/amxcomplexintrin.h
 OLD_FILES+=usr/lib/clang/18/include/amxfp16intrin.h
 OLD_FILES+=usr/lib/clang/18/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/18/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/18/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/18/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/18/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/18/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/18/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/18/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/18/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/18/include/arm_neon_sve_bridge.h
 OLD_FILES+=usr/lib/clang/18/include/arm_sme_draft_spec_subject_to_change.h
 OLD_FILES+=usr/lib/clang/18/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/18/include/arm_vector_types.h
 OLD_FILES+=usr/lib/clang/18/include/armintr.h
 OLD_FILES+=usr/lib/clang/18/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512fp16intrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vlfp16intrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avxifmaintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avxneconvertintrin.h
 OLD_FILES+=usr/lib/clang/18/include/avxvnniint16intrin.h
 OLD_FILES+=usr/lib/clang/18/include/avxvnniint8intrin.h
 OLD_FILES+=usr/lib/clang/18/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/18/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/18/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/18/include/builtins.h
 OLD_FILES+=usr/lib/clang/18/include/cet.h
 OLD_FILES+=usr/lib/clang/18/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/18/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/18/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/18/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/18/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/18/include/cmpccxaddintrin.h
 OLD_FILES+=usr/lib/clang/18/include/cpuid.h
 OLD_FILES+=usr/lib/clang/18/include/crc32intrin.h
 OLD_FILES+=usr/lib/clang/18/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/18/include/cuda_wrappers/bits/basic_string.h
 OLD_FILES+=usr/lib/clang/18/include/cuda_wrappers/bits/basic_string.tcc
 OLD_FILES+=usr/lib/clang/18/include/cuda_wrappers/bits/shared_ptr_base.h
 OLD_DIRS+=usr/lib/clang/18/include/cuda_wrappers/bits
 OLD_FILES+=usr/lib/clang/18/include/cuda_wrappers/cmath
 OLD_FILES+=usr/lib/clang/18/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/18/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/18/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/18/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/18/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/18/include/float.h
 OLD_FILES+=usr/lib/clang/18/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/18/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/18/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/18/include/fuzzer
 OLD_FILES+=usr/lib/clang/18/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/18/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/18/include/hexagon_circ_brev_intrinsics.h
 OLD_FILES+=usr/lib/clang/18/include/hexagon_protos.h
 OLD_FILES+=usr/lib/clang/18/include/hexagon_types.h
 OLD_FILES+=usr/lib/clang/18/include/hlsl/hlsl_basic_types.h
 OLD_FILES+=usr/lib/clang/18/include/hlsl/hlsl_intrinsics.h
 OLD_DIRS+=usr/lib/clang/18/include/hlsl
 OLD_FILES+=usr/lib/clang/18/include/hlsl.h
 OLD_FILES+=usr/lib/clang/18/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/18/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/18/include/hvx_hexagon_protos.h
 OLD_FILES+=usr/lib/clang/18/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/18/include/immintrin.h
 OLD_FILES+=usr/lib/clang/18/include/intrin.h
 OLD_FILES+=usr/lib/clang/18/include/inttypes.h
 OLD_FILES+=usr/lib/clang/18/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/18/include/iso646.h
 OLD_FILES+=usr/lib/clang/18/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/18/include/larchintrin.h
 OLD_FILES+=usr/lib/clang/18/include/lasxintrin.h
 OLD_FILES+=usr/lib/clang/18/include/limits.h
 OLD_FILES+=usr/lib/clang/18/include/lsxintrin.h
 OLD_FILES+=usr/lib/clang/18/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/18/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/18/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/18/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/18/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/module.modulemap
 OLD_FILES+=usr/lib/clang/18/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/18/include/msa.h
 OLD_FILES+=usr/lib/clang/18/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/18/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/18/include/omp.h
 OLD_FILES+=usr/lib/clang/18/include/ompt.h
 OLD_FILES+=usr/lib/clang/18/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/18/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/18/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/18/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/18/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/18/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/18/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/18/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/18/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/18/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/18/include/orc_rt/c_api.h
 OLD_DIRS+=usr/lib/clang/18/include/orc_rt
 OLD_FILES+=usr/lib/clang/18/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/18/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/18/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/bmiintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/immintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/nmmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/x86intrin.h
 OLD_FILES+=usr/lib/clang/18/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/18/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/18/include/prfchiintrin.h
 OLD_FILES+=usr/lib/clang/18/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/18/include/profile/InstrProfData.inc
 OLD_FILES+=usr/lib/clang/18/include/profile/MemProfData.inc
 OLD_DIRS+=usr/lib/clang/18/include/profile
 OLD_FILES+=usr/lib/clang/18/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/18/include/raointintrin.h
 OLD_FILES+=usr/lib/clang/18/include/rdpruintrin.h
 OLD_FILES+=usr/lib/clang/18/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/18/include/riscv_bitmanip.h
 OLD_FILES+=usr/lib/clang/18/include/riscv_crypto.h
 OLD_FILES+=usr/lib/clang/18/include/riscv_ntlh.h
 OLD_FILES+=usr/lib/clang/18/include/riscv_vector.h
 OLD_FILES+=usr/lib/clang/18/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/memprof_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/18/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/18/include/sanitizer
 OLD_FILES+=usr/lib/clang/18/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/18/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/18/include/sha512intrin.h
 OLD_FILES+=usr/lib/clang/18/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/18/include/sifive_vector.h
 OLD_FILES+=usr/lib/clang/18/include/sm3intrin.h
 OLD_FILES+=usr/lib/clang/18/include/sm4intrin.h
 OLD_FILES+=usr/lib/clang/18/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/stdalign.h
 OLD_FILES+=usr/lib/clang/18/include/stdarg.h
 OLD_FILES+=usr/lib/clang/18/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/18/include/stdbool.h
 OLD_FILES+=usr/lib/clang/18/include/stdckdint.h
 OLD_FILES+=usr/lib/clang/18/include/stddef.h
 OLD_FILES+=usr/lib/clang/18/include/stdint.h
 OLD_FILES+=usr/lib/clang/18/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/18/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/tgmath.h
 OLD_FILES+=usr/lib/clang/18/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/18/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/18/include/unwind.h
 OLD_FILES+=usr/lib/clang/18/include/usermsrintrin.h
 OLD_FILES+=usr/lib/clang/18/include/vadefs.h
 OLD_FILES+=usr/lib/clang/18/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/18/include/varargs.h
 OLD_FILES+=usr/lib/clang/18/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/18/include/velintrin.h
 OLD_FILES+=usr/lib/clang/18/include/velintrin_approx.h
 OLD_FILES+=usr/lib/clang/18/include/velintrin_gen.h
 OLD_FILES+=usr/lib/clang/18/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/18/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/18/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/18/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/18/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/18/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/18/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/18/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/18/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/18/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/18/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/18/include/xray
 OLD_FILES+=usr/lib/clang/18/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/18/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/18/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/18/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/18/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/18/include
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-powerpc64.so
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-powerpc64le.so
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-preinit-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-preinit-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-preinit-riscv64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-riscv64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-riscv64.so
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_static-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_static-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_static-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_static-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.asan_static-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.fuzzer_interceptors-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.fuzzer_interceptors-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.msan-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.msan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.msan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.msan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.profile-riscv64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats-riscv64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats_client-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats_client-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats_client-riscv64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.tsan-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.tsan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.tsan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.tsan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_minimal-riscv64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone-riscv64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-basic-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-fdr-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-profiling-powerpc64le.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/18/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/18/lib/freebsd
 OLD_DIRS+=usr/lib/clang/18/lib
 OLD_FILES+=usr/lib/clang/18/share/asan_ignorelist.txt
 OLD_FILES+=usr/lib/clang/18/share/cfi_ignorelist.txt
 OLD_FILES+=usr/lib/clang/18/share/msan_ignorelist.txt
 OLD_DIRS+=usr/lib/clang/18/share
 OLD_DIRS+=usr/lib/clang/18
 
 # 20241023: new libc++ import which bumps version from 18 to 19
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_any_all_none_of.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backend.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backend.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/any_of.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/backend.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/fill.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/find_if.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/for_each.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/libdispatch.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/merge.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/serial.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/stable_sort.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/thread.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/transform.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends/transform_reduce.h
 OLD_DIRS+=usr/include/c++/v1/__algorithm/pstl_backends/cpu_backends
 OLD_DIRS+=usr/include/c++/v1/__algorithm/pstl_backends
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_copy.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_count.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_equal.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_fill.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_find.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_for_each.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_frontend_dispatch.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_generate.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_is_partitioned.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_merge.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_move.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_replace.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_rotate_copy.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_sort.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_stable_sort.h
 OLD_FILES+=usr/include/c++/v1/__algorithm/pstl_transform.h
 OLD_FILES+=usr/include/c++/v1/__availability
 OLD_FILES+=usr/include/c++/v1/__format/format_fwd.h
 OLD_FILES+=usr/include/c++/v1/__fwd/get.h
 OLD_FILES+=usr/include/c++/v1/__fwd/hash.h
 OLD_FILES+=usr/include/c++/v1/__numeric/pstl_reduce.h
 OLD_FILES+=usr/include/c++/v1/__numeric/pstl_transform_reduce.h
 OLD_FILES+=usr/include/c++/v1/__threading_support
 OLD_FILES+=usr/include/c++/v1/__tuple/pair_like.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/apply_cv.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_copy_assignable.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_copy_constructible.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_default_constructible.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_move_assignable.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_move_constructible.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_nothrow_copy_assignable.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_nothrow_copy_constructible.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_nothrow_default_constructible.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_nothrow_move_assignable.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_nothrow_move_constructible.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_trivially_copy_assignable.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_trivially_copy_constructible.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_trivially_default_constructible.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_trivially_move_assignable.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/is_trivially_move_constructible.h
 OLD_FILES+=usr/include/c++/v1/__type_traits/operation_traits.h
 OLD_FILES+=usr/include/c++/v1/experimental/__memory
 
 # 20241014: move divapp to netpfil/common/
 OLD_FILES+=usr/tests/sys/netpfil/pf/divapp
 
 # 20240930: libmd bumped to version 7
 OLD_LIBS+=lib/libmd.so.6
 
 # 20240827: retire fips.so
 OLD_LIBS+=usr/lib/ossl-modules/fips.so
 
 # 20240824: sound examples: midi.c moved out of oss/
 OLD_FILES+=usr/share/examples/sound/oss/midi.c
 
 # 20240824: sound examples: Remove ossinit.h and rename basic.c to audio.c
 OLD_FILES+=usr/share/examples/sound/oss/ossinit.h
 OLD_FILES+=usr/share/examples/sound/oss/basic.c
 
 # 20240824: sound examples: Remove ossmidi.h
 OLD_FILES+=usr/share/examples/sound/oss/ossmidi.h
 
 # 20240729: rename quick_exit_test to libc_exit_test
 OLD_FILES+=usr/tests/lib/libc/stdlib/quick_exit_test
 
 # 20240729: retire ifaddr_byindex
 OLD_FILES+=usr/share/man/man9/ifaddr_byindex.9.gz
 
 # 20240729: remove MD5(9)
 OLD_FILES+=usr/share/man/man9/MD5.9.gz
 OLD_FILES+=usr/share/man/man9/MD5Init.9.gz
 OLD_FILES+=usr/share/man/man9/MD5Transform.9.gz
 
 # 20240726: deprecate contigfree(9)
 OLD_FILES+=usr/share/man/man9/contigfree.9.gz
 
 # 20240721: retire vm_page_alloc_freelist
 OLD_FILES+=usr/share/man/man9/vm_page_alloc_freelist.9.gz
 OLD_FILES+=usr/share/man/man9/vm_page_alloc_freelist_domain.9.gz
 
 # 20240716: retire mergemaster
 OLD_FILES+=usr/sbin/mergemaster
 OLD_FILES+=usr/share/man/man8/mergemaster.8.gz
 
 # 20240527: csh: Remove hardlink /.cshrc
 OLD_FILES+=.cshrc
 
 # 20240511: move file system driver manuals to section four
 OLD_FILES+=usr/share/man/man5/autofs.5.gz
 OLD_FILES+=usr/share/man/man5/cd9660.5.gz
 OLD_FILES+=usr/share/man/man5/devfs.5.gz
 OLD_FILES+=usr/share/man/man5/ext2fs.5.gz
 OLD_FILES+=usr/share/man/man5/ext4fs.5.gz
 OLD_FILES+=usr/share/man/man5/fdescfs.5.gz
 OLD_FILES+=usr/share/man/man5/fusefs.5.gz
 OLD_FILES+=usr/share/man/man5/lindebugfs.5.gz
 OLD_FILES+=usr/share/man/man5/linprocfs.5.gz
 OLD_FILES+=usr/share/man/man5/linsysfs.5.gz
 OLD_FILES+=usr/share/man/man5/mqueuefs.5.gz
 OLD_FILES+=usr/share/man/man5/msdosfs.5.gz
 OLD_FILES+=usr/share/man/man5/msdos.5.gz
 OLD_FILES+=usr/share/man/man5/nullfs.5.gz
 OLD_FILES+=usr/share/man/man5/procfs.5.gz
 OLD_FILES+=usr/share/man/man5/smbfs.5.gz
 OLD_FILES+=usr/share/man/man5/tarfs.5.gz
 OLD_FILES+=usr/share/man/man5/tmpfs.5.gz
 OLD_FILES+=usr/share/man/man5/unionfs.5.gz
 OLD_FILES+=usr/share/man/man7/ffs.7.gz
 
 # 20240508: Remove remnants of portsnap(8)
 OLD_DIRS+=var/db/portsnap
 
 # 20240507: remove gbde
 OLD_FILES+=boot/kernel/geom_bde.ko
 OLD_FILES+=etc/rc.d/gbde
 OLD_FILES+=rescue/gbde
 OLD_FILES+=sbin/gbde
 OLD_FILES+=usr/share/man/man4/gbde.4.gz
 OLD_FILES+=usr/share/man/man8/gbde.8.gz
 
 # 20240422: remove improperly installed libcxxrt.so.1
 MOVED_LIBS+=usr/lib/libcxxrt.so.1
 
 # 20240414: unix_socketpair_test renamed
 OLD_FILES+=usr/tests/sys/kern/unix_socketpair_test
 
 # 20240406: new clang import which bumps version from 17 to 18
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_cuda_texture_intrinsics.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/17/include/__clang_hip_stdlib.h
 OLD_FILES+=usr/lib/clang/17/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/17/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/17/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/17/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/17/include/altivec.h
 OLD_FILES+=usr/lib/clang/17/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/17/include/amxcomplexintrin.h
 OLD_FILES+=usr/lib/clang/17/include/amxfp16intrin.h
 OLD_FILES+=usr/lib/clang/17/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/17/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/17/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/17/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/17/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/17/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/17/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/17/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/17/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/17/include/arm_neon_sve_bridge.h
 OLD_FILES+=usr/lib/clang/17/include/arm_sme_draft_spec_subject_to_change.h
 OLD_FILES+=usr/lib/clang/17/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/17/include/armintr.h
 OLD_FILES+=usr/lib/clang/17/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512fp16intrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vlfp16intrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avxifmaintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avxneconvertintrin.h
 OLD_FILES+=usr/lib/clang/17/include/avxvnniint16intrin.h
 OLD_FILES+=usr/lib/clang/17/include/avxvnniint8intrin.h
 OLD_FILES+=usr/lib/clang/17/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/17/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/17/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/17/include/builtins.h
 OLD_FILES+=usr/lib/clang/17/include/cet.h
 OLD_FILES+=usr/lib/clang/17/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/17/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/17/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/17/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/17/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/17/include/cmpccxaddintrin.h
 OLD_FILES+=usr/lib/clang/17/include/cpuid.h
 OLD_FILES+=usr/lib/clang/17/include/crc32intrin.h
 OLD_FILES+=usr/lib/clang/17/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/17/include/cuda_wrappers/bits/basic_string.h
 OLD_FILES+=usr/lib/clang/17/include/cuda_wrappers/bits/basic_string.tcc
 OLD_FILES+=usr/lib/clang/17/include/cuda_wrappers/bits/shared_ptr_base.h
 OLD_DIRS+=usr/lib/clang/17/include/cuda_wrappers/bits
 OLD_FILES+=usr/lib/clang/17/include/cuda_wrappers/cmath
 OLD_FILES+=usr/lib/clang/17/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/17/include/cuda_wrappers/new
 OLD_FILES+=usr/lib/clang/17/include/cuda_wrappers/shared_ptr_base.h
 OLD_DIRS+=usr/lib/clang/17/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/17/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/17/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/17/include/float.h
 OLD_FILES+=usr/lib/clang/17/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/17/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/17/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/17/include/fuzzer
 OLD_FILES+=usr/lib/clang/17/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/17/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/17/include/hexagon_circ_brev_intrinsics.h
 OLD_FILES+=usr/lib/clang/17/include/hexagon_protos.h
 OLD_FILES+=usr/lib/clang/17/include/hexagon_types.h
 OLD_FILES+=usr/lib/clang/17/include/hlsl/hlsl_basic_types.h
 OLD_FILES+=usr/lib/clang/17/include/hlsl/hlsl_intrinsics.h
 OLD_DIRS+=usr/lib/clang/17/include/hlsl
 OLD_FILES+=usr/lib/clang/17/include/hlsl.h
 OLD_FILES+=usr/lib/clang/17/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/17/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/17/include/hvx_hexagon_protos.h
 OLD_FILES+=usr/lib/clang/17/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/17/include/immintrin.h
 OLD_FILES+=usr/lib/clang/17/include/intrin.h
 OLD_FILES+=usr/lib/clang/17/include/inttypes.h
 OLD_FILES+=usr/lib/clang/17/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/17/include/iso646.h
 OLD_FILES+=usr/lib/clang/17/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/17/include/larchintrin.h
 OLD_FILES+=usr/lib/clang/17/include/limits.h
 OLD_FILES+=usr/lib/clang/17/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/17/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/17/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/17/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/17/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/module.modulemap
 OLD_FILES+=usr/lib/clang/17/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/17/include/msa.h
 OLD_FILES+=usr/lib/clang/17/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/17/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/17/include/omp.h
 OLD_FILES+=usr/lib/clang/17/include/ompt.h
 OLD_FILES+=usr/lib/clang/17/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/17/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/17/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/17/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/17/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/17/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/17/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/17/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/17/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/17/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/17/include/orc_rt/c_api.h
 OLD_DIRS+=usr/lib/clang/17/include/orc_rt
 OLD_FILES+=usr/lib/clang/17/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/17/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/17/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/bmiintrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/immintrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/x86intrin.h
 OLD_FILES+=usr/lib/clang/17/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/17/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/17/include/prfchiintrin.h
 OLD_FILES+=usr/lib/clang/17/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/17/include/profile/InstrProfData.inc
 OLD_FILES+=usr/lib/clang/17/include/profile/MemProfData.inc
 OLD_DIRS+=usr/lib/clang/17/include/profile
 OLD_FILES+=usr/lib/clang/17/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/17/include/raointintrin.h
 OLD_FILES+=usr/lib/clang/17/include/rdpruintrin.h
 OLD_FILES+=usr/lib/clang/17/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/17/include/riscv_ntlh.h
 OLD_FILES+=usr/lib/clang/17/include/riscv_vector.h
 OLD_FILES+=usr/lib/clang/17/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/memprof_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/17/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/17/include/sanitizer
 OLD_FILES+=usr/lib/clang/17/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/17/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/17/include/sha512intrin.h
 OLD_FILES+=usr/lib/clang/17/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/17/include/sifive_vector.h
 OLD_FILES+=usr/lib/clang/17/include/sm3intrin.h
 OLD_FILES+=usr/lib/clang/17/include/sm4intrin.h
 OLD_FILES+=usr/lib/clang/17/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/stdalign.h
 OLD_FILES+=usr/lib/clang/17/include/stdarg.h
 OLD_FILES+=usr/lib/clang/17/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/17/include/stdbool.h
 OLD_FILES+=usr/lib/clang/17/include/stddef.h
 OLD_FILES+=usr/lib/clang/17/include/stdint.h
 OLD_FILES+=usr/lib/clang/17/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/17/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/tgmath.h
 OLD_FILES+=usr/lib/clang/17/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/17/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/17/include/unwind.h
 OLD_FILES+=usr/lib/clang/17/include/vadefs.h
 OLD_FILES+=usr/lib/clang/17/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/17/include/varargs.h
 OLD_FILES+=usr/lib/clang/17/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/17/include/velintrin.h
 OLD_FILES+=usr/lib/clang/17/include/velintrin_approx.h
 OLD_FILES+=usr/lib/clang/17/include/velintrin_gen.h
 OLD_FILES+=usr/lib/clang/17/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/17/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/17/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/17/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/17/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/17/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/17/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/17/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/17/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/17/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/17/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/17/include/xray
 OLD_FILES+=usr/lib/clang/17/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/17/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/17/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/17/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/17/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/17/include
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-powerpc64.so
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-powerpc64le.so
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-preinit-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-preinit-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-preinit-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-riscv64.so
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_static-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_static-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_static-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_static-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_static-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.asan_static-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.fuzzer_interceptors-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.fuzzer_interceptors-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.msan-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.msan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.msan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.msan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.profile-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats_client-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats_client-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats_client-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.tsan-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.tsan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.tsan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.tsan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_minimal-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-basic-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-fdr-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-profiling-powerpc64le.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/17/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/17/lib/freebsd
 OLD_DIRS+=usr/lib/clang/17/lib
 OLD_FILES+=usr/lib/clang/17/share/asan_ignorelist.txt
 OLD_FILES+=usr/lib/clang/17/share/cfi_ignorelist.txt
 OLD_FILES+=usr/lib/clang/17/share/msan_ignorelist.txt
 OLD_DIRS+=usr/lib/clang/17/share
 OLD_DIRS+=usr/lib/clang/17
 
 # 20240406: new libc++ import which bumps version from 17 to 18
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/algorithm_fwd.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/algorithm_impl.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/execution_defs.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/execution_impl.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/glue_algorithm_defs.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/glue_algorithm_impl.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/glue_memory_defs.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/glue_memory_impl.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/glue_numeric_defs.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/glue_numeric_impl.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/memory_impl.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/numeric_fwd.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/numeric_impl.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/parallel_for.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/parallel_for_each.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/parallel_invoke.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/parallel_merge.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/parallel_scan.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/parallel_stable_partial_sort.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/parallel_stable_sort.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/parallel_transform_reduce.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/parallel_transform_scan.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/omp/util.h
 OLD_DIRS+=usr/include/c++/v1/__pstl/internal/omp
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/parallel_backend.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/parallel_backend_omp.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/parallel_backend_serial.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/parallel_backend_tbb.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/parallel_backend_utils.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/unseq_backend_simd.h
 OLD_FILES+=usr/include/c++/v1/__pstl/internal/utils.h
 OLD_DIRS+=usr/include/c++/v1/__pstl/internal
 OLD_FILES+=usr/include/c++/v1/__pstl_algorithm
 OLD_FILES+=usr/include/c++/v1/__pstl_memory
 OLD_FILES+=usr/include/c++/v1/__pstl_numeric
 OLD_FILES+=usr/include/c++/v1/__type_traits/predicate_traits.h
 OLD_FILES+=usr/include/c++/v1/__utility/terminate_on_exception.h
 OLD_FILES+=usr/include/c++/v1/experimental/deque
 OLD_FILES+=usr/include/c++/v1/experimental/forward_list
 OLD_FILES+=usr/include/c++/v1/experimental/list
 OLD_FILES+=usr/include/c++/v1/experimental/map
 OLD_FILES+=usr/include/c++/v1/experimental/memory_resource
 OLD_FILES+=usr/include/c++/v1/experimental/regex
 OLD_FILES+=usr/include/c++/v1/experimental/set
 OLD_FILES+=usr/include/c++/v1/experimental/string
 OLD_FILES+=usr/include/c++/v1/experimental/unordered_map
 OLD_FILES+=usr/include/c++/v1/experimental/unordered_set
 OLD_FILES+=usr/include/c++/v1/experimental/vector
 OLD_FILES+=usr/include/c++/v1/limits.h
 OLD_FILES+=usr/include/c++/v1/setjmp.h
 
 # 20240321: remove empty /usr/libdata/gcc directory
 OLD_DIRS+=usr/libdata/gcc
 
 # 20240315: stop installing CAM.4 link to scsi.4
 OLD_FILES+=usr/share/man/man4/CAM.4.gz
 
 # 20240307: Improperly installed awk tests removed
 OLD_FILES+=usr/tests/usr.bin/awk/bugs-fixed/missing-precision.ok
 OLD_FILES+=usr/tests/usr.bin/awk/bugs-fixed/negative-nf.ok
 OLD_FILES+=usr/tests/usr.bin/awk/bugs-fixed/pfile-overflow.ok
 OLD_FILES+=usr/tests/usr.bin/awk/bugs-fixed/system-status.awk
 OLD_FILES+=usr/tests/usr.bin/awk/bugs-fixed/system-status.bad
 OLD_FILES+=usr/tests/usr.bin/awk/bugs-fixed/system-status.ok
 OLD_FILES+=usr/tests/usr.bin/awk/bugs-fixed/system-status.ok2
 
 # 20240211: caroot bundle updated
 OLD_FILES+=usr/share/certs/trusted/Security_Communication_Root_CA.pem
 
 # 20240202: remove obsolete share/examples/IPv6/USAGE
 OLD_FILES+=usr/share/examples/IPv6/USAGE
 OLD_DIRS+=usr/share/examples/IPv6
 
 # 20240122: callout_async_drain() removed
 OLD_FILES+=usr/share/man/man9/callout_async_drain.9.gz
 
 # 20240114: Removal of geom_map(4)
 OLD_FILES+=usr/share/man/man4/geom_map.4.gz
 
 # 20240112: remove pmap_init2()
 OLD_FILES+=usr/share/man/man9/pmap_init2.9.gz
 
 # 20240112: remove pmap_pinit2()
 OLD_FILES+=usr/share/man/man9/pmap_pinit2.9.gz
 
 # 20240112: replaced NetBSD tests for uniq with our own
 OLD_FILES+=usr/tests/usr.bin/uniq/d_basic.in
 OLD_FILES+=usr/tests/usr.bin/uniq/d_basic.out
 OLD_FILES+=usr/tests/usr.bin/uniq/d_counts.out
 OLD_FILES+=usr/tests/usr.bin/uniq/d_input.in
 OLD_FILES+=usr/tests/usr.bin/uniq/d_show_duplicates.out
 OLD_FILES+=usr/tests/usr.bin/uniq/d_show_uniques.out
 
 # 20231208: new clang import which bumps version from 16 to 17
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_cuda_texture_intrinsics.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/16/include/__clang_hip_stdlib.h
 OLD_FILES+=usr/lib/clang/16/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/16/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/16/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/16/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/16/include/altivec.h
 OLD_FILES+=usr/lib/clang/16/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/16/include/amxfp16intrin.h
 OLD_FILES+=usr/lib/clang/16/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/16/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/16/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/16/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/16/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/16/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/16/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/16/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/16/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/16/include/arm_neon_sve_bridge.h
 OLD_FILES+=usr/lib/clang/16/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/16/include/armintr.h
 OLD_FILES+=usr/lib/clang/16/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512fp16intrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vlfp16intrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avxifmaintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avxneconvertintrin.h
 OLD_FILES+=usr/lib/clang/16/include/avxvnniint8intrin.h
 OLD_FILES+=usr/lib/clang/16/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/16/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/16/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/16/include/builtins.h
 OLD_FILES+=usr/lib/clang/16/include/cet.h
 OLD_FILES+=usr/lib/clang/16/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/16/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/16/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/16/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/16/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/16/include/cmpccxaddintrin.h
 OLD_FILES+=usr/lib/clang/16/include/cpuid.h
 OLD_FILES+=usr/lib/clang/16/include/crc32intrin.h
 OLD_FILES+=usr/lib/clang/16/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/16/include/cuda_wrappers/cmath
 OLD_FILES+=usr/lib/clang/16/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/16/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/16/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/16/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/16/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/16/include/float.h
 OLD_FILES+=usr/lib/clang/16/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/16/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/16/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/16/include/fuzzer
 OLD_FILES+=usr/lib/clang/16/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/16/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/16/include/hexagon_circ_brev_intrinsics.h
 OLD_FILES+=usr/lib/clang/16/include/hexagon_protos.h
 OLD_FILES+=usr/lib/clang/16/include/hexagon_types.h
 OLD_FILES+=usr/lib/clang/16/include/hlsl/hlsl_basic_types.h
 OLD_FILES+=usr/lib/clang/16/include/hlsl/hlsl_intrinsics.h
 OLD_DIRS+=usr/lib/clang/16/include/hlsl
 OLD_FILES+=usr/lib/clang/16/include/hlsl.h
 OLD_FILES+=usr/lib/clang/16/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/16/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/16/include/hvx_hexagon_protos.h
 OLD_FILES+=usr/lib/clang/16/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/16/include/immintrin.h
 OLD_FILES+=usr/lib/clang/16/include/intrin.h
 OLD_FILES+=usr/lib/clang/16/include/inttypes.h
 OLD_FILES+=usr/lib/clang/16/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/16/include/iso646.h
 OLD_FILES+=usr/lib/clang/16/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/16/include/larchintrin.h
 OLD_FILES+=usr/lib/clang/16/include/limits.h
 OLD_FILES+=usr/lib/clang/16/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/16/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/16/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/16/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/16/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/module.modulemap
 OLD_FILES+=usr/lib/clang/16/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/16/include/msa.h
 OLD_FILES+=usr/lib/clang/16/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/16/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/16/include/omp.h
 OLD_FILES+=usr/lib/clang/16/include/ompt.h
 OLD_FILES+=usr/lib/clang/16/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/16/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/16/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/16/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/16/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/16/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/16/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/16/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/16/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/16/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/16/include/orc_rt/c_api.h
 OLD_DIRS+=usr/lib/clang/16/include/orc_rt
 OLD_FILES+=usr/lib/clang/16/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/16/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/16/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/bmiintrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/immintrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/x86intrin.h
 OLD_FILES+=usr/lib/clang/16/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/16/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/16/include/prfchiintrin.h
 OLD_FILES+=usr/lib/clang/16/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/16/include/profile/InstrProfData.inc
 OLD_FILES+=usr/lib/clang/16/include/profile/MemProfData.inc
 OLD_DIRS+=usr/lib/clang/16/include/profile
 OLD_FILES+=usr/lib/clang/16/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/16/include/raointintrin.h
 OLD_FILES+=usr/lib/clang/16/include/rdpruintrin.h
 OLD_FILES+=usr/lib/clang/16/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/16/include/riscv_vector.h
 OLD_FILES+=usr/lib/clang/16/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/memprof_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/16/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/16/include/sanitizer
 OLD_FILES+=usr/lib/clang/16/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/16/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/16/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/16/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/stdalign.h
 OLD_FILES+=usr/lib/clang/16/include/stdarg.h
 OLD_FILES+=usr/lib/clang/16/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/16/include/stdbool.h
 OLD_FILES+=usr/lib/clang/16/include/stddef.h
 OLD_FILES+=usr/lib/clang/16/include/stdint.h
 OLD_FILES+=usr/lib/clang/16/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/16/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/tgmath.h
 OLD_FILES+=usr/lib/clang/16/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/16/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/16/include/unwind.h
 OLD_FILES+=usr/lib/clang/16/include/vadefs.h
 OLD_FILES+=usr/lib/clang/16/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/16/include/varargs.h
 OLD_FILES+=usr/lib/clang/16/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/16/include/velintrin.h
 OLD_FILES+=usr/lib/clang/16/include/velintrin_approx.h
 OLD_FILES+=usr/lib/clang/16/include/velintrin_gen.h
 OLD_FILES+=usr/lib/clang/16/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/16/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/16/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/16/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/16/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/16/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/16/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/16/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/16/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/16/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/16/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/16/include/xray
 OLD_FILES+=usr/lib/clang/16/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/16/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/16/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/16/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/16/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/16/include
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-powerpc64.so
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-powerpc64le.so
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-preinit-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-preinit-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-preinit-riscv64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-riscv64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-riscv64.so
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_static-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_static-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_static-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.asan_static-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.fuzzer_interceptors-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.msan-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.msan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.msan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.msan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.profile-riscv64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats-riscv64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats_client-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats_client-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats_client-riscv64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.tsan-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.tsan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.tsan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.tsan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_minimal-riscv64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone-riscv64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-basic-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-fdr-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-profiling-powerpc64le.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/16/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/16/lib/freebsd
 OLD_DIRS+=usr/lib/clang/16/lib
 OLD_FILES+=usr/lib/clang/16/share/asan_ignorelist.txt
 OLD_FILES+=usr/lib/clang/16/share/cfi_ignorelist.txt
 OLD_FILES+=usr/lib/clang/16/share/msan_ignorelist.txt
 OLD_DIRS+=usr/lib/clang/16/share
 OLD_DIRS+=usr/lib/clang/16
 
 # 20231208: new libc++ import which bumps version from 16 to 17
 OLD_FILES+=usr/include/c++/v1/__bsd_locale_defaults.h
 OLD_FILES+=usr/include/c++/v1/__bsd_locale_fallbacks.h
 OLD_FILES+=usr/include/c++/v1/__debug
 OLD_FILES+=usr/include/c++/v1/__errc
 OLD_FILES+=usr/include/c++/v1/__functional/unwrap_ref.h
 OLD_FILES+=usr/include/c++/v1/__mutex_base
 OLD_FILES+=usr/include/c++/v1/__ranges/copyable_box.h
 OLD_FILES+=usr/include/c++/v1/__std_stream
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/apply_cv.h
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/make_tuple_types.h
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/pair_like.h
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/sfinae_helpers.h
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/tuple_element.h
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/tuple_indices.h
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/tuple_like.h
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/tuple_like_ext.h
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/tuple_size.h
 OLD_FILES+=usr/include/c++/v1/__tuple_dir/tuple_types.h
 OLD_DIRS+=usr/include/c++/v1/__tuple_dir
 OLD_FILES+=usr/include/c++/v1/experimental/algorithm
 OLD_FILES+=usr/include/c++/v1/experimental/coroutine
 OLD_FILES+=usr/include/c++/v1/experimental/functional
 
 # 20231117: libufs version bumped to 8
 OLD_LIBS+=lib/libufs.so.7
 
 # 20231018: pmc.k7(3) removed
 OLD_FILES+=usr/share/man/man3/pmc.k7.3.gz
 
 # 20231018: Remove misspelled man page link
 OLD_FILES+=usr/share/man/man3/dbm_dirnfo.3.gz
 
 # 20231006: rename tcp6_v4unmapped_bind_test
 OLD_FILES+=usr/tests/sys/netinet/tcp6_v4unmapped_bind_test
 
 # 20231005: Remove man page link for now gone net80211 function.
 OLD_FILES+=usr/share/man/man9/ieee80211_unref_node.9.gz
 
 # 20231005: bsdconfig remove support for floppy and ftp
 OLD_FILES+=usr/share/bsdconfig/media/floppy.subr
 OLD_FILES+=usr/share/bsdconfig/media/ftp.subr
 
 # 20230927: Man pages renamed to match the actual functions
 OLD_FILES+=usr/share/man/man9/cr_seeothergids.9.gz
 OLD_FILES+=usr/share/man/man9/cr_seeotheruids.9.gz
 
 # 20230925
 OLD_FILES+=usr/share/examples/diskless/ME
 OLD_FILES+=usr/share/examples/diskless/README.BOOTP
 OLD_FILES+=usr/share/examples/diskless/README.TEMPLATING
 OLD_FILES+=usr/share/examples/diskless/clone_root
 
 # 20230905
 OLD_FILES+=usr/share/doc/legal/realtek_rtw88_firmware.LICENCE
 
 # 20230828
 MOVED_LIBS+=usr/lib/librt.so.1
 
 # 20230826:
 OLD_FILES+=usr/share/man/man9/knlist_remove_inevent.9.gz
 
 # 20230825: caroot bundle updated
 OLD_FILES+=usr/share/certs/trusted/E-Tugra_Certification_Authority.pem
 OLD_FILES+=usr/share/certs/trusted/E-Tugra_Global_Root_CA_ECC_v3.pem
 OLD_FILES+=usr/share/certs/trusted/E-Tugra_Global_Root_CA_RSA_v3.pem
 OLD_FILES+=usr/share/certs/trusted/Hongkong_Post_Root_CA_1.pem
 
 # 20230807: GoogleTest 1.14.0 upgrade.
 OLD_FILES+=usr/include/private/gmock/gmock-generated-actions.h
 OLD_FILES+=usr/include/private/gmock/gmock-generated-function-mockers.h
 OLD_FILES+=usr/include/private/gmock/gmock-generated-matchers.h
 OLD_FILES+=usr/include/private/gmock/gmock-generated-nice-strict.h
 OLD_FILES+=usr/include/private/gmock/internal/gmock-generated-internal-utils.h
 OLD_FILES+=usr/include/private/gtest/internal/gtest-linked_ptr.h
 OLD_FILES+=usr/include/private/gtest/internal/gtest-param-util-generated.h
 OLD_FILES+=usr/include/private/gtest/internal/gtest-tuple.h
 OLD_FILES+=usr/tests/lib/googletest/gmock_main/gmock-generated-actions_test
 OLD_FILES+=usr/tests/lib/googletest/gmock_main/gmock-generated-function-mockers_test
 OLD_FILES+=usr/tests/lib/googletest/gmock_main/gmock-generated-internal-utils_test
 OLD_FILES+=usr/tests/lib/googletest/gmock_main/gmock-generated-matchers_test
 OLD_FILES+=usr/tests/lib/googletest/gmock_main/gmock-matchers_test
 OLD_FILES+=usr/tests/lib/googletest/gtest_main/googletest-linked-ptr-test
 
 # 20230807: Removal of the ath(4) AHB bus-frontend for MIPS
 OLD_FILES+=usr/share/man/man4/ath_ahb.4.gz
 OLD_FILES+=usr/share/man/man4/ath_pci.4.gz
 OLD_FILES+=usr/share/man/man4/if_ath_pci.4.gz
 
 # 20230803: Removal of support for cloning pseudo interfaces from iflib(9)
 OLD_FILES+=usr/include/net/iflib_private.h
 
 # 20230802: Remove a copy of libdtrace.so installed to the wrong path
 MOVED_LIBS+=usr/lib/libdtrace.so.2
 
 # 20230726: Removal of support for the VTOC8 partitioning scheme
 OLD_FILES+=usr/include/sys/disk/vtoc.h
 OLD_FILES+=usr/include/sys/vtoc.h
 
 # 20230724: Remove unneeded arm headers
 .if ${TARGET_ARCH} == "arm"
 OLD_FILES+=usr/include/machine/atomic-v6.h
 OLD_FILES+=usr/include/machine/cpu-v6.h
 OLD_FILES+=usr/include/machine/pmap-v6.h
 OLD_FILES+=usr/include/machine/pte-v6.h
 OLD_FILES+=usr/include/machine/swi.h
 .endif
 
 # 20230714: gsignal
 OLD_FILES+=usr/share/man/man9/gsignal.9.gz
 
 # 20230704: kinst dtrace tests moved to common
 OLD_DIRS+=usr/tests/cddl/usr.sbin/dtrace/amd64/kinst
 
 # 20230626: Only install sys/dev/nvme/nvme.h to /usr/include
 OLD_FILES+=usr/include/dev/nvme/nvme_private.h
 
 # 20230623: OpenSSL 3.0.9
 OLD_LIBS+=lib/libcrypto.so.111
 OLD_FILES+=usr/include/openssl/rand_drbg.h
 OLD_LIBS+=usr/lib/engines/capi.so
 OLD_LIBS+=usr/lib/engines/padlock.so
 OLD_LIBS+=usr/lib/libssl.so.111
 OLD_DIRS+=usr/lib/engines
 .for libcompat in ${_ALL_libcompats}
 OLD_DIRS+=usr/lib${libcompat}/engines
 .endfor
 OLD_FILES+=usr/share/man/man1/list.1
 OLD_FILES+=usr/share/man/man1/openssl-tsget.1
 OLD_FILES+=usr/share/man/man3/ECDH_get_ex_data.3
 OLD_FILES+=usr/share/man/man3/ECDH_get_ex_new_index.3
 OLD_FILES+=usr/share/man/man3/ECDH_set_ex_data.3
 OLD_FILES+=usr/share/man/man3/ERR_GET_FUNC.3
 OLD_FILES+=usr/share/man/man3/EVP_PKEY_CTX_hkdf_mode.3
 OLD_FILES+=usr/share/man/man3/EVP_PKEY_set_alias_type.3
 OLD_FILES+=usr/share/man/man3/EVP_aes.3
 OLD_FILES+=usr/share/man/man3/EVP_aria.3
 OLD_FILES+=usr/share/man/man3/EVP_camellia.3
 OLD_FILES+=usr/share/man/man3/EVP_des.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_bytes.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_cleanup_entropy_fn.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_cleanup_nonce_fn.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_free.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_generate.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_get0_master.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_get0_private.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_get0_public.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_get_entropy_fn.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_get_ex_data.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_get_ex_new_index.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_get_nonce_fn.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_instantiate.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_new.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_reseed.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_secure_new.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_set.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_set_callbacks.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_set_defaults.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_set_ex_data.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_set_reseed_defaults.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_set_reseed_interval.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_set_reseed_time_interval.3
 OLD_FILES+=usr/share/man/man3/RAND_DRBG_uninstantiate.3
 OLD_FILES+=usr/share/man/man3/RSA_padding_add_SSLv23.3
 OLD_FILES+=usr/share/man/man3/RSA_padding_check_SSLv23.3
 OLD_FILES+=usr/share/man/man7/RAND_DRBG.7
 OLD_FILES+=usr/share/man/man7/scrypt.7
 
 # 20230622: new clang import which bumps version from 15.0.7 to 16.0.1
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_cuda_texture_intrinsics.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/altivec.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm_neon_sve_bridge.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/armintr.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512fp16intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vlfp16intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/builtins.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/cet.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/cpuid.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/crc32intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/15.0.7/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/15.0.7/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/15.0.7/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/15.0.7/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/float.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/15.0.7/include/fuzzer
 OLD_FILES+=usr/lib/clang/15.0.7/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/hexagon_circ_brev_intrinsics.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/hexagon_protos.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/hexagon_types.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/hlsl/hlsl_basic_types.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/hlsl/hlsl_intrinsics.h
 OLD_DIRS+=usr/lib/clang/15.0.7/include/hlsl
 OLD_FILES+=usr/lib/clang/15.0.7/include/hlsl.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/hvx_hexagon_protos.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/immintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/inttypes.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/iso646.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/limits.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/module.modulemap
 OLD_FILES+=usr/lib/clang/15.0.7/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/msa.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/omp.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ompt.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/15.0.7/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/15.0.7/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/15.0.7/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/15.0.7/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/bmiintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/immintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/x86intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/15.0.7/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/15.0.7/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/profile/InstrProfData.inc
 OLD_FILES+=usr/lib/clang/15.0.7/include/profile/MemProfData.inc
 OLD_DIRS+=usr/lib/clang/15.0.7/include/profile
 OLD_FILES+=usr/lib/clang/15.0.7/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/rdpruintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/riscv_vector.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/memprof_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/15.0.7/include/sanitizer
 OLD_FILES+=usr/lib/clang/15.0.7/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/stdalign.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/stdarg.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/stdbool.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/stddef.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/stdint.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/tgmath.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/unwind.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/vadefs.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/varargs.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/velintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/velintrin_approx.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/velintrin_gen.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/15.0.7/include/xray
 OLD_FILES+=usr/lib/clang/15.0.7/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/15.0.7/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/15.0.7/include
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-powerpc64.so
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-powerpc64le.so
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-preinit-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-preinit-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-preinit-riscv64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-riscv64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-riscv64.so
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_static-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_static-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_static-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.asan_static-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.fuzzer_interceptors-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.msan-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.msan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.msan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.msan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.profile-riscv64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats-riscv64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats_client-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats_client-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats_client-riscv64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.tsan-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.tsan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.tsan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.tsan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_minimal-riscv64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone-riscv64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-basic-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-fdr-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-profiling-powerpc64le.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/15.0.7/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/15.0.7/lib/freebsd
 OLD_DIRS+=usr/lib/clang/15.0.7/lib
 OLD_FILES+=usr/lib/clang/15.0.7/share/asan_ignorelist.txt
 OLD_FILES+=usr/lib/clang/15.0.7/share/cfi_ignorelist.txt
 OLD_FILES+=usr/lib/clang/15.0.7/share/msan_ignorelist.txt
 OLD_DIRS+=usr/lib/clang/15.0.7/share
 OLD_DIRS+=usr/lib/clang/15.0.7
 
 # 20230622: new libc++ import which bumps version from 15.0.7 to 16.0.1
 OLD_FILES+=usr/include/c++/v1/__bits
 OLD_FILES+=usr/include/c++/v1/__tuple
 OLD_FILES+=usr/include/c++/v1/__utility/transaction.h
 
 # 20230614: caroot bundle updated
 OLD_FILES+=usr/share/certs/trusted/Cybertrust_Global_Root.pem
 OLD_FILES+=usr/share/certs/trusted/DST_Root_CA_X3.pem
 OLD_FILES+=usr/share/certs/trusted/GlobalSign_Root_CA_-_R2.pem
 OLD_FILES+=usr/share/certs/trusted/Hellenic_Academic_and_Research_Institutions_RootCA_2011.pem
 OLD_FILES+=usr/share/certs/trusted/Network_Solutions_Certificate_Authority.pem
 OLD_FILES+=usr/share/certs/trusted/Staat_der_Nederlanden_EV_Root_CA.pem
 OLD_FILES+=usr/share/certs/trusted/TrustCor_ECA-1.pem
 OLD_FILES+=usr/share/certs/trusted/TrustCor_RootCert_CA-1.pem
 OLD_FILES+=usr/share/certs/trusted/TrustCor_RootCert_CA-2.pem
 
 # 20230510: twe(4) driver removed
 OLD_FILES+=usr/share/man/man4/twe.4.gz
 
 # 20230505: md5 tests are now self-contained
 OLD_FILES+=usr/tests/sbin/md5/1.inp
 OLD_FILES+=usr/tests/sbin/md5/1.sha512-p.chk
 OLD_FILES+=usr/tests/sbin/md5/1.sha512sum-p.chk
 OLD_FILES+=usr/tests/sbin/md5/2.inp
 OLD_FILES+=usr/tests/sbin/md5/2.sha512-p.chk
 OLD_FILES+=usr/tests/sbin/md5/2.sha512sum-p.chk
 OLD_FILES+=usr/tests/sbin/md5/3.inp
 OLD_FILES+=usr/tests/sbin/md5/3.sha512-p.chk
 OLD_FILES+=usr/tests/sbin/md5/3.sha512sum-p.chk
 OLD_FILES+=usr/tests/sbin/md5/4.inp
 OLD_FILES+=usr/tests/sbin/md5/4.sha512-p.chk
 OLD_FILES+=usr/tests/sbin/md5/4.sha512sum-p.chk
 OLD_FILES+=usr/tests/sbin/md5/5.inp
 OLD_FILES+=usr/tests/sbin/md5/5.sha512-p.chk
 OLD_FILES+=usr/tests/sbin/md5/5.sha512sum-p.chk
 OLD_FILES+=usr/tests/sbin/md5/6.inp
 OLD_FILES+=usr/tests/sbin/md5/6.sha512-p.chk
 OLD_FILES+=usr/tests/sbin/md5/6.sha512sum-p.chk
 OLD_FILES+=usr/tests/sbin/md5/7.inp
 OLD_FILES+=usr/tests/sbin/md5/7.sha512-p.chk
 OLD_FILES+=usr/tests/sbin/md5/7.sha512sum-p.chk
 OLD_FILES+=usr/tests/sbin/md5/8.inp
 OLD_FILES+=usr/tests/sbin/md5/8.sha512-p.chk
 OLD_FILES+=usr/tests/sbin/md5/8.sha512sum-p.chk
 OLD_FILES+=usr/tests/sbin/md5/algorithms.txt
 OLD_FILES+=usr/tests/sbin/md5/bsd-c-test
 OLD_FILES+=usr/tests/sbin/md5/bsd-p-test
 OLD_FILES+=usr/tests/sbin/md5/bsd-s-test
 OLD_FILES+=usr/tests/sbin/md5/coreutils-c-test
 OLD_FILES+=usr/tests/sbin/md5/md5.digest
 OLD_FILES+=usr/tests/sbin/md5/md5sum.digest
 OLD_FILES+=usr/tests/sbin/md5/rmd160.digest
 OLD_FILES+=usr/tests/sbin/md5/rmd160sum.digest
 OLD_FILES+=usr/tests/sbin/md5/self-test
 OLD_FILES+=usr/tests/sbin/md5/self-test.md5.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.rmd160.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.sh_inp
 OLD_FILES+=usr/tests/sbin/md5/self-test.sha1.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.sha224.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.sha256.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.sha384.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.sha512.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.sha512t224.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.sha512t256.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.skein1024.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.skein256.chk
 OLD_FILES+=usr/tests/sbin/md5/self-test.skein512.chk
 OLD_FILES+=usr/tests/sbin/md5/sha1.digest
 OLD_FILES+=usr/tests/sbin/md5/sha1sum.digest
 OLD_FILES+=usr/tests/sbin/md5/sha224.digest
 OLD_FILES+=usr/tests/sbin/md5/sha224sum.digest
 OLD_FILES+=usr/tests/sbin/md5/sha256.digest
 OLD_FILES+=usr/tests/sbin/md5/sha256sum.digest
 OLD_FILES+=usr/tests/sbin/md5/sha384.digest
 OLD_FILES+=usr/tests/sbin/md5/sha384sum.digest
 OLD_FILES+=usr/tests/sbin/md5/sha512.digest
 OLD_FILES+=usr/tests/sbin/md5/sha512sum.digest
 OLD_FILES+=usr/tests/sbin/md5/sha512t224.digest
 OLD_FILES+=usr/tests/sbin/md5/sha512t224sum.digest
 OLD_FILES+=usr/tests/sbin/md5/sha512t256.digest
 OLD_FILES+=usr/tests/sbin/md5/sha512t256sum.digest
 OLD_FILES+=usr/tests/sbin/md5/skein1024.digest
 OLD_FILES+=usr/tests/sbin/md5/skein1024sum.digest
 OLD_FILES+=usr/tests/sbin/md5/skein256.digest
 OLD_FILES+=usr/tests/sbin/md5/skein256sum.digest
 OLD_FILES+=usr/tests/sbin/md5/skein512.digest
 OLD_FILES+=usr/tests/sbin/md5/skein512sum.digest
 OLD_FILES+=usr/tests/sbin/md5/sum_a.in
 OLD_FILES+=usr/tests/sbin/md5/sum_b.in
 OLD_FILES+=usr/tests/sbin/md5/sum_c.in
 OLD_FILES+=usr/tests/sbin/md5/sum_sums.digest
 
 # 20230420: portsnap.8 removed
 OLD_FILES+=etc/portsnap.conf
 OLD_FILES+=usr/libexec/make_index
 OLD_FILES+=usr/sbin/portsnap
 OLD_FILES+=usr/share/examples/etc/portsnap.conf
 OLD_FILES+=usr/share/man/man8/portsnap.8.gz
 
 # 20230331: libpcap updated to 1.10.3
 OLD_FILES+=usr/include/fmtutils.h
 
 # 20230329: libcasper libraries moved to /lib
 MOVED_LIBS+=lib/casper/libcap_dns.so.2
 MOVED_LIBS+=lib/casper/libcap_fileargs.so.1
 MOVED_LIBS+=lib/casper/libcap_grp.so.1
 MOVED_LIBS+=lib/casper/libcap_net.so.1
 MOVED_LIBS+=lib/casper/libcap_netdb.so.1
 MOVED_LIBS+=lib/casper/libcap_pwd.so.1
 MOVED_LIBS+=lib/casper/libcap_sysctl.so.1
 MOVED_LIBS+=lib/casper/libcap_sysctl.so.2
 MOVED_LIBS+=lib/casper/libcap_syslog.so.1
 OLD_DIRS+=lib/casper
 
 # 20230324: libvmmapi shlib version bumped to 6
 OLD_LIBS+=usr/lib/libvmmapi.so.5
 
 # 20230323: tzdata 2023a imported
 OLD_FILES+=usr/share/zoneinfo/posixrules
 
 # 20230320: vcount.9 removed
 OLD_FILES+=usr/share/man/man9/count_dev.9.gz
 OLD_FILES+=usr/share/man/man9/vcount.9.gz
 
 # 20230320: case-sensitive conflicts removed
 OLD_FILES+=usr/tests/bin/pkill/pgrep-F_test
 OLD_FILES+=usr/tests/bin/pkill/pgrep-LF_test
 OLD_FILES+=usr/tests/bin/pkill/pgrep-P_test
 OLD_FILES+=usr/tests/bin/pkill/pgrep-U_test
 OLD_FILES+=usr/tests/bin/pkill/pkill-F_test
 OLD_FILES+=usr/tests/bin/pkill/pkill-LF_test
 OLD_FILES+=usr/tests/bin/pkill/pkill-P_test
 OLD_FILES+=usr/tests/bin/pkill/pkill-U_test
 
 # 20230309: remove remaining ATM support
 OLD_FILES+=usr/bin/sscop
 OLD_FILES+=usr/include/netgraph/atm/ng_ccatm.h
 OLD_FILES+=usr/include/netgraph/atm/ng_sscfu.h
 OLD_FILES+=usr/include/netgraph/atm/ng_sscop.h
 OLD_FILES+=usr/include/netgraph/atm/ng_uni.h
 OLD_FILES+=usr/include/netgraph/atm/ngatmbase.h
 OLD_FILES+=usr/include/netgraph/ng_atmllc.h
 OLD_FILES+=usr/include/netnatm/addr.h
 OLD_FILES+=usr/include/netnatm/api/atmapi.h
 OLD_FILES+=usr/include/netnatm/api/ccatm.h
 OLD_FILES+=usr/include/netnatm/api/unisap.h
 OLD_DIRS+=usr/include/netnatm/api
 OLD_FILES+=usr/include/netnatm/msg/uni_config.h
 OLD_FILES+=usr/include/netnatm/msg/uni_hdr.h
 OLD_FILES+=usr/include/netnatm/msg/uni_ie.h
 OLD_FILES+=usr/include/netnatm/msg/uni_msg.h
 OLD_FILES+=usr/include/netnatm/msg/unimsglib.h
 OLD_FILES+=usr/include/netnatm/msg/uniprint.h
 OLD_FILES+=usr/include/netnatm/msg/unistruct.h
 OLD_DIRS+=usr/include/netnatm/msg
 OLD_FILES+=usr/include/netnatm/saal/sscfu.h
 OLD_FILES+=usr/include/netnatm/saal/sscfudef.h
 OLD_FILES+=usr/include/netnatm/saal/sscop.h
 OLD_FILES+=usr/include/netnatm/saal/sscopdef.h
 OLD_DIRS+=usr/include/netnatm/saal
 OLD_FILES+=usr/include/netnatm/sig/uni.h
 OLD_FILES+=usr/include/netnatm/sig/unidef.h
 OLD_FILES+=usr/include/netnatm/sig/unisig.h
 OLD_DIRS+=usr/include/netnatm/sig
 OLD_FILES+=usr/include/netnatm/unimsg.h
 OLD_DIRS+=usr/include/netnatm
 OLD_FILES+=usr/lib/libngatm.a
 OLD_FILES+=usr/lib/libngatm.so
 OLD_LIBS+=usr/lib/libngatm.so.4
 OLD_FILES+=usr/lib/libngatm_p.a
 OLD_FILES+=usr/share/man/man1/sscop.1.gz
 OLD_FILES+=usr/share/man/man3/libngatm.3.gz
 OLD_FILES+=usr/share/man/man3/uniaddr.3.gz
 OLD_FILES+=usr/share/man/man3/unifunc.3.gz
 OLD_FILES+=usr/share/man/man3/unimsg.3.gz
 OLD_FILES+=usr/share/man/man3/unisap.3.gz
 OLD_FILES+=usr/share/man/man3/unistruct.3.gz
 OLD_FILES+=usr/share/man/man4/ng_atmllc.4.gz
 OLD_FILES+=usr/share/man/man4/ng_ccatm.4.gz
 OLD_FILES+=usr/share/man/man4/ng_sscfu.4.gz
 OLD_FILES+=usr/share/man/man4/ng_sscop.4.gz
 OLD_FILES+=usr/share/man/man4/ng_uni.4.gz
 OLD_FILES+=usr/share/man/man4/ngatmbase.4.gz
 
 # 20230308: machine-id merged into hostid_save
 OLD_FILES+=etc/rc.d/machine_id
 
 # 20230306: remove tzsetwall(3)
 OLD_FILES+=usr/share/man/man3/tzsetwall.3.gz
 
 # 20230208: new clang import which bumps version from 14.0.5 to 15.0.7
 OLD_FILES+=usr/lib/clang/14.0.5/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/14.0.5/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/14.0.5/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/14.0.5/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/14.0.5/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/14.0.5/include/fuzzer
 OLD_FILES+=usr/lib/clang/14.0.5/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/14.0.5/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/14.0.5/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/14.0.5/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/14.0.5/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/14.0.5/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/14.0.5/include/profile/InstrProfData.inc
 OLD_FILES+=usr/lib/clang/14.0.5/include/profile/MemProfData.inc
 OLD_DIRS+=usr/lib/clang/14.0.5/include/profile
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/memprof_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/14.0.5/include/sanitizer
 OLD_FILES+=usr/lib/clang/14.0.5/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/14.0.5/include/xray
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_cuda_texture_intrinsics.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/altivec.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm_neon_sve_bridge.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/armintr.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512fp16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vlfp16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/builtins.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/cet.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/cpuid.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/crc32intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/float.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/hexagon_circ_brev_intrinsics.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/hexagon_protos.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/hexagon_types.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/hvx_hexagon_protos.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/immintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/inttypes.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/iso646.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/limits.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/module.modulemap
 OLD_FILES+=usr/lib/clang/14.0.5/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/msa.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/omp.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ompt.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/riscv_vector.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/stdalign.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/stdarg.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/stdbool.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/stddef.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/stdint.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/tgmath.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/unwind.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/vadefs.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/varargs.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/14.0.5/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/14.0.5/include
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-powerpc64.so
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-powerpc64le.so
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-preinit-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-preinit-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-preinit-riscv64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-riscv64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-riscv64.so
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_static-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_static-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_static-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.asan_static-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.fuzzer_interceptors-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.msan-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.msan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.msan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.msan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.profile-riscv64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats-riscv64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats_client-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats_client-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats_client-riscv64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.tsan-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.tsan-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.tsan_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.tsan_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_minimal-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_minimal-riscv64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone-riscv64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone_cxx-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone_cxx-riscv64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-basic-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-fdr-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-profiling-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.5/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/14.0.5/lib/freebsd
 OLD_DIRS+=usr/lib/clang/14.0.5/lib
 OLD_FILES+=usr/lib/clang/14.0.5/share/asan_ignorelist.txt
 OLD_FILES+=usr/lib/clang/14.0.5/share/cfi_ignorelist.txt
 OLD_FILES+=usr/lib/clang/14.0.5/share/msan_ignorelist.txt
 OLD_DIRS+=usr/lib/clang/14.0.5/share
 OLD_DIRS+=usr/lib/clang/14.0.5
 
 # 20230208: new libc++ import which bumps version from 14.0.5 to 15.0.7
 OLD_FILES+=usr/include/c++/v1/__functional_base
 OLD_FILES+=usr/include/c++/v1/__libcpp_version
 OLD_FILES+=usr/include/c++/v1/__nullptr
 OLD_FILES+=usr/include/c++/v1/__string
 OLD_FILES+=usr/include/c++/v1/experimental/filesystem
 
 # 20230203: loader help files renamed
 OLD_FILES+=boot/loader.help
 
 # 20230201: timeout moved from /usr/bin to /bin
 OLD_FILES+=usr/tests/usr.bin/timeout/Kyuafile
 OLD_FILES+=usr/tests/usr.bin/timeout/timeout_test
 
 # 20230124: rtalloc.9 removed
 OLD_FILES+=usr/share/man/man9/rtalloc.9.gz
 OLD_FILES+=usr/share/man/man9/rtalloc_fib.9.gz
 OLD_FILES+=usr/share/man/man9/rtalloc_ign.9.gz
 OLD_FILES+=usr/share/man/man9/rtalloc_ign_fib.9.gz
 OLD_FILES+=usr/share/man/man9/rtalloc1.9.gz
 OLD_FILES+=usr/share/man/man9/rtalloc1_fib.9.gz
 OLD_FILES+=usr/share/man/man9/rtfree.9.gz
 OLD_FILES+=usr/share/man/man9/RT_ADDREF.9.gz
 OLD_FILES+=usr/share/man/man9/RT_LOCK.9.gz
 OLD_FILES+=usr/share/man/man9/RT_REMREF.9.gz
 OLD_FILES+=usr/share/man/man9/RT_RTFREE.9.gz
 OLD_FILES+=usr/share/man/man9/RT_UNLOCK.9.gz
 OLD_FILES+=usr/share/man/man9/RTFREE.9.gz
 OLD_FILES+=usr/share/man/man9/RTFREE_LOCKED.9.gz
 
 # 20230123: PCBGROUP.9 removed
 OLD_FILES+=usr/share/man/man9/PCBGROUP.9.gz
 OLD_FILES+=usr/share/man/man9/in_pcbgroup_byhash.9.gz
 OLD_FILES+=usr/share/man/man9/in_pcbgroup_byinpcb.9.gz
 OLD_FILES+=usr/share/man/man9/in_pcbgroup_destroy.9.gz
 OLD_FILES+=usr/share/man/man9/in_pcbgroup_enabled.9.gz
 OLD_FILES+=usr/share/man/man9/in_pcbgroup_init.9.gz
 OLD_FILES+=usr/share/man/man9/in_pcbgroup_remove.9.gz
 OLD_FILES+=usr/share/man/man9/in_pcbgroup_update.9.gz
 OLD_FILES+=usr/share/man/man9/in_pcbgroup_update_mbuf.9.gz
 OLD_FILES+=usr/share/man/man9/in6_pcbgroup_byhash.9.gz
 
 # 20221214: TCPDEBUG removed
 OLD_FILES+=usr/include/netinet/tcp_debug.h
 
 # 20221213: remove sync serial drivers and utilities
 OLD_FILES+=sbin/sconfig
 OLD_FILES+=usr/share/man/man4/ce.4.gz
 OLD_FILES+=usr/share/man/man4/cp.4.gz
 OLD_FILES+=usr/share/man/man8/sconfig.8.gz
 
 # 20221202: remove trpt(8)
 OLD_FILES+=usr/sbin/trpt
 OLD_FILES+=usr/share/man/man8/trpt.8.gz
 
 # 20221117: remove typo'd man page link
 OLD_FILES+=usr/share/man/man9/vm_map_wire_mapped.9.gz
 
 # 20221114: remove othermta
 OLD_FILES+=etc/rc.d/othermta
 
 # 20221109: remove rc.sendmail(8)
 OLD_FILES+=etc/rc.sendmail
 OLD_FILES+=usr/share/man/man8/rc.sendmail.8.gz
 
 # 20221015: update the ithread(9) man page
 OLD_FILES+=usr/share/man/man9/ithread.9.gz
 OLD_FILES+=usr/share/man/man9/ithread_add_handler.9.gz
 OLD_FILES+=usr/share/man/man9/ithread_create.9.gz
 OLD_FILES+=usr/share/man/man9/ithread_destroy.9.gz
 OLD_FILES+=usr/share/man/man9/ithread_priority.9.gz
 OLD_FILES+=usr/share/man/man9/ithread_remove_handler.9.gz
 OLD_FILES+=usr/share/man/man9/ithread_schedule.9.gz
 
 # 20221012: remove nls support from sort
 OLD_FILES+=usr/share/nls/hu_HU.ISO8859-2/sort.cat
 
 # 20221003: ip6protosw.h removed
 OLD_FILES+=usr/include/netinet6/ip6protosw.h
 
 # 20221001: deorbit opie
 OLD_FILES+=etc/opieaccess
 OLD_FILES+=etc/opiekeys
 OLD_FILES+=usr/bin/opieinfo
 OLD_FILES+=usr/bin/opiekey
 OLD_FILES+=usr/bin/opiepasswd
 OLD_FILES+=usr/bin/otp-md4
 OLD_FILES+=usr/bin/otp-md5
 OLD_FILES+=usr/bin/otp-sha1
 OLD_FILES+=usr/include/opie.h
 OLD_FILES+=usr/lib/libopie.a
 OLD_FILES+=usr/lib/libopie.so
 OLD_LIBS+=usr/lib/libopie.so.8
 OLD_FILES+=usr/lib/libopie_p.a
 OLD_FILES+=usr/lib/pam_opie.so
 OLD_LIBS+=usr/lib/pam_opie.so.6
 OLD_FILES+=usr/lib/pam_opieaccess.so
 OLD_LIBS+=usr/lib/pam_opieaccess.so.6
 OLD_FILES+=usr/share/man/man1/opieinfo.1.gz
 OLD_FILES+=usr/share/man/man1/opiekey.1.gz
 OLD_FILES+=usr/share/man/man1/opiepasswd.1.gz
 OLD_FILES+=usr/share/man/man1/otp-md4.1.gz
 OLD_FILES+=usr/share/man/man1/otp-md5.1.gz
 OLD_FILES+=usr/share/man/man1/otp-sha1.1.gz
 OLD_FILES+=usr/share/man/man4/opie.4.gz
 OLD_FILES+=usr/share/man/man4/skey.4.gz
 OLD_FILES+=usr/share/man/man5/opieaccess.5.gz
 OLD_FILES+=usr/share/man/man5/opiekeys.5.gz
 OLD_FILES+=usr/share/man/man8/pam_opie.8.gz
 OLD_FILES+=usr/share/man/man8/pam_opieaccess.8.gz
 
 # 20220928: telnetd(8) removed
 OLD_FILES+=etc/pam.d/telnetd
 OLD_FILES+=usr/libexec/telnetd
 OLD_FILES+=usr/share/man/man8/telnetd.8.gz
 
 # 20220914: domain(9) updated
 OLD_FILES+=usr/share/man/man9/domain_init.9.gz
 OLD_FILES+=usr/share/man/man9/pfctlinput.9.gz
 OLD_FILES+=usr/share/man/man9/pffinddomain.9.gz
 OLD_FILES+=usr/share/man/man9/pffindproto.9.gz
 OLD_FILES+=usr/share/man/man9/pffindtype.9.gz
 
 # 20220825: awk tests moved to subdirs
 OLD_FILES+=usr/tests/usr.bin/awk/awk_test
 OLD_FILES+=usr/tests/usr.bin/awk/d_assign_NF.awk
 OLD_FILES+=usr/tests/usr.bin/awk/d_assign_NF.in
 OLD_FILES+=usr/tests/usr.bin/awk/d_assign_NF.out
 OLD_FILES+=usr/tests/usr.bin/awk/d_big_regexp.awk
 OLD_FILES+=usr/tests/usr.bin/awk/d_big_regexp.in
 OLD_FILES+=usr/tests/usr.bin/awk/d_big_regexp.out
 OLD_FILES+=usr/tests/usr.bin/awk/d_end1.awk
 OLD_FILES+=usr/tests/usr.bin/awk/d_end1.in
 OLD_FILES+=usr/tests/usr.bin/awk/d_end1.out
 OLD_FILES+=usr/tests/usr.bin/awk/d_end2.awk
 OLD_FILES+=usr/tests/usr.bin/awk/d_end2.in
 OLD_FILES+=usr/tests/usr.bin/awk/d_end2.out
 OLD_FILES+=usr/tests/usr.bin/awk/d_period.awk
 OLD_FILES+=usr/tests/usr.bin/awk/d_period.in
 OLD_FILES+=usr/tests/usr.bin/awk/d_period.out
 OLD_FILES+=usr/tests/usr.bin/awk/d_string1.awk
 OLD_FILES+=usr/tests/usr.bin/awk/d_string1.out
 OLD_FILES+=usr/tests/usr.bin/awk/d_tolower.awk
 OLD_FILES+=usr/tests/usr.bin/awk/d_tolower.in
 OLD_FILES+=usr/tests/usr.bin/awk/d_tolower.out
 OLD_FILES+=usr/tests/usr.bin/awk/d_toupper.awk
 OLD_FILES+=usr/tests/usr.bin/awk/d_toupper.in
 OLD_FILES+=usr/tests/usr.bin/awk/d_toupper.out
 
 # 20220820: remove knlist_init_rw_reader()
 OLD_FILES+=usr/share/man/man9/knlist_init_rw_reader.9.gz
 
 # 20220813: minigzip(1) removed in favor of gzip(1)
 OLD_FILES+=usr/bin/minigzip
 OLD_FILES+=usr/share/man/man1/minigzip.1.gz
 
 # 20220811: MP_WATCHDOG removed
 OLD_FILES+=usr/include/machine/mp_watchdog.h
 
 # 20220811: new iconv encoder trait added
 OLD_LIBS+=usr/lib/i18n/libBIG5.so.4
 OLD_LIBS+=usr/lib/i18n/libDECHanyu.so.4
 OLD_LIBS+=usr/lib/i18n/libEUC.so.4
 OLD_LIBS+=usr/lib/i18n/libEUCTW.so.4
 OLD_LIBS+=usr/lib/i18n/libGBK2K.so.4
 OLD_LIBS+=usr/lib/i18n/libHZ.so.4
 OLD_LIBS+=usr/lib/i18n/libISO2022.so.4
 OLD_LIBS+=usr/lib/i18n/libJOHAB.so.4
 OLD_LIBS+=usr/lib/i18n/libMSKanji.so.4
 OLD_LIBS+=usr/lib/i18n/libUES.so.4
 OLD_LIBS+=usr/lib/i18n/libUTF1632.so.4
 OLD_LIBS+=usr/lib/i18n/libUTF7.so.4
 OLD_LIBS+=usr/lib/i18n/libUTF8.so.4
 OLD_LIBS+=usr/lib/i18n/libVIQR.so.4
 OLD_LIBS+=usr/lib/i18n/libZW.so.4
 OLD_LIBS+=usr/lib/i18n/libiconv_none.so.4
 OLD_LIBS+=usr/lib/i18n/libiconv_std.so.4
 OLD_LIBS+=usr/lib/i18n/libmapper_646.so.4
 OLD_LIBS+=usr/lib/i18n/libmapper_none.so.4
 OLD_LIBS+=usr/lib/i18n/libmapper_parallel.so.4
 OLD_LIBS+=usr/lib/i18n/libmapper_serial.so.4
 OLD_LIBS+=usr/lib/i18n/libmapper_std.so.4
 OLD_LIBS+=usr/lib/i18n/libmapper_zone.so.4
 
 # 20220811: raw socket layer removed
 OLD_FILES+=usr/include/net/raw_cb.h
 
 # 20220721: libnv version bumps
 OLD_LIBS+=lib/libnv.so.0
 
 # 20220624: unix_passfd_test -> unix_passfd_stream/unix_passfd_dgram
 OLD_FILES+=usr/tests/sys/kern/unix_passfd_test
 
 # 20220621: ISA sound card drivers removed
 OLD_FILES+=usr/share/man/man4/snd_ad1816.4.gz
 OLD_FILES+=usr/share/man/man4/snd_ess.4.gz
 OLD_FILES+=usr/share/man/man4/snd_gusc.4.gz
 OLD_FILES+=usr/share/man/man4/snd_mss.4.gz
 OLD_FILES+=usr/share/man/man4/snd_sb16.4.gz
 OLD_FILES+=usr/share/man/man4/snd_sb8.4.gz
 OLD_FILES+=usr/share/man/man4/snd_sbc.4.gz
 
 # 20220612: new clang import which bumps version from 14.0.4 to 14.0.5
 OLD_FILES+=usr/lib/clang/14.0.4/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/14.0.4/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/14.0.4/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/14.0.4/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/14.0.4/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/14.0.4/include/fuzzer
 OLD_FILES+=usr/lib/clang/14.0.4/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/14.0.4/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/14.0.4/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/14.0.4/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/14.0.4/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/14.0.4/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/14.0.4/include/profile/InstrProfData.inc
 OLD_FILES+=usr/lib/clang/14.0.4/include/profile/MemProfData.inc
 OLD_DIRS+=usr/lib/clang/14.0.4/include/profile
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/memprof_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/14.0.4/include/sanitizer
 OLD_FILES+=usr/lib/clang/14.0.4/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/14.0.4/include/xray
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_cuda_texture_intrinsics.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/altivec.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm_neon_sve_bridge.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/armintr.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512fp16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vlfp16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/builtins.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/cet.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/cpuid.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/crc32intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/float.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/hexagon_circ_brev_intrinsics.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/hexagon_protos.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/hexagon_types.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/hvx_hexagon_protos.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/immintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/inttypes.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/iso646.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/limits.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/module.modulemap
 OLD_FILES+=usr/lib/clang/14.0.4/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/msa.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/omp.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ompt.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/riscv_vector.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/stdalign.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/stdarg.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/stdbool.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/stddef.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/stdint.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/tgmath.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/unwind.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/vadefs.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/varargs.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/14.0.4/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/14.0.4/include
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan_static-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.asan_static-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.fuzzer_interceptors-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.4/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/14.0.4/lib/freebsd
 OLD_DIRS+=usr/lib/clang/14.0.4/lib/share
 OLD_DIRS+=usr/lib/clang/14.0.4/lib
 OLD_FILES+=usr/lib/clang/14.0.4/share/asan_ignorelist.txt
 OLD_FILES+=usr/lib/clang/14.0.4/share/cfi_ignorelist.txt
 OLD_FILES+=usr/lib/clang/14.0.4/share/msan_ignorelist.txt
 OLD_DIRS+=usr/lib/clang/14.0.4/share
 OLD_DIRS+=usr/lib/clang/14.0.4
 
 # 20220605: new clang import which bumps version from 14.0.3 to 14.0.4
 OLD_FILES+=usr/lib/clang/14.0.3/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/14.0.3/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/14.0.3/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/14.0.3/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/14.0.3/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/14.0.3/include/fuzzer
 OLD_FILES+=usr/lib/clang/14.0.3/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/14.0.3/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/14.0.3/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/14.0.3/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/14.0.3/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/14.0.3/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/14.0.3/include/profile/InstrProfData.inc
 OLD_FILES+=usr/lib/clang/14.0.3/include/profile/MemProfData.inc
 OLD_DIRS+=usr/lib/clang/14.0.3/include/profile
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/memprof_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/14.0.3/include/sanitizer
 OLD_FILES+=usr/lib/clang/14.0.3/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/14.0.3/include/xray
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_cuda_texture_intrinsics.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/altivec.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm_neon_sve_bridge.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/armintr.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512fp16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vlfp16intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/builtins.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/cet.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/cpuid.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/crc32intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/float.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/hexagon_circ_brev_intrinsics.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/hexagon_protos.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/hexagon_types.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/hvx_hexagon_protos.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/immintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/inttypes.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/iso646.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/limits.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/module.modulemap
 OLD_FILES+=usr/lib/clang/14.0.3/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/msa.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/omp.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ompt.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/riscv_vector.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/stdalign.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/stdarg.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/stdbool.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/stddef.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/stdint.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/tgmath.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/unwind.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/vadefs.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/varargs.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/14.0.3/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/14.0.3/include
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan_static-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.asan_static-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.fuzzer_interceptors-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/14.0.3/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/14.0.3/lib/freebsd
 OLD_DIRS+=usr/lib/clang/14.0.3/lib/share
 OLD_DIRS+=usr/lib/clang/14.0.3/lib
 OLD_FILES+=usr/lib/clang/14.0.3/share/asan_ignorelist.txt
 OLD_FILES+=usr/lib/clang/14.0.3/share/cfi_ignorelist.txt
 OLD_FILES+=usr/lib/clang/14.0.3/share/msan_ignorelist.txt
 OLD_DIRS+=usr/lib/clang/14.0.3/share
 OLD_DIRS+=usr/lib/clang/14.0.3
 
 # 20220524: libkqueue test updates
 OLD_FILES+=usr/tests/sys/kqueue/libkqueue/kqtest
 
 # 20220514: new clang import which bumps version from 13.0.0 to 14.0.3
 OLD_FILES+=usr/lib/clang/13.0.0/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/13.0.0/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/13.0.0/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/13.0.0/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/13.0.0/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/13.0.0/include/fuzzer
 OLD_FILES+=usr/lib/clang/13.0.0/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/13.0.0/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/13.0.0/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/13.0.0/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/13.0.0/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/13.0.0/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/13.0.0/include/profile/InstrProfData.inc
 OLD_DIRS+=usr/lib/clang/13.0.0/include/profile
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/13.0.0/include/sanitizer
 OLD_FILES+=usr/lib/clang/13.0.0/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/13.0.0/include/xray
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/altivec.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/armintr.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/builtins.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/cet.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/cpuid.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/float.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/hexagon_circ_brev_intrinsics.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/hexagon_protos.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/hexagon_types.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/hvx_hexagon_protos.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/immintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/inttypes.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/iso646.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/limits.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/module.modulemap
 OLD_FILES+=usr/lib/clang/13.0.0/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/msa.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/omp.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ompt.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/riscv_vector.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/stdalign.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/stdarg.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/stdbool.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/stddef.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/stdint.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/tgmath.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/unwind.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/vadefs.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/varargs.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/13.0.0/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/13.0.0/include
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/13.0.0/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/13.0.0/lib/freebsd
 OLD_DIRS+=usr/lib/clang/13.0.0/lib
 OLD_DIRS+=usr/lib/clang/13.0.0
 
 # 20220514: new libc++ import which bumps version from 13.0.0 to 14.0.3
 OLD_FILES+=usr/include/c++/v1/__function_like.h
 OLD_FILES+=usr/include/c++/v1/__memory/pointer_safety.h
 OLD_FILES+=usr/include/c++/v1/__utility/__decay_copy.h
 
 # 20220418: uudecode merged into uuencode and renamed to bintrans
 OLD_FILES+=usr/lib/debug/usr/bin/uuencode.debug
 OLD_FILES+=usr/lib/debug/usr/bin/uudecode.debug
 OLD_FILES+=usr/tests/usr.bin/uuencode/Kyuafile
 OLD_FILES+=usr/tests/usr.bin/uuencode/legacy_test
 OLD_FILES+=usr/tests/usr.bin/uuencode/regress.base64.in
 OLD_FILES+=usr/tests/usr.bin/uuencode/regress.traditional.out
 OLD_FILES+=usr/tests/usr.bin/uuencode/regress.traditional.in
 OLD_FILES+=usr/tests/usr.bin/uuencode/regress.out
 OLD_FILES+=usr/tests/usr.bin/uuencode/regress.sh
 OLD_FILES+=usr/tests/usr.bin/uuencode/regress.in
 OLD_FILES+=usr/tests/usr.bin/uuencode/regress.153276.in
 OLD_FILES+=usr/tests/usr.bin/uuencode/regress.base64.out
 OLD_FILES+=usr/tests/usr.bin/uuencode/regress.153276.out
 OLD_FILES+=usr/tests/usr.bin/uudecode/regress.base64.in
 OLD_FILES+=usr/tests/usr.bin/uudecode/Kyuafile
 OLD_FILES+=usr/tests/usr.bin/uudecode/regress.out
 OLD_FILES+=usr/tests/usr.bin/uudecode/regress.sh
 OLD_FILES+=usr/tests/usr.bin/uudecode/regress.153276.out
 OLD_FILES+=usr/tests/usr.bin/uudecode/regress.traditional.in
 OLD_FILES+=usr/tests/usr.bin/uudecode/legacy_test
 OLD_FILES+=usr/tests/usr.bin/uudecode/regress.153276.in
 OLD_DIRS+=usr/tests/usr.bin/uuencode
 OLD_DIRS+=usr/tests/usr.bin/uudecode
 
 # 20220318: snd_ds1 and snd_maestro drivers removed
 OLD_FILES+=usr/share/man/man4/snd_ds1.4.gz
 OLD_FILES+=usr/share/man/man4/snd_maestro.4.gz
 
 # 20220307: remove 330.news
 OLD_FILES+=etc/periodic/daily/330.news
 
 # 20220210: unwind.h moved to /usr/include
 OLD_FILES+=usr/include/c++/v1/unwind-arm.h
 OLD_FILES+=usr/include/c++/v1/unwind-itanium.h
 OLD_FILES+=usr/include/c++/v1/unwind.h
 
 # 20220128: mips pmc events removed
 OLD_FILES+=usr/share/man/man3/pmc.mips24k.3.gz
 OLD_FILES+=usr/share/man/man3/pmc.octeon.3.gz
 
 # 20220127: terasic_mtl.4 removed
 OLD_FILES+=usr/share/man/man4/terasic_mtl.4.gz
 
 # 20211229: libc++ moved to /lib
 MOVED_LIBS+=usr/lib/libc++.so.1
 
 # 20211221: efi_set_variables_supported.3 should be efi_variables_supported.3
 OLD_FILES+=usr/share/man/man3/efi_set_variables_supported.3.gz
 
 # 20211218: meteor.4 removed, see also 20200301 entry below
 OLD_FILES+=usr/share/man/man4/meteor.4.gz
 
 # 20211125: Old SCSI drivers removed
 OLD_FILES+=usr/include/dev/ic/esp.h
 OLD_FILES+=usr/share/man/man4/amr.4.gz
 OLD_FILES+=usr/share/man/man4/esp.4.gz
 OLD_FILES+=usr/share/man/man4/iir.4.gz
 OLD_FILES+=usr/share/man/man4/mly.4.gz
 OLD_FILES+=usr/share/man/man4/twa.4.gz
 
 # 20211120: kernel_vmount function removed
 OLD_FILES+=usr/share/man/man9/kernel_vmount.9.gz
 
 # 20211115: vm_page busy functions removed
 OLD_FILES+=usr/share/man/man9/vm_page_sbusy.9.gz
 OLD_FILES+=usr/share/man/man9/vm_page_xbusy.9.gz
 OLD_FILES+=usr/share/man/man9/vm_page_sleep_if_busy.9.gz
 
 # 20211113: new clang import which bumps version from 12.0.1 to 13.0.0
 OLD_FILES+=usr/lib/clang/12.0.1/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/12.0.1/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/12.0.1/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/12.0.1/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/12.0.1/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/12.0.1/include/fuzzer
 OLD_FILES+=usr/lib/clang/12.0.1/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/12.0.1/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/12.0.1/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/12.0.1/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/12.0.1/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/12.0.1/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/12.0.1/include/profile/InstrProfData.inc
 OLD_DIRS+=usr/lib/clang/12.0.1/include/profile
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/12.0.1/include/sanitizer
 OLD_FILES+=usr/lib/clang/12.0.1/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/12.0.1/include/xray
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/altivec.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/armintr.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/cet.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/cpuid.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/float.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/immintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/inttypes.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/iso646.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/limits.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/module.modulemap
 OLD_FILES+=usr/lib/clang/12.0.1/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/msa.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/omp.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ompt.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/stdalign.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/stdarg.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/stdbool.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/stddef.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/stdint.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/tgmath.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/unwind.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/vadefs.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/varargs.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/12.0.1/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/12.0.1/include
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.1/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/12.0.1/lib/freebsd
 OLD_DIRS+=usr/lib/clang/12.0.1/lib
 OLD_DIRS+=usr/lib/clang/12.0.1
 
 # 20211113: new libc++ import which bumps version from 12.0.1 to 13.0.0
 OLD_FILES+=usr/include/c++/v1/__functional_03
 OLD_FILES+=usr/include/c++/v1/__functional_base_03
 OLD_FILES+=usr/include/c++/v1/__memory/base.h
 OLD_FILES+=usr/include/c++/v1/__memory/utilities.h
 OLD_FILES+=usr/include/c++/v1/__sso_allocator
 OLD_FILES+=usr/include/c++/v1/tr1/__availability
 OLD_FILES+=usr/include/c++/v1/tr1/__bit_reference
 OLD_FILES+=usr/include/c++/v1/tr1/__bits
 OLD_FILES+=usr/include/c++/v1/tr1/__bsd_locale_defaults.h
 OLD_FILES+=usr/include/c++/v1/tr1/__bsd_locale_fallbacks.h
 OLD_FILES+=usr/include/c++/v1/tr1/__config
 OLD_FILES+=usr/include/c++/v1/tr1/__debug
 OLD_FILES+=usr/include/c++/v1/tr1/__errc
 OLD_FILES+=usr/include/c++/v1/tr1/__functional_03
 OLD_FILES+=usr/include/c++/v1/tr1/__functional_base
 OLD_FILES+=usr/include/c++/v1/tr1/__functional_base_03
 OLD_FILES+=usr/include/c++/v1/tr1/__hash_table
 OLD_FILES+=usr/include/c++/v1/tr1/__libcpp_version
 OLD_FILES+=usr/include/c++/v1/tr1/__locale
 OLD_FILES+=usr/include/c++/v1/tr1/__mutex_base
 OLD_FILES+=usr/include/c++/v1/tr1/__node_handle
 OLD_FILES+=usr/include/c++/v1/tr1/__nullptr
 OLD_FILES+=usr/include/c++/v1/tr1/__split_buffer
 OLD_FILES+=usr/include/c++/v1/tr1/__sso_allocator
 OLD_FILES+=usr/include/c++/v1/tr1/__std_stream
 OLD_FILES+=usr/include/c++/v1/tr1/__string
 OLD_FILES+=usr/include/c++/v1/tr1/__threading_support
 OLD_FILES+=usr/include/c++/v1/tr1/__tree
 OLD_FILES+=usr/include/c++/v1/tr1/__tuple
 OLD_FILES+=usr/include/c++/v1/tr1/__undef_macros
 OLD_FILES+=usr/include/c++/v1/tr1/algorithm
 OLD_FILES+=usr/include/c++/v1/tr1/any
 OLD_FILES+=usr/include/c++/v1/tr1/array
 OLD_FILES+=usr/include/c++/v1/tr1/atomic
 OLD_FILES+=usr/include/c++/v1/tr1/barrier
 OLD_FILES+=usr/include/c++/v1/tr1/bit
 OLD_FILES+=usr/include/c++/v1/tr1/bitset
 OLD_FILES+=usr/include/c++/v1/tr1/cassert
 OLD_FILES+=usr/include/c++/v1/tr1/ccomplex
 OLD_FILES+=usr/include/c++/v1/tr1/cctype
 OLD_FILES+=usr/include/c++/v1/tr1/cerrno
 OLD_FILES+=usr/include/c++/v1/tr1/cfenv
 OLD_FILES+=usr/include/c++/v1/tr1/cfloat
 OLD_FILES+=usr/include/c++/v1/tr1/charconv
 OLD_FILES+=usr/include/c++/v1/tr1/chrono
 OLD_FILES+=usr/include/c++/v1/tr1/cinttypes
 OLD_FILES+=usr/include/c++/v1/tr1/ciso646
 OLD_FILES+=usr/include/c++/v1/tr1/climits
 OLD_FILES+=usr/include/c++/v1/tr1/clocale
 OLD_FILES+=usr/include/c++/v1/tr1/cmath
 OLD_FILES+=usr/include/c++/v1/tr1/codecvt
 OLD_FILES+=usr/include/c++/v1/tr1/compare
 OLD_FILES+=usr/include/c++/v1/tr1/complex
 OLD_FILES+=usr/include/c++/v1/tr1/complex.h
 OLD_FILES+=usr/include/c++/v1/tr1/concepts
 OLD_FILES+=usr/include/c++/v1/tr1/condition_variable
 OLD_FILES+=usr/include/c++/v1/tr1/csetjmp
 OLD_FILES+=usr/include/c++/v1/tr1/csignal
 OLD_FILES+=usr/include/c++/v1/tr1/cstdarg
 OLD_FILES+=usr/include/c++/v1/tr1/cstdbool
 OLD_FILES+=usr/include/c++/v1/tr1/cstddef
 OLD_FILES+=usr/include/c++/v1/tr1/cstdint
 OLD_FILES+=usr/include/c++/v1/tr1/cstdio
 OLD_FILES+=usr/include/c++/v1/tr1/cstdlib
 OLD_FILES+=usr/include/c++/v1/tr1/cstring
 OLD_FILES+=usr/include/c++/v1/tr1/ctgmath
 OLD_FILES+=usr/include/c++/v1/tr1/ctime
 OLD_FILES+=usr/include/c++/v1/tr1/ctype.h
 OLD_FILES+=usr/include/c++/v1/tr1/cwchar
 OLD_FILES+=usr/include/c++/v1/tr1/cwctype
 OLD_FILES+=usr/include/c++/v1/tr1/deque
 OLD_FILES+=usr/include/c++/v1/tr1/errno.h
 OLD_FILES+=usr/include/c++/v1/tr1/exception
 OLD_FILES+=usr/include/c++/v1/tr1/execution
 OLD_FILES+=usr/include/c++/v1/tr1/fenv.h
 OLD_FILES+=usr/include/c++/v1/tr1/filesystem
 OLD_FILES+=usr/include/c++/v1/tr1/float.h
 OLD_FILES+=usr/include/c++/v1/tr1/forward_list
 OLD_FILES+=usr/include/c++/v1/tr1/fstream
 OLD_FILES+=usr/include/c++/v1/tr1/functional
 OLD_FILES+=usr/include/c++/v1/tr1/future
 OLD_FILES+=usr/include/c++/v1/tr1/initializer_list
 OLD_FILES+=usr/include/c++/v1/tr1/inttypes.h
 OLD_FILES+=usr/include/c++/v1/tr1/iomanip
 OLD_FILES+=usr/include/c++/v1/tr1/ios
 OLD_FILES+=usr/include/c++/v1/tr1/iosfwd
 OLD_FILES+=usr/include/c++/v1/tr1/iostream
 OLD_FILES+=usr/include/c++/v1/tr1/istream
 OLD_FILES+=usr/include/c++/v1/tr1/iterator
 OLD_FILES+=usr/include/c++/v1/tr1/latch
 OLD_FILES+=usr/include/c++/v1/tr1/limits
 OLD_FILES+=usr/include/c++/v1/tr1/limits.h
 OLD_FILES+=usr/include/c++/v1/tr1/list
 OLD_FILES+=usr/include/c++/v1/tr1/locale
 OLD_FILES+=usr/include/c++/v1/tr1/locale.h
 OLD_FILES+=usr/include/c++/v1/tr1/map
 OLD_FILES+=usr/include/c++/v1/tr1/math.h
 OLD_FILES+=usr/include/c++/v1/tr1/memory
 OLD_FILES+=usr/include/c++/v1/tr1/mutex
 OLD_FILES+=usr/include/c++/v1/tr1/new
 OLD_FILES+=usr/include/c++/v1/tr1/numbers
 OLD_FILES+=usr/include/c++/v1/tr1/numeric
 OLD_FILES+=usr/include/c++/v1/tr1/optional
 OLD_FILES+=usr/include/c++/v1/tr1/ostream
 OLD_FILES+=usr/include/c++/v1/tr1/queue
 OLD_FILES+=usr/include/c++/v1/tr1/random
 OLD_FILES+=usr/include/c++/v1/tr1/ratio
 OLD_FILES+=usr/include/c++/v1/tr1/regex
 OLD_FILES+=usr/include/c++/v1/tr1/scoped_allocator
 OLD_FILES+=usr/include/c++/v1/tr1/semaphore
 OLD_FILES+=usr/include/c++/v1/tr1/set
 OLD_FILES+=usr/include/c++/v1/tr1/setjmp.h
 OLD_FILES+=usr/include/c++/v1/tr1/shared_mutex
 OLD_FILES+=usr/include/c++/v1/tr1/span
 OLD_FILES+=usr/include/c++/v1/tr1/sstream
 OLD_FILES+=usr/include/c++/v1/tr1/stack
 OLD_FILES+=usr/include/c++/v1/tr1/stdbool.h
 OLD_FILES+=usr/include/c++/v1/tr1/stddef.h
 OLD_FILES+=usr/include/c++/v1/tr1/stdexcept
 OLD_FILES+=usr/include/c++/v1/tr1/stdint.h
 OLD_FILES+=usr/include/c++/v1/tr1/stdio.h
 OLD_FILES+=usr/include/c++/v1/tr1/stdlib.h
 OLD_FILES+=usr/include/c++/v1/tr1/streambuf
 OLD_FILES+=usr/include/c++/v1/tr1/string
 OLD_FILES+=usr/include/c++/v1/tr1/string.h
 OLD_FILES+=usr/include/c++/v1/tr1/string_view
 OLD_FILES+=usr/include/c++/v1/tr1/strstream
 OLD_FILES+=usr/include/c++/v1/tr1/system_error
 OLD_FILES+=usr/include/c++/v1/tr1/tgmath.h
 OLD_FILES+=usr/include/c++/v1/tr1/thread
 OLD_FILES+=usr/include/c++/v1/tr1/tuple
 OLD_FILES+=usr/include/c++/v1/tr1/type_traits
 OLD_FILES+=usr/include/c++/v1/tr1/typeindex
 OLD_FILES+=usr/include/c++/v1/tr1/typeinfo
 OLD_FILES+=usr/include/c++/v1/tr1/unordered_map
 OLD_FILES+=usr/include/c++/v1/tr1/unordered_set
 OLD_FILES+=usr/include/c++/v1/tr1/utility
 OLD_FILES+=usr/include/c++/v1/tr1/valarray
 OLD_FILES+=usr/include/c++/v1/tr1/variant
 OLD_FILES+=usr/include/c++/v1/tr1/vector
 OLD_FILES+=usr/include/c++/v1/tr1/version
 OLD_FILES+=usr/include/c++/v1/tr1/wchar.h
 OLD_FILES+=usr/include/c++/v1/tr1/wctype.h
 OLD_DIRS+=usr/include/c++/v1/tr1
 
 # 20211027: libdialog shlib bumped to version 10 for dialog 1.3
 OLD_LIBS+=usr/lib/libdialog.so.9
 OLD_LIBS+=usr/lib/libdpv.so.2
 
 # 20211026: retire obsolete iscsi initiator
 OLD_FILES+=sbin/iscontrol
 OLD_FILES+=usr/share/man/man4/iscsi_initiator.4.gz
 OLD_FILES+=usr/share/man/man8/iscontrol.8.gz
 
 # 20211022
 OLD_FILES+=etc/rc.d/sppp
 OLD_FILES+=rescue/spppcontrol
 OLD_FILES+=sbin/spppcontrol
 .if ${TARGET_ARCH} == "i386"
 OLD_FILES+=usr/include/machine/cserial.h
 .endif
 OLD_FILES+=usr/include/net/if_sppp.h
 OLD_FILES+=usr/include/netgraph/ng_sppp.h
 OLD_FILES+=usr/share/man/man4/ng_sppp.4.gz
 OLD_FILES+=usr/share/man/man4/sppp.4.gz
 OLD_FILES+=usr/share/man/man8/spppcontrol.8.gz
 
 # 20211004: Removed sparc64 tests for lastcomm/sa
 OLD_FILES+=usr/tests/usr.bin/lastcomm/v1-sparc64-acct.in
 OLD_FILES+=usr/tests/usr.bin/lastcomm/v1-sparc64.out
 OLD_FILES+=usr/tests/usr.bin/lastcomm/v2-sparc64-acct.in
 OLD_FILES+=usr/tests/usr.bin/lastcomm/v2-sparc64.out
 OLD_FILES+=usr/tests/usr.sbin/sa/v1-sparc64-sav.in
 OLD_FILES+=usr/tests/usr.sbin/sa/v1-sparc64-sav.out
 OLD_FILES+=usr/tests/usr.sbin/sa/v1-sparc64-u.out
 OLD_FILES+=usr/tests/usr.sbin/sa/v1-sparc64-usr.in
 OLD_FILES+=usr/tests/usr.sbin/sa/v1-sparc64-usr.out
 OLD_FILES+=usr/tests/usr.sbin/sa/v2-sparc64-sav.in
 OLD_FILES+=usr/tests/usr.sbin/sa/v2-sparc64-u.out
 OLD_FILES+=usr/tests/usr.sbin/sa/v2-sparc64-usr.in
 
 # 20210929:
 OLD_FILES+=usr/sbin/hcseriald
 OLD_FILES+=usr/share/man/man8/hcseriald.8.gz
 
 # 20210929: Remove ng_h4
 OLD_FILES+=usr/include/netgraph/bluetooth/include/ng_h4.h
 OLD_FILES+=usr/share/man/man4/ng_h4.4.gz
 
 # 20210923: rename boot(9) to kern_reboot(9)
 OLD_FILES+=usr/share/man/man9/boot.9.gz
 
 # 20210921: remove cloudabi
 OLD_FILES+=usr/share/man/man4/cloudabi.4.gz
 OLD_FILES+=usr/share/man/man4/cloudabi32.4.gz
 OLD_FILES+=usr/share/man/man4/cloudabi64.4.gz
 
 # 20210906: stop installing {llvm,clang,lldb}-tblgen
 OLD_FILES+=usr/bin/llvm-tblgen
 OLD_FILES+=usr/bin/clang-tblgen
 OLD_FILES+=usr/bin/lldb-tblgen
 OLD_FILES+=usr/share/man/man1/llvm-tblgen.1.gz
 
 # 20210810: remove Pentium-related man pages and references
 OLD_FILES+=usr/share/man/man3/pmc.p4.3.gz
 OLD_FILES+=usr/share/man/man3/pmc.p5.3.gz
 OLD_FILES+=usr/share/man/man3/pmc.p6.3.gz
 
 # 20210805: C.UTF-8 installed to the wrong location
 OLD_FILES+=usr/share/C.UTF-8.LC_CTYPE
 
 # 20210619: new clang import which bumps version from 12.0.0 to 12.0.1
 OLD_FILES+=usr/lib/clang/12.0.0/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/12.0.0/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/12.0.0/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/12.0.0/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/12.0.0/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/12.0.0/include/fuzzer
 OLD_FILES+=usr/lib/clang/12.0.0/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/12.0.0/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/12.0.0/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/openmp_wrappers/complex_cmath.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/12.0.0/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/12.0.0/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/12.0.0/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/12.0.0/include/profile/InstrProfData.inc
 OLD_DIRS+=usr/lib/clang/12.0.0/include/profile
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/12.0.0/include/sanitizer
 OLD_FILES+=usr/lib/clang/12.0.0/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/12.0.0/include/xray
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_hip_cmath.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/altivec.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/armintr.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/avxvnniintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/cet.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/cpuid.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/float.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/hresetintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/immintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/inttypes.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/iso646.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/keylockerintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/limits.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/module.modulemap
 OLD_FILES+=usr/lib/clang/12.0.0/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/msa.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/omp.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ompt.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/stdalign.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/stdarg.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/stdbool.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/stddef.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/stdint.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/tgmath.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/uintrintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/unwind.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/vadefs.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/varargs.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/x86gprintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/12.0.0/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/12.0.0/include
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/12.0.0/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/12.0.0/lib/freebsd
 OLD_DIRS+=usr/lib/clang/12.0.0/lib
 OLD_DIRS+=usr/lib/clang/12.0.0
 
 # 20210616: Remove crypto_cursor_seg{base,len}
 OLD_FILES+=usr/share/man/man9/crypto_cursor_segbase.9.gz
 OLD_FILES+=usr/share/man/man9/crypto_cursor_seglen.9.gz
 
 # 20210618: rename of usr/share/certs/blacklisted
 OLD_FILES+=usr/share/certs/blacklisted/AddTrust_External_Root.pem
 OLD_FILES+=usr/share/certs/blacklisted/AddTrust_Low-Value_Services_Root.pem
 OLD_FILES+=usr/share/certs/blacklisted/Camerfirma_Chambers_of_Commerce_Root.pem
 OLD_FILES+=usr/share/certs/blacklisted/Camerfirma_Global_Chambersign_Root.pem
 OLD_FILES+=usr/share/certs/blacklisted/Certum_Root_CA.pem
 OLD_FILES+=usr/share/certs/blacklisted/Chambers_of_Commerce_Root_-_2008.pem
 OLD_FILES+=usr/share/certs/blacklisted/D-TRUST_Root_CA_3_2013.pem
 OLD_FILES+=usr/share/certs/blacklisted/EC-ACC.pem
 OLD_FILES+=usr/share/certs/blacklisted/EE_Certification_Centre_Root_CA.pem
 OLD_FILES+=usr/share/certs/blacklisted/GeoTrust_Global_CA.pem
 OLD_FILES+=usr/share/certs/blacklisted/GeoTrust_Primary_Certification_Authority_-_G2.pem
 OLD_FILES+=usr/share/certs/blacklisted/GeoTrust_Primary_Certification_Authority_-_G3.pem
 OLD_FILES+=usr/share/certs/blacklisted/GeoTrust_Primary_Certification_Authority.pem
 OLD_FILES+=usr/share/certs/blacklisted/GeoTrust_Universal_CA_2.pem
 OLD_FILES+=usr/share/certs/blacklisted/GeoTrust_Universal_CA.pem
 OLD_FILES+=usr/share/certs/blacklisted/Global_Chambersign_Root_-_2008.pem
 OLD_FILES+=usr/share/certs/blacklisted/LuxTrust_Global_Root_2.pem
 OLD_FILES+=usr/share/certs/blacklisted/OISTE_WISeKey_Global_Root_GA_CA.pem
 OLD_FILES+=usr/share/certs/blacklisted/QuoVadis_Root_CA.pem
 OLD_FILES+=usr/share/certs/blacklisted/Sonera_Class_2_Root_CA.pem
 OLD_FILES+=usr/share/certs/blacklisted/Staat_der_Nederlanden_Root_CA_-_G2.pem
 OLD_FILES+=usr/share/certs/blacklisted/Staat_der_Nederlanden_Root_CA_-_G3.pem
 OLD_FILES+=usr/share/certs/blacklisted/SwissSign_Platinum_CA_-_G2.pem
 OLD_FILES+=usr/share/certs/blacklisted/Symantec_Class_1_Public_Primary_Certification_Authority_-_G4.pem
 OLD_FILES+=usr/share/certs/blacklisted/Symantec_Class_1_Public_Primary_Certification_Authority_-_G6.pem
 OLD_FILES+=usr/share/certs/blacklisted/Symantec_Class_2_Public_Primary_Certification_Authority_-_G4.pem
 OLD_FILES+=usr/share/certs/blacklisted/Symantec_Class_2_Public_Primary_Certification_Authority_-_G6.pem
 OLD_FILES+=usr/share/certs/blacklisted/Taiwan_GRCA.pem
 OLD_FILES+=usr/share/certs/blacklisted/thawte_Primary_Root_CA_-_G2.pem
 OLD_FILES+=usr/share/certs/blacklisted/thawte_Primary_Root_CA_-_G3.pem
 OLD_FILES+=usr/share/certs/blacklisted/thawte_Primary_Root_CA.pem
 OLD_FILES+=usr/share/certs/blacklisted/Trustis_FPS_Root_CA.pem
 OLD_FILES+=usr/share/certs/blacklisted/Verisign_Class_1_Public_Primary_Certification_Authority_-_G3.pem
 OLD_FILES+=usr/share/certs/blacklisted/Verisign_Class_2_Public_Primary_Certification_Authority_-_G3.pem
 OLD_FILES+=usr/share/certs/blacklisted/Verisign_Class_3_Public_Primary_Certification_Authority_-_G3.pem
 OLD_FILES+=usr/share/certs/blacklisted/VeriSign_Class_3_Public_Primary_Certification_Authority_-_G4.pem
 OLD_FILES+=usr/share/certs/blacklisted/VeriSign_Class_3_Public_Primary_Certification_Authority_-_G5.pem
 OLD_FILES+=usr/share/certs/blacklisted/VeriSign_Universal_Root_Certification_Authority.pem
 OLD_DIRS+=usr/share/certs/blacklisted
 
 # 20210613: new clang import which bumps version from 11.0.1 to 12.0.0
 OLD_FILES+=usr/lib/clang/11.0.1/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/11.0.1/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/11.0.1/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/11.0.1/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/11.0.1/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/11.0.1/include/fuzzer
 OLD_FILES+=usr/lib/clang/11.0.1/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/11.0.1/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/11.0.1/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/11.0.1/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/11.0.1/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/11.0.1/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/11.0.1/include/profile/InstrProfData.inc
 OLD_DIRS+=usr/lib/clang/11.0.1/include/profile
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/11.0.1/include/sanitizer
 OLD_FILES+=usr/lib/clang/11.0.1/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/11.0.1/include/xray
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/altivec.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/armintr.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/cet.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/cpuid.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/float.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/immintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/inttypes.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/iso646.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/limits.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/module.modulemap
 OLD_FILES+=usr/lib/clang/11.0.1/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/msa.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/omp-tools.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/omp.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ompt.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/stdalign.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/stdarg.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/stdatomic.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/stdbool.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/stddef.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/stdint.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/stdnoreturn.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/tgmath.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/unwind.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/vadefs.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/varargs.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/11.0.1/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/11.0.1/include
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.1/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/11.0.1/lib/freebsd
 OLD_DIRS+=usr/lib/clang/11.0.1/lib
 OLD_DIRS+=usr/lib/clang/11.0.1
 
 # 20210613: Rename OpenZFS manual pages
 OLD_FILES+=usr/share/man/man5/spl-module-parameters.5.gz
 OLD_FILES+=usr/share/man/man5/zfs-events.5.gz
 OLD_FILES+=usr/share/man/man5/zfs-module-parameters.5.gz
 OLD_FILES+=usr/share/man/man8/zfsconcepts.8.gz
 OLD_FILES+=usr/share/man/man8/zfsprops.8.gz
 OLD_FILES+=usr/share/man/man5/zpool-features.5.gz
 OLD_FILES+=usr/share/man/man8/zpoolconcepts.8.gz
 OLD_FILES+=usr/share/man/man8/zpoolprops.8.gz
 
 # 20210611: Remove svn and svnlite
 OLD_FILES+=usr/bin/svn
 OLD_FILES+=usr/bin/svnadmin
 OLD_FILES+=usr/bin/svnbench
 OLD_FILES+=usr/bin/svndumpfilter
 OLD_FILES+=usr/bin/svnfsfs
 OLD_FILES+=usr/bin/svnlite
 OLD_FILES+=usr/bin/svnliteadmin
 OLD_FILES+=usr/bin/svnlitebench
 OLD_FILES+=usr/bin/svnlitedumpfilter
 OLD_FILES+=usr/bin/svnlitefsfs
 OLD_FILES+=usr/bin/svnlitelook
 OLD_FILES+=usr/bin/svnlitemucc
 OLD_FILES+=usr/bin/svnliterdump
 OLD_FILES+=usr/bin/svnliteserve
 OLD_FILES+=usr/bin/svnlitesync
 OLD_FILES+=usr/bin/svnliteversion
 OLD_FILES+=usr/bin/svnlook
 OLD_FILES+=usr/bin/svnmucc
 OLD_FILES+=usr/bin/svnrdump
 OLD_FILES+=usr/bin/svnserve
 OLD_FILES+=usr/bin/svnsync
 OLD_FILES+=usr/bin/svnversion
 OLD_FILES+=usr/share/man/man1/svnlite.1.gz
 
 # 20210607: remove ancontrol(8) related programs
 OLD_FILES+=usr/sbin/ancontrol
 OLD_FILES+=usr/share/man/man8/ancontrol.8.gz
 
 # 20210607: remove an(4)
 OLD_FILES+=usr/include/dev/an/if_aironet_ieee.h
 OLD_FILES+=usr/include/dev/an/if_anreg.h
 OLD_FILES+=usr/share/man/man4/an.4.gz
 
 # 20210426: remove unused libexec/rc.d/addswap
 OLD_FILES+=etc/rc.d/addswap
 
 # 20210413: Remove pfctlinput2
 OLD_FILES+=usr/share/man/man9/pfctlinput2.9.gz
 
 # 20210412: Remove kernel asymmetric crypto
 OLD_FILES+=usr/share/man/man9/crypto_asym.9.gz
 OLD_FILES+=usr/share/man/man9/crypto_kdispatch.9.gz
 OLD_FILES+=usr/share/man/man9/crypto_kdone.9.gz
 OLD_FILES+=usr/share/man/man9/crypto_kregister.9.gz
 OLD_FILES+=usr/share/man/man9/CRYPTODEV_KPROCESS.9.gz
 
 # 20210410: remove unused libexec/rc.d/archdep
 OLD_FILES+=etc/rc.d/archdep
 
 # 20210408: remove tcp_hostcache.h
 OLD_FILES+=usr/include/netinet/tcp_hostcache.h
 
 # 20210403: remove kgmon(8)
 OLD_FILES+=usr/sbin/kgmon
 OLD_FILES+=usr/share/man/man8/kgmon.8.gz
 
 # 20210401: remove bt(4) man page
 OLD_FILES+=usr/share/man/man4/bt.4.gz
 
 # 20210322: retire mn(4) sync serial driver
 OLD_FILES+=usr/share/man/man4/if_mn.4.gz
 OLD_FILES+=usr/share/man/man4/mn.4.gz
 
 # 20210318: remove the terminfo database
 OLD_FILES+=usr/share/terminfo/1/1178
 OLD_FILES+=usr/share/terminfo/1/1730-lm
 OLD_DIRS+=usr/share/terminfo/1
 OLD_FILES+=usr/share/terminfo/2/2621
 OLD_FILES+=usr/share/terminfo/2/2621-wl
 OLD_FILES+=usr/share/terminfo/2/2621A
 OLD_FILES+=usr/share/terminfo/2/2621a
 OLD_DIRS+=usr/share/terminfo/2/
 OLD_FILES+=usr/share/terminfo/3/386at
 OLD_FILES+=usr/share/terminfo/3/3b1
 OLD_DIRS+=usr/share/terminfo/3/
 OLD_FILES+=usr/share/terminfo/4/4025ex
 OLD_FILES+=usr/share/terminfo/4/4027ex
 OLD_FILES+=usr/share/terminfo/4/4410-w
 OLD_DIRS+=usr/share/terminfo/4/
 OLD_FILES+=usr/share/terminfo/5/5051
 OLD_FILES+=usr/share/terminfo/5/5410-w
 OLD_FILES+=usr/share/terminfo/5/5620
 OLD_FILES+=usr/share/terminfo/5/5630-24
 OLD_FILES+=usr/share/terminfo/5/5630DMD-24
 OLD_DIRS+=usr/share/terminfo/5/
 OLD_FILES+=usr/share/terminfo/6/6053
 OLD_FILES+=usr/share/terminfo/6/6053-dg
 OLD_FILES+=usr/share/terminfo/6/605x
 OLD_FILES+=usr/share/terminfo/6/605x-dg
 OLD_FILES+=usr/share/terminfo/6/630-lm
 OLD_FILES+=usr/share/terminfo/6/630MTG-24
 OLD_DIRS+=usr/share/terminfo/6/
 OLD_FILES+=usr/share/terminfo/7/730MTG-24
 OLD_FILES+=usr/share/terminfo/7/730MTG-41
 OLD_FILES+=usr/share/terminfo/7/730MTG-41r
 OLD_FILES+=usr/share/terminfo/7/730MTGr
 OLD_FILES+=usr/share/terminfo/7/730MTGr-24
 OLD_DIRS+=usr/share/terminfo/7/
 OLD_FILES+=usr/share/terminfo/8/8510
 OLD_DIRS+=usr/share/terminfo/8/
 OLD_FILES+=usr/share/terminfo/9/955-hb
 OLD_FILES+=usr/share/terminfo/9/955-w
 OLD_FILES+=usr/share/terminfo/9/9term
 OLD_DIRS+=usr/share/terminfo/9/
 OLD_FILES+=usr/share/terminfo/A/Apple_Terminal
 OLD_DIRS+=usr/share/terminfo/A/
 OLD_FILES+=usr/share/terminfo/E/Eterm
 OLD_FILES+=usr/share/terminfo/E/Eterm-256color
 OLD_FILES+=usr/share/terminfo/E/Eterm-88color
 OLD_FILES+=usr/share/terminfo/E/Eterm-color
 OLD_DIRS+=usr/share/terminfo/E/
 OLD_FILES+=usr/share/terminfo/L/LFT-PC850
 OLD_DIRS+=usr/share/terminfo/L/
 OLD_FILES+=usr/share/terminfo/M/MtxOrb
 OLD_FILES+=usr/share/terminfo/M/MtxOrb162
 OLD_FILES+=usr/share/terminfo/M/MtxOrb204
 OLD_DIRS+=usr/share/terminfo/M/
 OLD_FILES+=usr/share/terminfo/N/NCR260VT300WPP
 OLD_FILES+=usr/share/terminfo/N/NCRVT100WPP
 OLD_DIRS+=usr/share/terminfo/N/
 OLD_FILES+=usr/share/terminfo/P/P12
 OLD_FILES+=usr/share/terminfo/P/P12-M
 OLD_FILES+=usr/share/terminfo/P/P12-M-W
 OLD_FILES+=usr/share/terminfo/P/P12-W
 OLD_FILES+=usr/share/terminfo/P/P14
 OLD_FILES+=usr/share/terminfo/P/P14-M
 OLD_FILES+=usr/share/terminfo/P/P14-M-W
 OLD_FILES+=usr/share/terminfo/P/P14-W
 OLD_FILES+=usr/share/terminfo/P/P4
 OLD_FILES+=usr/share/terminfo/P/P5
 OLD_FILES+=usr/share/terminfo/P/P7
 OLD_FILES+=usr/share/terminfo/P/P8
 OLD_FILES+=usr/share/terminfo/P/P8-W
 OLD_FILES+=usr/share/terminfo/P/P9
 OLD_FILES+=usr/share/terminfo/P/P9-8
 OLD_FILES+=usr/share/terminfo/P/P9-8-W
 OLD_FILES+=usr/share/terminfo/P/P9-W
 OLD_DIRS+=usr/share/terminfo/P/
 OLD_FILES+=usr/share/terminfo/Q/Q306-8-pc
 OLD_FILES+=usr/share/terminfo/Q/Q310-vip-H
 OLD_FILES+=usr/share/terminfo/Q/Q310-vip-H-am
 OLD_FILES+=usr/share/terminfo/Q/Q310-vip-Hw
 OLD_FILES+=usr/share/terminfo/Q/Q310-vip-w
 OLD_FILES+=usr/share/terminfo/Q/Q310-vip-w-am
 OLD_DIRS+=usr/share/terminfo/Q/
 OLD_FILES+=usr/share/terminfo/X/X-hpterm
 OLD_DIRS+=usr/share/terminfo/X/
 OLD_FILES+=usr/share/terminfo/a/a210
 OLD_FILES+=usr/share/terminfo/a/a80
 OLD_FILES+=usr/share/terminfo/a/a980
 OLD_FILES+=usr/share/terminfo/a/aa4080
 OLD_FILES+=usr/share/terminfo/a/aaa
 OLD_FILES+=usr/share/terminfo/a/aaa+dec
 OLD_FILES+=usr/share/terminfo/a/aaa+rv
 OLD_FILES+=usr/share/terminfo/a/aaa+unk
 OLD_FILES+=usr/share/terminfo/a/aaa-18
 OLD_FILES+=usr/share/terminfo/a/aaa-18-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-20
 OLD_FILES+=usr/share/terminfo/a/aaa-22
 OLD_FILES+=usr/share/terminfo/a/aaa-24
 OLD_FILES+=usr/share/terminfo/a/aaa-24-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-26
 OLD_FILES+=usr/share/terminfo/a/aaa-28
 OLD_FILES+=usr/share/terminfo/a/aaa-30
 OLD_FILES+=usr/share/terminfo/a/aaa-30-ctxt
 OLD_FILES+=usr/share/terminfo/a/aaa-30-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-30-rv-ctxt
 OLD_FILES+=usr/share/terminfo/a/aaa-30-s
 OLD_FILES+=usr/share/terminfo/a/aaa-30-s-ctxt
 OLD_FILES+=usr/share/terminfo/a/aaa-30-s-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-30-s-rv-ct
 OLD_FILES+=usr/share/terminfo/a/aaa-36
 OLD_FILES+=usr/share/terminfo/a/aaa-36-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-40
 OLD_FILES+=usr/share/terminfo/a/aaa-40-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-48
 OLD_FILES+=usr/share/terminfo/a/aaa-48-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-60
 OLD_FILES+=usr/share/terminfo/a/aaa-60-dec-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-60-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-60-s
 OLD_FILES+=usr/share/terminfo/a/aaa-60-s-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-ctxt
 OLD_FILES+=usr/share/terminfo/a/aaa-db
 OLD_FILES+=usr/share/terminfo/a/aaa-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-rv-ctxt
 OLD_FILES+=usr/share/terminfo/a/aaa-rv-unk
 OLD_FILES+=usr/share/terminfo/a/aaa-s
 OLD_FILES+=usr/share/terminfo/a/aaa-s-ctxt
 OLD_FILES+=usr/share/terminfo/a/aaa-s-rv
 OLD_FILES+=usr/share/terminfo/a/aaa-s-rv-ctxt
 OLD_FILES+=usr/share/terminfo/a/aaa-unk
 OLD_FILES+=usr/share/terminfo/a/aas1901
 OLD_FILES+=usr/share/terminfo/a/abm80
 OLD_FILES+=usr/share/terminfo/a/abm85
 OLD_FILES+=usr/share/terminfo/a/abm85e
 OLD_FILES+=usr/share/terminfo/a/abm85h
 OLD_FILES+=usr/share/terminfo/a/abm85h-old
 OLD_FILES+=usr/share/terminfo/a/absolute
 OLD_FILES+=usr/share/terminfo/a/act4
 OLD_FILES+=usr/share/terminfo/a/act5
 OLD_FILES+=usr/share/terminfo/a/addrinfo
 OLD_FILES+=usr/share/terminfo/a/adds200
 OLD_FILES+=usr/share/terminfo/a/adds980
 OLD_FILES+=usr/share/terminfo/a/addsviewpoint
 OLD_FILES+=usr/share/terminfo/a/addsvp60
 OLD_FILES+=usr/share/terminfo/a/adm+sgr
 OLD_FILES+=usr/share/terminfo/a/adm1
 OLD_FILES+=usr/share/terminfo/a/adm11
 OLD_FILES+=usr/share/terminfo/a/adm1178
 OLD_FILES+=usr/share/terminfo/a/adm12
 OLD_FILES+=usr/share/terminfo/a/adm1a
 OLD_FILES+=usr/share/terminfo/a/adm2
 OLD_FILES+=usr/share/terminfo/a/adm20
 OLD_FILES+=usr/share/terminfo/a/adm21
 OLD_FILES+=usr/share/terminfo/a/adm22
 OLD_FILES+=usr/share/terminfo/a/adm3
 OLD_FILES+=usr/share/terminfo/a/adm31
 OLD_FILES+=usr/share/terminfo/a/adm31-old
 OLD_FILES+=usr/share/terminfo/a/adm36
 OLD_FILES+=usr/share/terminfo/a/adm3a
 OLD_FILES+=usr/share/terminfo/a/adm3a+
 OLD_FILES+=usr/share/terminfo/a/adm42
 OLD_FILES+=usr/share/terminfo/a/adm42-ns
 OLD_FILES+=usr/share/terminfo/a/adm5
 OLD_FILES+=usr/share/terminfo/a/aepro
 OLD_FILES+=usr/share/terminfo/a/aixterm
 OLD_FILES+=usr/share/terminfo/a/aixterm-16color
 OLD_FILES+=usr/share/terminfo/a/aixterm-m
 OLD_FILES+=usr/share/terminfo/a/aixterm-m-old
 OLD_FILES+=usr/share/terminfo/a/aj
 OLD_FILES+=usr/share/terminfo/a/aj510
 OLD_FILES+=usr/share/terminfo/a/aj830
 OLD_FILES+=usr/share/terminfo/a/aj832
 OLD_FILES+=usr/share/terminfo/a/alacritty
 OLD_FILES+=usr/share/terminfo/a/alacritty+common
 OLD_FILES+=usr/share/terminfo/a/alacritty-direct
 OLD_FILES+=usr/share/terminfo/a/alt2
 OLD_FILES+=usr/share/terminfo/a/alt3
 OLD_FILES+=usr/share/terminfo/a/alt4
 OLD_FILES+=usr/share/terminfo/a/alt5
 OLD_FILES+=usr/share/terminfo/a/alt7
 OLD_FILES+=usr/share/terminfo/a/alt7pc
 OLD_FILES+=usr/share/terminfo/a/alto-h19
 OLD_FILES+=usr/share/terminfo/a/alto-heath
 OLD_FILES+=usr/share/terminfo/a/altoh19
 OLD_FILES+=usr/share/terminfo/a/altoheath
 OLD_FILES+=usr/share/terminfo/a/altos-2
 OLD_FILES+=usr/share/terminfo/a/altos-3
 OLD_FILES+=usr/share/terminfo/a/altos-4
 OLD_FILES+=usr/share/terminfo/a/altos-5
 OLD_FILES+=usr/share/terminfo/a/altos2
 OLD_FILES+=usr/share/terminfo/a/altos3
 OLD_FILES+=usr/share/terminfo/a/altos4
 OLD_FILES+=usr/share/terminfo/a/altos5
 OLD_FILES+=usr/share/terminfo/a/altos7
 OLD_FILES+=usr/share/terminfo/a/altos7pc
 OLD_FILES+=usr/share/terminfo/a/ambas
 OLD_FILES+=usr/share/terminfo/a/ambassador
 OLD_FILES+=usr/share/terminfo/a/amiga
 OLD_FILES+=usr/share/terminfo/a/amiga-8bit
 OLD_FILES+=usr/share/terminfo/a/amiga-h
 OLD_FILES+=usr/share/terminfo/a/amiga-vnc
 OLD_FILES+=usr/share/terminfo/a/amp219
 OLD_FILES+=usr/share/terminfo/a/amp219w
 OLD_FILES+=usr/share/terminfo/a/ampex-219
 OLD_FILES+=usr/share/terminfo/a/ampex-219w
 OLD_FILES+=usr/share/terminfo/a/ampex-232
 OLD_FILES+=usr/share/terminfo/a/ampex175
 OLD_FILES+=usr/share/terminfo/a/ampex175-b
 OLD_FILES+=usr/share/terminfo/a/ampex210
 OLD_FILES+=usr/share/terminfo/a/ampex219
 OLD_FILES+=usr/share/terminfo/a/ampex219w
 OLD_FILES+=usr/share/terminfo/a/ampex232
 OLD_FILES+=usr/share/terminfo/a/ampex232w
 OLD_FILES+=usr/share/terminfo/a/ampex80
 OLD_FILES+=usr/share/terminfo/a/annarbor4080
 OLD_FILES+=usr/share/terminfo/a/ansi
 OLD_FILES+=usr/share/terminfo/a/ansi+arrows
 OLD_FILES+=usr/share/terminfo/a/ansi+csr
 OLD_FILES+=usr/share/terminfo/a/ansi+cup
 OLD_FILES+=usr/share/terminfo/a/ansi+enq
 OLD_FILES+=usr/share/terminfo/a/ansi+erase
 OLD_FILES+=usr/share/terminfo/a/ansi+idc
 OLD_FILES+=usr/share/terminfo/a/ansi+idc1
 OLD_FILES+=usr/share/terminfo/a/ansi+idl
 OLD_FILES+=usr/share/terminfo/a/ansi+idl1
 OLD_FILES+=usr/share/terminfo/a/ansi+inittabs
 OLD_FILES+=usr/share/terminfo/a/ansi+local
 OLD_FILES+=usr/share/terminfo/a/ansi+local1
 OLD_FILES+=usr/share/terminfo/a/ansi+pp
 OLD_FILES+=usr/share/terminfo/a/ansi+rca
 OLD_FILES+=usr/share/terminfo/a/ansi+rep
 OLD_FILES+=usr/share/terminfo/a/ansi+sgr
 OLD_FILES+=usr/share/terminfo/a/ansi+sgrbold
 OLD_FILES+=usr/share/terminfo/a/ansi+sgrdim
 OLD_FILES+=usr/share/terminfo/a/ansi+sgrso
 OLD_FILES+=usr/share/terminfo/a/ansi+sgrul
 OLD_FILES+=usr/share/terminfo/a/ansi+tabs
 OLD_FILES+=usr/share/terminfo/a/ansi-color-2-emx
 OLD_FILES+=usr/share/terminfo/a/ansi-color-3-emx
 OLD_FILES+=usr/share/terminfo/a/ansi-emx
 OLD_FILES+=usr/share/terminfo/a/ansi-generic
 OLD_FILES+=usr/share/terminfo/a/ansi-m
 OLD_FILES+=usr/share/terminfo/a/ansi-mini
 OLD_FILES+=usr/share/terminfo/a/ansi-mono
 OLD_FILES+=usr/share/terminfo/a/ansi-mr
 OLD_FILES+=usr/share/terminfo/a/ansi-mtabs
 OLD_FILES+=usr/share/terminfo/a/ansi-nt
 OLD_FILES+=usr/share/terminfo/a/ansi.sys
 OLD_FILES+=usr/share/terminfo/a/ansi.sys-old
 OLD_FILES+=usr/share/terminfo/a/ansi.sysk
 OLD_FILES+=usr/share/terminfo/a/ansi43m
 OLD_FILES+=usr/share/terminfo/a/ansi77
 OLD_FILES+=usr/share/terminfo/a/ansi80x25
 OLD_FILES+=usr/share/terminfo/a/ansi80x25-mono
 OLD_FILES+=usr/share/terminfo/a/ansi80x25-raw
 OLD_FILES+=usr/share/terminfo/a/ansi80x30
 OLD_FILES+=usr/share/terminfo/a/ansi80x30-mono
 OLD_FILES+=usr/share/terminfo/a/ansi80x43
 OLD_FILES+=usr/share/terminfo/a/ansi80x43-mono
 OLD_FILES+=usr/share/terminfo/a/ansi80x50
 OLD_FILES+=usr/share/terminfo/a/ansi80x50-mono
 OLD_FILES+=usr/share/terminfo/a/ansi80x60
 OLD_FILES+=usr/share/terminfo/a/ansi80x60-mono
 OLD_FILES+=usr/share/terminfo/a/ansil
 OLD_FILES+=usr/share/terminfo/a/ansil-mono
 OLD_FILES+=usr/share/terminfo/a/ansis
 OLD_FILES+=usr/share/terminfo/a/ansis-mono
 OLD_FILES+=usr/share/terminfo/a/ansisysk
 OLD_FILES+=usr/share/terminfo/a/ansiterm
 OLD_FILES+=usr/share/terminfo/a/ansiw
 OLD_FILES+=usr/share/terminfo/a/ap-vm80
 OLD_FILES+=usr/share/terminfo/a/apl
 OLD_FILES+=usr/share/terminfo/a/apollo
 OLD_FILES+=usr/share/terminfo/a/apollo_15P
 OLD_FILES+=usr/share/terminfo/a/apollo_19L
 OLD_FILES+=usr/share/terminfo/a/apollo_color
 OLD_FILES+=usr/share/terminfo/a/apple-80
 OLD_FILES+=usr/share/terminfo/a/apple-ae
 OLD_FILES+=usr/share/terminfo/a/apple-soroc
 OLD_FILES+=usr/share/terminfo/a/apple-uterm
 OLD_FILES+=usr/share/terminfo/a/apple-uterm-vb
 OLD_FILES+=usr/share/terminfo/a/apple-videx
 OLD_FILES+=usr/share/terminfo/a/apple-videx2
 OLD_FILES+=usr/share/terminfo/a/apple-videx3
 OLD_FILES+=usr/share/terminfo/a/apple-vm80
 OLD_FILES+=usr/share/terminfo/a/apple2e
 OLD_FILES+=usr/share/terminfo/a/apple2e-p
 OLD_FILES+=usr/share/terminfo/a/apple80p
 OLD_FILES+=usr/share/terminfo/a/appleII
 OLD_FILES+=usr/share/terminfo/a/appleIIc
 OLD_FILES+=usr/share/terminfo/a/appleIIe
 OLD_FILES+=usr/share/terminfo/a/appleIIgs
 OLD_FILES+=usr/share/terminfo/a/arm100
 OLD_FILES+=usr/share/terminfo/a/arm100-am
 OLD_FILES+=usr/share/terminfo/a/arm100-w
 OLD_FILES+=usr/share/terminfo/a/arm100-wam
 OLD_FILES+=usr/share/terminfo/a/at
 OLD_FILES+=usr/share/terminfo/a/at-color
 OLD_FILES+=usr/share/terminfo/a/at-m
 OLD_FILES+=usr/share/terminfo/a/at386
 OLD_FILES+=usr/share/terminfo/a/atari
 OLD_FILES+=usr/share/terminfo/a/atari-color
 OLD_FILES+=usr/share/terminfo/a/atari-m
 OLD_FILES+=usr/share/terminfo/a/atari-old
 OLD_FILES+=usr/share/terminfo/a/atari_st
 OLD_FILES+=usr/share/terminfo/a/atari_st-color
 OLD_FILES+=usr/share/terminfo/a/atarist-m
 OLD_FILES+=usr/share/terminfo/a/aterm
 OLD_FILES+=usr/share/terminfo/a/att2300
 OLD_FILES+=usr/share/terminfo/a/att2350
 OLD_FILES+=usr/share/terminfo/a/att4410
 OLD_FILES+=usr/share/terminfo/a/att4410-w
 OLD_FILES+=usr/share/terminfo/a/att4410v1
 OLD_FILES+=usr/share/terminfo/a/att4410v1-w
 OLD_FILES+=usr/share/terminfo/a/att4415
 OLD_FILES+=usr/share/terminfo/a/att4415+nl
 OLD_FILES+=usr/share/terminfo/a/att4415-nl
 OLD_FILES+=usr/share/terminfo/a/att4415-rv
 OLD_FILES+=usr/share/terminfo/a/att4415-rv-nl
 OLD_FILES+=usr/share/terminfo/a/att4415-w
 OLD_FILES+=usr/share/terminfo/a/att4415-w-nl
 OLD_FILES+=usr/share/terminfo/a/att4415-w-rv
 OLD_FILES+=usr/share/terminfo/a/att4415-w-rv-n
 OLD_FILES+=usr/share/terminfo/a/att4418
 OLD_FILES+=usr/share/terminfo/a/att4418-w
 OLD_FILES+=usr/share/terminfo/a/att4420
 OLD_FILES+=usr/share/terminfo/a/att4424
 OLD_FILES+=usr/share/terminfo/a/att4424-1
 OLD_FILES+=usr/share/terminfo/a/att4424m
 OLD_FILES+=usr/share/terminfo/a/att4425
 OLD_FILES+=usr/share/terminfo/a/att4425-nl
 OLD_FILES+=usr/share/terminfo/a/att4425-w
 OLD_FILES+=usr/share/terminfo/a/att4426
 OLD_FILES+=usr/share/terminfo/a/att500
 OLD_FILES+=usr/share/terminfo/a/att505
 OLD_FILES+=usr/share/terminfo/a/att505-24
 OLD_FILES+=usr/share/terminfo/a/att510a
 OLD_FILES+=usr/share/terminfo/a/att510d
 OLD_FILES+=usr/share/terminfo/a/att513
 OLD_FILES+=usr/share/terminfo/a/att5310
 OLD_FILES+=usr/share/terminfo/a/att5320
 OLD_FILES+=usr/share/terminfo/a/att5410
 OLD_FILES+=usr/share/terminfo/a/att5410-w
 OLD_FILES+=usr/share/terminfo/a/att5410v1
 OLD_FILES+=usr/share/terminfo/a/att5410v1-w
 OLD_FILES+=usr/share/terminfo/a/att5418
 OLD_FILES+=usr/share/terminfo/a/att5418-w
 OLD_FILES+=usr/share/terminfo/a/att5420
 OLD_FILES+=usr/share/terminfo/a/att5420+nl
 OLD_FILES+=usr/share/terminfo/a/att5420-nl
 OLD_FILES+=usr/share/terminfo/a/att5420-rv
 OLD_FILES+=usr/share/terminfo/a/att5420-rv-nl
 OLD_FILES+=usr/share/terminfo/a/att5420-w
 OLD_FILES+=usr/share/terminfo/a/att5420-w-nl
 OLD_FILES+=usr/share/terminfo/a/att5420-w-rv
 OLD_FILES+=usr/share/terminfo/a/att5420-w-rv-n
 OLD_FILES+=usr/share/terminfo/a/att5420_2
 OLD_FILES+=usr/share/terminfo/a/att5420_2-w
 OLD_FILES+=usr/share/terminfo/a/att5425
 OLD_FILES+=usr/share/terminfo/a/att5425-nl
 OLD_FILES+=usr/share/terminfo/a/att5425-w
 OLD_FILES+=usr/share/terminfo/a/att5430
 OLD_FILES+=usr/share/terminfo/a/att5620
 OLD_FILES+=usr/share/terminfo/a/att5620-1
 OLD_FILES+=usr/share/terminfo/a/att5620-24
 OLD_FILES+=usr/share/terminfo/a/att5620-34
 OLD_FILES+=usr/share/terminfo/a/att5620-s
 OLD_FILES+=usr/share/terminfo/a/att605
 OLD_FILES+=usr/share/terminfo/a/att605-pc
 OLD_FILES+=usr/share/terminfo/a/att605-w
 OLD_FILES+=usr/share/terminfo/a/att610
 OLD_FILES+=usr/share/terminfo/a/att610+cvis
 OLD_FILES+=usr/share/terminfo/a/att610+cvis0
 OLD_FILES+=usr/share/terminfo/a/att610-103k
 OLD_FILES+=usr/share/terminfo/a/att610-103k-w
 OLD_FILES+=usr/share/terminfo/a/att610-w
 OLD_FILES+=usr/share/terminfo/a/att615
 OLD_FILES+=usr/share/terminfo/a/att615-103k
 OLD_FILES+=usr/share/terminfo/a/att615-103k-w
 OLD_FILES+=usr/share/terminfo/a/att615-w
 OLD_FILES+=usr/share/terminfo/a/att620
 OLD_FILES+=usr/share/terminfo/a/att620-103k
 OLD_FILES+=usr/share/terminfo/a/att620-103k-w
 OLD_FILES+=usr/share/terminfo/a/att620-w
 OLD_FILES+=usr/share/terminfo/a/att630
 OLD_FILES+=usr/share/terminfo/a/att630-24
 OLD_FILES+=usr/share/terminfo/a/att6386
 OLD_FILES+=usr/share/terminfo/a/att700
 OLD_FILES+=usr/share/terminfo/a/att730
 OLD_FILES+=usr/share/terminfo/a/att730-24
 OLD_FILES+=usr/share/terminfo/a/att730-41
 OLD_FILES+=usr/share/terminfo/a/att7300
 OLD_FILES+=usr/share/terminfo/a/att730r
 OLD_FILES+=usr/share/terminfo/a/att730r-24
 OLD_FILES+=usr/share/terminfo/a/att730r-41
 OLD_FILES+=usr/share/terminfo/a/avatar
 OLD_FILES+=usr/share/terminfo/a/avatar0
 OLD_FILES+=usr/share/terminfo/a/avatar0+
 OLD_FILES+=usr/share/terminfo/a/avatar1
 OLD_FILES+=usr/share/terminfo/a/avt
 OLD_FILES+=usr/share/terminfo/a/avt+s
 OLD_FILES+=usr/share/terminfo/a/avt-ns
 OLD_FILES+=usr/share/terminfo/a/avt-rv
 OLD_FILES+=usr/share/terminfo/a/avt-rv-ns
 OLD_FILES+=usr/share/terminfo/a/avt-rv-s
 OLD_FILES+=usr/share/terminfo/a/avt-s
 OLD_FILES+=usr/share/terminfo/a/avt-w
 OLD_FILES+=usr/share/terminfo/a/avt-w-ns
 OLD_FILES+=usr/share/terminfo/a/avt-w-rv
 OLD_FILES+=usr/share/terminfo/a/avt-w-rv-ns
 OLD_FILES+=usr/share/terminfo/a/avt-w-rv-s
 OLD_FILES+=usr/share/terminfo/a/avt-w-s
 OLD_FILES+=usr/share/terminfo/a/aws
 OLD_FILES+=usr/share/terminfo/a/awsc
 OLD_DIRS+=usr/share/terminfo/a/
 OLD_FILES+=usr/share/terminfo/b/b-128
 OLD_FILES+=usr/share/terminfo/b/bantam
 OLD_FILES+=usr/share/terminfo/b/basic4
 OLD_FILES+=usr/share/terminfo/b/basis
 OLD_FILES+=usr/share/terminfo/b/bct510a
 OLD_FILES+=usr/share/terminfo/b/bct510d
 OLD_FILES+=usr/share/terminfo/b/beacon
 OLD_FILES+=usr/share/terminfo/b/bee
 OLD_FILES+=usr/share/terminfo/b/beehive
 OLD_FILES+=usr/share/terminfo/b/beehive3
 OLD_FILES+=usr/share/terminfo/b/beehive4
 OLD_FILES+=usr/share/terminfo/b/beehiveIIIm
 OLD_FILES+=usr/share/terminfo/b/beterm
 OLD_FILES+=usr/share/terminfo/b/bg1.25
 OLD_FILES+=usr/share/terminfo/b/bg1.25nv
 OLD_FILES+=usr/share/terminfo/b/bg1.25rv
 OLD_FILES+=usr/share/terminfo/b/bg2.0
 OLD_FILES+=usr/share/terminfo/b/bg2.0nv
 OLD_FILES+=usr/share/terminfo/b/bg2.0rv
 OLD_FILES+=usr/share/terminfo/b/bg3.10
 OLD_FILES+=usr/share/terminfo/b/bg3.10nv
 OLD_FILES+=usr/share/terminfo/b/bg3.10rv
 OLD_FILES+=usr/share/terminfo/b/bh3m
 OLD_FILES+=usr/share/terminfo/b/bh4
 OLD_FILES+=usr/share/terminfo/b/bitgraph
 OLD_FILES+=usr/share/terminfo/b/blit
 OLD_FILES+=usr/share/terminfo/b/bobcat
 OLD_FILES+=usr/share/terminfo/b/bq300
 OLD_FILES+=usr/share/terminfo/b/bq300-8
 OLD_FILES+=usr/share/terminfo/b/bq300-8-pc
 OLD_FILES+=usr/share/terminfo/b/bq300-8-pc-rv
 OLD_FILES+=usr/share/terminfo/b/bq300-8-pc-w
 OLD_FILES+=usr/share/terminfo/b/bq300-8-pc-w-rv
 OLD_FILES+=usr/share/terminfo/b/bq300-8rv
 OLD_FILES+=usr/share/terminfo/b/bq300-8w
 OLD_FILES+=usr/share/terminfo/b/bq300-pc
 OLD_FILES+=usr/share/terminfo/b/bq300-pc-rv
 OLD_FILES+=usr/share/terminfo/b/bq300-pc-w
 OLD_FILES+=usr/share/terminfo/b/bq300-pc-w-rv
 OLD_FILES+=usr/share/terminfo/b/bq300-rv
 OLD_FILES+=usr/share/terminfo/b/bq300-w
 OLD_FILES+=usr/share/terminfo/b/bq300-w-8rv
 OLD_FILES+=usr/share/terminfo/b/bq300-w-rv
 OLD_FILES+=usr/share/terminfo/b/bsdos-pc
 OLD_FILES+=usr/share/terminfo/b/bsdos-pc-m
 OLD_FILES+=usr/share/terminfo/b/bsdos-pc-mono
 OLD_FILES+=usr/share/terminfo/b/bsdos-pc-nobold
 OLD_FILES+=usr/share/terminfo/b/bsdos-ppc
 OLD_FILES+=usr/share/terminfo/b/bsdos-sparc
 OLD_FILES+=usr/share/terminfo/b/bterm
 OLD_DIRS+=usr/share/terminfo/b/
 OLD_FILES+=usr/share/terminfo/c/c100
 OLD_FILES+=usr/share/terminfo/c/c100-1p
 OLD_FILES+=usr/share/terminfo/c/c100-4p
 OLD_FILES+=usr/share/terminfo/c/c100-rv
 OLD_FILES+=usr/share/terminfo/c/c100-rv-4p
 OLD_FILES+=usr/share/terminfo/c/c104
 OLD_FILES+=usr/share/terminfo/c/c108
 OLD_FILES+=usr/share/terminfo/c/c108-4p
 OLD_FILES+=usr/share/terminfo/c/c108-8p
 OLD_FILES+=usr/share/terminfo/c/c108-rv
 OLD_FILES+=usr/share/terminfo/c/c108-rv-4p
 OLD_FILES+=usr/share/terminfo/c/c108-rv-8p
 OLD_FILES+=usr/share/terminfo/c/c108-w
 OLD_FILES+=usr/share/terminfo/c/c108-w-8p
 OLD_FILES+=usr/share/terminfo/c/c300
 OLD_FILES+=usr/share/terminfo/c/c301
 OLD_FILES+=usr/share/terminfo/c/c321
 OLD_FILES+=usr/share/terminfo/c/ca22851
 OLD_FILES+=usr/share/terminfo/c/cad68-2
 OLD_FILES+=usr/share/terminfo/c/cad68-3
 OLD_FILES+=usr/share/terminfo/c/cbblit
 OLD_FILES+=usr/share/terminfo/c/cbunix
 OLD_FILES+=usr/share/terminfo/c/cci
 OLD_FILES+=usr/share/terminfo/c/cci1
 OLD_FILES+=usr/share/terminfo/c/cdc456
 OLD_FILES+=usr/share/terminfo/c/cdc721
 OLD_FILES+=usr/share/terminfo/c/cdc721-esc
 OLD_FILES+=usr/share/terminfo/c/cdc721ll
 OLD_FILES+=usr/share/terminfo/c/cdc752
 OLD_FILES+=usr/share/terminfo/c/cdc756
 OLD_FILES+=usr/share/terminfo/c/cg7900
 OLD_FILES+=usr/share/terminfo/c/cgc2
 OLD_FILES+=usr/share/terminfo/c/cgc3
 OLD_FILES+=usr/share/terminfo/c/chromatics
 OLD_FILES+=usr/share/terminfo/c/ci8510
 OLD_FILES+=usr/share/terminfo/c/cit-80
 OLD_FILES+=usr/share/terminfo/c/cit101
 OLD_FILES+=usr/share/terminfo/c/cit101e
 OLD_FILES+=usr/share/terminfo/c/cit101e-132
 OLD_FILES+=usr/share/terminfo/c/cit101e-n
 OLD_FILES+=usr/share/terminfo/c/cit101e-n132
 OLD_FILES+=usr/share/terminfo/c/cit101e-rv
 OLD_FILES+=usr/share/terminfo/c/cit500
 OLD_FILES+=usr/share/terminfo/c/cit80
 OLD_FILES+=usr/share/terminfo/c/citc
 OLD_FILES+=usr/share/terminfo/c/citoh
 OLD_FILES+=usr/share/terminfo/c/citoh-6lpi
 OLD_FILES+=usr/share/terminfo/c/citoh-8lpi
 OLD_FILES+=usr/share/terminfo/c/citoh-comp
 OLD_FILES+=usr/share/terminfo/c/citoh-elite
 OLD_FILES+=usr/share/terminfo/c/citoh-pica
 OLD_FILES+=usr/share/terminfo/c/citoh-prop
 OLD_FILES+=usr/share/terminfo/c/citoh-ps
 OLD_FILES+=usr/share/terminfo/c/coco3
 OLD_FILES+=usr/share/terminfo/c/coherent
 OLD_FILES+=usr/share/terminfo/c/color_xterm
 OLD_FILES+=usr/share/terminfo/c/colorscan
 OLD_FILES+=usr/share/terminfo/c/commodore
 OLD_FILES+=usr/share/terminfo/c/concept
 OLD_FILES+=usr/share/terminfo/c/concept-avt
 OLD_FILES+=usr/share/terminfo/c/concept100
 OLD_FILES+=usr/share/terminfo/c/concept100-rv
 OLD_FILES+=usr/share/terminfo/c/concept108
 OLD_FILES+=usr/share/terminfo/c/concept108-4p
 OLD_FILES+=usr/share/terminfo/c/concept108-8p
 OLD_FILES+=usr/share/terminfo/c/concept108-w-8
 OLD_FILES+=usr/share/terminfo/c/concept108-w8p
 OLD_FILES+=usr/share/terminfo/c/concept108rv4p
 OLD_FILES+=usr/share/terminfo/c/cons25
 OLD_FILES+=usr/share/terminfo/c/cons25-debian
 OLD_FILES+=usr/share/terminfo/c/cons25-iso-m
 OLD_FILES+=usr/share/terminfo/c/cons25-iso8859
 OLD_FILES+=usr/share/terminfo/c/cons25-koi8-r
 OLD_FILES+=usr/share/terminfo/c/cons25-koi8r-m
 OLD_FILES+=usr/share/terminfo/c/cons25-m
 OLD_FILES+=usr/share/terminfo/c/cons25l1
 OLD_FILES+=usr/share/terminfo/c/cons25l1-m
 OLD_FILES+=usr/share/terminfo/c/cons25r
 OLD_FILES+=usr/share/terminfo/c/cons25r-m
 OLD_FILES+=usr/share/terminfo/c/cons25w
 OLD_FILES+=usr/share/terminfo/c/cons30
 OLD_FILES+=usr/share/terminfo/c/cons30-m
 OLD_FILES+=usr/share/terminfo/c/cons43
 OLD_FILES+=usr/share/terminfo/c/cons43-m
 OLD_FILES+=usr/share/terminfo/c/cons50
 OLD_FILES+=usr/share/terminfo/c/cons50-iso-m
 OLD_FILES+=usr/share/terminfo/c/cons50-iso8859
 OLD_FILES+=usr/share/terminfo/c/cons50-koi8r
 OLD_FILES+=usr/share/terminfo/c/cons50-koi8r-m
 OLD_FILES+=usr/share/terminfo/c/cons50-m
 OLD_FILES+=usr/share/terminfo/c/cons50l1
 OLD_FILES+=usr/share/terminfo/c/cons50l1-m
 OLD_FILES+=usr/share/terminfo/c/cons50r
 OLD_FILES+=usr/share/terminfo/c/cons50r-m
 OLD_FILES+=usr/share/terminfo/c/cons60
 OLD_FILES+=usr/share/terminfo/c/cons60-iso
 OLD_FILES+=usr/share/terminfo/c/cons60-iso-m
 OLD_FILES+=usr/share/terminfo/c/cons60-koi8r
 OLD_FILES+=usr/share/terminfo/c/cons60-koi8r-m
 OLD_FILES+=usr/share/terminfo/c/cons60-m
 OLD_FILES+=usr/share/terminfo/c/cons60l1
 OLD_FILES+=usr/share/terminfo/c/cons60l1-m
 OLD_FILES+=usr/share/terminfo/c/cons60r
 OLD_FILES+=usr/share/terminfo/c/cons60r-m
 OLD_FILES+=usr/share/terminfo/c/contel300
 OLD_FILES+=usr/share/terminfo/c/contel301
 OLD_FILES+=usr/share/terminfo/c/contel320
 OLD_FILES+=usr/share/terminfo/c/contel321
 OLD_FILES+=usr/share/terminfo/c/cops
 OLD_FILES+=usr/share/terminfo/c/cops-10
 OLD_FILES+=usr/share/terminfo/c/cops10
 OLD_FILES+=usr/share/terminfo/c/crt
 OLD_FILES+=usr/share/terminfo/c/crt-vt220
 OLD_FILES+=usr/share/terminfo/c/cs10
 OLD_FILES+=usr/share/terminfo/c/cs10-w
 OLD_FILES+=usr/share/terminfo/c/ct82
 OLD_FILES+=usr/share/terminfo/c/ct8500
 OLD_FILES+=usr/share/terminfo/c/ctrm
 OLD_FILES+=usr/share/terminfo/c/cx
 OLD_FILES+=usr/share/terminfo/c/cx100
 OLD_FILES+=usr/share/terminfo/c/cyb110
 OLD_FILES+=usr/share/terminfo/c/cyb83
 OLD_FILES+=usr/share/terminfo/c/cygwin
 OLD_FILES+=usr/share/terminfo/c/cygwinB19
 OLD_FILES+=usr/share/terminfo/c/cygwinDBG
 OLD_DIRS+=usr/share/terminfo/c/
 OLD_FILES+=usr/share/terminfo/d/d132
 OLD_FILES+=usr/share/terminfo/d/d2
 OLD_FILES+=usr/share/terminfo/d/d2-dg
 OLD_FILES+=usr/share/terminfo/d/d200
 OLD_FILES+=usr/share/terminfo/d/d200-dg
 OLD_FILES+=usr/share/terminfo/d/d210
 OLD_FILES+=usr/share/terminfo/d/d210-dg
 OLD_FILES+=usr/share/terminfo/d/d211
 OLD_FILES+=usr/share/terminfo/d/d211-7b
 OLD_FILES+=usr/share/terminfo/d/d211-dg
 OLD_FILES+=usr/share/terminfo/d/d214
 OLD_FILES+=usr/share/terminfo/d/d214-dg
 OLD_FILES+=usr/share/terminfo/d/d215
 OLD_FILES+=usr/share/terminfo/d/d215-7b
 OLD_FILES+=usr/share/terminfo/d/d215-dg
 OLD_FILES+=usr/share/terminfo/d/d216+
 OLD_FILES+=usr/share/terminfo/d/d216+25
 OLD_FILES+=usr/share/terminfo/d/d216+dg
 OLD_FILES+=usr/share/terminfo/d/d216-dg
 OLD_FILES+=usr/share/terminfo/d/d216-unix
 OLD_FILES+=usr/share/terminfo/d/d216-unix-25
 OLD_FILES+=usr/share/terminfo/d/d216e+
 OLD_FILES+=usr/share/terminfo/d/d216e+dg
 OLD_FILES+=usr/share/terminfo/d/d216e-dg
 OLD_FILES+=usr/share/terminfo/d/d216e-unix
 OLD_FILES+=usr/share/terminfo/d/d217-dg
 OLD_FILES+=usr/share/terminfo/d/d217-unix
 OLD_FILES+=usr/share/terminfo/d/d217-unix-25
 OLD_FILES+=usr/share/terminfo/d/d220
 OLD_FILES+=usr/share/terminfo/d/d220-7b
 OLD_FILES+=usr/share/terminfo/d/d220-dg
 OLD_FILES+=usr/share/terminfo/d/d230
 OLD_FILES+=usr/share/terminfo/d/d230-dg
 OLD_FILES+=usr/share/terminfo/d/d230c
 OLD_FILES+=usr/share/terminfo/d/d230c-dg
 OLD_FILES+=usr/share/terminfo/d/d400
 OLD_FILES+=usr/share/terminfo/d/d400-dg
 OLD_FILES+=usr/share/terminfo/d/d410
 OLD_FILES+=usr/share/terminfo/d/d410-7b
 OLD_FILES+=usr/share/terminfo/d/d410-7b-w
 OLD_FILES+=usr/share/terminfo/d/d410-dg
 OLD_FILES+=usr/share/terminfo/d/d410-w
 OLD_FILES+=usr/share/terminfo/d/d411
 OLD_FILES+=usr/share/terminfo/d/d411-7b
 OLD_FILES+=usr/share/terminfo/d/d411-7b-w
 OLD_FILES+=usr/share/terminfo/d/d411-dg
 OLD_FILES+=usr/share/terminfo/d/d411-w
 OLD_FILES+=usr/share/terminfo/d/d412+
 OLD_FILES+=usr/share/terminfo/d/d412+25
 OLD_FILES+=usr/share/terminfo/d/d412+dg
 OLD_FILES+=usr/share/terminfo/d/d412+s
 OLD_FILES+=usr/share/terminfo/d/d412+sr
 OLD_FILES+=usr/share/terminfo/d/d412+w
 OLD_FILES+=usr/share/terminfo/d/d412-dg
 OLD_FILES+=usr/share/terminfo/d/d412-unix
 OLD_FILES+=usr/share/terminfo/d/d412-unix-25
 OLD_FILES+=usr/share/terminfo/d/d412-unix-s
 OLD_FILES+=usr/share/terminfo/d/d412-unix-sr
 OLD_FILES+=usr/share/terminfo/d/d412-unix-w
 OLD_FILES+=usr/share/terminfo/d/d413-dg
 OLD_FILES+=usr/share/terminfo/d/d413-unix
 OLD_FILES+=usr/share/terminfo/d/d413-unix-25
 OLD_FILES+=usr/share/terminfo/d/d413-unix-s
 OLD_FILES+=usr/share/terminfo/d/d413-unix-sr
 OLD_FILES+=usr/share/terminfo/d/d413-unix-w
 OLD_FILES+=usr/share/terminfo/d/d414-unix
 OLD_FILES+=usr/share/terminfo/d/d414-unix-25
 OLD_FILES+=usr/share/terminfo/d/d414-unix-s
 OLD_FILES+=usr/share/terminfo/d/d414-unix-sr
 OLD_FILES+=usr/share/terminfo/d/d414-unix-w
 OLD_FILES+=usr/share/terminfo/d/d430-dg
 OLD_FILES+=usr/share/terminfo/d/d430-dg-ccc
 OLD_FILES+=usr/share/terminfo/d/d430-unix
 OLD_FILES+=usr/share/terminfo/d/d430-unix-25
 OLD_FILES+=usr/share/terminfo/d/d430-unix-25-ccc
 OLD_FILES+=usr/share/terminfo/d/d430-unix-ccc
 OLD_FILES+=usr/share/terminfo/d/d430-unix-s
 OLD_FILES+=usr/share/terminfo/d/d430-unix-s-ccc
 OLD_FILES+=usr/share/terminfo/d/d430-unix-sr
 OLD_FILES+=usr/share/terminfo/d/d430-unix-sr-ccc
 OLD_FILES+=usr/share/terminfo/d/d430-unix-w
 OLD_FILES+=usr/share/terminfo/d/d430-unix-w-ccc
 OLD_FILES+=usr/share/terminfo/d/d430c-dg
 OLD_FILES+=usr/share/terminfo/d/d430c-dg-ccc
 OLD_FILES+=usr/share/terminfo/d/d430c-unix
 OLD_FILES+=usr/share/terminfo/d/d430c-unix-25
 OLD_FILES+=usr/share/terminfo/d/d430c-unix-25-ccc
 OLD_FILES+=usr/share/terminfo/d/d430c-unix-ccc
 OLD_FILES+=usr/share/terminfo/d/d430c-unix-s
 OLD_FILES+=usr/share/terminfo/d/d430c-unix-s-ccc
 OLD_FILES+=usr/share/terminfo/d/d430c-unix-sr
 OLD_FILES+=usr/share/terminfo/d/d430c-unix-sr-ccc
 OLD_FILES+=usr/share/terminfo/d/d430c-unix-w
 OLD_FILES+=usr/share/terminfo/d/d430c-unix-w-ccc
 OLD_FILES+=usr/share/terminfo/d/d450
 OLD_FILES+=usr/share/terminfo/d/d450-dg
 OLD_FILES+=usr/share/terminfo/d/d460
 OLD_FILES+=usr/share/terminfo/d/d460-7b
 OLD_FILES+=usr/share/terminfo/d/d460-7b-w
 OLD_FILES+=usr/share/terminfo/d/d460-dg
 OLD_FILES+=usr/share/terminfo/d/d460-w
 OLD_FILES+=usr/share/terminfo/d/d461
 OLD_FILES+=usr/share/terminfo/d/d461-7b
 OLD_FILES+=usr/share/terminfo/d/d461-7b-w
 OLD_FILES+=usr/share/terminfo/d/d461-dg
 OLD_FILES+=usr/share/terminfo/d/d461-w
 OLD_FILES+=usr/share/terminfo/d/d462+
 OLD_FILES+=usr/share/terminfo/d/d462+25
 OLD_FILES+=usr/share/terminfo/d/d462+dg
 OLD_FILES+=usr/share/terminfo/d/d462+s
 OLD_FILES+=usr/share/terminfo/d/d462+sr
 OLD_FILES+=usr/share/terminfo/d/d462+w
 OLD_FILES+=usr/share/terminfo/d/d462-dg
 OLD_FILES+=usr/share/terminfo/d/d462-unix
 OLD_FILES+=usr/share/terminfo/d/d462-unix-25
 OLD_FILES+=usr/share/terminfo/d/d462-unix-s
 OLD_FILES+=usr/share/terminfo/d/d462-unix-sr
 OLD_FILES+=usr/share/terminfo/d/d462-unix-w
 OLD_FILES+=usr/share/terminfo/d/d462e-dg
 OLD_FILES+=usr/share/terminfo/d/d463-dg
 OLD_FILES+=usr/share/terminfo/d/d463-unix
 OLD_FILES+=usr/share/terminfo/d/d463-unix-25
 OLD_FILES+=usr/share/terminfo/d/d463-unix-s
 OLD_FILES+=usr/share/terminfo/d/d463-unix-sr
 OLD_FILES+=usr/share/terminfo/d/d463-unix-w
 OLD_FILES+=usr/share/terminfo/d/d464-unix
 OLD_FILES+=usr/share/terminfo/d/d464-unix-25
 OLD_FILES+=usr/share/terminfo/d/d464-unix-s
 OLD_FILES+=usr/share/terminfo/d/d464-unix-sr
 OLD_FILES+=usr/share/terminfo/d/d464-unix-w
 OLD_FILES+=usr/share/terminfo/d/d470
 OLD_FILES+=usr/share/terminfo/d/d470-7b
 OLD_FILES+=usr/share/terminfo/d/d470-dg
 OLD_FILES+=usr/share/terminfo/d/d470c
 OLD_FILES+=usr/share/terminfo/d/d470c-7b
 OLD_FILES+=usr/share/terminfo/d/d470c-dg
 OLD_FILES+=usr/share/terminfo/d/d555
 OLD_FILES+=usr/share/terminfo/d/d555-7b
 OLD_FILES+=usr/share/terminfo/d/d555-7b-w
 OLD_FILES+=usr/share/terminfo/d/d555-dg
 OLD_FILES+=usr/share/terminfo/d/d555-w
 OLD_FILES+=usr/share/terminfo/d/d577
 OLD_FILES+=usr/share/terminfo/d/d577-7b
 OLD_FILES+=usr/share/terminfo/d/d577-7b-w
 OLD_FILES+=usr/share/terminfo/d/d577-dg
 OLD_FILES+=usr/share/terminfo/d/d577-w
 OLD_FILES+=usr/share/terminfo/d/d578
 OLD_FILES+=usr/share/terminfo/d/d578-7b
 OLD_FILES+=usr/share/terminfo/d/d578-dg
 OLD_FILES+=usr/share/terminfo/d/d80
 OLD_FILES+=usr/share/terminfo/d/d800
 OLD_FILES+=usr/share/terminfo/d/darwin
 OLD_FILES+=usr/share/terminfo/d/darwin-100x37
 OLD_FILES+=usr/share/terminfo/d/darwin-100x37-m
 OLD_FILES+=usr/share/terminfo/d/darwin-112x37
 OLD_FILES+=usr/share/terminfo/d/darwin-112x37-m
 OLD_FILES+=usr/share/terminfo/d/darwin-128x40
 OLD_FILES+=usr/share/terminfo/d/darwin-128x40-m
 OLD_FILES+=usr/share/terminfo/d/darwin-128x48
 OLD_FILES+=usr/share/terminfo/d/darwin-128x48-m
 OLD_FILES+=usr/share/terminfo/d/darwin-144x48
 OLD_FILES+=usr/share/terminfo/d/darwin-144x48-m
 OLD_FILES+=usr/share/terminfo/d/darwin-160x64
 OLD_FILES+=usr/share/terminfo/d/darwin-160x64-m
 OLD_FILES+=usr/share/terminfo/d/darwin-200x64
 OLD_FILES+=usr/share/terminfo/d/darwin-200x64-m
 OLD_FILES+=usr/share/terminfo/d/darwin-200x75
 OLD_FILES+=usr/share/terminfo/d/darwin-200x75-m
 OLD_FILES+=usr/share/terminfo/d/darwin-256x96
 OLD_FILES+=usr/share/terminfo/d/darwin-256x96-m
 OLD_FILES+=usr/share/terminfo/d/darwin-80x25
 OLD_FILES+=usr/share/terminfo/d/darwin-80x25-m
 OLD_FILES+=usr/share/terminfo/d/darwin-80x30
 OLD_FILES+=usr/share/terminfo/d/darwin-80x30-m
 OLD_FILES+=usr/share/terminfo/d/darwin-90x30
 OLD_FILES+=usr/share/terminfo/d/darwin-90x30-m
 OLD_FILES+=usr/share/terminfo/d/darwin-b
 OLD_FILES+=usr/share/terminfo/d/darwin-f
 OLD_FILES+=usr/share/terminfo/d/darwin-f2
 OLD_FILES+=usr/share/terminfo/d/darwin-m
 OLD_FILES+=usr/share/terminfo/d/darwin-m-b
 OLD_FILES+=usr/share/terminfo/d/darwin-m-f
 OLD_FILES+=usr/share/terminfo/d/darwin-m-f2
 OLD_FILES+=usr/share/terminfo/d/datagraphix
 OLD_FILES+=usr/share/terminfo/d/datamedia2500
 OLD_FILES+=usr/share/terminfo/d/datapoint
 OLD_FILES+=usr/share/terminfo/d/dataspeed40
 OLD_FILES+=usr/share/terminfo/d/dd5000
 OLD_FILES+=usr/share/terminfo/d/ddr
 OLD_FILES+=usr/share/terminfo/d/ddr3180
 OLD_FILES+=usr/share/terminfo/d/dec+pp
 OLD_FILES+=usr/share/terminfo/d/dec+sl
 OLD_FILES+=usr/share/terminfo/d/dec-vt100
 OLD_FILES+=usr/share/terminfo/d/dec-vt220
 OLD_FILES+=usr/share/terminfo/d/dec-vt330
 OLD_FILES+=usr/share/terminfo/d/dec-vt340
 OLD_FILES+=usr/share/terminfo/d/dec-vt400
 OLD_FILES+=usr/share/terminfo/d/decansi
 OLD_FILES+=usr/share/terminfo/d/decpro
 OLD_FILES+=usr/share/terminfo/d/decwriter
 OLD_FILES+=usr/share/terminfo/d/delta
 OLD_FILES+=usr/share/terminfo/d/dg+ccc
 OLD_FILES+=usr/share/terminfo/d/dg+color
 OLD_FILES+=usr/share/terminfo/d/dg+color8
 OLD_FILES+=usr/share/terminfo/d/dg+fixed
 OLD_FILES+=usr/share/terminfo/d/dg-ansi
 OLD_FILES+=usr/share/terminfo/d/dg-generic
 OLD_FILES+=usr/share/terminfo/d/dg100
 OLD_FILES+=usr/share/terminfo/d/dg200
 OLD_FILES+=usr/share/terminfo/d/dg210
 OLD_FILES+=usr/share/terminfo/d/dg211
 OLD_FILES+=usr/share/terminfo/d/dg450
 OLD_FILES+=usr/share/terminfo/d/dg460-ansi
 OLD_FILES+=usr/share/terminfo/d/dg6053
 OLD_FILES+=usr/share/terminfo/d/dg6053-old
 OLD_FILES+=usr/share/terminfo/d/dg605x
 OLD_FILES+=usr/share/terminfo/d/dg6134
 OLD_FILES+=usr/share/terminfo/d/dgkeys+11
 OLD_FILES+=usr/share/terminfo/d/dgkeys+15
 OLD_FILES+=usr/share/terminfo/d/dgkeys+7b
 OLD_FILES+=usr/share/terminfo/d/dgkeys+8b
 OLD_FILES+=usr/share/terminfo/d/dgmode+color
 OLD_FILES+=usr/share/terminfo/d/dgmode+color8
 OLD_FILES+=usr/share/terminfo/d/dgunix+ccc
 OLD_FILES+=usr/share/terminfo/d/dgunix+fixed
 OLD_FILES+=usr/share/terminfo/d/diablo
 OLD_FILES+=usr/share/terminfo/d/diablo-lm
 OLD_FILES+=usr/share/terminfo/d/diablo1620
 OLD_FILES+=usr/share/terminfo/d/diablo1620-m8
 OLD_FILES+=usr/share/terminfo/d/diablo1640
 OLD_FILES+=usr/share/terminfo/d/diablo1640-lm
 OLD_FILES+=usr/share/terminfo/d/diablo1640-m8
 OLD_FILES+=usr/share/terminfo/d/diablo1720
 OLD_FILES+=usr/share/terminfo/d/diablo1730
 OLD_FILES+=usr/share/terminfo/d/diablo1740
 OLD_FILES+=usr/share/terminfo/d/diablo1740-lm
 OLD_FILES+=usr/share/terminfo/d/diablo450
 OLD_FILES+=usr/share/terminfo/d/diablo630
 OLD_FILES+=usr/share/terminfo/d/dialogue
 OLD_FILES+=usr/share/terminfo/d/dialogue80
 OLD_FILES+=usr/share/terminfo/d/digilog
 OLD_FILES+=usr/share/terminfo/d/djgpp
 OLD_FILES+=usr/share/terminfo/d/djgpp203
 OLD_FILES+=usr/share/terminfo/d/djgpp204
 OLD_FILES+=usr/share/terminfo/d/dku7003
 OLD_FILES+=usr/share/terminfo/d/dku7003-dumb
 OLD_FILES+=usr/share/terminfo/d/dku7102
 OLD_FILES+=usr/share/terminfo/d/dku7102-old
 OLD_FILES+=usr/share/terminfo/d/dku7102-sna
 OLD_FILES+=usr/share/terminfo/d/dku7103-sna
 OLD_FILES+=usr/share/terminfo/d/dku7202
 OLD_FILES+=usr/share/terminfo/d/dm1520
 OLD_FILES+=usr/share/terminfo/d/dm1521
 OLD_FILES+=usr/share/terminfo/d/dm2500
 OLD_FILES+=usr/share/terminfo/d/dm3025
 OLD_FILES+=usr/share/terminfo/d/dm3045
 OLD_FILES+=usr/share/terminfo/d/dm80
 OLD_FILES+=usr/share/terminfo/d/dm80w
 OLD_FILES+=usr/share/terminfo/d/dmchat
 OLD_FILES+=usr/share/terminfo/d/dmd
 OLD_FILES+=usr/share/terminfo/d/dmd-24
 OLD_FILES+=usr/share/terminfo/d/dmd-34
 OLD_FILES+=usr/share/terminfo/d/dmd1
 OLD_FILES+=usr/share/terminfo/d/dmdt80
 OLD_FILES+=usr/share/terminfo/d/dmdt80w
 OLD_FILES+=usr/share/terminfo/d/dmterm
 OLD_FILES+=usr/share/terminfo/d/domterm
 OLD_FILES+=usr/share/terminfo/d/dp3360
 OLD_FILES+=usr/share/terminfo/d/dp8242
 OLD_FILES+=usr/share/terminfo/d/ds40
 OLD_FILES+=usr/share/terminfo/d/ds40-2
 OLD_FILES+=usr/share/terminfo/d/dt-100
 OLD_FILES+=usr/share/terminfo/d/dt-100w
 OLD_FILES+=usr/share/terminfo/d/dt100
 OLD_FILES+=usr/share/terminfo/d/dt100w
 OLD_FILES+=usr/share/terminfo/d/dt110
 OLD_FILES+=usr/share/terminfo/d/dt80
 OLD_FILES+=usr/share/terminfo/d/dt80-sas
 OLD_FILES+=usr/share/terminfo/d/dt80w
 OLD_FILES+=usr/share/terminfo/d/dtc300s
 OLD_FILES+=usr/share/terminfo/d/dtc382
 OLD_FILES+=usr/share/terminfo/d/dtterm
 OLD_FILES+=usr/share/terminfo/d/dumb
 OLD_FILES+=usr/share/terminfo/d/dumb-emacs-ansi
 OLD_FILES+=usr/share/terminfo/d/dvtm
 OLD_FILES+=usr/share/terminfo/d/dvtm-256color
 OLD_FILES+=usr/share/terminfo/d/dw
 OLD_FILES+=usr/share/terminfo/d/dw1
 OLD_FILES+=usr/share/terminfo/d/dw2
 OLD_FILES+=usr/share/terminfo/d/dw3
 OLD_FILES+=usr/share/terminfo/d/dw4
 OLD_FILES+=usr/share/terminfo/d/dwk
 OLD_FILES+=usr/share/terminfo/d/dwk-vt
 OLD_DIRS+=usr/share/terminfo/d/
 OLD_FILES+=usr/share/terminfo/e/ecma+color
 OLD_FILES+=usr/share/terminfo/e/ecma+index
 OLD_FILES+=usr/share/terminfo/e/ecma+italics
 OLD_FILES+=usr/share/terminfo/e/ecma+sgr
 OLD_FILES+=usr/share/terminfo/e/ecma+strikeout
 OLD_FILES+=usr/share/terminfo/e/elks
 OLD_FILES+=usr/share/terminfo/e/elks-ansi
 OLD_FILES+=usr/share/terminfo/e/elks-glasstty
 OLD_FILES+=usr/share/terminfo/e/elks-vt52
 OLD_FILES+=usr/share/terminfo/e/emots
 OLD_FILES+=usr/share/terminfo/e/emu
 OLD_FILES+=usr/share/terminfo/e/emu-220
 OLD_FILES+=usr/share/terminfo/e/emx-base
 OLD_FILES+=usr/share/terminfo/e/env230
 OLD_FILES+=usr/share/terminfo/e/envision230
 OLD_FILES+=usr/share/terminfo/e/ep40
 OLD_FILES+=usr/share/terminfo/e/ep4000
 OLD_FILES+=usr/share/terminfo/e/ep4080
 OLD_FILES+=usr/share/terminfo/e/ep48
 OLD_FILES+=usr/share/terminfo/e/ergo4000
 OLD_FILES+=usr/share/terminfo/e/esprit
 OLD_FILES+=usr/share/terminfo/e/esprit-am
 OLD_FILES+=usr/share/terminfo/e/eterm
 OLD_FILES+=usr/share/terminfo/e/eterm-color
 OLD_FILES+=usr/share/terminfo/e/ex155
 OLD_FILES+=usr/share/terminfo/e/excel62
 OLD_FILES+=usr/share/terminfo/e/excel62-rv
 OLD_FILES+=usr/share/terminfo/e/excel62-w
 OLD_FILES+=usr/share/terminfo/e/excel64
 OLD_FILES+=usr/share/terminfo/e/excel64-rv
 OLD_FILES+=usr/share/terminfo/e/excel64-w
 OLD_FILES+=usr/share/terminfo/e/exec80
 OLD_DIRS+=usr/share/terminfo/e/
 OLD_FILES+=usr/share/terminfo/f/f100
 OLD_FILES+=usr/share/terminfo/f/f100-rv
 OLD_FILES+=usr/share/terminfo/f/f110
 OLD_FILES+=usr/share/terminfo/f/f110-14
 OLD_FILES+=usr/share/terminfo/f/f110-14w
 OLD_FILES+=usr/share/terminfo/f/f110-w
 OLD_FILES+=usr/share/terminfo/f/f1720
 OLD_FILES+=usr/share/terminfo/f/f1720a
 OLD_FILES+=usr/share/terminfo/f/f200
 OLD_FILES+=usr/share/terminfo/f/f200-w
 OLD_FILES+=usr/share/terminfo/f/f200vi
 OLD_FILES+=usr/share/terminfo/f/f200vi-w
 OLD_FILES+=usr/share/terminfo/f/falco
 OLD_FILES+=usr/share/terminfo/f/falco-p
 OLD_FILES+=usr/share/terminfo/f/fbterm
 OLD_FILES+=usr/share/terminfo/f/fenix
 OLD_FILES+=usr/share/terminfo/f/fenixw
 OLD_FILES+=usr/share/terminfo/f/fixterm
 OLD_FILES+=usr/share/terminfo/f/fortune
 OLD_FILES+=usr/share/terminfo/f/fos
 OLD_FILES+=usr/share/terminfo/f/fox
 OLD_FILES+=usr/share/terminfo/f/freedom
 OLD_FILES+=usr/share/terminfo/f/freedom-rv
 OLD_FILES+=usr/share/terminfo/f/freedom100
 OLD_FILES+=usr/share/terminfo/f/freedom110
 OLD_FILES+=usr/share/terminfo/f/freedom200
 OLD_DIRS+=usr/share/terminfo/f/
 OLD_FILES+=usr/share/terminfo/g/gator
 OLD_FILES+=usr/share/terminfo/g/gator-52
 OLD_FILES+=usr/share/terminfo/g/gator-52t
 OLD_FILES+=usr/share/terminfo/g/gator-t
 OLD_FILES+=usr/share/terminfo/g/gigi
 OLD_FILES+=usr/share/terminfo/g/glasstty
 OLD_FILES+=usr/share/terminfo/g/gnome
 OLD_FILES+=usr/share/terminfo/g/gnome+pcfkeys
 OLD_FILES+=usr/share/terminfo/g/gnome-2007
 OLD_FILES+=usr/share/terminfo/g/gnome-2008
 OLD_FILES+=usr/share/terminfo/g/gnome-2012
 OLD_FILES+=usr/share/terminfo/g/gnome-256color
 OLD_FILES+=usr/share/terminfo/g/gnome-fc5
 OLD_FILES+=usr/share/terminfo/g/gnome-rh62
 OLD_FILES+=usr/share/terminfo/g/gnome-rh72
 OLD_FILES+=usr/share/terminfo/g/gnome-rh80
 OLD_FILES+=usr/share/terminfo/g/gnome-rh90
 OLD_FILES+=usr/share/terminfo/g/go-225
 OLD_FILES+=usr/share/terminfo/g/go140
 OLD_FILES+=usr/share/terminfo/g/go140w
 OLD_FILES+=usr/share/terminfo/g/go225
 OLD_FILES+=usr/share/terminfo/g/graphos
 OLD_FILES+=usr/share/terminfo/g/graphos-30
 OLD_FILES+=usr/share/terminfo/g/gs5430
 OLD_FILES+=usr/share/terminfo/g/gs5430-22
 OLD_FILES+=usr/share/terminfo/g/gs5430-24
 OLD_FILES+=usr/share/terminfo/g/gs6300
 OLD_FILES+=usr/share/terminfo/g/gsi
 OLD_FILES+=usr/share/terminfo/g/gt100
 OLD_FILES+=usr/share/terminfo/g/gt100a
 OLD_FILES+=usr/share/terminfo/g/gt40
 OLD_FILES+=usr/share/terminfo/g/gt42
 OLD_FILES+=usr/share/terminfo/g/guru
 OLD_FILES+=usr/share/terminfo/g/guru+rv
 OLD_FILES+=usr/share/terminfo/g/guru+s
 OLD_FILES+=usr/share/terminfo/g/guru+unk
 OLD_FILES+=usr/share/terminfo/g/guru-24
 OLD_FILES+=usr/share/terminfo/g/guru-33
 OLD_FILES+=usr/share/terminfo/g/guru-33-rv
 OLD_FILES+=usr/share/terminfo/g/guru-33-s
 OLD_FILES+=usr/share/terminfo/g/guru-44
 OLD_FILES+=usr/share/terminfo/g/guru-44-s
 OLD_FILES+=usr/share/terminfo/g/guru-76
 OLD_FILES+=usr/share/terminfo/g/guru-76-lp
 OLD_FILES+=usr/share/terminfo/g/guru-76-s
 OLD_FILES+=usr/share/terminfo/g/guru-76-w
 OLD_FILES+=usr/share/terminfo/g/guru-76-w-s
 OLD_FILES+=usr/share/terminfo/g/guru-76-wm
 OLD_FILES+=usr/share/terminfo/g/guru-lp
 OLD_FILES+=usr/share/terminfo/g/guru-nctxt
 OLD_FILES+=usr/share/terminfo/g/guru-rv
 OLD_FILES+=usr/share/terminfo/g/guru-s
 OLD_DIRS+=usr/share/terminfo/g/
 OLD_FILES+=usr/share/terminfo/h/h-100
 OLD_FILES+=usr/share/terminfo/h/h-100bw
 OLD_FILES+=usr/share/terminfo/h/h100
 OLD_FILES+=usr/share/terminfo/h/h100bw
 OLD_FILES+=usr/share/terminfo/h/h19
 OLD_FILES+=usr/share/terminfo/h/h19-a
 OLD_FILES+=usr/share/terminfo/h/h19-b
 OLD_FILES+=usr/share/terminfo/h/h19-bs
 OLD_FILES+=usr/share/terminfo/h/h19-g
 OLD_FILES+=usr/share/terminfo/h/h19-smul
 OLD_FILES+=usr/share/terminfo/h/h19-u
 OLD_FILES+=usr/share/terminfo/h/h19-us
 OLD_FILES+=usr/share/terminfo/h/h19a
 OLD_FILES+=usr/share/terminfo/h/h19g
 OLD_FILES+=usr/share/terminfo/h/h19k
 OLD_FILES+=usr/share/terminfo/h/h19kermit
 OLD_FILES+=usr/share/terminfo/h/h19us
 OLD_FILES+=usr/share/terminfo/h/h29a-kc-bc
 OLD_FILES+=usr/share/terminfo/h/h29a-kc-uc
 OLD_FILES+=usr/share/terminfo/h/h29a-nkc-bc
 OLD_FILES+=usr/share/terminfo/h/h29a-nkc-uc
 OLD_FILES+=usr/share/terminfo/h/h80
 OLD_FILES+=usr/share/terminfo/h/ha8675
 OLD_FILES+=usr/share/terminfo/h/ha8686
 OLD_FILES+=usr/share/terminfo/h/hazel
 OLD_FILES+=usr/share/terminfo/h/hds200
 OLD_FILES+=usr/share/terminfo/h/he80
 OLD_FILES+=usr/share/terminfo/h/heath
 OLD_FILES+=usr/share/terminfo/h/heath-19
 OLD_FILES+=usr/share/terminfo/h/heath-ansi
 OLD_FILES+=usr/share/terminfo/h/heathkit
 OLD_FILES+=usr/share/terminfo/h/heathkit-a
 OLD_FILES+=usr/share/terminfo/h/hft
 OLD_FILES+=usr/share/terminfo/h/hft-c
 OLD_FILES+=usr/share/terminfo/h/hft-c-old
 OLD_FILES+=usr/share/terminfo/h/hft-old
 OLD_FILES+=usr/share/terminfo/h/hirez100
 OLD_FILES+=usr/share/terminfo/h/hirez100-w
 OLD_FILES+=usr/share/terminfo/h/hmod1
 OLD_FILES+=usr/share/terminfo/h/hp
 OLD_FILES+=usr/share/terminfo/h/hp+arrows
 OLD_FILES+=usr/share/terminfo/h/hp+color
 OLD_FILES+=usr/share/terminfo/h/hp+labels
 OLD_FILES+=usr/share/terminfo/h/hp+pfk+arrows
 OLD_FILES+=usr/share/terminfo/h/hp+pfk+cr
 OLD_FILES+=usr/share/terminfo/h/hp+pfk-cr
 OLD_FILES+=usr/share/terminfo/h/hp+printer
 OLD_FILES+=usr/share/terminfo/h/hp110
 OLD_FILES+=usr/share/terminfo/h/hp150
 OLD_FILES+=usr/share/terminfo/h/hp2
 OLD_FILES+=usr/share/terminfo/h/hp236
 OLD_FILES+=usr/share/terminfo/h/hp2382
 OLD_FILES+=usr/share/terminfo/h/hp2382a
 OLD_FILES+=usr/share/terminfo/h/hp2392
 OLD_FILES+=usr/share/terminfo/h/hp2397
 OLD_FILES+=usr/share/terminfo/h/hp2397a
 OLD_FILES+=usr/share/terminfo/h/hp2621
 OLD_FILES+=usr/share/terminfo/h/hp2621-48
 OLD_FILES+=usr/share/terminfo/h/hp2621-a
 OLD_FILES+=usr/share/terminfo/h/hp2621-ba
 OLD_FILES+=usr/share/terminfo/h/hp2621-fl
 OLD_FILES+=usr/share/terminfo/h/hp2621-k45
 OLD_FILES+=usr/share/terminfo/h/hp2621-nl
 OLD_FILES+=usr/share/terminfo/h/hp2621-nt
 OLD_FILES+=usr/share/terminfo/h/hp2621-wl
 OLD_FILES+=usr/share/terminfo/h/hp2621A
 OLD_FILES+=usr/share/terminfo/h/hp2621a
 OLD_FILES+=usr/share/terminfo/h/hp2621a-a
 OLD_FILES+=usr/share/terminfo/h/hp2621b
 OLD_FILES+=usr/share/terminfo/h/hp2621b-kx
 OLD_FILES+=usr/share/terminfo/h/hp2621b-kx-p
 OLD_FILES+=usr/share/terminfo/h/hp2621b-p
 OLD_FILES+=usr/share/terminfo/h/hp2621k45
 OLD_FILES+=usr/share/terminfo/h/hp2621p
 OLD_FILES+=usr/share/terminfo/h/hp2621p-a
 OLD_FILES+=usr/share/terminfo/h/hp2622
 OLD_FILES+=usr/share/terminfo/h/hp2622a
 OLD_FILES+=usr/share/terminfo/h/hp2623
 OLD_FILES+=usr/share/terminfo/h/hp2623a
 OLD_FILES+=usr/share/terminfo/h/hp2624
 OLD_FILES+=usr/share/terminfo/h/hp2624-10p
 OLD_FILES+=usr/share/terminfo/h/hp2624a
 OLD_FILES+=usr/share/terminfo/h/hp2624a-10p
 OLD_FILES+=usr/share/terminfo/h/hp2624b
 OLD_FILES+=usr/share/terminfo/h/hp2624b-10p
 OLD_FILES+=usr/share/terminfo/h/hp2624b-10p-p
 OLD_FILES+=usr/share/terminfo/h/hp2624b-4p
 OLD_FILES+=usr/share/terminfo/h/hp2624b-4p-p
 OLD_FILES+=usr/share/terminfo/h/hp2624b-p
 OLD_FILES+=usr/share/terminfo/h/hp2626
 OLD_FILES+=usr/share/terminfo/h/hp2626-12
 OLD_FILES+=usr/share/terminfo/h/hp2626-12-s
 OLD_FILES+=usr/share/terminfo/h/hp2626-12x40
 OLD_FILES+=usr/share/terminfo/h/hp2626-ns
 OLD_FILES+=usr/share/terminfo/h/hp2626-s
 OLD_FILES+=usr/share/terminfo/h/hp2626-x40
 OLD_FILES+=usr/share/terminfo/h/hp2626a
 OLD_FILES+=usr/share/terminfo/h/hp2626p
 OLD_FILES+=usr/share/terminfo/h/hp2627a
 OLD_FILES+=usr/share/terminfo/h/hp2627a-rev
 OLD_FILES+=usr/share/terminfo/h/hp2627c
 OLD_FILES+=usr/share/terminfo/h/hp262x
 OLD_FILES+=usr/share/terminfo/h/hp2640a
 OLD_FILES+=usr/share/terminfo/h/hp2640b
 OLD_FILES+=usr/share/terminfo/h/hp2641a
 OLD_FILES+=usr/share/terminfo/h/hp2644a
 OLD_FILES+=usr/share/terminfo/h/hp2645
 OLD_FILES+=usr/share/terminfo/h/hp2645a
 OLD_FILES+=usr/share/terminfo/h/hp2647a
 OLD_FILES+=usr/share/terminfo/h/hp2648
 OLD_FILES+=usr/share/terminfo/h/hp2648a
 OLD_FILES+=usr/share/terminfo/h/hp300h
 OLD_FILES+=usr/share/terminfo/h/hp45
 OLD_FILES+=usr/share/terminfo/h/hp700
 OLD_FILES+=usr/share/terminfo/h/hp700-wy
 OLD_FILES+=usr/share/terminfo/h/hp70092
 OLD_FILES+=usr/share/terminfo/h/hp70092A
 OLD_FILES+=usr/share/terminfo/h/hp70092a
 OLD_FILES+=usr/share/terminfo/h/hp9837
 OLD_FILES+=usr/share/terminfo/h/hp9845
 OLD_FILES+=usr/share/terminfo/h/hp98550
 OLD_FILES+=usr/share/terminfo/h/hp98550a
 OLD_FILES+=usr/share/terminfo/h/hp98720
 OLD_FILES+=usr/share/terminfo/h/hp98721
 OLD_FILES+=usr/share/terminfo/h/hpansi
 OLD_FILES+=usr/share/terminfo/h/hpex
 OLD_FILES+=usr/share/terminfo/h/hpex2
 OLD_FILES+=usr/share/terminfo/h/hpgeneric
 OLD_FILES+=usr/share/terminfo/h/hpsub
 OLD_FILES+=usr/share/terminfo/h/hpterm
 OLD_FILES+=usr/share/terminfo/h/hpterm-color
 OLD_FILES+=usr/share/terminfo/h/htx11
 OLD_FILES+=usr/share/terminfo/h/hurd
 OLD_FILES+=usr/share/terminfo/h/hz1000
 OLD_FILES+=usr/share/terminfo/h/hz1420
 OLD_FILES+=usr/share/terminfo/h/hz1500
 OLD_FILES+=usr/share/terminfo/h/hz1510
 OLD_FILES+=usr/share/terminfo/h/hz1520
 OLD_FILES+=usr/share/terminfo/h/hz1520-noesc
 OLD_FILES+=usr/share/terminfo/h/hz1552
 OLD_FILES+=usr/share/terminfo/h/hz1552-rv
 OLD_FILES+=usr/share/terminfo/h/hz2000
 OLD_DIRS+=usr/share/terminfo/h/
 OLD_FILES+=usr/share/terminfo/i/i100
 OLD_FILES+=usr/share/terminfo/i/i3101
 OLD_FILES+=usr/share/terminfo/i/i3164
 OLD_FILES+=usr/share/terminfo/i/i400
 OLD_FILES+=usr/share/terminfo/i/iTerm.app
 OLD_FILES+=usr/share/terminfo/i/iTerm2.app
 OLD_FILES+=usr/share/terminfo/i/ibcs2
 OLD_FILES+=usr/share/terminfo/i/ibm+16color
 OLD_FILES+=usr/share/terminfo/i/ibm+color
 OLD_FILES+=usr/share/terminfo/i/ibm-apl
 OLD_FILES+=usr/share/terminfo/i/ibm-pc
 OLD_FILES+=usr/share/terminfo/i/ibm-system1
 OLD_FILES+=usr/share/terminfo/i/ibm3101
 OLD_FILES+=usr/share/terminfo/i/ibm3151
 OLD_FILES+=usr/share/terminfo/i/ibm3161
 OLD_FILES+=usr/share/terminfo/i/ibm3161-C
 OLD_FILES+=usr/share/terminfo/i/ibm3162
 OLD_FILES+=usr/share/terminfo/i/ibm3163
 OLD_FILES+=usr/share/terminfo/i/ibm3164
 OLD_FILES+=usr/share/terminfo/i/ibm327x
 OLD_FILES+=usr/share/terminfo/i/ibm5051
 OLD_FILES+=usr/share/terminfo/i/ibm5081
 OLD_FILES+=usr/share/terminfo/i/ibm5081-c
 OLD_FILES+=usr/share/terminfo/i/ibm5151
 OLD_FILES+=usr/share/terminfo/i/ibm5154
 OLD_FILES+=usr/share/terminfo/i/ibm5154-c
 OLD_FILES+=usr/share/terminfo/i/ibm6153
 OLD_FILES+=usr/share/terminfo/i/ibm6153-40
 OLD_FILES+=usr/share/terminfo/i/ibm6153-90
 OLD_FILES+=usr/share/terminfo/i/ibm6154
 OLD_FILES+=usr/share/terminfo/i/ibm6154-c
 OLD_FILES+=usr/share/terminfo/i/ibm6155
 OLD_FILES+=usr/share/terminfo/i/ibm8503
 OLD_FILES+=usr/share/terminfo/i/ibm8507
 OLD_FILES+=usr/share/terminfo/i/ibm8512
 OLD_FILES+=usr/share/terminfo/i/ibm8513
 OLD_FILES+=usr/share/terminfo/i/ibm8514
 OLD_FILES+=usr/share/terminfo/i/ibm8514-c
 OLD_FILES+=usr/share/terminfo/i/ibm8604
 OLD_FILES+=usr/share/terminfo/i/ibmaed
 OLD_FILES+=usr/share/terminfo/i/ibmapa16
 OLD_FILES+=usr/share/terminfo/i/ibmapa8
 OLD_FILES+=usr/share/terminfo/i/ibmapa8c
 OLD_FILES+=usr/share/terminfo/i/ibmapa8c-c
 OLD_FILES+=usr/share/terminfo/i/ibmega
 OLD_FILES+=usr/share/terminfo/i/ibmega-c
 OLD_FILES+=usr/share/terminfo/i/ibmmono
 OLD_FILES+=usr/share/terminfo/i/ibmmpel-c
 OLD_FILES+=usr/share/terminfo/i/ibmpc
 OLD_FILES+=usr/share/terminfo/i/ibmpc3
 OLD_FILES+=usr/share/terminfo/i/ibmpc3r
 OLD_FILES+=usr/share/terminfo/i/ibmpc3r-mono
 OLD_FILES+=usr/share/terminfo/i/ibmpcx
 OLD_FILES+=usr/share/terminfo/i/ibmvga
 OLD_FILES+=usr/share/terminfo/i/ibmvga-c
 OLD_FILES+=usr/share/terminfo/i/ibmx
 OLD_FILES+=usr/share/terminfo/i/icl6402
 OLD_FILES+=usr/share/terminfo/i/icl6404
 OLD_FILES+=usr/share/terminfo/i/icl6404-w
 OLD_FILES+=usr/share/terminfo/i/ifmr
 OLD_FILES+=usr/share/terminfo/i/ims-ansi
 OLD_FILES+=usr/share/terminfo/i/ims950
 OLD_FILES+=usr/share/terminfo/i/ims950-b
 OLD_FILES+=usr/share/terminfo/i/ims950-rv
 OLD_FILES+=usr/share/terminfo/i/infoton
 OLD_FILES+=usr/share/terminfo/i/interix
 OLD_FILES+=usr/share/terminfo/i/interix-nti
 OLD_FILES+=usr/share/terminfo/i/intertec
 OLD_FILES+=usr/share/terminfo/i/intertube
 OLD_FILES+=usr/share/terminfo/i/intertube2
 OLD_FILES+=usr/share/terminfo/i/intext
 OLD_FILES+=usr/share/terminfo/i/intext2
 OLD_FILES+=usr/share/terminfo/i/intextii
 OLD_FILES+=usr/share/terminfo/i/ips
 OLD_FILES+=usr/share/terminfo/i/ipsi
 OLD_FILES+=usr/share/terminfo/i/iq120
 OLD_FILES+=usr/share/terminfo/i/iq140
 OLD_FILES+=usr/share/terminfo/i/iris-ansi
 OLD_FILES+=usr/share/terminfo/i/iris-ansi-ap
 OLD_FILES+=usr/share/terminfo/i/iris-ansi-net
 OLD_FILES+=usr/share/terminfo/i/iris-color
 OLD_FILES+=usr/share/terminfo/i/iris40
 OLD_FILES+=usr/share/terminfo/i/iterm
 OLD_FILES+=usr/share/terminfo/i/iterm2
 OLD_FILES+=usr/share/terminfo/i/iterm2-direct
 OLD_DIRS+=usr/share/terminfo/i/
 OLD_FILES+=usr/share/terminfo/j/jaixterm
 OLD_FILES+=usr/share/terminfo/j/jaixterm-m
 OLD_FILES+=usr/share/terminfo/j/jerq
 OLD_FILES+=usr/share/terminfo/j/jfbterm
 OLD_DIRS+=usr/share/terminfo/j/
 OLD_FILES+=usr/share/terminfo/k/k45
 OLD_FILES+=usr/share/terminfo/k/kaypro
 OLD_FILES+=usr/share/terminfo/k/kaypro2
 OLD_FILES+=usr/share/terminfo/k/kds6402
 OLD_FILES+=usr/share/terminfo/k/kds7372
 OLD_FILES+=usr/share/terminfo/k/kds7372-w
 OLD_FILES+=usr/share/terminfo/k/kermit
 OLD_FILES+=usr/share/terminfo/k/kermit-am
 OLD_FILES+=usr/share/terminfo/k/kitty
 OLD_FILES+=usr/share/terminfo/k/kitty+common
 OLD_FILES+=usr/share/terminfo/k/kitty-direct
 OLD_FILES+=usr/share/terminfo/k/klone+acs
 OLD_FILES+=usr/share/terminfo/k/klone+color
 OLD_FILES+=usr/share/terminfo/k/klone+koi8acs
 OLD_FILES+=usr/share/terminfo/k/klone+sgr
 OLD_FILES+=usr/share/terminfo/k/klone+sgr-dumb
 OLD_FILES+=usr/share/terminfo/k/klone+sgr8
 OLD_FILES+=usr/share/terminfo/k/kon
 OLD_FILES+=usr/share/terminfo/k/kon2
 OLD_FILES+=usr/share/terminfo/k/konsole
 OLD_FILES+=usr/share/terminfo/k/konsole+pcfkeys
 OLD_FILES+=usr/share/terminfo/k/konsole-16color
 OLD_FILES+=usr/share/terminfo/k/konsole-256color
 OLD_FILES+=usr/share/terminfo/k/konsole-base
 OLD_FILES+=usr/share/terminfo/k/konsole-direct
 OLD_FILES+=usr/share/terminfo/k/konsole-linux
 OLD_FILES+=usr/share/terminfo/k/konsole-solaris
 OLD_FILES+=usr/share/terminfo/k/konsole-vt100
 OLD_FILES+=usr/share/terminfo/k/konsole-vt420pc
 OLD_FILES+=usr/share/terminfo/k/konsole-xf3x
 OLD_FILES+=usr/share/terminfo/k/konsole-xf4x
 OLD_FILES+=usr/share/terminfo/k/kt7
 OLD_FILES+=usr/share/terminfo/k/kt7ix
 OLD_FILES+=usr/share/terminfo/k/kterm
 OLD_FILES+=usr/share/terminfo/k/kterm-co
 OLD_FILES+=usr/share/terminfo/k/kterm-color
 OLD_FILES+=usr/share/terminfo/k/ktm
 OLD_FILES+=usr/share/terminfo/k/kvt
 OLD_DIRS+=usr/share/terminfo/k/
 OLD_FILES+=usr/share/terminfo/l/la120
 OLD_FILES+=usr/share/terminfo/l/layer
 OLD_FILES+=usr/share/terminfo/l/lft
 OLD_FILES+=usr/share/terminfo/l/lft-pc850
 OLD_FILES+=usr/share/terminfo/l/linux
 OLD_FILES+=usr/share/terminfo/l/linux+decid
 OLD_FILES+=usr/share/terminfo/l/linux+sfkeys
 OLD_FILES+=usr/share/terminfo/l/linux-16color
 OLD_FILES+=usr/share/terminfo/l/linux-basic
 OLD_FILES+=usr/share/terminfo/l/linux-c
 OLD_FILES+=usr/share/terminfo/l/linux-c-nc
 OLD_FILES+=usr/share/terminfo/l/linux-koi8
 OLD_FILES+=usr/share/terminfo/l/linux-koi8r
 OLD_FILES+=usr/share/terminfo/l/linux-lat
 OLD_FILES+=usr/share/terminfo/l/linux-m
 OLD_FILES+=usr/share/terminfo/l/linux-m1
 OLD_FILES+=usr/share/terminfo/l/linux-m1b
 OLD_FILES+=usr/share/terminfo/l/linux-m2
 OLD_FILES+=usr/share/terminfo/l/linux-nic
 OLD_FILES+=usr/share/terminfo/l/linux-s
 OLD_FILES+=usr/share/terminfo/l/linux-vt
 OLD_FILES+=usr/share/terminfo/l/linux2.2
 OLD_FILES+=usr/share/terminfo/l/linux2.6
 OLD_FILES+=usr/share/terminfo/l/linux2.6.26
 OLD_FILES+=usr/share/terminfo/l/linux3.0
 OLD_FILES+=usr/share/terminfo/l/lisa
 OLD_FILES+=usr/share/terminfo/l/lisaterm
 OLD_FILES+=usr/share/terminfo/l/lisaterm-w
 OLD_FILES+=usr/share/terminfo/l/liswb
 OLD_FILES+=usr/share/terminfo/l/ln03
 OLD_FILES+=usr/share/terminfo/l/ln03-w
 OLD_FILES+=usr/share/terminfo/l/lpr
 OLD_FILES+=usr/share/terminfo/l/luna
 OLD_FILES+=usr/share/terminfo/l/luna68k
 OLD_DIRS+=usr/share/terminfo/l/
 OLD_FILES+=usr/share/terminfo/m/m2-nam
 OLD_FILES+=usr/share/terminfo/m/mac
 OLD_FILES+=usr/share/terminfo/m/mac-w
 OLD_FILES+=usr/share/terminfo/m/mach
 OLD_FILES+=usr/share/terminfo/m/mach-bold
 OLD_FILES+=usr/share/terminfo/m/mach-color
 OLD_FILES+=usr/share/terminfo/m/mach-gnu
 OLD_FILES+=usr/share/terminfo/m/mach-gnu-color
 OLD_FILES+=usr/share/terminfo/m/macintosh
 OLD_FILES+=usr/share/terminfo/m/macterminal-w
 OLD_FILES+=usr/share/terminfo/m/mai
 OLD_FILES+=usr/share/terminfo/m/masscomp
 OLD_FILES+=usr/share/terminfo/m/masscomp1
 OLD_FILES+=usr/share/terminfo/m/masscomp2
 OLD_FILES+=usr/share/terminfo/m/mdl110
 OLD_FILES+=usr/share/terminfo/m/megatek
 OLD_FILES+=usr/share/terminfo/m/memhp
 OLD_FILES+=usr/share/terminfo/m/mgr
 OLD_FILES+=usr/share/terminfo/m/mgr-linux
 OLD_FILES+=usr/share/terminfo/m/mgr-sun
 OLD_FILES+=usr/share/terminfo/m/mgt
 OLD_FILES+=usr/share/terminfo/m/mgterm
 OLD_FILES+=usr/share/terminfo/m/microb
 OLD_FILES+=usr/share/terminfo/m/microbee
 OLD_FILES+=usr/share/terminfo/m/microterm
 OLD_FILES+=usr/share/terminfo/m/microterm5
 OLD_FILES+=usr/share/terminfo/m/mime
 OLD_FILES+=usr/share/terminfo/m/mime-3ax
 OLD_FILES+=usr/share/terminfo/m/mime-fb
 OLD_FILES+=usr/share/terminfo/m/mime-hb
 OLD_FILES+=usr/share/terminfo/m/mime1
 OLD_FILES+=usr/share/terminfo/m/mime2
 OLD_FILES+=usr/share/terminfo/m/mime2a
 OLD_FILES+=usr/share/terminfo/m/mime2a-s
 OLD_FILES+=usr/share/terminfo/m/mime2a-v
 OLD_FILES+=usr/share/terminfo/m/mime314
 OLD_FILES+=usr/share/terminfo/m/mime340
 OLD_FILES+=usr/share/terminfo/m/mime3a
 OLD_FILES+=usr/share/terminfo/m/mime3ax
 OLD_FILES+=usr/share/terminfo/m/mimei
 OLD_FILES+=usr/share/terminfo/m/mimeii
 OLD_FILES+=usr/share/terminfo/m/minitel
 OLD_FILES+=usr/share/terminfo/m/minitel-2
 OLD_FILES+=usr/share/terminfo/m/minitel-2-nam
 OLD_FILES+=usr/share/terminfo/m/minitel1
 OLD_FILES+=usr/share/terminfo/m/minitel1-nb
 OLD_FILES+=usr/share/terminfo/m/minitel12-80
 OLD_FILES+=usr/share/terminfo/m/minitel1b
 OLD_FILES+=usr/share/terminfo/m/minitel1b-80
 OLD_FILES+=usr/share/terminfo/m/minitel1b-nb
 OLD_FILES+=usr/share/terminfo/m/minitel2-80
 OLD_FILES+=usr/share/terminfo/m/minix
 OLD_FILES+=usr/share/terminfo/m/minix-1.5
 OLD_FILES+=usr/share/terminfo/m/minix-1.7
 OLD_FILES+=usr/share/terminfo/m/minix-3.0
 OLD_FILES+=usr/share/terminfo/m/minix-old
 OLD_FILES+=usr/share/terminfo/m/minix-old-am
 OLD_FILES+=usr/share/terminfo/m/mintty
 OLD_FILES+=usr/share/terminfo/m/mintty+common
 OLD_FILES+=usr/share/terminfo/m/mintty-direct
 OLD_FILES+=usr/share/terminfo/m/mlterm
 OLD_FILES+=usr/share/terminfo/m/mlterm+pcfkeys
 OLD_FILES+=usr/share/terminfo/m/mlterm-256color
 OLD_FILES+=usr/share/terminfo/m/mlterm-direct
 OLD_FILES+=usr/share/terminfo/m/mlterm2
 OLD_FILES+=usr/share/terminfo/m/mlterm3
 OLD_FILES+=usr/share/terminfo/m/mm314
 OLD_FILES+=usr/share/terminfo/m/mm340
 OLD_FILES+=usr/share/terminfo/m/mod
 OLD_FILES+=usr/share/terminfo/m/mod24
 OLD_FILES+=usr/share/terminfo/m/modgraph
 OLD_FILES+=usr/share/terminfo/m/modgraph2
 OLD_FILES+=usr/share/terminfo/m/modgraph48
 OLD_FILES+=usr/share/terminfo/m/mono-emx
 OLD_FILES+=usr/share/terminfo/m/morphos
 OLD_FILES+=usr/share/terminfo/m/mouse-sun
 OLD_FILES+=usr/share/terminfo/m/mrxvt
 OLD_FILES+=usr/share/terminfo/m/mrxvt-256color
 OLD_FILES+=usr/share/terminfo/m/ms-terminal
 OLD_FILES+=usr/share/terminfo/m/ms-vt-utf8
 OLD_FILES+=usr/share/terminfo/m/ms-vt100
 OLD_FILES+=usr/share/terminfo/m/ms-vt100+
 OLD_FILES+=usr/share/terminfo/m/ms-vt100-color
 OLD_FILES+=usr/share/terminfo/m/msk227
 OLD_FILES+=usr/share/terminfo/m/msk22714
 OLD_FILES+=usr/share/terminfo/m/msk227am
 OLD_FILES+=usr/share/terminfo/m/mskermit227
 OLD_FILES+=usr/share/terminfo/m/mskermit22714
 OLD_FILES+=usr/share/terminfo/m/mskermit227am
 OLD_FILES+=usr/share/terminfo/m/mt-70
 OLD_FILES+=usr/share/terminfo/m/mt4520-rv
 OLD_FILES+=usr/share/terminfo/m/mt70
 OLD_FILES+=usr/share/terminfo/m/mterm
 OLD_FILES+=usr/share/terminfo/m/mterm-ansi
 OLD_FILES+=usr/share/terminfo/m/mvterm
 OLD_DIRS+=usr/share/terminfo/m/
 OLD_FILES+=usr/share/terminfo/n/n7900
 OLD_FILES+=usr/share/terminfo/n/nansi.sys
 OLD_FILES+=usr/share/terminfo/n/nansi.sysk
 OLD_FILES+=usr/share/terminfo/n/nansisys
 OLD_FILES+=usr/share/terminfo/n/nansisysk
 OLD_FILES+=usr/share/terminfo/n/ncr160vppp
 OLD_FILES+=usr/share/terminfo/n/ncr160vpwpp
 OLD_FILES+=usr/share/terminfo/n/ncr160vt100an
 OLD_FILES+=usr/share/terminfo/n/ncr160vt100pp
 OLD_FILES+=usr/share/terminfo/n/ncr160vt100wan
 OLD_FILES+=usr/share/terminfo/n/ncr160vt100wpp
 OLD_FILES+=usr/share/terminfo/n/ncr160vt200an
 OLD_FILES+=usr/share/terminfo/n/ncr160vt200pp
 OLD_FILES+=usr/share/terminfo/n/ncr160vt200wan
 OLD_FILES+=usr/share/terminfo/n/ncr160vt200wpp
 OLD_FILES+=usr/share/terminfo/n/ncr160vt300an
 OLD_FILES+=usr/share/terminfo/n/ncr160vt300pp
 OLD_FILES+=usr/share/terminfo/n/ncr160vt300wan
 OLD_FILES+=usr/share/terminfo/n/ncr160vt300wpp
 OLD_FILES+=usr/share/terminfo/n/ncr160wy50+pp
 OLD_FILES+=usr/share/terminfo/n/ncr160wy50+wpp
 OLD_FILES+=usr/share/terminfo/n/ncr160wy60pp
 OLD_FILES+=usr/share/terminfo/n/ncr160wy60wpp
 OLD_FILES+=usr/share/terminfo/n/ncr260intan
 OLD_FILES+=usr/share/terminfo/n/ncr260intpp
 OLD_FILES+=usr/share/terminfo/n/ncr260intwan
 OLD_FILES+=usr/share/terminfo/n/ncr260intwpp
 OLD_FILES+=usr/share/terminfo/n/ncr260vppp
 OLD_FILES+=usr/share/terminfo/n/ncr260vpwpp
 OLD_FILES+=usr/share/terminfo/n/ncr260vt100an
 OLD_FILES+=usr/share/terminfo/n/ncr260vt100pp
 OLD_FILES+=usr/share/terminfo/n/ncr260vt100wan
 OLD_FILES+=usr/share/terminfo/n/ncr260vt100wpp
 OLD_FILES+=usr/share/terminfo/n/ncr260vt200an
 OLD_FILES+=usr/share/terminfo/n/ncr260vt200pp
 OLD_FILES+=usr/share/terminfo/n/ncr260vt200wan
 OLD_FILES+=usr/share/terminfo/n/ncr260vt200wpp
 OLD_FILES+=usr/share/terminfo/n/ncr260vt300an
 OLD_FILES+=usr/share/terminfo/n/ncr260vt300pp
 OLD_FILES+=usr/share/terminfo/n/ncr260vt300wan
 OLD_FILES+=usr/share/terminfo/n/ncr260vt300wpp
 OLD_FILES+=usr/share/terminfo/n/ncr260wy325pp
 OLD_FILES+=usr/share/terminfo/n/ncr260wy325wpp
 OLD_FILES+=usr/share/terminfo/n/ncr260wy350pp
 OLD_FILES+=usr/share/terminfo/n/ncr260wy350wpp
 OLD_FILES+=usr/share/terminfo/n/ncr260wy50+pp
 OLD_FILES+=usr/share/terminfo/n/ncr260wy50+wpp
 OLD_FILES+=usr/share/terminfo/n/ncr260wy60pp
 OLD_FILES+=usr/share/terminfo/n/ncr260wy60wpp
 OLD_FILES+=usr/share/terminfo/n/ncr7900
 OLD_FILES+=usr/share/terminfo/n/ncr7900i
 OLD_FILES+=usr/share/terminfo/n/ncr7900iv
 OLD_FILES+=usr/share/terminfo/n/ncr7901
 OLD_FILES+=usr/share/terminfo/n/ncrvt100an
 OLD_FILES+=usr/share/terminfo/n/ncrvt100pp
 OLD_FILES+=usr/share/terminfo/n/ncrvt100wan
 OLD_FILES+=usr/share/terminfo/n/ncrvt100wpp
 OLD_FILES+=usr/share/terminfo/n/ncsa
 OLD_FILES+=usr/share/terminfo/n/ncsa-m
 OLD_FILES+=usr/share/terminfo/n/ncsa-m-ns
 OLD_FILES+=usr/share/terminfo/n/ncsa-ns
 OLD_FILES+=usr/share/terminfo/n/ncsa-vt220
 OLD_FILES+=usr/share/terminfo/n/ncsa-vt220-8
 OLD_FILES+=usr/share/terminfo/n/nd9500
 OLD_FILES+=usr/share/terminfo/n/ndr9500
 OLD_FILES+=usr/share/terminfo/n/ndr9500-25
 OLD_FILES+=usr/share/terminfo/n/ndr9500-25-mc
 OLD_FILES+=usr/share/terminfo/n/ndr9500-25-mc-nl
 OLD_FILES+=usr/share/terminfo/n/ndr9500-25-nl
 OLD_FILES+=usr/share/terminfo/n/ndr9500-mc
 OLD_FILES+=usr/share/terminfo/n/ndr9500-mc-nl
 OLD_FILES+=usr/share/terminfo/n/ndr9500-nl
 OLD_FILES+=usr/share/terminfo/n/nec
 OLD_FILES+=usr/share/terminfo/n/nec5520
 OLD_FILES+=usr/share/terminfo/n/netbsd6
 OLD_FILES+=usr/share/terminfo/n/newhp
 OLD_FILES+=usr/share/terminfo/n/newhpkeyboard
 OLD_FILES+=usr/share/terminfo/n/news
 OLD_FILES+=usr/share/terminfo/n/news-29
 OLD_FILES+=usr/share/terminfo/n/news-29-euc
 OLD_FILES+=usr/share/terminfo/n/news-29-sjis
 OLD_FILES+=usr/share/terminfo/n/news-33
 OLD_FILES+=usr/share/terminfo/n/news-33-euc
 OLD_FILES+=usr/share/terminfo/n/news-33-sjis
 OLD_FILES+=usr/share/terminfo/n/news-42
 OLD_FILES+=usr/share/terminfo/n/news-42-euc
 OLD_FILES+=usr/share/terminfo/n/news-42-sjis
 OLD_FILES+=usr/share/terminfo/n/news-a
 OLD_FILES+=usr/share/terminfo/n/news-o
 OLD_FILES+=usr/share/terminfo/n/news-old-unk
 OLD_FILES+=usr/share/terminfo/n/news-unk
 OLD_FILES+=usr/share/terminfo/n/news28
 OLD_FILES+=usr/share/terminfo/n/news28-a
 OLD_FILES+=usr/share/terminfo/n/news29
 OLD_FILES+=usr/share/terminfo/n/news31
 OLD_FILES+=usr/share/terminfo/n/news31-a
 OLD_FILES+=usr/share/terminfo/n/news31-o
 OLD_FILES+=usr/share/terminfo/n/news33
 OLD_FILES+=usr/share/terminfo/n/news40
 OLD_FILES+=usr/share/terminfo/n/news40-a
 OLD_FILES+=usr/share/terminfo/n/news40-o
 OLD_FILES+=usr/share/terminfo/n/news42
 OLD_FILES+=usr/share/terminfo/n/newscbm
 OLD_FILES+=usr/share/terminfo/n/newscbm-a
 OLD_FILES+=usr/share/terminfo/n/newscbm-o
 OLD_FILES+=usr/share/terminfo/n/newscbm33
 OLD_FILES+=usr/share/terminfo/n/next
 OLD_FILES+=usr/share/terminfo/n/nextshell
 OLD_FILES+=usr/share/terminfo/n/northstar
 OLD_FILES+=usr/share/terminfo/n/nsterm
 OLD_FILES+=usr/share/terminfo/n/nsterm+7
 OLD_FILES+=usr/share/terminfo/n/nsterm+acs
 OLD_FILES+=usr/share/terminfo/n/nsterm+c
 OLD_FILES+=usr/share/terminfo/n/nsterm+c41
 OLD_FILES+=usr/share/terminfo/n/nsterm+mac
 OLD_FILES+=usr/share/terminfo/n/nsterm+s
 OLD_FILES+=usr/share/terminfo/n/nsterm-16color
 OLD_FILES+=usr/share/terminfo/n/nsterm-256color
 OLD_FILES+=usr/share/terminfo/n/nsterm-7
 OLD_FILES+=usr/share/terminfo/n/nsterm-7-c
 OLD_FILES+=usr/share/terminfo/n/nsterm-7-c-s
 OLD_FILES+=usr/share/terminfo/n/nsterm-7-m
 OLD_FILES+=usr/share/terminfo/n/nsterm-7-m-s
 OLD_FILES+=usr/share/terminfo/n/nsterm-7-s
 OLD_FILES+=usr/share/terminfo/n/nsterm-acs
 OLD_FILES+=usr/share/terminfo/n/nsterm-acs-c
 OLD_FILES+=usr/share/terminfo/n/nsterm-acs-c-s
 OLD_FILES+=usr/share/terminfo/n/nsterm-acs-m
 OLD_FILES+=usr/share/terminfo/n/nsterm-acs-m-s
 OLD_FILES+=usr/share/terminfo/n/nsterm-acs-s
 OLD_FILES+=usr/share/terminfo/n/nsterm-bce
 OLD_FILES+=usr/share/terminfo/n/nsterm-build309
 OLD_FILES+=usr/share/terminfo/n/nsterm-build326
 OLD_FILES+=usr/share/terminfo/n/nsterm-build343
 OLD_FILES+=usr/share/terminfo/n/nsterm-build361
 OLD_FILES+=usr/share/terminfo/n/nsterm-build400
 OLD_FILES+=usr/share/terminfo/n/nsterm-c
 OLD_FILES+=usr/share/terminfo/n/nsterm-c-7
 OLD_FILES+=usr/share/terminfo/n/nsterm-c-acs
 OLD_FILES+=usr/share/terminfo/n/nsterm-c-s
 OLD_FILES+=usr/share/terminfo/n/nsterm-c-s-7
 OLD_FILES+=usr/share/terminfo/n/nsterm-c-s-acs
 OLD_FILES+=usr/share/terminfo/n/nsterm-direct
 OLD_FILES+=usr/share/terminfo/n/nsterm-m
 OLD_FILES+=usr/share/terminfo/n/nsterm-m-7
 OLD_FILES+=usr/share/terminfo/n/nsterm-m-acs
 OLD_FILES+=usr/share/terminfo/n/nsterm-m-s
 OLD_FILES+=usr/share/terminfo/n/nsterm-m-s-7
 OLD_FILES+=usr/share/terminfo/n/nsterm-m-s-acs
 OLD_FILES+=usr/share/terminfo/n/nsterm-old
 OLD_FILES+=usr/share/terminfo/n/nsterm-s
 OLD_FILES+=usr/share/terminfo/n/nsterm-s-7
 OLD_FILES+=usr/share/terminfo/n/nsterm-s-acs
 OLD_FILES+=usr/share/terminfo/n/ntconsole
 OLD_FILES+=usr/share/terminfo/n/ntconsole-100
 OLD_FILES+=usr/share/terminfo/n/ntconsole-100-nti
 OLD_FILES+=usr/share/terminfo/n/ntconsole-25
 OLD_FILES+=usr/share/terminfo/n/ntconsole-25-nti
 OLD_FILES+=usr/share/terminfo/n/ntconsole-25-w
 OLD_FILES+=usr/share/terminfo/n/ntconsole-25-w-vt
 OLD_FILES+=usr/share/terminfo/n/ntconsole-35
 OLD_FILES+=usr/share/terminfo/n/ntconsole-35-nti
 OLD_FILES+=usr/share/terminfo/n/ntconsole-35-w
 OLD_FILES+=usr/share/terminfo/n/ntconsole-50
 OLD_FILES+=usr/share/terminfo/n/ntconsole-50-nti
 OLD_FILES+=usr/share/terminfo/n/ntconsole-50-w
 OLD_FILES+=usr/share/terminfo/n/ntconsole-60
 OLD_FILES+=usr/share/terminfo/n/ntconsole-60-nti
 OLD_FILES+=usr/share/terminfo/n/ntconsole-60-w
 OLD_FILES+=usr/share/terminfo/n/ntconsole-w
 OLD_FILES+=usr/share/terminfo/n/ntconsole-w-vt
 OLD_FILES+=usr/share/terminfo/n/nwe501
 OLD_FILES+=usr/share/terminfo/n/nwe501-a
 OLD_FILES+=usr/share/terminfo/n/nwe501-o
 OLD_FILES+=usr/share/terminfo/n/nwp-511
 OLD_FILES+=usr/share/terminfo/n/nwp-517
 OLD_FILES+=usr/share/terminfo/n/nwp-517-w
 OLD_FILES+=usr/share/terminfo/n/nwp251-a
 OLD_FILES+=usr/share/terminfo/n/nwp251-o
 OLD_FILES+=usr/share/terminfo/n/nwp511
 OLD_FILES+=usr/share/terminfo/n/nwp512
 OLD_FILES+=usr/share/terminfo/n/nwp512-a
 OLD_FILES+=usr/share/terminfo/n/nwp512-o
 OLD_FILES+=usr/share/terminfo/n/nwp513
 OLD_FILES+=usr/share/terminfo/n/nwp513-a
 OLD_FILES+=usr/share/terminfo/n/nwp513-o
 OLD_FILES+=usr/share/terminfo/n/nwp514
 OLD_FILES+=usr/share/terminfo/n/nwp514-a
 OLD_FILES+=usr/share/terminfo/n/nwp514-o
 OLD_FILES+=usr/share/terminfo/n/nwp517
 OLD_FILES+=usr/share/terminfo/n/nwp517-w
 OLD_FILES+=usr/share/terminfo/n/nwp518
 OLD_FILES+=usr/share/terminfo/n/nwp518-a
 OLD_FILES+=usr/share/terminfo/n/nwp518-o
 OLD_FILES+=usr/share/terminfo/n/nxterm
 OLD_DIRS+=usr/share/terminfo/n/
 OLD_FILES+=usr/share/terminfo/o/o31
 OLD_FILES+=usr/share/terminfo/o/o4112-nd
 OLD_FILES+=usr/share/terminfo/o/o85h
 OLD_FILES+=usr/share/terminfo/o/oabm85h
 OLD_FILES+=usr/share/terminfo/o/oblit
 OLD_FILES+=usr/share/terminfo/o/oc100
 OLD_FILES+=usr/share/terminfo/o/oconcept
 OLD_FILES+=usr/share/terminfo/o/ofcons
 OLD_FILES+=usr/share/terminfo/o/ojerq
 OLD_FILES+=usr/share/terminfo/o/old-st
 OLD_FILES+=usr/share/terminfo/o/oldibmpc3
 OLD_FILES+=usr/share/terminfo/o/oldpc3
 OLD_FILES+=usr/share/terminfo/o/oldsun
 OLD_FILES+=usr/share/terminfo/o/omron
 OLD_FILES+=usr/share/terminfo/o/opennt
 OLD_FILES+=usr/share/terminfo/o/opennt-100
 OLD_FILES+=usr/share/terminfo/o/opennt-100-nti
 OLD_FILES+=usr/share/terminfo/o/opennt-25
 OLD_FILES+=usr/share/terminfo/o/opennt-25-nti
 OLD_FILES+=usr/share/terminfo/o/opennt-25-w
 OLD_FILES+=usr/share/terminfo/o/opennt-25-w-vt
 OLD_FILES+=usr/share/terminfo/o/opennt-35
 OLD_FILES+=usr/share/terminfo/o/opennt-35-nti
 OLD_FILES+=usr/share/terminfo/o/opennt-35-w
 OLD_FILES+=usr/share/terminfo/o/opennt-50
 OLD_FILES+=usr/share/terminfo/o/opennt-50-nti
 OLD_FILES+=usr/share/terminfo/o/opennt-50-w
 OLD_FILES+=usr/share/terminfo/o/opennt-60
 OLD_FILES+=usr/share/terminfo/o/opennt-60-nti
 OLD_FILES+=usr/share/terminfo/o/opennt-60-w
 OLD_FILES+=usr/share/terminfo/o/opennt-nti
 OLD_FILES+=usr/share/terminfo/o/opennt-w
 OLD_FILES+=usr/share/terminfo/o/opennt-w-vt
 OLD_FILES+=usr/share/terminfo/o/opus3n1+
 OLD_FILES+=usr/share/terminfo/o/origibmpc3
 OLD_FILES+=usr/share/terminfo/o/origpc3
 OLD_FILES+=usr/share/terminfo/o/os9LII
 OLD_FILES+=usr/share/terminfo/o/osborne
 OLD_FILES+=usr/share/terminfo/o/osborne-w
 OLD_FILES+=usr/share/terminfo/o/osborne1
 OLD_FILES+=usr/share/terminfo/o/osborne1-w
 OLD_FILES+=usr/share/terminfo/o/osexec
 OLD_FILES+=usr/share/terminfo/o/otek4112
 OLD_FILES+=usr/share/terminfo/o/otek4113
 OLD_FILES+=usr/share/terminfo/o/otek4114
 OLD_FILES+=usr/share/terminfo/o/otek4115
 OLD_FILES+=usr/share/terminfo/o/owl
 OLD_DIRS+=usr/share/terminfo/o/
 OLD_FILES+=usr/share/terminfo/p/p12
 OLD_FILES+=usr/share/terminfo/p/p12-m
 OLD_FILES+=usr/share/terminfo/p/p12-m-w
 OLD_FILES+=usr/share/terminfo/p/p12-w
 OLD_FILES+=usr/share/terminfo/p/p14
 OLD_FILES+=usr/share/terminfo/p/p14-m
 OLD_FILES+=usr/share/terminfo/p/p14-m-w
 OLD_FILES+=usr/share/terminfo/p/p14-w
 OLD_FILES+=usr/share/terminfo/p/p19
 OLD_FILES+=usr/share/terminfo/p/p4
 OLD_FILES+=usr/share/terminfo/p/p5
 OLD_FILES+=usr/share/terminfo/p/p7
 OLD_FILES+=usr/share/terminfo/p/p8
 OLD_FILES+=usr/share/terminfo/p/p8-w
 OLD_FILES+=usr/share/terminfo/p/p8gl
 OLD_FILES+=usr/share/terminfo/p/p9
 OLD_FILES+=usr/share/terminfo/p/p9-8
 OLD_FILES+=usr/share/terminfo/p/p9-8-w
 OLD_FILES+=usr/share/terminfo/p/p9-w
 OLD_FILES+=usr/share/terminfo/p/pc-coherent
 OLD_FILES+=usr/share/terminfo/p/pc-minix
 OLD_FILES+=usr/share/terminfo/p/pc-venix
 OLD_FILES+=usr/share/terminfo/p/pc3
 OLD_FILES+=usr/share/terminfo/p/pc3-bold
 OLD_FILES+=usr/share/terminfo/p/pc3r
 OLD_FILES+=usr/share/terminfo/p/pc3r-m
 OLD_FILES+=usr/share/terminfo/p/pc6300plus
 OLD_FILES+=usr/share/terminfo/p/pc7300
 OLD_FILES+=usr/share/terminfo/p/pcansi
 OLD_FILES+=usr/share/terminfo/p/pcansi-25
 OLD_FILES+=usr/share/terminfo/p/pcansi-25-m
 OLD_FILES+=usr/share/terminfo/p/pcansi-33
 OLD_FILES+=usr/share/terminfo/p/pcansi-33-m
 OLD_FILES+=usr/share/terminfo/p/pcansi-43
 OLD_FILES+=usr/share/terminfo/p/pcansi-43-m
 OLD_FILES+=usr/share/terminfo/p/pcansi-m
 OLD_FILES+=usr/share/terminfo/p/pcansi-mono
 OLD_FILES+=usr/share/terminfo/p/pcansi25
 OLD_FILES+=usr/share/terminfo/p/pcansi25m
 OLD_FILES+=usr/share/terminfo/p/pcansi33
 OLD_FILES+=usr/share/terminfo/p/pcansi33m
 OLD_FILES+=usr/share/terminfo/p/pcansi43
 OLD_FILES+=usr/share/terminfo/p/pccon
 OLD_FILES+=usr/share/terminfo/p/pccon+base
 OLD_FILES+=usr/share/terminfo/p/pccon+colors
 OLD_FILES+=usr/share/terminfo/p/pccon+keys
 OLD_FILES+=usr/share/terminfo/p/pccon+sgr+acs
 OLD_FILES+=usr/share/terminfo/p/pccon+sgr+acs0
 OLD_FILES+=usr/share/terminfo/p/pccon-m
 OLD_FILES+=usr/share/terminfo/p/pccon0
 OLD_FILES+=usr/share/terminfo/p/pccon0-m
 OLD_FILES+=usr/share/terminfo/p/pccons
 OLD_FILES+=usr/share/terminfo/p/pcconsole
 OLD_FILES+=usr/share/terminfo/p/pcix
 OLD_FILES+=usr/share/terminfo/p/pckermit
 OLD_FILES+=usr/share/terminfo/p/pckermit12
 OLD_FILES+=usr/share/terminfo/p/pckermit120
 OLD_FILES+=usr/share/terminfo/p/pcmw
 OLD_FILES+=usr/share/terminfo/p/pcplot
 OLD_FILES+=usr/share/terminfo/p/pcvt25
 OLD_FILES+=usr/share/terminfo/p/pcvt25-color
 OLD_FILES+=usr/share/terminfo/p/pcvt25w
 OLD_FILES+=usr/share/terminfo/p/pcvt28
 OLD_FILES+=usr/share/terminfo/p/pcvt28w
 OLD_FILES+=usr/share/terminfo/p/pcvt35
 OLD_FILES+=usr/share/terminfo/p/pcvt35w
 OLD_FILES+=usr/share/terminfo/p/pcvt40
 OLD_FILES+=usr/share/terminfo/p/pcvt40w
 OLD_FILES+=usr/share/terminfo/p/pcvt43
 OLD_FILES+=usr/share/terminfo/p/pcvt43w
 OLD_FILES+=usr/share/terminfo/p/pcvt50
 OLD_FILES+=usr/share/terminfo/p/pcvt50w
 OLD_FILES+=usr/share/terminfo/p/pcvtXX
 OLD_FILES+=usr/share/terminfo/p/pcz19
 OLD_FILES+=usr/share/terminfo/p/pe1100
 OLD_FILES+=usr/share/terminfo/p/pe1200
 OLD_FILES+=usr/share/terminfo/p/pe1251
 OLD_FILES+=usr/share/terminfo/p/pe550
 OLD_FILES+=usr/share/terminfo/p/pe6100
 OLD_FILES+=usr/share/terminfo/p/pe6300
 OLD_FILES+=usr/share/terminfo/p/pe6312
 OLD_FILES+=usr/share/terminfo/p/pe7000c
 OLD_FILES+=usr/share/terminfo/p/pe7000m
 OLD_FILES+=usr/share/terminfo/p/pilot
 OLD_FILES+=usr/share/terminfo/p/pmcons
 OLD_FILES+=usr/share/terminfo/p/pmconsole
 OLD_FILES+=usr/share/terminfo/p/printer
 OLD_FILES+=usr/share/terminfo/p/prism12
 OLD_FILES+=usr/share/terminfo/p/prism12-m
 OLD_FILES+=usr/share/terminfo/p/prism12-m-w
 OLD_FILES+=usr/share/terminfo/p/prism12-w
 OLD_FILES+=usr/share/terminfo/p/prism14
 OLD_FILES+=usr/share/terminfo/p/prism14-m
 OLD_FILES+=usr/share/terminfo/p/prism14-m-w
 OLD_FILES+=usr/share/terminfo/p/prism14-w
 OLD_FILES+=usr/share/terminfo/p/prism2
 OLD_FILES+=usr/share/terminfo/p/prism4
 OLD_FILES+=usr/share/terminfo/p/prism5
 OLD_FILES+=usr/share/terminfo/p/prism7
 OLD_FILES+=usr/share/terminfo/p/prism8
 OLD_FILES+=usr/share/terminfo/p/prism8-w
 OLD_FILES+=usr/share/terminfo/p/prism8gl
 OLD_FILES+=usr/share/terminfo/p/prism9
 OLD_FILES+=usr/share/terminfo/p/prism9-8
 OLD_FILES+=usr/share/terminfo/p/prism9-8-w
 OLD_FILES+=usr/share/terminfo/p/prism9-w
 OLD_FILES+=usr/share/terminfo/p/pro350
 OLD_FILES+=usr/share/terminfo/p/ps300
 OLD_FILES+=usr/share/terminfo/p/psterm
 OLD_FILES+=usr/share/terminfo/p/psterm-80x24
 OLD_FILES+=usr/share/terminfo/p/psterm-90x28
 OLD_FILES+=usr/share/terminfo/p/psterm-96x48
 OLD_FILES+=usr/share/terminfo/p/psterm-basic
 OLD_FILES+=usr/share/terminfo/p/psterm-fast
 OLD_FILES+=usr/share/terminfo/p/psx_ansi
 OLD_FILES+=usr/share/terminfo/p/pt100
 OLD_FILES+=usr/share/terminfo/p/pt100w
 OLD_FILES+=usr/share/terminfo/p/pt200
 OLD_FILES+=usr/share/terminfo/p/pt200w
 OLD_FILES+=usr/share/terminfo/p/pt210
 OLD_FILES+=usr/share/terminfo/p/pt250
 OLD_FILES+=usr/share/terminfo/p/pt250w
 OLD_FILES+=usr/share/terminfo/p/pt505
 OLD_FILES+=usr/share/terminfo/p/pt505-22
 OLD_FILES+=usr/share/terminfo/p/pt505-24
 OLD_FILES+=usr/share/terminfo/p/pty
 OLD_FILES+=usr/share/terminfo/p/putty
 OLD_FILES+=usr/share/terminfo/p/putty+fnkeys
 OLD_FILES+=usr/share/terminfo/p/putty+fnkeys+esc
 OLD_FILES+=usr/share/terminfo/p/putty+fnkeys+linux
 OLD_FILES+=usr/share/terminfo/p/putty+fnkeys+sco
 OLD_FILES+=usr/share/terminfo/p/putty+fnkeys+vt100
 OLD_FILES+=usr/share/terminfo/p/putty+fnkeys+vt400
 OLD_FILES+=usr/share/terminfo/p/putty+fnkeys+xterm
 OLD_FILES+=usr/share/terminfo/p/putty+keypad
 OLD_FILES+=usr/share/terminfo/p/putty+screen
 OLD_FILES+=usr/share/terminfo/p/putty-256color
 OLD_FILES+=usr/share/terminfo/p/putty-m1
 OLD_FILES+=usr/share/terminfo/p/putty-m1b
 OLD_FILES+=usr/share/terminfo/p/putty-m2
 OLD_FILES+=usr/share/terminfo/p/putty-noapp
 OLD_FILES+=usr/share/terminfo/p/putty-sco
 OLD_FILES+=usr/share/terminfo/p/putty-screen
 OLD_FILES+=usr/share/terminfo/p/putty-vt100
 OLD_DIRS+=usr/share/terminfo/p/
 OLD_FILES+=usr/share/terminfo/q/qansi
 OLD_FILES+=usr/share/terminfo/q/qansi-g
 OLD_FILES+=usr/share/terminfo/q/qansi-m
 OLD_FILES+=usr/share/terminfo/q/qansi-t
 OLD_FILES+=usr/share/terminfo/q/qansi-w
 OLD_FILES+=usr/share/terminfo/q/qdcons
 OLD_FILES+=usr/share/terminfo/q/qdss
 OLD_FILES+=usr/share/terminfo/q/qnx
 OLD_FILES+=usr/share/terminfo/q/qnx4
 OLD_FILES+=usr/share/terminfo/q/qnxm
 OLD_FILES+=usr/share/terminfo/q/qnxt
 OLD_FILES+=usr/share/terminfo/q/qnxt2
 OLD_FILES+=usr/share/terminfo/q/qnxt4
 OLD_FILES+=usr/share/terminfo/q/qnxtmono
 OLD_FILES+=usr/share/terminfo/q/qnxw
 OLD_FILES+=usr/share/terminfo/q/qume
 OLD_FILES+=usr/share/terminfo/q/qume5
 OLD_FILES+=usr/share/terminfo/q/qvt101
 OLD_FILES+=usr/share/terminfo/q/qvt101+
 OLD_FILES+=usr/share/terminfo/q/qvt101p
 OLD_FILES+=usr/share/terminfo/q/qvt102
 OLD_FILES+=usr/share/terminfo/q/qvt103
 OLD_FILES+=usr/share/terminfo/q/qvt103-w
 OLD_FILES+=usr/share/terminfo/q/qvt108
 OLD_FILES+=usr/share/terminfo/q/qvt119
 OLD_FILES+=usr/share/terminfo/q/qvt119+
 OLD_FILES+=usr/share/terminfo/q/qvt119+-25
 OLD_FILES+=usr/share/terminfo/q/qvt119+-25-w
 OLD_FILES+=usr/share/terminfo/q/qvt119+-w
 OLD_FILES+=usr/share/terminfo/q/qvt119-25-w
 OLD_FILES+=usr/share/terminfo/q/qvt119-w
 OLD_FILES+=usr/share/terminfo/q/qvt119p
 OLD_FILES+=usr/share/terminfo/q/qvt119p-25
 OLD_FILES+=usr/share/terminfo/q/qvt119p-25-w
 OLD_FILES+=usr/share/terminfo/q/qvt119p-w
 OLD_FILES+=usr/share/terminfo/q/qvt203
 OLD_FILES+=usr/share/terminfo/q/qvt203+
 OLD_FILES+=usr/share/terminfo/q/qvt203-25
 OLD_FILES+=usr/share/terminfo/q/qvt203-25-w
 OLD_FILES+=usr/share/terminfo/q/qvt203-w
 OLD_FILES+=usr/share/terminfo/q/qvt203-w-am
 OLD_DIRS+=usr/share/terminfo/q/
 OLD_FILES+=usr/share/terminfo/r/rbcomm
 OLD_FILES+=usr/share/terminfo/r/rbcomm-nam
 OLD_FILES+=usr/share/terminfo/r/rbcomm-w
 OLD_FILES+=usr/share/terminfo/r/rca
 OLD_FILES+=usr/share/terminfo/r/rcons
 OLD_FILES+=usr/share/terminfo/r/rcons-color
 OLD_FILES+=usr/share/terminfo/r/rebus3180
 OLD_FILES+=usr/share/terminfo/r/regent
 OLD_FILES+=usr/share/terminfo/r/regent100
 OLD_FILES+=usr/share/terminfo/r/regent20
 OLD_FILES+=usr/share/terminfo/r/regent200
 OLD_FILES+=usr/share/terminfo/r/regent25
 OLD_FILES+=usr/share/terminfo/r/regent40
 OLD_FILES+=usr/share/terminfo/r/regent40+
 OLD_FILES+=usr/share/terminfo/r/regent60
 OLD_FILES+=usr/share/terminfo/r/rt6221
 OLD_FILES+=usr/share/terminfo/r/rt6221-w
 OLD_FILES+=usr/share/terminfo/r/rtpc
 OLD_FILES+=usr/share/terminfo/r/rxvt
 OLD_FILES+=usr/share/terminfo/r/rxvt+pcfkeys
 OLD_FILES+=usr/share/terminfo/r/rxvt-16color
 OLD_FILES+=usr/share/terminfo/r/rxvt-256color
 OLD_FILES+=usr/share/terminfo/r/rxvt-88color
 OLD_FILES+=usr/share/terminfo/r/rxvt-basic
 OLD_FILES+=usr/share/terminfo/r/rxvt-color
 OLD_FILES+=usr/share/terminfo/r/rxvt-cygwin
 OLD_FILES+=usr/share/terminfo/r/rxvt-cygwin-native
 OLD_FILES+=usr/share/terminfo/r/rxvt-xpm
 OLD_DIRS+=usr/share/terminfo/r/
 OLD_FILES+=usr/share/terminfo/s/s4
 OLD_FILES+=usr/share/terminfo/s/sb1
 OLD_FILES+=usr/share/terminfo/s/sb2
 OLD_FILES+=usr/share/terminfo/s/sb3
 OLD_FILES+=usr/share/terminfo/s/sbi
 OLD_FILES+=usr/share/terminfo/s/sbobcat
 OLD_FILES+=usr/share/terminfo/s/sc410
 OLD_FILES+=usr/share/terminfo/s/sc415
 OLD_FILES+=usr/share/terminfo/s/scanset
 OLD_FILES+=usr/share/terminfo/s/scoansi
 OLD_FILES+=usr/share/terminfo/s/scoansi-new
 OLD_FILES+=usr/share/terminfo/s/scoansi-old
 OLD_FILES+=usr/share/terminfo/s/screen
 OLD_FILES+=usr/share/terminfo/s/screen+fkeys
 OLD_FILES+=usr/share/terminfo/s/screen+italics
 OLD_FILES+=usr/share/terminfo/s/screen-16color
 OLD_FILES+=usr/share/terminfo/s/screen-16color-bce
 OLD_FILES+=usr/share/terminfo/s/screen-16color-bce-s
 OLD_FILES+=usr/share/terminfo/s/screen-16color-s
 OLD_FILES+=usr/share/terminfo/s/screen-256color
 OLD_FILES+=usr/share/terminfo/s/screen-256color-bce
 OLD_FILES+=usr/share/terminfo/s/screen-256color-bce-s
 OLD_FILES+=usr/share/terminfo/s/screen-256color-s
 OLD_FILES+=usr/share/terminfo/s/screen-bce
 OLD_FILES+=usr/share/terminfo/s/screen-bce.Eterm
 OLD_FILES+=usr/share/terminfo/s/screen-bce.gnome
 OLD_FILES+=usr/share/terminfo/s/screen-bce.konsole
 OLD_FILES+=usr/share/terminfo/s/screen-bce.linux
 OLD_FILES+=usr/share/terminfo/s/screen-bce.mrxvt
 OLD_FILES+=usr/share/terminfo/s/screen-bce.rxvt
 OLD_FILES+=usr/share/terminfo/s/screen-bce.xterm-new
 OLD_FILES+=usr/share/terminfo/s/screen-s
 OLD_FILES+=usr/share/terminfo/s/screen-w
 OLD_FILES+=usr/share/terminfo/s/screen.Eterm
 OLD_FILES+=usr/share/terminfo/s/screen.gnome
 OLD_FILES+=usr/share/terminfo/s/screen.konsole
 OLD_FILES+=usr/share/terminfo/s/screen.konsole-256color
 OLD_FILES+=usr/share/terminfo/s/screen.linux
 OLD_FILES+=usr/share/terminfo/s/screen.linux-m1
 OLD_FILES+=usr/share/terminfo/s/screen.linux-m1b
 OLD_FILES+=usr/share/terminfo/s/screen.linux-m2
 OLD_FILES+=usr/share/terminfo/s/screen.linux-s
 OLD_FILES+=usr/share/terminfo/s/screen.minitel1
 OLD_FILES+=usr/share/terminfo/s/screen.minitel1-nb
 OLD_FILES+=usr/share/terminfo/s/screen.minitel12-80
 OLD_FILES+=usr/share/terminfo/s/screen.minitel1b
 OLD_FILES+=usr/share/terminfo/s/screen.minitel1b-80
 OLD_FILES+=usr/share/terminfo/s/screen.minitel1b-nb
 OLD_FILES+=usr/share/terminfo/s/screen.minitel2-80
 OLD_FILES+=usr/share/terminfo/s/screen.mlterm
 OLD_FILES+=usr/share/terminfo/s/screen.mlterm-256color
 OLD_FILES+=usr/share/terminfo/s/screen.mrxvt
 OLD_FILES+=usr/share/terminfo/s/screen.putty
 OLD_FILES+=usr/share/terminfo/s/screen.putty-256color
 OLD_FILES+=usr/share/terminfo/s/screen.putty-m1
 OLD_FILES+=usr/share/terminfo/s/screen.putty-m1b
 OLD_FILES+=usr/share/terminfo/s/screen.putty-m2
 OLD_FILES+=usr/share/terminfo/s/screen.rxvt
 OLD_FILES+=usr/share/terminfo/s/screen.teraterm
 OLD_FILES+=usr/share/terminfo/s/screen.vte
 OLD_FILES+=usr/share/terminfo/s/screen.vte-256color
 OLD_FILES+=usr/share/terminfo/s/screen.xterm-256color
 OLD_FILES+=usr/share/terminfo/s/screen.xterm-new
 OLD_FILES+=usr/share/terminfo/s/screen.xterm-r6
 OLD_FILES+=usr/share/terminfo/s/screen.xterm-xfree86
 OLD_FILES+=usr/share/terminfo/s/screen2
 OLD_FILES+=usr/share/terminfo/s/screen3
 OLD_FILES+=usr/share/terminfo/s/screen4
 OLD_FILES+=usr/share/terminfo/s/screen5
 OLD_FILES+=usr/share/terminfo/s/screwpoint
 OLD_FILES+=usr/share/terminfo/s/scrhp
 OLD_FILES+=usr/share/terminfo/s/scrt
 OLD_FILES+=usr/share/terminfo/s/securecrt
 OLD_FILES+=usr/share/terminfo/s/sibo
 OLD_FILES+=usr/share/terminfo/s/simpleterm
 OLD_FILES+=usr/share/terminfo/s/simterm
 OLD_FILES+=usr/share/terminfo/s/soroc
 OLD_FILES+=usr/share/terminfo/s/soroc120
 OLD_FILES+=usr/share/terminfo/s/soroc140
 OLD_FILES+=usr/share/terminfo/s/spinwriter
 OLD_FILES+=usr/share/terminfo/s/st
 OLD_FILES+=usr/share/terminfo/s/st-0.6
 OLD_FILES+=usr/share/terminfo/s/st-0.7
 OLD_FILES+=usr/share/terminfo/s/st-0.8
 OLD_FILES+=usr/share/terminfo/s/st-16color
 OLD_FILES+=usr/share/terminfo/s/st-256color
 OLD_FILES+=usr/share/terminfo/s/st-direct
 OLD_FILES+=usr/share/terminfo/s/st52
 OLD_FILES+=usr/share/terminfo/s/st52-color
 OLD_FILES+=usr/share/terminfo/s/st52-m
 OLD_FILES+=usr/share/terminfo/s/st52-old
 OLD_FILES+=usr/share/terminfo/s/stterm
 OLD_FILES+=usr/share/terminfo/s/stterm-16color
 OLD_FILES+=usr/share/terminfo/s/stterm-256color
 OLD_FILES+=usr/share/terminfo/s/stv52
 OLD_FILES+=usr/share/terminfo/s/stv52pc
 OLD_FILES+=usr/share/terminfo/s/sun
 OLD_FILES+=usr/share/terminfo/s/sun+sl
 OLD_FILES+=usr/share/terminfo/s/sun-1
 OLD_FILES+=usr/share/terminfo/s/sun-12
 OLD_FILES+=usr/share/terminfo/s/sun-17
 OLD_FILES+=usr/share/terminfo/s/sun-24
 OLD_FILES+=usr/share/terminfo/s/sun-34
 OLD_FILES+=usr/share/terminfo/s/sun-48
 OLD_FILES+=usr/share/terminfo/s/sun-c
 OLD_FILES+=usr/share/terminfo/s/sun-cgsix
 OLD_FILES+=usr/share/terminfo/s/sun-cmd
 OLD_FILES+=usr/share/terminfo/s/sun-color
 OLD_FILES+=usr/share/terminfo/s/sun-e
 OLD_FILES+=usr/share/terminfo/s/sun-e-s
 OLD_FILES+=usr/share/terminfo/s/sun-il
 OLD_FILES+=usr/share/terminfo/s/sun-nic
 OLD_FILES+=usr/share/terminfo/s/sun-s
 OLD_FILES+=usr/share/terminfo/s/sun-s-e
 OLD_FILES+=usr/share/terminfo/s/sun-ss5
 OLD_FILES+=usr/share/terminfo/s/sun-type4
 OLD_FILES+=usr/share/terminfo/s/sun1
 OLD_FILES+=usr/share/terminfo/s/sun2
 OLD_FILES+=usr/share/terminfo/s/sune
 OLD_FILES+=usr/share/terminfo/s/superbee
 OLD_FILES+=usr/share/terminfo/s/superbee-xsb
 OLD_FILES+=usr/share/terminfo/s/superbeeic
 OLD_FILES+=usr/share/terminfo/s/superbrain
 OLD_FILES+=usr/share/terminfo/s/sv80
 OLD_FILES+=usr/share/terminfo/s/swtp
 OLD_FILES+=usr/share/terminfo/s/synertek
 OLD_FILES+=usr/share/terminfo/s/synertek380
 OLD_FILES+=usr/share/terminfo/s/system1
 OLD_DIRS+=usr/share/terminfo/s/
 
 OLD_FILES+=usr/share/terminfo/t/t10
 OLD_FILES+=usr/share/terminfo/t/t1061
 OLD_FILES+=usr/share/terminfo/t/t1061f
 OLD_FILES+=usr/share/terminfo/t/t16
 OLD_FILES+=usr/share/terminfo/t/t3700
 OLD_FILES+=usr/share/terminfo/t/t3800
 OLD_FILES+=usr/share/terminfo/t/t653x
 OLD_FILES+=usr/share/terminfo/t/tab
 OLD_FILES+=usr/share/terminfo/t/tab132
 OLD_FILES+=usr/share/terminfo/t/tab132-15
 OLD_FILES+=usr/share/terminfo/t/tab132-rv
 OLD_FILES+=usr/share/terminfo/t/tab132-w
 OLD_FILES+=usr/share/terminfo/t/tab132-w-rv
 OLD_FILES+=usr/share/terminfo/t/tandem6510
 OLD_FILES+=usr/share/terminfo/t/tandem653
 OLD_FILES+=usr/share/terminfo/t/tek
 OLD_FILES+=usr/share/terminfo/t/tek4012
 OLD_FILES+=usr/share/terminfo/t/tek4013
 OLD_FILES+=usr/share/terminfo/t/tek4014
 OLD_FILES+=usr/share/terminfo/t/tek4014-sm
 OLD_FILES+=usr/share/terminfo/t/tek4015
 OLD_FILES+=usr/share/terminfo/t/tek4015-sm
 OLD_FILES+=usr/share/terminfo/t/tek4023
 OLD_FILES+=usr/share/terminfo/t/tek4024
 OLD_FILES+=usr/share/terminfo/t/tek4025
 OLD_FILES+=usr/share/terminfo/t/tek4025-17
 OLD_FILES+=usr/share/terminfo/t/tek4025-17-ws
 OLD_FILES+=usr/share/terminfo/t/tek4025-cr
 OLD_FILES+=usr/share/terminfo/t/tek4025-ex
 OLD_FILES+=usr/share/terminfo/t/tek4025a
 OLD_FILES+=usr/share/terminfo/t/tek4025ex
 OLD_FILES+=usr/share/terminfo/t/tek4027
 OLD_FILES+=usr/share/terminfo/t/tek4027-ex
 OLD_FILES+=usr/share/terminfo/t/tek4105
 OLD_FILES+=usr/share/terminfo/t/tek4105-30
 OLD_FILES+=usr/share/terminfo/t/tek4105a
 OLD_FILES+=usr/share/terminfo/t/tek4106brl
 OLD_FILES+=usr/share/terminfo/t/tek4107
 OLD_FILES+=usr/share/terminfo/t/tek4107brl
 OLD_FILES+=usr/share/terminfo/t/tek4109
 OLD_FILES+=usr/share/terminfo/t/tek4109brl
 OLD_FILES+=usr/share/terminfo/t/tek4112
 OLD_FILES+=usr/share/terminfo/t/tek4112-5
 OLD_FILES+=usr/share/terminfo/t/tek4112-nd
 OLD_FILES+=usr/share/terminfo/t/tek4113
 OLD_FILES+=usr/share/terminfo/t/tek4113-34
 OLD_FILES+=usr/share/terminfo/t/tek4113-nd
 OLD_FILES+=usr/share/terminfo/t/tek4114
 OLD_FILES+=usr/share/terminfo/t/tek4115
 OLD_FILES+=usr/share/terminfo/t/tek4125
 OLD_FILES+=usr/share/terminfo/t/tek4205
 OLD_FILES+=usr/share/terminfo/t/tek4207
 OLD_FILES+=usr/share/terminfo/t/tek4207-s
 OLD_FILES+=usr/share/terminfo/t/tek4404
 OLD_FILES+=usr/share/terminfo/t/teken
 OLD_FILES+=usr/share/terminfo/t/teleray
 OLD_FILES+=usr/share/terminfo/t/teletec
 OLD_FILES+=usr/share/terminfo/t/teraterm
 OLD_FILES+=usr/share/terminfo/t/teraterm-256color
 OLD_FILES+=usr/share/terminfo/t/teraterm2.3
 OLD_FILES+=usr/share/terminfo/t/teraterm4.59
 OLD_FILES+=usr/share/terminfo/t/teraterm4.97
 OLD_FILES+=usr/share/terminfo/t/terminator
 OLD_FILES+=usr/share/terminfo/t/terminet
 OLD_FILES+=usr/share/terminfo/t/terminet1200
 OLD_FILES+=usr/share/terminfo/t/terminet300
 OLD_FILES+=usr/share/terminfo/t/terminology
 OLD_FILES+=usr/share/terminfo/t/terminology-0.6.1
 OLD_FILES+=usr/share/terminfo/t/terminology-1.0.0
 OLD_FILES+=usr/share/terminfo/t/terminology-1.8.1
 OLD_FILES+=usr/share/terminfo/t/termite
 OLD_FILES+=usr/share/terminfo/t/tgtelnet
 OLD_FILES+=usr/share/terminfo/t/ti700
 OLD_FILES+=usr/share/terminfo/t/ti703
 OLD_FILES+=usr/share/terminfo/t/ti703-w
 OLD_FILES+=usr/share/terminfo/t/ti707
 OLD_FILES+=usr/share/terminfo/t/ti707-w
 OLD_FILES+=usr/share/terminfo/t/ti733
 OLD_FILES+=usr/share/terminfo/t/ti735
 OLD_FILES+=usr/share/terminfo/t/ti745
 OLD_FILES+=usr/share/terminfo/t/ti800
 OLD_FILES+=usr/share/terminfo/t/ti916
 OLD_FILES+=usr/share/terminfo/t/ti916-132
 OLD_FILES+=usr/share/terminfo/t/ti916-220-7
 OLD_FILES+=usr/share/terminfo/t/ti916-220-8
 OLD_FILES+=usr/share/terminfo/t/ti916-8
 OLD_FILES+=usr/share/terminfo/t/ti916-8-132
 OLD_FILES+=usr/share/terminfo/t/ti924
 OLD_FILES+=usr/share/terminfo/t/ti924-8
 OLD_FILES+=usr/share/terminfo/t/ti924-8w
 OLD_FILES+=usr/share/terminfo/t/ti924w
 OLD_FILES+=usr/share/terminfo/t/ti926
 OLD_FILES+=usr/share/terminfo/t/ti926-8
 OLD_FILES+=usr/share/terminfo/t/ti928
 OLD_FILES+=usr/share/terminfo/t/ti928-8
 OLD_FILES+=usr/share/terminfo/t/ti931
 OLD_FILES+=usr/share/terminfo/t/ti_ansi
 OLD_FILES+=usr/share/terminfo/t/tkterm
 OLD_FILES+=usr/share/terminfo/t/tmux
 OLD_FILES+=usr/share/terminfo/t/tmux-256color
 OLD_FILES+=usr/share/terminfo/t/tmux-direct
 OLD_FILES+=usr/share/terminfo/t/tn1200
 OLD_FILES+=usr/share/terminfo/t/tn300
 OLD_FILES+=usr/share/terminfo/t/trs16
 OLD_FILES+=usr/share/terminfo/t/trs2
 OLD_FILES+=usr/share/terminfo/t/trs80II
 OLD_FILES+=usr/share/terminfo/t/trsII
 OLD_FILES+=usr/share/terminfo/t/ts-1
 OLD_FILES+=usr/share/terminfo/t/ts-1p
 OLD_FILES+=usr/share/terminfo/t/ts1
 OLD_FILES+=usr/share/terminfo/t/ts100
 OLD_FILES+=usr/share/terminfo/t/ts100-ctxt
 OLD_FILES+=usr/share/terminfo/t/ts100-sp
 OLD_FILES+=usr/share/terminfo/t/ts1p
 OLD_FILES+=usr/share/terminfo/t/tt
 OLD_FILES+=usr/share/terminfo/t/tt505-22
 OLD_FILES+=usr/share/terminfo/t/tt52
 OLD_FILES+=usr/share/terminfo/t/tty33
 OLD_FILES+=usr/share/terminfo/t/tty35
 OLD_FILES+=usr/share/terminfo/t/tty37
 OLD_FILES+=usr/share/terminfo/t/tty40
 OLD_FILES+=usr/share/terminfo/t/tty43
 OLD_FILES+=usr/share/terminfo/t/tty4420
 OLD_FILES+=usr/share/terminfo/t/tty4424
 OLD_FILES+=usr/share/terminfo/t/tty4424-1
 OLD_FILES+=usr/share/terminfo/t/tty4424m
 OLD_FILES+=usr/share/terminfo/t/tty4426
 OLD_FILES+=usr/share/terminfo/t/tty5410
 OLD_FILES+=usr/share/terminfo/t/tty5410-w
 OLD_FILES+=usr/share/terminfo/t/tty5410v1
 OLD_FILES+=usr/share/terminfo/t/tty5410v1-w
 OLD_FILES+=usr/share/terminfo/t/tty5420
 OLD_FILES+=usr/share/terminfo/t/tty5420+nl
 OLD_FILES+=usr/share/terminfo/t/tty5420-nl
 OLD_FILES+=usr/share/terminfo/t/tty5420-rv
 OLD_FILES+=usr/share/terminfo/t/tty5420-rv-nl
 OLD_FILES+=usr/share/terminfo/t/tty5420-w
 OLD_FILES+=usr/share/terminfo/t/tty5420-w-nl
 OLD_FILES+=usr/share/terminfo/t/tty5420-w-rv
 OLD_FILES+=usr/share/terminfo/t/tty5420-w-rv-n
 OLD_FILES+=usr/share/terminfo/t/tty5425
 OLD_FILES+=usr/share/terminfo/t/tty5425-nl
 OLD_FILES+=usr/share/terminfo/t/tty5425-w
 OLD_FILES+=usr/share/terminfo/t/tty5620
 OLD_FILES+=usr/share/terminfo/t/tty5620-1
 OLD_FILES+=usr/share/terminfo/t/tty5620-24
 OLD_FILES+=usr/share/terminfo/t/tty5620-34
 OLD_FILES+=usr/share/terminfo/t/tty5620-s
 OLD_FILES+=usr/share/terminfo/t/ttydmd
 OLD_FILES+=usr/share/terminfo/t/tvi803
 OLD_FILES+=usr/share/terminfo/t/tvi9065
 OLD_FILES+=usr/share/terminfo/t/tvi910
 OLD_FILES+=usr/share/terminfo/t/tvi910+
 OLD_FILES+=usr/share/terminfo/t/tvi912
 OLD_FILES+=usr/share/terminfo/t/tvi912b
 OLD_FILES+=usr/share/terminfo/t/tvi912b+2p
 OLD_FILES+=usr/share/terminfo/t/tvi912b+dim
 OLD_FILES+=usr/share/terminfo/t/tvi912b+mc
 OLD_FILES+=usr/share/terminfo/t/tvi912b+printer
 OLD_FILES+=usr/share/terminfo/t/tvi912b+vb
 OLD_FILES+=usr/share/terminfo/t/tvi912b-2p
 OLD_FILES+=usr/share/terminfo/t/tvi912b-2p-mc
 OLD_FILES+=usr/share/terminfo/t/tvi912b-2p-p
 OLD_FILES+=usr/share/terminfo/t/tvi912b-2p-unk
 OLD_FILES+=usr/share/terminfo/t/tvi912b-mc
 OLD_FILES+=usr/share/terminfo/t/tvi912b-mc-2p
 OLD_FILES+=usr/share/terminfo/t/tvi912b-mc-vb
 OLD_FILES+=usr/share/terminfo/t/tvi912b-p
 OLD_FILES+=usr/share/terminfo/t/tvi912b-p-2p
 OLD_FILES+=usr/share/terminfo/t/tvi912b-p-vb
 OLD_FILES+=usr/share/terminfo/t/tvi912b-unk
 OLD_FILES+=usr/share/terminfo/t/tvi912b-unk-2p
 OLD_FILES+=usr/share/terminfo/t/tvi912b-unk-vb
 OLD_FILES+=usr/share/terminfo/t/tvi912b-vb
 OLD_FILES+=usr/share/terminfo/t/tvi912b-vb-mc
 OLD_FILES+=usr/share/terminfo/t/tvi912b-vb-p
 OLD_FILES+=usr/share/terminfo/t/tvi912b-vb-unk
 OLD_FILES+=usr/share/terminfo/t/tvi912c
 OLD_FILES+=usr/share/terminfo/t/tvi912c-2p
 OLD_FILES+=usr/share/terminfo/t/tvi912c-2p-mc
 OLD_FILES+=usr/share/terminfo/t/tvi912c-2p-p
 OLD_FILES+=usr/share/terminfo/t/tvi912c-2p-unk
 OLD_FILES+=usr/share/terminfo/t/tvi912c-mc
 OLD_FILES+=usr/share/terminfo/t/tvi912c-mc-2p
 OLD_FILES+=usr/share/terminfo/t/tvi912c-mc-vb
 OLD_FILES+=usr/share/terminfo/t/tvi912c-p
 OLD_FILES+=usr/share/terminfo/t/tvi912c-p-2p
 OLD_FILES+=usr/share/terminfo/t/tvi912c-p-vb
 OLD_FILES+=usr/share/terminfo/t/tvi912c-unk
 OLD_FILES+=usr/share/terminfo/t/tvi912c-unk-2p
 OLD_FILES+=usr/share/terminfo/t/tvi912c-unk-vb
 OLD_FILES+=usr/share/terminfo/t/tvi912c-vb
 OLD_FILES+=usr/share/terminfo/t/tvi912c-vb-mc
 OLD_FILES+=usr/share/terminfo/t/tvi912c-vb-p
 OLD_FILES+=usr/share/terminfo/t/tvi912c-vb-unk
 OLD_FILES+=usr/share/terminfo/t/tvi912cc
 OLD_FILES+=usr/share/terminfo/t/tvi914
 OLD_FILES+=usr/share/terminfo/t/tvi920
 OLD_FILES+=usr/share/terminfo/t/tvi920b
 OLD_FILES+=usr/share/terminfo/t/tvi920b+fn
 OLD_FILES+=usr/share/terminfo/t/tvi920b-2p
 OLD_FILES+=usr/share/terminfo/t/tvi920b-2p-mc
 OLD_FILES+=usr/share/terminfo/t/tvi920b-2p-p
 OLD_FILES+=usr/share/terminfo/t/tvi920b-2p-unk
 OLD_FILES+=usr/share/terminfo/t/tvi920b-mc
 OLD_FILES+=usr/share/terminfo/t/tvi920b-mc-2p
 OLD_FILES+=usr/share/terminfo/t/tvi920b-mc-vb
 OLD_FILES+=usr/share/terminfo/t/tvi920b-p
 OLD_FILES+=usr/share/terminfo/t/tvi920b-p-2p
 OLD_FILES+=usr/share/terminfo/t/tvi920b-p-vb
 OLD_FILES+=usr/share/terminfo/t/tvi920b-unk
 OLD_FILES+=usr/share/terminfo/t/tvi920b-unk-2p
 OLD_FILES+=usr/share/terminfo/t/tvi920b-unk-vb
 OLD_FILES+=usr/share/terminfo/t/tvi920b-vb
 OLD_FILES+=usr/share/terminfo/t/tvi920b-vb-mc
 OLD_FILES+=usr/share/terminfo/t/tvi920b-vb-p
 OLD_FILES+=usr/share/terminfo/t/tvi920b-vb-unk
 OLD_FILES+=usr/share/terminfo/t/tvi920c
 OLD_FILES+=usr/share/terminfo/t/tvi920c-2p
 OLD_FILES+=usr/share/terminfo/t/tvi920c-2p-mc
 OLD_FILES+=usr/share/terminfo/t/tvi920c-2p-p
 OLD_FILES+=usr/share/terminfo/t/tvi920c-2p-unk
 OLD_FILES+=usr/share/terminfo/t/tvi920c-mc
 OLD_FILES+=usr/share/terminfo/t/tvi920c-mc-2p
 OLD_FILES+=usr/share/terminfo/t/tvi920c-mc-vb
 OLD_FILES+=usr/share/terminfo/t/tvi920c-p
 OLD_FILES+=usr/share/terminfo/t/tvi920c-p-2p
 OLD_FILES+=usr/share/terminfo/t/tvi920c-p-vb
 OLD_FILES+=usr/share/terminfo/t/tvi920c-unk
 OLD_FILES+=usr/share/terminfo/t/tvi920c-unk-2p
 OLD_FILES+=usr/share/terminfo/t/tvi920c-unk-vb
 OLD_FILES+=usr/share/terminfo/t/tvi920c-vb
 OLD_FILES+=usr/share/terminfo/t/tvi920c-vb-mc
 OLD_FILES+=usr/share/terminfo/t/tvi920c-vb-p
 OLD_FILES+=usr/share/terminfo/t/tvi920c-vb-unk
 OLD_FILES+=usr/share/terminfo/t/tvi921
 OLD_FILES+=usr/share/terminfo/t/tvi924
 OLD_FILES+=usr/share/terminfo/t/tvi925
 OLD_FILES+=usr/share/terminfo/t/tvi925-hi
 OLD_FILES+=usr/share/terminfo/t/tvi92B
 OLD_FILES+=usr/share/terminfo/t/tvi92D
 OLD_FILES+=usr/share/terminfo/t/tvi950
 OLD_FILES+=usr/share/terminfo/t/tvi950-2p
 OLD_FILES+=usr/share/terminfo/t/tvi950-4p
 OLD_FILES+=usr/share/terminfo/t/tvi950-rv
 OLD_FILES+=usr/share/terminfo/t/tvi950-rv-2p
 OLD_FILES+=usr/share/terminfo/t/tvi950-rv-4p
 OLD_FILES+=usr/share/terminfo/t/tvi955
 OLD_FILES+=usr/share/terminfo/t/tvi955-hb
 OLD_FILES+=usr/share/terminfo/t/tvi955-w
 OLD_FILES+=usr/share/terminfo/t/tvi970
 OLD_FILES+=usr/share/terminfo/t/tvi970-2p
 OLD_FILES+=usr/share/terminfo/t/tvi970-vb
 OLD_FILES+=usr/share/terminfo/t/tvipt
 OLD_FILES+=usr/share/terminfo/t/tw100
 OLD_FILES+=usr/share/terminfo/t/tw52
 OLD_FILES+=usr/share/terminfo/t/tw52-color
 OLD_FILES+=usr/share/terminfo/t/tw52-m
 OLD_FILES+=usr/share/terminfo/t/tws-generic
 OLD_FILES+=usr/share/terminfo/t/tws2102-sna
 OLD_FILES+=usr/share/terminfo/t/tws2103
 OLD_FILES+=usr/share/terminfo/t/tws2103-sna
 OLD_DIRS+=usr/share/terminfo/t/
 OLD_FILES+=usr/share/terminfo/u/ultima2
 OLD_FILES+=usr/share/terminfo/u/ultimaII
 OLD_FILES+=usr/share/terminfo/u/uniterm
 OLD_FILES+=usr/share/terminfo/u/uniterm49
 OLD_FILES+=usr/share/terminfo/u/unixpc
 OLD_FILES+=usr/share/terminfo/u/unknown
 OLD_FILES+=usr/share/terminfo/u/uts30
 OLD_FILES+=usr/share/terminfo/u/uwin
 OLD_DIRS+=usr/share/terminfo/u/
 OLD_FILES+=usr/share/terminfo/v/v200-nam
 OLD_FILES+=usr/share/terminfo/v/v320n
 OLD_FILES+=usr/share/terminfo/v/v3220
 OLD_FILES+=usr/share/terminfo/v/v5410
 OLD_FILES+=usr/share/terminfo/v/vanilla
 OLD_FILES+=usr/share/terminfo/v/vapple
 OLD_FILES+=usr/share/terminfo/v/vc103
 OLD_FILES+=usr/share/terminfo/v/vc203
 OLD_FILES+=usr/share/terminfo/v/vc303
 OLD_FILES+=usr/share/terminfo/v/vc303a
 OLD_FILES+=usr/share/terminfo/v/vc403a
 OLD_FILES+=usr/share/terminfo/v/vc404
 OLD_FILES+=usr/share/terminfo/v/vc404-s
 OLD_FILES+=usr/share/terminfo/v/vc414
 OLD_FILES+=usr/share/terminfo/v/vc414h
 OLD_FILES+=usr/share/terminfo/v/vc415
 OLD_FILES+=usr/share/terminfo/v/venix
 OLD_FILES+=usr/share/terminfo/v/versaterm
 OLD_FILES+=usr/share/terminfo/v/vi200
 OLD_FILES+=usr/share/terminfo/v/vi200-f
 OLD_FILES+=usr/share/terminfo/v/vi200-rv
 OLD_FILES+=usr/share/terminfo/v/vi300
 OLD_FILES+=usr/share/terminfo/v/vi300-old
 OLD_FILES+=usr/share/terminfo/v/vi50
 OLD_FILES+=usr/share/terminfo/v/vi500
 OLD_FILES+=usr/share/terminfo/v/vi50adm
 OLD_FILES+=usr/share/terminfo/v/vi55
 OLD_FILES+=usr/share/terminfo/v/vi550
 OLD_FILES+=usr/share/terminfo/v/vi603
 OLD_FILES+=usr/share/terminfo/v/viewdata
 OLD_FILES+=usr/share/terminfo/v/viewdata-o
 OLD_FILES+=usr/share/terminfo/v/viewdata-rv
 OLD_FILES+=usr/share/terminfo/v/viewpoint
 OLD_FILES+=usr/share/terminfo/v/viewpoint3a+
 OLD_FILES+=usr/share/terminfo/v/viewpoint60
 OLD_FILES+=usr/share/terminfo/v/viewpoint90
 OLD_FILES+=usr/share/terminfo/v/vip
 OLD_FILES+=usr/share/terminfo/v/vip-H
 OLD_FILES+=usr/share/terminfo/v/vip-Hw
 OLD_FILES+=usr/share/terminfo/v/vip-w
 OLD_FILES+=usr/share/terminfo/v/vip7800-H
 OLD_FILES+=usr/share/terminfo/v/vip7800-Hw
 OLD_FILES+=usr/share/terminfo/v/vip7800-w
 OLD_FILES+=usr/share/terminfo/v/visa50
 OLD_FILES+=usr/share/terminfo/v/visual603
 OLD_FILES+=usr/share/terminfo/v/vitty
 OLD_FILES+=usr/share/terminfo/v/vk100
 OLD_FILES+=usr/share/terminfo/v/vp3a+
 OLD_FILES+=usr/share/terminfo/v/vp60
 OLD_FILES+=usr/share/terminfo/v/vp90
 OLD_FILES+=usr/share/terminfo/v/vremote
 OLD_FILES+=usr/share/terminfo/v/vs100
 OLD_FILES+=usr/share/terminfo/v/vs100-x10
 OLD_FILES+=usr/share/terminfo/v/vsc
 OLD_FILES+=usr/share/terminfo/v/vscode
 OLD_FILES+=usr/share/terminfo/v/vscode-direct
 OLD_FILES+=usr/share/terminfo/v/vt-61
 OLD_FILES+=usr/share/terminfo/v/vt-utf8
 OLD_FILES+=usr/share/terminfo/v/vt100
 OLD_FILES+=usr/share/terminfo/v/vt100+
 OLD_FILES+=usr/share/terminfo/v/vt100+4bsd
 OLD_FILES+=usr/share/terminfo/v/vt100+enq
 OLD_FILES+=usr/share/terminfo/v/vt100+fnkeys
 OLD_FILES+=usr/share/terminfo/v/vt100+keypad
 OLD_FILES+=usr/share/terminfo/v/vt100+pfkeys
 OLD_FILES+=usr/share/terminfo/v/vt100-am
 OLD_FILES+=usr/share/terminfo/v/vt100-bm
 OLD_FILES+=usr/share/terminfo/v/vt100-bm-o
 OLD_FILES+=usr/share/terminfo/v/vt100-bot-s
 OLD_FILES+=usr/share/terminfo/v/vt100-nam
 OLD_FILES+=usr/share/terminfo/v/vt100-nam-w
 OLD_FILES+=usr/share/terminfo/v/vt100-nav
 OLD_FILES+=usr/share/terminfo/v/vt100-nav-w
 OLD_FILES+=usr/share/terminfo/v/vt100-putty
 OLD_FILES+=usr/share/terminfo/v/vt100-s
 OLD_FILES+=usr/share/terminfo/v/vt100-s-bot
 OLD_FILES+=usr/share/terminfo/v/vt100-s-top
 OLD_FILES+=usr/share/terminfo/v/vt100-top-s
 OLD_FILES+=usr/share/terminfo/v/vt100-vb
 OLD_FILES+=usr/share/terminfo/v/vt100-w
 OLD_FILES+=usr/share/terminfo/v/vt100-w-am
 OLD_FILES+=usr/share/terminfo/v/vt100-w-nam
 OLD_FILES+=usr/share/terminfo/v/vt100-w-nav
 OLD_FILES+=usr/share/terminfo/v/vt100nam
 OLD_FILES+=usr/share/terminfo/v/vt102
 OLD_FILES+=usr/share/terminfo/v/vt102+enq
 OLD_FILES+=usr/share/terminfo/v/vt102-nsgr
 OLD_FILES+=usr/share/terminfo/v/vt102-w
 OLD_FILES+=usr/share/terminfo/v/vt125
 OLD_FILES+=usr/share/terminfo/v/vt131
 OLD_FILES+=usr/share/terminfo/v/vt132
 OLD_FILES+=usr/share/terminfo/v/vt200
 OLD_FILES+=usr/share/terminfo/v/vt200-8
 OLD_FILES+=usr/share/terminfo/v/vt200-8bit
 OLD_FILES+=usr/share/terminfo/v/vt200-js
 OLD_FILES+=usr/share/terminfo/v/vt200-old
 OLD_FILES+=usr/share/terminfo/v/vt200-w
 OLD_FILES+=usr/share/terminfo/v/vt220
 OLD_FILES+=usr/share/terminfo/v/vt220+cvis
 OLD_FILES+=usr/share/terminfo/v/vt220+cvis8
 OLD_FILES+=usr/share/terminfo/v/vt220+keypad
 OLD_FILES+=usr/share/terminfo/v/vt220+pcedit
 OLD_FILES+=usr/share/terminfo/v/vt220+vtedit
 OLD_FILES+=usr/share/terminfo/v/vt220-8
 OLD_FILES+=usr/share/terminfo/v/vt220-8bit
 OLD_FILES+=usr/share/terminfo/v/vt220-base
 OLD_FILES+=usr/share/terminfo/v/vt220-js
 OLD_FILES+=usr/share/terminfo/v/vt220-nam
 OLD_FILES+=usr/share/terminfo/v/vt220-old
 OLD_FILES+=usr/share/terminfo/v/vt220-w
 OLD_FILES+=usr/share/terminfo/v/vt220d
 OLD_FILES+=usr/share/terminfo/v/vt300
 OLD_FILES+=usr/share/terminfo/v/vt300-nam
 OLD_FILES+=usr/share/terminfo/v/vt300-w
 OLD_FILES+=usr/share/terminfo/v/vt300-w-nam
 OLD_FILES+=usr/share/terminfo/v/vt320
 OLD_FILES+=usr/share/terminfo/v/vt320-k3
 OLD_FILES+=usr/share/terminfo/v/vt320-k311
 OLD_FILES+=usr/share/terminfo/v/vt320-nam
 OLD_FILES+=usr/share/terminfo/v/vt320-w
 OLD_FILES+=usr/share/terminfo/v/vt320-w-nam
 OLD_FILES+=usr/share/terminfo/v/vt320nam
 OLD_FILES+=usr/share/terminfo/v/vt330
 OLD_FILES+=usr/share/terminfo/v/vt340
 OLD_FILES+=usr/share/terminfo/v/vt400
 OLD_FILES+=usr/share/terminfo/v/vt400-24
 OLD_FILES+=usr/share/terminfo/v/vt420
 OLD_FILES+=usr/share/terminfo/v/vt420+lrmm
 OLD_FILES+=usr/share/terminfo/v/vt420f
 OLD_FILES+=usr/share/terminfo/v/vt420pc
 OLD_FILES+=usr/share/terminfo/v/vt420pcdos
 OLD_FILES+=usr/share/terminfo/v/vt50
 OLD_FILES+=usr/share/terminfo/v/vt50h
 OLD_FILES+=usr/share/terminfo/v/vt510
 OLD_FILES+=usr/share/terminfo/v/vt510pc
 OLD_FILES+=usr/share/terminfo/v/vt510pcdos
 OLD_FILES+=usr/share/terminfo/v/vt52
 OLD_FILES+=usr/share/terminfo/v/vt52+keypad
 OLD_FILES+=usr/share/terminfo/v/vt52-basic
 OLD_FILES+=usr/share/terminfo/v/vt520
 OLD_FILES+=usr/share/terminfo/v/vt520ansi
 OLD_FILES+=usr/share/terminfo/v/vt525
 OLD_FILES+=usr/share/terminfo/v/vt61
 OLD_FILES+=usr/share/terminfo/v/vt61.5
 OLD_FILES+=usr/share/terminfo/v/vte
 OLD_FILES+=usr/share/terminfo/v/vte+pcfkeys
 OLD_FILES+=usr/share/terminfo/v/vte-2007
 OLD_FILES+=usr/share/terminfo/v/vte-2008
 OLD_FILES+=usr/share/terminfo/v/vte-2012
 OLD_FILES+=usr/share/terminfo/v/vte-2014
 OLD_FILES+=usr/share/terminfo/v/vte-2017
 OLD_FILES+=usr/share/terminfo/v/vte-2018
 OLD_FILES+=usr/share/terminfo/v/vte-256color
 OLD_FILES+=usr/share/terminfo/v/vte-direct
 OLD_FILES+=usr/share/terminfo/v/vtnt
 OLD_FILES+=usr/share/terminfo/v/vv100
 OLD_FILES+=usr/share/terminfo/v/vwmterm
 OLD_DIRS+=usr/share/terminfo/v/
 OLD_FILES+=usr/share/terminfo/w/wren
 OLD_FILES+=usr/share/terminfo/w/wrenw
 OLD_FILES+=usr/share/terminfo/w/wsiris
 OLD_FILES+=usr/share/terminfo/w/wsvt25
 OLD_FILES+=usr/share/terminfo/w/wsvt25m
 OLD_FILES+=usr/share/terminfo/w/wy-75ap
 OLD_FILES+=usr/share/terminfo/w/wy-99fgt
 OLD_FILES+=usr/share/terminfo/w/wy-99fgta
 OLD_FILES+=usr/share/terminfo/w/wy100
 OLD_FILES+=usr/share/terminfo/w/wy100q
 OLD_FILES+=usr/share/terminfo/w/wy120
 OLD_FILES+=usr/share/terminfo/w/wy120-25
 OLD_FILES+=usr/share/terminfo/w/wy120-25-w
 OLD_FILES+=usr/share/terminfo/w/wy120-vb
 OLD_FILES+=usr/share/terminfo/w/wy120-w
 OLD_FILES+=usr/share/terminfo/w/wy120-w-vb
 OLD_FILES+=usr/share/terminfo/w/wy120-wvb
 OLD_FILES+=usr/share/terminfo/w/wy150
 OLD_FILES+=usr/share/terminfo/w/wy150-25
 OLD_FILES+=usr/share/terminfo/w/wy150-25-w
 OLD_FILES+=usr/share/terminfo/w/wy150-vb
 OLD_FILES+=usr/share/terminfo/w/wy150-w
 OLD_FILES+=usr/share/terminfo/w/wy150-w-vb
 OLD_FILES+=usr/share/terminfo/w/wy160
 OLD_FILES+=usr/share/terminfo/w/wy160-25
 OLD_FILES+=usr/share/terminfo/w/wy160-25-w
 OLD_FILES+=usr/share/terminfo/w/wy160-42
 OLD_FILES+=usr/share/terminfo/w/wy160-42-w
 OLD_FILES+=usr/share/terminfo/w/wy160-43
 OLD_FILES+=usr/share/terminfo/w/wy160-43-w
 OLD_FILES+=usr/share/terminfo/w/wy160-tek
 OLD_FILES+=usr/share/terminfo/w/wy160-vb
 OLD_FILES+=usr/share/terminfo/w/wy160-w
 OLD_FILES+=usr/share/terminfo/w/wy160-w-vb
 OLD_FILES+=usr/share/terminfo/w/wy160-wvb
 OLD_FILES+=usr/share/terminfo/w/wy185
 OLD_FILES+=usr/share/terminfo/w/wy185-24
 OLD_FILES+=usr/share/terminfo/w/wy185-vb
 OLD_FILES+=usr/share/terminfo/w/wy185-w
 OLD_FILES+=usr/share/terminfo/w/wy185-wvb
 OLD_FILES+=usr/share/terminfo/w/wy30
 OLD_FILES+=usr/share/terminfo/w/wy30-mc
 OLD_FILES+=usr/share/terminfo/w/wy30-vb
 OLD_FILES+=usr/share/terminfo/w/wy325
 OLD_FILES+=usr/share/terminfo/w/wy325-25
 OLD_FILES+=usr/share/terminfo/w/wy325-25w
 OLD_FILES+=usr/share/terminfo/w/wy325-42
 OLD_FILES+=usr/share/terminfo/w/wy325-42w
 OLD_FILES+=usr/share/terminfo/w/wy325-42w-vb
 OLD_FILES+=usr/share/terminfo/w/wy325-42wvb
 OLD_FILES+=usr/share/terminfo/w/wy325-43
 OLD_FILES+=usr/share/terminfo/w/wy325-43w
 OLD_FILES+=usr/share/terminfo/w/wy325-43w-vb
 OLD_FILES+=usr/share/terminfo/w/wy325-43wvb
 OLD_FILES+=usr/share/terminfo/w/wy325-80
 OLD_FILES+=usr/share/terminfo/w/wy325-vb
 OLD_FILES+=usr/share/terminfo/w/wy325-w
 OLD_FILES+=usr/share/terminfo/w/wy325-w-vb
 OLD_FILES+=usr/share/terminfo/w/wy325-wvb
 OLD_FILES+=usr/share/terminfo/w/wy325w-24
 OLD_FILES+=usr/share/terminfo/w/wy350
 OLD_FILES+=usr/share/terminfo/w/wy350-vb
 OLD_FILES+=usr/share/terminfo/w/wy350-w
 OLD_FILES+=usr/share/terminfo/w/wy350-wvb
 OLD_FILES+=usr/share/terminfo/w/wy370
 OLD_FILES+=usr/share/terminfo/w/wy370-101k
 OLD_FILES+=usr/share/terminfo/w/wy370-105k
 OLD_FILES+=usr/share/terminfo/w/wy370-EPC
 OLD_FILES+=usr/share/terminfo/w/wy370-nk
 OLD_FILES+=usr/share/terminfo/w/wy370-rv
 OLD_FILES+=usr/share/terminfo/w/wy370-tek
 OLD_FILES+=usr/share/terminfo/w/wy370-vb
 OLD_FILES+=usr/share/terminfo/w/wy370-w
 OLD_FILES+=usr/share/terminfo/w/wy370-wvb
 OLD_FILES+=usr/share/terminfo/w/wy50
 OLD_FILES+=usr/share/terminfo/w/wy50-mc
 OLD_FILES+=usr/share/terminfo/w/wy50-vb
 OLD_FILES+=usr/share/terminfo/w/wy50-w
 OLD_FILES+=usr/share/terminfo/w/wy50-wvb
 OLD_FILES+=usr/share/terminfo/w/wy520
 OLD_FILES+=usr/share/terminfo/w/wy520-24
 OLD_FILES+=usr/share/terminfo/w/wy520-36
 OLD_FILES+=usr/share/terminfo/w/wy520-36pc
 OLD_FILES+=usr/share/terminfo/w/wy520-36w
 OLD_FILES+=usr/share/terminfo/w/wy520-36wpc
 OLD_FILES+=usr/share/terminfo/w/wy520-48
 OLD_FILES+=usr/share/terminfo/w/wy520-48pc
 OLD_FILES+=usr/share/terminfo/w/wy520-48w
 OLD_FILES+=usr/share/terminfo/w/wy520-48wpc
 OLD_FILES+=usr/share/terminfo/w/wy520-epc
 OLD_FILES+=usr/share/terminfo/w/wy520-epc-24
 OLD_FILES+=usr/share/terminfo/w/wy520-epc-vb
 OLD_FILES+=usr/share/terminfo/w/wy520-epc-w
 OLD_FILES+=usr/share/terminfo/w/wy520-epc-wvb
 OLD_FILES+=usr/share/terminfo/w/wy520-vb
 OLD_FILES+=usr/share/terminfo/w/wy520-w
 OLD_FILES+=usr/share/terminfo/w/wy520-wvb
 OLD_FILES+=usr/share/terminfo/w/wy60
 OLD_FILES+=usr/share/terminfo/w/wy60-25
 OLD_FILES+=usr/share/terminfo/w/wy60-25-w
 OLD_FILES+=usr/share/terminfo/w/wy60-316X
 OLD_FILES+=usr/share/terminfo/w/wy60-42
 OLD_FILES+=usr/share/terminfo/w/wy60-42-w
 OLD_FILES+=usr/share/terminfo/w/wy60-43
 OLD_FILES+=usr/share/terminfo/w/wy60-43-w
 OLD_FILES+=usr/share/terminfo/w/wy60-AT
 OLD_FILES+=usr/share/terminfo/w/wy60-PC
 OLD_FILES+=usr/share/terminfo/w/wy60-vb
 OLD_FILES+=usr/share/terminfo/w/wy60-w
 OLD_FILES+=usr/share/terminfo/w/wy60-w-vb
 OLD_FILES+=usr/share/terminfo/w/wy60-wvb
 OLD_FILES+=usr/share/terminfo/w/wy75
 OLD_FILES+=usr/share/terminfo/w/wy75-mc
 OLD_FILES+=usr/share/terminfo/w/wy75-vb
 OLD_FILES+=usr/share/terminfo/w/wy75-w
 OLD_FILES+=usr/share/terminfo/w/wy75-wvb
 OLD_FILES+=usr/share/terminfo/w/wy75ap
 OLD_FILES+=usr/share/terminfo/w/wy85
 OLD_FILES+=usr/share/terminfo/w/wy85-8bit
 OLD_FILES+=usr/share/terminfo/w/wy85-vb
 OLD_FILES+=usr/share/terminfo/w/wy85-w
 OLD_FILES+=usr/share/terminfo/w/wy85-wvb
 OLD_FILES+=usr/share/terminfo/w/wy99-ansi
 OLD_FILES+=usr/share/terminfo/w/wy99a-ansi
 OLD_FILES+=usr/share/terminfo/w/wy99f
 OLD_FILES+=usr/share/terminfo/w/wy99fa
 OLD_FILES+=usr/share/terminfo/w/wy99fgt
 OLD_FILES+=usr/share/terminfo/w/wy99fgta
 OLD_FILES+=usr/share/terminfo/w/wy99gt
 OLD_FILES+=usr/share/terminfo/w/wy99gt-25
 OLD_FILES+=usr/share/terminfo/w/wy99gt-25-w
 OLD_FILES+=usr/share/terminfo/w/wy99gt-tek
 OLD_FILES+=usr/share/terminfo/w/wy99gt-vb
 OLD_FILES+=usr/share/terminfo/w/wy99gt-w
 OLD_FILES+=usr/share/terminfo/w/wy99gt-w-vb
 OLD_FILES+=usr/share/terminfo/w/wy99gt-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse-325
 OLD_FILES+=usr/share/terminfo/w/wyse-75ap
 OLD_FILES+=usr/share/terminfo/w/wyse-vp
 OLD_FILES+=usr/share/terminfo/w/wyse120
 OLD_FILES+=usr/share/terminfo/w/wyse120-25
 OLD_FILES+=usr/share/terminfo/w/wyse120-25-w
 OLD_FILES+=usr/share/terminfo/w/wyse120-vb
 OLD_FILES+=usr/share/terminfo/w/wyse120-w
 OLD_FILES+=usr/share/terminfo/w/wyse120-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse150
 OLD_FILES+=usr/share/terminfo/w/wyse150-25
 OLD_FILES+=usr/share/terminfo/w/wyse150-25-w
 OLD_FILES+=usr/share/terminfo/w/wyse150-vb
 OLD_FILES+=usr/share/terminfo/w/wyse150-w
 OLD_FILES+=usr/share/terminfo/w/wyse150-w-vb
 OLD_FILES+=usr/share/terminfo/w/wyse160
 OLD_FILES+=usr/share/terminfo/w/wyse160-25
 OLD_FILES+=usr/share/terminfo/w/wyse160-25-w
 OLD_FILES+=usr/share/terminfo/w/wyse160-42
 OLD_FILES+=usr/share/terminfo/w/wyse160-42-w
 OLD_FILES+=usr/share/terminfo/w/wyse160-43
 OLD_FILES+=usr/share/terminfo/w/wyse160-43-w
 OLD_FILES+=usr/share/terminfo/w/wyse160-vb
 OLD_FILES+=usr/share/terminfo/w/wyse160-w
 OLD_FILES+=usr/share/terminfo/w/wyse160-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse185
 OLD_FILES+=usr/share/terminfo/w/wyse185-24
 OLD_FILES+=usr/share/terminfo/w/wyse185-vb
 OLD_FILES+=usr/share/terminfo/w/wyse185-w
 OLD_FILES+=usr/share/terminfo/w/wyse185-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse30
 OLD_FILES+=usr/share/terminfo/w/wyse30-mc
 OLD_FILES+=usr/share/terminfo/w/wyse30-vb
 OLD_FILES+=usr/share/terminfo/w/wyse325
 OLD_FILES+=usr/share/terminfo/w/wyse325-25
 OLD_FILES+=usr/share/terminfo/w/wyse325-25w
 OLD_FILES+=usr/share/terminfo/w/wyse325-42
 OLD_FILES+=usr/share/terminfo/w/wyse325-42w
 OLD_FILES+=usr/share/terminfo/w/wyse325-43
 OLD_FILES+=usr/share/terminfo/w/wyse325-43w
 OLD_FILES+=usr/share/terminfo/w/wyse325-vb
 OLD_FILES+=usr/share/terminfo/w/wyse325-w
 OLD_FILES+=usr/share/terminfo/w/wyse325-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse350
 OLD_FILES+=usr/share/terminfo/w/wyse350-vb
 OLD_FILES+=usr/share/terminfo/w/wyse350-w
 OLD_FILES+=usr/share/terminfo/w/wyse350-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse370
 OLD_FILES+=usr/share/terminfo/w/wyse50
 OLD_FILES+=usr/share/terminfo/w/wyse50-mc
 OLD_FILES+=usr/share/terminfo/w/wyse50-vb
 OLD_FILES+=usr/share/terminfo/w/wyse50-w
 OLD_FILES+=usr/share/terminfo/w/wyse50-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse520
 OLD_FILES+=usr/share/terminfo/w/wyse520-24
 OLD_FILES+=usr/share/terminfo/w/wyse520-36
 OLD_FILES+=usr/share/terminfo/w/wyse520-36pc
 OLD_FILES+=usr/share/terminfo/w/wyse520-36w
 OLD_FILES+=usr/share/terminfo/w/wyse520-36wpc
 OLD_FILES+=usr/share/terminfo/w/wyse520-48
 OLD_FILES+=usr/share/terminfo/w/wyse520-48pc
 OLD_FILES+=usr/share/terminfo/w/wyse520-48w
 OLD_FILES+=usr/share/terminfo/w/wyse520-48wpc
 OLD_FILES+=usr/share/terminfo/w/wyse520-epc
 OLD_FILES+=usr/share/terminfo/w/wyse520-epc-w
 OLD_FILES+=usr/share/terminfo/w/wyse520-p-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse520-pc-24
 OLD_FILES+=usr/share/terminfo/w/wyse520-pc-vb
 OLD_FILES+=usr/share/terminfo/w/wyse520-vb
 OLD_FILES+=usr/share/terminfo/w/wyse520-w
 OLD_FILES+=usr/share/terminfo/w/wyse520-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse60
 OLD_FILES+=usr/share/terminfo/w/wyse60-25
 OLD_FILES+=usr/share/terminfo/w/wyse60-25-w
 OLD_FILES+=usr/share/terminfo/w/wyse60-316X
 OLD_FILES+=usr/share/terminfo/w/wyse60-42
 OLD_FILES+=usr/share/terminfo/w/wyse60-42-w
 OLD_FILES+=usr/share/terminfo/w/wyse60-43
 OLD_FILES+=usr/share/terminfo/w/wyse60-43-w
 OLD_FILES+=usr/share/terminfo/w/wyse60-AT
 OLD_FILES+=usr/share/terminfo/w/wyse60-PC
 OLD_FILES+=usr/share/terminfo/w/wyse60-vb
 OLD_FILES+=usr/share/terminfo/w/wyse60-w
 OLD_FILES+=usr/share/terminfo/w/wyse60-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse75
 OLD_FILES+=usr/share/terminfo/w/wyse75-mc
 OLD_FILES+=usr/share/terminfo/w/wyse75-vb
 OLD_FILES+=usr/share/terminfo/w/wyse75-w
 OLD_FILES+=usr/share/terminfo/w/wyse75-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse75ap
 OLD_FILES+=usr/share/terminfo/w/wyse85
 OLD_FILES+=usr/share/terminfo/w/wyse85-8bit
 OLD_FILES+=usr/share/terminfo/w/wyse85-vb
 OLD_FILES+=usr/share/terminfo/w/wyse85-w
 OLD_FILES+=usr/share/terminfo/w/wyse85-wvb
 OLD_FILES+=usr/share/terminfo/w/wyse99gt
 OLD_FILES+=usr/share/terminfo/w/wyse99gt-25
 OLD_FILES+=usr/share/terminfo/w/wyse99gt-25-w
 OLD_FILES+=usr/share/terminfo/w/wyse99gt-vb
 OLD_FILES+=usr/share/terminfo/w/wyse99gt-w
 OLD_FILES+=usr/share/terminfo/w/wyse99gt-wvb
 OLD_DIRS+=usr/share/terminfo/w/
 OLD_FILES+=usr/share/terminfo/x/x10term
 OLD_FILES+=usr/share/terminfo/x/x1700
 OLD_FILES+=usr/share/terminfo/x/x1700-lm
 OLD_FILES+=usr/share/terminfo/x/x1720
 OLD_FILES+=usr/share/terminfo/x/x1750
 OLD_FILES+=usr/share/terminfo/x/x68k
 OLD_FILES+=usr/share/terminfo/x/x68k-ite
 OLD_FILES+=usr/share/terminfo/x/x820
 OLD_FILES+=usr/share/terminfo/x/xdku
 OLD_FILES+=usr/share/terminfo/x/xenix
 OLD_FILES+=usr/share/terminfo/x/xerox
 OLD_FILES+=usr/share/terminfo/x/xerox-lm
 OLD_FILES+=usr/share/terminfo/x/xerox1720
 OLD_FILES+=usr/share/terminfo/x/xerox820
 OLD_FILES+=usr/share/terminfo/x/xfce
 OLD_FILES+=usr/share/terminfo/x/xiterm
 OLD_FILES+=usr/share/terminfo/x/xl83
 OLD_FILES+=usr/share/terminfo/x/xnuppc
 OLD_FILES+=usr/share/terminfo/x/xnuppc+100x37
 OLD_FILES+=usr/share/terminfo/x/xnuppc+112x37
 OLD_FILES+=usr/share/terminfo/x/xnuppc+128x40
 OLD_FILES+=usr/share/terminfo/x/xnuppc+128x48
 OLD_FILES+=usr/share/terminfo/x/xnuppc+144x48
 OLD_FILES+=usr/share/terminfo/x/xnuppc+160x64
 OLD_FILES+=usr/share/terminfo/x/xnuppc+200x64
 OLD_FILES+=usr/share/terminfo/x/xnuppc+200x75
 OLD_FILES+=usr/share/terminfo/x/xnuppc+256x96
 OLD_FILES+=usr/share/terminfo/x/xnuppc+80x25
 OLD_FILES+=usr/share/terminfo/x/xnuppc+80x30
 OLD_FILES+=usr/share/terminfo/x/xnuppc+90x30
 OLD_FILES+=usr/share/terminfo/x/xnuppc+b
 OLD_FILES+=usr/share/terminfo/x/xnuppc+basic
 OLD_FILES+=usr/share/terminfo/x/xnuppc+c
 OLD_FILES+=usr/share/terminfo/x/xnuppc+f
 OLD_FILES+=usr/share/terminfo/x/xnuppc+f2
 OLD_FILES+=usr/share/terminfo/x/xnuppc-100x37
 OLD_FILES+=usr/share/terminfo/x/xnuppc-100x37-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-112x37
 OLD_FILES+=usr/share/terminfo/x/xnuppc-112x37-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-128x40
 OLD_FILES+=usr/share/terminfo/x/xnuppc-128x40-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-128x48
 OLD_FILES+=usr/share/terminfo/x/xnuppc-128x48-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-144x48
 OLD_FILES+=usr/share/terminfo/x/xnuppc-144x48-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-160x64
 OLD_FILES+=usr/share/terminfo/x/xnuppc-160x64-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-200x64
 OLD_FILES+=usr/share/terminfo/x/xnuppc-200x64-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-200x75
 OLD_FILES+=usr/share/terminfo/x/xnuppc-200x75-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-256x96
 OLD_FILES+=usr/share/terminfo/x/xnuppc-256x96-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-80x25
 OLD_FILES+=usr/share/terminfo/x/xnuppc-80x25-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-80x30
 OLD_FILES+=usr/share/terminfo/x/xnuppc-80x30-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-90x30
 OLD_FILES+=usr/share/terminfo/x/xnuppc-90x30-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-b
 OLD_FILES+=usr/share/terminfo/x/xnuppc-f
 OLD_FILES+=usr/share/terminfo/x/xnuppc-f2
 OLD_FILES+=usr/share/terminfo/x/xnuppc-m
 OLD_FILES+=usr/share/terminfo/x/xnuppc-m-b
 OLD_FILES+=usr/share/terminfo/x/xnuppc-m-f
 OLD_FILES+=usr/share/terminfo/x/xnuppc-m-f2
 OLD_FILES+=usr/share/terminfo/x/xtalk
 OLD_FILES+=usr/share/terminfo/x/xterm
 OLD_FILES+=usr/share/terminfo/x/xterm+256color
 OLD_FILES+=usr/share/terminfo/x/xterm+256color2
 OLD_FILES+=usr/share/terminfo/x/xterm+256setaf
 OLD_FILES+=usr/share/terminfo/x/xterm+88color
 OLD_FILES+=usr/share/terminfo/x/xterm+88color2
 OLD_FILES+=usr/share/terminfo/x/xterm+alt+title
 OLD_FILES+=usr/share/terminfo/x/xterm+alt1049
 OLD_FILES+=usr/share/terminfo/x/xterm+app
 OLD_FILES+=usr/share/terminfo/x/xterm+direct
 OLD_FILES+=usr/share/terminfo/x/xterm+direct16
 OLD_FILES+=usr/share/terminfo/x/xterm+direct2
 OLD_FILES+=usr/share/terminfo/x/xterm+direct256
 OLD_FILES+=usr/share/terminfo/x/xterm+edit
 OLD_FILES+=usr/share/terminfo/x/xterm+indirect
 OLD_FILES+=usr/share/terminfo/x/xterm+kbs
 OLD_FILES+=usr/share/terminfo/x/xterm+keypad
 OLD_FILES+=usr/share/terminfo/x/xterm+meta
 OLD_FILES+=usr/share/terminfo/x/xterm+noalt
 OLD_FILES+=usr/share/terminfo/x/xterm+noapp
 OLD_FILES+=usr/share/terminfo/x/xterm+nofkeys
 OLD_FILES+=usr/share/terminfo/x/xterm+osc104
 OLD_FILES+=usr/share/terminfo/x/xterm+pc+edit
 OLD_FILES+=usr/share/terminfo/x/xterm+pcc0
 OLD_FILES+=usr/share/terminfo/x/xterm+pcc1
 OLD_FILES+=usr/share/terminfo/x/xterm+pcc2
 OLD_FILES+=usr/share/terminfo/x/xterm+pcc3
 OLD_FILES+=usr/share/terminfo/x/xterm+pce2
 OLD_FILES+=usr/share/terminfo/x/xterm+pcf0
 OLD_FILES+=usr/share/terminfo/x/xterm+pcf2
 OLD_FILES+=usr/share/terminfo/x/xterm+pcfkeys
 OLD_FILES+=usr/share/terminfo/x/xterm+r6f2
 OLD_FILES+=usr/share/terminfo/x/xterm+sl
 OLD_FILES+=usr/share/terminfo/x/xterm+sl-twm
 OLD_FILES+=usr/share/terminfo/x/xterm+sm+1002
 OLD_FILES+=usr/share/terminfo/x/xterm+sm+1003
 OLD_FILES+=usr/share/terminfo/x/xterm+sm+1005
 OLD_FILES+=usr/share/terminfo/x/xterm+sm+1006
 OLD_FILES+=usr/share/terminfo/x/xterm+titlestack
 OLD_FILES+=usr/share/terminfo/x/xterm+tmux
 OLD_FILES+=usr/share/terminfo/x/xterm+vt+edit
 OLD_FILES+=usr/share/terminfo/x/xterm+x10mouse
 OLD_FILES+=usr/share/terminfo/x/xterm+x11hilite
 OLD_FILES+=usr/share/terminfo/x/xterm+x11mouse
 OLD_FILES+=usr/share/terminfo/x/xterm-1002
 OLD_FILES+=usr/share/terminfo/x/xterm-1003
 OLD_FILES+=usr/share/terminfo/x/xterm-1005
 OLD_FILES+=usr/share/terminfo/x/xterm-1006
 OLD_FILES+=usr/share/terminfo/x/xterm-16color
 OLD_FILES+=usr/share/terminfo/x/xterm-24
 OLD_FILES+=usr/share/terminfo/x/xterm-256color
 OLD_FILES+=usr/share/terminfo/x/xterm-88color
 OLD_FILES+=usr/share/terminfo/x/xterm-8bit
 OLD_FILES+=usr/share/terminfo/x/xterm-basic
 OLD_FILES+=usr/share/terminfo/x/xterm-bold
 OLD_FILES+=usr/share/terminfo/x/xterm-color
 OLD_FILES+=usr/share/terminfo/x/xterm-direct
 OLD_FILES+=usr/share/terminfo/x/xterm-direct16
 OLD_FILES+=usr/share/terminfo/x/xterm-direct2
 OLD_FILES+=usr/share/terminfo/x/xterm-direct256
 OLD_FILES+=usr/share/terminfo/x/xterm-hp
 OLD_FILES+=usr/share/terminfo/x/xterm-mono
 OLD_FILES+=usr/share/terminfo/x/xterm-new
 OLD_FILES+=usr/share/terminfo/x/xterm-nic
 OLD_FILES+=usr/share/terminfo/x/xterm-noapp
 OLD_FILES+=usr/share/terminfo/x/xterm-old
 OLD_FILES+=usr/share/terminfo/x/xterm-pcolor
 OLD_FILES+=usr/share/terminfo/x/xterm-r5
 OLD_FILES+=usr/share/terminfo/x/xterm-r6
 OLD_FILES+=usr/share/terminfo/x/xterm-sco
 OLD_FILES+=usr/share/terminfo/x/xterm-sun
 OLD_FILES+=usr/share/terminfo/x/xterm-utf8
 OLD_FILES+=usr/share/terminfo/x/xterm-vt220
 OLD_FILES+=usr/share/terminfo/x/xterm-vt52
 OLD_FILES+=usr/share/terminfo/x/xterm-x10mouse
 OLD_FILES+=usr/share/terminfo/x/xterm-x11hilite
 OLD_FILES+=usr/share/terminfo/x/xterm-x11mouse
 OLD_FILES+=usr/share/terminfo/x/xterm-xf86-v32
 OLD_FILES+=usr/share/terminfo/x/xterm-xf86-v33
 OLD_FILES+=usr/share/terminfo/x/xterm-xf86-v333
 OLD_FILES+=usr/share/terminfo/x/xterm-xf86-v40
 OLD_FILES+=usr/share/terminfo/x/xterm-xf86-v43
 OLD_FILES+=usr/share/terminfo/x/xterm-xf86-v44
 OLD_FILES+=usr/share/terminfo/x/xterm-xfree86
 OLD_FILES+=usr/share/terminfo/x/xterm-xi
 OLD_FILES+=usr/share/terminfo/x/xterm.js
 OLD_FILES+=usr/share/terminfo/x/xterm1
 OLD_FILES+=usr/share/terminfo/x/xtermc
 OLD_FILES+=usr/share/terminfo/x/xtermm
 OLD_FILES+=usr/share/terminfo/x/xterms
 OLD_FILES+=usr/share/terminfo/x/xterms-sun
 OLD_FILES+=usr/share/terminfo/x/xwsh
 OLD_DIRS+=usr/share/terminfo/x/
 OLD_FILES+=usr/share/terminfo/z/z-100
 OLD_FILES+=usr/share/terminfo/z/z-100bw
 OLD_FILES+=usr/share/terminfo/z/z100
 OLD_FILES+=usr/share/terminfo/z/z100bw
 OLD_FILES+=usr/share/terminfo/z/z110
 OLD_FILES+=usr/share/terminfo/z/z110bw
 OLD_FILES+=usr/share/terminfo/z/z19
 OLD_FILES+=usr/share/terminfo/z/z29
 OLD_FILES+=usr/share/terminfo/z/z29a
 OLD_FILES+=usr/share/terminfo/z/z29a-kc-bc
 OLD_FILES+=usr/share/terminfo/z/z29a-kc-uc
 OLD_FILES+=usr/share/terminfo/z/z29a-nkc-bc
 OLD_FILES+=usr/share/terminfo/z/z29a-nkc-uc
 OLD_FILES+=usr/share/terminfo/z/z29b
 OLD_FILES+=usr/share/terminfo/z/z30
 OLD_FILES+=usr/share/terminfo/z/z340
 OLD_FILES+=usr/share/terminfo/z/z340-nam
 OLD_FILES+=usr/share/terminfo/z/z39-a
 OLD_FILES+=usr/share/terminfo/z/z39a
 OLD_FILES+=usr/share/terminfo/z/z50
 OLD_FILES+=usr/share/terminfo/z/z8001
 OLD_FILES+=usr/share/terminfo/z/zen30
 OLD_FILES+=usr/share/terminfo/z/zen50
 OLD_FILES+=usr/share/terminfo/z/zen8001
 OLD_FILES+=usr/share/terminfo/z/zenith
 OLD_FILES+=usr/share/terminfo/z/zenith29
 OLD_FILES+=usr/share/terminfo/z/zenith39-a
 OLD_FILES+=usr/share/terminfo/z/zenith39-ansi
 OLD_FILES+=usr/share/terminfo/z/zt-1
 OLD_FILES+=usr/share/terminfo/z/ztx
 OLD_FILES+=usr/share/terminfo/z/ztx-1-a
 OLD_FILES+=usr/share/terminfo/z/ztx11
 OLD_DIRS+=usr/share/terminfo/z/
 OLD_DIRS+=usr/share/terminfo/
 
 # 20210316: remove obsolete NFS headers
 OLD_FILES+=usr/include/nfs/nfs_common.h
 OLD_FILES+=usr/include/nfsclient/nfsm_subs.h
 OLD_FILES+=usr/include/nfsclient/nlminfo.h
 OLD_FILES+=usr/include/nfsserver/nfs_fha_old.h
 OLD_FILES+=usr/include/nfsserver/nfsm_subs.h
 OLD_FILES+=usr/include/nfsserver/nfsrvcache.h
 
 # 20210315: Remove kernel-only crypto headers from /usr/include
 OLD_FILES+=usr/include/crypto/_cryptodev.h
 OLD_FILES+=usr/include/crypto/cbc_mac.h
 OLD_FILES+=usr/include/crypto/deflate.h
 OLD_FILES+=usr/include/crypto/gfmult.h
 OLD_FILES+=usr/include/crypto/gmac.h
 OLD_FILES+=usr/include/crypto/rijndael.h
 OLD_FILES+=usr/include/crypto/rmd160.h
 OLD_FILES+=usr/include/crypto/xform.h
 OLD_FILES+=usr/include/crypto/xform_auth.h
 OLD_FILES+=usr/include/crypto/xform_comp.h
 OLD_FILES+=usr/include/crypto/xform_enc.h
 
 # 20210305: removed Poly1305_* symbols
 OLD_FILES+=usr/include/crypto/xform_poly1305.h
 
 # 20210302: fmtree removed
 OLD_FILES+=usr/sbin/fmtree
 OLD_FILES+=usr/share/man/man8/fmtree.8.gz
 
 # 20210201: bump shared libraries which link against ncurses
 OLD_LIBS+=lib/libedit.so.7
 OLD_LIBS+=usr/lib/libdialog.so.8
 OLD_LIBS+=usr/lib/libdpv.so.1
 OLD_LIBS+=usr/lib/libform.so.5
 OLD_LIBS+=usr/lib/libformw.so.5
 OLD_LIBS+=usr/lib/libmenu.so.5
 OLD_LIBS+=usr/lib/libmenuw.so.5
 OLD_LIBS+=usr/lib/libpanel.so.5
 OLD_LIBS+=usr/lib/libpanelw.so.5
 
 # 20210125: ndis driver support removed
 OLD_FILES+=usr/sbin/ndis_events
 OLD_FILES+=usr/sbin/ndiscvt
 OLD_FILES+=usr/sbin/ndisgen
 OLD_FILES+=usr/share/man/man4/ndis.4.gz
 OLD_FILES+=usr/share/man/man4/if_ndis.4.gz
 OLD_FILES+=usr/share/man/man8/ndis_events.8.gz
 OLD_FILES+=usr/share/man/man8/ndiscvt.8.gz
 OLD_FILES+=usr/share/man/man8/ndisgen.8.gz
 OLD_FILES+=usr/share/misc/windrv_stub.c
 
 # 20210116: openpromio(4) removed
 OLD_FILES+=usr/include/dev/ofw/openpromio.h
 
 # 20210116: if_wl_wavelan.h removed
 .if ${TARGET_ARCH} == "i386"
 OLD_FILES+=usr/include/machine/if_wl_wavelan.h
 .endif
 
 # 20210108: retire cmx, ng_bt3c, wi drivers
 OLD_FILES+=usr/include/dev/wi/if_wireg.h
 OLD_FILES+=usr/include/dev/wi/if_wavelan_ieee.h
 OLD_FILES+=usr/include/dev/wi/if_wivar.h
 OLD_FILES+=usr/include/netgraph/bluetooth/include/ng_bt3c.h
 OLD_FILES+=usr/sbin/bt3cfw
 OLD_FILES+=usr/share/man/man4/cmw.4.gz
 OLD_FILES+=usr/share/man/man4/if_wi.4.gz
 OLD_FILES+=usr/share/man/man4/ng_bt3c.4.gz
 OLD_FILES+=usr/share/man/man4/wi.4.gz
 OLD_FILES+=usr/share/man/man8/bt3cfw.8.gz
 
 # 20210107: retire a.out support
 OLD_DIRS+=usr/lib/aout
 OLD_DIRS+=usr/lib/compat/aout
 
 # 20210107: remove cmx(4)
 OLD_FILES+=usr/share/man/man4/cmx.4.gz
 
 # 20210105: remove non widechar version of ncurses
 OLD_LIBS+=lib/libncurses.so.9
 
 # 20210103: new clang import which bumps version from 11.0.0 to 11.0.1
 OLD_FILES+=usr/lib/clang/11.0.0/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/11.0.0/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/11.0.0/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/11.0.0/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/11.0.0/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/11.0.0/include/fuzzer
 OLD_FILES+=usr/lib/clang/11.0.0/include/openmp_wrappers/__clang_openmp_device_functions.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/11.0.0/include/openmp_wrappers/complex
 OLD_FILES+=usr/lib/clang/11.0.0/include/openmp_wrappers/complex.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/openmp_wrappers/math.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/openmp_wrappers/new
 OLD_DIRS+=usr/lib/clang/11.0.0/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/11.0.0/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/11.0.0/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/11.0.0/include/profile/InstrProfData.inc
 OLD_DIRS+=usr/lib/clang/11.0.0/include/profile
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/11.0.0/include/sanitizer
 OLD_FILES+=usr/lib/clang/11.0.0/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/11.0.0/include/xray
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_cuda_math.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_hip_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_hip_math.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__clang_hip_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/altivec.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/amxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/arm_bf16.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/arm_cde.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/arm_sve.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/armintr.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/cet.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/cpuid.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/immintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/module.modulemap
 OLD_FILES+=usr/lib/clang/11.0.0/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/msa.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/serializeintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/tsxldtrkintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/vadefs.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/wasm_simd128.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/11.0.0/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/11.0.0/include
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.profile-powerpc64le.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/11.0.0/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/11.0.0/lib/freebsd
 OLD_DIRS+=usr/lib/clang/11.0.0/lib
 OLD_DIRS+=usr/lib/clang/11.0.0
 
 # 20201226: Siemens SAB 82532 support removed
 OLD_FILES+=usr/include/dev/ic/sab82532.h
 
 # 20201225: PMC for Xscale removed
 OLD_FILES+=usr/include/dev/hwpmc/hwpmc_xscale.h
 OLD_FILES+=usr/share/man/man3/pmc.xscale.3.gz
 
 # 20201225: libregex removed
 OLD_FILES+=usr/include/gnu/posix/regex.h
 OLD_DIRS+=usr/include/gnu/posix
 OLD_FILES+=usr/include/gnu/regex.h
 OLD_DIRS+=usr/include/gnu
 OLD_FILES+=usr/include/gnuregex.h
 OLD_FILES+=usr/lib/libgnuregex.a
 OLD_FILES+=usr/lib/libgnuregex.so
 OLD_LIBS+=usr/lib/libgnuregex.so.5
 OLD_FILES+=usr/lib/libgnuregex_p.a
 
 # 20201225: gnugrep removed
 OLD_FILES+=usr/bin/bsdgrep
 OLD_FILES+=usr/bin/gnugrep
 OLD_FILES+=usr/share/man/man1/bsdgrep.1.gz
 OLD_FILES+=usr/share/man/man1/gnugrep.1.gz
 
 # 20201224: mk48txx(4) removed
 OLD_FILES+=usr/share/man/man4/mk48txx.4.gz
 
 # 20201215: in-tree gdb removed
 OLD_FILES+=usr/libexec/gdb
 OLD_FILES+=usr/libexec/kgdb
 
 # 20201211: hme(4) removed
 OLD_FILES+=usr/share/man/man4/hme.4.gz
 OLD_FILES+=usr/share/man/man4/if_hme.4.gz
 
 # 20201129: RADIX_MPATH removed
 OLD_FILES+=usr/include/net/radix_mpath.h
 
 # 20201124: ping6(8) was merged into ping(8)
 OLD_FILES+=usr/tests/sbin/ping6/Kyuafile
 OLD_FILES+=usr/tests/sbin/ping6/ping6_c1_s8_t1.out
 OLD_FILES+=usr/tests/sbin/ping6/ping6_test
 OLD_DIRS+=usr/tests/sbin/ping6
 
 # 20201025: Remove cal data files
 OLD_FILES+=usr/share/calendar/calendar.all
 OLD_FILES+=usr/share/calendar/calendar.australia
 OLD_FILES+=usr/share/calendar/calendar.birthday
 OLD_FILES+=usr/share/calendar/calendar.brazilian
 OLD_FILES+=usr/share/calendar/calendar.christian
 OLD_FILES+=usr/share/calendar/calendar.computer
 OLD_FILES+=usr/share/calendar/calendar.croatian
 OLD_FILES+=usr/share/calendar/calendar.dutch
 OLD_FILES+=usr/share/calendar/calendar.french
 OLD_FILES+=usr/share/calendar/calendar.german
 OLD_FILES+=usr/share/calendar/calendar.history
 OLD_FILES+=usr/share/calendar/calendar.holiday
 OLD_FILES+=usr/share/calendar/calendar.hungarian
 OLD_FILES+=usr/share/calendar/calendar.judaic
 OLD_FILES+=usr/share/calendar/calendar.lotr
 OLD_FILES+=usr/share/calendar/calendar.music
 OLD_FILES+=usr/share/calendar/calendar.newzealand
 OLD_FILES+=usr/share/calendar/calendar.russian
 OLD_FILES+=usr/share/calendar/calendar.southafrica
 OLD_FILES+=usr/share/calendar/calendar.ukrainian
 OLD_FILES+=usr/share/calendar/calendar.usholiday
 OLD_FILES+=usr/share/calendar/calendar.world
 OLD_FILES+=usr/share/calendar/de_AT.ISO_8859-15/calendar.feiertag
 OLD_FILES+=usr/share/calendar/de_DE.ISO8859-1/calendar.all
 OLD_FILES+=usr/share/calendar/de_DE.ISO8859-1/calendar.feiertag
 OLD_FILES+=usr/share/calendar/de_DE.ISO8859-1/calendar.geschichte
 OLD_FILES+=usr/share/calendar/de_DE.ISO8859-1/calendar.kirche
 OLD_FILES+=usr/share/calendar/de_DE.ISO8859-1/calendar.literatur
 OLD_FILES+=usr/share/calendar/de_DE.ISO8859-1/calendar.musik
 OLD_FILES+=usr/share/calendar/de_DE.ISO8859-1/calendar.wissenschaft
 OLD_FILES+=usr/share/calendar/fr_FR.ISO8859-1/calendar.all
 OLD_FILES+=usr/share/calendar/fr_FR.ISO8859-1/calendar.fetes
 OLD_FILES+=usr/share/calendar/fr_FR.ISO8859-1/calendar.french
 OLD_FILES+=usr/share/calendar/fr_FR.ISO8859-1/calendar.jferies
 OLD_FILES+=usr/share/calendar/fr_FR.ISO8859-1/calendar.proverbes
 OLD_FILES+=usr/share/calendar/hr_HR.ISO8859-2/calendar.all
 OLD_FILES+=usr/share/calendar/hr_HR.ISO8859-2/calendar.praznici
 OLD_FILES+=usr/share/calendar/hu_HU.ISO8859-2/calendar.all
 OLD_FILES+=usr/share/calendar/hu_HU.ISO8859-2/calendar.nevnapok
 OLD_FILES+=usr/share/calendar/hu_HU.ISO8859-2/calendar.unnepek
 OLD_FILES+=usr/share/calendar/pt_BR.ISO8859-1/calendar.all
 OLD_FILES+=usr/share/calendar/pt_BR.ISO8859-1/calendar.commemorative
 OLD_FILES+=usr/share/calendar/pt_BR.ISO8859-1/calendar.holidays
 OLD_FILES+=usr/share/calendar/pt_BR.ISO8859-1/calendar.mcommemorative
 OLD_FILES+=usr/share/calendar/pt_BR.UTF-8/calendar.all
 OLD_FILES+=usr/share/calendar/pt_BR.UTF-8/calendar.commemorative
 OLD_FILES+=usr/share/calendar/pt_BR.UTF-8/calendar.holidays
 OLD_FILES+=usr/share/calendar/pt_BR.UTF-8/calendar.mcommemorative
 OLD_FILES+=usr/share/calendar/ru_RU.KOI8-R/calendar.all
 OLD_FILES+=usr/share/calendar/ru_RU.KOI8-R/calendar.common
 OLD_FILES+=usr/share/calendar/ru_RU.KOI8-R/calendar.holiday
 OLD_FILES+=usr/share/calendar/ru_RU.KOI8-R/calendar.military
 OLD_FILES+=usr/share/calendar/ru_RU.KOI8-R/calendar.orthodox
 OLD_FILES+=usr/share/calendar/ru_RU.KOI8-R/calendar.pagan
 OLD_FILES+=usr/share/calendar/ru_RU.UTF-8/calendar.all
 OLD_FILES+=usr/share/calendar/ru_RU.UTF-8/calendar.common
 OLD_FILES+=usr/share/calendar/ru_RU.UTF-8/calendar.holiday
 OLD_FILES+=usr/share/calendar/ru_RU.UTF-8/calendar.military
 OLD_FILES+=usr/share/calendar/ru_RU.UTF-8/calendar.orthodox
 OLD_FILES+=usr/share/calendar/ru_RU.UTF-8/calendar.pagan
 OLD_FILES+=usr/share/calendar/uk_UA.KOI8-U/calendar.all
 OLD_FILES+=usr/share/calendar/uk_UA.KOI8-U/calendar.holiday
 OLD_FILES+=usr/share/calendar/uk_UA.KOI8-U/calendar.misc
 OLD_FILES+=usr/share/calendar/uk_UA.KOI8-U/calendar.orthodox
 OLD_DIRS+=usr/share/calendar/de_AT.ISO_8859-15
 OLD_DIRS+=usr/share/calendar/de_DE.ISO8859-1
 OLD_FILES+=usr/share/calendar/de_DE.ISO8859-15
 OLD_DIRS+=usr/share/calendar/fr_FR.ISO8859-1
 OLD_FILES+=usr/share/calendar/fr_FR.ISO8859-15
 OLD_DIRS+=usr/share/calendar/hr_HR.ISO8859-2
 OLD_DIRS+=usr/share/calendar/hu_HU.ISO8859-2
 OLD_DIRS+=usr/share/calendar/pt_BR.ISO8859-1
 OLD_DIRS+=usr/share/calendar/pt_BR.UTF-8
 OLD_DIRS+=usr/share/calendar/ru_RU.KOI8-R
 OLD_DIRS+=usr/share/calendar/ru_RU.UTF-8
 OLD_DIRS+=usr/share/calendar/uk_UA.KOI8-U
 
 # 20201004: logo files renamed to type-agnostic gfx-*.lua
 OLD_FILES+=boot/lua/logo-beastie.lua
 OLD_FILES+=boot/lua/logo-beastiebw.lua
 OLD_FILES+=boot/lua/logo-fbsdbw.lua
 OLD_FILES+=boot/lua/logo-orb.lua
 OLD_FILES+=boot/lua/logo-orbbw.lua
 
 # 20200828: net/route/shared.h moved to net/route/route_var.h
 OLD_FILES+=usr/include/net/route/shared.h
 
 # 20200825: merged OpenZFS support
 OLD_LIBS+=lib/libzfs.so.3
 OLD_FILES+=usr/share/man/man1/zstreamdump.1.gz
 #OLD_FILES+=usr/share/man/man7/zpool-features.7.gz
 
 # 20200923: memfd_test moved to /usr/tests/sys/posixshm
 OLD_FILES+=usr/tests/sys/kern/memfd_test
 
 # 20200910: remove vm_map_create(9) to sync with the code
 OLD_FILES+=usr/share/man/man9/vm_map_create.9.gz
 
 # 20200820: Removal of the ufm driver
 OLD_FILES+=usr/share/man/man4/ufm.4.gz
 
 # 20200816: new clang import which bumps version from 10.0.1 to 11.0.0
 OLD_FILES+=usr/lib/clang/10.0.1/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/10.0.1/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/10.0.1/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/10.0.1/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/10.0.1/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/10.0.1/include/fuzzer
 OLD_FILES+=usr/lib/clang/10.0.1/include/openmp_wrappers/__clang_openmp_math.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/openmp_wrappers/__clang_openmp_math_declares.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/10.0.1/include/openmp_wrappers/math.h
 OLD_DIRS+=usr/lib/clang/10.0.1/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/10.0.1/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/10.0.1/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/10.0.1/include/profile/InstrProfData.inc
 OLD_DIRS+=usr/lib/clang/10.0.1/include/profile
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/10.0.1/include/sanitizer
 OLD_FILES+=usr/lib/clang/10.0.1/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/10.0.1/include/xray
 OLD_FILES+=usr/lib/clang/10.0.1/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/altivec.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/armintr.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/cpuid.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/immintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/module.modulemap
 OLD_FILES+=usr/lib/clang/10.0.1/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/msa.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/vadefs.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/10.0.1/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/10.0.1/include
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.1/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/10.0.1/lib/freebsd
 OLD_DIRS+=usr/lib/clang/10.0.1/lib
 OLD_DIRS+=usr/lib/clang/10.0.1
 
 # 20200803: remove free_domain(9) and uma_zfree_domain(9)
 OLD_FILES+=usr/share/man/man9/free_domain.9.gz
 OLD_FILES+=usr/share/man/man9/uma_zfree_domain.9.gz
 
 # 20200729: remove long expired serial drivers
 OLD_FILES+=usr/share/man/man4/cy.4.gz
 OLD_FILES+=usr/share/man/man4/rc.4.gz
 OLD_FILES+=usr/share/man/man4/rp.4.gz
 
 # 20200721: sys/iommu.h moved to dev/iommu/
 OLD_FILES+=usr/include/sys/iommu.h
 
 # 20200715: rework of devstat(9) man page
 OLD_FILES+=usr/share/man/man9/devstat_add_entry.9.gz
 
 # 20200714: update byacc to 20200330
 OLD_FILES+=usr/tests/usr.bin/yacc/btyacc_calc1.y
 OLD_FILES+=usr/tests/usr.bin/yacc/btyacc_demo.y
 OLD_FILES+=usr/tests/usr.bin/yacc/btyacc_destroy1.y
 OLD_FILES+=usr/tests/usr.bin/yacc/btyacc_destroy2.y
 OLD_FILES+=usr/tests/usr.bin/yacc/btyacc_destroy3.y
 OLD_FILES+=usr/tests/usr.bin/yacc/err_inherit1.y
 OLD_FILES+=usr/tests/usr.bin/yacc/err_inherit2.y
 OLD_FILES+=usr/tests/usr.bin/yacc/err_inherit3.y
 OLD_FILES+=usr/tests/usr.bin/yacc/err_inherit4.y
 OLD_FILES+=usr/tests/usr.bin/yacc/err_inherit5.y
 OLD_FILES+=usr/tests/usr.bin/yacc/inherit0.y
 OLD_FILES+=usr/tests/usr.bin/yacc/inherit1.y
 OLD_FILES+=usr/tests/usr.bin/yacc/inherit2.y
 
 # 20200706: update of sglist(9), r360574
 OLD_FILES+=usr/share/man/man9/sglist_append_ext_pgs.9.gz
 OLD_FILES+=usr/share/man/man9/sglist_append_mb_ext_pgs.9.gz
 OLD_FILES+=usr/share/man/man9/sglist_count_ext_pgs.9.gz
 OLD_FILES+=usr/share/man/man9/sglist_count_mb_ext_pgs.9.gz
 
 # 20200617: update opencsd to 0.14.2
 OLD_FILES+=usr/include/opencsd/etmv4/trc_pkt_elem_etmv4d.h
 
 # 20200606: retire binutils build infrastructure
 OLD_FILES+=usr/bin/as
 OLD_FILES+=usr/bin/ld.bfd
 OLD_FILES+=usr/share/man/man1/as.1.gz
 OLD_FILES+=usr/share/man/man1/ld.bfd.1.gz
 OLD_FILES+=usr/share/man/man7/as.7.gz
 OLD_FILES+=usr/share/man/man7/ld.7.gz
 OLD_FILES+=usr/share/man/man7/ldint.7.gz
 OLD_FILES+=usr/share/man/man7/binutils.7.gz
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/armelf_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/armelfb_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.x
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xc
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xd
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xn
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xr
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xs
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xu
 OLD_FILES+=usr/libdata/ldscripts/elf32_sparc.xw
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmip_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf32btsmipn32_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmip_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf32ltsmipn32_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf32ppc_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.x
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xc
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xd
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xn
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xr
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xs
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xu
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc.xw
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf64_sparc_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf64btsmip_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf64ltsmip_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf64ppc_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf_i386_fbsd.xw
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.x
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xbn
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xc
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xd
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xdc
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xdw
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xn
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xr
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xs
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xsc
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xsw
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xu
 OLD_FILES+=usr/libdata/ldscripts/elf_x86_64_fbsd.xw
 
 # 20200601: OpenSSL 32-bit compat engines moved to /usr/lib32/engines
 OLD_LIBS+=usr/lib32/capi.so
 OLD_LIBS+=usr/lib32/padlock.so
 
 # 20200528: libevent renamed libevent1
 OLD_FILES+=usr/include/private/event/event.h
 OLD_DIRS+=usr/include/private/event
 OLD_FILES+=usr/lib/libprivateevent.a
 OLD_FILES+=usr/lib/libprivateevent.so
 OLD_LIBS+=usr/lib/libprivateevent.so.1
 OLD_FILES+=usr/lib/libprivateevent_p.a
 
 # 20200523: new clang import which bumps version from 10.0.0 to 10.0.1
 OLD_FILES+=usr/lib/clang/10.0.0/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/10.0.0/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/10.0.0/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/10.0.0/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/10.0.0/include/fuzzer/FuzzedDataProvider.h
 OLD_DIRS+=usr/lib/clang/10.0.0/include/fuzzer
 OLD_FILES+=usr/lib/clang/10.0.0/include/openmp_wrappers/__clang_openmp_math.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/openmp_wrappers/__clang_openmp_math_declares.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/10.0.0/include/openmp_wrappers/math.h
 OLD_DIRS+=usr/lib/clang/10.0.0/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/10.0.0/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/ppc_wrappers/pmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/ppc_wrappers/smmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/ppc_wrappers/tmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/10.0.0/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/10.0.0/include/profile/InstrProfData.inc
 OLD_DIRS+=usr/lib/clang/10.0.0/include/profile
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/tsan_interface_atomic.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sanitizer/ubsan_interface.h
 OLD_DIRS+=usr/lib/clang/10.0.0/include/sanitizer
 OLD_FILES+=usr/lib/clang/10.0.0/include/xray/xray_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/xray/xray_log_interface.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/xray/xray_records.h
 OLD_DIRS+=usr/lib/clang/10.0.0/include/xray
 OLD_FILES+=usr/lib/clang/10.0.0/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/altivec.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/arm_cmse.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/arm_mve.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/armintr.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/cpuid.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/immintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/module.modulemap
 OLD_FILES+=usr/lib/clang/10.0.0/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/msa.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/vadefs.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/10.0.0/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/10.0.0/include
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/10.0.0/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/10.0.0/lib/freebsd
 OLD_DIRS+=usr/lib/clang/10.0.0/lib
 OLD_DIRS+=usr/lib/clang/10.0.0
 
 # 20200520: xform_userland.h removed
 OLD_FILES+=usr/include/crypto/xform_userland.h
 
 # 20200515: libalias cuseeme protocol support retired
 OLD_LIBS+=lib/libalias_cuseeme.so
 OLD_FILES+=usr/lib/libalias_cuseeme.a
 OLD_FILES+=usr/lib/libalias_cuseeme_p.a
 
 # 20200511: Remove deprecated crypto algorithms
 OLD_FILES+=usr/include/crypto/cast.h
 OLD_FILES+=usr/include/crypto/castsb.h
 OLD_FILES+=usr/include/crypto/skipjack.h
 
 # 20200511: Remove ubsec(4)
 OLD_FILES+=usr/share/man/man4/ubsec.4.gz
 
 # 20200428: route_var.h moved to net/route
 OLD_FILES+=usr/include/net/route_var.h
 
 # 20200418: Make libauditd private
 OLD_FILES+=usr/lib/libauditd.a
 OLD_FILES+=usr/lib/libauditd.so
 OLD_LIBS+=usr/lib/libauditd.so.5
 OLD_FILES+=usr/lib/libauditd_p.a
 
 # 20200418: Remove bogus man links
 OLD_FILES+=usr/share/man/man3/getauusernam_R.3.gz
 OLD_FILES+=usr/share/man/man3/getauclassnam_3.3.gz
 
 # 20200414: NFS file handle affinity code for the NFS server re-organized
 OLD_FILES+=usr/include/nfs/nfs_fha.h
 
 # 20200401: Remove procfs-based process debugging
 OLD_FILES+=usr/include/sys/pioctl.h
 
 # 20200330: GDB_LIBEXEC option retired (always true)
 OLD_FILES+=usr/bin/gdb
 OLD_FILES+=usr/bin/gdbserver
 OLD_FILES+=usr/bin/kgdb
 OLD_FILES+=usr/share/man/man1/gdb.1.gz
 OLD_FILES+=usr/share/man/man1/gdbserver.1.gz
 OLD_FILES+=usr/share/man/man1/kgdb.1.gz
 
 # 20200327: OCF refactoring
 OLD_FILES+=usr/include/crypto/cryptosoft.h
 OLD_FILES+=usr/share/man/man9/crypto_find_driver.9.gz
 OLD_FILES+=usr/share/man/man9/crypto_register.9.gz
 OLD_FILES+=usr/share/man/man9/crypto_unregister.9.gz
 
 # 20200326: compat libs for libl are no longer built
 OLD_FILES+=usr/lib32/libfl.a
 OLD_FILES+=usr/lib32/libl.a
 OLD_FILES+=usr/lib32/libln.a
 
 # 20200323: INTERNALLIB don't install headers anymore
 OLD_FILES+=usr/include/libelftc.h
 OLD_FILES+=usr/include/libifconfig.h
 OLD_FILES+=usr/include/libpmcstat.h
 
 # 20200320: cx and ctau drivers retired
 OLD_FILES+=usr/share/man/man4/ctau.4.gz
 OLD_FILES+=usr/share/man/man4/cx.4.gz
 
 # 20200318: host.conf was deprecated a long time ago
 OLD_FILES+=etc/host.conf
 OLD_FILES+=etc/rc.d/nsswitch
 
 # 20200310: new clang import which bumps version from 9.0.1 to 10.0.0
 OLD_FILES+=usr/lib/clang/9.0.1/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/9.0.1/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/9.0.1/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/9.0.1/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/9.0.1/include/openmp_wrappers/__clang_openmp_math.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/openmp_wrappers/__clang_openmp_math_declares.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/9.0.1/include/openmp_wrappers/math.h
 OLD_DIRS+=usr/lib/clang/9.0.1/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/9.0.1/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/9.0.1/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sanitizer/tsan_interface_atomic.h
 OLD_DIRS+=usr/lib/clang/9.0.1/include/sanitizer
 OLD_FILES+=usr/lib/clang/9.0.1/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/altivec.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/armintr.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/cpuid.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/immintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/module.modulemap
 OLD_FILES+=usr/lib/clang/9.0.1/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/msa.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/vadefs.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/9.0.1/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/9.0.1/include
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.1/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/9.0.1/lib/freebsd
 OLD_DIRS+=usr/lib/clang/9.0.1/lib
 OLD_DIRS+=usr/lib/clang/9.0.1
 
 # 20200309: amd(8) retired
 OLD_FILES+=etc/amd.map
 OLD_FILES+=etc/newsyslog.conf.d/amd.conf
 OLD_FILES+=etc/rc.d/amd
 OLD_FILES+=usr/bin/pawd
 OLD_FILES+=usr/sbin/amd
 OLD_FILES+=usr/sbin/amq
 OLD_FILES+=usr/sbin/fixmount
 OLD_FILES+=usr/sbin/fsinfo
 OLD_FILES+=usr/sbin/hlfsd
 OLD_FILES+=usr/sbin/mk-amd-map
 OLD_FILES+=usr/sbin/wire-test
 OLD_FILES+=usr/share/examples/etc/amd.map
 OLD_FILES+=usr/share/man/man1/pawd.1.gz
 OLD_FILES+=usr/share/man/man5/amd.conf.5.gz
 OLD_FILES+=usr/share/man/man8/amd.8.gz
 OLD_FILES+=usr/share/man/man8/amq.8.gz
 OLD_FILES+=usr/share/man/man8/fixmount.8.gz
 OLD_FILES+=usr/share/man/man8/fsinfo.8.gz
 OLD_FILES+=usr/share/man/man8/hlfsd.8.gz
 OLD_FILES+=usr/share/man/man8/mk-amd-map.8.gz
 OLD_FILES+=usr/share/man/man8/wire-test.8.gz
 
 # 20200301: bktr removed
 OLD_DIRS+=usr/include/dev/bktr
 OLD_FILES+=usr/include/dev/bktr/ioctl_bktr.h
 OLD_FILES+=usr/include/dev/bktr/ioctl_bt848.h
 OLD_FILES+=usr/include/dev/bktr/ioctl_meteor.h
 .if ${TARGET_ARCH} == "i386"
 OLD_FILES+=usr/include/machine/ioctl_bktr.h
 OLD_FILES+=usr/include/machine/ioctl_meteor.h
 .endif
 OLD_FILES+=usr/share/man/man4/bktr.4.gz
 OLD_FILES+=usr/share/man/man4/brooktree.4.gz
 
 # 20200229: GCC 4.2.1 removed
 OLD_FILES+=usr/bin/g++
 OLD_FILES+=usr/bin/gcc
 OLD_FILES+=usr/share/man/man1/g++.1.gz
 OLD_FILES+=usr/share/man/man1/gcc.1.gz
 OLD_FILES+=usr/bin/gcpp
 OLD_FILES+=usr/bin/gperf
 OLD_FILES+=usr/include/c++/4.2/algorithm
 OLD_FILES+=usr/include/c++/4.2/backward/algo.h
 OLD_FILES+=usr/include/c++/4.2/backward/algobase.h
 OLD_FILES+=usr/include/c++/4.2/backward/alloc.h
 OLD_FILES+=usr/include/c++/4.2/backward/backward_warning.h
 OLD_FILES+=usr/include/c++/4.2/backward/bvector.h
 OLD_FILES+=usr/include/c++/4.2/backward/complex.h
 OLD_FILES+=usr/include/c++/4.2/backward/defalloc.h
 OLD_FILES+=usr/include/c++/4.2/backward/deque.h
 OLD_FILES+=usr/include/c++/4.2/backward/fstream.h
 OLD_FILES+=usr/include/c++/4.2/backward/function.h
 OLD_FILES+=usr/include/c++/4.2/backward/hash_map.h
 OLD_FILES+=usr/include/c++/4.2/backward/hash_set.h
 OLD_FILES+=usr/include/c++/4.2/backward/hashtable.h
 OLD_FILES+=usr/include/c++/4.2/backward/heap.h
 OLD_FILES+=usr/include/c++/4.2/backward/iomanip.h
 OLD_FILES+=usr/include/c++/4.2/backward/iostream.h
 OLD_FILES+=usr/include/c++/4.2/backward/istream.h
 OLD_FILES+=usr/include/c++/4.2/backward/iterator.h
 OLD_FILES+=usr/include/c++/4.2/backward/list.h
 OLD_FILES+=usr/include/c++/4.2/backward/map.h
 OLD_FILES+=usr/include/c++/4.2/backward/multimap.h
 OLD_FILES+=usr/include/c++/4.2/backward/multiset.h
 OLD_FILES+=usr/include/c++/4.2/backward/new.h
 OLD_FILES+=usr/include/c++/4.2/backward/ostream.h
 OLD_FILES+=usr/include/c++/4.2/backward/pair.h
 OLD_FILES+=usr/include/c++/4.2/backward/queue.h
 OLD_FILES+=usr/include/c++/4.2/backward/rope.h
 OLD_FILES+=usr/include/c++/4.2/backward/set.h
 OLD_FILES+=usr/include/c++/4.2/backward/slist.h
 OLD_FILES+=usr/include/c++/4.2/backward/stack.h
 OLD_FILES+=usr/include/c++/4.2/backward/stream.h
 OLD_FILES+=usr/include/c++/4.2/backward/streambuf.h
 OLD_FILES+=usr/include/c++/4.2/backward/strstream
 OLD_FILES+=usr/include/c++/4.2/backward/tempbuf.h
 OLD_FILES+=usr/include/c++/4.2/backward/tree.h
 OLD_FILES+=usr/include/c++/4.2/backward/vector.h
 OLD_FILES+=usr/include/c++/4.2/bits/allocator.h
 OLD_FILES+=usr/include/c++/4.2/bits/atomic_word.h
 OLD_FILES+=usr/include/c++/4.2/bits/basic_file.h
 OLD_FILES+=usr/include/c++/4.2/bits/basic_ios.h
 OLD_FILES+=usr/include/c++/4.2/bits/basic_ios.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/basic_string.h
 OLD_FILES+=usr/include/c++/4.2/bits/basic_string.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/boost_concept_check.h
 OLD_FILES+=usr/include/c++/4.2/bits/c++allocator.h
 OLD_FILES+=usr/include/c++/4.2/bits/c++config.h
 OLD_FILES+=usr/include/c++/4.2/bits/c++io.h
 OLD_FILES+=usr/include/c++/4.2/bits/c++locale.h
 OLD_FILES+=usr/include/c++/4.2/bits/c++locale_internal.h
 OLD_FILES+=usr/include/c++/4.2/bits/char_traits.h
 OLD_FILES+=usr/include/c++/4.2/bits/cmath.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/codecvt.h
 OLD_FILES+=usr/include/c++/4.2/bits/compatibility.h
 OLD_FILES+=usr/include/c++/4.2/bits/concept_check.h
 OLD_FILES+=usr/include/c++/4.2/bits/cpp_type_traits.h
 OLD_FILES+=usr/include/c++/4.2/bits/cpu_defines.h
 OLD_FILES+=usr/include/c++/4.2/bits/ctype_base.h
 OLD_FILES+=usr/include/c++/4.2/bits/ctype_inline.h
 OLD_FILES+=usr/include/c++/4.2/bits/ctype_noninline.h
 OLD_FILES+=usr/include/c++/4.2/bits/cxxabi_tweaks.h
 OLD_FILES+=usr/include/c++/4.2/bits/deque.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/fstream.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/functexcept.h
 OLD_FILES+=usr/include/c++/4.2/bits/gslice.h
 OLD_FILES+=usr/include/c++/4.2/bits/gslice_array.h
 OLD_FILES+=usr/include/c++/4.2/bits/gthr-default.h
 OLD_FILES+=usr/include/c++/4.2/bits/gthr-posix.h
 OLD_FILES+=usr/include/c++/4.2/bits/gthr-single.h
 OLD_FILES+=usr/include/c++/4.2/bits/gthr-tpf.h
 OLD_FILES+=usr/include/c++/4.2/bits/gthr.h
 OLD_FILES+=usr/include/c++/4.2/bits/indirect_array.h
 OLD_FILES+=usr/include/c++/4.2/bits/ios_base.h
 OLD_FILES+=usr/include/c++/4.2/bits/istream.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/list.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/locale_classes.h
 OLD_FILES+=usr/include/c++/4.2/bits/locale_facets.h
 OLD_FILES+=usr/include/c++/4.2/bits/locale_facets.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/localefwd.h
 OLD_FILES+=usr/include/c++/4.2/bits/mask_array.h
 OLD_FILES+=usr/include/c++/4.2/bits/messages_members.h
 OLD_FILES+=usr/include/c++/4.2/bits/os_defines.h
 OLD_FILES+=usr/include/c++/4.2/bits/ostream.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/ostream_insert.h
 OLD_FILES+=usr/include/c++/4.2/bits/postypes.h
 OLD_FILES+=usr/include/c++/4.2/bits/slice_array.h
 OLD_FILES+=usr/include/c++/4.2/bits/sstream.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/stl_algo.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_algobase.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_bvector.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_construct.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_deque.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_function.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_heap.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_iterator.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_iterator_base_funcs.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_iterator_base_types.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_list.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_map.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_multimap.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_multiset.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_numeric.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_pair.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_queue.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_raw_storage_iter.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_relops.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_set.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_stack.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_tempbuf.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_tree.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_uninitialized.h
 OLD_FILES+=usr/include/c++/4.2/bits/stl_vector.h
 OLD_FILES+=usr/include/c++/4.2/bits/stream_iterator.h
 OLD_FILES+=usr/include/c++/4.2/bits/streambuf.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/streambuf_iterator.h
 OLD_FILES+=usr/include/c++/4.2/bits/stringfwd.h
 OLD_FILES+=usr/include/c++/4.2/bits/time_members.h
 OLD_FILES+=usr/include/c++/4.2/bits/valarray_after.h
 OLD_FILES+=usr/include/c++/4.2/bits/valarray_array.h
 OLD_FILES+=usr/include/c++/4.2/bits/valarray_array.tcc
 OLD_FILES+=usr/include/c++/4.2/bits/valarray_before.h
 OLD_FILES+=usr/include/c++/4.2/bits/vector.tcc
 OLD_FILES+=usr/include/c++/4.2/bitset
 OLD_FILES+=usr/include/c++/4.2/cassert
 OLD_FILES+=usr/include/c++/4.2/cctype
 OLD_FILES+=usr/include/c++/4.2/cerrno
 OLD_FILES+=usr/include/c++/4.2/cfloat
 OLD_FILES+=usr/include/c++/4.2/ciso646
 OLD_FILES+=usr/include/c++/4.2/climits
 OLD_FILES+=usr/include/c++/4.2/clocale
 OLD_FILES+=usr/include/c++/4.2/cmath
 OLD_FILES+=usr/include/c++/4.2/complex
 OLD_FILES+=usr/include/c++/4.2/csetjmp
 OLD_FILES+=usr/include/c++/4.2/csignal
 OLD_FILES+=usr/include/c++/4.2/cstdarg
 OLD_FILES+=usr/include/c++/4.2/cstddef
 OLD_FILES+=usr/include/c++/4.2/cstdio
 OLD_FILES+=usr/include/c++/4.2/cstdlib
 OLD_FILES+=usr/include/c++/4.2/cstring
 OLD_FILES+=usr/include/c++/4.2/ctime
 OLD_FILES+=usr/include/c++/4.2/cwchar
 OLD_FILES+=usr/include/c++/4.2/cwctype
 OLD_FILES+=usr/include/c++/4.2/cxxabi.h
 OLD_FILES+=usr/include/c++/4.2/debug/bitset
 OLD_FILES+=usr/include/c++/4.2/debug/debug.h
 OLD_FILES+=usr/include/c++/4.2/debug/deque
 OLD_FILES+=usr/include/c++/4.2/debug/formatter.h
 OLD_FILES+=usr/include/c++/4.2/debug/functions.h
 OLD_FILES+=usr/include/c++/4.2/debug/hash_map
 OLD_FILES+=usr/include/c++/4.2/debug/hash_map.h
 OLD_FILES+=usr/include/c++/4.2/debug/hash_multimap.h
 OLD_FILES+=usr/include/c++/4.2/debug/hash_multiset.h
 OLD_FILES+=usr/include/c++/4.2/debug/hash_set
 OLD_FILES+=usr/include/c++/4.2/debug/hash_set.h
 OLD_FILES+=usr/include/c++/4.2/debug/list
 OLD_FILES+=usr/include/c++/4.2/debug/macros.h
 OLD_FILES+=usr/include/c++/4.2/debug/map
 OLD_FILES+=usr/include/c++/4.2/debug/map.h
 OLD_FILES+=usr/include/c++/4.2/debug/multimap.h
 OLD_FILES+=usr/include/c++/4.2/debug/multiset.h
 OLD_FILES+=usr/include/c++/4.2/debug/safe_base.h
 OLD_FILES+=usr/include/c++/4.2/debug/safe_iterator.h
 OLD_FILES+=usr/include/c++/4.2/debug/safe_iterator.tcc
 OLD_FILES+=usr/include/c++/4.2/debug/safe_sequence.h
 OLD_FILES+=usr/include/c++/4.2/debug/set
 OLD_FILES+=usr/include/c++/4.2/debug/set.h
 OLD_FILES+=usr/include/c++/4.2/debug/string
 OLD_FILES+=usr/include/c++/4.2/debug/vector
 OLD_FILES+=usr/include/c++/4.2/deque
 OLD_FILES+=usr/include/c++/4.2/exception
 OLD_FILES+=usr/include/c++/4.2/exception_defines.h
 OLD_FILES+=usr/include/c++/4.2/ext/algorithm
 OLD_FILES+=usr/include/c++/4.2/ext/array_allocator.h
 OLD_FILES+=usr/include/c++/4.2/ext/atomicity.h
 OLD_FILES+=usr/include/c++/4.2/ext/bitmap_allocator.h
 OLD_FILES+=usr/include/c++/4.2/ext/codecvt_specializations.h
 OLD_FILES+=usr/include/c++/4.2/ext/concurrence.h
 OLD_FILES+=usr/include/c++/4.2/ext/debug_allocator.h
 OLD_FILES+=usr/include/c++/4.2/ext/functional
 OLD_FILES+=usr/include/c++/4.2/ext/hash_fun.h
 OLD_FILES+=usr/include/c++/4.2/ext/hash_map
 OLD_FILES+=usr/include/c++/4.2/ext/hash_set
 OLD_FILES+=usr/include/c++/4.2/ext/hashtable.h
 OLD_FILES+=usr/include/c++/4.2/ext/iterator
 OLD_FILES+=usr/include/c++/4.2/ext/malloc_allocator.h
 OLD_FILES+=usr/include/c++/4.2/ext/memory
 OLD_FILES+=usr/include/c++/4.2/ext/mt_allocator.h
 OLD_FILES+=usr/include/c++/4.2/ext/new_allocator.h
 OLD_FILES+=usr/include/c++/4.2/ext/numeric
 OLD_FILES+=usr/include/c++/4.2/ext/numeric_traits.h
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/assoc_container.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/basic_tree_policy/basic_tree_policy_base.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/basic_tree_policy/null_node_metadata.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/basic_tree_policy/traits.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/basic_types.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/cond_dtor_entry_dealtor.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/cond_key_dtor_entry_dealtor.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/iterators_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/policy_access_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/r_erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/rotate_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/split_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_/traits.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/const_iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/const_point_iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/entry_pred.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/iterators_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/policy_access_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/resize_policy.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/split_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_/trace_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_/binomial_heap_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_base_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_base_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_base_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_base_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_base_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_base_/split_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/cmp_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/cond_key_dtor_entry_dealtor.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/constructor_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/constructor_destructor_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/constructor_destructor_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/debug_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/debug_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/entry_list_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/erase_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/erase_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/find_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/insert_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/insert_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/iterators_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/policy_access_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/resize_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/resize_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/resize_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/standard_policies.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_/trace_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/cond_dealtor.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/container_base_dispatch.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/eq_fn/eq_by_less.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/constructor_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/constructor_destructor_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/constructor_destructor_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/debug_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/debug_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/erase_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/erase_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/find_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/find_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/insert_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/insert_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/iterator_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/policy_access_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/resize_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/resize_no_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/resize_store_hash_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/standard_policies.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_/trace_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/direct_mask_range_hashing_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/direct_mod_range_hashing_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/linear_probe_fn_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/mask_based_range_hashing.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/mod_based_range_hashing.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/probe_fn_base.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/quadratic_probe_fn_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/sample_probe_fn.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/sample_range_hashing.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/sample_ranged_hash_fn.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn/sample_ranged_probe_fn.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/const_iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/const_point_iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/iterators_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/null_metadata.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/policy_access_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_/trace_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/constructor_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/entry_metadata_base.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/lu_map_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_/trace_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_policy/counter_lu_metadata.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_policy/counter_lu_policy_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_policy/mtf_lu_policy_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_policy/sample_update_policy.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/map_debug_base.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/cond_dtor.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/iterators_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/policy_access_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/split_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_/traits.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pairing_heap_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pairing_heap_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pairing_heap_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pairing_heap_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pairing_heap_/split_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/child_iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/cond_dtor_entry_dealtor.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/const_child_iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/head.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/insert_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/internal_node.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/iterators_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/leaf.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/node_base.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/node_iterators.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/node_metadata_base.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/point_iterators.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/policy_access_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/r_erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/rotate_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/split_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/split_join_branch_bag.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/synth_e_access_traits.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/trace_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/traits.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_/update_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/priority_queue_base_dispatch.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/node.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/rb_tree_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/split_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_/traits.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_/rc_binomial_heap_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_/split_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_/trace_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy/cc_hash_max_collision_check_resize_trigger_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy/hash_exponential_size_policy_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_size_base.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy/hash_standard_resize_policy_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy/sample_resize_policy.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy/sample_resize_trigger.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy/sample_size_policy.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/info_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/node.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/splay_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/splay_tree_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/split_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_/traits.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/standard_policies.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_/constructors_destructor_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_/debug_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_/erase_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_/find_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_/insert_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_/split_join_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_/trace_fn_imps.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/tree_policy/node_metadata_selector.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/tree_policy/null_node_update_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/tree_policy/order_statistics_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/tree_policy/sample_tree_node_update.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/tree_trace_base.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/trie_policy/node_metadata_selector.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/trie_policy/null_node_update_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/trie_policy/order_statistics_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/trie_policy/prefix_search_node_update_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/trie_policy/sample_trie_e_access_traits.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/trie_policy/sample_trie_node_update.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/trie_policy/string_trie_e_access_traits_imp.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/trie_policy/trie_policy_base.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/type_utils.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/types_traits.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/unordered_iterator/const_point_iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/unordered_iterator/iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/exception.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/hash_policy.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/list_update_policy.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/priority_queue.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/tag_and_trait.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/tree_policy.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pb_ds/trie_policy.hpp
 OLD_FILES+=usr/include/c++/4.2/ext/pod_char_traits.h
 OLD_FILES+=usr/include/c++/4.2/ext/pool_allocator.h
 OLD_FILES+=usr/include/c++/4.2/ext/rb_tree
 OLD_FILES+=usr/include/c++/4.2/ext/rc_string_base.h
 OLD_FILES+=usr/include/c++/4.2/ext/rope
 OLD_FILES+=usr/include/c++/4.2/ext/ropeimpl.h
 OLD_FILES+=usr/include/c++/4.2/ext/slist
 OLD_FILES+=usr/include/c++/4.2/ext/sso_string_base.h
 OLD_FILES+=usr/include/c++/4.2/ext/stdio_filebuf.h
 OLD_FILES+=usr/include/c++/4.2/ext/stdio_sync_filebuf.h
 OLD_FILES+=usr/include/c++/4.2/ext/throw_allocator.h
 OLD_FILES+=usr/include/c++/4.2/ext/type_traits.h
 OLD_FILES+=usr/include/c++/4.2/ext/typelist.h
 OLD_FILES+=usr/include/c++/4.2/ext/vstring.h
 OLD_FILES+=usr/include/c++/4.2/ext/vstring.tcc
 OLD_FILES+=usr/include/c++/4.2/ext/vstring_fwd.h
 OLD_FILES+=usr/include/c++/4.2/ext/vstring_util.h
 OLD_FILES+=usr/include/c++/4.2/fstream
 OLD_FILES+=usr/include/c++/4.2/functional
 OLD_FILES+=usr/include/c++/4.2/iomanip
 OLD_FILES+=usr/include/c++/4.2/ios
 OLD_FILES+=usr/include/c++/4.2/iosfwd
 OLD_FILES+=usr/include/c++/4.2/iostream
 OLD_FILES+=usr/include/c++/4.2/istream
 OLD_FILES+=usr/include/c++/4.2/iterator
 OLD_FILES+=usr/include/c++/4.2/limits
 OLD_FILES+=usr/include/c++/4.2/list
 OLD_FILES+=usr/include/c++/4.2/locale
 OLD_FILES+=usr/include/c++/4.2/map
 OLD_FILES+=usr/include/c++/4.2/memory
 OLD_FILES+=usr/include/c++/4.2/new
 OLD_FILES+=usr/include/c++/4.2/numeric
 OLD_FILES+=usr/include/c++/4.2/ostream
 OLD_FILES+=usr/include/c++/4.2/queue
 OLD_FILES+=usr/include/c++/4.2/set
 OLD_FILES+=usr/include/c++/4.2/sstream
 OLD_FILES+=usr/include/c++/4.2/stack
 OLD_FILES+=usr/include/c++/4.2/stdexcept
 OLD_FILES+=usr/include/c++/4.2/streambuf
 OLD_FILES+=usr/include/c++/4.2/string
 OLD_FILES+=usr/include/c++/4.2/tr1/array
 OLD_FILES+=usr/include/c++/4.2/tr1/bind_iterate.h
 OLD_FILES+=usr/include/c++/4.2/tr1/bind_repeat.h
 OLD_FILES+=usr/include/c++/4.2/tr1/boost_shared_ptr.h
 OLD_FILES+=usr/include/c++/4.2/tr1/cctype
 OLD_FILES+=usr/include/c++/4.2/tr1/cfenv
 OLD_FILES+=usr/include/c++/4.2/tr1/cfloat
 OLD_FILES+=usr/include/c++/4.2/tr1/cinttypes
 OLD_FILES+=usr/include/c++/4.2/tr1/climits
 OLD_FILES+=usr/include/c++/4.2/tr1/cmath
 OLD_FILES+=usr/include/c++/4.2/tr1/common.h
 OLD_FILES+=usr/include/c++/4.2/tr1/complex
 OLD_FILES+=usr/include/c++/4.2/tr1/cstdarg
 OLD_FILES+=usr/include/c++/4.2/tr1/cstdbool
 OLD_FILES+=usr/include/c++/4.2/tr1/cstdint
 OLD_FILES+=usr/include/c++/4.2/tr1/cstdio
 OLD_FILES+=usr/include/c++/4.2/tr1/cstdlib
 OLD_FILES+=usr/include/c++/4.2/tr1/ctgmath
 OLD_FILES+=usr/include/c++/4.2/tr1/ctime
 OLD_FILES+=usr/include/c++/4.2/tr1/ctype.h
 OLD_FILES+=usr/include/c++/4.2/tr1/cwchar
 OLD_FILES+=usr/include/c++/4.2/tr1/cwctype
 OLD_FILES+=usr/include/c++/4.2/tr1/fenv.h
 OLD_FILES+=usr/include/c++/4.2/tr1/float.h
 OLD_FILES+=usr/include/c++/4.2/tr1/functional
 OLD_FILES+=usr/include/c++/4.2/tr1/functional_hash.h
 OLD_FILES+=usr/include/c++/4.2/tr1/functional_iterate.h
 OLD_FILES+=usr/include/c++/4.2/tr1/hashtable
 OLD_FILES+=usr/include/c++/4.2/tr1/hashtable_policy.h
 OLD_FILES+=usr/include/c++/4.2/tr1/inttypes.h
 OLD_FILES+=usr/include/c++/4.2/tr1/limits.h
 OLD_FILES+=usr/include/c++/4.2/tr1/math.h
 OLD_FILES+=usr/include/c++/4.2/tr1/memory
 OLD_FILES+=usr/include/c++/4.2/tr1/mu_iterate.h
 OLD_FILES+=usr/include/c++/4.2/tr1/random
 OLD_FILES+=usr/include/c++/4.2/tr1/random.tcc
 OLD_FILES+=usr/include/c++/4.2/tr1/ref_fwd.h
 OLD_FILES+=usr/include/c++/4.2/tr1/ref_wrap_iterate.h
 OLD_FILES+=usr/include/c++/4.2/tr1/repeat.h
 OLD_FILES+=usr/include/c++/4.2/tr1/stdarg.h
 OLD_FILES+=usr/include/c++/4.2/tr1/stdbool.h
 OLD_FILES+=usr/include/c++/4.2/tr1/stdint.h
 OLD_FILES+=usr/include/c++/4.2/tr1/stdio.h
 OLD_FILES+=usr/include/c++/4.2/tr1/stdlib.h
 OLD_FILES+=usr/include/c++/4.2/tr1/tgmath.h
 OLD_FILES+=usr/include/c++/4.2/tr1/tuple
 OLD_FILES+=usr/include/c++/4.2/tr1/tuple_defs.h
 OLD_FILES+=usr/include/c++/4.2/tr1/tuple_iterate.h
 OLD_FILES+=usr/include/c++/4.2/tr1/type_traits
 OLD_FILES+=usr/include/c++/4.2/tr1/type_traits_fwd.h
 OLD_FILES+=usr/include/c++/4.2/tr1/unordered_map
 OLD_FILES+=usr/include/c++/4.2/tr1/unordered_set
 OLD_FILES+=usr/include/c++/4.2/tr1/utility
 OLD_FILES+=usr/include/c++/4.2/tr1/wchar.h
 OLD_FILES+=usr/include/c++/4.2/tr1/wctype.h
 OLD_FILES+=usr/include/c++/4.2/typeinfo
 OLD_FILES+=usr/include/c++/4.2/utility
 OLD_FILES+=usr/include/c++/4.2/valarray
 OLD_FILES+=usr/include/c++/4.2/vector
 .if ${TARGET_ARCH} == "amd64" || ${TARGET_ARCH} == "i386"
 OLD_FILES+=usr/include/gcc/4.2/__wmmintrin_aes.h
 OLD_FILES+=usr/include/gcc/4.2/__wmmintrin_pclmul.h
 OLD_FILES+=usr/include/gcc/4.2/ammintrin.h
 OLD_FILES+=usr/include/gcc/4.2/emmintrin.h
 OLD_FILES+=usr/include/gcc/4.2/mm3dnow.h
 OLD_FILES+=usr/include/gcc/4.2/mm_malloc.h
 OLD_FILES+=usr/include/gcc/4.2/mmintrin.h
 OLD_FILES+=usr/include/gcc/4.2/pmmintrin.h
 OLD_FILES+=usr/include/gcc/4.2/tmmintrin.h
 OLD_FILES+=usr/include/gcc/4.2/wmmintrin.h
 OLD_FILES+=usr/include/gcc/4.2/xmmintrin.h
 .elif ${TARGET_ARCH} == "arm"
 OLD_FILES+=usr/include/gcc/4.2/mmintrin.h
 .elif ${TARGET_ARCH} == "powerpc" || ${TARGET_ARCH} == "powerpc64"
 OLD_FILES+=usr/include/gcc/4.2/altivec.h
 OLD_FILES+=usr/include/gcc/4.2/ppc-asm.h
 OLD_FILES+=usr/include/gcc/4.2/spe.h
 .endif
 OLD_FILES+=usr/lib/libgcov.a
 OLD_FILES+=usr/lib/libgomp.a
 OLD_FILES+=usr/lib/libstdc++.a
 OLD_FILES+=usr/lib/libstdc++.so
 OLD_LIBS+=usr/lib/libstdc++.so.6
 OLD_FILES+=usr/lib/libstdc++_p.a
 OLD_FILES+=usr/lib/libsupc++.a
 OLD_FILES+=usr/lib/libsupc++.so
 OLD_LIBS+=usr/lib/libsupc++.so.1
 OLD_FILES+=usr/lib/libsupc++_p.a
 OLD_LIBS+=usr/lib/libgomp.so.1
 OLD_FILES+=usr/lib/libgomp_p.a
 OLD_FILES+=usr/libexec/cc1
 OLD_FILES+=usr/libexec/cc1plus
 OLD_FILES+=usr/share/man/man1/gcpp.1.gz
 OLD_FILES+=usr/share/man/man1/gperf.1.gz
 OLD_FILES+=usr/share/man/man7/gperf.7.gz
 OLD_DIRS+=usr/include/c++/4.2/tr1
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/unordered_iterator
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/trie_policy
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/tree_policy
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/resize_policy
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/pairing_heap_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_policy
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/hash_fn
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/eq_fn
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_base_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail/basic_tree_policy
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds/detail
 OLD_DIRS+=usr/include/c++/4.2/ext/pb_ds
 OLD_DIRS+=usr/include/c++/4.2/ext
 OLD_DIRS+=usr/include/c++/4.2/debug
 OLD_DIRS+=usr/include/c++/4.2/bits
 OLD_DIRS+=usr/include/c++/4.2/backward
 OLD_DIRS+=usr/include/c++/4.2
 OLD_DIRS+=usr/include/gcc/4.2
 OLD_DIRS+=usr/include/gcc
 
 # 20200220: Upgrade of ncurses, shlib bumped to version 9
 OLD_LIBS+=lib/libncurses.so.8
 OLD_LIBS+=lib/libncursesw.so.8
 
 # 20200206: Remove elf2aout
 OLD_FILES+=usr/bin/elf2aout
 OLD_FILES+=usr/share/man/man1/elf2aout.1.gz
 
 # 20200204: simple_httpd removed
 OLD_FILES+=usr/sbin/simple_httpd
 
 # 20200127: vpo removed
 OLD_FILES+=usr/include/dev/ppbus/vpoio.h
 OLD_FILES+=usr/share/man/man4/imm.4.gz
 OLD_FILES+=usr/share/man/man4/vpo.4.gz
 
 # 20200104: gcc libssp removed
 OLD_FILES+=usr/lib/libssp.a
 
 # 20191229: GEOM_SCHED class and gsched tool removed
 OLD_LIBS+=lib/geom/geom_sched.so
 OLD_FILES+=sbin/gsched
 OLD_FILES+=usr/share/man/man8/gsched.8.gz
 
 # 20191222: new clang import which bumps version from 9.0.0 to 9.0.1
 OLD_FILES+=usr/lib/clang/9.0.0/include/cuda_wrappers/algorithm
 OLD_FILES+=usr/lib/clang/9.0.0/include/cuda_wrappers/complex
 OLD_FILES+=usr/lib/clang/9.0.0/include/cuda_wrappers/new
 OLD_DIRS+=usr/lib/clang/9.0.0/include/cuda_wrappers
 OLD_FILES+=usr/lib/clang/9.0.0/include/openmp_wrappers/__clang_openmp_math.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/openmp_wrappers/__clang_openmp_math_declares.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/openmp_wrappers/cmath
 OLD_FILES+=usr/lib/clang/9.0.0/include/openmp_wrappers/math.h
 OLD_DIRS+=usr/lib/clang/9.0.0/include/openmp_wrappers
 OLD_FILES+=usr/lib/clang/9.0.0/include/ppc_wrappers/emmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/ppc_wrappers/mm_malloc.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/ppc_wrappers/mmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/ppc_wrappers/xmmintrin.h
 OLD_DIRS+=usr/lib/clang/9.0.0/include/ppc_wrappers
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sanitizer/tsan_interface_atomic.h
 OLD_DIRS+=usr/lib/clang/9.0.0/include/sanitizer
 OLD_FILES+=usr/lib/clang/9.0.0/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/altivec.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/armintr.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512bf16intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vlbf16intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vlvp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vp2intersectintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/cpuid.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/enqcmdintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/immintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/module.modulemap
 OLD_FILES+=usr/lib/clang/9.0.0/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/msa.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/opencl-c-base.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/vadefs.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/9.0.0/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/9.0.0/include
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-aarch64.so
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-arm.so
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-armhf.so
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-preinit-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-preinit-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-preinit-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan_cxx-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi_diag-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi_diag-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi_diag-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi_diag-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.cfi_diag-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.dd-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.dd-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.fuzzer-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.fuzzer-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.fuzzer_no_main-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.msan-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.msan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-powerpc.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-powerpc64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.safestack-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats_client-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats_client-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats_client-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.tsan-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.tsan_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_minimal-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_minimal-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_minimal-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-basic-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-basic-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-basic-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-basic-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-fdr-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-fdr-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-fdr-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-fdr-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-profiling-aarch64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-profiling-arm.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-profiling-armhf.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-profiling-x86_64.a
 OLD_FILES+=usr/lib/clang/9.0.0/lib/freebsd/libclang_rt.xray-x86_64.a
 OLD_DIRS+=usr/lib/clang/9.0.0/lib/freebsd
 OLD_DIRS+=usr/lib/clang/9.0.0/lib
 OLD_DIRS+=usr/lib/clang/9.0.0
 # 20191221: Update libpcap from 1.9.0 to 1.9.1
 OLD_FILES+=usr/share/man/man3/pcap_set_immediate_mode.3.gz
 OLD_FILES+=usr/share/man/man3/pcap_set_protocol.3.gz
 # 20191214: Removal of sranddev(3)
 OLD_FILES+=usr/share/man/man3/sranddev.3.gz
 # 20191213: Renamed (BIT|CPU)_NAND to (BIT|CPU)_ANDNOT
 OLD_FILES+=usr/share/man/man9/BIT_NAND.9.gz
 OLD_FILES+=usr/share/man/man9/CPU_NAND.9.gz
 # 20191213: remove timeout(9)
 OLD_FILES+=usr/share/man/man9/callout_handle_init.9.gz
 OLD_FILES+=usr/share/man/man9/timeout.9.gz
 OLD_FILES+=usr/share/man/man9/untimeout.9.gz
 # 20191128: Removal of trm(4)
 OLD_FILES+=usr/share/man/man4/trm.4.gz
 # 20191121: Removal of sio(4)
 OLD_FILES+=usr/share/man/man4/sio.4.gz
 # 20191105: picobsd(8), et al, removed
 OLD_FILES+=usr/share/man/man8/picobsd.8.gz
 # 20191017: taskqueue_start_threads_pinned became taskqueue_start_threads_cpuset
 OLD_FILES+=usr/share/man/man9/taskqueue_start_threads_pinned.9.gz
 # 20191009: new clang import which bumps version from 8.0.1 to 9.0.0
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/esan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sanitizer/tsan_interface_atomic.h
 OLD_DIRS+=usr/lib/clang/8.0.1/include/sanitizer
 OLD_FILES+=usr/lib/clang/8.0.1/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/altivec.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/armintr.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/cpuid.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/immintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/module.modulemap
 OLD_FILES+=usr/lib/clang/8.0.1/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/msa.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/vadefs.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/8.0.1/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/8.0.1/include
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.profile-aarch64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/8.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_DIRS+=usr/lib/clang/8.0.1/lib/freebsd
 OLD_DIRS+=usr/lib/clang/8.0.1/lib
 OLD_DIRS+=usr/lib/clang/8.0.1
 # 20191009: libc++ 9.0.0 removed some experimental files
 OLD_FILES+=usr/include/c++/v1/experimental/any
 OLD_FILES+=usr/include/c++/v1/experimental/chrono
 OLD_FILES+=usr/include/c++/v1/experimental/numeric
 OLD_FILES+=usr/include/c++/v1/experimental/optional
 OLD_FILES+=usr/include/c++/v1/experimental/ratio
 OLD_FILES+=usr/include/c++/v1/experimental/string_view
 OLD_FILES+=usr/include/c++/v1/experimental/system_error
 OLD_FILES+=usr/include/c++/v1/experimental/tuple
 OLD_FILES+=usr/lib/libc++fs.a
 # 20191003: Remove useless ZFS tests
 OLD_FILES+=usr/tests/sys/cddl/zfs/tests/cli_root/zpool_create/zpool_create_013_neg.ksh
 OLD_FILES+=usr/tests/sys/cddl/zfs/tests/cli_root/zpool_create/zpool_create_014_neg.ksh
 OLD_FILES+=usr/tests/sys/cddl/zfs/tests/cli_root/zpool_create/zpool_create_016_pos.ksh
 # 20190910: mklocale(1) and colldef(1) removed
 OLD_FILES+=usr/bin/mklocale
 OLD_FILES+=usr/share/man/man1/mklocale.1.gz
 OLD_FILES+=usr/bin/colldef
 OLD_FILES+=usr/share/man/man1/colldef.1.gz
 # 20190904: Remove boot1.efifat and gptboot.efifat (which never should have been)
 OLD_FILES+=boot/boot1.efifat
 OLD_FILES+=boot/gptboot.efifat
 # 20190903: pc-sysinstall(8) removed
 OLD_FILES+=usr/share/examples/pc-sysinstall/README
 OLD_FILES+=usr/share/examples/pc-sysinstall/pc-autoinstall.conf
 OLD_FILES+=usr/share/examples/pc-sysinstall/pcinstall.cfg.fbsd-netinstall
 OLD_FILES+=usr/share/examples/pc-sysinstall/pcinstall.cfg.geli
 OLD_FILES+=usr/share/examples/pc-sysinstall/pcinstall.cfg.gmirror
 OLD_FILES+=usr/share/examples/pc-sysinstall/pcinstall.cfg.netinstall
 OLD_FILES+=usr/share/examples/pc-sysinstall/pcinstall.cfg.restore
 OLD_FILES+=usr/share/examples/pc-sysinstall/pcinstall.cfg.rsync
 OLD_FILES+=usr/share/examples/pc-sysinstall/pcinstall.cfg.upgrade
 OLD_FILES+=usr/share/examples/pc-sysinstall/pcinstall.cfg.zfs
 OLD_FILES+=usr/share/man/man8/pc-sysinstall.8.gz
 OLD_FILES+=usr/share/pc-sysinstall/backend-partmanager/create-part.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-partmanager/delete-part.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/detect-emulation.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/detect-laptop.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/detect-nics.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/disk-info.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/disk-list.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/disk-part.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/enable-net.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/get-packages.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/list-components.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/list-config.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/list-mirrors.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/list-packages.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/list-rsync-backups.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/list-tzones.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/query-langs.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/send-logs.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/setup-ssh-keys.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/set-mirror.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/sys-mem.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/test-live.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/test-netup.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/update-part-list.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/xkeyboard-layouts.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/xkeyboard-models.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend-query/xkeyboard-variants.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-bsdlabel.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-cleanup.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-disk.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-extractimage.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-ftp.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-installcomponents.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-installpackages.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-localize.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-mountdisk.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-mountoptical.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-networking.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-newfs.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-parse.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-packages.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-runcommands.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-unmount.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-upgrade.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions-users.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/functions.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/installimage.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/parseconfig.sh
 OLD_FILES+=usr/share/pc-sysinstall/backend/startautoinstall.sh
 OLD_FILES+=usr/share/pc-sysinstall/conf/avail-langs
 OLD_FILES+=usr/share/pc-sysinstall/conf/exclude-from-upgrade
 OLD_FILES+=usr/share/pc-sysinstall/conf/license/bsd-en.txt
 OLD_FILES+=usr/share/pc-sysinstall/conf/license/intel-en.txt
 OLD_FILES+=usr/share/pc-sysinstall/conf/license/nvidia-en.txt
 OLD_FILES+=usr/share/pc-sysinstall/conf/pc-sysinstall.conf
 OLD_FILES+=usr/share/pc-sysinstall/doc/help-disk-list
 OLD_FILES+=usr/share/pc-sysinstall/doc/help-disk-size
 OLD_FILES+=usr/share/pc-sysinstall/doc/help-index
 OLD_FILES+=usr/share/pc-sysinstall/doc/help-start-autoinstall
 OLD_FILES+=usr/sbin/pc-sysinstall
 OLD_DIRS+=usr/share/examples/pc-sysinstall
 OLD_DIRS+=usr/share/pc-sysinstall/backend
 OLD_DIRS+=usr/share/pc-sysinstall/backend-partmanager
 OLD_DIRS+=usr/share/pc-sysinstall/backend-query
 OLD_DIRS+=usr/share/pc-sysinstall/conf/license
 OLD_DIRS+=usr/share/pc-sysinstall/conf
 OLD_DIRS+=usr/share/pc-sysinstall/doc
 OLD_DIRS+=usr/share/pc-sysinstall
 # 20190825: zlib 1.0.4 removed from kernel
 OLD_FILES+=usr/include/sys/zlib.h
 OLD_FILES+=usr/include/sys/zutil.h
 # 20190817: pft_ping.py and sniffer.py moved to /usr/tests/sys/netpfil/common
 OLD_FILES+=usr/tests/sys/netpfil/pf/sniffer.py
 OLD_FILES+=usr/tests/sys/netpfil/pf/pft_ping.py
 # 20190816: dir.h removed from POSIX
 OLD_FILES+=usr/include/sys/dir.h
 # 20190813: deprecated GEOM classes removed
 OLD_FILES+=usr/share/man/man4/geom_fox.4.gz
 # 20190729: gzip'ed a.out support removed
 OLD_FILES+=usr/include/sys/inflate.h
 # 20190722: cap_random(3) removed
 OLD_LIBS+=lib/casper/libcap_random.so.1
 OLD_FILES+=usr/include/casper/cap_random.h
 OLD_LIBS+=usr/lib/libcap_random.so
 OLD_FILES+=usr/share/man/man3/libcap_random.3.gz
 OLD_FILES+=usr/share/man/man3/cap_random.3.gz
 OLD_FILES+=usr/share/man/man3/cap_random_buf.3.gz
 # 20190708: vm_page_hold() and _unhold() removed
 OLD_FILES+=usr/share/man/man9/vm_page_hold.9.gz
 OLD_FILES+=usr/share/man/man9/vm_page_unhold.9.gz
 # 20190625: Remove NAND and NANDFS support
 OLD_FILES+=usr/share/man/man4/nand.4.gz
 OLD_FILES+=usr/share/man/man4/nandsim.4.gz
 # 20190618: sys/capability.h removed (sys/capsicum.h is the one to use)
 OLD_FILES+=usr/include/sys/capability.h
 # 20190615: sys/pwm.h renamed to dev/pwmc.h
 OLD_FILES+=usr/include/sys/pwm.h
 # 20190612: new clang import which bumps version from 8.0.0 to 8.0.1
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/esan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sanitizer/tsan_interface_atomic.h
 OLD_DIRS+=usr/lib/clang/8.0.0/include/sanitizer
 OLD_FILES+=usr/lib/clang/8.0.0/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/altivec.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/armintr.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/cpuid.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/immintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/module.modulemap
 OLD_FILES+=usr/lib/clang/8.0.0/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/msa.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/vadefs.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/8.0.0/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/8.0.0/include
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/8.0.0/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_DIRS+=usr/lib/clang/8.0.0/lib/freebsd
 OLD_DIRS+=usr/lib/clang/8.0.0/lib
 OLD_DIRS+=usr/lib/clang/8.0.0
 # 20190523: Remove obsolete kgzip and support files
 OLD_FILES+=usr/sbin/kgzip
 OLD_FILES+=usr/lib/kgzldr.o
 OLD_FILES+=usr/share/man/man8/kgzip.8.gz
 # 20190517: Remove obsolete 10 and 10/100 ethernet drivers
 OLD_FILES+=usr/share/man/man4/bm.4.gz
 OLD_FILES+=usr/share/man/man4/cs.4.gz
 OLD_FILES+=usr/share/man/man4/de.4.gz
 OLD_FILES+=usr/share/man/man4/if_de.4.gz
 OLD_FILES+=usr/share/man/man4/ed.4.gz
 OLD_FILES+=usr/share/man/man4/if_ed.4.gz
 OLD_FILES+=usr/share/man/man4/ep.4.gz
 OLD_FILES+=usr/share/man/man4/ex.4.gz
 OLD_FILES+=usr/share/man/man4/fe.4.gz
 OLD_FILES+=usr/share/man/man4/pcn.4.gz
 OLD_FILES+=usr/share/man/man4/if_pcn.4.gz
 OLD_FILES+=usr/share/man/man4/sf.4.gz
 OLD_FILES+=usr/share/man/man4/if_sf.4.gz
 OLD_FILES+=usr/share/man/man4/sn.4.gz
 OLD_FILES+=usr/share/man/man4/if_sn.4.gz
 OLD_FILES+=usr/share/man/man4/tl.4.gz
 OLD_FILES+=usr/share/man/man4/if_tl.4.gz
 OLD_FILES+=usr/share/man/man4/tx.4.gz
 OLD_FILES+=usr/share/man/man4/if_tx.4.gz
 OLD_FILES+=usr/share/man/man4/txp.4.gz
 OLD_FILES+=usr/share/man/man4/if_txp.4.gz
 OLD_FILES+=usr/share/man/man4/vx.4.gz
 OLD_FILES+=usr/share/man/man4/wb.4.gz
 OLD_FILES+=usr/share/man/man4/if_wb.4.gz
 OLD_FILES+=usr/share/man/man4/xe.4.gz
 OLD_FILES+=usr/share/man/man4/if_xe.4.gz
 # 20190513: libcap_sysctl interface change
 OLD_LIBS+=lib/casper/libcap_sysctl.so.1
 # 20190509: tests/sys/opencrypto requires the net/py-dpkt package
 OLD_FILES+=usr/tests/sys/opencrypto/dpkt.py
 OLD_FILES+=usr/tests/sys/opencrypto/dpkt.pyc
 # 20190304: new libc++ import which bumps version from 7.0.1 to 8.0.0
 OLD_FILES+=usr/include/c++/v1/experimental/dynarray
 # 20190304: new clang import which bumps version from 7.0.1 to 8.0.0
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/esan_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/netbsd_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sanitizer/tsan_interface_atomic.h
 OLD_DIRS+=usr/lib/clang/7.0.1/include/sanitizer
 OLD_FILES+=usr/lib/clang/7.0.1/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__clang_cuda_device_functions.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__clang_cuda_libdevice_declares.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/altivec.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/arm_fp16.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/armintr.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/cldemoteintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/cpuid.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/immintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/invpcidintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/module.modulemap
 OLD_FILES+=usr/lib/clang/7.0.1/include/movdirintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/msa.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/pconfigintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/ptwriteintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/sgxintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/vadefs.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/waitpkgintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/wbnoinvdintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/7.0.1/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/7.0.1/include
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.msan-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.msan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/7.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_DIRS+=usr/lib/clang/7.0.1/lib/freebsd
 OLD_DIRS+=usr/lib/clang/7.0.1/lib
 OLD_DIRS+=usr/lib/clang/7.0.1
 # 20190227: rename seq.h to seqc.h
 OLD_FILES+=usr/include/sys/seq.h
 # 20190222: libifconfig made INTERNALLIB
 OLD_FILES+=usr/lib/libprivateifconfig.a
 OLD_FILES+=usr/lib/libprivateifconfig_p.a
 # 20190131: pfil(9) changed
 OLD_FILES+=usr/share/man/man9/pfil_hook_get.9.gz
 OLD_FILES+=usr/share/man/man9/pfil_rlock.9.gz
 OLD_FILES+=usr/share/man/man9/pfil_runlock.9.gz
 OLD_FILES+=usr/share/man/man9/pfil_wlock.9.gz
 OLD_FILES+=usr/share/man/man9/pfil_wunlock.9.gz
 # 20190126: adv(4) / adw(4) removal
 OLD_FILES+=usr/share/man/man4/adv.4.gz
 OLD_FILES+=usr/share/man/man4/adw.4.gz
 # 20190123: nonexistant cred_update_thread(9) removed
 OLD_FILES+=usr/share/man/man9/cred_update_thread.9.gz
 # 20190114: old pbuf allocator removed
 OLD_FILES+=usr/share/man/man9/getpbuf.9.gz
 OLD_FILES+=usr/share/man/man9/pbuf.9.gz
 OLD_FILES+=usr/share/man/man9/relpbuf.9.gz
 OLD_FILES+=usr/share/man/man9/trypbuf.9.gz
 # 20181219: ibcs removal
 OLD_FILES+=usr/share/examples/ibcs2/hello.uu
 OLD_FILES+=usr/share/examples/ibcs2/README
 OLD_DIRS+=usr/share/examples/ibcs2
 # 20181215: Migration of CTM to ports
 OLD_FILES+=usr/sbin/ctm
 OLD_FILES+=usr/sbin/ctm_dequeue
 OLD_FILES+=usr/sbin/ctm_rmail
 OLD_FILES+=usr/sbin/ctm_smail
 OLD_FILES+=usr/share/man/man1/ctm.1.gz
 OLD_FILES+=usr/share/man/man1/ctm_dequeue.1.gz
 OLD_FILES+=usr/share/man/man1/ctm_rmail.1.gz
 OLD_FILES+=usr/share/man/man1/ctm_smail.1.gz
 OLD_FILES+=usr/share/man/man5/ctm.5.gz
 # 20181214: Remove timed files
 OLD_FILES+=etc/rc.d/timed
 OLD_FILES+=usr/sbin/timed
 OLD_FILES+=usr/sbin/timedc
 OLD_FILES+=usr/share/man/man8/timed.8.gz
 OLD_FILES+=usr/share/man/man8/timedc.8.gz
 # 20181211: new clang import which bumps version from 6.0.1 to 7.0.1
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/allocator_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/asan_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/common_interface_defs.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/coverage_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/dfsan_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/esan_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/hwasan_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/linux_syscall_hooks.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/lsan_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/msan_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/scudo_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/tsan_interface.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/sanitizer/tsan_interface_atomic.h
 OLD_DIRS+=usr/lib/clang/6.0.1/include/sanitizer
 OLD_FILES+=usr/lib/clang/6.0.1/include/__clang_cuda_builtin_vars.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/__clang_cuda_cmath.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/__clang_cuda_complex_builtins.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/__clang_cuda_intrinsics.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/__clang_cuda_math_forward_declares.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/__clang_cuda_runtime_wrapper.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/__stddef_max_align_t.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/__wmmintrin_aes.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/__wmmintrin_pclmul.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/adxintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/altivec.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/ammintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/arm64intr.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/arm_acle.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/arm_neon.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/armintr.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx2intrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512bitalgintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512bwintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512cdintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512dqintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512erintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512fintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512ifmaintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512ifmavlintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512pfintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vbmi2intrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vbmiintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vbmivlintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vlbitalgintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vlbwintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vlcdintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vldqintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vlintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vlvbmi2intrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vlvnniintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vnniintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vpopcntdqintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avx512vpopcntdqvlintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/avxintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/bmi2intrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/bmiintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/cetintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/clflushoptintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/clwbintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/clzerointrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/cpuid.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/emmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/f16cintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/fma4intrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/fmaintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/fxsrintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/gfniintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/htmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/htmxlintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/ia32intrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/immintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/lwpintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/lzcntintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/mm3dnow.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/mm_malloc.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/mmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/module.modulemap
 OLD_FILES+=usr/lib/clang/6.0.1/include/msa.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/mwaitxintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/nmmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/opencl-c.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/pkuintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/pmmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/popcntintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/prfchwintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/rdseedintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/rtmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/s390intrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/shaintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/smmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/tbmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/tmmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/vadefs.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/vaesintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/vecintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/vpclmulqdqintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/wmmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/x86intrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/xmmintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/xopintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/xsavecintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/xsaveintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/xsaveoptintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/xsavesintrin.h
 OLD_FILES+=usr/lib/clang/6.0.1/include/xtestintrin.h
 OLD_DIRS+=usr/lib/clang/6.0.1/include
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.asan-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.asan-i386.so
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.asan-preinit-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.asan-preinit-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.asan-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.asan-x86_64.so
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.asan_cxx-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.profile-arm.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.profile-armhf.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.profile-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.profile-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.safestack-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.safestack-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.stats-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.stats-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.stats_client-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.stats_client-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.tsan-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.tsan_cxx-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.ubsan_minimal-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.ubsan_minimal-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.ubsan_standalone-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.ubsan_standalone-x86_64.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-i386.a
 OLD_FILES+=usr/lib/clang/6.0.1/lib/freebsd/libclang_rt.ubsan_standalone_cxx-x86_64.a
 OLD_DIRS+=usr/lib/clang/6.0.1/lib/freebsd
 OLD_DIRS+=usr/lib/clang/6.0.1/lib
 OLD_DIRS+=usr/lib/clang/6.0.1
 # 20181116: Rename test file
 OLD_FILES+=usr/tests/sys/netinet/reuseport_lb
 # 20181113: libufs version bumped to 7
 OLD_LIBS+=lib/libufs.so.6
 # 20181112: Cleanup old libcap_dns
 OLD_LIBS+=lib/casper/libcap_dns.so.1
 # 20181030: malloc_domain(9) KPI change
 OLD_FILES+=usr/share/man/man9/malloc_domain.9.gz
 # 20181026: joy(4) removal
 OLD_FILES+=usr/share/man/man4/joy.4.gz
 # 20181025: OpenSSL libraries version bump to avoid conflict with ports
 OLD_LIBS+=lib/libcrypto.so.9
 OLD_LIBS+=usr/lib/libssl.so.9
 # 20181022: aha(4) removal
 OLD_FILES+=usr/share/man/man4/aha.4.gz
 # 20181022: dpt(4) removal
 OLD_FILES+=usr/share/man/man4/dpt.4.gz
 # 20181022: ncr(4) removal
 OLD_FILES+=usr/share/man/man4/ncr.4.gz
 # 20181022: ncv(4) removal
 OLD_FILES+=usr/share/man/man4/ncv.4.gz
 # 20181022: nsp(4) removal
 OLD_FILES+=usr/share/man/man4/nsp.4.gz
 # 20181022: stg(4) removal
 OLD_FILES+=usr/share/man/man4/stg.4.gz
 # 20181021: mse(4) removal
 OLD_FILES+=usr/share/man/man4/mse.4.gz
 
 .include "tools/build/mk/OptionalObsoleteFiles.inc"
diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
index fe764e7c4ed7..d2282b3e5a80 100644
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -1,2529 +1,2528 @@
 .include <src.opts.mk>
 
 PACKAGE=	kernel-man
 
 MAN=	accept_filter.9 \
 	accf_data.9 \
 	accf_dns.9 \
 	accf_http.9 \
 	accf_tls.9 \
 	acl.9 \
 	alq.9 \
 	altq.9 \
 	atomic.9 \
 	backlight.9 \
 	bhnd.9 \
 	bhnd_erom.9 \
 	bios.9 \
 	bitset.9 \
 	bpf.9 \
 	buf.9 \
 	buf_ring.9 \
 	BUF_ISLOCKED.9 \
 	BUF_LOCK.9 \
 	BUF_LOCKFREE.9 \
 	BUF_LOCKINIT.9 \
 	BUF_RECURSED.9 \
 	BUF_TIMELOCK.9 \
 	BUF_UNLOCK.9 \
 	bus_activate_resource.9 \
 	BUS_ADD_CHILD.9 \
 	bus_adjust_resource.9 \
 	bus_alloc_resource.9 \
 	bus_attach_children.9 \
 	BUS_BIND_INTR.9 \
 	bus_child_present.9 \
 	BUS_CHILD_DELETED.9 \
 	BUS_CHILD_DETACHED.9 \
 	BUS_CHILD_LOCATION.9 \
 	BUS_CHILD_PNPINFO.9 \
 	BUS_CONFIG_INTR.9 \
 	BUS_DESCRIBE_INTR.9 \
 	bus_dma.9 \
 	bus_generic_detach.9 \
 	bus_generic_new_pass.9 \
 	bus_generic_print_child.9 \
 	bus_generic_read_ivar.9 \
 	bus_generic_shutdown.9 \
 	BUS_GET_CPUS.9 \
 	BUS_GET_PROPERTY.9 \
 	bus_get_resource.9 \
 	BUS_HINTED_CHILD.9 \
 	bus_map_resource.9 \
 	BUS_NEW_PASS.9 \
 	BUS_PRINT_CHILD.9 \
 	BUS_READ_IVAR.9 \
 	BUS_RESCAN.9 \
 	bus_release_resource.9 \
 	bus_set_pass.9 \
 	bus_set_resource.9 \
 	BUS_SETUP_INTR.9 \
 	bus_space.9 \
 	byteorder.9 \
 	callout.9 \
 	casuword.9 \
 	cd.9 \
 	cdefs.9 \
 	cnv.9 \
 	condvar.9 \
 	config_intrhook.9 \
 	contigmalloc.9 \
 	copy.9 \
 	coredumper_register.9 \
 	counter.9 \
 	cpu_machdep.9 \
 	cpuset.9 \
 	cr_bsd_visible.9 \
 	cr_cansee.9 \
 	cr_canseejailproc.9 \
 	cr_canseeothergids.9 \
 	cr_canseeotheruids.9 \
 	critical_enter.9 \
 	crypto.9 \
 	crypto_buffer.9 \
 	crypto_driver.9 \
 	crypto_request.9 \
 	crypto_session.9 \
 	CTASSERT.9 \
 	DB_COMMAND.9 \
 	DECLARE_GEOM_CLASS.9 \
 	DECLARE_MODULE.9 \
 	DEFINE_IFUNC.9 \
 	DELAY.9 \
 	devclass.9 \
 	devclass_find.9 \
 	devclass_get_device.9 \
 	devclass_get_devices.9 \
 	devclass_get_drivers.9 \
 	devclass_get_maxunit.9 \
 	devclass_get_name.9 \
 	devclass_get_softc.9 \
 	dev_clone.9 \
 	devfs_set_cdevpriv.9 \
 	device.9 \
 	device_add_child.9 \
 	DEVICE_ATTACH.9 \
 	device_delete_child.9 \
 	device_delete_children.9 \
 	DEVICE_DETACH.9 \
 	device_enable.9 \
 	device_find_child.9 \
 	device_get_children.9 \
 	device_get_devclass.9 \
 	device_get_driver.9 \
 	device_get_ivars.9 \
 	device_get_name.9 \
 	device_get_parent.9 \
 	device_get_property.9 \
 	device_get_softc.9 \
 	device_get_state.9 \
 	device_get_sysctl.9 \
 	device_get_unit.9 \
 	DEVICE_IDENTIFY.9 \
 	device_printf.9 \
 	DEVICE_PROBE.9 \
 	device_probe_and_attach.9 \
 	device_quiet.9 \
 	device_set_desc.9 \
 	device_set_driver.9 \
 	device_set_flags.9 \
 	DEVICE_SHUTDOWN.9 \
 	DEV_MODULE.9 \
 	dev_refthread.9 \
 	devctl_notify.9 \
 	devctl_process_running.9 \
 	devctl_safe_quote_sb.9 \
 	devstat.9 \
 	devtoname.9 \
 	disk.9 \
 	dnv.9 \
 	domain.9 \
 	domainset.9 \
 	dpcpu.9 \
 	drbr.9 \
 	driver.9 \
 	DRIVER_MODULE.9 \
 	efirt.9 \
 	epoch.9 \
 	ether_gen_addr.9 \
 	EVENTHANDLER.9 \
 	eventtimers.9 \
 	extattr.9 \
 	fail.9 \
 	fdt_pinctrl.9 \
 	fetch.9 \
 	firmware.9 \
 	fpu_kern.9 \
 	g_access.9 \
 	g_attach.9 \
 	g_bio.9 \
 	g_consumer.9 \
 	g_data.9 \
 	get_cyclecount.9 \
 	getenv.9 \
 	getnewvnode.9 \
 	g_event.9 \
 	g_geom.9 \
 	g_provider.9 \
 	g_provider_by_name.9 \
 	groupmember.9 \
 	g_wither_geom.9 \
 	gone_in.9 \
 	hardclock.9 \
 	hash.9 \
 	hashinit.9 \
 	hexdump.9 \
 	hhook.9 \
 	hz.9 \
 	ieee80211.9 \
 	ieee80211_amrr.9 \
 	ieee80211_beacon.9 \
 	ieee80211_bmiss.9 \
 	ieee80211_crypto.9 \
 	ieee80211_ddb.9 \
 	ieee80211_input.9 \
 	ieee80211_node.9 \
 	ieee80211_output.9 \
 	ieee80211_proto.9 \
 	ieee80211_radiotap.9 \
 	ieee80211_regdomain.9 \
 	ieee80211_scan.9 \
 	ieee80211_vap.9 \
 	iflib.9 \
 	iflibdd.9 \
 	iflibdi.9 \
 	iflibtxrx.9 \
 	ifnet.9 \
 	inittodr.9 \
 	insmntque.9 \
 	intr_event.9 \
 	intro.9 \
 	kasan.9 \
 	KASSERT.9 \
 	kern_reboot.9 \
 	kern_testfrwk.9 \
 	kern_yield.9 \
 	kernacc.9 \
 	kernel_mount.9 \
 	khelp.9 \
 	kmsan.9 \
 	kobj.9 \
 	kproc.9 \
 	kqueue.9 \
 	kstack_contains.9 \
 	kthread.9 \
 	ktr.9 \
 	lock.9 \
 	locking.9 \
 	LOCK_PROFILING.9 \
 	mac.9 \
 	make_dev.9 \
 	malloc.9 \
 	mbchain.9 \
 	mbuf.9 \
 	mbuf_tags.9 \
 	mdchain.9 \
 	memcchr.9 \
 	memguard.9 \
 	microseq.9 \
 	microtime.9 \
 	microuptime.9 \
 	mi_switch.9 \
 	mod_cc.9 \
 	module.9 \
 	MODULE_DEPEND.9 \
 	MODULE_PNP_INFO.9 \
 	MODULE_VERSION.9 \
 	mtx_pool.9 \
 	mutex.9 \
 	namei.9 \
 	netisr.9 \
 	nv.9 \
 	nvmem.9 \
 	OF_child.9 \
 	OF_device_from_xref.9 \
 	OF_finddevice.9 \
 	OF_getprop.9 \
 	OF_node_from_xref.9 \
 	OF_package_to_path.9 \
 	ofw_bus_is_compatible.9 \
 	ofw_bus_status_okay.9 \
 	ofw_graph.9 \
 	osd.9 \
 	owll.9 \
 	own.9 \
 	panic.9 \
 	p_candebug.9 \
 	p_cansee.9 \
 	pci.9 \
 	PCI_IOV_ADD_VF.9 \
 	PCI_IOV_INIT.9 \
 	pci_iov_schema.9 \
 	PCI_IOV_UNINIT.9 \
 	pfil.9 \
 	pfind.9 \
 	pget.9 \
 	pgfind.9 \
 	PHOLD.9 \
 	physio.9 \
 	pmap.9 \
 	pmap_activate.9 \
 	pmap_clear_modify.9 \
 	pmap_copy.9 \
 	pmap_enter.9 \
 	pmap_extract.9 \
 	pmap_kextract.9 \
 	pmap_growkernel.9 \
 	pmap_init.9 \
 	pmap_is_modified.9 \
 	pmap_is_prefaultable.9 \
 	pmap_map.9 \
 	pmap_mincore.9 \
 	pmap_object_init_pt.9 \
 	pmap_page_exists_quick.9 \
 	pmap_page_init.9 \
 	pmap_pinit.9 \
 	pmap_protect.9 \
 	pmap_qenter.9 \
 	pmap_quick_enter_page.9 \
 	pmap_release.9 \
 	pmap_remove.9 \
 	pmap_resident_count.9 \
 	pmap_unwire.9 \
 	pmap_zero_page.9 \
 	printf.9 \
 	prison_check.9 \
 	priv.9 \
 	prng.9 \
 	proc_rwmem.9 \
 	pseudofs.9 \
 	psignal.9 \
 	pwmbus.9 \
 	random.9 \
 	random_harvest.9 \
 	ratecheck.9 \
 	redzone.9 \
 	refcount.9 \
 	regulator.9 \
 	resettodr.9 \
 	resource_int_value.9 \
 	rijndael.9 \
 	rman.9 \
 	rmlock.9 \
 	rtentry.9 \
 	runqueue.9 \
 	rwlock.9 \
 	sbuf.9 \
 	scheduler.9 \
 	SDT.9 \
 	securelevel_gt.9 \
 	selrecord.9 \
 	sema.9 \
 	seqc.9 \
 	sf_buf.9 \
 	sglist.9 \
 	shm_map.9 \
 	signal.9 \
 	sleep.9 \
 	sleepqueue.9 \
 	smr.9 \
 	socket.9 \
 	stack.9 \
 	store.9 \
 	style.9 \
 	style.lua.9 \
 	${_superio.9} \
 	swi.9 \
 	sx.9 \
 	syscall_helper_register.9 \
 	SYSCALL_MODULE.9 \
 	sysctl.9 \
 	sysctl_add_oid.9 \
 	sysctl_ctx_init.9 \
 	SYSINIT.9 \
 	taskqueue.9 \
 	tcp_functions.9 \
 	thread_exit.9 \
 	time.9 \
 	tvtohz.9 \
 	ucred.9 \
 	uidinfo.9 \
 	uio.9 \
 	unr.9 \
 	vaccess.9 \
 	vaccess_acl_nfs4.9 \
 	vaccess_acl_posix1e.9 \
 	vflush.9 \
 	VFS.9 \
 	vfs_busy.9 \
 	VFS_CHECKEXP.9 \
 	vfsconf.9 \
 	VFS_FHTOVP.9 \
 	vfs_getnewfsid.9 \
 	vfs_getopt.9 \
 	vfs_getvfs.9 \
 	VFS_MOUNT.9 \
 	vfs_mountedfrom.9 \
 	VFS_QUOTACTL.9 \
 	VFS_ROOT.9 \
 	vfs_rootmountalloc.9 \
 	VFS_SET.9 \
 	VFS_STATFS.9 \
 	vfs_suser.9 \
 	VFS_SYNC.9 \
 	vfs_timestamp.9 \
 	vfs_unbusy.9 \
 	VFS_UNMOUNT.9 \
 	vfs_unmountall.9 \
 	VFS_VGET.9 \
 	vget.9 \
 	vgone.9 \
 	vhold.9 \
 	vinvalbuf.9 \
 	vm_fault_prefault.9 \
 	vm_map.9 \
 	vm_map_check_protection.9 \
 	vm_map_delete.9 \
 	vm_map_entry_resize_free.9 \
 	vm_map_find.9 \
 	vm_map_findspace.9 \
 	vm_map_inherit.9 \
 	vm_map_init.9 \
 	vm_map_insert.9 \
 	vm_map_lock.9 \
 	vm_map_lookup.9 \
 	vm_map_madvise.9 \
 	vm_map_max.9 \
 	vm_map_protect.9 \
 	vm_map_remove.9 \
 	vm_map_stack.9 \
 	vm_map_submap.9 \
 	vm_map_sync.9 \
 	vm_map_wire.9 \
 	vm_page_alloc.9 \
 	vm_page_bits.9 \
 	vm_page_busy.9 \
 	vm_page_deactivate.9 \
 	vm_page_dontneed.9 \
 	vm_page_aflag.9 \
 	vm_page_free.9 \
 	vm_page_grab.9 \
 	vm_page_insert.9 \
 	vm_page_lookup.9 \
 	vm_page_rename.9 \
 	vm_page_wire.9 \
 	vm_set_page_size.9 \
 	vmem.9 \
 	vn_deallocate.9 \
 	vn_fullpath.9 \
 	vn_isdisk.9 \
 	VNET.9 \
 	vnode.9 \
 	vnode_pager_setsize.9 \
 	vnode_pager_purge_range.9 \
 	VOP_ACCESS.9 \
 	VOP_ACLCHECK.9 \
 	VOP_ADVISE.9 \
 	VOP_ADVLOCK.9 \
 	VOP_ALLOCATE.9 \
 	VOP_ATTRIB.9 \
 	VOP_BMAP.9 \
 	VOP_BWRITE.9 \
 	VOP_COPY_FILE_RANGE.9 \
 	VOP_CREATE.9 \
 	VOP_DEALLOCATE.9 \
 	VOP_FSYNC.9 \
 	VOP_GETACL.9 \
 	VOP_GETEXTATTR.9 \
 	VOP_GETPAGES.9 \
 	VOP_INACTIVE.9 \
 	VOP_INOTIFY.9 \
 	VOP_IOCTL.9 \
 	VOP_LINK.9 \
 	VOP_LISTEXTATTR.9 \
 	VOP_LOCK.9 \
 	VOP_LOOKUP.9 \
 	VOP_OPENCLOSE.9 \
 	VOP_PATHCONF.9 \
 	VOP_PRINT.9 \
 	VOP_RDWR.9 \
 	VOP_READ_PGCACHE.9 \
 	VOP_READDIR.9 \
 	VOP_READLINK.9 \
 	VOP_REALLOCBLKS.9 \
 	VOP_REMOVE.9 \
 	VOP_RENAME.9 \
 	VOP_REVOKE.9 \
 	VOP_SETACL.9 \
 	VOP_SETEXTATTR.9 \
 	VOP_STRATEGY.9 \
 	VOP_VPTOCNP.9 \
 	VOP_VPTOFH.9 \
 	vref.9 \
 	vrefcnt.9 \
 	vrele.9 \
 	vslock.9 \
 	watchdog.9 \
 	zero_region.9 \
 	zone.9
 
 MLINKS=	accept_filter.9 accept_filt_add.9 \
 	accept_filter.9 accept_filt_del.9 \
 	accept_filter.9 accept_filt_generic_mod_event.9 \
 	accept_filter.9 accept_filt_get.9
 MLINKS+=alq.9 ALQ.9 \
 	alq.9 alq_close.9 \
 	alq.9 alq_flush.9 \
 	alq.9 alq_get.9 \
 	alq.9 alq_getn.9 \
 	alq.9 alq_open.9 \
 	alq.9 alq_open_flags.9 \
 	alq.9 alq_post.9 \
 	alq.9 alq_post_flags.9 \
 	alq.9 alq_write.9 \
 	alq.9 alq_writen.9
 MLINKS+=altq.9 ALTQ.9
 MLINKS+=atomic.9 atomic_add.9 \
 	atomic.9 atomic_clear.9 \
 	atomic.9 atomic_cmpset.9 \
 	atomic.9 atomic_fcmpset.9 \
 	atomic.9 atomic_fetchadd.9 \
 	atomic.9 atomic_load.9 \
 	atomic.9 atomic_readandclear.9 \
 	atomic.9 atomic_set.9 \
 	atomic.9 atomic_store.9 \
 	atomic.9 atomic_subtract.9 \
 	atomic.9 atomic_swap.9 \
 	atomic.9 atomic_testandclear.9 \
 	atomic.9 atomic_testandset.9 \
 	atomic.9 atomic_thread_fence.9
 MLINKS+=bhnd.9 BHND_MATCH_BOARD_TYPE.9 \
 	bhnd.9 BHND_MATCH_BOARD_VENDOR.9 \
 	bhnd.9 BHND_MATCH_CHIP_ID.9 \
 	bhnd.9 BHND_MATCH_CHIP_PKG.9 \
 	bhnd.9 BHND_MATCH_CHIP_REV.9 \
 	bhnd.9 BHND_MATCH_CORE_ID.9 \
 	bhnd.9 BHND_MATCH_CORE_VENDOR.9 \
 	bhnd.9 bhnd_activate_resource.9 \
 	bhnd.9 bhnd_alloc_pmu.9 \
 	bhnd.9 bhnd_alloc_resource.9 \
 	bhnd.9 bhnd_alloc_resource_any.9 \
 	bhnd.9 bhnd_alloc_resources.9 \
 	bhnd.9 bhnd_board_matches.9 \
 	bhnd.9 bhnd_bus_match_child.9 \
 	bhnd.9 bhnd_bus_read_1.9 \
 	bhnd.9 bhnd_bus_read_2.9 \
 	bhnd.9 bhnd_bus_read_4.9 \
 	bhnd.9 bhnd_bus_read_stream_1.9 \
 	bhnd.9 bhnd_bus_read_stream_2.9 \
 	bhnd.9 bhnd_bus_read_stream_4.9 \
 	bhnd.9 bhnd_bus_write_1.9 \
 	bhnd.9 bhnd_bus_write_2.9 \
 	bhnd.9 bhnd_bus_write_4.9 \
 	bhnd.9 bhnd_bus_write_stream_1.9 \
 	bhnd.9 bhnd_bus_write_stream_2.9 \
 	bhnd.9 bhnd_bus_write_stream_4.9 \
 	bhnd.9 bhnd_chip_matches.9 \
 	bhnd.9 bhnd_core_class.9 \
 	bhnd.9 bhnd_core_get_match_desc.9 \
 	bhnd.9 bhnd_core_matches.9 \
 	bhnd.9 bhnd_core_name.9 \
 	bhnd.9 bhnd_cores_equal.9 \
 	bhnd.9 bhnd_deactivate_resource.9 \
 	bhnd.9 bhnd_decode_port_rid.9 \
 	bhnd.9 bhnd_deregister_provider.9 \
 	bhnd.9 bhnd_device_lookup.9 \
 	bhnd.9 bhnd_device_matches.9 \
 	bhnd.9 bhnd_device_quirks.9 \
 	bhnd.9 bhnd_driver_get_erom_class.9 \
 	bhnd.9 bhnd_enable_clocks.9 \
 	bhnd.9 bhnd_find_core_class.9 \
 	bhnd.9 bhnd_find_core_name.9 \
 	bhnd.9 bhnd_format_chip_id.9 \
 	bhnd.9 bhnd_get_attach_type.9 \
 	bhnd.9 bhnd_get_chipid.9 \
 	bhnd.9 bhnd_get_class.9 \
 	bhnd.9 bhnd_get_clock_freq.9 \
 	bhnd.9 bhnd_get_clock_latency.9 \
 	bhnd.9 bhnd_get_core_index.9 \
 	bhnd.9 bhnd_get_core_info.9 \
 	bhnd.9 bhnd_get_core_unit.9 \
 	bhnd.9 bhnd_get_device.9 \
 	bhnd.9 bhnd_get_device_name.9 \
 	bhnd.9 bhnd_get_dma_translation.9 \
 	bhnd.9 bhnd_get_hwrev.9 \
 	bhnd.9 bhnd_get_intr_count.9 \
 	bhnd.9 bhnd_get_intr_ivec.9 \
 	bhnd.9 bhnd_get_port_count.9 \
 	bhnd.9 bhnd_get_port_rid.9 \
 	bhnd.9 bhnd_get_region_addr.9 \
 	bhnd.9 bhnd_get_region_count.9 \
 	bhnd.9 bhnd_get_vendor.9 \
 	bhnd.9 bhnd_get_vendor_name.9 \
 	bhnd.9 bhnd_hwrev_matches.9 \
 	bhnd.9 bhnd_is_hw_suspended.9 \
 	bhnd.9 bhnd_is_region_valid.9 \
 	bhnd.9 bhnd_map_intr.9 \
 	bhnd.9 bhnd_match_core.9 \
 	bhnd.9 bhnd_nvram_getvar.9 \
 	bhnd.9 bhnd_nvram_getvar_array.9 \
 	bhnd.9 bhnd_nvram_getvar_int.9 \
 	bhnd.9 bhnd_nvram_getvar_int16.9 \
 	bhnd.9 bhnd_nvram_getvar_int32.9 \
 	bhnd.9 bhnd_nvram_getvar_int8.9 \
 	bhnd.9 bhnd_nvram_getvar_str.9 \
 	bhnd.9 bhnd_nvram_getvar_uint.9 \
 	bhnd.9 bhnd_nvram_getvar_uint16.9 \
 	bhnd.9 bhnd_nvram_getvar_uint32.9 \
 	bhnd.9 bhnd_nvram_getvar_uint8.9 \
 	bhnd.9 bhnd_nvram_string_array_next.9 \
 	bhnd.9 bhnd_read_board_info.9 \
 	bhnd.9 bhnd_read_config.9 \
 	bhnd.9 bhnd_read_ioctl.9 \
 	bhnd.9 bhnd_read_iost.9 \
 	bhnd.9 bhnd_register_provider.9 \
 	bhnd.9 bhnd_release_ext_rsrc.9 \
 	bhnd.9 bhnd_release_pmu.9 \
 	bhnd.9 bhnd_release_provider.9 \
 	bhnd.9 bhnd_release_resource.9 \
 	bhnd.9 bhnd_release_resources.9 \
 	bhnd.9 bhnd_request_clock.9 \
 	bhnd.9 bhnd_request_ext_rsrc.9 \
 	bhnd.9 bhnd_reset_hw.9 \
 	bhnd.9 bhnd_retain_provider.9 \
 	bhnd.9 bhnd_set_custom_core_desc.9 \
 	bhnd.9 bhnd_set_default_core_desc.9 \
 	bhnd.9 bhnd_suspend_hw.9 \
 	bhnd.9 bhnd_unmap_intr.9 \
 	bhnd.9 bhnd_vendor_name.9 \
 	bhnd.9 bhnd_write_config.9 \
 	bhnd.9 bhnd_write_ioctl.9
 MLINKS+=bhnd_erom.9 bhnd_erom_alloc.9 \
 	bhnd_erom.9 bhnd_erom_dump.9 \
 	bhnd_erom.9 bhnd_erom_fini_static.9 \
 	bhnd_erom.9 bhnd_erom_free.9 \
 	bhnd_erom.9 bhnd_erom_free_core_table.9 \
 	bhnd_erom.9 bhnd_erom_get_core_table.9 \
 	bhnd_erom.9 bhnd_erom_init_static.9 \
 	bhnd_erom.9 bhnd_erom_io.9 \
 	bhnd_erom.9 bhnd_erom_io_fini.9 \
 	bhnd_erom.9 bhnd_erom_io_map.9 \
 	bhnd_erom.9 bhnd_erom_io_read.9 \
 	bhnd_erom.9 bhnd_erom_iobus_init.9 \
 	bhnd_erom.9 bhnd_erom_iores_new.9 \
 	bhnd_erom.9 bhnd_erom_lookup_core.9 \
 	bhnd_erom.9 bhnd_erom_lookup_core_addr.9 \
 	bhnd_erom.9 bhnd_erom_probe.9 \
 	bhnd_erom.9 bhnd_erom_probe_driver_classes.9
 MLINKS+=bitset.9 BITSET_DEFINE.9 \
 	bitset.9 BITSET_T_INITIALIZER.9 \
 	bitset.9 BITSET_FSET.9 \
 	bitset.9 BIT_CLR.9 \
 	bitset.9 BIT_COPY.9 \
 	bitset.9 BIT_ISSET.9 \
 	bitset.9 BIT_SET.9 \
 	bitset.9 BIT_ZERO.9 \
 	bitset.9 BIT_FILL.9 \
 	bitset.9 BIT_SETOF.9 \
 	bitset.9 BIT_EMPTY.9 \
 	bitset.9 BIT_ISFULLSET.9 \
 	bitset.9 BIT_FFS.9 \
 	bitset.9 BIT_FFS_AT.9 \
 	bitset.9 BIT_FLS.9 \
 	bitset.9 BIT_FOREACH_ISSET.9 \
 	bitset.9 BIT_FOREACH_ISCLR.9 \
 	bitset.9 BIT_COUNT.9 \
 	bitset.9 BIT_SUBSET.9 \
 	bitset.9 BIT_OVERLAP.9 \
 	bitset.9 BIT_CMP.9 \
 	bitset.9 BIT_OR.9 \
 	bitset.9 BIT_OR2.9 \
 	bitset.9 BIT_ORNOT.9 \
 	bitset.9 BIT_ORNOT2.9 \
 	bitset.9 BIT_AND.9 \
 	bitset.9 BIT_AND2.9 \
 	bitset.9 BIT_ANDNOT.9 \
 	bitset.9 BIT_ANDNOT2.9 \
 	bitset.9 BIT_XOR.9 \
 	bitset.9 BIT_XOR2.9 \
 	bitset.9 BIT_CLR_ATOMIC.9 \
 	bitset.9 BIT_SET_ATOMIC.9 \
 	bitset.9 BIT_SET_ATOMIC_ACQ.9 \
 	bitset.9 BIT_TEST_SET_ATOMIC.9 \
 	bitset.9 BIT_TEST_CLR_ATOMIC.9 \
 	bitset.9 BIT_AND_ATOMIC.9 \
 	bitset.9 BIT_OR_ATOMIC.9 \
 	bitset.9 BIT_COPY_STORE_REL.9
 MLINKS+=bpf.9 bpfattach.9 \
 	bpf.9 bpfattach2.9 \
 	bpf.9 bpfdetach.9 \
 	bpf.9 bpf_filter.9 \
 	bpf.9 bpf_mtap.9 \
 	bpf.9 bpf_mtap2.9 \
 	bpf.9 bpf_tap.9 \
 	bpf.9 bpf_validate.9
 MLINKS+=buf.9 bp.9
 MLINKS+=buf_ring.9 buf_ring_alloc.9 \
 	buf_ring.9 buf_ring_free.9 \
 	buf_ring.9 buf_ring_enqueue.9 \
 	buf_ring.9 buf_ring_enqueue_bytes.9 \
 	buf_ring.9 buf_ring_dequeue_mc.9 \
 	buf_ring.9 buf_ring_dequeue_sc.9 \
 	buf_ring.9 buf_ring_count.9 \
 	buf_ring.9 buf_ring_empty.9 \
 	buf_ring.9 buf_ring_full.9 \
 	buf_ring.9 buf_ring_peek.9
 MLINKS+=bus_activate_resource.9 bus_deactivate_resource.9
 MLINKS+=bus_alloc_resource.9 bus_alloc_resource_any.9
 MLINKS+=bus_attach_children.9 bus_delayed_attach_children.9 \
 	bus_attach_children.9 bus_detach_children.9 \
 	bus_attach_children.9 bus_enumerate_hinted_children.9 \
 	bus_attach_children.9 bus_identify_children.9
 MLINKS+=BUS_BIND_INTR.9 bus_bind_intr.9
 MLINKS+=BUS_CONFIG_INTR.9 bus_config_intr.9
 MLINKS+=BUS_DESCRIBE_INTR.9 bus_describe_intr.9
 MLINKS+=bus_dma.9 busdma.9 \
 	bus_dma.9 bus_dmamap_create.9 \
 	bus_dma.9 bus_dmamap_destroy.9 \
 	bus_dma.9 bus_dmamap_load.9 \
 	bus_dma.9 bus_dmamap_load_bio.9 \
 	bus_dma.9 bus_dmamap_load_ccb.9 \
 	bus_dma.9 bus_dmamap_load_crp.9 \
 	bus_dma.9 bus_dmamap_load_crp_buffer.9 \
 	bus_dma.9 bus_dmamap_load_mbuf.9 \
 	bus_dma.9 bus_dmamap_load_mbuf_sg.9 \
 	bus_dma.9 bus_dmamap_load_uio.9 \
 	bus_dma.9 bus_dmamap_sync.9 \
 	bus_dma.9 bus_dmamap_unload.9 \
 	bus_dma.9 bus_dmamem_alloc.9 \
 	bus_dma.9 bus_dmamem_free.9 \
 	bus_dma.9 bus_dma_tag_create.9 \
 	bus_dma.9 bus_dma_tag_destroy.9
 MLINKS+=bus_generic_print_child.9 bus_print_child_domain.9 \
 	bus_generic_print_child.9 bus_print_child_footer.9 \
 	bus_generic_print_child.9 bus_print_child_header.9
 MLINKS+=bus_generic_read_ivar.9 bus_generic_write_ivar.9
 MLINKS+=BUS_GET_CPUS.9 bus_get_cpus.9
 MLINKS+=bus_map_resource.9 bus_unmap_resource.9 \
 	bus_map_resource.9 resource_init_map_request.9
 MLINKS+=BUS_READ_IVAR.9 BUS_WRITE_IVAR.9
 MLINKS+=BUS_SETUP_INTR.9 bus_setup_intr.9 \
 	BUS_SETUP_INTR.9 BUS_TEARDOWN_INTR.9 \
 	BUS_SETUP_INTR.9 bus_teardown_intr.9
 MLINKS+=bus_space.9 bus_space_alloc.9 \
 	bus_space.9 bus_space_barrier.9 \
 	bus_space.9 bus_space_copy_region_1.9 \
 	bus_space.9 bus_space_copy_region_2.9 \
 	bus_space.9 bus_space_copy_region_4.9 \
 	bus_space.9 bus_space_copy_region_8.9 \
 	bus_space.9 bus_space_copy_region_stream_1.9 \
 	bus_space.9 bus_space_copy_region_stream_2.9 \
 	bus_space.9 bus_space_copy_region_stream_4.9 \
 	bus_space.9 bus_space_copy_region_stream_8.9 \
 	bus_space.9 bus_space_free.9 \
 	bus_space.9 bus_space_map.9 \
 	bus_space.9 bus_space_peek_1.9 \
 	bus_space.9 bus_space_peek_2.9 \
 	bus_space.9 bus_space_peek_4.9 \
 	bus_space.9 bus_space_peek_8.9 \
 	bus_space.9 bus_space_poke_1.9 \
 	bus_space.9 bus_space_poke_2.9 \
 	bus_space.9 bus_space_poke_4.9 \
 	bus_space.9 bus_space_poke_8.9 \
 	bus_space.9 bus_space_read_1.9 \
 	bus_space.9 bus_space_read_2.9 \
 	bus_space.9 bus_space_read_4.9 \
 	bus_space.9 bus_space_read_8.9 \
 	bus_space.9 bus_space_read_multi_1.9 \
 	bus_space.9 bus_space_read_multi_2.9 \
 	bus_space.9 bus_space_read_multi_4.9 \
 	bus_space.9 bus_space_read_multi_8.9 \
 	bus_space.9 bus_space_read_multi_stream_1.9 \
 	bus_space.9 bus_space_read_multi_stream_2.9 \
 	bus_space.9 bus_space_read_multi_stream_4.9 \
 	bus_space.9 bus_space_read_multi_stream_8.9 \
 	bus_space.9 bus_space_read_region_1.9 \
 	bus_space.9 bus_space_read_region_2.9 \
 	bus_space.9 bus_space_read_region_4.9 \
 	bus_space.9 bus_space_read_region_8.9 \
 	bus_space.9 bus_space_read_region_stream_1.9 \
 	bus_space.9 bus_space_read_region_stream_2.9 \
 	bus_space.9 bus_space_read_region_stream_4.9 \
 	bus_space.9 bus_space_read_region_stream_8.9 \
 	bus_space.9 bus_space_read_stream_1.9 \
 	bus_space.9 bus_space_read_stream_2.9 \
 	bus_space.9 bus_space_read_stream_4.9 \
 	bus_space.9 bus_space_read_stream_8.9 \
 	bus_space.9 bus_space_set_multi_1.9 \
 	bus_space.9 bus_space_set_multi_2.9 \
 	bus_space.9 bus_space_set_multi_4.9 \
 	bus_space.9 bus_space_set_multi_8.9 \
 	bus_space.9 bus_space_set_multi_stream_1.9 \
 	bus_space.9 bus_space_set_multi_stream_2.9 \
 	bus_space.9 bus_space_set_multi_stream_4.9 \
 	bus_space.9 bus_space_set_multi_stream_8.9 \
 	bus_space.9 bus_space_set_region_1.9 \
 	bus_space.9 bus_space_set_region_2.9 \
 	bus_space.9 bus_space_set_region_4.9 \
 	bus_space.9 bus_space_set_region_8.9 \
 	bus_space.9 bus_space_set_region_stream_1.9 \
 	bus_space.9 bus_space_set_region_stream_2.9 \
 	bus_space.9 bus_space_set_region_stream_4.9 \
 	bus_space.9 bus_space_set_region_stream_8.9 \
 	bus_space.9 bus_space_subregion.9 \
 	bus_space.9 bus_space_unmap.9 \
 	bus_space.9 bus_space_write_1.9 \
 	bus_space.9 bus_space_write_2.9 \
 	bus_space.9 bus_space_write_4.9 \
 	bus_space.9 bus_space_write_8.9 \
 	bus_space.9 bus_space_write_multi_1.9 \
 	bus_space.9 bus_space_write_multi_2.9 \
 	bus_space.9 bus_space_write_multi_4.9 \
 	bus_space.9 bus_space_write_multi_8.9 \
 	bus_space.9 bus_space_write_multi_stream_1.9 \
 	bus_space.9 bus_space_write_multi_stream_2.9 \
 	bus_space.9 bus_space_write_multi_stream_4.9 \
 	bus_space.9 bus_space_write_multi_stream_8.9 \
 	bus_space.9 bus_space_write_region_1.9 \
 	bus_space.9 bus_space_write_region_2.9 \
 	bus_space.9 bus_space_write_region_4.9 \
 	bus_space.9 bus_space_write_region_8.9 \
 	bus_space.9 bus_space_write_region_stream_1.9 \
 	bus_space.9 bus_space_write_region_stream_2.9 \
 	bus_space.9 bus_space_write_region_stream_4.9 \
 	bus_space.9 bus_space_write_region_stream_8.9 \
 	bus_space.9 bus_space_write_stream_1.9 \
 	bus_space.9 bus_space_write_stream_2.9 \
 	bus_space.9 bus_space_write_stream_4.9 \
 	bus_space.9 bus_space_write_stream_8.9
 MLINKS+=byteorder.9 be16dec.9 \
 	byteorder.9 be16enc.9 \
 	byteorder.9 be16toh.9 \
 	byteorder.9 be32dec.9 \
 	byteorder.9 be32enc.9 \
 	byteorder.9 be32toh.9 \
 	byteorder.9 be64dec.9 \
 	byteorder.9 be64enc.9 \
 	byteorder.9 be64toh.9 \
 	byteorder.9 bswap16.9 \
 	byteorder.9 bswap32.9 \
 	byteorder.9 bswap64.9 \
 	byteorder.9 htobe16.9 \
 	byteorder.9 htobe32.9 \
 	byteorder.9 htobe64.9 \
 	byteorder.9 htole16.9 \
 	byteorder.9 htole32.9 \
 	byteorder.9 htole64.9 \
 	byteorder.9 le16dec.9 \
 	byteorder.9 le16enc.9 \
 	byteorder.9 le16toh.9 \
 	byteorder.9 le32dec.9 \
 	byteorder.9 le32enc.9 \
 	byteorder.9 le32toh.9 \
 	byteorder.9 le64dec.9 \
 	byteorder.9 le64enc.9 \
 	byteorder.9 le64toh.9
 MLINKS+=callout.9 callout_active.9 \
 	callout.9 callout_deactivate.9 \
 	callout.9 callout_drain.9 \
 	callout.9 callout_init.9 \
 	callout.9 callout_init_mtx.9 \
 	callout.9 callout_init_rm.9 \
 	callout.9 callout_init_rw.9 \
 	callout.9 callout_pending.9 \
 	callout.9 callout_reset.9 \
 	callout.9 callout_reset_curcpu.9 \
 	callout.9 callout_reset_on.9 \
 	callout.9 callout_reset_sbt.9 \
 	callout.9 callout_reset_sbt_curcpu.9 \
 	callout.9 callout_reset_sbt_on.9 \
 	callout.9 callout_schedule.9 \
 	callout.9 callout_schedule_curcpu.9 \
 	callout.9 callout_schedule_on.9 \
 	callout.9 callout_schedule_sbt.9 \
 	callout.9 callout_schedule_sbt_curcpu.9 \
 	callout.9 callout_schedule_sbt_on.9 \
 	callout.9 callout_stop.9 \
 	callout.9 callout_when.9
 MLINKS+=cnv.9 cnvlist.9 \
 	cnv.9 cnvlist_free_binary.9 \
 	cnv.9 cnvlist_free_bool.9 \
 	cnv.9 cnvlist_free_bool_array.9 \
 	cnv.9 cnvlist_free_descriptor.9 \
 	cnv.9 cnvlist_free_descriptor_array.9 \
 	cnv.9 cnvlist_free_null.9 \
 	cnv.9 cnvlist_free_number.9 \
 	cnv.9 cnvlist_free_number_array.9 \
 	cnv.9 cnvlist_free_nvlist.9 \
 	cnv.9 cnvlist_free_nvlist_array.9 \
 	cnv.9 cnvlist_free_string.9 \
 	cnv.9 cnvlist_free_string_array.9 \
 	cnv.9 cnvlist_get_binary.9 \
 	cnv.9 cnvlist_get_bool.9 \
 	cnv.9 cnvlist_get_bool_array.9 \
 	cnv.9 cnvlist_get_descriptor.9 \
 	cnv.9 cnvlist_get_descriptor_array.9 \
 	cnv.9 cnvlist_get_number.9 \
 	cnv.9 cnvlist_get_number_array.9 \
 	cnv.9 cnvlist_get_nvlist.9 \
 	cnv.9 cnvlist_get_nvlist_array.9 \
 	cnv.9 cnvlist_get_string.9 \
 	cnv.9 cnvlist_get_string_array.9 \
 	cnv.9 cnvlist_take_binary.9 \
 	cnv.9 cnvlist_take_bool.9 \
 	cnv.9 cnvlist_take_bool_array.9 \
 	cnv.9 cnvlist_take_descriptor.9 \
 	cnv.9 cnvlist_take_descriptor_array.9 \
 	cnv.9 cnvlist_take_number.9 \
 	cnv.9 cnvlist_take_number_array.9 \
 	cnv.9 cnvlist_take_nvlist.9 \
 	cnv.9 cnvlist_take_nvlist_array.9 \
 	cnv.9 cnvlist_take_string.9 \
 	cnv.9 cnvlist_take_string_array.9
 MLINKS+=condvar.9 cv_broadcast.9 \
 	condvar.9 cv_broadcastpri.9 \
 	condvar.9 cv_destroy.9 \
 	condvar.9 cv_init.9 \
 	condvar.9 cv_signal.9 \
 	condvar.9 cv_timedwait.9 \
 	condvar.9 cv_timedwait_sig.9 \
 	condvar.9 cv_timedwait_sig_sbt.9 \
 	condvar.9 cv_wait.9 \
 	condvar.9 cv_wait_sig.9 \
 	condvar.9 cv_wait_unlock.9 \
 	condvar.9 cv_wmesg.9
 MLINKS+=config_intrhook.9 config_intrhook_disestablish.9 \
 	config_intrhook.9 config_intrhook_drain.9 \
 	config_intrhook.9 config_intrhook_establish.9 \
 	config_intrhook.9 config_intrhook_oneshot.9
 MLINKS+=contigmalloc.9 contigmalloc_domainset.9
 MLINKS+=casuword.9 casueword.9 \
 	casuword.9 casueword32.9 \
 	casuword.9 casuword32.9
 MLINKS+=copy.9 copyin.9 \
 	copy.9 copyin_nofault.9 \
 	copy.9 copyinstr.9 \
 	copy.9 copyout.9 \
 	copy.9 copyout_nofault.9 \
 	copy.9 copystr.9
 MLINKS+=coredumper_register.9 coredumper_unregister.9
 MLINKS+=counter.9 counter_u64_alloc.9 \
 	counter.9 counter_u64_free.9 \
 	counter.9 counter_u64_add.9 \
 	counter.9 counter_enter.9 \
 	counter.9 counter_exit.9 \
 	counter.9 counter_ratecheck.9 \
 	counter.9 counter_u64_add_protected.9 \
 	counter.9 counter_u64_fetch.9 \
 	counter.9 counter_u64_zero.9 \
 	counter.9 SYSCTL_COUNTER_U64.9 \
 	counter.9 SYSCTL_ADD_COUNTER_U64.9 \
 	counter.9 SYSCTL_COUNTER_U64_ARRAY.9 \
 	counter.9 SYSCTL_ADD_COUNTER_U64_ARRAY.9
 MLINKS+=cpu_machdep.9 cpu_copy_thread.9 \
 	cpu_machdep.9 cpu_exec_vmspace_reuse.9 \
 	cpu_machdep.9 cpu_exit.9 \
 	cpu_machdep.9 cpu_fetch_syscall_args.9 \
 	cpu_machdep.9 cpu_fork.9 \
 	cpu_machdep.9 cpu_fork_kthread_handler.9 \
 	cpu_machdep.9 cpu_idle.9 \
 	cpu_machdep.9 cpu_idle_wakeup.9 \
 	cpu_machdep.9 cpu_procctl.9 \
 	cpu_machdep.9 cpu_ptrace.9 \
 	cpu_machdep.9 cpu_set_syscall_retval.9 \
 	cpu_machdep.9 cpu_set_upcall.9 \
 	cpu_machdep.9 cpu_set_user_tls.9 \
 	cpu_machdep.9 cpu_switch.9 \
 	cpu_machdep.9 cpu_sync_core.9 \
 	cpu_machdep.9 cpu_thread_alloc.9 \
 	cpu_machdep.9 cpu_thread_clean.9 \
 	cpu_machdep.9 cpu_thread_exit.9 \
 	cpu_machdep.9 cpu_thread_free.9 \
 	cpu_machdep.9 cpu_throw.9 \
 	cpu_machdep.9 cpu_update_pcb.9
 MLINKS+=cpuset.9 CPUSET_T_INITIALIZER.9 \
 	cpuset.9 CPUSET_FSET.9 \
 	cpuset.9 CPU_CLR.9 \
 	cpuset.9 CPU_COPY.9 \
 	cpuset.9 CPU_ISSET.9 \
 	cpuset.9 CPU_SET.9 \
 	cpuset.9 CPU_ZERO.9 \
 	cpuset.9 CPU_FILL.9 \
 	cpuset.9 CPU_SETOF.9 \
 	cpuset.9 CPU_EMPTY.9 \
 	cpuset.9 CPU_ISFULLSET.9 \
 	cpuset.9 CPU_FFS.9 \
 	cpuset.9 CPU_COUNT.9 \
 	cpuset.9 CPU_SUBSET.9 \
 	cpuset.9 CPU_OVERLAP.9 \
 	cpuset.9 CPU_CMP.9 \
 	cpuset.9 CPU_OR.9 \
 	cpuset.9 CPU_ORNOT.9 \
 	cpuset.9 CPU_AND.9 \
 	cpuset.9 CPU_ANDNOT.9 \
 	cpuset.9 CPU_CLR_ATOMIC.9 \
 	cpuset.9 CPU_SET_ATOMIC.9 \
 	cpuset.9 CPU_SET_ATOMIC_ACQ.9 \
 	cpuset.9 CPU_AND_ATOMIC.9 \
 	cpuset.9 CPU_OR_ATOMIC.9 \
 	cpuset.9 CPU_COPY_STORE_REL.9
 MLINKS+=critical_enter.9 critical.9 \
 	critical_enter.9 critical_exit.9 \
 	critical_enter.9 CRITICAL_ASSERT.9
 MLINKS+=crypto_buffer.9 crypto_apply.9 \
 	crypto_buffer.9 crypto_apply_buf.9 \
 	crypto_buffer.9 crypto_buffer_contiguous_segment.9 \
 	crypto_buffer.9 crypto_buffer_len.9 \
 	crypto_buffer.9 crypto_contiguous_segment.9 \
 	crypto_buffer.9 crypto_cursor_init.9 \
 	crypto_buffer.9 crypto_cursor_advance.9 \
 	crypto_buffer.9 crypto_cursor_copyback.9 \
 	crypto_buffer.9 crypto_cursor_copydata.9 \
 	crypto_buffer.9 crypto_cursor_copydata_noadv.9 \
 	crypto_buffer.9 crypto_cursor_segment.9 \
 	crypto_buffer.9 CRYPTO_HAS_OUTPUT_BUFFER.9
 MLINKS+=crypto_driver.9 crypto_copyback.9 \
 	crypto_driver.9 crypto_copydata.9 \
 	crypto_driver.9 crypto_done.9 \
 	crypto_driver.9 crypto_get_driverid.9 \
 	crypto_driver.9 crypto_get_driver_session.9 \
 	crypto_driver.9 crypto_read_iv.9 \
 	crypto_driver.9 crypto_unblock.9 \
 	crypto_driver.9 crypto_unregister_all.9 \
 	crypto_driver.9 CRYPTODEV_FREESESSION.9 \
 	crypto_driver.9 CRYPTODEV_NEWSESSION.9 \
 	crypto_driver.9 CRYPTODEV_PROBESESSION.9 \
 	crypto_driver.9 CRYPTODEV_PROCESS.9 \
 	crypto_driver.9 hmac_init_ipad.9 \
 	crypto_driver.9 hmac_init_opad.9
 MLINKS+=crypto_request.9 crypto_clonereq.9 \
 	crypto_request.9 crypto_destroyreq.9 \
 	crypto_request.9 crypto_dispatch.9 \
 	crypto_request.9 crypto_freereq.9 \
 	crypto_request.9 crypto_getreq.9 \
 	crypto_request.9 crypto_initreq.9 \
 	crypto_request.9 crypto_use_buf.9 \
 	crypto_request.9 crypto_use_mbuf.9 \
 	crypto_request.9 crypto_use_output_buf.9 \
 	crypto_request.9 crypto_use_output_mbuf.9 \
 	crypto_request.9 crypto_use_output_uio.9 \
 	crypto_request.9 crypto_use_uio.9
 MLINKS+=crypto_session.9 crypto_auth_hash.9 \
 	crypto_session.9 crypto_cipher.9 \
 	crypto_session.9 crypto_get_params.9 \
 	crypto_session.9 crypto_newsession.9 \
 	crypto_session.9 crypto_freesession.9
 MLINKS+=DB_COMMAND.9 DB_ALIAS.9 \
 	DB_COMMAND.9 DB_ALIAS_FLAGS.9 \
 	DB_COMMAND.9 DB_COMMAND_FLAGS.9 \
 	DB_COMMAND.9 DB_SHOW_ALIAS.9 \
 	DB_COMMAND.9 DB_SHOW_ALIAS_FLAGS.9 \
 	DB_COMMAND.9 DB_SHOW_ALL_ALIAS.9 \
 	DB_COMMAND.9 DB_SHOW_ALL_COMMAND.9 \
 	DB_COMMAND.9 DB_SHOW_COMMAND.9 \
 	DB_COMMAND.9 DB_SHOW_COMMAND_FLAGS.9 \
 	DB_COMMAND.9 DB_DECLARE_TABLE.9 \
 	DB_COMMAND.9 DB_DEFINE_TABLE.9 \
 	DB_COMMAND.9 DB_TABLE_COMMAND.9 \
 	DB_COMMAND.9 DB_TABLE_COMMAND_FLAGS.9 \
 	DB_COMMAND.9 DB_TABLE_ALIAS.9 \
 	DB_COMMAND.9 DB_TABLE_ALIAS_FLAGS.9
 MLINKS+=DECLARE_MODULE.9 DECLARE_MODULE_TIED.9
 MLINKS+=dev_clone.9 drain_dev_clone_events.9
 MLINKS+=dev_refthread.9 devvn_refthread.9 \
 	dev_refthread.9 dev_relthread.9
 MLINKS+=devfs_set_cdevpriv.9 devfs_clear_cdevpriv.9 \
 	devfs_set_cdevpriv.9 devfs_get_cdevpriv.9 \
 	devfs_set_cdevpriv.9 devfs_foreach_cdevpriv.9
 MLINKS+=device_add_child.9 device_add_child_ordered.9
 MLINKS+=device_enable.9 device_disable.9 \
 	device_enable.9 device_is_enabled.9
 MLINKS+=device_get_ivars.9 device_set_ivars.9
 MLINKS+=device_get_name.9 device_get_nameunit.9
 MLINKS+=device_get_state.9 device_busy.9 \
 	device_get_state.9 device_is_alive.9 \
 	device_get_state.9 device_is_attached.9 \
 	device_get_state.9 device_unbusy.9
 MLINKS+=device_get_sysctl.9 device_get_sysctl_ctx.9 \
 	device_get_sysctl.9 device_get_sysctl_tree.9
 MLINKS+=device_quiet.9 device_is_quiet.9 \
 	device_quiet.9 device_verbose.9
 MLINKS+=device_set_desc.9 device_get_desc.9 \
 	device_set_desc.9 device_set_descf.9 \
 	device_set_desc.9 device_set_desc_copy.9
 MLINKS+=device_set_flags.9 device_get_flags.9
 MLINKS+=device_probe_and_attach.9 device_attach.9 \
 	device_probe_and_attach.9 device_detach.9 \
 	device_probe_and_attach.9 device_probe.9
 MLINKS+=devstat.9 devicestat.9 \
 	devstat.9 devstat_new_entry.9 \
 	devstat.9 devstat_end_transaction.9 \
 	devstat.9 devstat_end_transaction_bio.9 \
 	devstat.9 devstat_remove_entry.9 \
 	devstat.9 devstat_start_transaction.9 \
 	devstat.9 devstat_start_transaction_bio.9
 MLINKS+=disk.9 disk_add_alias.9 \
 	disk.9 disk_alloc.9 \
 	disk.9 disk_create.9 \
 	disk.9 disk_destroy.9 \
 	disk.9 disk_gone.9 \
 	disk.9 disk_resize.9
 MLINKS+=dnv.9 dnvlist.9 \
 	dnv.9 dnvlist_get_binary.9 \
 	dnv.9 dnvlist_get_bool.9 \
 	dnv.9 dnvlist_get_descriptor.9 \
 	dnv.9 dnvlist_get_number.9 \
 	dnv.9 dnvlist_get_nvlist.9 \
 	dnv.9 dnvlist_get_string.9 \
 	dnv.9 dnvlist_take_binary.9 \
 	dnv.9 dnvlist_take_bool.9 \
 	dnv.9 dnvlist_take_descriptor.9 \
 	dnv.9 dnvlist_take_number.9 \
 	dnv.9 dnvlist_take_nvlist.9 \
 	dnv.9 dnvlist_take_string.9
 MLINKS+=domain.9 protosw.9 \
 	domain.9 domain_add.9 \
 	domain.9 protosw_register.9 \
 	domain.9 protosw_unregister.9
 MLINKS+=dpcpu.9 DPCPU_DECLARE.9 \
 	dpcpu.9 DPCPU_DEFINE.9 \
 	dpcpu.9 DPCPU_DEFINE_STATIC.9 \
 	dpcpu.9 DPCPU_GET.9 \
 	dpcpu.9 DPCPU_ID_PTR.9 \
 	dpcpu.9 DPCPU_ID_GET.9 \
 	dpcpu.9 DPCPU_ID_SET.9 \
 	dpcpu.9 DPCPU_PTR.9 \
 	dpcpu.9 DPCPU_SET.9
 MLINKS+=drbr.9 drbr_free.9 \
 	drbr.9 drbr_enqueue.9 \
 	drbr.9 drbr_dequeue.9 \
 	drbr.9 drbr_dequeue_cond.9 \
 	drbr.9 drbr_flush.9 \
 	drbr.9 drbr_empty.9 \
 	drbr.9 drbr_inuse.9 \
 	drbr.9 drbr_stats_update.9
 MLINKS+=DRIVER_MODULE.9 DRIVER_MODULE_ORDERED.9 \
 	DRIVER_MODULE.9 EARLY_DRIVER_MODULE.9 \
 	DRIVER_MODULE.9 EARLY_DRIVER_MODULE_ORDERED.9
 MLINKS+=epoch.9 epoch_context.9 \
 	epoch.9 epoch_alloc.9 \
 	epoch.9 epoch_free.9 \
 	epoch.9 epoch_enter.9 \
 	epoch.9 epoch_exit.9 \
 	epoch.9 epoch_wait.9 \
 	epoch.9 epoch_call.9 \
 	epoch.9 epoch_drain_callbacks.9 \
 	epoch.9 in_epoch.9
 MLINKS+=EVENTHANDLER.9 EVENTHANDLER_DECLARE.9 \
 	EVENTHANDLER.9 EVENTHANDLER_DEFINE.9 \
 	EVENTHANDLER.9 EVENTHANDLER_DEREGISTER.9 \
 	EVENTHANDLER.9 eventhandler_deregister.9 \
 	EVENTHANDLER.9 eventhandler_find_list.9 \
 	EVENTHANDLER.9 EVENTHANDLER_INVOKE.9 \
 	EVENTHANDLER.9 eventhandler_prune_list.9 \
 	EVENTHANDLER.9 EVENTHANDLER_REGISTER.9 \
 	EVENTHANDLER.9 eventhandler_register.9
 MLINKS+=eventtimers.9 et_register.9 \
 	eventtimers.9 et_deregister.9 \
 	eventtimers.9 et_ban.9 \
 	eventtimers.9 et_find.9 \
 	eventtimers.9 et_free.9 \
 	eventtimers.9 et_init.9 \
 	eventtimers.9 ET_LOCK.9 \
 	eventtimers.9 ET_UNLOCK.9 \
 	eventtimers.9 et_start.9 \
 	eventtimers.9 et_stop.9
 MLINKS+=fail.9 KFAIL_POINT_CODE.9 \
 	fail.9 KFAIL_POINT_ERROR.9 \
 	fail.9 KFAIL_POINT_GOTO.9 \
 	fail.9 KFAIL_POINT_RETURN.9 \
 	fail.9 KFAIL_POINT_RETURN_VOID.9
 MLINKS+=fdt_pinctrl.9 fdt_pinctrl_configure.9 \
 	fdt_pinctrl.9 fdt_pinctrl_configure_by_name.9 \
 	fdt_pinctrl.9 fdt_pinctrl_configure_tree.9 \
 	fdt_pinctrl.9 fdt_pinctrl_register.9
 MLINKS+=fetch.9 fubyte.9 \
 	fetch.9 fuword.9 \
 	fetch.9 fuword16.9 \
 	fetch.9 fuword32.9 \
 	fetch.9 fuword64.9 \
 	fetch.9 fueword.9 \
 	fetch.9 fueword32.9 \
 	fetch.9 fueword64.9
 MLINKS+=firmware.9 firmware_get.9 \
 	firmware.9 firmware_put.9 \
 	firmware.9 firmware_register.9 \
 	firmware.9 firmware_unregister.9
 MLINKS+=fpu_kern.9 fpu_kern_alloc_ctx.9 \
 	fpu_kern.9 fpu_kern_free_ctx.9 \
 	fpu_kern.9 fpu_kern_enter.9 \
 	fpu_kern.9 fpu_kern_leave.9 \
 	fpu_kern.9 fpu_kern_thread.9 \
 	fpu_kern.9 is_fpu_kern_thread.9
 MLINKS+=g_attach.9 g_detach.9
 MLINKS+=g_bio.9 bio.9 \
 	g_bio.9 g_alloc_bio.9 \
 	g_bio.9 g_clone_bio.9 \
 	g_bio.9 g_destroy_bio.9 \
 	g_bio.9 g_duplicate_bio.9 \
 	g_bio.9 g_format_bio.9 \
 	g_bio.9 g_new_bio.9 \
 	g_bio.9 g_print_bio.9 \
 	g_bio.9 g_reset_bio.9
 MLINKS+=g_consumer.9 g_destroy_consumer.9 \
 	g_consumer.9 g_new_consumer.9
 MLINKS+=g_data.9 g_read_data.9 \
 	g_data.9 g_write_data.9
 MLINKS+=getenv.9 freeenv.9 \
 	getenv.9 getenv_int.9 \
 	getenv.9 getenv_long.9 \
 	getenv.9 getenv_string.9 \
 	getenv.9 getenv_quad.9 \
 	getenv.9 getenv_uint.9 \
 	getenv.9 getenv_ulong.9 \
 	getenv.9 getenv_bool.9 \
 	getenv.9 getenv_is_true.9 \
 	getenv.9 getenv_is_false.9 \
 	getenv.9 kern_getenv.9 \
 	getenv.9 kern_setenv.9 \
 	getenv.9 kern_unsetenv.9 \
 	getenv.9 setenv.9 \
 	getenv.9 testenv.9 \
 	getenv.9 unsetenv.9
 MLINKS+=g_event.9 g_cancel_event.9 \
 	g_event.9 g_post_event.9 \
 	g_event.9 g_waitfor_event.9
 MLINKS+=g_geom.9 g_destroy_geom.9 \
 	g_geom.9 g_new_geomf.9
 MLINKS+=g_provider.9 g_destroy_provider.9 \
 	g_provider.9 g_error_provider.9 \
 	g_provider.9 g_new_providerf.9
 MLINKS+=gone_in.9 gone_in_dev.9
 MLINKS+=groupmember.9 realgroupmember.9
 MLINKS+=hash.9 hash32.9 \
 	hash.9 hash32_buf.9 \
 	hash.9 hash32_str.9 \
 	hash.9 hash32_stre.9 \
 	hash.9 hash32_strn.9 \
 	hash.9 hash32_strne.9 \
 	hash.9 jenkins_hash.9 \
 	hash.9 jenkins_hash32.9
 MLINKS+=hashinit.9 hashdestroy.9 \
 	hashinit.9 hashinit_flags.9 \
 	hashinit.9 phashinit.9
 MLINKS+=hhook.9 hhook_head_register.9 \
 	hhook.9 hhook_head_deregister.9 \
 	hhook.9 hhook_head_deregister_lookup.9 \
 	hhook.9 hhook_run_hooks.9 \
 	hhook.9 HHOOKS_RUN_IF.9 \
 	hhook.9 HHOOKS_RUN_LOOKUP_IF.9
 MLINKS+=hz.9 tick.9
 MLINKS+=ieee80211.9 ieee80211_ifattach.9 \
 	ieee80211.9 ieee80211_ifdetach.9
 MLINKS+=ieee80211_amrr.9 ieee80211_amrr_choose.9 \
 	ieee80211_amrr.9 ieee80211_amrr_cleanup.9 \
 	ieee80211_amrr.9 ieee80211_amrr_init.9 \
 	ieee80211_amrr.9 ieee80211_amrr_node_init.9 \
 	ieee80211_amrr.9 ieee80211_amrr_setinterval.9 \
 	ieee80211_amrr.9 ieee80211_amrr_tx_complete.9 \
 	ieee80211_amrr.9 ieee80211_amrr_tx_update.9
 MLINKS+=ieee80211_beacon.9 ieee80211_beacon_alloc.9 \
 	ieee80211_beacon.9 ieee80211_beacon_notify.9 \
 	ieee80211_beacon.9 ieee80211_beacon_update.9
 MLINKS+=ieee80211_bmiss.9 ieee80211_beacon_miss.9
 MLINKS+=ieee80211_crypto.9 ieee80211_crypto_available.9 \
 	ieee80211_crypto.9 ieee80211_crypto_decap.9 \
 	ieee80211_crypto.9 ieee80211_crypto_delglobalkeys.9 \
 	ieee80211_crypto.9 ieee80211_crypto_delkey.9 \
 	ieee80211_crypto.9 ieee80211_crypto_demic.9 \
 	ieee80211_crypto.9 ieee80211_crypto_encap.9 \
 	ieee80211_crypto.9 ieee80211_crypto_enmic.9 \
 	ieee80211_crypto.9 ieee80211_crypto_newkey.9 \
 	ieee80211_crypto.9 ieee80211_crypto_register.9 \
 	ieee80211_crypto.9 ieee80211_crypto_reload_keys.9 \
 	ieee80211_crypto.9 ieee80211_crypto_setkey.9 \
 	ieee80211_crypto.9 ieee80211_crypto_unregister.9 \
 	ieee80211_crypto.9 ieee80211_key_update_begin.9 \
 	ieee80211_crypto.9 ieee80211_key_update_end.9 \
 	ieee80211_crypto.9 ieee80211_notify_michael_failure.9 \
 	ieee80211_crypto.9 ieee80211_notify_replay_failure.9
 MLINKS+=ieee80211_input.9 ieee80211_input_all.9
 MLINKS+=ieee80211_node.9 ieee80211_dump_node.9 \
 	ieee80211_node.9 ieee80211_dump_nodes.9 \
 	ieee80211_node.9 ieee80211_find_rxnode.9 \
 	ieee80211_node.9 ieee80211_find_rxnode_withkey.9 \
 	ieee80211_node.9 ieee80211_free_node.9 \
 	ieee80211_node.9 ieee80211_iterate_nodes.9 \
 	ieee80211_node.9 ieee80211_ref_node.9
 MLINKS+=ieee80211_output.9 ieee80211_process_callback.9 \
 	ieee80211_output.9 M_SEQNO_GET.9 \
 	ieee80211_output.9 M_WME_GETAC.9
 MLINKS+=ieee80211_proto.9 ieee80211_new_state.9 \
 	ieee80211_proto.9 ieee80211_resume_all.9 \
 	ieee80211_proto.9 ieee80211_start_all.9 \
 	ieee80211_proto.9 ieee80211_stop_all.9 \
 	ieee80211_proto.9 ieee80211_suspend_all.9 \
 	ieee80211_proto.9 ieee80211_waitfor_parent.9
 MLINKS+=ieee80211_radiotap.9 ieee80211_radiotap_active.9 \
 	ieee80211_radiotap.9 ieee80211_radiotap_active_vap.9 \
 	ieee80211_radiotap.9 ieee80211_radiotap_attach.9 \
 	ieee80211_radiotap.9 ieee80211_radiotap_tx.9 \
 	ieee80211_radiotap.9 radiotap.9
 MLINKS+=ieee80211_regdomain.9 ieee80211_alloc_countryie.9 \
 	ieee80211_regdomain.9 ieee80211_init_channels.9 \
 	ieee80211_regdomain.9 ieee80211_sort_channels.9
 MLINKS+=ieee80211_scan.9 ieee80211_add_scan.9 \
 	ieee80211_scan.9 ieee80211_bg_scan.9 \
 	ieee80211_scan.9 ieee80211_cancel_scan.9 \
 	ieee80211_scan.9 ieee80211_cancel_scan_any.9 \
 	ieee80211_scan.9 ieee80211_check_scan.9 \
 	ieee80211_scan.9 ieee80211_check_scan_current.9 \
 	ieee80211_scan.9 ieee80211_flush.9 \
 	ieee80211_scan.9 ieee80211_probe_curchan.9 \
 	ieee80211_scan.9 ieee80211_scan_assoc_fail.9 \
 	ieee80211_scan.9 ieee80211_scan_done.9 \
 	ieee80211_scan.9 ieee80211_scan_dump_channels.9 \
 	ieee80211_scan.9 ieee80211_scan_flush.9 \
 	ieee80211_scan.9 ieee80211_scan_iterate.9 \
 	ieee80211_scan.9 ieee80211_scan_next.9 \
 	ieee80211_scan.9 ieee80211_scan_timeout.9 \
 	ieee80211_scan.9 ieee80211_scanner_get.9 \
 	ieee80211_scan.9 ieee80211_scanner_register.9 \
 	ieee80211_scan.9 ieee80211_scanner_unregister.9 \
 	ieee80211_scan.9 ieee80211_scanner_unregister_all.9 \
 	ieee80211_scan.9 ieee80211_start_scan.9
 MLINKS+=ieee80211_vap.9 ieee80211_vap_attach.9 \
 	ieee80211_vap.9 ieee80211_vap_detach.9 \
 	ieee80211_vap.9 ieee80211_vap_setup.9
 MLINKS+=iflibdd.9 ifdi_attach_pre.9 \
 	iflibdd.9 ifdi_attach_post.9 \
 	iflibdd.9 ifdi_detach.9 \
 	iflibdd.9 ifdi_get_counter.9 \
 	iflibdd.9 ifdi_i2c_req.9 \
 	iflibdd.9 ifdi_init.9 \
 	iflibdd.9 ifdi_intr_enable.9 \
 	iflibdd.9 ifdi_intr_disable.9 \
 	iflibdd.9 ifdi_led_func.9 \
 	iflibdd.9 ifdi_link_intr_enable.9 \
 	iflibdd.9 ifdi_media_set.9 \
 	iflibdd.9 ifdi_media_status.9 \
 	iflibdd.9 ifdi_media_change.9 \
 	iflibdd.9 ifdi_mtu_set.9 \
 	iflibdd.9 ifdi_multi_set.9 \
 	iflibdd.9 ifdi_promisc_set.9 \
 	iflibdd.9 ifdi_queues_alloc.9 \
 	iflibdd.9 ifdi_queues_free.9 \
 	iflibdd.9 ifdi_queue_intr_enable.9 \
 	iflibdd.9 ifdi_resume.9 \
 	iflibdd.9 ifdi_rxq_setup.9 \
 	iflibdd.9 ifdi_stop.9 \
 	iflibdd.9 ifdi_suspend.9 \
 	iflibdd.9 ifdi_sysctl_int_delay.9 \
 	iflibdd.9 ifdi_timer.9 \
 	iflibdd.9 ifdi_txq_setup.9 \
 	iflibdd.9 ifdi_update_admin_status.9 \
 	iflibdd.9 ifdi_vf_add.9 \
 	iflibdd.9 ifdi_vflr_handle.9 \
 	iflibdd.9 ifdi_vlan_register.9 \
 	iflibdd.9 ifdi_vlan_unregister.9 \
 	iflibdd.9 ifdi_watchdog_reset.9 \
 	iflibdd.9 iov_init.9 \
 	iflibdd.9 iov_uinit.9
 MLINKS+=iflibdi.9 iflib_add_int_delay_sysctl.9 \
 	iflibdi.9 iflib_device_attach.9 \
 	iflibdi.9 iflib_device_deregister.9 \
 	iflibdi.9 iflib_device_detach.9 \
 	iflibdi.9 iflib_device_suspend.9 \
 	iflibdi.9 iflib_device_register.9 \
 	iflibdi.9 iflib_device_resume.9 \
 	iflibdi.9 iflib_led_create.9 \
 	iflibdi.9 iflib_irq_alloc.9 \
 	iflibdi.9 iflib_irq_alloc_generic.9 \
 	iflibdi.9 iflib_link_intr_deferred.9 \
 	iflibdi.9 iflib_link_state_change.9 \
 	iflibdi.9 iflib_rx_intr_deferred.9 \
 	iflibdi.9 iflib_tx_intr_deferred.9
 MLINKS+=iflibtxrx.9 isc_rxd_available.9 \
 	iflibtxrx.9 isc_rxd_refill.9 \
 	iflibtxrx.9 isc_rxd_flush.9 \
 	iflibtxrx.9 isc_rxd_pkt_get.9 \
 	iflibtxrx.9 isc_txd_credits_update.9 \
 	iflibtxrx.9 isc_txd_encap.9 \
 	iflibtxrx.9 isc_txd_flush.9
 MLINKS+=ifnet.9 if_addmulti.9 \
 	ifnet.9 if_alloc.9 \
 	ifnet.9 if_alloc_dev.9 \
 	ifnet.9 if_alloc_domain.9 \
 	ifnet.9 if_allmulti.9 \
 	ifnet.9 if_attach.9 \
 	ifnet.9 if_data.9 \
 	ifnet.9 IF_DEQUEUE.9 \
 	ifnet.9 if_delmulti.9 \
 	ifnet.9 if_detach.9 \
 	ifnet.9 if_down.9 \
 	ifnet.9 if_findmulti.9 \
 	ifnet.9 if_free.9 \
 	ifnet.9 if_free_type.9 \
 	ifnet.9 if_up.9 \
 	ifnet.9 ifa_free.9 \
 	ifnet.9 ifa_ifwithaddr.9 \
 	ifnet.9 ifa_ifwithdstaddr.9 \
 	ifnet.9 ifa_ifwithnet.9 \
 	ifnet.9 ifa_ref.9 \
 	ifnet.9 ifaddr.9 \
 	ifnet.9 ifaof_ifpforaddr.9 \
 	ifnet.9 ifioctl.9 \
 	ifnet.9 ifpromisc.9 \
 	ifnet.9 ifqueue.9 \
 	ifnet.9 ifunit.9 \
 	ifnet.9 ifunit_ref.9
 # IfAPI
 MLINKS+=ifnet.9 ifapi.9
 
 MLINKS+=insmntque.9 insmntque1.9
 MLINKS+=intr_event.9 intr_event_add_handler.9 \
 	intr_event.9 intr_event_create.9 \
 	intr_event.9 intr_event_destroy.9 \
 	intr_event.9 intr_event_handle.9 \
 	intr_event.9 intr_event_remove_handler.9 \
 	intr_event.9 intr_priority.9
 MLINKS+=KASSERT.9 MPASS.9
 MLINKS+=kern_reboot.9 reboot.9 \
 	kern_reboot.9 shutdown_nice.9
 MLINKS+=kern_yield.9 maybe_yield.9 \
 	kern_yield.9 should_yield.9
 MLINKS+=kernacc.9 useracc.9
 MLINKS+=kernel_mount.9 free_mntarg.9 \
 	kernel_mount.9 mount_arg.9 \
 	kernel_mount.9 mount_argb.9 \
 	kernel_mount.9 mount_argf.9 \
 	kernel_mount.9 mount_argsu.9
 MLINKS+=kasan.9 KASAN.9 \
 	kasan.9 kasan_mark.9
 MLINKS+=khelp.9 khelp_add_hhook.9 \
 	khelp.9 KHELP_DECLARE_MOD.9 \
 	khelp.9 KHELP_DECLARE_MOD_UMA.9 \
 	khelp.9 khelp_destroy_osd.9 \
 	khelp.9 khelp_get_id.9 \
 	khelp.9 khelp_get_osd.9 \
 	khelp.9 khelp_init_osd.9 \
 	khelp.9 khelp_remove_hhook.9
 MLINKS+=kmsan.9 KMSAN.9 \
 	kmsan.9 kmsan_check.9 \
 	kmsan.9 kmsan_check_bio.9 \
 	kmsan.9 kmsan_check_ccb.9 \
 	kmsan.9 kmsan_check_mbuf.9 \
 	kmsan.9 kmsan_check_uio.9 \
 	kmsan.9 kmsan_mark.9 \
 	kmsan.9 kmsan_oirg.9
 MLINKS+=kobj.9 DEFINE_CLASS.9 \
 	kobj.9 kobj_class_compile.9 \
 	kobj.9 kobj_class_compile_static.9 \
 	kobj.9 kobj_class_free.9 \
 	kobj.9 kobj_create.9 \
 	kobj.9 kobj_delete.9 \
 	kobj.9 kobj_init.9 \
 	kobj.9 kobj_init_static.9
 MLINKS+=kproc.9 kproc_create.9 \
 	kproc.9 kproc_exit.9 \
 	kproc.9 kproc_kthread_add.9 \
 	kproc.9 kproc_resume.9 \
 	kproc.9 kproc_shutdown.9 \
 	kproc.9 kproc_start.9 \
 	kproc.9 kproc_suspend.9 \
 	kproc.9 kproc_suspend_check.9 \
 	kproc.9 kthread_create.9
 MLINKS+=kqueue.9 knlist_add.9 \
 	kqueue.9 knlist_clear.9 \
 	kqueue.9 knlist_delete.9 \
 	kqueue.9 knlist_destroy.9 \
 	kqueue.9 knlist_empty.9 \
 	kqueue.9 knlist_init.9 \
 	kqueue.9 knlist_init_mtx.9 \
 	kqueue.9 knlist_remove.9 \
 	kqueue.9 knote_fdclose.9 \
 	kqueue.9 KNOTE_LOCKED.9 \
 	kqueue.9 KNOTE_UNLOCKED.9 \
 	kqueue.9 kqfd_register.9 \
 	kqueue.9 kqueue_add_filteropts.9 \
 	kqueue.9 kqueue_del_filteropts.9
 MLINKS+=kthread.9 kthread_add.9 \
 	kthread.9 kthread_exit.9 \
 	kthread.9 kthread_resume.9 \
 	kthread.9 kthread_shutdown.9 \
 	kthread.9 kthread_start.9 \
 	kthread.9 kthread_suspend.9 \
 	kthread.9 kthread_suspend_check.9
 MLINKS+=ktr.9 CTR0.9 \
 	ktr.9 CTR1.9 \
 	ktr.9 CTR2.9 \
 	ktr.9 CTR3.9 \
 	ktr.9 CTR4.9 \
 	ktr.9 CTR5.9 \
 	ktr.9 CTR6.9
 MLINKS+=lock.9 lockdestroy.9 \
 	lock.9 lockinit.9 \
 	lock.9 lockmgr.9 \
 	lock.9 lockmgr_args.9 \
 	lock.9 lockmgr_args_rw.9 \
 	lock.9 lockmgr_assert.9 \
 	lock.9 lockmgr_disown.9 \
 	lock.9 lockmgr_disowned.9 \
 	lock.9 lockmgr_lock_flags.9 \
 	lock.9 lockmgr_printinfo.9 \
 	lock.9 lockmgr_recursed.9 \
 	lock.9 lockmgr_rw.9 \
 	lock.9 lockmgr_slock.9 \
 	lock.9 lockmgr_unlock.9 \
 	lock.9 lockmgr_xlock.9 \
 	lock.9 lockstatus.9
 MLINKS+=LOCK_PROFILING.9 MUTEX_PROFILING.9
 MLINKS+=make_dev.9 destroy_dev.9 \
 	make_dev.9 destroy_dev_drain.9 \
 	make_dev.9 destroy_dev_sched.9 \
 	make_dev.9 destroy_dev_sched_cb.9 \
 	make_dev.9 dev_depends.9 \
 	make_dev.9 make_dev_alias.9 \
 	make_dev.9 make_dev_alias_p.9 \
 	make_dev.9 make_dev_cred.9 \
 	make_dev.9 make_dev_credf.9 \
 	make_dev.9 make_dev_p.9 \
 	make_dev.9 make_dev_s.9
 MLINKS+=malloc.9 free.9 \
 	malloc.9 malloc_aligned.9 \
 	malloc.9 malloc_domainset.9 \
 	malloc.9 malloc_domainset_aligned.9 \
 	malloc.9 malloc_domainset_exec.9 \
 	malloc.9 malloc_exec.9 \
 	malloc.9 malloc_usable_size.9 \
 	malloc.9 mallocarray.9 \
 	malloc.9 mallocarray_domainset.9 \
 	malloc.9 MALLOC_DECLARE.9 \
 	malloc.9 MALLOC_DEFINE.9 \
 	malloc.9 realloc.9 \
 	malloc.9 reallocf.9 \
 	malloc.9 zfree.9
 MLINKS+=mbchain.9 mb_detach.9 \
 	mbchain.9 mb_done.9 \
 	mbchain.9 mb_fixhdr.9 \
 	mbchain.9 mb_init.9 \
 	mbchain.9 mb_initm.9 \
 	mbchain.9 mb_put_int64be.9 \
 	mbchain.9 mb_put_int64le.9 \
 	mbchain.9 mb_put_mbuf.9 \
 	mbchain.9 mb_put_mem.9 \
 	mbchain.9 mb_put_uint16be.9 \
 	mbchain.9 mb_put_uint16le.9 \
 	mbchain.9 mb_put_uint32be.9 \
 	mbchain.9 mb_put_uint32le.9 \
 	mbchain.9 mb_put_uint8.9 \
 	mbchain.9 mb_put_uio.9 \
 	mbchain.9 mb_reserve.9
 MLINKS+=\
 	mbuf.9 m_adj.9 \
 	mbuf.9 m_align.9 \
 	mbuf.9 M_ALIGN.9 \
 	mbuf.9 m_append.9 \
 	mbuf.9 m_apply.9 \
 	mbuf.9 m_cat.9 \
 	mbuf.9 m_catpkt.9 \
 	mbuf.9 MCHTYPE.9 \
 	mbuf.9 MCLGET.9 \
 	mbuf.9 m_collapse.9 \
 	mbuf.9 m_copyback.9 \
 	mbuf.9 m_copydata.9 \
 	mbuf.9 m_copym.9 \
 	mbuf.9 m_copypacket.9 \
 	mbuf.9 m_copyup.9 \
 	mbuf.9 m_defrag.9 \
 	mbuf.9 m_devget.9 \
 	mbuf.9 m_dup.9 \
 	mbuf.9 m_dup_pkthdr.9 \
 	mbuf.9 MEXTADD.9 \
 	mbuf.9 m_fixhdr.9 \
 	mbuf.9 m_free.9 \
 	mbuf.9 m_freem.9 \
 	mbuf.9 MGET.9 \
 	mbuf.9 m_get.9 \
 	mbuf.9 m_get2.9 \
 	mbuf.9 m_get3.9 \
 	mbuf.9 m_getjcl.9 \
 	mbuf.9 m_getcl.9 \
 	mbuf.9 MGETHDR.9 \
 	mbuf.9 m_gethdr.9 \
 	mbuf.9 m_getm.9 \
 	mbuf.9 m_getptr.9 \
 	mbuf.9 MH_ALIGN.9 \
 	mbuf.9 M_LEADINGSPACE.9 \
 	mbuf.9 m_length.9 \
 	mbuf.9 M_MOVE_PKTHDR.9 \
 	mbuf.9 m_move_pkthdr.9 \
 	mbuf.9 M_PREPEND.9 \
 	mbuf.9 m_prepend.9 \
 	mbuf.9 m_pulldown.9 \
 	mbuf.9 m_pullup.9 \
 	mbuf.9 m_split.9 \
 	mbuf.9 mtod.9 \
 	mbuf.9 mtodo.9 \
 	mbuf.9 M_TRAILINGSPACE.9 \
 	mbuf.9 m_unshare.9 \
 	mbuf.9 M_WRITABLE.9
 MLINKS+=\
 	mbuf_tags.9 m_tag_alloc.9 \
 	mbuf_tags.9 m_tag_copy.9 \
 	mbuf_tags.9 m_tag_copy_chain.9 \
 	mbuf_tags.9 m_tag_delete.9 \
 	mbuf_tags.9 m_tag_delete_chain.9 \
 	mbuf_tags.9 m_tag_delete_nonpersistent.9 \
 	mbuf_tags.9 m_tag_find.9 \
 	mbuf_tags.9 m_tag_first.9 \
 	mbuf_tags.9 m_tag_free.9 \
 	mbuf_tags.9 m_tag_get.9 \
 	mbuf_tags.9 m_tag_init.9 \
 	mbuf_tags.9 m_tag_locate.9 \
 	mbuf_tags.9 m_tag_next.9 \
 	mbuf_tags.9 m_tag_prepend.9 \
 	mbuf_tags.9 m_tag_unlink.9
 MLINKS+=mdchain.9 md_append_record.9 \
 	mdchain.9 md_done.9 \
 	mdchain.9 md_get_int64.9 \
 	mdchain.9 md_get_int64be.9 \
 	mdchain.9 md_get_int64le.9 \
 	mdchain.9 md_get_mbuf.9 \
 	mdchain.9 md_get_mem.9 \
 	mdchain.9 md_get_uint16.9 \
 	mdchain.9 md_get_uint16be.9 \
 	mdchain.9 md_get_uint16le.9 \
 	mdchain.9 md_get_uint32.9 \
 	mdchain.9 md_get_uint32be.9 \
 	mdchain.9 md_get_uint32le.9 \
 	mdchain.9 md_get_uint8.9 \
 	mdchain.9 md_get_uio.9 \
 	mdchain.9 md_initm.9 \
 	mdchain.9 md_next_record.9
 MLINKS+=microtime.9 bintime.9 \
 	microtime.9 getbintime.9 \
 	microtime.9 getmicrotime.9 \
 	microtime.9 getnanotime.9 \
 	microtime.9 nanotime.9
 MLINKS+=microuptime.9 binuptime.9 \
 	microuptime.9 getbinuptime.9 \
 	microuptime.9 getmicrouptime.9 \
 	microuptime.9 getnanouptime.9 \
 	microuptime.9 getsbinuptime.9 \
 	microuptime.9 nanouptime.9 \
 	microuptime.9 sbinuptime.9
 MLINKS+=mod_cc.9 CCV.9 \
 	mod_cc.9 DECLARE_CC_MODULE.9
 MLINKS+=mtx_pool.9 mtx_pool_alloc.9 \
 	mtx_pool.9 mtx_pool_create.9 \
 	mtx_pool.9 mtx_pool_destroy.9 \
 	mtx_pool.9 mtx_pool_find.9 \
 	mtx_pool.9 mtx_pool_lock.9 \
 	mtx_pool.9 mtx_pool_lock_spin.9 \
 	mtx_pool.9 mtx_pool_unlock.9 \
 	mtx_pool.9 mtx_pool_unlock_spin.9
 MLINKS+=mutex.9 mtx_assert.9 \
 	mutex.9 mtx_destroy.9 \
 	mutex.9 mtx_init.9 \
 	mutex.9 mtx_initialized.9 \
 	mutex.9 mtx_lock.9 \
 	mutex.9 mtx_lock_flags.9 \
 	mutex.9 mtx_lock_spin.9 \
 	mutex.9 mtx_lock_spin_flags.9 \
 	mutex.9 mtx_owned.9 \
 	mutex.9 mtx_recursed.9 \
 	mutex.9 mtx_sleep.9 \
 	mutex.9 MTX_SYSINIT.9 \
 	mutex.9 mtx_trylock.9 \
 	mutex.9 mtx_trylock_flags.9 \
 	mutex.9 mtx_trylock_spin.9 \
 	mutex.9 mtx_trylock_spin_flags.9 \
 	mutex.9 mtx_unlock.9 \
 	mutex.9 mtx_unlock_flags.9 \
 	mutex.9 mtx_unlock_spin.9 \
 	mutex.9 mtx_unlock_spin_flags.9
 MLINKS+=namei.9 NDFREE_PNBUF.9 \
 	namei.9 NDINIT_AT.9 \
 	namei.9 NDINIT.9
 MLINKS+=netisr.9 netisr_clearqdrops.9 \
 	netisr.9 netisr_default_flow2cpu.9 \
 	netisr.9 netisr_dispatch.9 \
 	netisr.9 netisr_dispatch_src.9 \
 	netisr.9 netisr_get_cpucount.9 \
 	netisr.9 netisr_get_cpuid.9 \
 	netisr.9 netisr_getqdrops.9 \
 	netisr.9 netisr_getqlimit.9 \
 	netisr.9 netisr_queue.9 \
 	netisr.9 netisr_queue_src.9 \
 	netisr.9 netisr_register.9 \
 	netisr.9 netisr_setqlimit.9 \
 	netisr.9 netisr_unregister.9
 MLINKS+=nv.9 libnv.9 \
 	nv.9 nvlist.9 \
 	nv.9 nvlist_add_binary.9 \
 	nv.9 nvlist_add_bool.9 \
 	nv.9 nvlist_add_bool_array.9 \
 	nv.9 nvlist_add_descriptor.9 \
 	nv.9 nvlist_add_descriptor_array.9 \
 	nv.9 nvlist_add_null.9 \
 	nv.9 nvlist_add_number.9 \
 	nv.9 nvlist_add_number_array.9 \
 	nv.9 nvlist_add_nvlist.9 \
 	nv.9 nvlist_add_nvlist_array.9 \
 	nv.9 nvlist_add_string.9 \
 	nv.9 nvlist_add_stringf.9 \
 	nv.9 nvlist_add_stringv.9 \
 	nv.9 nvlist_add_string_array.9 \
 	nv.9 nvlist_append_bool_array.9 \
 	nv.9 nvlist_append_descriptor_array.9 \
 	nv.9 nvlist_append_nvlist_array.9 \
 	nv.9 nvlist_append_number_array.9 \
 	nv.9 nvlist_append_string_array.9 \
 	nv.9 nvlist_clone.9 \
 	nv.9 nvlist_create.9 \
 	nv.9 nvlist_destroy.9 \
 	nv.9 nvlist_dump.9 \
 	nv.9 nvlist_empty.9 \
 	nv.9 nvlist_error.9 \
 	nv.9 nvlist_exists.9 \
 	nv.9 nvlist_exists_binary.9 \
 	nv.9 nvlist_exists_bool.9 \
 	nv.9 nvlist_exists_bool_array.9 \
 	nv.9 nvlist_exists_descriptor.9 \
 	nv.9 nvlist_exists_descriptor_array.9 \
 	nv.9 nvlist_exists_null.9 \
 	nv.9 nvlist_exists_number.9 \
 	nv.9 nvlist_exists_number_array.9 \
 	nv.9 nvlist_exists_nvlist.9 \
 	nv.9 nvlist_exists_nvlist_array.9 \
 	nv.9 nvlist_exists_string.9 \
 	nv.9 nvlist_exists_type.9 \
 	nv.9 nvlist_fdump.9 \
 	nv.9 nvlist_flags.9 \
 	nv.9 nvlist_free.9 \
 	nv.9 nvlist_free_binary.9 \
 	nv.9 nvlist_free_bool.9 \
 	nv.9 nvlist_free_bool_array.9 \
 	nv.9 nvlist_free_descriptor.9 \
 	nv.9 nvlist_free_descriptor_array.9 \
 	nv.9 nvlist_free_null.9 \
 	nv.9 nvlist_free_number.9 \
 	nv.9 nvlist_free_number_array.9 \
 	nv.9 nvlist_free_nvlist.9 \
 	nv.9 nvlist_free_nvlist_array.9 \
 	nv.9 nvlist_free_string.9 \
 	nv.9 nvlist_free_string_array.9 \
 	nv.9 nvlist_free_type.9 \
 	nv.9 nvlist_get_binary.9 \
 	nv.9 nvlist_get_bool.9 \
 	nv.9 nvlist_get_bool_array.9 \
 	nv.9 nvlist_get_descriptor.9 \
 	nv.9 nvlist_get_descriptor_array.9 \
 	nv.9 nvlist_get_number.9 \
 	nv.9 nvlist_get_number_array.9 \
 	nv.9 nvlist_get_nvlist.9 \
 	nv.9 nvlist_get_nvlist_array.9 \
 	nv.9 nvlist_get_parent.9 \
 	nv.9 nvlist_get_string.9 \
 	nv.9 nvlist_get_string_array.9 \
 	nv.9 nvlist_move_binary.9 \
 	nv.9 nvlist_move_descriptor.9 \
 	nv.9 nvlist_move_descriptor_array.9 \
 	nv.9 nvlist_move_nvlist.9 \
 	nv.9 nvlist_move_nvlist_array.9 \
 	nv.9 nvlist_move_string.9 \
 	nv.9 nvlist_move_string_array.9 \
 	nv.9 nvlist_next.9 \
 	nv.9 nvlist_pack.9 \
 	nv.9 nvlist_recv.9 \
 	nv.9 nvlist_send.9 \
 	nv.9 nvlist_set_error.9 \
 	nv.9 nvlist_size.9 \
 	nv.9 nvlist_take_binary.9 \
 	nv.9 nvlist_take_bool.9 \
 	nv.9 nvlist_take_bool_array.9 \
 	nv.9 nvlist_take_descriptor.9 \
 	nv.9 nvlist_take_descriptor_array.9 \
 	nv.9 nvlist_take_number.9 \
 	nv.9 nvlist_take_number_array.9 \
 	nv.9 nvlist_take_nvlist.9 \
 	nv.9 nvlist_take_nvlist_array.9 \
 	nv.9 nvlist_take_string.9 \
 	nv.9 nvlist_take_string_array.9 \
 	nv.9 nvlist_unpack.9 \
 	nv.9 nvlist_xfer.9
 MLINKS+=OF_child.9 OF_parent.9 \
 	OF_child.9 OF_peer.9
 MLINKS+=OF_device_from_xref.9 OF_device_register_xref.9 \
 	OF_device_from_xref.9 OF_xref_from_device.9
 MLINKS+=OF_getprop.9 OF_getencprop.9 \
 	OF_getprop.9 OF_getencprop_alloc.9 \
 	OF_getprop.9 OF_getencprop_alloc_multi.9 \
 	OF_getprop.9 OF_getprop_alloc.9 \
 	OF_getprop.9 OF_getprop_alloc_multi.9 \
 	OF_getprop.9 OF_getproplen.9 \
 	OF_getprop.9 OF_hasprop.9 \
 	OF_getprop.9 OF_nextprop.9 \
 	OF_getprop.9 OF_prop_free.9 \
 	OF_getprop.9 OF_searchencprop.9 \
 	OF_getprop.9 OF_searchprop.9 \
 	OF_getprop.9 OF_setprop.9
 MLINKS+=OF_node_from_xref.9 OF_xref_from_node.9
 MLINKS+=ofw_bus_is_compatible.9 ofw_bus_is_compatible_strict.9 \
 	ofw_bus_is_compatible.9 ofw_bus_node_is_compatible.9 \
 	ofw_bus_is_compatible.9 ofw_bus_search_compatible.9
 MLINKS+= ofw_bus_status_okay.9 ofw_bus_get_status.9 \
 	ofw_bus_status_okay.9 ofw_bus_node_status_okay.9
 MLINKS+=ofw_graph.9 ofw_graph_get_device_by_port_ep.9 \
 	ofw_graph.9 ofw_graph_get_endpoint_by_idx.9 \
 	ofw_graph.9 ofw_graph_get_port_by_idx.9 \
 	ofw_graph.9 ofw_graph_get_remove_endpoint.9 \
 	ofw_graph.9 ofw_graph_get_remove_parent.9 \
 	ofw_graph.9 ofw_graph_port_get_num_endpoints.9
 MLINKS+=osd.9 osd_call.9 \
 	osd.9 osd_del.9 \
 	osd.9 osd_deregister.9 \
 	osd.9 osd_exit.9 \
 	osd.9 osd_free_reserved.9 \
 	osd.9 osd_get.9 \
 	osd.9 osd_register.9 \
 	osd.9 osd_reserve.9 \
 	osd.9 osd_set.9 \
 	osd.9 osd_set_reserved.9
 MLINKS+=panic.9 vpanic.9 \
 	panic.9 KERNEL_PANICKED.9
 MLINKS+=pci.9 pci_alloc_msi.9 \
 	pci.9 pci_alloc_msix.9 \
 	pci.9 pci_clear_pme.9 \
 	pci.9 pci_disable_busmaster.9 \
 	pci.9 pci_disable_io.9 \
 	pci.9 pci_enable_busmaster.9 \
 	pci.9 pci_enable_io.9 \
 	pci.9 pci_enable_pme.9 \
 	pci.9 pci_find_bsf.9 \
 	pci.9 pci_find_cap.9 \
 	pci.9 pci_find_dbsf.9 \
 	pci.9 pci_find_device.9 \
 	pci.9 pci_find_extcap.9 \
 	pci.9 pci_find_htcap.9 \
 	pci.9 pci_find_pcie_root_port.9 \
 	pci.9 pci_get_id.9 \
 	pci.9 pci_get_max_read_req.9 \
 	pci.9 pci_get_powerstate.9 \
 	pci.9 pci_get_vpd_ident.9 \
 	pci.9 pci_get_vpd_readonly.9 \
 	pci.9 pci_has_pm.9 \
 	pci.9 pci_iov_attach.9 \
 	pci.9 pci_iov_attach_name.9 \
 	pci.9 pci_iov_detach.9 \
 	pci.9 pci_msi_count.9 \
 	pci.9 pci_msix_count.9 \
 	pci.9 pci_msix_pba_bar.9 \
 	pci.9 pci_msix_table_bar.9 \
 	pci.9 pci_pending_msix.9 \
 	pci.9 pci_read_config.9 \
 	pci.9 pci_release_msi.9 \
 	pci.9 pci_remap_msix.9 \
 	pci.9 pci_restore_state.9 \
 	pci.9 pci_save_state.9 \
 	pci.9 pci_set_powerstate.9 \
 	pci.9 pci_set_max_read_req.9 \
 	pci.9 pci_write_config.9 \
 	pci.9 pcie_adjust_config.9 \
 	pci.9 pcie_flr.9 \
 	pci.9 pcie_max_completion_timeout.9 \
 	pci.9 pcie_read_config.9 \
 	pci.9 pcie_wait_for_pending_transactions.9 \
 	pci.9 pcie_write_config.9
 MLINKS+=pci_iov_schema.9 pci_iov_schema_alloc_node.9 \
 	pci_iov_schema.9 pci_iov_schema_add_bool.9 \
 	pci_iov_schema.9 pci_iov_schema_add_string.9 \
 	pci_iov_schema.9 pci_iov_schema_add_uint8.9 \
 	pci_iov_schema.9 pci_iov_schema_add_uint16.9 \
 	pci_iov_schema.9 pci_iov_schema_add_uint32.9 \
 	pci_iov_schema.9 pci_iov_schema_add_uint64.9 \
 	pci_iov_schema.9 pci_iov_schema_add_unicast_mac.9
 MLINKS+=pfil.9 pfil_add_hook.9 \
 	pfil.9 pfil_head_register.9 \
 	pfil.9 pfil_head_unregister.9 \
 	pfil.9 pfil_remove_hook.9 \
 	pfil.9 pfil_run_hooks.9 \
 	pfil.9 pfil_link.9
 MLINKS+=pfind.9 zpfind.9
 MLINKS+=PHOLD.9 PRELE.9 \
 	PHOLD.9 _PHOLD.9 \
 	PHOLD.9 _PRELE.9 \
 	PHOLD.9 PROC_ASSERT_HELD.9 \
 	PHOLD.9 PROC_ASSERT_NOT_HELD.9
 MLINKS+=pmap_copy.9 pmap_copy_page.9
 MLINKS+=pmap_extract.9 pmap_extract_and_hold.9
 MLINKS+=pmap_kextract.9 vtophys.9
 MLINKS+=pmap_is_modified.9 pmap_ts_referenced.9
 MLINKS+=pmap_pinit.9 pmap_pinit0.9
 MLINKS+=pmap_qenter.9 pmap_qremove.9
 MLINKS+=pmap_quick_enter_page.9 pmap_quick_remove_page.9
 MLINKS+=pmap_remove.9 pmap_remove_all.9 \
 	pmap_remove.9 pmap_remove_pages.9
 MLINKS+=pmap_resident_count.9 pmap_wired_count.9
 MLINKS+=pmap_zero_page.9 pmap_zero_area.9
 MLINKS+=printf.9 log.9 \
 	printf.9 tprintf.9 \
 	printf.9 uprintf.9 \
 	printf.9 vlog.9 \
 	printf.9 vprintf.9
 MLINKS+=priv.9 priv_check.9 \
 	priv.9 priv_check_cred.9
 MLINKS+=prng.9 prng32.9 \
 	prng.9 prng32_bounded.9 \
 	prng.9 prng64.9 \
 	prng.9 prng64_bounded.9
 MLINKS+=proc_rwmem.9 proc_readmem.9 \
 	proc_rwmem.9 proc_writemem.9
 MLINKS+=psignal.9 pgsignal.9 \
 	psignal.9 tdsignal.9
 MLINKS+=pwmbus.9 pwm.9
 MLINKS+=random.9 arc4rand.9 \
 	random.9 arc4random.9 \
 	random.9 is_random_seeded.9 \
 	random.9 read_random.9 \
 	random.9 read_random_uio.9 \
 	random.9 srandom.9
 MLINKS+=random_harvest.9 random_harvest_direct.9 \
 	random_harvest.9 random_harvest_fast.9 \
 	random_harvest.9 random_harvest_queue.9
 MLINKS+=ratecheck.9 ppsratecheck.9
 MLINKS+=refcount.9 refcount_acquire.9 \
 	refcount.9 refcount_acquire_checked.9 \
 	refcount.9 refcount_acquire_if_not_zero.9 \
 	refcount.9 refcount_init.9 \
 	refcount.9 refcount_load.9 \
 	refcount.9 refcount_release.9 \
 	refcount.9 refcount_release_if_last.9 \
 	refcount.9 refcount_release_if_not_last.9
 MLINKS+=resource_int_value.9 resource_long_value.9 \
 	resource_int_value.9 resource_string_value.9
 MLINKS+=rman.9 rman_activate_resource.9 \
 	rman.9 rman_adjust_resource.9 \
 	rman.9 rman_deactivate_resource.9 \
 	rman.9 rman_fini.9 \
 	rman.9 rman_first_free_region.9 \
 	rman.9 rman_get_bushandle.9 \
 	rman.9 rman_get_bustag.9 \
 	rman.9 rman_get_device.9 \
 	rman.9 rman_get_end.9 \
 	rman.9 rman_get_flags.9 \
 	rman.9 rman_get_mapping.9 \
 	rman.9 rman_get_rid.9 \
 	rman.9 rman_get_size.9 \
 	rman.9 rman_get_start.9 \
 	rman.9 rman_get_type.9 \
 	rman.9 rman_get_virtual.9 \
 	rman.9 rman_init.9 \
 	rman.9 rman_init_from_resource.9 \
 	rman.9 rman_is_region_manager.9 \
 	rman.9 rman_last_free_region.9 \
 	rman.9 rman_make_alignment_flags.9 \
 	rman.9 rman_manage_region.9 \
 	rman.9 rman_release_resource.9 \
 	rman.9 rman_reserve_resource.9 \
 	rman.9 rman_reserve_resource_bound.9 \
 	rman.9 rman_set_bushandle.9 \
 	rman.9 rman_set_bustag.9 \
 	rman.9 rman_set_mapping.9 \
 	rman.9 rman_set_rid.9 \
 	rman.9 rman_set_type.9 \
 	rman.9 rman_set_virtual.9
 MLINKS+=rmlock.9 rm_assert.9 \
 	rmlock.9 rm_destroy.9 \
 	rmlock.9 rm_init.9 \
 	rmlock.9 rm_init_flags.9 \
 	rmlock.9 rm_rlock.9 \
 	rmlock.9 rm_runlock.9 \
 	rmlock.9 rm_sleep.9 \
 	rmlock.9 RM_SYSINIT.9 \
 	rmlock.9 RM_SYSINIT_FLAGS.9 \
 	rmlock.9 rm_try_rlock.9 \
 	rmlock.9 rm_wlock.9 \
 	rmlock.9 rm_wowned.9 \
 	rmlock.9 rm_wunlock.9
 MLINKS+=runqueue.9 choosethread.9 \
 	runqueue.9 procrunnable.9 \
 	runqueue.9 remrunqueue.9 \
 	runqueue.9 setrunqueue.9
 MLINKS+=rwlock.9 rw_assert.9 \
 	rwlock.9 rw_destroy.9 \
 	rwlock.9 rw_downgrade.9 \
 	rwlock.9 rw_init.9 \
 	rwlock.9 rw_init_flags.9 \
 	rwlock.9 rw_initialized.9 \
 	rwlock.9 rw_rlock.9 \
 	rwlock.9 rw_runlock.9 \
 	rwlock.9 rw_unlock.9 \
 	rwlock.9 rw_sleep.9 \
 	rwlock.9 RW_SYSINIT.9 \
 	rwlock.9 RW_SYSINIT_FLAGS.9 \
 	rwlock.9 rw_try_rlock.9 \
 	rwlock.9 rw_try_upgrade.9 \
 	rwlock.9 rw_try_wlock.9 \
 	rwlock.9 rw_wlock.9 \
 	rwlock.9 rw_wowned.9 \
 	rwlock.9 rw_wunlock.9
 MLINKS+=sbuf.9 sbuf_bcat.9 \
 	sbuf.9 sbuf_bcopyin.9 \
 	sbuf.9 sbuf_bcpy.9 \
 	sbuf.9 sbuf_cat.9 \
 	sbuf.9 sbuf_clear.9 \
 	sbuf.9 sbuf_clear_flags.9 \
 	sbuf.9 sbuf_copyin.9 \
 	sbuf.9 sbuf_cpy.9 \
 	sbuf.9 sbuf_data.9 \
 	sbuf.9 sbuf_delete.9 \
 	sbuf.9 sbuf_done.9 \
 	sbuf.9 sbuf_error.9 \
 	sbuf.9 sbuf_finish.9 \
 	sbuf.9 sbuf_get_flags.9 \
 	sbuf.9 sbuf_hexdump.9 \
 	sbuf.9 sbuf_len.9 \
 	sbuf.9 sbuf_new.9 \
 	sbuf.9 sbuf_new_auto.9 \
 	sbuf.9 sbuf_new_for_sysctl.9 \
 	sbuf.9 sbuf_nl_terminate.9 \
 	sbuf.9 sbuf_printf.9 \
 	sbuf.9 sbuf_printf_drain.9 \
 	sbuf.9 sbuf_putbuf.9 \
 	sbuf.9 sbuf_putc.9 \
 	sbuf.9 sbuf_set_drain.9 \
 	sbuf.9 sbuf_set_flags.9 \
 	sbuf.9 sbuf_setpos.9 \
 	sbuf.9 sbuf_start_section.9 \
 	sbuf.9 sbuf_end_section.9  \
 	sbuf.9 sbuf_trim.9 \
 	sbuf.9 sbuf_vprintf.9
 MLINKS+=scheduler.9 curpriority_cmp.9 \
 	scheduler.9 maybe_resched.9 \
 	scheduler.9 propagate_priority.9 \
 	scheduler.9 resetpriority.9 \
 	scheduler.9 roundrobin.9 \
 	scheduler.9 roundrobin_interval.9 \
 	scheduler.9 schedclock.9 \
 	scheduler.9 schedcpu.9 \
 	scheduler.9 sched_setup.9 \
 	scheduler.9 setrunnable.9 \
 	scheduler.9 updatepri.9
 MLINKS+=SDT.9 SDT_PROVIDER_DECLARE.9 \
 	SDT.9 SDT_PROVIDER_DEFINE.9 \
 	SDT.9 SDT_PROBE_DECLARE.9 \
 	SDT.9 SDT_PROBE_DEFINE.9 \
 	SDT.9 SDT_PROBE.9
 MLINKS+=securelevel_gt.9 securelevel_ge.9
 MLINKS+=selrecord.9 seldrain.9 \
 	selrecord.9 selwakeup.9
 MLINKS+=sema.9 sema_destroy.9 \
 	sema.9 sema_init.9 \
 	sema.9 sema_post.9 \
 	sema.9 sema_timedwait.9 \
 	sema.9 sema_trywait.9 \
 	sema.9 sema_value.9 \
 	sema.9 sema_wait.9
 MLINKS+=seqc.9 seqc_consistent.9 \
 	seqc.9 seqc_read.9 \
 	seqc.9 seqc_write_begin.9 \
 	seqc.9 seqc_write_end.9
 MLINKS+=sf_buf.9 sf_buf_alloc.9 \
 	sf_buf.9 sf_buf_free.9 \
 	sf_buf.9 sf_buf_kva.9 \
 	sf_buf.9 sf_buf_page.9
 MLINKS+=sglist.9 sglist_alloc.9 \
 	sglist.9 sglist_append.9 \
 	sglist.9 sglist_append_bio.9 \
 	sglist.9 sglist_append_mbuf.9 \
 	sglist.9 sglist_append_mbuf_epg.9 \
 	sglist.9 sglist_append_phys.9 \
 	sglist.9 sglist_append_sglist.9 \
 	sglist.9 sglist_append_single_mbuf.9 \
 	sglist.9 sglist_append_uio.9 \
 	sglist.9 sglist_append_user.9 \
 	sglist.9 sglist_append_vmpages.9 \
 	sglist.9 sglist_build.9 \
 	sglist.9 sglist_clone.9 \
 	sglist.9 sglist_consume_uio.9 \
 	sglist.9 sglist_count.9 \
 	sglist.9 sglist_count_mbuf_epg.9 \
 	sglist.9 sglist_count_vmpages.9 \
 	sglist.9 sglist_free.9 \
 	sglist.9 sglist_hold.9 \
 	sglist.9 sglist_init.9 \
 	sglist.9 sglist_join.9 \
 	sglist.9 sglist_length.9 \
 	sglist.9 sglist_reset.9 \
 	sglist.9 sglist_slice.9 \
 	sglist.9 sglist_split.9
 MLINKS+=shm_map.9 shm_unmap.9
 MLINKS+=signal.9 cursig.9 \
 	signal.9 execsigs.9 \
 	signal.9 issignal.9 \
 	signal.9 killproc.9 \
 	signal.9 pgsigio.9 \
 	signal.9 postsig.9 \
 	signal.9 SETSETNEQ.9 \
 	signal.9 SETSETOR.9 \
 	signal.9 SIGADDSET.9 \
 	signal.9 SIG_CONTSIGMASK.9 \
 	signal.9 SIGDELSET.9 \
 	signal.9 SIGEMPTYSET.9 \
 	signal.9 sigexit.9 \
 	signal.9 SIGFILLSET.9 \
 	signal.9 siginit.9 \
 	signal.9 SIGISEMPTY.9 \
 	signal.9 SIGISMEMBER.9 \
 	signal.9 SIGNOTEMPTY.9 \
 	signal.9 signotify.9 \
 	signal.9 SIGPENDING.9 \
 	signal.9 SIGSETAND.9 \
 	signal.9 SIGSETCANTMASK.9 \
 	signal.9 SIGSETEQ.9 \
 	signal.9 SIGSETNAND.9 \
 	signal.9 SIG_STOPSIGMASK.9 \
 	signal.9 trapsignal.9
 MLINKS+=sleep.9 msleep.9 \
 	sleep.9 msleep_sbt.9 \
 	sleep.9 msleep_spin.9 \
 	sleep.9 msleep_spin_sbt.9 \
 	sleep.9 pause.9 \
 	sleep.9 pause_sig.9 \
 	sleep.9 pause_sbt.9 \
 	sleep.9 tsleep.9 \
 	sleep.9 tsleep_sbt.9 \
 	sleep.9 wakeup.9 \
 	sleep.9 wakeup_one.9 \
 	sleep.9 wakeup_any.9
 MLINKS+=sleepqueue.9 init_sleepqueues.9 \
 	sleepqueue.9 sleepq_abort.9 \
 	sleepqueue.9 sleepq_add.9 \
 	sleepqueue.9 sleepq_alloc.9 \
 	sleepqueue.9 sleepq_broadcast.9 \
 	sleepqueue.9 sleepq_free.9 \
 	sleepqueue.9 sleepq_lookup.9 \
 	sleepqueue.9 sleepq_lock.9 \
 	sleepqueue.9 sleepq_release.9 \
 	sleepqueue.9 sleepq_remove.9 \
 	sleepqueue.9 sleepq_set_timeout.9 \
 	sleepqueue.9 sleepq_set_timeout_sbt.9 \
 	sleepqueue.9 sleepq_signal.9 \
 	sleepqueue.9 sleepq_sleepcnt.9 \
 	sleepqueue.9 sleepq_timedwait.9 \
 	sleepqueue.9 sleepq_timedwait_sig.9 \
 	sleepqueue.9 sleepq_type.9 \
 	sleepqueue.9 sleepq_wait.9 \
 	sleepqueue.9 sleepq_wait_sig.9
 MLINKS+=smr.9 smr_advance.9 \
 	smr.9 smr_create.9 \
 	smr.9 smr_destroy.9 \
 	smr.9 smr_enter.9 \
 	smr.9 smr_exit.9 \
 	smr.9 smr_poll.9 \
 	smr.9 smr_synchronize.9 \
 	smr.9 smr_wait.9
 MLINKS+=socket.9 soabort.9 \
 	socket.9 soaccept.9 \
 	socket.9 sobind.9 \
 	socket.9 socheckuid.9 \
 	socket.9 soclose.9 \
 	socket.9 soconnect.9 \
 	socket.9 socreate.9 \
 	socket.9 sodisconnect.9 \
 	socket.9 sodtor_set.9 \
 	socket.9 sodupsockaddr.9 \
 	socket.9 sofree.9 \
 	socket.9 sogetopt.9 \
 	socket.9 sohasoutofband.9 \
 	socket.9 solisten.9 \
 	socket.9 solisten_proto.9 \
 	socket.9 solisten_proto_check.9 \
 	socket.9 sonewconn.9 \
 	socket.9 sooptcopyin.9 \
 	socket.9 sooptcopyout.9 \
 	socket.9 sopoll.9 \
 	socket.9 sopoll_generic.9 \
 	socket.9 soreceive.9 \
 	socket.9 soreceive_dgram.9 \
 	socket.9 soreceive_generic.9 \
 	socket.9 soreceive_stream.9 \
 	socket.9 soreserve.9 \
 	socket.9 sorflush.9 \
 	socket.9 sosend.9 \
 	socket.9 sosend_dgram.9 \
 	socket.9 sosend_generic.9 \
 	socket.9 sosetopt.9 \
 	socket.9 soshutdown.9 \
 	socket.9 sotoxsocket.9 \
 	socket.9 soupcall_clear.9 \
 	socket.9 soupcall_set.9 \
 	socket.9 sowakeup.9
 MLINKS+=stack.9 stack_copy.9 \
 	stack.9 stack_create.9 \
 	stack.9 stack_destroy.9 \
 	stack.9 stack_print.9 \
 	stack.9 stack_print_ddb.9 \
 	stack.9 stack_print_short.9 \
 	stack.9 stack_print_short_ddb.9 \
 	stack.9 stack_put.9 \
 	stack.9 stack_save.9 \
 	stack.9 stack_sbuf_print.9 \
 	stack.9 stack_sbuf_print_ddb.9 \
 	stack.9 stack_zero.9
 MLINKS+=store.9 subyte.9 \
 	store.9 suword.9 \
 	store.9 suword16.9 \
 	store.9 suword32.9 \
 	store.9 suword64.9
 MLINKS+=swi.9 swi_add.9 \
 	swi.9 swi_remove.9 \
 	swi.9 swi_sched.9
 MLINKS+=sx.9 sx_assert.9 \
 	sx.9 sx_destroy.9 \
 	sx.9 sx_downgrade.9 \
 	sx.9 sx_init.9 \
 	sx.9 sx_init_flags.9 \
 	sx.9 sx_sleep.9 \
 	sx.9 sx_slock.9 \
 	sx.9 sx_slock_sig.9 \
 	sx.9 sx_sunlock.9 \
 	sx.9 SX_SYSINIT.9 \
 	sx.9 SX_SYSINIT_FLAGS.9 \
 	sx.9 sx_try_slock.9 \
 	sx.9 sx_try_upgrade.9 \
 	sx.9 sx_try_xlock.9 \
 	sx.9 sx_unlock.9 \
 	sx.9 sx_xholder.9 \
 	sx.9 sx_xlock.9 \
 	sx.9 sx_xlock_sig.9 \
 	sx.9 sx_xlocked.9 \
 	sx.9 sx_xunlock.9
 MLINKS+=syscall_helper_register.9 syscall_helper_unregister.9 \
 	syscall_helper_register.9 SYSCALL_INIT_HELPER.9 \
 	syscall_helper_register.9 SYSCALL_INIT_HELPER_COMPAT.9 \
 	syscall_helper_register.9 SYSCALL_INIT_HELPER_COMPAT_F.9 \
 	syscall_helper_register.9 SYSCALL_INIT_HELPER_F.9
 MLINKS+=sysctl.9 SYSCTL_DECL.9 \
 	sysctl.9 SYSCTL_ADD_CONST_STRING.9 \
 	sysctl.9 SYSCTL_ADD_INT.9 \
 	sysctl.9 SYSCTL_ADD_LONG.9 \
 	sysctl.9 SYSCTL_ADD_NODE.9 \
 	sysctl.9 SYSCTL_ADD_NODE_WITH_LABEL.9 \
 	sysctl.9 SYSCTL_ADD_OPAQUE.9 \
 	sysctl.9 SYSCTL_ADD_PROC.9 \
 	sysctl.9 SYSCTL_ADD_QUAD.9 \
 	sysctl.9 SYSCTL_ADD_ROOT_NODE.9 \
 	sysctl.9 SYSCTL_ADD_S8.9 \
 	sysctl.9 SYSCTL_ADD_S16.9 \
 	sysctl.9 SYSCTL_ADD_S32.9 \
 	sysctl.9 SYSCTL_ADD_S64.9 \
 	sysctl.9 SYSCTL_ADD_STRING.9 \
 	sysctl.9 SYSCTL_ADD_STRUCT.9 \
 	sysctl.9 SYSCTL_ADD_TIMEVAL_SEC.9 \
 	sysctl.9 SYSCTL_ADD_U8.9 \
 	sysctl.9 SYSCTL_ADD_U16.9 \
 	sysctl.9 SYSCTL_ADD_U32.9 \
 	sysctl.9 SYSCTL_ADD_U64.9 \
 	sysctl.9 SYSCTL_ADD_UAUTO.9 \
 	sysctl.9 SYSCTL_ADD_UINT.9 \
 	sysctl.9 SYSCTL_ADD_ULONG.9 \
 	sysctl.9 SYSCTL_ADD_UMA_CUR.9 \
 	sysctl.9 SYSCTL_ADD_UMA_MAX.9 \
 	sysctl.9 SYSCTL_ADD_UQUAD.9 \
 	sysctl.9 SYSCTL_CHILDREN.9 \
 	sysctl.9 SYSCTL_STATIC_CHILDREN.9 \
 	sysctl.9 SYSCTL_NODE_CHILDREN.9 \
 	sysctl.9 SYSCTL_PARENT.9 \
 	sysctl.9 SYSCTL_INT.9 \
 	sysctl.9 SYSCTL_INT_WITH_LABEL.9 \
 	sysctl.9 SYSCTL_LONG.9 \
 	sysctl.9 sysctl_msec_to_ticks.9 \
 	sysctl.9 SYSCTL_NODE.9 \
 	sysctl.9 SYSCTL_NODE_WITH_LABEL.9 \
 	sysctl.9 SYSCTL_OPAQUE.9 \
 	sysctl.9 SYSCTL_PROC.9 \
 	sysctl.9 SYSCTL_QUAD.9 \
 	sysctl.9 SYSCTL_ROOT_NODE.9 \
 	sysctl.9 SYSCTL_S8.9 \
 	sysctl.9 SYSCTL_S16.9 \
 	sysctl.9 SYSCTL_S32.9 \
 	sysctl.9 SYSCTL_S64.9 \
 	sysctl.9 SYSCTL_STRING.9 \
 	sysctl.9 SYSCTL_STRUCT.9 \
 	sysctl.9 SYSCTL_TIMEVAL_SEC.9 \
 	sysctl.9 SYSCTL_U8.9 \
 	sysctl.9 SYSCTL_U16.9 \
 	sysctl.9 SYSCTL_U32.9 \
 	sysctl.9 SYSCTL_U64.9 \
 	sysctl.9 SYSCTL_UINT.9 \
 	sysctl.9 SYSCTL_ULONG.9 \
 	sysctl.9 SYSCTL_UMA_CUR.9 \
 	sysctl.9 SYSCTL_UMA_MAX.9 \
 	sysctl.9 SYSCTL_UQUAD.9
 MLINKS+=sysctl_add_oid.9 sysctl_move_oid.9 \
 	sysctl_add_oid.9 sysctl_remove_oid.9 \
 	sysctl_add_oid.9 sysctl_remove_name.9
 MLINKS+=sysctl_ctx_init.9 sysctl_ctx_entry_add.9 \
 	sysctl_ctx_init.9 sysctl_ctx_entry_del.9 \
 	sysctl_ctx_init.9 sysctl_ctx_entry_find.9 \
 	sysctl_ctx_init.9 sysctl_ctx_free.9
 MLINKS+=SYSINIT.9 SYSUNINIT.9
 MLINKS+=taskqueue.9 TASK_INIT.9 \
 	taskqueue.9 TASK_INITIALIZER.9 \
 	taskqueue.9 taskqueue_block.9 \
 	taskqueue.9 taskqueue_cancel.9 \
 	taskqueue.9 taskqueue_cancel_timeout.9 \
 	taskqueue.9 taskqueue_create.9 \
 	taskqueue.9 taskqueue_create_fast.9 \
 	taskqueue.9 TASKQUEUE_DECLARE.9 \
 	taskqueue.9 TASKQUEUE_DEFINE.9 \
 	taskqueue.9 TASKQUEUE_DEFINE_THREAD.9 \
 	taskqueue.9 taskqueue_drain.9 \
 	taskqueue.9 taskqueue_drain_all.9 \
 	taskqueue.9 taskqueue_drain_timeout.9 \
 	taskqueue.9 taskqueue_enqueue.9 \
 	taskqueue.9 taskqueue_enqueue_timeout.9 \
 	taskqueue.9 taskqueue_enqueue_timeout_sbt.9 \
 	taskqueue.9 TASKQUEUE_FAST_DEFINE.9 \
 	taskqueue.9 TASKQUEUE_FAST_DEFINE_THREAD.9 \
 	taskqueue.9 taskqueue_free.9 \
 	taskqueue.9 taskqueue_member.9 \
 	taskqueue.9 taskqueue_quiesce.9 \
 	taskqueue.9 taskqueue_run.9 \
 	taskqueue.9 taskqueue_set_callback.9 \
 	taskqueue.9 taskqueue_start_threads.9 \
 	taskqueue.9 taskqueue_start_threads_cpuset.9 \
 	taskqueue.9 taskqueue_start_threads_in_proc.9 \
 	taskqueue.9 taskqueue_unblock.9 \
 	taskqueue.9 TIMEOUT_TASK_INIT.9
 MLINKS+=tcp_functions.9 register_tcp_functions.9 \
 	tcp_functions.9 register_tcp_functions_as_name.9 \
 	tcp_functions.9 register_tcp_functions_as_names.9 \
 	tcp_functions.9 deregister_tcp_functions.9
 MLINKS+=time.9 boottime.9 \
 	time.9 time_second.9 \
 	time.9 time_uptime.9
 MLINKS+=ucred.9 crcopy.9 \
 	ucred.9 crcopysafe.9 \
 	ucred.9 crdup.9 \
 	ucred.9 crfree.9 \
 	ucred.9 crget.9 \
 	ucred.9 crhold.9 \
 	ucred.9 crsetgroups.9 \
 	ucred.9 cru2x.9
 MLINKS+=uidinfo.9 uifind.9 \
 	uidinfo.9 uifree.9 \
 	uidinfo.9 uihashinit.9 \
 	uidinfo.9 uihold.9
 MLINKS+=uio.9 uiomove.9 \
 	uio.9 uiomove_frombuf.9 \
 	uio.9 uiomove_nofault.9
 MLINKS+=unr.9 alloc_unr.9 \
 	unr.9 alloc_unrl.9 \
 	unr.9 alloc_unr_specific.9 \
 	unr.9 clear_unrhdr.9 \
 	unr.9 delete_unrhdr.9 \
 	unr.9 free_unr.9 \
 	unr.9 new_unrhdr.9
 
 .if ${MK_USB} != "no"
 MAN+=	usbdi.9
 MLINKS+=usbdi.9 usbd_do_request.9 \
 	usbdi.9 usbd_do_request_flags.9 \
 	usbdi.9 usbd_errstr.9 \
 	usbdi.9 usbd_lookup_id_by_info.9 \
 	usbdi.9 usbd_lookup_id_by_uaa.9 \
 	usbdi.9 usbd_transfer_clear_stall.9 \
 	usbdi.9 usbd_transfer_drain.9 \
 	usbdi.9 usbd_transfer_pending.9 \
 	usbdi.9 usbd_transfer_poll.9 \
 	usbdi.9 usbd_transfer_setup.9 \
 	usbdi.9 usbd_transfer_start.9 \
 	usbdi.9 usbd_transfer_stop.9 \
 	usbdi.9 usbd_transfer_submit.9 \
 	usbdi.9 usbd_transfer_unsetup.9 \
 	usbdi.9 usbd_xfer_clr_flag.9 \
 	usbdi.9 usbd_xfer_frame_data.9 \
 	usbdi.9 usbd_xfer_frame_len.9 \
 	usbdi.9 usbd_xfer_get_frame.9 \
 	usbdi.9 usbd_xfer_get_priv.9 \
 	usbdi.9 usbd_xfer_is_stalled.9 \
 	usbdi.9 usbd_xfer_max_framelen.9 \
 	usbdi.9 usbd_xfer_max_frames.9 \
 	usbdi.9 usbd_xfer_max_len.9 \
 	usbdi.9 usbd_xfer_set_flag.9 \
 	usbdi.9 usbd_xfer_set_frame_data.9 \
 	usbdi.9 usbd_xfer_set_frame_len.9 \
 	usbdi.9 usbd_xfer_set_frame_offset.9 \
 	usbdi.9 usbd_xfer_set_frames.9 \
 	usbdi.9 usbd_xfer_set_interval.9 \
 	usbdi.9 usbd_xfer_set_priv.9 \
 	usbdi.9 usbd_xfer_set_stall.9 \
 	usbdi.9 usbd_xfer_set_timeout.9 \
 	usbdi.9 usbd_xfer_softc.9 \
 	usbdi.9 usbd_xfer_state.9 \
 	usbdi.9 usbd_xfer_status.9 \
 	usbdi.9 usb_fifo_alloc_buffer.9 \
 	usbdi.9 usb_fifo_attach.9 \
 	usbdi.9 usb_fifo_detach.9 \
 	usbdi.9 usb_fifo_free_buffer.9 \
 	usbdi.9 usb_fifo_get_data.9 \
 	usbdi.9 usb_fifo_get_data_buffer.9 \
 	usbdi.9 usb_fifo_get_data_error.9 \
 	usbdi.9 usb_fifo_get_data_linear.9 \
 	usbdi.9 usb_fifo_put_bytes_max.9 \
 	usbdi.9 usb_fifo_put_data.9 \
 	usbdi.9 usb_fifo_put_data_buffer.9 \
 	usbdi.9 usb_fifo_put_data_error.9 \
 	usbdi.9 usb_fifo_put_data_linear.9 \
 	usbdi.9 usb_fifo_reset.9 \
 	usbdi.9 usb_fifo_softc.9 \
 	usbdi.9 usb_fifo_wakeup.9
 .endif
 MLINKS+=vfsconf.9 vfs_modevent.9 \
 	vfsconf.9 vfs_register.9 \
 	vfsconf.9 vfs_unregister.9
 MLINKS+=vfs_getopt.9 vfs_copyopt.9 \
 	vfs_getopt.9 vfs_filteropt.9 \
 	vfs_getopt.9 vfs_flagopt.9 \
 	vfs_getopt.9 vfs_getopts.9 \
 	vfs_getopt.9 vfs_scanopt.9 \
 	vfs_getopt.9 vfs_setopt.9 \
 	vfs_getopt.9 vfs_setopt_part.9 \
 	vfs_getopt.9 vfs_setopts.9
 MLINKS+=vhold.9 vdrop.9 \
 	vhold.9 vdropl.9 \
 	vhold.9 vholdl.9
 MLINKS+=vmem.9 vmem_add.9 \
 	vmem.9 vmem_alloc.9 \
 	vmem.9 vmem_create.9 \
 	vmem.9 vmem_destroy.9 \
 	vmem.9 vmem_free.9 \
 	vmem.9 vmem_xalloc.9 \
 	vmem.9 vmem_xfree.9
 MLINKS+=vm_map_lock.9 vm_map_lock_downgrade.9 \
 	vm_map_lock.9 vm_map_lock_read.9 \
 	vm_map_lock.9 vm_map_lock_upgrade.9 \
 	vm_map_lock.9 vm_map_trylock.9 \
 	vm_map_lock.9 vm_map_trylock_read.9 \
 	vm_map_lock.9 vm_map_unlock.9 \
 	vm_map_lock.9 vm_map_unlock_read.9
 MLINKS+=vm_map_lookup.9 vm_map_lookup_done.9
 MLINKS+=vm_map_max.9 vm_map_min.9 \
 	vm_map_max.9 vm_map_pmap.9
 MLINKS+=vm_map_stack.9 vm_map_growstack.9
 MLINKS+=vm_map_wire.9 vm_map_unwire.9
 MLINKS+=vm_page_alloc.9 vm_page_alloc_after.9 \
 	vm_page_alloc.9 vm_page_alloc_contig.9 \
 	vm_page_alloc.9 vm_page_alloc_contig_domain.9 \
 	vm_page_alloc.9 vm_page_alloc_domain.9 \
 	vm_page_alloc.9 vm_page_alloc_domain_after.9 \
 	vm_page_alloc.9 vm_page_alloc_noobj.9 \
 	vm_page_alloc.9 vm_page_alloc_noobj_contig.9 \
 	vm_page_alloc.9 vm_page_alloc_noobj_contig_domain.9 \
 	vm_page_alloc.9 vm_page_alloc_noobj_domain.9
 MLINKS+=vm_page_bits.9 vm_page_clear_dirty.9 \
 	vm_page_bits.9 vm_page_dirty.9 \
 	vm_page_bits.9 vm_page_is_valid.9 \
 	vm_page_bits.9 vm_page_set_invalid.9 \
 	vm_page_bits.9 vm_page_set_validclean.9 \
 	vm_page_bits.9 vm_page_test_dirty.9 \
 	vm_page_bits.9 vm_page_undirty.9 \
 	vm_page_bits.9 vm_page_zero_invalid.9
 MLINKS+=vm_page_busy.9 vm_page_busied.9 \
 	vm_page_busy.9 vm_page_busy_downgrade.9 \
 	vm_page_busy.9 vm_page_busy_sleep.9 \
 	vm_page_busy.9 vm_page_sbusied.9 \
 	vm_page_busy.9 vm_page_sunbusy.9 \
 	vm_page_busy.9 vm_page_trysbusy.9 \
 	vm_page_busy.9 vm_page_tryxbusy.9 \
 	vm_page_busy.9 vm_page_xbusied.9 \
 	vm_page_busy.9 vm_page_xunbusy.9 \
 	vm_page_busy.9 vm_page_assert_sbusied.9 \
 	vm_page_busy.9 vm_page_assert_unbusied.9 \
 	vm_page_busy.9 vm_page_assert_xbusied.9
 MLINKS+=vm_page_aflag.9 vm_page_aflag_clear.9 \
 	vm_page_aflag.9 vm_page_aflag_set.9 \
 	vm_page_aflag.9 vm_page_reference.9
 MLINKS+=vm_page_free.9 vm_page_free_toq.9 \
 	vm_page_free.9 vm_page_free_zero.9 \
 	vm_page_free.9 vm_page_try_to_free.9
 MLINKS+=vm_page_insert.9 vm_page_remove.9
 MLINKS+=vm_page_wire.9 vm_page_unwire.9 \
 	vm_page_wire.9 vm_page_unwire_noq.9 \
 	vm_page_wire.9 vm_page_wire_mapped.9
 MLINKS+=VOP_ACCESS.9 VOP_ACCESSX.9
 MLINKS+=VOP_ATTRIB.9 VOP_GETATTR.9 \
 	VOP_ATTRIB.9 VOP_SETATTR.9 \
 	VOP_ATTRIB.9 VOP_STAT.9
 MLINKS+=VOP_CREATE.9 VOP_MKDIR.9 \
 	VOP_CREATE.9 VOP_MKNOD.9 \
 	VOP_CREATE.9 VOP_SYMLINK.9
 MLINKS+=VOP_FSYNC.9 VOP_FDATASYNC.9
 MLINKS+=VOP_GETPAGES.9 VOP_PUTPAGES.9
 MLINKS+=VOP_INACTIVE.9 VOP_RECLAIM.9
 MLINKS+=VOP_INOTIFY.9 VOP_INOTIFY_ADD_WATCH.9
 MLINKS+=VOP_LOCK.9 vn_lock.9 \
 	VOP_LOCK.9 VOP_ISLOCKED.9 \
 	VOP_LOCK.9 VOP_UNLOCK.9
 MLINKS+=VOP_OPENCLOSE.9 VOP_CLOSE.9 \
 	VOP_OPENCLOSE.9 VOP_OPEN.9
 MLINKS+=VOP_RDWR.9 VOP_READ.9 \
 	VOP_RDWR.9 VOP_WRITE.9
 MLINKS+=VOP_REMOVE.9 VOP_RMDIR.9
 MLINKS+=VNET.9 VIMAGE.9
-MLINKS+=vref.9 VREF.9 \
-	vref.9 vrefl.9
+MLINKS+=vref.9 vrefl.9
 MLINKS+=vrele.9 vput.9 \
 	vrele.9 vunref.9
 MLINKS+=vslock.9 vsunlock.9
 MLINKS+=zone.9 uma.9 \
 	zone.9 uma_prealloc.9 \
 	zone.9 uma_reclaim.9 \
 	zone.9 uma_zalloc.9 \
 	zone.9 uma_zalloc_arg.9 \
 	zone.9 uma_zalloc_domain.9 \
 	zone.9 uma_zalloc_pcpu.9 \
 	zone.9 uma_zalloc_pcpu_arg.9 \
 	zone.9 uma_zcache_create.9 \
 	zone.9 uma_zcreate.9 \
 	zone.9 uma_zdestroy.9 \
 	zone.9 uma_zfree.9 \
 	zone.9 uma_zfree_arg.9 \
 	zone.9 uma_zfree_pcpu.9 \
 	zone.9 uma_zfree_pcpu_arg.9 \
 	zone.9 uma_zone_get_cur.9 \
 	zone.9 uma_zone_get_max.9 \
 	zone.9 uma_zone_reclaim.9 \
 	zone.9 uma_zone_reserve.9 \
 	zone.9 uma_zone_reserve_kva.9 \
 	zone.9 uma_zone_set_allocf.9 \
 	zone.9 uma_zone_set_freef.9 \
 	zone.9 uma_zone_set_max.9 \
 	zone.9 uma_zone_set_maxaction.9 \
 	zone.9 uma_zone_set_maxcache.9 \
 	zone.9 uma_zone_set_warning.9 \
 	zone.9 uma_zsecond_create.9
 
 # This makes more sense for amd64 and i386 but
 # we decide to install all manpages in all architectures
 _superio.9=	superio.9
 MLINKS+=superio.9 superio_devid.9 \
 	superio.9 superio_dev_disable.9 \
 	superio.9 superio_dev_enable.9 \
 	superio.9 superio_dev_enabled.9 \
 	superio.9 superio_find_dev.9 \
 	superio.9 superio_get_dma.9 \
 	superio.9 superio_get_iobase.9 \
 	superio.9 superio_get_irq.9 \
 	superio.9 superio_get_ldn.9 \
 	superio.9 superio_get_type.9 \
 	superio.9 superio_read.9 \
 	superio.9 superio_revid.9 \
 	superio.9 superio_vendor.9 \
 	superio.9 superio_write.9
 
 .include <bsd.prog.mk>
diff --git a/sys/fs/cd9660/cd9660_lookup.c b/sys/fs/cd9660/cd9660_lookup.c
index 75fcdc9152cd..4d0bf73ab235 100644
--- a/sys/fs/cd9660/cd9660_lookup.c
+++ b/sys/fs/cd9660/cd9660_lookup.c
@@ -1,463 +1,463 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993, 1994
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed to Berkeley
  * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
  * Support code is derived from software contributed to Berkeley
  * by Atsushi Murai (amurai@spec.co.jp).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/namei.h>
 #include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/vnode.h>
 #include <sys/mount.h>
 
 #include <fs/cd9660/iso.h>
 #include <fs/cd9660/cd9660_node.h>
 #include <fs/cd9660/iso_rrip.h>
 
 struct cd9660_ino_alloc_arg {
 	ino_t ino;
 	ino_t i_ino;
 	struct iso_directory_record *ep;
 };
 
 static int
 cd9660_ino_alloc(struct mount *mp, void *arg, int lkflags,
     struct vnode **vpp)
 {
 	struct cd9660_ino_alloc_arg *dd_arg;
 
 	dd_arg = arg;
 	return (cd9660_vget_internal(mp, dd_arg->i_ino, lkflags, vpp,
 	    dd_arg->i_ino != dd_arg->ino, dd_arg->ep));
 }
 
 /*
  * Convert a component of a pathname into a pointer to a locked inode.
  * This is a very central and rather complicated routine.
  * If the filesystem is not maintained in a strict tree hierarchy,
  * this can result in a deadlock situation (see comments in code below).
  *
  * The flag argument is LOOKUP, CREATE, RENAME, or DELETE depending on
  * whether the name is to be looked up, created, renamed, or deleted.
  * When CREATE, RENAME, or DELETE is specified, information usable in
  * creating, renaming, or deleting a directory entry may be calculated.
  * If flag has LOCKPARENT or'ed into it and the target of the pathname
  * exists, lookup returns both the target and its parent directory locked.
  * When creating or renaming and LOCKPARENT is specified, the target may
  * not be ".".  When deleting and LOCKPARENT is specified, the target may
  * be "."., but the caller must check to ensure it does an vrele and iput
  * instead of two iputs.
  *
  * Overall outline of ufs_lookup:
  *
  *	search for name in directory, to found or notfound
  * notfound:
  *	if creating, return locked directory, leaving info on available slots
  *	else return error
  * found:
  *	if at end of path and deleting, return information to allow delete
  *	if at end of path and rewriting (RENAME and LOCKPARENT), lock target
  *	  inode and return info to allow rewrite
  *	if not at end, add name to cache; if at end and neither creating
  *	  nor deleting, add name to cache
  *
  * NOTE: (LOOKUP | LOCKPARENT) currently returns the parent inode unlocked.
  */
 int
 cd9660_lookup(struct vop_cachedlookup_args *ap)
 {
 	struct vnode *vdp;		/* vnode for directory being searched */
 	struct iso_node *dp;		/* inode for directory being searched */
 	struct iso_mnt *imp;		/* filesystem that directory is in */
 	struct buf *bp;			/* a buffer of directory entries */
 	struct iso_directory_record *ep;/* the current directory entry */
 	struct iso_directory_record *ep2;/* copy of current directory entry */
 	int entryoffsetinblock;		/* offset of ep in bp's buffer */
 	int saveoffset = 0;		/* offset of last directory entry in dir */
 	doff_t i_diroff;		/* cached i_diroff value. */
 	doff_t i_offset;		/* cached i_offset value. */
 	int numdirpasses;		/* strategy for directory search */
 	doff_t endsearch;		/* offset to end directory search */
 	struct vnode *pdp;		/* saved dp during symlink work */
 	struct vnode *tdp;		/* returned by cd9660_vget_internal */
 	struct cd9660_ino_alloc_arg dd_arg;
 	u_long bmask;			/* block offset mask */
 	int error;
 	ino_t ino, i_ino;
 	int ltype, reclen;
 	u_short namelen;
 	int isoflags;
 	char altname[NAME_MAX];
 	int res;
 	int assoc, len;
 	char *name;
 	struct vnode **vpp = ap->a_vpp;
 	struct componentname *cnp = ap->a_cnp;
 	uint64_t flags = cnp->cn_flags;
 	int nameiop = cnp->cn_nameiop;
 
 	ep2 = ep = NULL;
 	bp = NULL;
 	*vpp = NULL;
 	vdp = ap->a_dvp;
 	dp = VTOI(vdp);
 	imp = dp->i_mnt;
 
 	/*
 	 * We now have a segment name to search for, and a directory to search.
 	 */
 	ino = reclen = 0;
 	i_diroff = dp->i_diroff;
 	len = cnp->cn_namelen;
 	name = cnp->cn_nameptr;
 
 	/*
 	 * A leading `=' means, we are looking for an associated file
 	 */
 	if ((assoc = (imp->iso_ftype != ISO_FTYPE_RRIP && *name == ASSOCCHAR)))
 	{
 		len--;
 		name++;
 	}
 
 	/*
 	 * If there is cached information on a previous search of
 	 * this directory, pick up where we last left off.
 	 * We cache only lookups as these are the most common
 	 * and have the greatest payoff. Caching CREATE has little
 	 * benefit as it usually must search the entire directory
 	 * to determine that the entry does not exist. Caching the
 	 * location of the last DELETE or RENAME has not reduced
 	 * profiling time and hence has been removed in the interest
 	 * of simplicity.
 	 */
 	bmask = imp->im_bmask;
 	if (nameiop != LOOKUP || i_diroff == 0 || i_diroff > dp->i_size) {
 		entryoffsetinblock = 0;
 		i_offset = 0;
 		numdirpasses = 1;
 	} else {
 		i_offset = i_diroff;
 		if ((entryoffsetinblock = i_offset & bmask) &&
 		    (error = cd9660_blkatoff(vdp, (off_t)i_offset, NULL, &bp)))
 				return (error);
 		numdirpasses = 2;
 		nchstats.ncs_2passes++;
 	}
 	endsearch = dp->i_size;
 
 searchloop:
 	while (i_offset < endsearch) {
 		/*
 		 * If offset is on a block boundary,
 		 * read the next directory block.
 		 * Release previous if it exists.
 		 */
 		if ((i_offset & bmask) == 0) {
 			if (bp != NULL)
 				brelse(bp);
 			if ((error =
 			    cd9660_blkatoff(vdp, (off_t)i_offset, NULL, &bp)) != 0)
 				return (error);
 			entryoffsetinblock = 0;
 		}
 		/*
 		 * Get pointer to next entry.
 		 */
 		ep = (struct iso_directory_record *)
 			((char *)bp->b_data + entryoffsetinblock);
 
 		reclen = isonum_711(ep->length);
 		if (reclen == 0) {
 			/* skip to next block, if any */
 			i_offset =
 			    (i_offset & ~bmask) + imp->logical_block_size;
 			continue;
 		}
 
 		if (reclen < ISO_DIRECTORY_RECORD_SIZE)
 			/* illegal entry, stop */
 			break;
 
 		if (entryoffsetinblock + reclen > imp->logical_block_size)
 			/* entries are not allowed to cross boundaries */
 			break;
 
 		namelen = isonum_711(ep->name_len);
 		isoflags = isonum_711(imp->iso_ftype == ISO_FTYPE_HIGH_SIERRA?
 				      &ep->date[6]: ep->flags);
 
 		if (reclen < ISO_DIRECTORY_RECORD_SIZE + namelen)
 			/* illegal entry, stop */
 			break;
 
 		/*
 		 * Check for a name match.
 		 */
 		switch (imp->iso_ftype) {
 		default:
 			if (!(isoflags & 4) == !assoc) {
 				if ((len == 1
 				     && *name == '.')
 				    || (flags & ISDOTDOT)) {
 					if (namelen == 1
 					    && ep->name[0] == ((flags & ISDOTDOT) ? 1 : 0)) {
 						/*
 						 * Save directory entry's inode number and
 						 * release directory buffer.
 						 */
 						i_ino = isodirino(ep, imp);
 						goto found;
 					}
 					if (namelen != 1
 					    || ep->name[0] != 0)
 						goto notfound;
 				} else if (!(res = isofncmp(name, len,
 							    ep->name, namelen,
 							    imp->joliet_level,
 							    imp->im_flags,
 							    imp->im_d2l,
 							    imp->im_l2d))) {
 					if (isoflags & 2)
 						ino = isodirino(ep, imp);
 					else
 						ino = dbtob(bp->b_blkno)
 							+ entryoffsetinblock;
 					saveoffset = i_offset;
 				} else if (ino)
 					goto foundino;
 #ifdef	NOSORTBUG	/* On some CDs directory entries are not sorted correctly */
 				else if (res < 0)
 					goto notfound;
 				else if (res > 0 && numdirpasses == 2)
 					numdirpasses++;
 #endif
 			}
 			break;
 		case ISO_FTYPE_RRIP:
 			if (isonum_711(ep->flags)&2)
 				ino = isodirino(ep, imp);
 			else
 				ino = dbtob(bp->b_blkno) + entryoffsetinblock;
 			i_ino = ino;
 			cd9660_rrip_getname(ep, altname, &namelen, &i_ino, imp);
 			if (namelen == cnp->cn_namelen
 			    && !bcmp(name,altname,namelen))
 				goto found;
 			ino = 0;
 			break;
 		}
 		i_offset += reclen;
 		entryoffsetinblock += reclen;
 	}
 	if (ino) {
 foundino:
 		i_ino = ino;
 		if (saveoffset != i_offset) {
 			if (lblkno(imp, i_offset) !=
 			    lblkno(imp, saveoffset)) {
 				if (bp != NULL)
 					brelse(bp);
 				if ((error = cd9660_blkatoff(vdp,
 				    (off_t)saveoffset, NULL, &bp)) != 0)
 					return (error);
 			}
 			entryoffsetinblock = saveoffset & bmask;
 			ep = (struct iso_directory_record *)
 				((char *)bp->b_data + entryoffsetinblock);
 			reclen = isonum_711(ep->length);
 			i_offset = saveoffset;
 		}
 		goto found;
 	}
 notfound:
 	/*
 	 * If we started in the middle of the directory and failed
 	 * to find our target, we must check the beginning as well.
 	 */
 	if (numdirpasses == 2) {
 		numdirpasses--;
 		i_offset = 0;
 		endsearch = i_diroff;
 		goto searchloop;
 	}
 	if (bp != NULL)
 		brelse(bp);
 
 	/*
 	 * Insert name into cache (as non-existent) if appropriate.
 	 */
 	if (cnp->cn_flags & MAKEENTRY)
 		cache_enter(vdp, *vpp, cnp);
 	if (nameiop == CREATE || nameiop == RENAME)
 		return (EROFS);
 	return (ENOENT);
 
 found:
 	if (numdirpasses == 2)
 		nchstats.ncs_pass2++;
 
 	/*
 	 * Found component in pathname.
 	 * If the final component of path name, save information
 	 * in the cache as to where the entry was found.
 	 */
 	if ((flags & ISLASTCN) && nameiop == LOOKUP)
 		dp->i_diroff = i_offset;
 
 	/*
 	 * Step through the translation in the name.  We do not `vput' the
 	 * directory because we may need it again if a symbolic link
 	 * is relative to the current directory.  Instead we save it
 	 * unlocked as "pdp".  We must get the target inode before unlocking
 	 * the directory to insure that the inode will not be removed
 	 * before we get it.  We prevent deadlock by always fetching
 	 * inodes from the root, moving down the directory tree. Thus
 	 * when following backward pointers ".." we must unlock the
 	 * parent directory before getting the requested directory.
 	 * There is a potential race condition here if both the current
 	 * and parent directories are removed before the `vget' for the
 	 * inode associated with ".." returns.  We hope that this occurs
 	 * infrequently since we cannot avoid this race condition without
 	 * implementing a sophisticated deadlock detection algorithm.
 	 * Note also that this simple deadlock detection scheme will not
 	 * work if the filesystem has any hard links other than ".."
 	 * that point backwards in the directory structure.
 	 */
 	pdp = vdp;
 
 	/*
 	 * Make a copy of the directory entry for non "." lookups so
 	 * we can drop the buffer before calling vget() to avoid a
 	 * lock order reversal between the vnode lock and the buffer
 	 * lock.
 	 */
 	if (dp->i_number != i_ino) {
 		ep2 = malloc(reclen, M_TEMP, M_WAITOK);
 		memcpy(ep2, ep, reclen);
 		ep = ep2;
 	}
 	brelse(bp);
 
 	/*
 	 * If ino is different from i_ino,
 	 * it's a relocated directory.
 	 */
 	if (flags & ISDOTDOT) {
 		dd_arg.ino = ino;
 		dd_arg.i_ino = i_ino;
 		dd_arg.ep = ep;
 		error = vn_vget_ino_gen(pdp, cd9660_ino_alloc, &dd_arg,
 		    cnp->cn_lkflags, &tdp);
 		free(ep2, M_TEMP);
 		if (error != 0)
 			return (error);
 		*vpp = tdp;
 	} else if (dp->i_number == i_ino) {
-		VREF(vdp);	/* we want ourself, ie "." */
+		vref(vdp);	/* we want ourself, ie "." */
 		/*
 		 * When we lookup "." we still can be asked to lock it
 		 * differently.
 		 */
 		ltype = cnp->cn_lkflags & LK_TYPE_MASK;
 		if (ltype != VOP_ISLOCKED(vdp)) {
 			if (ltype == LK_EXCLUSIVE)
 				vn_lock(vdp, LK_UPGRADE | LK_RETRY);
 			else /* if (ltype == LK_SHARED) */
 				vn_lock(vdp, LK_DOWNGRADE | LK_RETRY);
 		}
 		*vpp = vdp;
 	} else {
 		error = cd9660_vget_internal(vdp->v_mount, i_ino,
 					     cnp->cn_lkflags, &tdp,
 					     i_ino != ino, ep);
 		free(ep2, M_TEMP);
 		if (error)
 			return (error);
 		*vpp = tdp;
 	}
 
 	/*
 	 * Insert name into cache if appropriate.
 	 */
 	if (cnp->cn_flags & MAKEENTRY)
 		cache_enter(vdp, *vpp, cnp);
 	return (0);
 }
 
 /*
  * Return buffer with the contents of block "offset" from the beginning of
  * directory "ip".  If "res" is non-zero, fill it in with a pointer to the
  * remaining space in the directory.
  */
 int
 cd9660_blkatoff(struct vnode *vp, off_t offset, char **res, struct buf **bpp)
 {
 	struct iso_node *ip;
 	struct iso_mnt *imp;
 	struct buf *bp;
 	daddr_t lbn;
 	int bsize, bshift, error;
 
 	ip = VTOI(vp);
 	imp = ip->i_mnt;
 	lbn = lblkno(imp, offset);
 	bsize = blksize(imp, ip, lbn);
 	bshift = imp->im_bshift;
 
 	if ((error = bread(vp, lbn, bsize, NOCRED, &bp)) != 0) {
 		brelse(bp);
 		*bpp = NULL;
 		return (error);
 	}
 
 	/*
 	 * We must BMAP the buffer because the directory code may use b_blkno
 	 * to calculate the inode for certain types of directory entries.
 	 * We could get away with not doing it before we VMIO-backed the
 	 * directories because the buffers would get freed atomically with
 	 * the invalidation of their data.  But with VMIO-backed buffers
 	 * the buffers may be freed and then later reconstituted - and the
 	 * reconstituted buffer will have no knowledge of b_blkno.
 	 */
 	if (bp->b_blkno == bp->b_lblkno) {
 	        bp->b_blkno = (ip->iso_start + bp->b_lblkno) << (bshift - DEV_BSHIFT);
         }
 
 	if (res)
 		*res = (char *)bp->b_data + blkoff(imp, offset);
 	*bpp = bp;
 	return (0);
 }
diff --git a/sys/fs/devfs/devfs_vnops.c b/sys/fs/devfs/devfs_vnops.c
index 590e04ac9aa5..caadf257b8ad 100644
--- a/sys/fs/devfs/devfs_vnops.c
+++ b/sys/fs/devfs/devfs_vnops.c
@@ -1,2150 +1,2150 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause
  *
  * Copyright (c) 2000-2004
  *	Poul-Henning Kamp.  All rights reserved.
  * Copyright (c) 1989, 1992-1993, 1995
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software donated to Berkeley by
  * Jan-Simon Pendry.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  * From: FreeBSD: src/sys/miscfs/kernfs/kernfs_vnops.c 1.43
  */
 
 /*
  * TODO:
  *	mkdir: want it ?
  */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/conf.h>
 #include <sys/dirent.h>
 #include <sys/eventhandler.h>
 #include <sys/fcntl.h>
 #include <sys/file.h>
 #include <sys/filedesc.h>
 #include <sys/filio.h>
 #include <sys/jail.h>
 #include <sys/kernel.h>
 #include <sys/limits.h>
 #include <sys/lock.h>
 #include <sys/malloc.h>
 #include <sys/mman.h>
 #include <sys/mount.h>
 #include <sys/namei.h>
 #include <sys/priv.h>
 #include <sys/proc.h>
 #include <sys/stat.h>
 #include <sys/sx.h>
 #include <sys/sysctl.h>
 #include <sys/time.h>
 #include <sys/ttycom.h>
 #include <sys/unistd.h>
 #include <sys/vnode.h>
 
 static struct vop_vector devfs_vnodeops;
 static struct vop_vector devfs_specops;
 static const struct fileops devfs_ops_f;
 
 #include <fs/devfs/devfs.h>
 #include <fs/devfs/devfs_int.h>
 
 #include <security/mac/mac_framework.h>
 
 #include <vm/vm.h>
 #include <vm/vm_extern.h>
 #include <vm/vm_object.h>
 
 static MALLOC_DEFINE(M_CDEVPDATA, "DEVFSP", "Metainfo for cdev-fp data");
 
 struct mtx	devfs_de_interlock;
 MTX_SYSINIT(devfs_de_interlock, &devfs_de_interlock, "devfs interlock", MTX_DEF);
 struct mtx	cdevpriv_mtx;
 MTX_SYSINIT(cdevpriv_mtx, &cdevpriv_mtx, "cdevpriv lock", MTX_DEF);
 
 SYSCTL_DECL(_vfs_devfs);
 
 static int devfs_dotimes;
 SYSCTL_INT(_vfs_devfs, OID_AUTO, dotimes, CTLFLAG_RW,
     &devfs_dotimes, 0, "Update timestamps on DEVFS with default precision");
 
 /*
  * Update devfs node timestamp.  Note that updates are unlocked and
  * stat(2) could see partially updated times.
  */
 static void
 devfs_timestamp(struct timespec *tsp)
 {
 	time_t ts;
 
 	if (devfs_dotimes) {
 		vfs_timestamp(tsp);
 	} else {
 		ts = time_second;
 		if (tsp->tv_sec != ts) {
 			tsp->tv_sec = ts;
 			tsp->tv_nsec = 0;
 		}
 	}
 }
 
 static int
 devfs_fp_check(struct file *fp, struct cdev **devp, struct cdevsw **dswp,
     int *ref)
 {
 	*dswp = devvn_refthread(fp->f_vnode, devp, ref);
 	if (*dswp == NULL || *devp != fp->f_data) {
 		if (*dswp != NULL)
 			dev_relthread(*devp, *ref);
 		return (ENXIO);
 	}
 	KASSERT((*devp)->si_refcount > 0,
 	    ("devfs: un-referenced struct cdev *(%s)", devtoname(*devp)));
 	if (*dswp == NULL)
 		return (ENXIO);
 	curthread->td_fpop = fp;
 	return (0);
 }
 
 int
 devfs_get_cdevpriv(void **datap)
 {
 	struct file *fp;
 	struct cdev_privdata *p;
 	int error;
 
 	fp = curthread->td_fpop;
 	if (fp == NULL)
 		return (EBADF);
 	p = fp->f_cdevpriv;
 	if (p != NULL) {
 		error = 0;
 		*datap = p->cdpd_data;
 	} else
 		error = ENOENT;
 	return (error);
 }
 
 int
 devfs_set_cdevpriv(void *priv, d_priv_dtor_t *priv_dtr)
 {
 	struct file *fp;
 	struct cdev_priv *cdp;
 	struct cdev_privdata *p;
 	int error;
 
 	fp = curthread->td_fpop;
 	if (fp == NULL)
 		return (ENOENT);
 	cdp = cdev2priv((struct cdev *)fp->f_data);
 	p = malloc(sizeof(struct cdev_privdata), M_CDEVPDATA, M_WAITOK);
 	p->cdpd_data = priv;
 	p->cdpd_dtr = priv_dtr;
 	p->cdpd_fp = fp;
 	mtx_lock(&cdevpriv_mtx);
 	if (fp->f_cdevpriv == NULL) {
 		LIST_INSERT_HEAD(&cdp->cdp_fdpriv, p, cdpd_list);
 		fp->f_cdevpriv = p;
 		mtx_unlock(&cdevpriv_mtx);
 		error = 0;
 	} else {
 		mtx_unlock(&cdevpriv_mtx);
 		free(p, M_CDEVPDATA);
 		error = EBUSY;
 	}
 	return (error);
 }
 
 int
 devfs_foreach_cdevpriv(struct cdev *dev, int (*cb)(void *data, void *arg),
     void *arg)
 {
 	struct cdev_priv *cdp;
 	struct cdev_privdata *p;
 	int error;
 
 	cdp = cdev2priv(dev);
 	error = 0;
 	mtx_lock(&cdevpriv_mtx);
 	LIST_FOREACH(p, &cdp->cdp_fdpriv, cdpd_list) {
 		error = cb(p->cdpd_data, arg);
 		if (error != 0)
 			break;
 	}
 	mtx_unlock(&cdevpriv_mtx);
 	return (error);
 }
 
 void
 devfs_destroy_cdevpriv(struct cdev_privdata *p)
 {
 
 	mtx_assert(&cdevpriv_mtx, MA_OWNED);
 	KASSERT(p->cdpd_fp->f_cdevpriv == p,
 	    ("devfs_destoy_cdevpriv %p != %p", p->cdpd_fp->f_cdevpriv, p));
 	p->cdpd_fp->f_cdevpriv = NULL;
 	LIST_REMOVE(p, cdpd_list);
 	mtx_unlock(&cdevpriv_mtx);
 	(p->cdpd_dtr)(p->cdpd_data);
 	free(p, M_CDEVPDATA);
 }
 
 static void
 devfs_fpdrop(struct file *fp)
 {
 	struct cdev_privdata *p;
 
 	mtx_lock(&cdevpriv_mtx);
 	if ((p = fp->f_cdevpriv) == NULL) {
 		mtx_unlock(&cdevpriv_mtx);
 		return;
 	}
 	devfs_destroy_cdevpriv(p);
 }
 
 void
 devfs_clear_cdevpriv(void)
 {
 	struct file *fp;
 
 	fp = curthread->td_fpop;
 	if (fp == NULL)
 		return;
 	devfs_fpdrop(fp);
 }
 
 static void
 devfs_usecount_add(struct vnode *vp)
 {
 	struct devfs_dirent *de;
 	struct cdev *dev;
 
 	mtx_lock(&devfs_de_interlock);
 	VI_LOCK(vp);
 	VNPASS(vp->v_type == VCHR || vp->v_type == VBAD, vp);
 	if (VN_IS_DOOMED(vp)) {
 		goto out_unlock;
 	}
 
 	de = vp->v_data;
 	dev = vp->v_rdev;
 	MPASS(de != NULL);
 	MPASS(dev != NULL);
 	dev->si_usecount++;
 	de->de_usecount++;
 out_unlock:
 	VI_UNLOCK(vp);
 	mtx_unlock(&devfs_de_interlock);
 }
 
 static void
 devfs_usecount_subl(struct vnode *vp)
 {
 	struct devfs_dirent *de;
 	struct cdev *dev;
 
 	mtx_assert(&devfs_de_interlock, MA_OWNED);
 	ASSERT_VI_LOCKED(vp, __func__);
 	VNPASS(vp->v_type == VCHR || vp->v_type == VBAD, vp);
 
 	de = vp->v_data;
 	dev = vp->v_rdev;
 	if (de == NULL)
 		return;
 	if (dev == NULL) {
 		MPASS(de->de_usecount == 0);
 		return;
 	}
 	if (dev->si_usecount < de->de_usecount)
 		panic("%s: si_usecount underflow for dev %p "
 		    "(has %ld, dirent has %d)\n",
 		    __func__, dev, dev->si_usecount, de->de_usecount);
 	if (VN_IS_DOOMED(vp)) {
 		dev->si_usecount -= de->de_usecount;
 		de->de_usecount = 0;
 	} else {
 		if (de->de_usecount == 0)
 			panic("%s: de_usecount underflow for dev %p\n",
 			    __func__, dev);
 		dev->si_usecount--;
 		de->de_usecount--;
 	}
 }
 
 static void
 devfs_usecount_sub(struct vnode *vp)
 {
 
 	mtx_lock(&devfs_de_interlock);
 	VI_LOCK(vp);
 	devfs_usecount_subl(vp);
 	VI_UNLOCK(vp);
 	mtx_unlock(&devfs_de_interlock);
 }
 
 static int
 devfs_usecountl(struct vnode *vp)
 {
 
 	VNPASS(vp->v_type == VCHR, vp);
 	mtx_assert(&devfs_de_interlock, MA_OWNED);
 	ASSERT_VI_LOCKED(vp, __func__);
 	return (vp->v_rdev->si_usecount);
 }
 
 int
 devfs_usecount(struct vnode *vp)
 {
 	int count;
 
 	VNPASS(vp->v_type == VCHR, vp);
 	mtx_lock(&devfs_de_interlock);
 	VI_LOCK(vp);
 	count = devfs_usecountl(vp);
 	VI_UNLOCK(vp);
 	mtx_unlock(&devfs_de_interlock);
 	return (count);
 }
 
 void
 devfs_ctty_ref(struct vnode *vp)
 {
 
 	vrefact(vp);
 	devfs_usecount_add(vp);
 }
 
 void
 devfs_ctty_unref(struct vnode *vp)
 {
 
 	devfs_usecount_sub(vp);
 	vrele(vp);
 }
 
 /*
  * On success devfs_populate_vp() returns with dmp->dm_lock held.
  */
 static int
 devfs_populate_vp(struct vnode *vp)
 {
 	struct devfs_dirent *de;
 	struct devfs_mount *dmp;
 	int locked;
 
 	ASSERT_VOP_LOCKED(vp, "devfs_populate_vp");
 
 	dmp = VFSTODEVFS(vp->v_mount);
 	if (!devfs_populate_needed(dmp)) {
 		sx_xlock(&dmp->dm_lock);
 		goto out_nopopulate;
 	}
 
 	locked = VOP_ISLOCKED(vp);
 
 	sx_xlock(&dmp->dm_lock);
 	DEVFS_DMP_HOLD(dmp);
 
 	/* Can't call devfs_populate() with the vnode lock held. */
 	VOP_UNLOCK(vp);
 	devfs_populate(dmp);
 
 	sx_xunlock(&dmp->dm_lock);
 	vn_lock(vp, locked | LK_RETRY);
 	sx_xlock(&dmp->dm_lock);
 	if (DEVFS_DMP_DROP(dmp)) {
 		sx_xunlock(&dmp->dm_lock);
 		devfs_unmount_final(dmp);
 		return (ERESTART);
 	}
 out_nopopulate:
 	if (VN_IS_DOOMED(vp)) {
 		sx_xunlock(&dmp->dm_lock);
 		return (ERESTART);
 	}
 	de = vp->v_data;
 	KASSERT(de != NULL,
 	    ("devfs_populate_vp: vp->v_data == NULL but vnode not doomed"));
 	if ((de->de_flags & DE_DOOMED) != 0) {
 		sx_xunlock(&dmp->dm_lock);
 		return (ERESTART);
 	}
 
 	return (0);
 }
 
 static int
 devfs_vptocnp(struct vop_vptocnp_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode **dvp = ap->a_vpp;
 	struct devfs_mount *dmp;
 	char *buf = ap->a_buf;
 	size_t *buflen = ap->a_buflen;
 	struct devfs_dirent *dd, *de;
 	int i, error;
 
 	dmp = VFSTODEVFS(vp->v_mount);
 
 	error = devfs_populate_vp(vp);
 	if (error != 0)
 		return (error);
 
 	if (vp->v_type != VCHR && vp->v_type != VDIR) {
 		error = ENOENT;
 		goto finished;
 	}
 
 	dd = vp->v_data;
 	if (vp->v_type == VDIR && dd == dmp->dm_rootdir) {
 		*dvp = vp;
 		vref(*dvp);
 		goto finished;
 	}
 
 	i = *buflen;
 	i -= dd->de_dirent->d_namlen;
 	if (i < 0) {
 		error = ENOMEM;
 		goto finished;
 	}
 	bcopy(dd->de_dirent->d_name, buf + i, dd->de_dirent->d_namlen);
 	*buflen = i;
 	de = devfs_parent_dirent(dd);
 	if (de == NULL) {
 		error = ENOENT;
 		goto finished;
 	}
 	mtx_lock(&devfs_de_interlock);
 	*dvp = de->de_vnode;
 	if (*dvp != NULL) {
 		VI_LOCK(*dvp);
 		mtx_unlock(&devfs_de_interlock);
 		vholdl(*dvp);
 		VI_UNLOCK(*dvp);
 		vref(*dvp);
 		vdrop(*dvp);
 	} else {
 		mtx_unlock(&devfs_de_interlock);
 		error = ENOENT;
 	}
 finished:
 	sx_xunlock(&dmp->dm_lock);
 	return (error);
 }
 
 /*
  * Construct the fully qualified path name relative to the mountpoint.
  * If a NULL cnp is provided, no '/' is appended to the resulting path.
  */
 char *
 devfs_fqpn(char *buf, struct devfs_mount *dmp, struct devfs_dirent *dd,
     struct componentname *cnp)
 {
 	int i;
 	struct devfs_dirent *de;
 
 	sx_assert(&dmp->dm_lock, SA_LOCKED);
 
 	i = SPECNAMELEN;
 	buf[i] = '\0';
 	if (cnp != NULL)
 		i -= cnp->cn_namelen;
 	if (i < 0)
 		 return (NULL);
 	if (cnp != NULL)
 		bcopy(cnp->cn_nameptr, buf + i, cnp->cn_namelen);
 	de = dd;
 	while (de != dmp->dm_rootdir) {
 		if (cnp != NULL || i < SPECNAMELEN) {
 			i--;
 			if (i < 0)
 				 return (NULL);
 			buf[i] = '/';
 		}
 		i -= de->de_dirent->d_namlen;
 		if (i < 0)
 			 return (NULL);
 		bcopy(de->de_dirent->d_name, buf + i,
 		    de->de_dirent->d_namlen);
 		de = devfs_parent_dirent(de);
 		if (de == NULL)
 			return (NULL);
 	}
 	return (buf + i);
 }
 
 static int
 devfs_allocv_drop_refs(int drop_dm_lock, struct devfs_mount *dmp,
 	struct devfs_dirent *de)
 {
 	int not_found;
 
 	not_found = 0;
 	if (de->de_flags & DE_DOOMED)
 		not_found = 1;
 	if (DEVFS_DE_DROP(de)) {
 		KASSERT(not_found == 1, ("DEVFS de dropped but not doomed"));
 		devfs_dirent_free(de);
 	}
 	if (DEVFS_DMP_DROP(dmp)) {
 		KASSERT(not_found == 1,
 			("DEVFS mount struct freed before dirent"));
 		not_found = 2;
 		sx_xunlock(&dmp->dm_lock);
 		devfs_unmount_final(dmp);
 	}
 	if (not_found == 1 || (drop_dm_lock && not_found != 2))
 		sx_unlock(&dmp->dm_lock);
 	return (not_found);
 }
 
 /*
  * devfs_allocv shall be entered with dmp->dm_lock held, and it drops
  * it on return.
  */
 int
 devfs_allocv(struct devfs_dirent *de, struct mount *mp, int lockmode,
     struct vnode **vpp)
 {
 	int error;
 	struct vnode *vp;
 	struct cdev *dev;
 	struct devfs_mount *dmp;
 	struct cdevsw *dsw;
 	enum vgetstate vs;
 
 	dmp = VFSTODEVFS(mp);
 	if (de->de_flags & DE_DOOMED) {
 		sx_xunlock(&dmp->dm_lock);
 		return (ENOENT);
 	}
 loop:
 	DEVFS_DE_HOLD(de);
 	DEVFS_DMP_HOLD(dmp);
 	mtx_lock(&devfs_de_interlock);
 	vp = de->de_vnode;
 	if (vp != NULL) {
 		vs = vget_prep(vp);
 		mtx_unlock(&devfs_de_interlock);
 		sx_xunlock(&dmp->dm_lock);
 		vget_finish(vp, lockmode | LK_RETRY, vs);
 		sx_xlock(&dmp->dm_lock);
 		if (devfs_allocv_drop_refs(0, dmp, de)) {
 			vput(vp);
 			return (ENOENT);
 		} else if (VN_IS_DOOMED(vp)) {
 			mtx_lock(&devfs_de_interlock);
 			if (de->de_vnode == vp) {
 				de->de_vnode = NULL;
 				vp->v_data = NULL;
 			}
 			mtx_unlock(&devfs_de_interlock);
 			vput(vp);
 			goto loop;
 		}
 		sx_xunlock(&dmp->dm_lock);
 		*vpp = vp;
 		return (0);
 	}
 	mtx_unlock(&devfs_de_interlock);
 	if (de->de_dirent->d_type == DT_CHR) {
 		if (!(de->de_cdp->cdp_flags & CDP_ACTIVE)) {
 			devfs_allocv_drop_refs(1, dmp, de);
 			return (ENOENT);
 		}
 		dev = &de->de_cdp->cdp_c;
 	} else {
 		dev = NULL;
 	}
 	error = getnewvnode("devfs", mp, &devfs_vnodeops, &vp);
 	if (error != 0) {
 		devfs_allocv_drop_refs(1, dmp, de);
 		printf("devfs_allocv: failed to allocate new vnode\n");
 		return (error);
 	}
 
 	if (de->de_dirent->d_type == DT_CHR) {
 		vp->v_type = VCHR;
 		VI_LOCK(vp);
 		dev_lock();
 		dev_refl(dev);
 		/* XXX: v_rdev should be protect by vnode lock */
 		vp->v_rdev = dev;
 		VNPASS(vp->v_usecount == 1, vp);
 		/* Special casing of ttys for deadfs.  Probably redundant. */
 		dsw = dev->si_devsw;
 		if (dsw != NULL && (dsw->d_flags & D_TTY) != 0)
 			vp->v_vflag |= VV_ISTTY;
 		dev_unlock();
 		VI_UNLOCK(vp);
 		if ((dev->si_flags & SI_ETERNAL) != 0)
 			vp->v_vflag |= VV_ETERNALDEV;
 		vp->v_op = &devfs_specops;
 	} else if (de->de_dirent->d_type == DT_DIR) {
 		vp->v_type = VDIR;
 	} else if (de->de_dirent->d_type == DT_LNK) {
 		vp->v_type = VLNK;
 	} else {
 		vp->v_type = VBAD;
 	}
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY | LK_NOWITNESS);
 	VN_LOCK_ASHARE(vp);
 	mtx_lock(&devfs_de_interlock);
 	vp->v_data = de;
 	de->de_vnode = vp;
 	mtx_unlock(&devfs_de_interlock);
 	error = insmntque1(vp, mp);
 	if (error != 0) {
 		mtx_lock(&devfs_de_interlock);
 		vp->v_data = NULL;
 		de->de_vnode = NULL;
 		mtx_unlock(&devfs_de_interlock);
 		vgone(vp);
 		vput(vp);
 		(void) devfs_allocv_drop_refs(1, dmp, de);
 		return (error);
 	}
 	if (devfs_allocv_drop_refs(0, dmp, de)) {
 		vgone(vp);
 		vput(vp);
 		return (ENOENT);
 	}
 #ifdef MAC
 	mac_devfs_vnode_associate(mp, de, vp);
 #endif
 	sx_xunlock(&dmp->dm_lock);
 	vn_set_state(vp, VSTATE_CONSTRUCTED);
 	*vpp = vp;
 	return (0);
 }
 
 static int
 devfs_access(struct vop_access_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct devfs_dirent *de;
 	struct proc *p;
 	int error;
 
 	de = vp->v_data;
 	if (vp->v_type == VDIR)
 		de = de->de_dir;
 
 	error = vaccess(vp->v_type, de->de_mode, de->de_uid, de->de_gid,
 	    ap->a_accmode, ap->a_cred);
 	if (error == 0)
 		return (0);
 	if (error != EACCES)
 		return (error);
 	p = ap->a_td->td_proc;
 	/* We do, however, allow access to the controlling terminal */
 	PROC_LOCK(p);
 	if (!(p->p_flag & P_CONTROLT)) {
 		PROC_UNLOCK(p);
 		return (error);
 	}
 	if (p->p_session->s_ttydp == de->de_cdp)
 		error = 0;
 	PROC_UNLOCK(p);
 	return (error);
 }
 
 _Static_assert(((FMASK | FCNTLFLAGS) & (FLASTCLOSE | FREVOKE)) == 0,
     "devfs-only flag reuse failed");
 
 static int
 devfs_close(struct vop_close_args *ap)
 {
 	struct vnode *vp = ap->a_vp, *oldvp;
 	struct thread *td = ap->a_td;
 	struct proc *p;
 	struct cdev *dev = vp->v_rdev;
 	struct cdevsw *dsw;
 	struct devfs_dirent *de = vp->v_data;
 	int dflags, error, ref, vp_locked;
 
 	/*
 	 * XXX: Don't call d_close() if we were called because of
 	 * XXX: insmntque() failure.
 	 */
 	if (vp->v_data == NULL)
 		return (0);
 
 	/*
 	 * Hack: a tty device that is a controlling terminal
 	 * has a reference from the session structure.
 	 * We cannot easily tell that a character device is
 	 * a controlling terminal, unless it is the closing
 	 * process' controlling terminal.  In that case,
 	 * if the reference count is 2 (this last descriptor
 	 * plus the session), release the reference from the session.
 	 */
 	if (de->de_usecount == 2 && td != NULL) {
 		p = td->td_proc;
 		PROC_LOCK(p);
 		if (vp == p->p_session->s_ttyvp) {
 			PROC_UNLOCK(p);
 			oldvp = NULL;
 			sx_xlock(&proctree_lock);
 			if (vp == p->p_session->s_ttyvp) {
 				SESS_LOCK(p->p_session);
 				mtx_lock(&devfs_de_interlock);
 				VI_LOCK(vp);
 				if (devfs_usecountl(vp) == 2 && !VN_IS_DOOMED(vp)) {
 					p->p_session->s_ttyvp = NULL;
 					p->p_session->s_ttydp = NULL;
 					oldvp = vp;
 				}
 				VI_UNLOCK(vp);
 				mtx_unlock(&devfs_de_interlock);
 				SESS_UNLOCK(p->p_session);
 			}
 			sx_xunlock(&proctree_lock);
 			if (oldvp != NULL)
 				devfs_ctty_unref(oldvp);
 		} else
 			PROC_UNLOCK(p);
 	}
 	/*
 	 * We do not want to really close the device if it
 	 * is still in use unless we are trying to close it
 	 * forcibly. Since every use (buffer, vnode, swap, cmap)
 	 * holds a reference to the vnode, and because we mark
 	 * any other vnodes that alias this device, when the
 	 * sum of the reference counts on all the aliased
 	 * vnodes descends to one, we are on last close.
 	 */
 	dsw = dev_refthread(dev, &ref);
 	if (dsw == NULL)
 		return (ENXIO);
 	dflags = 0;
 	mtx_lock(&devfs_de_interlock);
 	VI_LOCK(vp);
 	if (devfs_usecountl(vp) == 1)
 		dflags |= FLASTCLOSE;
 	devfs_usecount_subl(vp);
 	mtx_unlock(&devfs_de_interlock);
 	if (VN_IS_DOOMED(vp)) {
 		/* Forced close. */
 		dflags |= FREVOKE | FNONBLOCK;
 	} else if (dsw->d_flags & D_TRACKCLOSE) {
 		/* Keep device updated on status. */
 	} else if ((dflags & FLASTCLOSE) == 0) {
 		VI_UNLOCK(vp);
 		dev_relthread(dev, ref);
 		return (0);
 	}
 	vholdnz(vp);
 	VI_UNLOCK(vp);
 	vp_locked = VOP_ISLOCKED(vp);
 	VOP_UNLOCK(vp);
 	KASSERT(dev->si_refcount > 0,
 	    ("devfs_close() on un-referenced struct cdev *(%s)", devtoname(dev)));
 	error = dsw->d_close(dev, ap->a_fflag | dflags, S_IFCHR, td);
 	dev_relthread(dev, ref);
 	vn_lock(vp, vp_locked | LK_RETRY);
 	vdrop(vp);
 	return (error);
 }
 
 static int
 devfs_close_f(struct file *fp, struct thread *td)
 {
 	int error;
 	struct file *fpop;
 
 	/*
 	 * NB: td may be NULL if this descriptor is closed due to
 	 * garbage collection from a closed UNIX domain socket.
 	 */
 	fpop = curthread->td_fpop;
 	curthread->td_fpop = fp;
 	error = vnops.fo_close(fp, td);
 	curthread->td_fpop = fpop;
 
 	/*
 	 * The f_cdevpriv cannot be assigned non-NULL value while we
 	 * are destroying the file.
 	 */
 	if (fp->f_cdevpriv != NULL)
 		devfs_fpdrop(fp);
 	return (error);
 }
 
 static int
 devfs_getattr(struct vop_getattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vattr *vap = ap->a_vap;
 	struct devfs_dirent *de;
 	struct devfs_mount *dmp;
 	struct cdev *dev;
 	struct timeval boottime;
 	int error;
 
 	error = devfs_populate_vp(vp);
 	if (error != 0)
 		return (error);
 
 	dmp = VFSTODEVFS(vp->v_mount);
 	sx_xunlock(&dmp->dm_lock);
 
 	de = vp->v_data;
 	KASSERT(de != NULL, ("Null dirent in devfs_getattr vp=%p", vp));
 	if (vp->v_type == VDIR) {
 		de = de->de_dir;
 		KASSERT(de != NULL,
 		    ("Null dir dirent in devfs_getattr vp=%p", vp));
 	}
 	vap->va_uid = de->de_uid;
 	vap->va_gid = de->de_gid;
 	vap->va_mode = de->de_mode;
 	if (vp->v_type == VLNK)
 		vap->va_size = strlen(de->de_symlink);
 	else if (vp->v_type == VDIR)
 		vap->va_size = vap->va_bytes = DEV_BSIZE;
 	else
 		vap->va_size = 0;
 	if (vp->v_type != VDIR)
 		vap->va_bytes = 0;
 	vap->va_blocksize = DEV_BSIZE;
 	vap->va_type = vp->v_type;
 
 	getboottime(&boottime);
 #define fix(aa)							\
 	do {							\
 		if ((aa).tv_sec <= 3600) {			\
 			(aa).tv_sec = boottime.tv_sec;		\
 			(aa).tv_nsec = boottime.tv_usec * 1000; \
 		}						\
 	} while (0)
 
 	if (vp->v_type != VCHR)  {
 		fix(de->de_atime);
 		vap->va_atime = de->de_atime;
 		fix(de->de_mtime);
 		vap->va_mtime = de->de_mtime;
 		fix(de->de_ctime);
 		vap->va_ctime = de->de_ctime;
 	} else {
 		dev = vp->v_rdev;
 		fix(dev->si_atime);
 		vap->va_atime = dev->si_atime;
 		fix(dev->si_mtime);
 		vap->va_mtime = dev->si_mtime;
 		fix(dev->si_ctime);
 		vap->va_ctime = dev->si_ctime;
 
 		vap->va_rdev = cdev2priv(dev)->cdp_inode;
 	}
 	vap->va_gen = 0;
 	vap->va_flags = 0;
 	vap->va_filerev = 0;
 	vap->va_nlink = de->de_links;
 	vap->va_fileid = de->de_inode;
 
 	return (error);
 }
 
 /* ARGSUSED */
 static int
 devfs_ioctl_f(struct file *fp, u_long com, void *data, struct ucred *cred, struct thread *td)
 {
 	struct file *fpop;
 	int error;
 
 	fpop = td->td_fpop;
 	td->td_fpop = fp;
 	error = vnops.fo_ioctl(fp, com, data, cred, td);
 	td->td_fpop = fpop;
 	return (error);
 }
 
 void *
 fiodgname_buf_get_ptr(void *fgnp, u_long com)
 {
 	union {
 		struct fiodgname_arg	fgn;
 #ifdef COMPAT_FREEBSD32
 		struct fiodgname_arg32	fgn32;
 #endif
 	} *fgnup;
 
 	fgnup = fgnp;
 	switch (com) {
 	case FIODGNAME:
 		return (fgnup->fgn.buf);
 #ifdef COMPAT_FREEBSD32
 	case FIODGNAME_32:
 		return ((void *)(uintptr_t)fgnup->fgn32.buf);
 #endif
 	default:
 		panic("Unhandled ioctl command %ld", com);
 	}
 }
 
 static int
 devfs_ioctl(struct vop_ioctl_args *ap)
 {
 	struct fiodgname_arg *fgn;
 	struct vnode *vpold, *vp;
 	struct cdevsw *dsw;
 	struct thread *td;
 	struct session *sess;
 	struct cdev *dev;
 	int error, ref, i;
 	const char *p;
 	u_long com;
 
 	vp = ap->a_vp;
 	com = ap->a_command;
 	td = ap->a_td;
 
 	dsw = devvn_refthread(vp, &dev, &ref);
 	if (dsw == NULL)
 		return (ENXIO);
 	KASSERT(dev->si_refcount > 0,
 	    ("devfs: un-referenced struct cdev *(%s)", devtoname(dev)));
 
 	switch (com) {
 	case FIODTYPE:
 		*(int *)ap->a_data = dsw->d_flags & D_TYPEMASK;
 		error = 0;
 		break;
 	case FIODGNAME:
 #ifdef	COMPAT_FREEBSD32
 	case FIODGNAME_32:
 #endif
 		fgn = ap->a_data;
 		p = devtoname(dev);
 		i = strlen(p) + 1;
 		if (i > fgn->len)
 			error = EINVAL;
 		else
 			error = copyout(p, fiodgname_buf_get_ptr(fgn, com), i);
 		break;
 	default:
 		error = dsw->d_ioctl(dev, com, ap->a_data, ap->a_fflag, td);
 	}
 
 	dev_relthread(dev, ref);
 	if (error == ENOIOCTL)
 		error = ENOTTY;
 
 	if (error == 0 && com == TIOCSCTTY) {
 		/*
 		 * Do nothing if reassigning same control tty, or if the
 		 * control tty has already disappeared.  If it disappeared,
 		 * it's because we were racing with TIOCNOTTY.  TIOCNOTTY
 		 * already took care of releasing the old vnode and we have
 		 * nothing left to do.
 		 */
 		sx_slock(&proctree_lock);
 		sess = td->td_proc->p_session;
 		if (sess->s_ttyvp == vp || sess->s_ttyp == NULL) {
 			sx_sunlock(&proctree_lock);
 			return (0);
 		}
 
 		devfs_ctty_ref(vp);
 		SESS_LOCK(sess);
 		vpold = sess->s_ttyvp;
 		sess->s_ttyvp = vp;
 		sess->s_ttydp = cdev2priv(dev);
 		SESS_UNLOCK(sess);
 
 		sx_sunlock(&proctree_lock);
 
 		/* Get rid of reference to old control tty */
 		if (vpold)
 			devfs_ctty_unref(vpold);
 	}
 	return (error);
 }
 
 /* ARGSUSED */
 static int
 devfs_kqfilter_f(struct file *fp, struct knote *kn)
 {
 	struct cdev *dev;
 	struct cdevsw *dsw;
 	int error, ref;
 	struct file *fpop;
 	struct thread *td;
 
 	td = curthread;
 	fpop = td->td_fpop;
 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
 	if (error)
 		return (error);
 	error = dsw->d_kqfilter(dev, kn);
 	td->td_fpop = fpop;
 	dev_relthread(dev, ref);
 	return (error);
 }
 
 static inline int
 devfs_prison_check(struct devfs_dirent *de, struct thread *td)
 {
 	struct cdev_priv *cdp;
 	struct ucred *dcr;
 	struct proc *p;
 	int error;
 
 	cdp = de->de_cdp;
 	if (cdp == NULL)
 		return (0);
 	dcr = cdp->cdp_c.si_cred;
 	if (dcr == NULL)
 		return (0);
 
 	error = prison_check(td->td_ucred, dcr);
 	if (error == 0)
 		return (0);
 	/* We do, however, allow access to the controlling terminal */
 	p = td->td_proc;
 	PROC_LOCK(p);
 	if (!(p->p_flag & P_CONTROLT)) {
 		PROC_UNLOCK(p);
 		return (error);
 	}
 	if (p->p_session->s_ttydp == cdp)
 		error = 0;
 	PROC_UNLOCK(p);
 	return (error);
 }
 
 static int
 devfs_lookupx(struct vop_lookup_args *ap, int *dm_unlock)
 {
 	struct componentname *cnp;
 	struct vnode *dvp, **vpp;
 	struct thread *td;
 	struct devfs_dirent *de, *dd;
 	struct devfs_dirent **dde;
 	struct devfs_mount *dmp;
 	struct mount *mp;
 	struct cdev *cdev;
 	int error, flags, nameiop, dvplocked;
 	char specname[SPECNAMELEN + 1], *pname;
 
 	td = curthread;
 	cnp = ap->a_cnp;
 	vpp = ap->a_vpp;
 	dvp = ap->a_dvp;
 	pname = cnp->cn_nameptr;
 	flags = cnp->cn_flags;
 	nameiop = cnp->cn_nameiop;
 	mp = dvp->v_mount;
 	dmp = VFSTODEVFS(mp);
 	dd = dvp->v_data;
 	*vpp = NULL;
 
 	if ((flags & ISLASTCN) && nameiop == RENAME)
 		return (EOPNOTSUPP);
 
 	if (dvp->v_type != VDIR)
 		return (ENOTDIR);
 
 	if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT))
 		return (EIO);
 
 	error = vn_dir_check_exec(dvp, cnp);
 	if (error != 0)
 		return (error);
 
 	if (cnp->cn_namelen == 1 && *pname == '.') {
 		if ((flags & ISLASTCN) && nameiop != LOOKUP)
 			return (EINVAL);
 		*vpp = dvp;
-		VREF(dvp);
+		vref(dvp);
 		return (0);
 	}
 
 	if (flags & ISDOTDOT) {
 		if ((flags & ISLASTCN) && nameiop != LOOKUP)
 			return (EINVAL);
 		de = devfs_parent_dirent(dd);
 		if (de == NULL)
 			return (ENOENT);
 		dvplocked = VOP_ISLOCKED(dvp);
 		VOP_UNLOCK(dvp);
 		error = devfs_allocv(de, mp, cnp->cn_lkflags & LK_TYPE_MASK,
 		    vpp);
 		*dm_unlock = 0;
 		vn_lock(dvp, dvplocked | LK_RETRY);
 		return (error);
 	}
 
 	dd = dvp->v_data;
 	de = devfs_find(dd, cnp->cn_nameptr, cnp->cn_namelen, 0);
 	while (de == NULL) {	/* While(...) so we can use break */
 
 		if (nameiop == DELETE)
 			return (ENOENT);
 
 		/*
 		 * OK, we didn't have an entry for the name we were asked for
 		 * so we try to see if anybody can create it on demand.
 		 */
 		pname = devfs_fqpn(specname, dmp, dd, cnp);
 		if (pname == NULL)
 			break;
 
 		cdev = NULL;
 		DEVFS_DMP_HOLD(dmp);
 		sx_xunlock(&dmp->dm_lock);
 		EVENTHANDLER_INVOKE(dev_clone,
 		    td->td_ucred, pname, strlen(pname), &cdev);
 
 		if (cdev == NULL)
 			sx_xlock(&dmp->dm_lock);
 		else if (devfs_populate_vp(dvp) != 0) {
 			*dm_unlock = 0;
 			sx_xlock(&dmp->dm_lock);
 			if (DEVFS_DMP_DROP(dmp)) {
 				sx_xunlock(&dmp->dm_lock);
 				devfs_unmount_final(dmp);
 			} else
 				sx_xunlock(&dmp->dm_lock);
 			dev_rel(cdev);
 			return (ENOENT);
 		}
 		if (DEVFS_DMP_DROP(dmp)) {
 			*dm_unlock = 0;
 			sx_xunlock(&dmp->dm_lock);
 			devfs_unmount_final(dmp);
 			if (cdev != NULL)
 				dev_rel(cdev);
 			return (ENOENT);
 		}
 
 		if (cdev == NULL)
 			break;
 
 		dev_lock();
 		dde = &cdev2priv(cdev)->cdp_dirents[dmp->dm_idx];
 		if (dde != NULL && *dde != NULL)
 			de = *dde;
 		dev_unlock();
 		dev_rel(cdev);
 		break;
 	}
 
 	if (de == NULL || de->de_flags & DE_WHITEOUT) {
 		if ((nameiop == CREATE || nameiop == RENAME) &&
 		    (flags & (LOCKPARENT | WANTPARENT)) && (flags & ISLASTCN)) {
 			return (EJUSTRETURN);
 		}
 		return (ENOENT);
 	}
 
 	if (devfs_prison_check(de, td))
 		return (ENOENT);
 
 	if ((cnp->cn_nameiop == DELETE) && (flags & ISLASTCN)) {
 		error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
 		if (error)
 			return (error);
 		if (*vpp == dvp) {
-			VREF(dvp);
+			vref(dvp);
 			*vpp = dvp;
 			return (0);
 		}
 	}
 	error = devfs_allocv(de, mp, cnp->cn_lkflags & LK_TYPE_MASK, vpp);
 	*dm_unlock = 0;
 	return (error);
 }
 
 static int
 devfs_lookup(struct vop_lookup_args *ap)
 {
 	int j;
 	struct devfs_mount *dmp;
 	int dm_unlock;
 
 	if (devfs_populate_vp(ap->a_dvp) != 0)
 		return (ENOTDIR);
 
 	dmp = VFSTODEVFS(ap->a_dvp->v_mount);
 	dm_unlock = 1;
 	j = devfs_lookupx(ap, &dm_unlock);
 	if (dm_unlock == 1)
 		sx_xunlock(&dmp->dm_lock);
 	return (j);
 }
 
 static int
 devfs_mknod(struct vop_mknod_args *ap)
 {
 	struct componentname *cnp;
 	struct vnode *dvp, **vpp;
 	struct devfs_dirent *dd, *de;
 	struct devfs_mount *dmp;
 	int error;
 
 	/*
 	 * The only type of node we should be creating here is a
 	 * character device, for anything else return EOPNOTSUPP.
 	 */
 	if (ap->a_vap->va_type != VCHR)
 		return (EOPNOTSUPP);
 	dvp = ap->a_dvp;
 	dmp = VFSTODEVFS(dvp->v_mount);
 
 	cnp = ap->a_cnp;
 	vpp = ap->a_vpp;
 	dd = dvp->v_data;
 
 	error = ENOENT;
 	sx_xlock(&dmp->dm_lock);
 	TAILQ_FOREACH(de, &dd->de_dlist, de_list) {
 		if (cnp->cn_namelen != de->de_dirent->d_namlen)
 			continue;
 		if (de->de_dirent->d_type == DT_CHR &&
 		    (de->de_cdp->cdp_flags & CDP_ACTIVE) == 0)
 			continue;
 		if (bcmp(cnp->cn_nameptr, de->de_dirent->d_name,
 		    de->de_dirent->d_namlen) != 0)
 			continue;
 		if (de->de_flags & DE_WHITEOUT)
 			break;
 		goto notfound;
 	}
 	if (de == NULL)
 		goto notfound;
 	de->de_flags &= ~DE_WHITEOUT;
 	error = devfs_allocv(de, dvp->v_mount, LK_EXCLUSIVE, vpp);
 	return (error);
 notfound:
 	sx_xunlock(&dmp->dm_lock);
 	return (error);
 }
 
 /* ARGSUSED */
 static int
 devfs_open(struct vop_open_args *ap)
 {
 	struct thread *td = ap->a_td;
 	struct vnode *vp = ap->a_vp;
 	struct cdev *dev = vp->v_rdev;
 	struct file *fp = ap->a_fp;
 	int error, ref, vlocked;
 	struct cdevsw *dsw;
 	struct file *fpop;
 
 	if (vp->v_type == VBLK)
 		return (ENXIO);
 
 	if (dev == NULL)
 		return (ENXIO);
 
 	/* Make this field valid before any I/O in d_open. */
 	if (dev->si_iosize_max == 0)
 		dev->si_iosize_max = DFLTPHYS;
 
 	dsw = dev_refthread(dev, &ref);
 	if (dsw == NULL)
 		return (ENXIO);
 	if (fp == NULL && dsw->d_fdopen != NULL) {
 		dev_relthread(dev, ref);
 		return (ENXIO);
 	}
 
 	if (vp->v_type == VCHR)
 		devfs_usecount_add(vp);
 
 	vlocked = VOP_ISLOCKED(vp);
 	VOP_UNLOCK(vp);
 
 	fpop = td->td_fpop;
 	td->td_fpop = fp;
 	if (fp != NULL) {
 		fp->f_data = dev;
 		fp->f_vnode = vp;
 	}
 	if (dsw->d_fdopen != NULL)
 		error = dsw->d_fdopen(dev, ap->a_mode, td, fp);
 	else
 		error = dsw->d_open(dev, ap->a_mode, S_IFCHR, td);
 	/* Clean up any cdevpriv upon error. */
 	if (error != 0)
 		devfs_clear_cdevpriv();
 	td->td_fpop = fpop;
 
 	vn_lock(vp, vlocked | LK_RETRY);
 	if (error != 0 && vp->v_type == VCHR)
 		devfs_usecount_sub(vp);
 
 	dev_relthread(dev, ref);
 	if (error != 0) {
 		if (error == ERESTART)
 			error = EINTR;
 		return (error);
 	}
 
 #if 0	/* /dev/console */
 	KASSERT(fp != NULL, ("Could not vnode bypass device on NULL fp"));
 #else
 	if (fp == NULL)
 		return (error);
 #endif
 	if (fp->f_ops == &badfileops)
 		finit(fp, fp->f_flag, DTYPE_VNODE, dev, &devfs_ops_f);
 	return (error);
 }
 
 static int
 devfs_pathconf(struct vop_pathconf_args *ap)
 {
 
 	switch (ap->a_name) {
 	case _PC_FILESIZEBITS:
 		*ap->a_retval = 64;
 		return (0);
 	case _PC_NAME_MAX:
 		*ap->a_retval = NAME_MAX;
 		return (0);
 	case _PC_LINK_MAX:
 		*ap->a_retval = INT_MAX;
 		return (0);
 	case _PC_SYMLINK_MAX:
 		*ap->a_retval = MAXPATHLEN;
 		return (0);
 	case _PC_MAX_CANON:
 		if (ap->a_vp->v_vflag & VV_ISTTY) {
 			*ap->a_retval = MAX_CANON;
 			return (0);
 		}
 		return (EINVAL);
 	case _PC_MAX_INPUT:
 		if (ap->a_vp->v_vflag & VV_ISTTY) {
 			*ap->a_retval = MAX_INPUT;
 			return (0);
 		}
 		return (EINVAL);
 	case _PC_VDISABLE:
 		if (ap->a_vp->v_vflag & VV_ISTTY) {
 			*ap->a_retval = _POSIX_VDISABLE;
 			return (0);
 		}
 		return (EINVAL);
 	case _PC_MAC_PRESENT:
 #ifdef MAC
 		/*
 		 * If MAC is enabled, devfs automatically supports
 		 * trivial non-persistent label storage.
 		 */
 		*ap->a_retval = 1;
 #else
 		*ap->a_retval = 0;
 #endif
 		return (0);
 	case _PC_CHOWN_RESTRICTED:
 		*ap->a_retval = 1;
 		return (0);
 	default:
 		return (vop_stdpathconf(ap));
 	}
 	/* NOTREACHED */
 }
 
 /* ARGSUSED */
 static int
 devfs_poll_f(struct file *fp, int events, struct ucred *cred, struct thread *td)
 {
 	struct cdev *dev;
 	struct cdevsw *dsw;
 	int error, ref;
 	struct file *fpop;
 
 	fpop = td->td_fpop;
 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
 	if (error != 0) {
 		error = vnops.fo_poll(fp, events, cred, td);
 		return (error);
 	}
 	error = dsw->d_poll(dev, events, td);
 	td->td_fpop = fpop;
 	dev_relthread(dev, ref);
 	return(error);
 }
 
 /*
  * Print out the contents of a special device vnode.
  */
 static int
 devfs_print(struct vop_print_args *ap)
 {
 
 	printf("\tdev %s\n", devtoname(ap->a_vp->v_rdev));
 	return (0);
 }
 
 static int
 devfs_read_f(struct file *fp, struct uio *uio, struct ucred *cred,
     int flags, struct thread *td)
 {
 	struct cdev *dev;
 	int ioflag, error, ref;
 	ssize_t resid;
 	struct cdevsw *dsw;
 	struct file *fpop;
 
 	if (uio->uio_resid > DEVFS_IOSIZE_MAX)
 		return (EINVAL);
 	fpop = td->td_fpop;
 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
 	if (error != 0) {
 		error = vnops.fo_read(fp, uio, cred, flags, td);
 		return (error);
 	}
 	resid = uio->uio_resid;
 	ioflag = fp->f_flag & (O_NONBLOCK | O_DIRECT);
 	if (ioflag & O_DIRECT)
 		ioflag |= IO_DIRECT;
 
 	foffset_lock_uio(fp, uio, flags | FOF_NOLOCK);
 	error = dsw->d_read(dev, uio, ioflag);
 	if (uio->uio_resid != resid || (error == 0 && resid != 0))
 		devfs_timestamp(&dev->si_atime);
 	td->td_fpop = fpop;
 	dev_relthread(dev, ref);
 
 	foffset_unlock_uio(fp, uio, flags | FOF_NOLOCK | FOF_NEXTOFF_R);
 	return (error);
 }
 
 static int
 devfs_readdir(struct vop_readdir_args *ap)
 {
 	int error;
 	struct uio *uio;
 	struct dirent *dp;
 	struct devfs_dirent *dd;
 	struct devfs_dirent *de;
 	struct devfs_mount *dmp;
 	off_t off;
 	int *tmp_ncookies = NULL;
 	ssize_t startresid;
 
 	if (ap->a_vp->v_type != VDIR)
 		return (ENOTDIR);
 
 	uio = ap->a_uio;
 	if (uio->uio_offset < 0)
 		return (EINVAL);
 
 	/*
 	 * XXX: This is a temporary hack to get around this filesystem not
 	 * supporting cookies. We store the location of the ncookies pointer
 	 * in a temporary variable before calling vfs_subr.c:vfs_read_dirent()
 	 * and set the number of cookies to 0. We then set the pointer to
 	 * NULL so that vfs_read_dirent doesn't try to call realloc() on 
 	 * ap->a_cookies. Later in this function, we restore the ap->a_ncookies
 	 * pointer to its original location before returning to the caller.
 	 */
 	if (ap->a_ncookies != NULL) {
 		tmp_ncookies = ap->a_ncookies;
 		*ap->a_ncookies = 0;
 		ap->a_ncookies = NULL;
 	}
 
 	dmp = VFSTODEVFS(ap->a_vp->v_mount);
 	if (devfs_populate_vp(ap->a_vp) != 0) {
 		if (tmp_ncookies != NULL)
 			ap->a_ncookies = tmp_ncookies;
 		return (EIO);
 	}
 	error = 0;
 	de = ap->a_vp->v_data;
 	off = 0;
 	startresid = uio->uio_resid;
 	TAILQ_FOREACH(dd, &de->de_dlist, de_list) {
 		KASSERT(dd->de_cdp != (void *)0xdeadc0de, ("%s %d\n", __func__, __LINE__));
 		if (dd->de_flags & (DE_COVERED | DE_WHITEOUT))
 			continue;
 		if (devfs_prison_check(dd, uio->uio_td))
 			continue;
 		if (dd->de_dirent->d_type == DT_DIR)
 			de = dd->de_dir;
 		else
 			de = dd;
 		dp = dd->de_dirent;
 		MPASS(dp->d_reclen == GENERIC_DIRSIZ(dp));
 		if (dp->d_reclen > uio->uio_resid) {
 			/* Nothing was copied out, return EINVAL. */
 			if (uio->uio_resid == startresid)
 				error = EINVAL;
 			/* Otherwise stop. */
 			break;
 		}
 		dp->d_fileno = de->de_inode;
 		/* NOTE: d_off is the offset for the *next* entry. */
 		dp->d_off = off + dp->d_reclen;
 		if (off >= uio->uio_offset) {
 			error = vfs_read_dirent(ap, dp, off);
 			if (error)
 				break;
 		}
 		off += dp->d_reclen;
 	}
 	sx_xunlock(&dmp->dm_lock);
 	uio->uio_offset = off;
 
 	/*
 	 * Restore ap->a_ncookies if it wasn't originally NULL in the first
 	 * place.
 	 */
 	if (tmp_ncookies != NULL)
 		ap->a_ncookies = tmp_ncookies;
 	if (dd == NULL && error == 0 && ap->a_eofflag != NULL)
 		*ap->a_eofflag = 1;
 
 	return (error);
 }
 
 static int
 devfs_readlink(struct vop_readlink_args *ap)
 {
 	struct devfs_dirent *de;
 
 	de = ap->a_vp->v_data;
 	return (uiomove(de->de_symlink, strlen(de->de_symlink), ap->a_uio));
 }
 
 static void
 devfs_reclaiml(struct vnode *vp)
 {
 	struct devfs_dirent *de;
 
 	mtx_assert(&devfs_de_interlock, MA_OWNED);
 	de = vp->v_data;
 	if (de != NULL) {
 		MPASS(de->de_usecount == 0);
 		de->de_vnode = NULL;
 		vp->v_data = NULL;
 	}
 }
 
 static int
 devfs_reclaim(struct vop_reclaim_args *ap)
 {
 	struct vnode *vp;
 
 	vp = ap->a_vp;
 	mtx_lock(&devfs_de_interlock);
 	devfs_reclaiml(vp);
 	mtx_unlock(&devfs_de_interlock);
 	return (0);
 }
 
 static int
 devfs_reclaim_vchr(struct vop_reclaim_args *ap)
 {
 	struct vnode *vp;
 	struct cdev *dev;
 
 	vp = ap->a_vp;
 	MPASS(vp->v_type == VCHR);
 
 	mtx_lock(&devfs_de_interlock);
 	VI_LOCK(vp);
 	devfs_usecount_subl(vp);
 	devfs_reclaiml(vp);
 	mtx_unlock(&devfs_de_interlock);
 	dev_lock();
 	dev = vp->v_rdev;
 	vp->v_rdev = NULL;
 	dev_unlock();
 	VI_UNLOCK(vp);
 	if (dev != NULL)
 		dev_rel(dev);
 	return (0);
 }
 
 static int
 devfs_remove(struct vop_remove_args *ap)
 {
 	struct vnode *dvp = ap->a_dvp;
 	struct vnode *vp = ap->a_vp;
 	struct devfs_dirent *dd;
 	struct devfs_dirent *de, *de_covered;
 	struct devfs_mount *dmp = VFSTODEVFS(vp->v_mount);
 
 	ASSERT_VOP_ELOCKED(dvp, "devfs_remove");
 	ASSERT_VOP_ELOCKED(vp, "devfs_remove");
 
 	sx_xlock(&dmp->dm_lock);
 	dd = ap->a_dvp->v_data;
 	de = vp->v_data;
 	if (de->de_cdp == NULL) {
 		TAILQ_REMOVE(&dd->de_dlist, de, de_list);
 		if (de->de_dirent->d_type == DT_LNK) {
 			de_covered = devfs_find(dd, de->de_dirent->d_name,
 			    de->de_dirent->d_namlen, 0);
 			if (de_covered != NULL)
 				de_covered->de_flags &= ~DE_COVERED;
 		}
 		/* We need to unlock dvp because devfs_delete() may lock it. */
 		VOP_UNLOCK(vp);
 		if (dvp != vp)
 			VOP_UNLOCK(dvp);
 		devfs_delete(dmp, de, 0);
 		sx_xunlock(&dmp->dm_lock);
 		if (dvp != vp)
 			vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	} else {
 		de->de_flags |= DE_WHITEOUT;
 		sx_xunlock(&dmp->dm_lock);
 	}
 	return (0);
 }
 
 /*
  * Revoke is called on a tty when a terminal session ends.  The vnode
  * is orphaned by setting v_op to deadfs so we need to let go of it
  * as well so that we create a new one next time around.
  *
  */
 static int
 devfs_revoke(struct vop_revoke_args *ap)
 {
 	struct vnode *vp = ap->a_vp, *vp2;
 	struct cdev *dev;
 	struct cdev_priv *cdp;
 	struct devfs_dirent *de;
 	enum vgetstate vs;
 	u_int i;
 
 	KASSERT((ap->a_flags & REVOKEALL) != 0, ("devfs_revoke !REVOKEALL"));
 
 	dev = vp->v_rdev;
 	cdp = cdev2priv(dev);
 
 	dev_lock();
 	cdp->cdp_inuse++;
 	dev_unlock();
 
 	vhold(vp);
 	vgone(vp);
 	vdrop(vp);
 
 	VOP_UNLOCK(vp);
  loop:
 	for (;;) {
 		mtx_lock(&devfs_de_interlock);
 		dev_lock();
 		vp2 = NULL;
 		for (i = 0; i <= cdp->cdp_maxdirent; i++) {
 			de = cdp->cdp_dirents[i];
 			if (de == NULL)
 				continue;
 
 			vp2 = de->de_vnode;
 			if (vp2 != NULL) {
 				dev_unlock();
 				vs = vget_prep(vp2);
 				mtx_unlock(&devfs_de_interlock);
 				if (vget_finish(vp2, LK_EXCLUSIVE, vs) != 0)
 					goto loop;
 				vhold(vp2);
 				vgone(vp2);
 				vdrop(vp2);
 				vput(vp2);
 				break;
 			}
 		}
 		if (vp2 != NULL) {
 			continue;
 		}
 		dev_unlock();
 		mtx_unlock(&devfs_de_interlock);
 		break;
 	}
 	dev_lock();
 	cdp->cdp_inuse--;
 	if (!(cdp->cdp_flags & CDP_ACTIVE) && cdp->cdp_inuse == 0) {
 		KASSERT((cdp->cdp_flags & CDP_ON_ACTIVE_LIST) != 0,
 		    ("%s: cdp %p (%s) not on active list",
 		    __func__, cdp, dev->si_name));
 		cdp->cdp_flags &= ~CDP_ON_ACTIVE_LIST;
 		TAILQ_REMOVE(&cdevp_list, cdp, cdp_list);
 		dev_unlock();
 		dev_rel(&cdp->cdp_c);
 	} else
 		dev_unlock();
 
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	return (0);
 }
 
 static int
 devfs_rioctl(struct vop_ioctl_args *ap)
 {
 	struct vnode *vp;
 	struct devfs_mount *dmp;
 	int error;
 
 	vp = ap->a_vp;
 	vn_lock(vp, LK_SHARED | LK_RETRY);
 	if (VN_IS_DOOMED(vp)) {
 		VOP_UNLOCK(vp);
 		return (EBADF);
 	}
 	dmp = VFSTODEVFS(vp->v_mount);
 	sx_xlock(&dmp->dm_lock);
 	VOP_UNLOCK(vp);
 	DEVFS_DMP_HOLD(dmp);
 	devfs_populate(dmp);
 	if (DEVFS_DMP_DROP(dmp)) {
 		sx_xunlock(&dmp->dm_lock);
 		devfs_unmount_final(dmp);
 		return (ENOENT);
 	}
 	error = devfs_rules_ioctl(dmp, ap->a_command, ap->a_data, ap->a_td);
 	sx_xunlock(&dmp->dm_lock);
 	return (error);
 }
 
 static int
 devfs_rread(struct vop_read_args *ap)
 {
 
 	if (ap->a_vp->v_type != VDIR)
 		return (EINVAL);
 	return (VOP_READDIR(ap->a_vp, ap->a_uio, ap->a_cred, NULL, NULL, NULL));
 }
 
 static int
 devfs_setattr(struct vop_setattr_args *ap)
 {
 	struct devfs_dirent *de;
 	struct vattr *vap;
 	struct vnode *vp;
 	struct thread *td;
 	int c, error;
 	uid_t uid;
 	gid_t gid;
 
 	vap = ap->a_vap;
 	vp = ap->a_vp;
 	td = curthread;
 	if ((vap->va_type != VNON) ||
 	    (vap->va_nlink != VNOVAL) ||
 	    (vap->va_fsid != VNOVAL) ||
 	    (vap->va_fileid != VNOVAL) ||
 	    (vap->va_blocksize != VNOVAL) ||
 	    (vap->va_flags != VNOVAL && vap->va_flags != 0) ||
 	    (vap->va_rdev != VNOVAL) ||
 	    ((int)vap->va_bytes != VNOVAL) ||
 	    (vap->va_gen != VNOVAL)) {
 		return (EINVAL);
 	}
 
 	error = devfs_populate_vp(vp);
 	if (error != 0)
 		return (error);
 
 	de = vp->v_data;
 	if (vp->v_type == VDIR)
 		de = de->de_dir;
 
 	c = 0;
 	if (vap->va_uid == (uid_t)VNOVAL)
 		uid = de->de_uid;
 	else
 		uid = vap->va_uid;
 	if (vap->va_gid == (gid_t)VNOVAL)
 		gid = de->de_gid;
 	else
 		gid = vap->va_gid;
 	if (uid != de->de_uid || gid != de->de_gid) {
 		if ((ap->a_cred->cr_uid != de->de_uid) || uid != de->de_uid ||
 		    (gid != de->de_gid && !groupmember(gid, ap->a_cred))) {
 			error = priv_check(td, PRIV_VFS_CHOWN);
 			if (error != 0)
 				goto ret;
 		}
 		de->de_uid = uid;
 		de->de_gid = gid;
 		c = 1;
 	}
 
 	if (vap->va_mode != (mode_t)VNOVAL) {
 		if (ap->a_cred->cr_uid != de->de_uid) {
 			error = priv_check(td, PRIV_VFS_ADMIN);
 			if (error != 0)
 				goto ret;
 		}
 		de->de_mode = vap->va_mode;
 		c = 1;
 	}
 
 	if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
 		error = vn_utimes_perm(vp, vap, ap->a_cred, td);
 		if (error != 0)
 			goto ret;
 		if (vap->va_atime.tv_sec != VNOVAL) {
 			if (vp->v_type == VCHR)
 				vp->v_rdev->si_atime = vap->va_atime;
 			else
 				de->de_atime = vap->va_atime;
 		}
 		if (vap->va_mtime.tv_sec != VNOVAL) {
 			if (vp->v_type == VCHR)
 				vp->v_rdev->si_mtime = vap->va_mtime;
 			else
 				de->de_mtime = vap->va_mtime;
 		}
 		c = 1;
 	}
 
 	if (c) {
 		if (vp->v_type == VCHR)
 			vfs_timestamp(&vp->v_rdev->si_ctime);
 		else
 			vfs_timestamp(&de->de_mtime);
 	}
 
 ret:
 	sx_xunlock(&VFSTODEVFS(vp->v_mount)->dm_lock);
 	return (error);
 }
 
 #ifdef MAC
 static int
 devfs_setlabel(struct vop_setlabel_args *ap)
 {
 	struct vnode *vp;
 	struct devfs_dirent *de;
 
 	vp = ap->a_vp;
 	de = vp->v_data;
 
 	mac_vnode_relabel(ap->a_cred, vp, ap->a_label);
 	mac_devfs_update(vp->v_mount, de, vp);
 
 	return (0);
 }
 #endif
 
 static int
 devfs_stat_f(struct file *fp, struct stat *sb, struct ucred *cred)
 {
 
 	return (vnops.fo_stat(fp, sb, cred));
 }
 
 static int
 devfs_symlink(struct vop_symlink_args *ap)
 {
 	int i, error;
 	struct devfs_dirent *dd;
 	struct devfs_dirent *de, *de_covered, *de_dotdot;
 	struct devfs_mount *dmp;
 
 	error = priv_check(curthread, PRIV_DEVFS_SYMLINK);
 	if (error)
 		return(error);
 	dmp = VFSTODEVFS(ap->a_dvp->v_mount);
 	if (devfs_populate_vp(ap->a_dvp) != 0)
 		return (ENOENT);
 
 	dd = ap->a_dvp->v_data;
 	de = devfs_newdirent(ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen);
 	de->de_flags = DE_USER;
 	de->de_uid = 0;
 	de->de_gid = 0;
 	de->de_mode = 0755;
 	de->de_inode = alloc_unr(devfs_inos);
 	de->de_dir = dd;
 	de->de_dirent->d_type = DT_LNK;
 	i = strlen(ap->a_target) + 1;
 	de->de_symlink = malloc(i, M_DEVFS, M_WAITOK);
 	bcopy(ap->a_target, de->de_symlink, i);
 #ifdef MAC
 	mac_devfs_create_symlink(ap->a_cnp->cn_cred, dmp->dm_mount, dd, de);
 #endif
 	de_covered = devfs_find(dd, de->de_dirent->d_name,
 	    de->de_dirent->d_namlen, 0);
 	if (de_covered != NULL) {
 		if ((de_covered->de_flags & DE_USER) != 0) {
 			devfs_delete(dmp, de, DEVFS_DEL_NORECURSE);
 			sx_xunlock(&dmp->dm_lock);
 			return (EEXIST);
 		}
 		KASSERT((de_covered->de_flags & DE_COVERED) == 0,
 		    ("devfs_symlink: entry %p already covered", de_covered));
 		de_covered->de_flags |= DE_COVERED;
 	}
 
 	de_dotdot = TAILQ_FIRST(&dd->de_dlist);		/* "." */
 	de_dotdot = TAILQ_NEXT(de_dotdot, de_list);	/* ".." */
 	TAILQ_INSERT_AFTER(&dd->de_dlist, de_dotdot, de, de_list);
 	devfs_dir_ref_de(dmp, dd);
 	devfs_rules_apply(dmp, de);
 
 	return (devfs_allocv(de, ap->a_dvp->v_mount, LK_EXCLUSIVE, ap->a_vpp));
 }
 
 static int
 devfs_truncate_f(struct file *fp, off_t length, struct ucred *cred, struct thread *td)
 {
 
 	return (vnops.fo_truncate(fp, length, cred, td));
 }
 
 static int
 devfs_write_f(struct file *fp, struct uio *uio, struct ucred *cred,
     int flags, struct thread *td)
 {
 	struct cdev *dev;
 	int error, ioflag, ref;
 	ssize_t resid;
 	struct cdevsw *dsw;
 	struct file *fpop;
 
 	if (uio->uio_resid > DEVFS_IOSIZE_MAX)
 		return (EINVAL);
 	fpop = td->td_fpop;
 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
 	if (error != 0) {
 		error = vnops.fo_write(fp, uio, cred, flags, td);
 		return (error);
 	}
 	KASSERT(uio->uio_td == td, ("uio_td %p is not td %p", uio->uio_td, td));
 	ioflag = fp->f_flag & (O_NONBLOCK | O_DIRECT | O_FSYNC);
 	if (ioflag & O_DIRECT)
 		ioflag |= IO_DIRECT;
 	foffset_lock_uio(fp, uio, flags | FOF_NOLOCK);
 
 	resid = uio->uio_resid;
 
 	error = dsw->d_write(dev, uio, ioflag);
 	if (uio->uio_resid != resid || (error == 0 && resid != 0)) {
 		devfs_timestamp(&dev->si_ctime);
 		dev->si_mtime = dev->si_ctime;
 	}
 	td->td_fpop = fpop;
 	dev_relthread(dev, ref);
 
 	foffset_unlock_uio(fp, uio, flags | FOF_NOLOCK | FOF_NEXTOFF_W);
 	return (error);
 }
 
 static int
 devfs_mmap_f(struct file *fp, vm_map_t map, vm_offset_t *addr, vm_size_t size,
     vm_prot_t prot, vm_prot_t cap_maxprot, int flags, vm_ooffset_t foff,
     struct thread *td)
 {
 	struct cdev *dev;
 	struct cdevsw *dsw;
 	struct mount *mp;
 	struct vnode *vp;
 	struct file *fpop;
 	vm_object_t object;
 	vm_prot_t maxprot;
 	int error, ref;
 
 	vp = fp->f_vnode;
 
 	/*
 	 * Ensure that file and memory protections are
 	 * compatible.
 	 */
 	mp = vp->v_mount;
 	if (mp != NULL && (mp->mnt_flag & MNT_NOEXEC) != 0) {
 		maxprot = VM_PROT_NONE;
 		if ((prot & VM_PROT_EXECUTE) != 0)
 			return (EACCES);
 	} else
 		maxprot = VM_PROT_EXECUTE;
 	if ((fp->f_flag & FREAD) != 0)
 		maxprot |= VM_PROT_READ;
 	else if ((prot & VM_PROT_READ) != 0)
 		return (EACCES);
 
 	/*
 	 * If we are sharing potential changes via MAP_SHARED and we
 	 * are trying to get write permission although we opened it
 	 * without asking for it, bail out.
 	 *
 	 * Note that most character devices always share mappings.
 	 * The one exception is that D_MMAP_ANON devices
 	 * (i.e. /dev/zero) permit private writable mappings.
 	 *
 	 * Rely on vm_mmap_cdev() to fail invalid MAP_PRIVATE requests
 	 * as well as updating maxprot to permit writing for
 	 * D_MMAP_ANON devices rather than doing that here.
 	 */
 	if ((flags & MAP_SHARED) != 0) {
 		if ((fp->f_flag & FWRITE) != 0)
 			maxprot |= VM_PROT_WRITE;
 		else if ((prot & VM_PROT_WRITE) != 0)
 			return (EACCES);
 	}
 	maxprot &= cap_maxprot;
 
 	fpop = td->td_fpop;
 	error = devfs_fp_check(fp, &dev, &dsw, &ref);
 	if (error != 0)
 		return (error);
 
 	error = vm_mmap_cdev(td, size, prot, &maxprot, &flags, dev, dsw, &foff,
 	    &object);
 	td->td_fpop = fpop;
 	dev_relthread(dev, ref);
 	if (error != 0)
 		return (error);
 
 	error = vm_mmap_object(map, addr, size, prot, maxprot, flags, object,
 	    foff, FALSE, td);
 	if (error != 0)
 		vm_object_deallocate(object);
 	return (error);
 }
 
 dev_t
 dev2udev(struct cdev *x)
 {
 	if (x == NULL)
 		return (NODEV);
 	return (cdev2priv(x)->cdp_inode);
 }
 
 static int
 devfs_cmp_f(struct file *fp1, struct file *fp2, struct thread *td)
 {
 	if (fp2->f_type != DTYPE_VNODE || fp2->f_ops != &devfs_ops_f)
 		return (3);
 	return (kcmp_cmp((uintptr_t)fp1->f_data, (uintptr_t)fp2->f_data));
 }
 
 static const struct fileops devfs_ops_f = {
 	.fo_read =	devfs_read_f,
 	.fo_write =	devfs_write_f,
 	.fo_truncate =	devfs_truncate_f,
 	.fo_ioctl =	devfs_ioctl_f,
 	.fo_poll =	devfs_poll_f,
 	.fo_kqfilter =	devfs_kqfilter_f,
 	.fo_stat =	devfs_stat_f,
 	.fo_close =	devfs_close_f,
 	.fo_chmod =	vn_chmod,
 	.fo_chown =	vn_chown,
 	.fo_sendfile =	vn_sendfile,
 	.fo_seek =	vn_seek,
 	.fo_fill_kinfo = vn_fill_kinfo,
 	.fo_mmap =	devfs_mmap_f,
 	.fo_cmp =	devfs_cmp_f,
 	.fo_flags =	DFLAG_PASSABLE | DFLAG_SEEKABLE
 };
 
 /* Vops for non-CHR vnodes in /dev. */
 static struct vop_vector devfs_vnodeops = {
 	.vop_default =		&default_vnodeops,
 
 	.vop_access =		devfs_access,
 	.vop_getattr =		devfs_getattr,
 	.vop_ioctl =		devfs_rioctl,
 	.vop_lookup =		devfs_lookup,
 	.vop_mknod =		devfs_mknod,
 	.vop_pathconf =		devfs_pathconf,
 	.vop_read =		devfs_rread,
 	.vop_readdir =		devfs_readdir,
 	.vop_readlink =		devfs_readlink,
 	.vop_reclaim =		devfs_reclaim,
 	.vop_remove =		devfs_remove,
 	.vop_revoke =		devfs_revoke,
 	.vop_setattr =		devfs_setattr,
 #ifdef MAC
 	.vop_setlabel =		devfs_setlabel,
 #endif
 	.vop_symlink =		devfs_symlink,
 	.vop_vptocnp =		devfs_vptocnp,
 	.vop_lock1 =		vop_lock,
 	.vop_unlock =		vop_unlock,
 	.vop_islocked =		vop_islocked,
 	.vop_add_writecount =	vop_stdadd_writecount_nomsync,
 };
 VFS_VOP_VECTOR_REGISTER(devfs_vnodeops);
 
 /* Vops for VCHR vnodes in /dev. */
 static struct vop_vector devfs_specops = {
 	.vop_default =		&default_vnodeops,
 
 	.vop_access =		devfs_access,
 	.vop_bmap =		VOP_PANIC,
 	.vop_close =		devfs_close,
 	.vop_create =		VOP_PANIC,
 	.vop_fsync =		vop_stdfsync,
 	.vop_getattr =		devfs_getattr,
 	.vop_ioctl =		devfs_ioctl,
 	.vop_link =		VOP_PANIC,
 	.vop_mkdir =		VOP_PANIC,
 	.vop_mknod =		VOP_PANIC,
 	.vop_open =		devfs_open,
 	.vop_pathconf =		devfs_pathconf,
 	.vop_poll =		dead_poll,
 	.vop_print =		devfs_print,
 	.vop_read =		dead_read,
 	.vop_readdir =		VOP_PANIC,
 	.vop_readlink =		VOP_PANIC,
 	.vop_reallocblks =	VOP_PANIC,
 	.vop_reclaim =		devfs_reclaim_vchr,
 	.vop_remove =		devfs_remove,
 	.vop_rename =		VOP_PANIC,
 	.vop_revoke =		devfs_revoke,
 	.vop_rmdir =		VOP_PANIC,
 	.vop_setattr =		devfs_setattr,
 #ifdef MAC
 	.vop_setlabel =		devfs_setlabel,
 #endif
 	.vop_strategy =		VOP_PANIC,
 	.vop_symlink =		VOP_PANIC,
 	.vop_vptocnp =		devfs_vptocnp,
 	.vop_write =		dead_write,
 	.vop_lock1 =		vop_lock,
 	.vop_unlock =		vop_unlock,
 	.vop_islocked =		vop_islocked,
 	.vop_add_writecount =	vop_stdadd_writecount_nomsync,
 };
 VFS_VOP_VECTOR_REGISTER(devfs_specops);
 
 /*
  * Our calling convention to the device drivers used to be that we passed
  * vnode.h IO_* flags to read()/write(), but we're moving to fcntl.h O_ 
  * flags instead since that's what open(), close() and ioctl() takes and
  * we don't really want vnode.h in device drivers.
  * We solved the source compatibility by redefining some vnode flags to
  * be the same as the fcntl ones and by sending down the bitwise OR of
  * the respective fcntl/vnode flags.  These CTASSERTS make sure nobody
  * pulls the rug out under this.
  */
 CTASSERT(O_NONBLOCK == IO_NDELAY);
 CTASSERT(O_FSYNC == IO_SYNC);
diff --git a/sys/fs/ext2fs/ext2_lookup.c b/sys/fs/ext2fs/ext2_lookup.c
index c80e0f99ab56..bb830d07b126 100644
--- a/sys/fs/ext2fs/ext2_lookup.c
+++ b/sys/fs/ext2fs/ext2_lookup.c
@@ -1,1264 +1,1264 @@
 /*-
  *  modified for Lites 1.1
  *
  *  Aug 1995, Godmar Back (gback@cs.utah.edu)
  *  University of Utah, Department of Computer Science
  */
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  * (c) UNIX System Laboratories, Inc.
  * All or some portions of this file are derived from material licensed
  * to the University of California by American Telephone and Telegraph
  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  * the permission of UNIX System Laboratories, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/namei.h>
 #include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/endian.h>
 #include <sys/mount.h>
 #include <sys/vnode.h>
 #include <sys/malloc.h>
 #include <sys/dirent.h>
 #include <sys/sdt.h>
 #include <sys/sysctl.h>
 
 #include <ufs/ufs/dir.h>
 
 #include <fs/ext2fs/fs.h>
 #include <fs/ext2fs/inode.h>
 #include <fs/ext2fs/ext2_mount.h>
 #include <fs/ext2fs/ext2fs.h>
 #include <fs/ext2fs/ext2_dinode.h>
 #include <fs/ext2fs/ext2_dir.h>
 #include <fs/ext2fs/ext2_extern.h>
 #include <fs/ext2fs/fs.h>
 
 SDT_PROVIDER_DECLARE(ext2fs);
 /*
  * ext2fs trace probe:
  * arg0: verbosity. Higher numbers give more verbose messages
  * arg1: Textual message
  */
 SDT_PROBE_DEFINE2(ext2fs, , lookup, trace, "int", "char*");
 SDT_PROBE_DEFINE4(ext2fs, , trace, ext2_dirbad_error,
     "char*", "ino_t", "doff_t", "char*");
 SDT_PROBE_DEFINE5(ext2fs, , trace, ext2_dirbadentry_error,
     "char*", "int", "uint32_t", "uint16_t", "uint8_t");
 
 static SYSCTL_NODE(_vfs, OID_AUTO, e2fs, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
     "EXT2FS filesystem");
 
 /*
    DIRBLKSIZE in ffs is DEV_BSIZE (in most cases 512)
    while it is the native blocksize in ext2fs - thus, a #define
    is no longer appropriate
 */
 #undef  DIRBLKSIZ
 
 static u_char ext2_ft_to_dt[] = {
 	DT_UNKNOWN,		/* EXT2_FT_UNKNOWN */
 	DT_REG,			/* EXT2_FT_REG_FILE */
 	DT_DIR,			/* EXT2_FT_DIR */
 	DT_CHR,			/* EXT2_FT_CHRDEV */
 	DT_BLK,			/* EXT2_FT_BLKDEV */
 	DT_FIFO,		/* EXT2_FT_FIFO */
 	DT_SOCK,		/* EXT2_FT_SOCK */
 	DT_LNK,			/* EXT2_FT_SYMLINK */
 };
 #define	FTTODT(ft) \
     ((ft) < nitems(ext2_ft_to_dt) ? ext2_ft_to_dt[(ft)] : DT_UNKNOWN)
 
 static u_char dt_to_ext2_ft[] = {
 	EXT2_FT_UNKNOWN,	/* DT_UNKNOWN */
 	EXT2_FT_FIFO,		/* DT_FIFO */
 	EXT2_FT_CHRDEV,		/* DT_CHR */
 	EXT2_FT_UNKNOWN,	/* unused */
 	EXT2_FT_DIR,		/* DT_DIR */
 	EXT2_FT_UNKNOWN,	/* unused */
 	EXT2_FT_BLKDEV,		/* DT_BLK */
 	EXT2_FT_UNKNOWN,	/* unused */
 	EXT2_FT_REG_FILE,	/* DT_REG */
 	EXT2_FT_UNKNOWN,	/* unused */
 	EXT2_FT_SYMLINK,	/* DT_LNK */
 	EXT2_FT_UNKNOWN,	/* unused */
 	EXT2_FT_SOCK,		/* DT_SOCK */
 	EXT2_FT_UNKNOWN,	/* unused */
 	EXT2_FT_UNKNOWN,	/* DT_WHT */
 };
 #define	DTTOFT(dt) \
     ((dt) < nitems(dt_to_ext2_ft) ? dt_to_ext2_ft[(dt)] : EXT2_FT_UNKNOWN)
 
 static int	ext2_check_direntry(struct vnode *dp,
 		    struct ext2fs_direct_2 *de, int entryoffsetinblock);
 static int	ext2_is_dot_entry(struct componentname *cnp);
 static int	ext2_lookup_ino(struct vnode *vdp, struct vnode **vpp,
 		    struct componentname *cnp, ino_t *dd_ino);
 
 static int
 ext2_is_dot_entry(struct componentname *cnp)
 {
 	if (cnp->cn_namelen <= 2 && cnp->cn_nameptr[0] == '.' &&
 	    (cnp->cn_nameptr[1] == '.' || cnp->cn_nameptr[1] == '\0'))
 		return (1);
 	return (0);
 }
 
 /*
  * Vnode op for reading directories.
  */
 int
 ext2_readdir(struct vop_readdir_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct uio *uio = ap->a_uio;
 	struct buf *bp;
 	struct inode *ip;
 	struct ext2fs_direct_2 *dp, *edp;
 	uint64_t *cookies;
 	struct dirent dstdp;
 	off_t offset, startoffset;
 	size_t readcnt, skipcnt;
 	ssize_t startresid;
 	u_int ncookies;
 	int DIRBLKSIZ = VTOI(ap->a_vp)->i_e2fs->e2fs_bsize;
 	int error;
 
 	if (uio->uio_offset < 0)
 		return (EINVAL);
 	ip = VTOI(vp);
 	if (ap->a_ncookies != NULL) {
 		if (uio->uio_resid < 0)
 			ncookies = 0;
 		else
 			ncookies = uio->uio_resid;
 		if (uio->uio_offset >= ip->i_size)
 			ncookies = 0;
 		else if (ip->i_size - uio->uio_offset < ncookies)
 			ncookies = ip->i_size - uio->uio_offset;
 		ncookies = ncookies / (offsetof(struct ext2fs_direct_2,
 		    e2d_namlen) + 4) + 1;
 		cookies = malloc(ncookies * sizeof(*cookies), M_TEMP, M_WAITOK);
 		*ap->a_ncookies = ncookies;
 		*ap->a_cookies = cookies;
 	} else {
 		ncookies = 0;
 		cookies = NULL;
 	}
 	offset = startoffset = uio->uio_offset;
 	startresid = uio->uio_resid;
 	error = 0;
 	while (error == 0 && uio->uio_resid > 0 &&
 	    uio->uio_offset < ip->i_size) {
 		error = ext2_blkatoff(vp, uio->uio_offset, NULL, &bp);
 		if (error)
 			break;
 		if (bp->b_offset + bp->b_bcount > ip->i_size)
 			readcnt = ip->i_size - bp->b_offset;
 		else
 			readcnt = bp->b_bcount;
 		skipcnt = (size_t)(uio->uio_offset - bp->b_offset) &
 		    ~(size_t)(DIRBLKSIZ - 1);
 		offset = bp->b_offset + skipcnt;
 		dp = (struct ext2fs_direct_2 *)&bp->b_data[skipcnt];
 		edp = (struct ext2fs_direct_2 *)&bp->b_data[readcnt];
 		while (error == 0 && uio->uio_resid > 0 && dp < edp) {
 			if (le16toh(dp->e2d_reclen) <= offsetof(struct ext2fs_direct_2,
 			    e2d_namlen) || (caddr_t)dp + le16toh(dp->e2d_reclen) >
 			    (caddr_t)edp) {
 				error = EIO;
 				break;
 			}
 			/*-
 			 * "New" ext2fs directory entries differ in 3 ways
 			 * from ufs on-disk ones:
 			 * - the name is not necessarily NUL-terminated.
 			 * - the file type field always exists and always
 			 *   follows the name length field.
 			 * - the file type is encoded in a different way.
 			 *
 			 * "Old" ext2fs directory entries need no special
 			 * conversions, since they are binary compatible
 			 * with "new" entries having a file type of 0 (i.e.,
 			 * EXT2_FT_UNKNOWN).  Splitting the old name length
 			 * field didn't make a mess like it did in ufs,
 			 * because ext2fs uses a machine-independent disk
 			 * layout.
 			 */
 			dstdp.d_namlen = dp->e2d_namlen;
 			dstdp.d_type = FTTODT(dp->e2d_type);
 			if (offsetof(struct ext2fs_direct_2, e2d_namlen) +
 			    dstdp.d_namlen > le16toh(dp->e2d_reclen)) {
 				error = EIO;
 				break;
 			}
 			if (offset < startoffset || le32toh(dp->e2d_ino) == 0)
 				goto nextentry;
 			dstdp.d_fileno = le32toh(dp->e2d_ino);
 			dstdp.d_reclen = GENERIC_DIRSIZ(&dstdp);
 			bcopy(dp->e2d_name, dstdp.d_name, dstdp.d_namlen);
 			/* NOTE: d_off is the offset of the *next* entry. */
 			dstdp.d_off = offset + le16toh(dp->e2d_reclen);
 			dirent_terminate(&dstdp);
 			if (dstdp.d_reclen > uio->uio_resid) {
 				if (uio->uio_resid == startresid)
 					error = EINVAL;
 				else
 					error = EJUSTRETURN;
 				break;
 			}
 			/* Advance dp. */
 			error = uiomove((caddr_t)&dstdp, dstdp.d_reclen, uio);
 			if (error)
 				break;
 			if (cookies != NULL) {
 				KASSERT(ncookies > 0,
 				    ("ext2_readdir: cookies buffer too small"));
 				*cookies = offset + le16toh(dp->e2d_reclen);
 				cookies++;
 				ncookies--;
 			}
 nextentry:
 			offset += le16toh(dp->e2d_reclen);
 			dp = (struct ext2fs_direct_2 *)((caddr_t)dp +
 			    le16toh(dp->e2d_reclen));
 		}
 		bqrelse(bp);
 		uio->uio_offset = offset;
 	}
 	/* We need to correct uio_offset. */
 	uio->uio_offset = offset;
 	if (error == EJUSTRETURN)
 		error = 0;
 	if (ap->a_ncookies != NULL) {
 		if (error == 0) {
 			*ap->a_ncookies -= ncookies;
 		} else {
 			free(*ap->a_cookies, M_TEMP);
 			*ap->a_ncookies = 0;
 			*ap->a_cookies = NULL;
 		}
 	}
 	if (error == 0 && ap->a_eofflag)
 		*ap->a_eofflag = ip->i_size <= uio->uio_offset;
 	return (error);
 }
 
 /*
  * Convert a component of a pathname into a pointer to a locked inode.
  * This is a very central and rather complicated routine.
  * If the file system is not maintained in a strict tree hierarchy,
  * this can result in a deadlock situation (see comments in code below).
  *
  * The cnp->cn_nameiop argument is LOOKUP, CREATE, RENAME, or DELETE depending
  * on whether the name is to be looked up, created, renamed, or deleted.
  * When CREATE, RENAME, or DELETE is specified, information usable in
  * creating, renaming, or deleting a directory entry may be calculated.
  * If flag has LOCKPARENT or'ed into it and the target of the pathname
  * exists, lookup returns both the target and its parent directory locked.
  * When creating or renaming and LOCKPARENT is specified, the target may
  * not be ".".  When deleting and LOCKPARENT is specified, the target may
  * be "."., but the caller must check to ensure it does an vrele and vput
  * instead of two vputs.
  *
  * Overall outline of ext2_lookup:
  *
  *	search for name in directory, to found or notfound
  * notfound:
  *	if creating, return locked directory, leaving info on available slots
  *	else return error
  * found:
  *	if at end of path and deleting, return information to allow delete
  *	if at end of path and rewriting (RENAME and LOCKPARENT), lock target
  *	  inode and return info to allow rewrite
  *	if not at end, add name to cache; if at end and neither creating
  *	  nor deleting, add name to cache
  */
 int
 ext2_lookup(struct vop_cachedlookup_args *ap)
 {
 
 	return (ext2_lookup_ino(ap->a_dvp, ap->a_vpp, ap->a_cnp, NULL));
 }
 
 static int
 ext2_lookup_ino(struct vnode *vdp, struct vnode **vpp, struct componentname *cnp,
     ino_t *dd_ino)
 {
 	struct inode *dp;		/* inode for directory being searched */
 	struct buf *bp;			/* a buffer of directory entries */
 	struct ext2fs_direct_2 *ep;	/* the current directory entry */
 	int entryoffsetinblock;		/* offset of ep in bp's buffer */
 	struct ext2fs_searchslot ss;
 	doff_t i_diroff;		/* cached i_diroff value */
 	doff_t i_offset;		/* cached i_offset value */
 	int numdirpasses;		/* strategy for directory search */
 	doff_t endsearch;		/* offset to end directory search */
 	doff_t prevoff;			/* prev entry dp->i_offset */
 	struct vnode *pdp;		/* saved dp during symlink work */
 	struct vnode *tdp;		/* returned by VFS_VGET */
 	doff_t enduseful;		/* pointer past last used dir slot */
 	u_long bmask;			/* block offset mask */
 	int error;
 	struct ucred *cred = cnp->cn_cred;
 	int flags = cnp->cn_flags;
 	int nameiop = cnp->cn_nameiop;
 	ino_t ino, ino1;
 	int ltype;
 	int entry_found = 0;
 
 	int DIRBLKSIZ = VTOI(vdp)->i_e2fs->e2fs_bsize;
 
 	if (vpp != NULL)
 		*vpp = NULL;
 
 	dp = VTOI(vdp);
 	bmask = VFSTOEXT2(vdp->v_mount)->um_mountp->mnt_stat.f_iosize - 1;
 restart:
 	bp = NULL;
 	ss.slotoffset = -1;
 
 	/*
 	 * We now have a segment name to search for, and a directory to search.
 	 *
 	 * Suppress search for slots unless creating
 	 * file and at end of pathname, in which case
 	 * we watch for a place to put the new file in
 	 * case it doesn't already exist.
 	 */
 	i_diroff = dp->i_diroff;
 	ss.slotstatus = FOUND;
 	ss.slotfreespace = ss.slotsize = ss.slotneeded = 0;
 	if ((nameiop == CREATE || nameiop == RENAME) &&
 	    (flags & ISLASTCN)) {
 		ss.slotstatus = NONE;
 		ss.slotneeded = EXT2_DIR_REC_LEN(cnp->cn_namelen);
 		/*
 		 * was ss.slotneeded = (sizeof(struct direct) - MAXNAMLEN +
 		 * cnp->cn_namelen + 3) &~ 3;
 		 */
 	}
 	/*
 	 * Try to lookup dir entry using htree directory index.
 	 *
 	 * If we got an error or we want to find '.' or '..' entry,
 	 * we will fall back to linear search.
 	 */
 	if (!ext2_is_dot_entry(cnp) && ext2_htree_has_idx(dp)) {
 		numdirpasses = 1;
 		entryoffsetinblock = 0;
 		switch (ext2_htree_lookup(dp, cnp->cn_nameptr, cnp->cn_namelen,
 		    &bp, &entryoffsetinblock, &i_offset, &prevoff,
 		    &enduseful, &ss)) {
 		case 0:
 			ep = (struct ext2fs_direct_2 *)((char *)bp->b_data +
 			    (i_offset & bmask));
 			goto foundentry;
 		case ENOENT:
 			i_offset = roundup2(dp->i_size, DIRBLKSIZ);
 			goto notfound;
 		default:
 			/*
 			 * Something failed; just fallback to do a linear
 			 * search.
 			 */
 			break;
 		}
 	}
 
 	/*
 	 * If there is cached information on a previous search of
 	 * this directory, pick up where we last left off.
 	 * We cache only lookups as these are the most common
 	 * and have the greatest payoff. Caching CREATE has little
 	 * benefit as it usually must search the entire directory
 	 * to determine that the entry does not exist. Caching the
 	 * location of the last DELETE or RENAME has not reduced
 	 * profiling time and hence has been removed in the interest
 	 * of simplicity.
 	 */
 	if (nameiop != LOOKUP || i_diroff == 0 ||
 	    i_diroff > dp->i_size) {
 		entryoffsetinblock = 0;
 		i_offset = 0;
 		numdirpasses = 1;
 	} else {
 		i_offset = i_diroff;
 		if ((entryoffsetinblock = i_offset & bmask) &&
 		    (error = ext2_blkatoff(vdp, (off_t)i_offset, NULL,
 		    &bp)))
 			return (error);
 		numdirpasses = 2;
 		nchstats.ncs_2passes++;
 	}
 	prevoff = i_offset;
 	endsearch = roundup2(dp->i_size, DIRBLKSIZ);
 	enduseful = 0;
 
 searchloop:
 	while (i_offset < endsearch) {
 		/*
 		 * If necessary, get the next directory block.
 		 */
 		if (bp != NULL)
 			brelse(bp);
 		error = ext2_blkatoff(vdp, (off_t)i_offset, NULL, &bp);
 		if (error != 0)
 			return (error);
 
 		entryoffsetinblock = 0;
 		if (ss.slotstatus == NONE) {
 			ss.slotoffset = -1;
 			ss.slotfreespace = 0;
 		}
 
 		error = ext2_search_dirblock(dp, bp->b_data, &entry_found,
 		    cnp->cn_nameptr, cnp->cn_namelen,
 		    &entryoffsetinblock, &i_offset, &prevoff,
 		    &enduseful, &ss);
 		if (error != 0) {
 			brelse(bp);
 			return (error);
 		}
 		if (entry_found) {
 			ep = (struct ext2fs_direct_2 *)((char *)bp->b_data +
 			    (entryoffsetinblock & bmask));
 foundentry:
 			ino = le32toh(ep->e2d_ino);
 			goto found;
 		}
 	}
 notfound:
 	/*
 	 * If we started in the middle of the directory and failed
 	 * to find our target, we must check the beginning as well.
 	 */
 	if (numdirpasses == 2) {
 		numdirpasses--;
 		i_offset = 0;
 		endsearch = i_diroff;
 		goto searchloop;
 	}
 	if (bp != NULL)
 		brelse(bp);
 	/*
 	 * If creating, and at end of pathname and current
 	 * directory has not been removed, then can consider
 	 * allowing file to be created.
 	 */
 	if ((nameiop == CREATE || nameiop == RENAME) &&
 	    (flags & ISLASTCN) && dp->i_nlink != 0) {
 		/*
 		 * Access for write is interpreted as allowing
 		 * creation of files in the directory.
 		 */
 		if ((error = VOP_ACCESS(vdp, VWRITE, cred, curthread)) != 0)
 			return (error);
 		/*
 		 * Return an indication of where the new directory
 		 * entry should be put.  If we didn't find a slot,
 		 * then set dp->i_count to 0 indicating
 		 * that the new slot belongs at the end of the
 		 * directory. If we found a slot, then the new entry
 		 * can be put in the range from dp->i_offset to
 		 * dp->i_offset + dp->i_count.
 		 */
 		if (ss.slotstatus == NONE) {
 			dp->i_offset = roundup2(dp->i_size, DIRBLKSIZ);
 			dp->i_count = 0;
 			enduseful = dp->i_offset;
 		} else {
 			dp->i_offset = ss.slotoffset;
 			dp->i_count = ss.slotsize;
 			if (enduseful < ss.slotoffset + ss.slotsize)
 				enduseful = ss.slotoffset + ss.slotsize;
 		}
 		dp->i_endoff = roundup2(enduseful, DIRBLKSIZ);
 		/*
 		 * We return with the directory locked, so that
 		 * the parameters we set up above will still be
 		 * valid if we actually decide to do a direnter().
 		 * We return ni_vp == NULL to indicate that the entry
 		 * does not currently exist; we leave a pointer to
 		 * the (locked) directory inode in ndp->ni_dvp.
 		 *
 		 * NB - if the directory is unlocked, then this
 		 * information cannot be used.
 		 */
 		return (EJUSTRETURN);
 	}
 	/*
 	 * Insert name into cache (as non-existent) if appropriate.
 	 */
 	if ((cnp->cn_flags & MAKEENTRY) != 0)
 		cache_enter(vdp, NULL, cnp);
 	return (ENOENT);
 
 found:
 	if (dd_ino != NULL)
 		*dd_ino = ino;
 	if (numdirpasses == 2)
 		nchstats.ncs_pass2++;
 	/*
 	 * Check that directory length properly reflects presence
 	 * of this entry.
 	 */
 	if (entryoffsetinblock + EXT2_DIR_REC_LEN(ep->e2d_namlen) >
 	    dp->i_size) {
 		ext2_dirbad(dp, i_offset, "i_size too small");
 		brelse(bp);
 		return (EIO);
 	}
 	brelse(bp);
 
 	/*
 	 * Found component in pathname.
 	 * If the final component of path name, save information
 	 * in the cache as to where the entry was found.
 	 */
 	if ((flags & ISLASTCN) && nameiop == LOOKUP)
 		dp->i_diroff = rounddown2(i_offset, DIRBLKSIZ);
 	/*
 	 * If deleting, and at end of pathname, return
 	 * parameters which can be used to remove file.
 	 */
 	if (nameiop == DELETE && (flags & ISLASTCN)) {
 		if (flags & LOCKPARENT)
 			ASSERT_VOP_ELOCKED(vdp, __FUNCTION__);
 		/*
 		 * Write access to directory required to delete files.
 		 */
 		if ((error = VOP_ACCESS(vdp, VWRITE, cred, curthread)) != 0)
 			return (error);
 		/*
 		 * Return pointer to current entry in dp->i_offset,
 		 * and distance past previous entry (if there
 		 * is a previous entry in this block) in dp->i_count.
 		 * Save directory inode pointer in ndp->ni_dvp for dirremove().
 		 *
 		 * Technically we shouldn't be setting these in the
 		 * WANTPARENT case (first lookup in rename()), but any
 		 * lookups that will result in directory changes will
 		 * overwrite these.
 		 */
 		dp->i_offset = i_offset;
 		if ((dp->i_offset & (DIRBLKSIZ - 1)) == 0)
 			dp->i_count = 0;
 		else
 			dp->i_count = dp->i_offset - prevoff;
 		if (dd_ino != NULL)
 			return (0);
 		if (dp->i_number == ino) {
-			VREF(vdp);
+			vref(vdp);
 			*vpp = vdp;
 			return (0);
 		}
 		if ((error = VFS_VGET(vdp->v_mount, ino, LK_EXCLUSIVE,
 		    &tdp)) != 0)
 			return (error);
 		/*
 		 * If directory is "sticky", then user must own
 		 * the directory, or the file in it, else she
 		 * may not delete it (unless she's root). This
 		 * implements append-only directories.
 		 */
 		if ((dp->i_mode & ISVTX) &&
 		    cred->cr_uid != 0 &&
 		    cred->cr_uid != dp->i_uid &&
 		    VTOI(tdp)->i_uid != cred->cr_uid) {
 			vput(tdp);
 			return (EPERM);
 		}
 		*vpp = tdp;
 		return (0);
 	}
 
 	/*
 	 * If rewriting (RENAME), return the inode and the
 	 * information required to rewrite the present directory
 	 * Must get inode of directory entry to verify it's a
 	 * regular file, or empty directory.
 	 */
 	if (nameiop == RENAME && (flags & ISLASTCN)) {
 		if ((error = VOP_ACCESS(vdp, VWRITE, cred, curthread)) != 0)
 			return (error);
 		/*
 		 * Careful about locking second inode.
 		 * This can only occur if the target is ".".
 		 */
 		dp->i_offset = i_offset;
 		if (dp->i_number == ino)
 			return (EISDIR);
 		if (dd_ino != NULL)
 			return (0);
 		if ((error = VFS_VGET(vdp->v_mount, ino, LK_EXCLUSIVE,
 		    &tdp)) != 0)
 			return (error);
 		*vpp = tdp;
 		return (0);
 	}
 	if (dd_ino != NULL)
 		return (0);
 
 	/*
 	 * Step through the translation in the name.  We do not `vput' the
 	 * directory because we may need it again if a symbolic link
 	 * is relative to the current directory.  Instead we save it
 	 * unlocked as "pdp".  We must get the target inode before unlocking
 	 * the directory to insure that the inode will not be removed
 	 * before we get it.  We prevent deadlock by always fetching
 	 * inodes from the root, moving down the directory tree. Thus
 	 * when following backward pointers ".." we must unlock the
 	 * parent directory before getting the requested directory.
 	 * There is a potential race condition here if both the current
 	 * and parent directories are removed before the VFS_VGET for the
 	 * inode associated with ".." returns.  We hope that this occurs
 	 * infrequently since we cannot avoid this race condition without
 	 * implementing a sophisticated deadlock detection algorithm.
 	 * Note also that this simple deadlock detection scheme will not
 	 * work if the file system has any hard links other than ".."
 	 * that point backwards in the directory structure.
 	 */
 	pdp = vdp;
 	if (flags & ISDOTDOT) {
 		error = vn_vget_ino(pdp, ino, cnp->cn_lkflags, &tdp);
 		if (VN_IS_DOOMED(pdp)) {
 			if (error == 0)
 				vput(tdp);
 			error = ENOENT;
 		}
 		if (error)
 			return (error);
 		/*
 		 * Recheck that ".." entry in the vdp directory points
 		 * to the inode we looked up before vdp lock was
 		 * dropped.
 		 */
 		error = ext2_lookup_ino(pdp, NULL, cnp, &ino1);
 		if (error) {
 			vput(tdp);
 			return (error);
 		}
 		if (ino1 != ino) {
 			vput(tdp);
 			goto restart;
 		}
 		*vpp = tdp;
 	} else if (dp->i_number == ino) {
-		VREF(vdp);	/* we want ourself, ie "." */
+		vref(vdp);	/* we want ourself, ie "." */
 		/*
 		 * When we lookup "." we still can be asked to lock it
 		 * differently.
 		 */
 		ltype = cnp->cn_lkflags & LK_TYPE_MASK;
 		if (ltype != VOP_ISLOCKED(vdp)) {
 			if (ltype == LK_EXCLUSIVE)
 				vn_lock(vdp, LK_UPGRADE | LK_RETRY);
 			else	/* if (ltype == LK_SHARED) */
 				vn_lock(vdp, LK_DOWNGRADE | LK_RETRY);
 		}
 		*vpp = vdp;
 	} else {
 		if ((error = VFS_VGET(vdp->v_mount, ino, cnp->cn_lkflags,
 		    &tdp)) != 0)
 			return (error);
 		*vpp = tdp;
 	}
 
 	/*
 	 * Insert name into cache if appropriate.
 	 */
 	if (cnp->cn_flags & MAKEENTRY)
 		cache_enter(vdp, *vpp, cnp);
 	return (0);
 }
 
 int
 ext2_search_dirblock(struct inode *ip, void *data, int *foundp,
     const char *name, int namelen, int *entryoffsetinblockp,
     doff_t *offp, doff_t *prevoffp, doff_t *endusefulp,
     struct ext2fs_searchslot *ssp)
 {
 	struct vnode *vdp;
 	struct ext2fs_direct_2 *ep, *top;
 	uint32_t bsize = ip->i_e2fs->e2fs_bsize;
 	int offset = *entryoffsetinblockp;
 	int namlen;
 
 	vdp = ITOV(ip);
 
 	ep = (struct ext2fs_direct_2 *)((char *)data + offset);
 	top = (struct ext2fs_direct_2 *)((char *)data + bsize);
 	while (ep < top) {
 		if (ext2_check_direntry(vdp, ep, offset)) {
 			int i;
 
 			ext2_dirbad(ip, *offp, "mangled entry");
 			i = bsize - (offset & (bsize - 1));
 			*offp += i;
 			offset += i;
 			ep = (struct ext2fs_direct_2 *)((char *)data + offset);
 			continue;
 		}
 
 		/*
 		 * If an appropriate sized slot has not yet been found,
 		 * check to see if one is available. Also accumulate space
 		 * in the current block so that we can determine if
 		 * compaction is viable.
 		 */
 		if (ssp->slotstatus != FOUND) {
 			int size = le16toh(ep->e2d_reclen);
 
 			if (ep->e2d_ino != 0)
 				size -= EXT2_DIR_REC_LEN(ep->e2d_namlen);
 			else if (ext2_is_dirent_tail(ip, ep))
 				size -= sizeof(struct ext2fs_direct_tail);
 			if (size > 0) {
 				if (size >= ssp->slotneeded) {
 					ssp->slotstatus = FOUND;
 					ssp->slotoffset = *offp;
 					ssp->slotsize = le16toh(ep->e2d_reclen);
 				} else if (ssp->slotstatus == NONE) {
 					ssp->slotfreespace += size;
 					if (ssp->slotoffset == -1)
 						ssp->slotoffset = *offp;
 					if (ssp->slotfreespace >= ssp->slotneeded) {
 						ssp->slotstatus = COMPACT;
 						ssp->slotsize = *offp +
 						    le16toh(ep->e2d_reclen) -
 						    ssp->slotoffset;
 					}
 				}
 			}
 		}
 		/*
 		 * Check for a name match.
 		 */
 		if (ep->e2d_ino != 0) {
 			namlen = ep->e2d_namlen;
 			if (namlen == namelen &&
 			    !bcmp(name, ep->e2d_name, (unsigned)namlen)) {
 				/*
 				 * Save directory entry's inode number and
 				 * reclen in ndp->ni_ufs area, and release
 				 * directory buffer.
 				 */
 				*foundp = 1;
 				return (0);
 			}
 		}
 		*prevoffp = *offp;
 		*offp += le16toh(ep->e2d_reclen);
 		offset += le16toh(ep->e2d_reclen);
 		*entryoffsetinblockp = offset;
 		if (ep->e2d_ino != 0)
 			*endusefulp = *offp;
 		/*
 		 * Get pointer to the next entry.
 		 */
 		ep = (struct ext2fs_direct_2 *)((char *)data + offset);
 	}
 
 	return (0);
 }
 
 void
 ext2_dirbad(struct inode *ip, doff_t offset, char *how)
 {
 
 	SDT_PROBE4(ext2fs, , trace, ext2_dirbad_error,
 	    ITOV(ip)->v_mount->mnt_stat.f_mntonname, ip->i_number, offset, how);
 }
 
 /*
  * Do consistency checking on a directory entry:
  *	record length must be multiple of 4
  *	entry must fit in rest of its DIRBLKSIZ block
  *	record must be large enough to contain entry
  *	name is not longer than MAXNAMLEN
  *	name must be as long as advertised, and null terminated
  *	inode number less then inode count
  *	if root inode entry, it have correct name
  */
 static int
 ext2_check_direntry(struct vnode *dp, struct ext2fs_direct_2 *de,
     int entryoffsetinblock)
 {
 	struct m_ext2fs *fs = VTOI(dp)->i_e2fs;
 	char *error_msg = NULL;
 
 	if (le16toh(de->e2d_reclen) < EXT2_DIR_REC_LEN(1))
 		error_msg = "rec_len is smaller than minimal";
 	else if (le16toh(de->e2d_reclen) % 4 != 0)
 		error_msg = "rec_len % 4 != 0";
 	else if (le16toh(de->e2d_reclen) < EXT2_DIR_REC_LEN(de->e2d_namlen))
 		error_msg = "reclen is too small for name_len";
 	else if (entryoffsetinblock + le16toh(de->e2d_reclen)> fs->e2fs_bsize)
 		error_msg = "directory entry across blocks";
 	else if (le32toh(de->e2d_ino) > fs->e2fs->e2fs_icount)
 		error_msg = "directory entry inode out of bounds";
 	else if (le32toh(de->e2d_ino) == EXT2_ROOTINO &&
 	    ((de->e2d_namlen != 1 && de->e2d_namlen != 2) ||
 	    (de->e2d_name[0] != '.') ||
 	    (de->e2d_namlen == 2 && de->e2d_name[1] != '.')))
 		error_msg = "bad root directory entry";
 
 	if (error_msg != NULL) {
 		SDT_PROBE5(ext2fs, , trace, ext2_dirbadentry_error,
 		    error_msg, entryoffsetinblock,
 		    le32toh(de->e2d_ino), le16toh(de->e2d_reclen),
 		    de->e2d_namlen);
 	}
 	return (error_msg == NULL ? 0 : EINVAL);
 }
 
 /*
  * Insert an entry into the fresh directory block.
  * Initialize entry tail if the metadata_csum feature is turned on.
  */
 static int
 ext2_add_first_entry(struct vnode *dvp, struct ext2fs_direct_2 *entry,
     struct componentname *cnp)
 {
 	struct inode *dp;
 	struct iovec aiov;
 	struct uio auio;
 	char* buf = NULL;
 	int dirblksize, error;
 
 	dp = VTOI(dvp);
 	dirblksize = dp->i_e2fs->e2fs_bsize;
 
 	if (dp->i_offset & (dirblksize - 1))
 		panic("ext2_add_first_entry: bad directory offset");
 
 	if (EXT2_HAS_RO_COMPAT_FEATURE(dp->i_e2fs,
 	    EXT2F_ROCOMPAT_METADATA_CKSUM)) {
 		entry->e2d_reclen = htole16(dirblksize -
 		    sizeof(struct ext2fs_direct_tail));
 		buf = malloc(dirblksize, M_TEMP, M_WAITOK);
 		memcpy(buf, entry, EXT2_DIR_REC_LEN(entry->e2d_namlen));
 		ext2_init_dirent_tail(EXT2_DIRENT_TAIL(buf, dirblksize));
 		ext2_dirent_csum_set(dp, (struct ext2fs_direct_2 *)buf);
 
 		auio.uio_offset = dp->i_offset;
 		auio.uio_resid = dirblksize;
 		aiov.iov_len = auio.uio_resid;
 		aiov.iov_base = (caddr_t)buf;
 	} else {
 		entry->e2d_reclen = htole16(dirblksize);
 		auio.uio_offset = dp->i_offset;
 		auio.uio_resid = EXT2_DIR_REC_LEN(entry->e2d_namlen);
 		aiov.iov_len = auio.uio_resid;
 		aiov.iov_base = (caddr_t)entry;
 	}
 
 	auio.uio_iov = &aiov;
 	auio.uio_iovcnt = 1;
 	auio.uio_rw = UIO_WRITE;
 	auio.uio_segflg = UIO_SYSSPACE;
 	auio.uio_td = (struct thread *)0;
 	error = VOP_WRITE(dvp, &auio, IO_SYNC, cnp->cn_cred);
 	if (error)
 		goto out;
 
 	dp->i_size = roundup2(dp->i_size, dirblksize);
 	dp->i_flag |= IN_CHANGE;
 
 out:
 	free(buf, M_TEMP);
 	return (error);
 
 }
 
 /*
  * Write a directory entry after a call to namei, using the parameters
  * that it left in nameidata.  The argument ip is the inode which the new
  * directory entry will refer to.  Dvp is a pointer to the directory to
  * be written, which was left locked by namei. Remaining parameters
  * (dp->i_offset, dp->i_count) indicate how the space for the new
  * entry is to be obtained.
  */
 int
 ext2_direnter(struct inode *ip, struct vnode *dvp, struct componentname *cnp)
 {
 	struct inode *dp;
 	struct ext2fs_direct_2 newdir;
 	int DIRBLKSIZ = ip->i_e2fs->e2fs_bsize;
 	int error;
 
 	dp = VTOI(dvp);
 	newdir.e2d_ino = htole32(ip->i_number);
 	if (EXT2_HAS_INCOMPAT_FEATURE(ip->i_e2fs,
 	    EXT2F_INCOMPAT_FTYPE)) {
 		newdir.e2d_namlen = cnp->cn_namelen;
 		newdir.e2d_type = DTTOFT(IFTODT(ip->i_mode));
 	} else
 		newdir.e2d_namlen = htole16(cnp->cn_namelen);
 
 	bcopy(cnp->cn_nameptr, newdir.e2d_name, (unsigned)cnp->cn_namelen + 1);
 
 	if (ext2_htree_has_idx(dp)) {
 		error = ext2_htree_add_entry(dvp, &newdir, cnp);
 		if (error) {
 			dp->i_flag &= ~IN_E3INDEX;
 			dp->i_flag |= IN_CHANGE | IN_UPDATE;
 		}
 		return (error);
 	}
 
 	if (EXT2_HAS_COMPAT_FEATURE(ip->i_e2fs, EXT2F_COMPAT_DIRHASHINDEX) &&
 	    !ext2_htree_has_idx(dp)) {
 		if ((dp->i_size / DIRBLKSIZ) == 1 &&
 		    dp->i_offset == DIRBLKSIZ) {
 			/*
 			 * Making indexed directory when one block is not
 			 * enough to save all entries.
 			 */
 			return ext2_htree_create_index(dvp, cnp, &newdir);
 		}
 	}
 
 	/*
 	 * If dp->i_count is 0, then namei could find no
 	 * space in the directory. Here, dp->i_offset will
 	 * be on a directory block boundary and we will write the
 	 * new entry into a fresh block.
 	 */
 	if (dp->i_count == 0)
 		return ext2_add_first_entry(dvp, &newdir, cnp);
 
 	error = ext2_add_entry(dvp, &newdir);
 	if (!error && dp->i_endoff && dp->i_endoff < dp->i_size)
 		error = ext2_truncate(dvp, (off_t)dp->i_endoff, IO_SYNC,
 		    cnp->cn_cred, curthread);
 	return (error);
 }
 
 /*
  * Insert an entry into the directory block.
  * Compact the contents.
  */
 int
 ext2_add_entry(struct vnode *dvp, struct ext2fs_direct_2 *entry)
 {
 	struct ext2fs_direct_2 *ep, *nep;
 	struct inode *dp;
 	struct buf *bp;
 	u_int dsize;
 	int error, loc, newentrysize, spacefree;
 	char *dirbuf;
 
 	dp = VTOI(dvp);
 
 	/*
 	 * If dp->i_count is non-zero, then namei found space
 	 * for the new entry in the range dp->i_offset to
 	 * dp->i_offset + dp->i_count in the directory.
 	 * To use this space, we may have to compact the entries located
 	 * there, by copying them together towards the beginning of the
 	 * block, leaving the free space in one usable chunk at the end.
 	 */
 
 	/*
 	 * Increase size of directory if entry eats into new space.
 	 * This should never push the size past a new multiple of
 	 * DIRBLKSIZE.
 	 *
 	 * N.B. - THIS IS AN ARTIFACT OF 4.2 AND SHOULD NEVER HAPPEN.
 	 */
 	if (dp->i_offset + dp->i_count > dp->i_size)
 		dp->i_size = dp->i_offset + dp->i_count;
 	/*
 	 * Get the block containing the space for the new directory entry.
 	 */
 	if ((error = ext2_blkatoff(dvp, (off_t)dp->i_offset, &dirbuf,
 	    &bp)) != 0)
 		return (error);
 	/*
 	 * Find space for the new entry. In the simple case, the entry at
 	 * offset base will have the space. If it does not, then namei
 	 * arranged that compacting the region dp->i_offset to
 	 * dp->i_offset + dp->i_count would yield the
 	 * space.
 	 */
 	newentrysize = EXT2_DIR_REC_LEN(entry->e2d_namlen);
 	ep = (struct ext2fs_direct_2 *)dirbuf;
 	dsize = EXT2_DIR_REC_LEN(ep->e2d_namlen);
 	spacefree = le16toh(ep->e2d_reclen) - dsize;
 	for (loc = le16toh(ep->e2d_reclen); loc < dp->i_count; ) {
 		nep = (struct ext2fs_direct_2 *)(dirbuf + loc);
 		if (le32toh(ep->e2d_ino)) {
 			/* trim the existing slot */
 			ep->e2d_reclen = htole16(dsize);
 			ep = (struct ext2fs_direct_2 *)((char *)ep + dsize);
 		} else {
 			/* overwrite; nothing there; header is ours */
 			spacefree += dsize;
 		}
 		dsize = EXT2_DIR_REC_LEN(nep->e2d_namlen);
 		spacefree += le16toh(nep->e2d_reclen) - dsize;
 		loc += le16toh(nep->e2d_reclen);
 		bcopy((caddr_t)nep, (caddr_t)ep, dsize);
 	}
 	/*
 	 * Update the pointer fields in the previous entry (if any),
 	 * copy in the new entry, and write out the block.
 	 */
 	if (ep->e2d_ino == 0) {
 		if (spacefree + dsize < newentrysize)
 			panic("ext2_direnter: compact1");
 		entry->e2d_reclen = htole16(spacefree + dsize);
 	} else {
 		if (spacefree < newentrysize)
 			panic("ext2_direnter: compact2");
 		entry->e2d_reclen = htole16(spacefree);
 		ep->e2d_reclen = htole16(dsize);
 		ep = (struct ext2fs_direct_2 *)((char *)ep + dsize);
 	}
 	bcopy((caddr_t)entry, (caddr_t)ep, (u_int)newentrysize);
 	ext2_dirent_csum_set(dp, (struct ext2fs_direct_2 *)bp->b_data);
 	if (DOINGASYNC(dvp)) {
 		bdwrite(bp);
 		error = 0;
 	} else {
 		error = bwrite(bp);
 	}
 	dp->i_flag |= IN_CHANGE | IN_UPDATE;
 	return (error);
 }
 
 /*
  * Remove a directory entry after a call to namei, using
  * the parameters which it left in nameidata. The entry
  * dp->i_offset contains the offset into the directory of the
  * entry to be eliminated.  The dp->i_count field contains the
  * size of the previous record in the directory.  If this
  * is 0, the first entry is being deleted, so we need only
  * zero the inode number to mark the entry as free.  If the
  * entry is not the first in the directory, we must reclaim
  * the space of the now empty record by adding the record size
  * to the size of the previous entry.
  */
 int
 ext2_dirremove(struct vnode *dvp, struct componentname *cnp)
 {
 	struct inode *dp;
 	struct ext2fs_direct_2 *ep, *rep;
 	struct buf *bp;
 	int error;
 
 	dp = VTOI(dvp);
 	if (dp->i_count == 0) {
 		/*
 		 * First entry in block: set d_ino to zero.
 		 */
 		if ((error =
 		    ext2_blkatoff(dvp, (off_t)dp->i_offset, (char **)&ep,
 		    &bp)) != 0)
 			return (error);
 		ep->e2d_ino = 0;
 		ext2_dirent_csum_set(dp, (struct ext2fs_direct_2 *)bp->b_data);
 		error = bwrite(bp);
 		dp->i_flag |= IN_CHANGE | IN_UPDATE;
 		return (error);
 	}
 	/*
 	 * Collapse new free space into previous entry.
 	 */
 	if ((error = ext2_blkatoff(dvp, (off_t)(dp->i_offset - dp->i_count),
 	    (char **)&ep, &bp)) != 0)
 		return (error);
 
 	/* Set 'rep' to the entry being removed. */
 	if (dp->i_count == 0)
 		rep = ep;
 	else
 		rep = (struct ext2fs_direct_2 *)((char *)ep +
 		    le16toh(ep->e2d_reclen));
 	ep->e2d_reclen += rep->e2d_reclen;
 	ext2_dirent_csum_set(dp, (struct ext2fs_direct_2 *)bp->b_data);
 	if (DOINGASYNC(dvp) && dp->i_count != 0)
 		bdwrite(bp);
 	else
 		error = bwrite(bp);
 	dp->i_flag |= IN_CHANGE | IN_UPDATE;
 	return (error);
 }
 
 /*
  * Rewrite an existing directory entry to point at the inode
  * supplied.  The parameters describing the directory entry are
  * set up by a call to namei.
  */
 int
 ext2_dirrewrite(struct inode *dp, struct inode *ip, struct componentname *cnp)
 {
 	struct buf *bp;
 	struct ext2fs_direct_2 *ep;
 	struct vnode *vdp = ITOV(dp);
 	int error;
 
 	if ((error = ext2_blkatoff(vdp, (off_t)dp->i_offset, (char **)&ep,
 	    &bp)) != 0)
 		return (error);
 	ep->e2d_ino = htole32(ip->i_number);
 	if (EXT2_HAS_INCOMPAT_FEATURE(ip->i_e2fs,
 	    EXT2F_INCOMPAT_FTYPE))
 		ep->e2d_type = DTTOFT(IFTODT(ip->i_mode));
 	else
 		ep->e2d_type = EXT2_FT_UNKNOWN;
 	ext2_dirent_csum_set(dp, (struct ext2fs_direct_2 *)bp->b_data);
 	error = bwrite(bp);
 	dp->i_flag |= IN_CHANGE | IN_UPDATE;
 	return (error);
 }
 
 /*
  * Check if a directory is empty or not.
  * Inode supplied must be locked.
  *
  * Using a struct dirtemplate here is not precisely
  * what we want, but better than using a struct direct.
  *
  * NB: does not handle corrupted directories.
  */
 int
 ext2_dirempty(struct inode *ip, ino_t parentino, struct ucred *cred)
 {
 	off_t off;
 	struct dirtemplate dbuf;
 	struct ext2fs_direct_2 *dp = (struct ext2fs_direct_2 *)&dbuf;
 	int error, namlen;
 	ssize_t count;
 #define	MINDIRSIZ (sizeof(struct dirtemplate) / 2)
 
 	for (off = 0; off < ip->i_size; off += le16toh(dp->e2d_reclen)) {
 		error = vn_rdwr(UIO_READ, ITOV(ip), (caddr_t)dp, MINDIRSIZ,
 		    off, UIO_SYSSPACE, IO_NODELOCKED | IO_NOMACCHECK, cred,
 		    NOCRED, &count, (struct thread *)0);
 		/*
 		 * Since we read MINDIRSIZ, residual must
 		 * be 0 unless we're at end of file.
 		 */
 		if (error || count != 0)
 			return (0);
 		/* avoid infinite loops */
 		if (dp->e2d_reclen == 0)
 			return (0);
 		/* skip empty entries */
 		if (dp->e2d_ino == 0)
 			continue;
 		/* accept only "." and ".." */
 		namlen = dp->e2d_namlen;
 		if (namlen > 2)
 			return (0);
 		if (dp->e2d_name[0] != '.')
 			return (0);
 		/*
 		 * At this point namlen must be 1 or 2.
 		 * 1 implies ".", 2 implies ".." if second
 		 * char is also "."
 		 */
 		if (namlen == 1)
 			continue;
 		if (dp->e2d_name[1] == '.' && le32toh(dp->e2d_ino) == parentino)
 			continue;
 		return (0);
 	}
 	return (1);
 }
 
 /*
  * Check if source directory is in the path of the target directory.
  * Target is supplied locked, source is unlocked.
  * The target is always vput before returning.
  */
 int
 ext2_checkpath(struct inode *source, struct inode *target, struct ucred *cred)
 {
 	struct vnode *vp;
 	int error, namlen;
 	struct dirtemplate dirbuf;
 
 	vp = ITOV(target);
 	if (target->i_number == source->i_number) {
 		error = EEXIST;
 		goto out;
 	}
 	if (target->i_number == EXT2_ROOTINO) {
 		error = 0;
 		goto out;
 	}
 
 	for (;;) {
 		if (vp->v_type != VDIR) {
 			error = ENOTDIR;
 			break;
 		}
 		error = vn_rdwr(UIO_READ, vp, (caddr_t)&dirbuf,
 		    sizeof(struct dirtemplate), (off_t)0, UIO_SYSSPACE,
 		    IO_NODELOCKED | IO_NOMACCHECK, cred, NOCRED, NULL,
 		    NULL);
 		if (error != 0)
 			break;
 		namlen = dirbuf.dotdot_type;	/* like ufs little-endian */
 		if (namlen != 2 ||
 		    dirbuf.dotdot_name[0] != '.' ||
 		    dirbuf.dotdot_name[1] != '.') {
 			error = ENOTDIR;
 			break;
 		}
 		if (le32toh(dirbuf.dotdot_ino) == source->i_number) {
 			error = EINVAL;
 			break;
 		}
 		if (le32toh(dirbuf.dotdot_ino) == EXT2_ROOTINO)
 			break;
 		vput(vp);
 		if ((error = VFS_VGET(vp->v_mount, le32toh(dirbuf.dotdot_ino),
 		    LK_EXCLUSIVE, &vp)) != 0) {
 			vp = NULL;
 			break;
 		}
 	}
 
 out:
 	if (error == ENOTDIR)
 		SDT_PROBE2(ext2fs, , lookup, trace, 1,
 		    "checkpath: .. not a directory");
 	if (vp != NULL)
 		vput(vp);
 	return (error);
 }
diff --git a/sys/fs/ext2fs/ext2_vnops.c b/sys/fs/ext2fs/ext2_vnops.c
index 00389c927087..35e7ca77c732 100644
--- a/sys/fs/ext2fs/ext2_vnops.c
+++ b/sys/fs/ext2fs/ext2_vnops.c
@@ -1,2341 +1,2341 @@
 /*-
  *  modified for EXT2FS support in Lites 1.1
  *
  *  Aug 1995, Godmar Back (gback@cs.utah.edu)
  *  University of Utah, Department of Computer Science
  */
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1982, 1986, 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  * (c) UNIX System Laboratories, Inc.
  * All or some portions of this file are derived from material licensed
  * to the University of California by American Telephone and Telegraph
  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  * the permission of UNIX System Laboratories, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include "opt_suiddir.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/kernel.h>
 #include <sys/fcntl.h>
 #include <sys/filio.h>
 #include <sys/limits.h>
 #include <sys/sdt.h>
 #include <sys/stat.h>
 #include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/endian.h>
 #include <sys/priv.h>
 #include <sys/rwlock.h>
 #include <sys/mount.h>
 #include <sys/unistd.h>
 #include <sys/time.h>
 #include <sys/vnode.h>
 #include <sys/namei.h>
 #include <sys/lockf.h>
 #include <sys/event.h>
 #include <sys/conf.h>
 #include <sys/file.h>
 #include <sys/extattr.h>
 #include <sys/vmmeter.h>
 
 #include <vm/vm.h>
 #include <vm/vm_param.h>
 #include <vm/vm_extern.h>
 #include <vm/vm_object.h>
 #include <vm/vm_page.h>
 #include <vm/vm_pager.h>
 #include <vm/vnode_pager.h>
 
 #include "opt_directio.h"
 
 #include <ufs/ufs/dir.h>
 
 #include <fs/ext2fs/fs.h>
 #include <fs/ext2fs/inode.h>
 #include <fs/ext2fs/ext2_acl.h>
 #include <fs/ext2fs/ext2fs.h>
 #include <fs/ext2fs/ext2_extern.h>
 #include <fs/ext2fs/ext2_dinode.h>
 #include <fs/ext2fs/ext2_dir.h>
 #include <fs/ext2fs/ext2_mount.h>
 #include <fs/ext2fs/ext2_extattr.h>
 #include <fs/ext2fs/ext2_extents.h>
 
 SDT_PROVIDER_DECLARE(ext2fs);
 /*
  * ext2fs trace probe:
  * arg0: verbosity. Higher numbers give more verbose messages
  * arg1: Textual message
  */
 SDT_PROBE_DEFINE2(ext2fs, , vnops, trace, "int", "char*");
 
 static int ext2_makeinode(int mode, struct vnode *, struct vnode **, struct componentname *);
 static void ext2_itimes_locked(struct vnode *);
 
 static vop_access_t	ext2_access;
 static int ext2_chmod(struct vnode *, int, struct ucred *, struct thread *);
 static int ext2_chown(struct vnode *, uid_t, gid_t, struct ucred *,
     struct thread *);
 static vop_close_t	ext2_close;
 static vop_create_t	ext2_create;
 static vop_fsync_t	ext2_fsync;
 static vop_getattr_t	ext2_getattr;
 static vop_ioctl_t	ext2_ioctl;
 static vop_link_t	ext2_link;
 static vop_mkdir_t	ext2_mkdir;
 static vop_mknod_t	ext2_mknod;
 static vop_open_t	ext2_open;
 static vop_pathconf_t	ext2_pathconf;
 static vop_print_t	ext2_print;
 static vop_read_t	ext2_read;
 static vop_readlink_t	ext2_readlink;
 static vop_remove_t	ext2_remove;
 static vop_rename_t	ext2_rename;
 static vop_rmdir_t	ext2_rmdir;
 static vop_setattr_t	ext2_setattr;
 static vop_strategy_t	ext2_strategy;
 static vop_symlink_t	ext2_symlink;
 static vop_write_t	ext2_write;
 static vop_deleteextattr_t	ext2_deleteextattr;
 static vop_getextattr_t	ext2_getextattr;
 static vop_listextattr_t	ext2_listextattr;
 static vop_setextattr_t	ext2_setextattr;
 static vop_vptofh_t	ext2_vptofh;
 static vop_close_t	ext2fifo_close;
 
 /* Global vfs data structures for ext2. */
 struct vop_vector ext2_vnodeops = {
 	.vop_default =		&default_vnodeops,
 	.vop_access =		ext2_access,
 	.vop_bmap =		ext2_bmap,
 	.vop_cachedlookup =	ext2_lookup,
 	.vop_close =		ext2_close,
 	.vop_create =		ext2_create,
 	.vop_fsync =		ext2_fsync,
 	.vop_getpages =		vnode_pager_local_getpages,
 	.vop_getpages_async =	vnode_pager_local_getpages_async,
 	.vop_getattr =		ext2_getattr,
 	.vop_inactive =		ext2_inactive,
 	.vop_ioctl =		ext2_ioctl,
 	.vop_link =		ext2_link,
 	.vop_lookup =		vfs_cache_lookup,
 	.vop_mkdir =		ext2_mkdir,
 	.vop_mknod =		ext2_mknod,
 	.vop_open =		ext2_open,
 	.vop_pathconf =		ext2_pathconf,
 	.vop_poll =		vop_stdpoll,
 	.vop_print =		ext2_print,
 	.vop_read =		ext2_read,
 	.vop_readdir =		ext2_readdir,
 	.vop_readlink =		ext2_readlink,
 	.vop_reallocblks =	ext2_reallocblks,
 	.vop_reclaim =		ext2_reclaim,
 	.vop_remove =		ext2_remove,
 	.vop_rename =		ext2_rename,
 	.vop_rmdir =		ext2_rmdir,
 	.vop_setattr =		ext2_setattr,
 	.vop_strategy =		ext2_strategy,
 	.vop_symlink =		ext2_symlink,
 	.vop_write =		ext2_write,
 	.vop_deleteextattr =	ext2_deleteextattr,
 	.vop_getextattr =	ext2_getextattr,
 	.vop_listextattr =	ext2_listextattr,
 	.vop_setextattr =	ext2_setextattr,
 #ifdef UFS_ACL
 	.vop_getacl =		ext2_getacl,
 	.vop_setacl =		ext2_setacl,
 	.vop_aclcheck =		ext2_aclcheck,
 #endif /* UFS_ACL */
 	.vop_vptofh =		ext2_vptofh,
 };
 VFS_VOP_VECTOR_REGISTER(ext2_vnodeops);
 
 struct vop_vector ext2_fifoops = {
 	.vop_default =		&fifo_specops,
 	.vop_access =		ext2_access,
 	.vop_close =		ext2fifo_close,
 	.vop_fsync =		ext2_fsync,
 	.vop_getattr =		ext2_getattr,
 	.vop_inactive =		ext2_inactive,
 	.vop_pathconf =		ext2_pathconf,
 	.vop_print =		ext2_print,
 	.vop_read =		VOP_PANIC,
 	.vop_reclaim =		ext2_reclaim,
 	.vop_setattr =		ext2_setattr,
 	.vop_write =		VOP_PANIC,
 	.vop_vptofh =		ext2_vptofh,
 };
 VFS_VOP_VECTOR_REGISTER(ext2_fifoops);
 
 /*
  * A virgin directory (no blushing please).
  * Note that the type and namlen fields are reversed relative to ext2.
  * Also, we don't use `struct odirtemplate', since it would just cause
  * endianness problems.
  */
 static struct dirtemplate mastertemplate = {
 	0, htole16(12), 1, EXT2_FT_DIR, ".",
 	0, htole16(DIRBLKSIZ - 12), 2, EXT2_FT_DIR, ".."
 };
 static struct dirtemplate omastertemplate = {
 	0, htole16(12), 1, EXT2_FT_UNKNOWN, ".",
 	0, htole16(DIRBLKSIZ - 12), 2, EXT2_FT_UNKNOWN, ".."
 };
 
 static void
 ext2_itimes_locked(struct vnode *vp)
 {
 	struct inode *ip;
 	struct timespec ts;
 
 	ASSERT_VI_LOCKED(vp, __func__);
 
 	ip = VTOI(vp);
 	if ((ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE)) == 0)
 		return;
 	if (VN_ISDEV(vp))
 		ip->i_flag |= IN_LAZYMOD;
 	else
 		ip->i_flag |= IN_MODIFIED;
 	if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
 		vfs_timestamp(&ts);
 		if (ip->i_flag & IN_ACCESS) {
 			ip->i_atime = ts.tv_sec;
 			ip->i_atimensec = ts.tv_nsec;
 		}
 		if (ip->i_flag & IN_UPDATE) {
 			ip->i_mtime = ts.tv_sec;
 			ip->i_mtimensec = ts.tv_nsec;
 			ip->i_modrev++;
 		}
 		if (ip->i_flag & IN_CHANGE) {
 			ip->i_ctime = ts.tv_sec;
 			ip->i_ctimensec = ts.tv_nsec;
 		}
 	}
 	ip->i_flag &= ~(IN_ACCESS | IN_CHANGE | IN_UPDATE);
 }
 
 void
 ext2_itimes(struct vnode *vp)
 {
 
 	VI_LOCK(vp);
 	ext2_itimes_locked(vp);
 	VI_UNLOCK(vp);
 }
 
 /*
  * Create a regular file
  */
 static int
 ext2_create(struct vop_create_args *ap)
 {
 	int error;
 
 	error =
 	    ext2_makeinode(MAKEIMODE(ap->a_vap->va_type, ap->a_vap->va_mode),
 	    ap->a_dvp, ap->a_vpp, ap->a_cnp);
 	if (error != 0)
 		return (error);
 	if ((ap->a_cnp->cn_flags & MAKEENTRY) != 0)
 		cache_enter(ap->a_dvp, *ap->a_vpp, ap->a_cnp);
 	return (0);
 }
 
 static int
 ext2_open(struct vop_open_args *ap)
 {
 
 	if (VN_ISDEV(ap->a_vp))
 		return (EOPNOTSUPP);
 
 	/*
 	 * Files marked append-only must be opened for appending.
 	 */
 	if ((VTOI(ap->a_vp)->i_flags & APPEND) &&
 	    (ap->a_mode & (FWRITE | O_APPEND)) == FWRITE)
 		return (EPERM);
 
 	vnode_create_vobject(ap->a_vp, VTOI(ap->a_vp)->i_size, ap->a_td);
 
 	return (0);
 }
 
 /*
  * Close called.
  *
  * Update the times on the inode.
  */
 static int
 ext2_close(struct vop_close_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 
 	VI_LOCK(vp);
 	if (vp->v_usecount > 1)
 		ext2_itimes_locked(vp);
 	VI_UNLOCK(vp);
 	return (0);
 }
 
 static int
 ext2_access(struct vop_access_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct inode *ip = VTOI(vp);
 	accmode_t accmode = ap->a_accmode;
 	int error;
 
 	/*
 	 * Disallow write attempts on read-only file systems;
 	 * unless the file is a socket, fifo, or a block or
 	 * character device resident on the file system.
 	 */
 	if (accmode & VWRITE) {
 		switch (vp->v_type) {
 		case VDIR:
 		case VLNK:
 		case VREG:
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
 		default:
 			break;
 		}
 	}
 
 	/* If immutable bit set, nobody gets to write it. */
 	if ((accmode & VWRITE) && (ip->i_flags & SF_IMMUTABLE))
 		return (EPERM);
 
 	error = vaccess(vp->v_type, ip->i_mode, ip->i_uid, ip->i_gid,
 	    ap->a_accmode, ap->a_cred);
 	return (error);
 }
 
 static int
 ext2_getattr(struct vop_getattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct inode *ip = VTOI(vp);
 	struct vattr *vap = ap->a_vap;
 
 	ext2_itimes(vp);
 	/*
 	 * Copy from inode table
 	 */
 	vap->va_fsid = dev2udev(ip->i_devvp->v_rdev);
 	vap->va_fileid = ip->i_number;
 	vap->va_mode = ip->i_mode & ~IFMT;
 	vap->va_nlink = ip->i_nlink;
 	vap->va_uid = ip->i_uid;
 	vap->va_gid = ip->i_gid;
 	vap->va_rdev = VN_ISDEV(vp) ? ip->i_rdev : NODEV;
 	vap->va_size = ip->i_size;
 	vap->va_atime.tv_sec = ip->i_atime;
 	vap->va_atime.tv_nsec = E2DI_HAS_XTIME(ip) ? ip->i_atimensec : 0;
 	vap->va_mtime.tv_sec = ip->i_mtime;
 	vap->va_mtime.tv_nsec = E2DI_HAS_XTIME(ip) ? ip->i_mtimensec : 0;
 	vap->va_ctime.tv_sec = ip->i_ctime;
 	vap->va_ctime.tv_nsec = E2DI_HAS_XTIME(ip) ? ip->i_ctimensec : 0;
 	if (E2DI_HAS_XTIME(ip)) {
 		vap->va_birthtime.tv_sec = ip->i_birthtime;
 		vap->va_birthtime.tv_nsec = ip->i_birthnsec;
 	}
 	vap->va_flags = ip->i_flags;
 	vap->va_gen = ip->i_gen;
 	vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize;
 	vap->va_bytes = dbtob((u_quad_t)ip->i_blocks);
 	vap->va_type = IFTOVT(ip->i_mode);
 	vap->va_filerev = ip->i_modrev;
 	return (0);
 }
 
 /*
  * Set attribute vnode op. called from several syscalls
  */
 static int
 ext2_setattr(struct vop_setattr_args *ap)
 {
 	struct vattr *vap = ap->a_vap;
 	struct vnode *vp = ap->a_vp;
 	struct inode *ip = VTOI(vp);
 	struct ucred *cred = ap->a_cred;
 	struct thread *td = curthread;
 	int error;
 
 	/*
 	 * Check for unsettable attributes.
 	 */
 	if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
 	    (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
 	    (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) ||
 	    ((int)vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
 		return (EINVAL);
 	}
 	if (vap->va_flags != VNOVAL) {
 		/* Disallow flags not supported by ext2fs. */
 		if (vap->va_flags & ~(SF_APPEND | SF_IMMUTABLE | UF_NODUMP))
 			return (EOPNOTSUPP);
 
 		if (vp->v_mount->mnt_flag & MNT_RDONLY)
 			return (EROFS);
 		/*
 		 * Callers may only modify the file flags on objects they
 		 * have VADMIN rights for.
 		 */
 		if ((error = VOP_ACCESS(vp, VADMIN, cred, td)))
 			return (error);
 		/*
 		 * Unprivileged processes and privileged processes in
 		 * jail() are not permitted to unset system flags, or
 		 * modify flags if any system flags are set.
 		 * Privileged non-jail processes may not modify system flags
 		 * if securelevel > 0 and any existing system flags are set.
 		 */
 		if (!priv_check_cred(cred, PRIV_VFS_SYSFLAGS)) {
 			if (ip->i_flags & (SF_IMMUTABLE | SF_APPEND)) {
 				error = securelevel_gt(cred, 0);
 				if (error)
 					return (error);
 			}
 		} else {
 			if (ip->i_flags & (SF_IMMUTABLE | SF_APPEND) ||
 			    ((vap->va_flags ^ ip->i_flags) & SF_SETTABLE))
 				return (EPERM);
 		}
 		ip->i_flags = vap->va_flags;
 		ip->i_flag |= IN_CHANGE;
 		if (ip->i_flags & (IMMUTABLE | APPEND))
 			return (0);
 	}
 	if (ip->i_flags & (IMMUTABLE | APPEND))
 		return (EPERM);
 	/*
 	 * Go through the fields and update iff not VNOVAL.
 	 */
 	if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
 		if (vp->v_mount->mnt_flag & MNT_RDONLY)
 			return (EROFS);
 		if ((error = ext2_chown(vp, vap->va_uid, vap->va_gid, cred,
 		    td)) != 0)
 			return (error);
 	}
 	if (vap->va_size != VNOVAL) {
 		/*
 		 * Disallow write attempts on read-only file systems;
 		 * unless the file is a socket, fifo, or a block or
 		 * character device resident on the file system.
 		 */
 		switch (vp->v_type) {
 		case VDIR:
 			return (EISDIR);
 		case VLNK:
 		case VREG:
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
 		default:
 			break;
 		}
 		if ((error = ext2_truncate(vp, vap->va_size, 0, cred, td)) != 0)
 			return (error);
 	}
 	if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
 		if (vp->v_mount->mnt_flag & MNT_RDONLY)
 			return (EROFS);
 		/*
 		 * From utimes(2):
 		 * If times is NULL, ... The caller must be the owner of
 		 * the file, have permission to write the file, or be the
 		 * super-user.
 		 * If times is non-NULL, ... The caller must be the owner of
 		 * the file or be the super-user.
 		 */
 		if ((error = VOP_ACCESS(vp, VADMIN, cred, td)) &&
 		    ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
 		    (error = VOP_ACCESS(vp, VWRITE, cred, td))))
 			return (error);
 		ip->i_flag |= IN_CHANGE | IN_MODIFIED;
 		if (vap->va_atime.tv_sec != VNOVAL) {
 			ip->i_flag &= ~IN_ACCESS;
 			ip->i_atime = vap->va_atime.tv_sec;
 			ip->i_atimensec = vap->va_atime.tv_nsec;
 		}
 		if (vap->va_mtime.tv_sec != VNOVAL) {
 			ip->i_flag &= ~IN_UPDATE;
 			ip->i_mtime = vap->va_mtime.tv_sec;
 			ip->i_mtimensec = vap->va_mtime.tv_nsec;
 		}
 		if (E2DI_HAS_XTIME(ip) && vap->va_birthtime.tv_sec != VNOVAL) {
 			ip->i_birthtime = vap->va_birthtime.tv_sec;
 			ip->i_birthnsec = vap->va_birthtime.tv_nsec;
 		}
 		error = ext2_update(vp, 0);
 		if (error)
 			return (error);
 	}
 	error = 0;
 	if (vap->va_mode != (mode_t)VNOVAL) {
 		if (vp->v_mount->mnt_flag & MNT_RDONLY)
 			return (EROFS);
 		error = ext2_chmod(vp, (int)vap->va_mode, cred, td);
 	}
 	return (error);
 }
 
 /*
  * Change the mode on a file.
  * Inode must be locked before calling.
  */
 static int
 ext2_chmod(struct vnode *vp, int mode, struct ucred *cred, struct thread *td)
 {
 	struct inode *ip = VTOI(vp);
 	int error;
 
 	/*
 	 * To modify the permissions on a file, must possess VADMIN
 	 * for that file.
 	 */
 	if ((error = VOP_ACCESS(vp, VADMIN, cred, td)))
 		return (error);
 	/*
 	 * Privileged processes may set the sticky bit on non-directories,
 	 * as well as set the setgid bit on a file with a group that the
 	 * process is not a member of.
 	 */
 	if (vp->v_type != VDIR && (mode & S_ISTXT)) {
 		error = priv_check_cred(cred, PRIV_VFS_STICKYFILE);
 		if (error)
 			return (EFTYPE);
 	}
 	if (!groupmember(ip->i_gid, cred) && (mode & ISGID)) {
 		error = priv_check_cred(cred, PRIV_VFS_SETGID);
 		if (error)
 			return (error);
 	}
 	ip->i_mode &= ~ALLPERMS;
 	ip->i_mode |= (mode & ALLPERMS);
 	ip->i_flag |= IN_CHANGE;
 	return (0);
 }
 
 /*
  * Perform chown operation on inode ip;
  * inode must be locked prior to call.
  */
 static int
 ext2_chown(struct vnode *vp, uid_t uid, gid_t gid, struct ucred *cred,
     struct thread *td)
 {
 	struct inode *ip = VTOI(vp);
 	uid_t ouid;
 	gid_t ogid;
 	int error = 0;
 
 	if (uid == (uid_t)VNOVAL)
 		uid = ip->i_uid;
 	if (gid == (gid_t)VNOVAL)
 		gid = ip->i_gid;
 	/*
 	 * To modify the ownership of a file, must possess VADMIN
 	 * for that file.
 	 */
 	if ((error = VOP_ACCESS(vp, VADMIN, cred, td)))
 		return (error);
 	/*
 	 * To change the owner of a file, or change the group of a file
 	 * to a group of which we are not a member, the caller must
 	 * have privilege.
 	 */
 	if (uid != ip->i_uid || (gid != ip->i_gid &&
 	    !groupmember(gid, cred))) {
 		error = priv_check_cred(cred, PRIV_VFS_CHOWN);
 		if (error)
 			return (error);
 	}
 	ogid = ip->i_gid;
 	ouid = ip->i_uid;
 	ip->i_gid = gid;
 	ip->i_uid = uid;
 	ip->i_flag |= IN_CHANGE;
 	if ((ip->i_mode & (ISUID | ISGID)) && (ouid != uid || ogid != gid)) {
 		if (priv_check_cred(cred, PRIV_VFS_RETAINSUGID) != 0)
 			ip->i_mode &= ~(ISUID | ISGID);
 	}
 	return (0);
 }
 
 /*
  * Synch an open file.
  */
 /* ARGSUSED */
 static int
 ext2_fsync(struct vop_fsync_args *ap)
 {
 	/*
 	 * Flush all dirty buffers associated with a vnode.
 	 */
 
 	vop_stdfsync(ap);
 
 	return (ext2_update(ap->a_vp, ap->a_waitfor == MNT_WAIT));
 }
 
 static int
 ext2_check_mknod_limits(dev_t dev)
 {
 	unsigned maj = major(dev);
 	unsigned min = minor(dev);
 
 	if (maj > EXT2_MAJOR_MAX || min > EXT2_MINOR_MAX)
 		return (EINVAL);
 
 	return (0);
 }
 
 /*
  * Mknod vnode call
  */
 /* ARGSUSED */
 static int
 ext2_mknod(struct vop_mknod_args *ap)
 {
 	struct vattr *vap = ap->a_vap;
 	struct vnode **vpp = ap->a_vpp;
 	struct inode *ip;
 	ino_t ino;
 	int error;
 
 	if (vap->va_rdev != VNOVAL) {
 		error = ext2_check_mknod_limits(vap->va_rdev);
 		if (error)
 			return (error);
 	}
 
 	error = ext2_makeinode(MAKEIMODE(vap->va_type, vap->va_mode),
 	    ap->a_dvp, vpp, ap->a_cnp);
 	if (error)
 		return (error);
 	ip = VTOI(*vpp);
 	ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE;
 	if (vap->va_rdev != VNOVAL)
 		ip->i_rdev = vap->va_rdev;
 
 	/*
 	 * Remove inode, then reload it through VFS_VGET so it is
 	 * checked to see if it is an alias of an existing entry in
 	 * the inode cache.	 XXX I don't believe this is necessary now.
 	 */
 	(*vpp)->v_type = VNON;
 	ino = ip->i_number;	/* Save this before vgone() invalidates ip. */
 	vgone(*vpp);
 	vput(*vpp);
 	error = VFS_VGET(ap->a_dvp->v_mount, ino, LK_EXCLUSIVE, vpp);
 	if (error) {
 		*vpp = NULL;
 		return (error);
 	}
 	return (0);
 }
 
 static int
 ext2_remove(struct vop_remove_args *ap)
 {
 	struct inode *ip;
 	struct vnode *vp = ap->a_vp;
 	struct vnode *dvp = ap->a_dvp;
 	int error;
 
 	ip = VTOI(vp);
 	if ((ip->i_flags & (NOUNLINK | IMMUTABLE | APPEND)) ||
 	    (VTOI(dvp)->i_flags & APPEND)) {
 		error = EPERM;
 		goto out;
 	}
 	error = ext2_dirremove(dvp, ap->a_cnp);
 	if (error == 0) {
 		ip->i_nlink--;
 		ip->i_flag |= IN_CHANGE;
 	}
 out:
 	return (error);
 }
 
 /*
  * link vnode call
  */
 static int
 ext2_link(struct vop_link_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode *tdvp = ap->a_tdvp;
 	struct componentname *cnp = ap->a_cnp;
 	struct inode *ip;
 	int error;
 
 	ip = VTOI(vp);
 	if ((nlink_t)ip->i_nlink >= EXT4_LINK_MAX) {
 		error = EMLINK;
 		goto out;
 	}
 	if (ip->i_flags & (IMMUTABLE | APPEND)) {
 		error = EPERM;
 		goto out;
 	}
 	ip->i_nlink++;
 	ip->i_flag |= IN_CHANGE;
 	error = ext2_update(vp, !DOINGASYNC(vp));
 	if (!error)
 		error = ext2_direnter(ip, tdvp, cnp);
 	if (error) {
 		ip->i_nlink--;
 		ip->i_flag |= IN_CHANGE;
 	}
 out:
 	return (error);
 }
 
 static int
 ext2_inc_nlink(struct inode *ip)
 {
 
 	ip->i_nlink++;
 
 	if (S_ISDIR(ip->i_mode) &&
 	    EXT2_HAS_RO_COMPAT_FEATURE(ip->i_e2fs, EXT2F_ROCOMPAT_DIR_NLINK) &&
 	    ip->i_nlink > 1) {
 		if (ip->i_nlink >= EXT4_LINK_MAX || ip->i_nlink == 2)
 			ip->i_nlink = 1;
 	} else if (ip->i_nlink > EXT4_LINK_MAX) {
 		ip->i_nlink--;
 		return (EMLINK);
 	}
 
 	return (0);
 }
 
 static void
 ext2_dec_nlink(struct inode *ip)
 {
 
 	if (!S_ISDIR(ip->i_mode) || ip->i_nlink > 2)
 		ip->i_nlink--;
 }
 
 /*
  * Rename system call.
  * 	rename("foo", "bar");
  * is essentially
  *	unlink("bar");
  *	link("foo", "bar");
  *	unlink("foo");
  * but ``atomically''.  Can't do full commit without saving state in the
  * inode on disk which isn't feasible at this time.  Best we can do is
  * always guarantee the target exists.
  *
  * Basic algorithm is:
  *
  * 1) Bump link count on source while we're linking it to the
  *    target.  This also ensure the inode won't be deleted out
  *    from underneath us while we work (it may be truncated by
  *    a concurrent `trunc' or `open' for creation).
  * 2) Link source to destination.  If destination already exists,
  *    delete it first.
  * 3) Unlink source reference to inode if still around. If a
  *    directory was moved and the parent of the destination
  *    is different from the source, patch the ".." entry in the
  *    directory.
  */
 static int
 ext2_rename(struct vop_rename_args *ap)
 {
 	struct vnode *tvp = ap->a_tvp;
 	struct vnode *tdvp = ap->a_tdvp;
 	struct vnode *fvp = ap->a_fvp;
 	struct vnode *fdvp = ap->a_fdvp;
 	struct componentname *tcnp = ap->a_tcnp;
 	struct componentname *fcnp = ap->a_fcnp;
 	struct inode *ip, *xp, *dp;
 	struct dirtemplate *dirbuf;
 	int doingdirectory = 0, oldparent = 0, newparent = 0;
 	int error = 0;
 	u_char namlen;
 
 	/*
 	 * Check for cross-device rename.
 	 */
 	if ((fvp->v_mount != tdvp->v_mount) ||
 	    (tvp && (fvp->v_mount != tvp->v_mount))) {
 		error = EXDEV;
 abortit:
 		if (tdvp == tvp)
 			vrele(tdvp);
 		else
 			vput(tdvp);
 		if (tvp)
 			vput(tvp);
 		vrele(fdvp);
 		vrele(fvp);
 		return (error);
 	}
 
 	if (tvp && ((VTOI(tvp)->i_flags & (NOUNLINK | IMMUTABLE | APPEND)) ||
 	    (VTOI(tdvp)->i_flags & APPEND))) {
 		error = EPERM;
 		goto abortit;
 	}
 
 	/*
 	 * Renaming a file to itself has no effect.  The upper layers should
 	 * not call us in that case.  Temporarily just warn if they do.
 	 */
 	if (fvp == tvp) {
 		SDT_PROBE2(ext2fs, , vnops, trace, 1,
 		    "rename: fvp == tvp (can't happen)");
 		error = 0;
 		goto abortit;
 	}
 
 	if ((error = vn_lock(fvp, LK_EXCLUSIVE)) != 0)
 		goto abortit;
 	dp = VTOI(fdvp);
 	ip = VTOI(fvp);
 	if (ip->i_nlink >= EXT4_LINK_MAX &&
 	    !EXT2_HAS_RO_COMPAT_FEATURE(ip->i_e2fs, EXT2F_ROCOMPAT_DIR_NLINK)) {
 		VOP_UNLOCK(fvp);
 		error = EMLINK;
 		goto abortit;
 	}
 	if ((ip->i_flags & (NOUNLINK | IMMUTABLE | APPEND))
 	    || (dp->i_flags & APPEND)) {
 		VOP_UNLOCK(fvp);
 		error = EPERM;
 		goto abortit;
 	}
 	if ((ip->i_mode & IFMT) == IFDIR) {
 		/*
 		 * Avoid ".", "..", and aliases of "." for obvious reasons.
 		 */
 		if ((fcnp->cn_namelen == 1 && fcnp->cn_nameptr[0] == '.') ||
 		    dp == ip || (fcnp->cn_flags | tcnp->cn_flags) & ISDOTDOT ||
 		    (ip->i_flag & IN_RENAME)) {
 			VOP_UNLOCK(fvp);
 			error = EINVAL;
 			goto abortit;
 		}
 		ip->i_flag |= IN_RENAME;
 		oldparent = dp->i_number;
 		doingdirectory++;
 	}
 	vrele(fdvp);
 
 	/*
 	 * When the target exists, both the directory
 	 * and target vnodes are returned locked.
 	 */
 	dp = VTOI(tdvp);
 	xp = NULL;
 	if (tvp)
 		xp = VTOI(tvp);
 
 	/*
 	 * 1) Bump link count while we're moving stuff
 	 *    around.  If we crash somewhere before
 	 *    completing our work, the link count
 	 *    may be wrong, but correctable.
 	 */
 	ext2_inc_nlink(ip);
 	ip->i_flag |= IN_CHANGE;
 	if ((error = ext2_update(fvp, !DOINGASYNC(fvp))) != 0) {
 		VOP_UNLOCK(fvp);
 		goto bad;
 	}
 
 	/*
 	 * If ".." must be changed (ie the directory gets a new
 	 * parent) then the source directory must not be in the
 	 * directory hierarchy above the target, as this would
 	 * orphan everything below the source directory. Also
 	 * the user must have write permission in the source so
 	 * as to be able to change "..". We must repeat the call
 	 * to namei, as the parent directory is unlocked by the
 	 * call to checkpath().
 	 */
 	error = VOP_ACCESS(fvp, VWRITE, tcnp->cn_cred, curthread);
 	VOP_UNLOCK(fvp);
 	if (oldparent != dp->i_number)
 		newparent = dp->i_number;
 	if (doingdirectory && newparent) {
 		if (error)	/* write access check above */
 			goto bad;
 		if (xp != NULL)
 			vput(tvp);
 		error = ext2_checkpath(ip, dp, tcnp->cn_cred);
 		if (error)
 			goto out;
-		VREF(tdvp);
+		vref(tdvp);
 		error = vfs_relookup(tdvp, &tvp, tcnp, true);
 		if (error)
 			goto out;
 		vrele(tdvp);
 		dp = VTOI(tdvp);
 		xp = NULL;
 		if (tvp)
 			xp = VTOI(tvp);
 	}
 	/*
 	 * 2) If target doesn't exist, link the target
 	 *    to the source and unlink the source.
 	 *    Otherwise, rewrite the target directory
 	 *    entry to reference the source inode and
 	 *    expunge the original entry's existence.
 	 */
 	if (xp == NULL) {
 		if (dp->i_devvp != ip->i_devvp)
 			panic("ext2_rename: EXDEV");
 		/*
 		 * Account for ".." in new directory.
 		 * When source and destination have the same
 		 * parent we don't fool with the link count.
 		 */
 		if (doingdirectory && newparent) {
 			error = ext2_inc_nlink(dp);
 			if (error)
 				goto bad;
 
 			dp->i_flag |= IN_CHANGE;
 			error = ext2_update(tdvp, !DOINGASYNC(tdvp));
 			if (error)
 				goto bad;
 		}
 		error = ext2_direnter(ip, tdvp, tcnp);
 		if (error) {
 			if (doingdirectory && newparent) {
 				ext2_dec_nlink(dp);
 				dp->i_flag |= IN_CHANGE;
 				(void)ext2_update(tdvp, 1);
 			}
 			goto bad;
 		}
 		vput(tdvp);
 	} else {
 		if (xp->i_devvp != dp->i_devvp || xp->i_devvp != ip->i_devvp)
 			panic("ext2_rename: EXDEV");
 		/*
 		 * Short circuit rename(foo, foo).
 		 */
 		if (xp->i_number == ip->i_number)
 			panic("ext2_rename: same file");
 		/*
 		 * If the parent directory is "sticky", then the user must
 		 * own the parent directory, or the destination of the rename,
 		 * otherwise the destination may not be changed (except by
 		 * root). This implements append-only directories.
 		 */
 		if ((dp->i_mode & S_ISTXT) && tcnp->cn_cred->cr_uid != 0 &&
 		    tcnp->cn_cred->cr_uid != dp->i_uid &&
 		    xp->i_uid != tcnp->cn_cred->cr_uid) {
 			error = EPERM;
 			goto bad;
 		}
 		/*
 		 * Target must be empty if a directory and have no links
 		 * to it. Also, ensure source and target are compatible
 		 * (both directories, or both not directories).
 		 */
 		if ((xp->i_mode & IFMT) == IFDIR) {
 			if (!ext2_dirempty(xp, dp->i_number, tcnp->cn_cred)) {
 				error = ENOTEMPTY;
 				goto bad;
 			}
 			if (!doingdirectory) {
 				error = ENOTDIR;
 				goto bad;
 			}
 			cache_purge(tdvp);
 		} else if (doingdirectory) {
 			error = EISDIR;
 			goto bad;
 		}
 		error = ext2_dirrewrite(dp, ip, tcnp);
 		if (error)
 			goto bad;
 		/*
 		 * If the target directory is in the same
 		 * directory as the source directory,
 		 * decrement the link count on the parent
 		 * of the target directory.
 		 */
 		if (doingdirectory && !newparent) {
 			ext2_dec_nlink(dp);
 			dp->i_flag |= IN_CHANGE;
 		}
 		vput(tdvp);
 		/*
 		 * Adjust the link count of the target to
 		 * reflect the dirrewrite above.  If this is
 		 * a directory it is empty and there are
 		 * no links to it, so we can squash the inode and
 		 * any space associated with it.  We disallowed
 		 * renaming over top of a directory with links to
 		 * it above, as the remaining link would point to
 		 * a directory without "." or ".." entries.
 		 */
 		ext2_dec_nlink(xp);
 		if (doingdirectory) {
 			if (xp->i_nlink > 2)
 				panic("ext2_rename: linked directory");
 			error = ext2_truncate(tvp, (off_t)0, IO_SYNC,
 			    tcnp->cn_cred, curthread);
 			xp->i_nlink = 0;
 		}
 		xp->i_flag |= IN_CHANGE;
 		vput(tvp);
 		xp = NULL;
 	}
 
 	/*
 	 * 3) Unlink the source.
 	 */
 	fcnp->cn_flags &= ~MODMASK;
 	fcnp->cn_flags |= LOCKPARENT | LOCKLEAF;
-	VREF(fdvp);
+	vref(fdvp);
 	error = vfs_relookup(fdvp, &fvp, fcnp, true);
 	if (error == 0)
 		vrele(fdvp);
 	if (fvp != NULL) {
 		xp = VTOI(fvp);
 		dp = VTOI(fdvp);
 	} else {
 		/*
 		 * From name has disappeared.  IN_RENAME is not sufficient
 		 * to protect against directory races due to timing windows,
 		 * so we can't panic here.
 		 */
 		vrele(ap->a_fvp);
 		return (0);
 	}
 	/*
 	 * Ensure that the directory entry still exists and has not
 	 * changed while the new name has been entered. If the source is
 	 * a file then the entry may have been unlinked or renamed. In
 	 * either case there is no further work to be done. If the source
 	 * is a directory then it cannot have been rmdir'ed; its link
 	 * count of three would cause a rmdir to fail with ENOTEMPTY.
 	 * The IN_RENAME flag ensures that it cannot be moved by another
 	 * rename.
 	 */
 	if (xp != ip) {
 		/*
 		 * From name resolves to a different inode.  IN_RENAME is
 		 * not sufficient protection against timing window races
 		 * so we can't panic here.
 		 */
 	} else {
 		/*
 		 * If the source is a directory with a
 		 * new parent, the link count of the old
 		 * parent directory must be decremented
 		 * and ".." set to point to the new parent.
 		 */
 		if (doingdirectory && newparent) {
 			ext2_dec_nlink(dp);
 			dp->i_flag |= IN_CHANGE;
 			dirbuf = malloc(dp->i_e2fs->e2fs_bsize, M_TEMP, M_WAITOK | M_ZERO);
 			error = vn_rdwr(UIO_READ, fvp, (caddr_t)dirbuf,
 			    ip->i_e2fs->e2fs_bsize, (off_t)0,
 			    UIO_SYSSPACE, IO_NODELOCKED | IO_NOMACCHECK,
 			    tcnp->cn_cred, NOCRED, NULL, NULL);
 			if (error == 0) {
 				/* Like ufs little-endian: */
 				namlen = dirbuf->dotdot_type;
 				if (namlen != 2 ||
 				    dirbuf->dotdot_name[0] != '.' ||
 				    dirbuf->dotdot_name[1] != '.') {
 					/*
 					 * The filesystem is in corrupted state,
 					 * need to run fsck to fix mangled dir
 					 * entry. From other side this error
 					 * need to be ignored because it is
 					 * too difficult to revert directories
 					 * to state before rename from this
 					 * point.
 					 */
 					ext2_dirbad(xp, (doff_t)12,
 					    "rename: mangled dir");
 				} else {
 					dirbuf->dotdot_ino = htole32(newparent);
 					/*
 					 * dirblock 0 could be htree root,
 					 * try both csum update functions.
 					 */
 					ext2_dirent_csum_set(ip,
 					    (struct ext2fs_direct_2 *)dirbuf);
 					ext2_dx_csum_set(ip,
 					    (struct ext2fs_direct_2 *)dirbuf);
 					(void)vn_rdwr(UIO_WRITE, fvp,
 					    (caddr_t)dirbuf,
 					    ip->i_e2fs->e2fs_bsize,
 					    (off_t)0, UIO_SYSSPACE,
 					    IO_NODELOCKED | IO_SYNC |
 					    IO_NOMACCHECK, tcnp->cn_cred,
 					    NOCRED, NULL, NULL);
 					cache_purge(fdvp);
 				}
 			}
 			free(dirbuf, M_TEMP);
 		}
 		error = ext2_dirremove(fdvp, fcnp);
 		if (!error) {
 			ext2_dec_nlink(xp);
 			xp->i_flag |= IN_CHANGE;
 		}
 		xp->i_flag &= ~IN_RENAME;
 	}
 	if (dp)
 		vput(fdvp);
 	if (xp)
 		vput(fvp);
 	vrele(ap->a_fvp);
 	return (error);
 
 bad:
 	if (xp)
 		vput(ITOV(xp));
 	vput(ITOV(dp));
 out:
 	if (doingdirectory)
 		ip->i_flag &= ~IN_RENAME;
 	if (vn_lock(fvp, LK_EXCLUSIVE) == 0) {
 		ext2_dec_nlink(ip);
 		ip->i_flag |= IN_CHANGE;
 		ip->i_flag &= ~IN_RENAME;
 		vput(fvp);
 	} else
 		vrele(fvp);
 	return (error);
 }
 
 #ifdef UFS_ACL
 static int
 ext2_do_posix1e_acl_inheritance_dir(struct vnode *dvp, struct vnode *tvp,
     mode_t dmode, struct ucred *cred, struct thread *td)
 {
 	int error;
 	struct inode *ip = VTOI(tvp);
 	struct acl *dacl, *acl;
 
 	acl = acl_alloc(M_WAITOK);
 	dacl = acl_alloc(M_WAITOK);
 
 	/*
 	 * Retrieve default ACL from parent, if any.
 	 */
 	error = VOP_GETACL(dvp, ACL_TYPE_DEFAULT, acl, cred, td);
 	switch (error) {
 	case 0:
 		/*
 		 * Retrieved a default ACL, so merge mode and ACL if
 		 * necessary.  If the ACL is empty, fall through to
 		 * the "not defined or available" case.
 		 */
 		if (acl->acl_cnt != 0) {
 			dmode = acl_posix1e_newfilemode(dmode, acl);
 			ip->i_mode = dmode;
 			*dacl = *acl;
 			ext2_sync_acl_from_inode(ip, acl);
 			break;
 		}
 		/* FALLTHROUGH */
 
 	case EOPNOTSUPP:
 		/*
 		 * Just use the mode as-is.
 		 */
 		ip->i_mode = dmode;
 		error = 0;
 		goto out;
 
 	default:
 		goto out;
 	}
 
 	error = VOP_SETACL(tvp, ACL_TYPE_ACCESS, acl, cred, td);
 	if (error == 0)
 		error = VOP_SETACL(tvp, ACL_TYPE_DEFAULT, dacl, cred, td);
 	switch (error) {
 	case 0:
 		break;
 
 	case EOPNOTSUPP:
 		/*
 		 * XXX: This should not happen, as EOPNOTSUPP above
 		 * was supposed to free acl.
 		 */
 #ifdef DEBUG
 		printf("ext2_mkdir: VOP_GETACL() but no VOP_SETACL()\n");
 #endif	/* DEBUG */
 		break;
 
 	default:
 		goto out;
 	}
 
 out:
 	acl_free(acl);
 	acl_free(dacl);
 
 	return (error);
 }
 
 static int
 ext2_do_posix1e_acl_inheritance_file(struct vnode *dvp, struct vnode *tvp,
     mode_t mode, struct ucred *cred, struct thread *td)
 {
 	int error;
 	struct inode *ip = VTOI(tvp);
 	struct acl *acl;
 
 	acl = acl_alloc(M_WAITOK);
 
 	/*
 	 * Retrieve default ACL for parent, if any.
 	 */
 	error = VOP_GETACL(dvp, ACL_TYPE_DEFAULT, acl, cred, td);
 	switch (error) {
 	case 0:
 		/*
 		 * Retrieved a default ACL, so merge mode and ACL if
 		 * necessary.
 		 */
 		if (acl->acl_cnt != 0) {
 			/*
 			 * Two possible ways for default ACL to not
 			 * be present.  First, the EA can be
 			 * undefined, or second, the default ACL can
 			 * be blank.  If it's blank, fall through to
 			 * the it's not defined case.
 			 */
 			mode = acl_posix1e_newfilemode(mode, acl);
 			ip->i_mode = mode;
 			ext2_sync_acl_from_inode(ip, acl);
 			break;
 		}
 		/* FALLTHROUGH */
 
 	case EOPNOTSUPP:
 		/*
 		 * Just use the mode as-is.
 		 */
 		ip->i_mode = mode;
 		error = 0;
 		goto out;
 
 	default:
 		goto out;
 	}
 
 	error = VOP_SETACL(tvp, ACL_TYPE_ACCESS, acl, cred, td);
 	switch (error) {
 	case 0:
 		break;
 
 	case EOPNOTSUPP:
 		/*
 		 * XXX: This should not happen, as EOPNOTSUPP above was
 		 * supposed to free acl.
 		 */
 		printf("ufs_do_posix1e_acl_inheritance_file: VOP_GETACL() "
 		    "but no VOP_SETACL()\n");
 		/* panic("ufs_do_posix1e_acl_inheritance_file: VOP_GETACL() "
 		    "but no VOP_SETACL()"); */
 		break;
 
 	default:
 		goto out;
 	}
 
 out:
 	acl_free(acl);
 
 	return (error);
 }
 
 #endif /* UFS_ACL */
 
 /*
  * Mkdir system call
  */
 static int
 ext2_mkdir(struct vop_mkdir_args *ap)
 {
 	struct m_ext2fs *fs;
 	struct vnode *dvp = ap->a_dvp;
 	struct vattr *vap = ap->a_vap;
 	struct componentname *cnp = ap->a_cnp;
 	struct inode *ip, *dp;
 	struct vnode *tvp;
 	struct dirtemplate dirtemplate, *dtp;
 	char *buf = NULL;
 	int error, dmode;
 
 	dp = VTOI(dvp);
 	if ((nlink_t)dp->i_nlink >= EXT4_LINK_MAX &&
 	    !EXT2_HAS_RO_COMPAT_FEATURE(dp->i_e2fs, EXT2F_ROCOMPAT_DIR_NLINK)) {
 		error = EMLINK;
 		goto out;
 	}
 	dmode = vap->va_mode & 0777;
 	dmode |= IFDIR;
 	/*
 	 * Must simulate part of ext2_makeinode here to acquire the inode,
 	 * but not have it entered in the parent directory. The entry is
 	 * made later after writing "." and ".." entries.
 	 */
 	error = ext2_valloc(dvp, dmode, cnp->cn_cred, &tvp);
 	if (error)
 		goto out;
 	ip = VTOI(tvp);
 	fs = ip->i_e2fs;
 	ip->i_gid = dp->i_gid;
 #ifdef SUIDDIR
 	{
 		/*
 		 * if we are hacking owners here, (only do this where told to)
 		 * and we are not giving it TOO root, (would subvert quotas)
 		 * then go ahead and give it to the other user.
 		 * The new directory also inherits the SUID bit.
 		 * If user's UID and dir UID are the same,
 		 * 'give it away' so that the SUID is still forced on.
 		 */
 		if ((dvp->v_mount->mnt_flag & MNT_SUIDDIR) &&
 		    (dp->i_mode & ISUID) && dp->i_uid) {
 			dmode |= ISUID;
 			ip->i_uid = dp->i_uid;
 		} else {
 			ip->i_uid = cnp->cn_cred->cr_uid;
 		}
 	}
 #else
 	ip->i_uid = cnp->cn_cred->cr_uid;
 #endif
 	ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE;
 	ip->i_mode = dmode;
 	tvp->v_type = VDIR;	/* Rest init'd in getnewvnode(). */
 	ip->i_nlink = 2;
 	if (cnp->cn_flags & ISWHITEOUT)
 		ip->i_flags |= UF_OPAQUE;
 	error = ext2_update(tvp, 1);
 
 	/*
 	 * Bump link count in parent directory
 	 * to reflect work done below.  Should
 	 * be done before reference is created
 	 * so reparation is possible if we crash.
 	 */
 	ext2_inc_nlink(dp);
 	dp->i_flag |= IN_CHANGE;
 	error = ext2_update(dvp, !DOINGASYNC(dvp));
 	if (error)
 		goto bad;
 
 	/* Initialize directory with "." and ".." from static template. */
 	if (EXT2_HAS_INCOMPAT_FEATURE(ip->i_e2fs,
 	    EXT2F_INCOMPAT_FTYPE))
 		dtp = &mastertemplate;
 	else
 		dtp = &omastertemplate;
 	dirtemplate = *dtp;
 	dirtemplate.dot_ino = htole32(ip->i_number);
 	dirtemplate.dotdot_ino = htole32(dp->i_number);
 	/*
 	 * note that in ext2 DIRBLKSIZ == blocksize, not DEV_BSIZE so let's
 	 * just redefine it - for this function only
 	 */
 #undef  DIRBLKSIZ
 #define DIRBLKSIZ  VTOI(dvp)->i_e2fs->e2fs_bsize
 	dirtemplate.dotdot_reclen = htole16(DIRBLKSIZ - 12);
 	buf = malloc(DIRBLKSIZ, M_TEMP, M_WAITOK | M_ZERO);
 	if (EXT2_HAS_RO_COMPAT_FEATURE(fs, EXT2F_ROCOMPAT_METADATA_CKSUM)) {
 		dirtemplate.dotdot_reclen =
 		    htole16(le16toh(dirtemplate.dotdot_reclen) -
 		    sizeof(struct ext2fs_direct_tail));
 		ext2_init_dirent_tail(EXT2_DIRENT_TAIL(buf, DIRBLKSIZ));
 	}
 	memcpy(buf, &dirtemplate, sizeof(dirtemplate));
 	ext2_dirent_csum_set(ip, (struct ext2fs_direct_2 *)buf);
 	error = vn_rdwr(UIO_WRITE, tvp, (caddr_t)buf,
 	    DIRBLKSIZ, (off_t)0, UIO_SYSSPACE,
 	    IO_NODELOCKED | IO_SYNC | IO_NOMACCHECK, cnp->cn_cred, NOCRED,
 	    NULL, NULL);
 	if (error) {
 		ext2_dec_nlink(dp);
 		dp->i_flag |= IN_CHANGE;
 		goto bad;
 	}
 	if (DIRBLKSIZ > VFSTOEXT2(dvp->v_mount)->um_mountp->mnt_stat.f_bsize)
 		/* XXX should grow with balloc() */
 		panic("ext2_mkdir: blksize");
 	else {
 		ip->i_size = DIRBLKSIZ;
 		ip->i_flag |= IN_CHANGE;
 	}
 
 #ifdef UFS_ACL
 	if (dvp->v_mount->mnt_flag & MNT_ACLS) {
 		error = ext2_do_posix1e_acl_inheritance_dir(dvp, tvp, dmode,
 		    cnp->cn_cred, curthread);
 		if (error)
 			goto bad;
 	}
 
 #endif /* UFS_ACL */
 
 	/* Directory set up, now install its entry in the parent directory. */
 	error = ext2_direnter(ip, dvp, cnp);
 	if (error) {
 		ext2_dec_nlink(dp);
 		dp->i_flag |= IN_CHANGE;
 	}
 bad:
 	/*
 	 * No need to do an explicit VOP_TRUNCATE here, vrele will do this
 	 * for us because we set the link count to 0.
 	 */
 	if (error) {
 		ip->i_nlink = 0;
 		ip->i_flag |= IN_CHANGE;
 		vput(tvp);
 	} else
 		*ap->a_vpp = tvp;
 out:
 	free(buf, M_TEMP);
 	return (error);
 #undef  DIRBLKSIZ
 #define DIRBLKSIZ  DEV_BSIZE
 }
 
 /*
  * Rmdir system call.
  */
 static int
 ext2_rmdir(struct vop_rmdir_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode *dvp = ap->a_dvp;
 	struct componentname *cnp = ap->a_cnp;
 	struct inode *ip, *dp;
 	int error;
 
 	ip = VTOI(vp);
 	dp = VTOI(dvp);
 
 	/*
 	 * Verify the directory is empty (and valid).
 	 * (Rmdir ".." won't be valid since
 	 *  ".." will contain a reference to
 	 *  the current directory and thus be
 	 *  non-empty.)
 	 */
 	if (!ext2_dirempty(ip, dp->i_number, cnp->cn_cred)) {
 		error = ENOTEMPTY;
 		goto out;
 	}
 	if ((dp->i_flags & APPEND)
 	    || (ip->i_flags & (NOUNLINK | IMMUTABLE | APPEND))) {
 		error = EPERM;
 		goto out;
 	}
 	/*
 	 * Delete reference to directory before purging
 	 * inode.  If we crash in between, the directory
 	 * will be reattached to lost+found,
 	 */
 	error = ext2_dirremove(dvp, cnp);
 	if (error)
 		goto out;
 	ext2_dec_nlink(dp);
 	dp->i_flag |= IN_CHANGE;
 	cache_purge(dvp);
 	VOP_UNLOCK(dvp);
 	/*
 	 * Truncate inode.  The only stuff left
 	 * in the directory is "." and "..".
 	 */
 	ip->i_nlink = 0;
 	error = ext2_truncate(vp, (off_t)0, IO_SYNC, cnp->cn_cred,
 	    curthread);
 	cache_purge(ITOV(ip));
 	if (vn_lock(dvp, LK_EXCLUSIVE | LK_NOWAIT) != 0) {
 		VOP_UNLOCK(vp);
 		vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	}
 out:
 	return (error);
 }
 
 /*
  * symlink -- make a symbolic link
  */
 static int
 ext2_symlink(struct vop_symlink_args *ap)
 {
 	struct vnode *vp, **vpp = ap->a_vpp;
 	struct inode *ip;
 	int len, error;
 
 	error = ext2_makeinode(IFLNK | ap->a_vap->va_mode, ap->a_dvp,
 	    vpp, ap->a_cnp);
 	if (error)
 		return (error);
 	vp = *vpp;
 	len = strlen(ap->a_target);
 	if (len < VFSTOEXT2(vp->v_mount)->um_e2fs->e2fs_maxsymlinklen) {
 		ip = VTOI(vp);
 		bcopy(ap->a_target, (char *)ip->i_shortlink, len);
 		ip->i_size = len;
 		ip->i_flag |= IN_CHANGE | IN_UPDATE;
 	} else
 		error = vn_rdwr(UIO_WRITE, vp, __DECONST(void *, ap->a_target),
 		    len, (off_t)0, UIO_SYSSPACE, IO_NODELOCKED | IO_NOMACCHECK,
 		    ap->a_cnp->cn_cred, NOCRED, NULL, NULL);
 	if (error)
 		vput(vp);
 	return (error);
 }
 
 /*
  * Return target name of a symbolic link
  */
 static int
 ext2_readlink(struct vop_readlink_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct inode *ip = VTOI(vp);
 	int isize;
 
 	isize = ip->i_size;
 	if (isize < VFSTOEXT2(vp->v_mount)->um_e2fs->e2fs_maxsymlinklen) {
 		uiomove((char *)ip->i_shortlink, isize, ap->a_uio);
 		return (0);
 	}
 	return (VOP_READ(vp, ap->a_uio, 0, ap->a_cred));
 }
 
 /*
  * Calculate the logical to physical mapping if not done already,
  * then call the device strategy routine.
  *
  * In order to be able to swap to a file, the ext2_bmaparray() operation may not
  * deadlock on memory.  See ext2_bmap() for details.
  */
 static int
 ext2_strategy(struct vop_strategy_args *ap)
 {
 	struct buf *bp = ap->a_bp;
 	struct vnode *vp = ap->a_vp;
 	struct bufobj *bo;
 	daddr_t blkno;
 	int error;
 
 	if (VN_ISDEV(vp))
 		panic("ext2_strategy: spec");
 	if (bp->b_blkno == bp->b_lblkno) {
 		if (VTOI(ap->a_vp)->i_flag & IN_E4EXTENTS)
 			error = ext4_bmapext(vp, bp->b_lblkno, &blkno, NULL, NULL);
 		else
 			error = ext2_bmaparray(vp, bp->b_lblkno, &blkno, NULL, NULL);
 
 		bp->b_blkno = blkno;
 		if (error) {
 			bp->b_error = error;
 			bp->b_ioflags |= BIO_ERROR;
 			bufdone(bp);
 			return (0);
 		}
 		if ((long)bp->b_blkno == -1)
 			vfs_bio_clrbuf(bp);
 	}
 	if ((long)bp->b_blkno == -1) {
 		bufdone(bp);
 		return (0);
 	}
 	bp->b_iooffset = dbtob(bp->b_blkno);
 	bo = VFSTOEXT2(vp->v_mount)->um_bo;
 	BO_STRATEGY(bo, bp);
 	return (0);
 }
 
 /*
  * Print out the contents of an inode.
  */
 static int
 ext2_print(struct vop_print_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct inode *ip = VTOI(vp);
 
 	vn_printf(ip->i_devvp, "\tino %ju", (uintmax_t)ip->i_number);
 	if (vp->v_type == VFIFO)
 		fifo_printinfo(vp);
 	printf("\n");
 	return (0);
 }
 
 /*
  * Close wrapper for fifos.
  *
  * Update the times on the inode then do device close.
  */
 static int
 ext2fifo_close(struct vop_close_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 
 	VI_LOCK(vp);
 	if (vp->v_usecount > 1)
 		ext2_itimes_locked(vp);
 	VI_UNLOCK(vp);
 	return (fifo_specops.vop_close(ap));
 }
 
 /*
  * Return POSIX pathconf information applicable to ext2 filesystems.
  */
 static int
 ext2_pathconf(struct vop_pathconf_args *ap)
 {
 	int error = 0;
 
 	switch (ap->a_name) {
 	case _PC_LINK_MAX:
 		if (EXT2_HAS_RO_COMPAT_FEATURE(VTOI(ap->a_vp)->i_e2fs,
 		    EXT2F_ROCOMPAT_DIR_NLINK))
 			*ap->a_retval = INT_MAX;
 		else
 			*ap->a_retval = EXT4_LINK_MAX;
 		break;
 	case _PC_NAME_MAX:
 		*ap->a_retval = NAME_MAX;
 		break;
 	case _PC_PIPE_BUF:
 		if (ap->a_vp->v_type == VDIR || ap->a_vp->v_type == VFIFO)
 			*ap->a_retval = PIPE_BUF;
 		else
 			error = EINVAL;
 		break;
 	case _PC_CHOWN_RESTRICTED:
 		*ap->a_retval = 1;
 		break;
 	case _PC_NO_TRUNC:
 		*ap->a_retval = 1;
 		break;
 
 #ifdef UFS_ACL
 	case _PC_ACL_EXTENDED:
 		if (ap->a_vp->v_mount->mnt_flag & MNT_ACLS)
 			*ap->a_retval = 1;
 		else
 			*ap->a_retval = 0;
 		break;
 	case _PC_ACL_PATH_MAX:
 		if (ap->a_vp->v_mount->mnt_flag & MNT_ACLS)
 			*ap->a_retval = ACL_MAX_ENTRIES;
 		else
 			*ap->a_retval = 3;
 		break;
 #endif /* UFS_ACL */
 
 	case _PC_MIN_HOLE_SIZE:
 		*ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize;
 		break;
 	case _PC_PRIO_IO:
 		*ap->a_retval = 0;
 		break;
 	case _PC_SYNC_IO:
 		*ap->a_retval = 0;
 		break;
 	case _PC_ALLOC_SIZE_MIN:
 		*ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_bsize;
 		break;
 	case _PC_FILESIZEBITS:
 		*ap->a_retval = 64;
 		break;
 	case _PC_REC_INCR_XFER_SIZE:
 		*ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize;
 		break;
 	case _PC_REC_MAX_XFER_SIZE:
 		*ap->a_retval = -1;	/* means ``unlimited'' */
 		break;
 	case _PC_REC_MIN_XFER_SIZE:
 		*ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize;
 		break;
 	case _PC_REC_XFER_ALIGN:
 		*ap->a_retval = PAGE_SIZE;
 		break;
 	case _PC_SYMLINK_MAX:
 		*ap->a_retval = MAXPATHLEN;
 		break;
 
 	default:
 		error = vop_stdpathconf(ap);
 		break;
 	}
 	return (error);
 }
 
 /*
  * Vnode operation to remove a named attribute.
  */
 static int
 ext2_deleteextattr(struct vop_deleteextattr_args *ap)
 {
 	struct inode *ip;
 	struct m_ext2fs *fs;
 	int error;
 
 	ip = VTOI(ap->a_vp);
 	fs = ip->i_e2fs;
 
 	if (!EXT2_HAS_COMPAT_FEATURE(ip->i_e2fs, EXT2F_COMPAT_EXT_ATTR))
 		return (EOPNOTSUPP);
 
 	if (VN_ISDEV(ap->a_vp))
 		return (EOPNOTSUPP);
 
 	error = extattr_check_cred(ap->a_vp, ap->a_attrnamespace,
 	    ap->a_cred, ap->a_td, VWRITE);
 	if (error)
 		return (error);
 
 	error = ENOATTR;
 
 	if (EXT2_INODE_SIZE(fs) != E2FS_REV0_INODE_SIZE) {
 		error = ext2_extattr_inode_delete(ip, ap->a_attrnamespace, ap->a_name);
 		if (error != ENOATTR)
 			return (error);
 	}
 
 	if (ip->i_facl)
 		error = ext2_extattr_block_delete(ip, ap->a_attrnamespace, ap->a_name);
 
 	return (error);
 }
 
 /*
  * Vnode operation to retrieve a named extended attribute.
  */
 static int
 ext2_getextattr(struct vop_getextattr_args *ap)
 {
 	struct inode *ip;
 	struct m_ext2fs *fs;
 	int error;
 
 	ip = VTOI(ap->a_vp);
 	fs = ip->i_e2fs;
 
 	if (!EXT2_HAS_COMPAT_FEATURE(ip->i_e2fs, EXT2F_COMPAT_EXT_ATTR))
 		return (EOPNOTSUPP);
 
 	if (VN_ISDEV(ap->a_vp))
 		return (EOPNOTSUPP);
 
 	error = extattr_check_cred(ap->a_vp, ap->a_attrnamespace,
 	    ap->a_cred, ap->a_td, VREAD);
 	if (error)
 		return (error);
 
 	if (ap->a_size != NULL)
 		*ap->a_size = 0;
 
 	error = ENOATTR;
 
 	if (EXT2_INODE_SIZE(fs) != E2FS_REV0_INODE_SIZE) {
 		error = ext2_extattr_inode_get(ip, ap->a_attrnamespace,
 		    ap->a_name, ap->a_uio, ap->a_size);
 		if (error != ENOATTR)
 			return (error);
 	}
 
 	if (ip->i_facl)
 		error = ext2_extattr_block_get(ip, ap->a_attrnamespace,
 		    ap->a_name, ap->a_uio, ap->a_size);
 
 	return (error);
 }
 
 /*
  * Vnode operation to retrieve extended attributes on a vnode.
  */
 static int
 ext2_listextattr(struct vop_listextattr_args *ap)
 {
 	struct inode *ip;
 	struct m_ext2fs *fs;
 	int error;
 
 	ip = VTOI(ap->a_vp);
 	fs = ip->i_e2fs;
 
 	if (!EXT2_HAS_COMPAT_FEATURE(ip->i_e2fs, EXT2F_COMPAT_EXT_ATTR))
 		return (EOPNOTSUPP);
 
 	if (VN_ISDEV(ap->a_vp))
 		return (EOPNOTSUPP);
 
 	error = extattr_check_cred(ap->a_vp, ap->a_attrnamespace,
 	    ap->a_cred, ap->a_td, VREAD);
 	if (error)
 		return (error);
 
 	if (ap->a_size != NULL)
 		*ap->a_size = 0;
 
 	if (EXT2_INODE_SIZE(fs) != E2FS_REV0_INODE_SIZE) {
 		error = ext2_extattr_inode_list(ip, ap->a_attrnamespace,
 		    ap->a_uio, ap->a_size);
 		if (error)
 			return (error);
 	}
 
 	if (ip->i_facl)
 		error = ext2_extattr_block_list(ip, ap->a_attrnamespace,
 		    ap->a_uio, ap->a_size);
 
 	return (error);
 }
 
 /*
  * Vnode operation to set a named attribute.
  */
 static int
 ext2_setextattr(struct vop_setextattr_args *ap)
 {
 	struct inode *ip;
 	struct m_ext2fs *fs;
 	int error;
 
 	ip = VTOI(ap->a_vp);
 	fs = ip->i_e2fs;
 
 	if (!EXT2_HAS_COMPAT_FEATURE(ip->i_e2fs, EXT2F_COMPAT_EXT_ATTR))
 		return (EOPNOTSUPP);
 
 	if (VN_ISDEV(ap->a_vp))
 		return (EOPNOTSUPP);
 
 	error = extattr_check_cred(ap->a_vp, ap->a_attrnamespace,
 	    ap->a_cred, ap->a_td, VWRITE);
 	if (error)
 		return (error);
 
 	error = ext2_extattr_valid_attrname(ap->a_attrnamespace, ap->a_name);
 	if (error)
 		return (error);
 
 	if (EXT2_INODE_SIZE(fs) != E2FS_REV0_INODE_SIZE) {
 		error = ext2_extattr_inode_set(ip, ap->a_attrnamespace,
 		    ap->a_name, ap->a_uio);
 		if (error != ENOSPC)
 			return (error);
 	}
 
 	error = ext2_extattr_block_set(ip, ap->a_attrnamespace,
 	    ap->a_name, ap->a_uio);
 
 	return (error);
 }
 
 /*
  * Vnode pointer to File handle
  */
 /* ARGSUSED */
 static int
 ext2_vptofh(struct vop_vptofh_args *ap)
 {
 	struct inode *ip;
 	struct ufid *ufhp;
 	_Static_assert(sizeof(struct ufid) <= sizeof(struct fid),
 	    "struct ufid cannot be larger than struct fid");
 
 	ip = VTOI(ap->a_vp);
 	ufhp = (struct ufid *)ap->a_fhp;
 	ufhp->ufid_len = sizeof(struct ufid);
 	ufhp->ufid_ino = ip->i_number;
 	ufhp->ufid_gen = ip->i_gen;
 	return (0);
 }
 
 /*
  * Initialize the vnode associated with a new inode, handle aliased
  * vnodes.
  */
 int
 ext2_vinit(struct mount *mntp, struct vop_vector *fifoops, struct vnode **vpp)
 {
 	struct inode *ip;
 	struct vnode *vp;
 
 	vp = *vpp;
 	ip = VTOI(vp);
 	vp->v_type = IFTOVT(ip->i_mode);
 	/*
 	 * Only unallocated inodes should be of type VNON.
 	 */
 	if (ip->i_mode != 0 && vp->v_type == VNON)
 		return (EINVAL);
 	if (vp->v_type == VFIFO)
 		vp->v_op = fifoops;
 
 	if (ip->i_number == EXT2_ROOTINO)
 		vp->v_vflag |= VV_ROOT;
 	ip->i_modrev = init_va_filerev();
 	*vpp = vp;
 	return (0);
 }
 
 /*
  * Allocate a new inode.
  */
 static int
 ext2_makeinode(int mode, struct vnode *dvp, struct vnode **vpp,
     struct componentname *cnp)
 {
 	struct inode *ip, *pdir;
 	struct vnode *tvp;
 	int error;
 
 	pdir = VTOI(dvp);
 	*vpp = NULL;
 	if ((mode & IFMT) == 0)
 		mode |= IFREG;
 
 	error = ext2_valloc(dvp, mode, cnp->cn_cred, &tvp);
 	if (error) {
 		return (error);
 	}
 	ip = VTOI(tvp);
 	ip->i_gid = pdir->i_gid;
 #ifdef SUIDDIR
 	{
 		/*
 		 * if we are
 		 * not the owner of the directory,
 		 * and we are hacking owners here, (only do this where told to)
 		 * and we are not giving it TOO root, (would subvert quotas)
 		 * then go ahead and give it to the other user.
 		 * Note that this drops off the execute bits for security.
 		 */
 		if ((dvp->v_mount->mnt_flag & MNT_SUIDDIR) &&
 		    (pdir->i_mode & ISUID) &&
 		    (pdir->i_uid != cnp->cn_cred->cr_uid) && pdir->i_uid) {
 			ip->i_uid = pdir->i_uid;
 			mode &= ~07111;
 		} else {
 			ip->i_uid = cnp->cn_cred->cr_uid;
 		}
 	}
 #else
 	ip->i_uid = cnp->cn_cred->cr_uid;
 #endif
 	ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE;
 	ip->i_mode = mode;
 	tvp->v_type = IFTOVT(mode);	/* Rest init'd in getnewvnode(). */
 	ip->i_nlink = 1;
 	if ((ip->i_mode & ISGID) && !groupmember(ip->i_gid, cnp->cn_cred)) {
 		if (priv_check_cred(cnp->cn_cred, PRIV_VFS_RETAINSUGID))
 			ip->i_mode &= ~ISGID;
 	}
 
 	if (cnp->cn_flags & ISWHITEOUT)
 		ip->i_flags |= UF_OPAQUE;
 
 	/*
 	 * Make sure inode goes to disk before directory entry.
 	 */
 	error = ext2_update(tvp, !DOINGASYNC(tvp));
 	if (error)
 		goto bad;
 
 #ifdef UFS_ACL
 	if (dvp->v_mount->mnt_flag & MNT_ACLS) {
 		error = ext2_do_posix1e_acl_inheritance_file(dvp, tvp, mode,
 		    cnp->cn_cred, curthread);
 		if (error)
 			goto bad;
 	}
 #endif /* UFS_ACL */
 
 	error = ext2_direnter(ip, dvp, cnp);
 	if (error)
 		goto bad;
 
 	*vpp = tvp;
 	return (0);
 
 bad:
 	/*
 	 * Write error occurred trying to update the inode
 	 * or the directory so must deallocate the inode.
 	 */
 	ip->i_nlink = 0;
 	ip->i_flag |= IN_CHANGE;
 	vput(tvp);
 	return (error);
 }
 
 /*
  * Vnode op for reading.
  */
 static int
 ext2_read(struct vop_read_args *ap)
 {
 	struct vnode *vp;
 	struct inode *ip;
 	struct uio *uio;
 	struct m_ext2fs *fs;
 	struct buf *bp;
 	daddr_t lbn, nextlbn;
 	off_t bytesinfile;
 	long size, xfersize, blkoffset;
 	int error, orig_resid, seqcount;
 	int ioflag;
 
 	vp = ap->a_vp;
 	uio = ap->a_uio;
 	ioflag = ap->a_ioflag;
 
 	seqcount = ap->a_ioflag >> IO_SEQSHIFT;
 	ip = VTOI(vp);
 
 #ifdef INVARIANTS
 	if (uio->uio_rw != UIO_READ)
 		panic("%s: mode", "ext2_read");
 
 	if (vp->v_type == VLNK) {
 		if ((int)ip->i_size <
 		    VFSTOEXT2(vp->v_mount)->um_e2fs->e2fs_maxsymlinklen)
 			panic("%s: short symlink", "ext2_read");
 	} else if (vp->v_type != VREG && vp->v_type != VDIR)
 		panic("%s: type %d", "ext2_read", vp->v_type);
 #endif
 	orig_resid = uio->uio_resid;
 	KASSERT(orig_resid >= 0, ("ext2_read: uio->uio_resid < 0"));
 	if (orig_resid == 0)
 		return (0);
 	KASSERT(uio->uio_offset >= 0, ("ext2_read: uio->uio_offset < 0"));
 	fs = ip->i_e2fs;
 	if (uio->uio_offset < ip->i_size &&
 	    uio->uio_offset >= fs->e2fs_maxfilesize)
 		return (EOVERFLOW);
 
 	for (error = 0, bp = NULL; uio->uio_resid > 0; bp = NULL) {
 		if ((bytesinfile = ip->i_size - uio->uio_offset) <= 0)
 			break;
 		lbn = lblkno(fs, uio->uio_offset);
 		nextlbn = lbn + 1;
 		size = blksize(fs, ip, lbn);
 		blkoffset = blkoff(fs, uio->uio_offset);
 
 		xfersize = fs->e2fs_fsize - blkoffset;
 		if (uio->uio_resid < xfersize)
 			xfersize = uio->uio_resid;
 		if (bytesinfile < xfersize)
 			xfersize = bytesinfile;
 
 		if (lblktosize(fs, nextlbn) >= ip->i_size)
 			error = bread(vp, lbn, size, NOCRED, &bp);
 		else if ((vp->v_mount->mnt_flag & MNT_NOCLUSTERR) == 0) {
 			error = cluster_read(vp, ip->i_size, lbn, size,
 			    NOCRED, blkoffset + uio->uio_resid, seqcount,
 			    0, &bp);
 		} else if (seqcount > 1) {
 			u_int nextsize = blksize(fs, ip, nextlbn);
 
 			error = breadn(vp, lbn,
 			    size, &nextlbn, &nextsize, 1, NOCRED, &bp);
 		} else
 			error = bread(vp, lbn, size, NOCRED, &bp);
 		if (error) {
 			brelse(bp);
 			bp = NULL;
 			break;
 		}
 
 		/*
 		 * We should only get non-zero b_resid when an I/O error
 		 * has occurred, which should cause us to break above.
 		 * However, if the short read did not cause an error,
 		 * then we want to ensure that we do not uiomove bad
 		 * or uninitialized data.
 		 */
 		size -= bp->b_resid;
 		if (size < xfersize) {
 			if (size == 0)
 				break;
 			xfersize = size;
 		}
 		error = uiomove((char *)bp->b_data + blkoffset,
 		    (int)xfersize, uio);
 		if (error)
 			break;
 		vfs_bio_brelse(bp, ioflag);
 	}
 
 	/*
 	 * This can only happen in the case of an error because the loop
 	 * above resets bp to NULL on each iteration and on normal
 	 * completion has not set a new value into it. so it must have come
 	 * from a 'break' statement
 	 */
 	if (bp != NULL)
 		vfs_bio_brelse(bp, ioflag);
 
 	if ((error == 0 || uio->uio_resid != orig_resid) &&
 	    (vp->v_mount->mnt_flag & (MNT_NOATIME | MNT_RDONLY)) == 0)
 		ip->i_flag |= IN_ACCESS;
 	return (error);
 }
 
 static int
 ext2_ioctl(struct vop_ioctl_args *ap)
 {
 	struct vnode *vp;
 	int error;
 
 	vp = ap->a_vp;
 	switch (ap->a_command) {
 	case FIOSEEKDATA:
 		if (!(VTOI(vp)->i_flag & IN_E4EXTENTS)) {
 			error = vn_lock(vp, LK_SHARED);
 			if (error == 0) {
 				error = ext2_bmap_seekdata(vp,
 				    (off_t *)ap->a_data);
 				VOP_UNLOCK(vp);
 			} else
 				error = EBADF;
 			return (error);
 		}
 	case FIOSEEKHOLE:
 		return (vn_bmap_seekhole(vp, ap->a_command,
 		    (off_t *)ap->a_data, ap->a_cred));
 	default:
 		return (ENOTTY);
 	}
 }
 
 /*
  * Vnode op for writing.
  */
 static int
 ext2_write(struct vop_write_args *ap)
 {
 	struct vnode *vp;
 	struct uio *uio;
 	struct inode *ip;
 	struct m_ext2fs *fs;
 	struct buf *bp;
 	daddr_t lbn;
 	off_t osize;
 	int blkoffset, error, flags, ioflag, resid, size, seqcount, xfersize;
 
 	ioflag = ap->a_ioflag;
 	uio = ap->a_uio;
 	vp = ap->a_vp;
 
 	seqcount = ioflag >> IO_SEQSHIFT;
 	ip = VTOI(vp);
 
 #ifdef INVARIANTS
 	if (uio->uio_rw != UIO_WRITE)
 		panic("%s: mode", "ext2_write");
 #endif
 
 	switch (vp->v_type) {
 	case VREG:
 		if (ioflag & IO_APPEND)
 			uio->uio_offset = ip->i_size;
 		if ((ip->i_flags & APPEND) && uio->uio_offset != ip->i_size)
 			return (EPERM);
 		/* FALLTHROUGH */
 	case VLNK:
 		break;
 	case VDIR:
 		/* XXX differs from ffs -- this is called from ext2_mkdir(). */
 		if ((ioflag & IO_SYNC) == 0)
 			panic("ext2_write: nonsync dir write");
 		break;
 	default:
 		panic("ext2_write: type %p %d (%jd,%jd)", (void *)vp,
 		    vp->v_type, (intmax_t)uio->uio_offset,
 		    (intmax_t)uio->uio_resid);
 	}
 
 	KASSERT(uio->uio_resid >= 0, ("ext2_write: uio->uio_resid < 0"));
 	KASSERT(uio->uio_offset >= 0, ("ext2_write: uio->uio_offset < 0"));
 	fs = ip->i_e2fs;
 	if ((uoff_t)uio->uio_offset + uio->uio_resid > fs->e2fs_maxfilesize)
 		return (EFBIG);
 	/*
 	 * Maybe this should be above the vnode op call, but so long as
 	 * file servers have no limits, I don't think it matters.
 	 */
 	error = vn_rlimit_fsize(vp, uio, uio->uio_td);
 	if (error != 0)
 		return (error);
 
 	resid = uio->uio_resid;
 	osize = ip->i_size;
 	if (seqcount > BA_SEQMAX)
 		flags = BA_SEQMAX << BA_SEQSHIFT;
 	else
 		flags = seqcount << BA_SEQSHIFT;
 	if ((ioflag & IO_SYNC) && !DOINGASYNC(vp))
 		flags |= IO_SYNC;
 
 	for (error = 0; uio->uio_resid > 0;) {
 		lbn = lblkno(fs, uio->uio_offset);
 		blkoffset = blkoff(fs, uio->uio_offset);
 		xfersize = fs->e2fs_fsize - blkoffset;
 		if (uio->uio_resid < xfersize)
 			xfersize = uio->uio_resid;
 		if (uio->uio_offset + xfersize > ip->i_size)
 			vnode_pager_setsize(vp, uio->uio_offset + xfersize);
 
 		/*
 		 * We must perform a read-before-write if the transfer size
 		 * does not cover the entire buffer.
 		 */
 		if (fs->e2fs_bsize > xfersize)
 			flags |= BA_CLRBUF;
 		else
 			flags &= ~BA_CLRBUF;
 		error = ext2_balloc(ip, lbn, blkoffset + xfersize,
 		    ap->a_cred, &bp, flags);
 		if (error != 0)
 			break;
 
 		if ((ioflag & (IO_SYNC | IO_INVAL)) == (IO_SYNC | IO_INVAL))
 			bp->b_flags |= B_NOCACHE;
 		if (uio->uio_offset + xfersize > ip->i_size)
 			ip->i_size = uio->uio_offset + xfersize;
 		size = blksize(fs, ip, lbn) - bp->b_resid;
 		if (size < xfersize)
 			xfersize = size;
 
 		error =
 		    uiomove((char *)bp->b_data + blkoffset, (int)xfersize, uio);
 		/*
 		 * If the buffer is not already filled and we encounter an
 		 * error while trying to fill it, we have to clear out any
 		 * garbage data from the pages instantiated for the buffer.
 		 * If we do not, a failed uiomove() during a write can leave
 		 * the prior contents of the pages exposed to a userland mmap.
 		 *
 		 * Note that we need only clear buffers with a transfer size
 		 * equal to the block size because buffers with a shorter
 		 * transfer size were cleared above by the call to ext2_balloc()
 		 * with the BA_CLRBUF flag set.
 		 *
 		 * If the source region for uiomove identically mmaps the
 		 * buffer, uiomove() performed the NOP copy, and the buffer
 		 * content remains valid because the page fault handler
 		 * validated the pages.
 		 */
 		if (error != 0 && (bp->b_flags & B_CACHE) == 0 &&
 		    fs->e2fs_bsize == xfersize)
 			vfs_bio_clrbuf(bp);
 
 		vfs_bio_set_flags(bp, ioflag);
 
 		/*
 		 * If IO_SYNC each buffer is written synchronously.  Otherwise
 		 * if we have a severe page deficiency write the buffer
 		 * asynchronously.  Otherwise try to cluster, and if that
 		 * doesn't do it then either do an async write (if O_DIRECT),
 		 * or a delayed write (if not).
 		 */
 		if (ioflag & IO_SYNC) {
 			(void)bwrite(bp);
 		} else if (vm_page_count_severe() ||
 			    buf_dirty_count_severe() ||
 		    (ioflag & IO_ASYNC)) {
 			bp->b_flags |= B_CLUSTEROK;
 			bawrite(bp);
 		} else if (xfersize + blkoffset == fs->e2fs_fsize) {
 			if ((vp->v_mount->mnt_flag & MNT_NOCLUSTERW) == 0) {
 				bp->b_flags |= B_CLUSTEROK;
 				cluster_write(vp, &ip->i_clusterw, bp,
 				    ip->i_size, seqcount, 0);
 			} else {
 				bawrite(bp);
 			}
 		} else if (ioflag & IO_DIRECT) {
 			bp->b_flags |= B_CLUSTEROK;
 			bawrite(bp);
 		} else {
 			bp->b_flags |= B_CLUSTEROK;
 			bdwrite(bp);
 		}
 		if (error || xfersize == 0)
 			break;
 	}
 	/*
 	 * If we successfully wrote any data, and we are not the superuser
 	 * we clear the setuid and setgid bits as a precaution against
 	 * tampering.
 	 */
 	if ((ip->i_mode & (ISUID | ISGID)) && resid > uio->uio_resid &&
 	    ap->a_cred) {
 		if (priv_check_cred(ap->a_cred, PRIV_VFS_RETAINSUGID))
 			ip->i_mode &= ~(ISUID | ISGID);
 	}
 	if (error) {
 		if (ioflag & IO_UNIT) {
 			(void)ext2_truncate(vp, osize,
 			    ioflag & IO_SYNC, ap->a_cred, uio->uio_td);
 			uio->uio_offset -= resid - uio->uio_resid;
 			uio->uio_resid = resid;
 		}
 	}
 	if (uio->uio_resid != resid) {
 		ip->i_flag |= IN_CHANGE | IN_UPDATE;
 		if (ioflag & IO_SYNC)
 			error = ext2_update(vp, 1);
 	}
 	return (error);
 }
diff --git a/sys/fs/fdescfs/fdesc_vnops.c b/sys/fs/fdescfs/fdesc_vnops.c
index 3014136fcbdb..c1188c3819e7 100644
--- a/sys/fs/fdescfs/fdesc_vnops.c
+++ b/sys/fs/fdescfs/fdesc_vnops.c
@@ -1,674 +1,674 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software donated to Berkeley by
  * Jan-Simon Pendry.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 /*
  * /dev/fd Filesystem
  */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/capsicum.h>
 #include <sys/conf.h>
 #include <sys/dirent.h>
 #include <sys/filedesc.h>
 #include <sys/kernel.h>	/* boottime */
 #include <sys/lock.h>
 #include <sys/mutex.h>
 #include <sys/malloc.h>
 #include <sys/file.h>	/* Must come after sys/malloc.h */
 #include <sys/mount.h>
 #include <sys/namei.h>
 #include <sys/proc.h>
 #include <sys/stat.h>
 #include <sys/syscallsubr.h>
 #include <sys/unistd.h>
 #include <sys/vnode.h>
 
 #include <fs/fdescfs/fdesc.h>
 
 #define	NFDCACHE 4
 #define FD_NHASH(ix) \
 	(&fdhashtbl[(ix) & fdhash])
 static LIST_HEAD(fdhashhead, fdescnode) *fdhashtbl;
 static u_long fdhash;
 
 struct mtx fdesc_hashmtx;
 
 static vop_getattr_t	fdesc_getattr;
 static vop_lookup_t	fdesc_lookup;
 static vop_open_t	fdesc_open;
 static vop_pathconf_t	fdesc_pathconf;
 static vop_readdir_t	fdesc_readdir;
 static vop_readlink_t	fdesc_readlink;
 static vop_reclaim_t	fdesc_reclaim;
 static vop_setattr_t	fdesc_setattr;
 
 static struct vop_vector fdesc_vnodeops = {
 	.vop_default =		&default_vnodeops,
 
 	.vop_access =		VOP_NULL,
 	.vop_getattr =		fdesc_getattr,
 	.vop_lookup =		fdesc_lookup,
 	.vop_open =		fdesc_open,
 	.vop_pathconf =		fdesc_pathconf,
 	.vop_readdir =		fdesc_readdir,
 	.vop_readlink =		fdesc_readlink,
 	.vop_reclaim =		fdesc_reclaim,
 	.vop_setattr =		fdesc_setattr,
 };
 VFS_VOP_VECTOR_REGISTER(fdesc_vnodeops);
 
 static void fdesc_remove_entry(struct fdescnode *);
 
 /*
  * Initialise cache headers
  */
 int
 fdesc_init(struct vfsconf *vfsp)
 {
 
 	mtx_init(&fdesc_hashmtx, "fdescfs_hash", NULL, MTX_DEF);
 	fdhashtbl = hashinit(NFDCACHE, M_CACHE, &fdhash);
 	return (0);
 }
 
 /*
  * Uninit ready for unload.
  */
 int
 fdesc_uninit(struct vfsconf *vfsp)
 {
 
 	hashdestroy(fdhashtbl, M_CACHE, fdhash);
 	mtx_destroy(&fdesc_hashmtx);
 	return (0);
 }
 
 /*
  * Remove an entry from the hash if it exists.
  */
 static void
 fdesc_remove_entry(struct fdescnode *fd)
 {
 	struct fdhashhead *fc;
 	struct fdescnode *fd2;
 
 	fc = FD_NHASH(fd->fd_ix);
 	mtx_lock(&fdesc_hashmtx);
 	LIST_FOREACH(fd2, fc, fd_hash) {
 		if (fd == fd2) {
 			LIST_REMOVE(fd, fd_hash);
 			break;
 		}
 	}
 	mtx_unlock(&fdesc_hashmtx);
 }
 
 int
 fdesc_allocvp(fdntype ftype, unsigned fd_fd, int ix, struct mount *mp,
     struct vnode **vpp)
 {
 	struct fdescmount *fmp;
 	struct fdhashhead *fc;
 	struct fdescnode *fd, *fd2;
 	struct vnode *vp, *vp2;
 	enum vgetstate vgs;
 	int error;
 
 	fc = FD_NHASH(ix);
 loop:
 	mtx_lock(&fdesc_hashmtx);
 	/*
 	 * If a forced unmount is progressing, we need to drop it. The flags are
 	 * protected by the hashmtx.
 	 */
 	fmp = mp->mnt_data;
 	if (fmp == NULL || fmp->flags & FMNT_UNMOUNTF) {
 		mtx_unlock(&fdesc_hashmtx);
 		return (-1);
 	}
 
 	LIST_FOREACH(fd, fc, fd_hash) {
 		if (fd->fd_ix == ix && fd->fd_vnode->v_mount == mp) {
 			/* Get reference to vnode in case it's being free'd */
 			vp = fd->fd_vnode;
 			vgs = vget_prep(vp);
 			mtx_unlock(&fdesc_hashmtx);
 			if (vget_finish(vp, LK_EXCLUSIVE, vgs) != 0)
 				goto loop;
 			*vpp = vp;
 			return (0);
 		}
 	}
 	mtx_unlock(&fdesc_hashmtx);
 
 	fd = malloc(sizeof(struct fdescnode), M_TEMP, M_WAITOK);
 
 	error = getnewvnode("fdescfs", mp, &fdesc_vnodeops, &vp);
 	if (error) {
 		free(fd, M_TEMP);
 		return (error);
 	}
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	vp->v_data = fd;
 	fd->fd_vnode = vp;
 	fd->fd_type = ftype;
 	fd->fd_fd = fd_fd;
 	fd->fd_ix = ix;
 	if (ftype == Fdesc) {
 		if ((fmp->flags & FMNT_RDLNKF) != 0)
 			vp->v_type = VLNK;
 		else if ((fmp->flags & FMNT_LINRDLNKF) != 0)
 			vp->v_vflag |= VV_READLINK;
 	}
 	error = insmntque1(vp, mp);
 	if (error != 0) {
 		vgone(vp);
 		vput(vp);
 		*vpp = NULL;
 		return (error);
 	}
 
 	/* Make sure that someone didn't beat us when inserting the vnode. */
 	mtx_lock(&fdesc_hashmtx);
 	/*
 	 * If a forced unmount is progressing, we need to drop it. The flags are
 	 * protected by the hashmtx.
 	 */
 	fmp = mp->mnt_data;
 	if (fmp == NULL || fmp->flags & FMNT_UNMOUNTF) {
 		mtx_unlock(&fdesc_hashmtx);
 		vgone(vp);
 		vput(vp);
 		*vpp = NULL;
 		return (-1);
 	}
 
 	LIST_FOREACH(fd2, fc, fd_hash) {
 		if (fd2->fd_ix == ix && fd2->fd_vnode->v_mount == mp) {
 			/* Get reference to vnode in case it's being free'd */
 			vp2 = fd2->fd_vnode;
 			vgs = vget_prep(vp2);
 			mtx_unlock(&fdesc_hashmtx);
 			error = vget_finish(vp2, LK_EXCLUSIVE, vgs);
 			/* Someone beat us, dec use count and wait for reclaim */
 			vgone(vp);
 			vput(vp);
 			/* If we didn't get it, return no vnode. */
 			if (error)
 				vp2 = NULL;
 			*vpp = vp2;
 			return (error);
 		}
 	}
 
 	/* If we came here, we can insert it safely. */
 	LIST_INSERT_HEAD(fc, fd, fd_hash);
 	mtx_unlock(&fdesc_hashmtx);
 	vn_set_state(vp, VSTATE_CONSTRUCTED);
 	*vpp = vp;
 	return (0);
 }
 
 struct fdesc_get_ino_args {
 	fdntype ftype;
 	unsigned fd_fd;
 	int ix;
 	struct file *fp;
 	struct thread *td;
 	bool fdropped;
 };
 
 static int
 fdesc_get_ino_alloc(struct mount *mp, void *arg, int lkflags,
     struct vnode **rvp)
 {
 	struct fdesc_get_ino_args *a;
 	struct fdescmount *fdm;
 	struct vnode *vp;
 	int error;
 
 	a = arg;
 	fdm = VFSTOFDESC(mp);
 	if ((fdm->flags & FMNT_NODUP) != 0 && a->fp->f_type == DTYPE_VNODE) {
 		vp = a->fp->f_vnode;
 		vget(vp, lkflags | LK_RETRY);
 		*rvp = vp;
 		error = 0;
 	} else {
 		error = fdesc_allocvp(a->ftype, a->fd_fd, a->ix, mp, rvp);
 	}
 	fdrop(a->fp, a->td);
 	a->fdropped = true;
 	return (error);
 }
 
 /*
  * vp is the current namei directory
  * ndp is the name to locate in that directory...
  */
 static int
 fdesc_lookup(struct vop_lookup_args *ap)
 {
 	struct vnode **vpp = ap->a_vpp;
 	struct vnode *dvp = ap->a_dvp;
 	struct componentname *cnp = ap->a_cnp;
 	char *pname = cnp->cn_nameptr;
 	struct thread *td = curthread;
 	struct file *fp;
 	struct fdesc_get_ino_args arg;
 	int nlen = cnp->cn_namelen;
 	u_int fd, fd1;
 	int error;
 	struct vnode *fvp;
 
 	if ((cnp->cn_flags & ISLASTCN) &&
 	    (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME)) {
 		error = EROFS;
 		goto bad;
 	}
 
 	if (cnp->cn_namelen == 1 && *pname == '.') {
 		*vpp = dvp;
-		VREF(dvp);
+		vref(dvp);
 		return (0);
 	}
 
 	if (VTOFDESC(dvp)->fd_type != Froot) {
 		error = ENOTDIR;
 		goto bad;
 	}
 
 	fd = 0;
 	/* the only time a leading 0 is acceptable is if it's "0" */
 	if (*pname == '0' && nlen != 1) {
 		error = ENOENT;
 		goto bad;
 	}
 	while (nlen--) {
 		if (*pname < '0' || *pname > '9') {
 			error = ENOENT;
 			goto bad;
 		}
 		fd1 = 10 * fd + *pname++ - '0';
 		if (fd1 < fd) {
 			error = ENOENT;
 			goto bad;
 		}
 		fd = fd1;
 	}
 
 	/*
 	 * No rights to check since 'fp' isn't actually used.
 	 */
 	if ((error = fget(td, fd, &cap_no_rights, &fp)) != 0)
 		goto bad;
 
 	/*
 	 * Make sure we do not deadlock looking up the dvp itself.
 	 *
 	 * Unlock our root node (dvp) when doing this, since we might
 	 * deadlock since the vnode might be locked by another thread
 	 * and the root vnode lock will be obtained afterwards (in case
 	 * we're looking up the fd of the root vnode), which will be the
 	 * opposite lock order.
 	 */
 	arg.ftype = Fdesc;
 	arg.fd_fd = fd;
 	arg.ix = FD_DESC + fd;
 	arg.fp = fp;
 	arg.td = td;
 	arg.fdropped = false;
 	error = vn_vget_ino_gen(dvp, fdesc_get_ino_alloc, &arg,
 	    LK_EXCLUSIVE, &fvp);
 
 	if (!arg.fdropped) {
 		/*
 		 * In case we're holding the last reference to the file, the dvp
 		 * will be re-acquired.
 		 */
 		VOP_UNLOCK(dvp);
 		fdrop(fp, td);
 
 		vn_lock(dvp, LK_RETRY | LK_EXCLUSIVE);
 		fvp = dvp;
 		if (error == 0 && VN_IS_DOOMED(dvp))
 			error = ENOENT;
 	}
 
 	if (error)
 		goto bad;
 	*vpp = fvp;
 	return (0);
 
 bad:
 	*vpp = NULL;
 	return (error);
 }
 
 static int
 fdesc_open(struct vop_open_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 
 	if (VTOFDESC(vp)->fd_type == Froot)
 		return (0);
 
 	/*
 	 * XXX Kludge: set td->td_proc->p_dupfd to contain the value of the file
 	 * descriptor being sought for duplication. The error return ensures
 	 * that the vnode for this device will be released by vn_open. Open
 	 * will detect this special error and take the actions in dupfdopen.
 	 * Other callers of vn_open or VOP_OPEN will simply report the
 	 * error.
 	 */
 	ap->a_td->td_dupfd = VTOFDESC(vp)->fd_fd;	/* XXX */
 	return (ENODEV);
 }
 
 static int
 fdesc_pathconf(struct vop_pathconf_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	int error;
 
 	switch (ap->a_name) {
 	case _PC_NAME_MAX:
 		*ap->a_retval = NAME_MAX;
 		return (0);
 	case _PC_LINK_MAX:
 		if (VTOFDESC(vp)->fd_type == Froot)
 			*ap->a_retval = 2;
 		else
 			*ap->a_retval = 1;
 		return (0);
 	default:
 		if (VTOFDESC(vp)->fd_type == Froot)
 			return (vop_stdpathconf(ap));
 		vref(vp);
 		VOP_UNLOCK(vp);
 		error = kern_fpathconf(curthread, VTOFDESC(vp)->fd_fd,
 		    ap->a_name, ap->a_retval);
 		vn_lock(vp, LK_SHARED | LK_RETRY);
 		vunref(vp);
 		return (error);
 	}
 }
 
 static int
 fdesc_getattr(struct vop_getattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vattr *vap = ap->a_vap;
 	struct timeval boottime;
 
 	getboottime(&boottime);
 	vap->va_mode = S_IRUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH;
 	vap->va_fileid = VTOFDESC(vp)->fd_ix;
 	vap->va_uid = 0;
 	vap->va_gid = 0;
 	vap->va_blocksize = DEV_BSIZE;
 	vap->va_atime.tv_sec = boottime.tv_sec;
 	vap->va_atime.tv_nsec = 0;
 	vap->va_mtime = vap->va_atime;
 	vap->va_ctime = vap->va_mtime;
 	vap->va_gen = 0;
 	vap->va_flags = 0;
 	vap->va_bytes = 0;
 	vap->va_filerev = 0;
 
 	switch (VTOFDESC(vp)->fd_type) {
 	case Froot:
 		vap->va_type = VDIR;
 		vap->va_nlink = 2;
 		vap->va_size = DEV_BSIZE;
 		vap->va_rdev = NODEV;
 		break;
 
 	case Fdesc:
 		vap->va_type = (VFSTOFDESC(vp->v_mount)->flags &
 		    (FMNT_RDLNKF | FMNT_LINRDLNKF)) == 0 ? VCHR : VLNK;
 		vap->va_nlink = 1;
 		vap->va_size = 0;
 		vap->va_rdev = makedev(0, vap->va_fileid);
 		break;
 
 	default:
 		panic("fdesc_getattr");
 		break;
 	}
 
 	vp->v_type = vap->va_type;
 	return (0);
 }
 
 static int
 fdesc_setattr(struct vop_setattr_args *ap)
 {
 	struct vattr *vap = ap->a_vap;
 	struct vnode *vp;
 	struct mount *mp;
 	struct file *fp;
 	struct thread *td = curthread;
 	cap_rights_t rights;
 	unsigned fd;
 	int error;
 
 	/*
 	 * Can't mess with the root vnode
 	 */
 	if (VTOFDESC(ap->a_vp)->fd_type == Froot)
 		return (EACCES);
 
 	fd = VTOFDESC(ap->a_vp)->fd_fd;
 
 	/*
 	 * Allow setattr where there is an underlying vnode.
 	 * For O_PATH descriptors, disallow truncate.
 	 */
 	if (vap->va_size != VNOVAL) {
 		error = getvnode(td, fd,
 		    cap_rights_init_one(&rights, CAP_EXTATTR_SET), &fp);
 	} else {
 		error = getvnode_path(td, fd,
 		    cap_rights_init_one(&rights, CAP_EXTATTR_SET), NULL, &fp);
 	}
 	if (error) {
 		/*
 		 * getvnode() returns EINVAL if the file descriptor is not
 		 * backed by a vnode.  Silently drop all changes except
 		 * chflags(2) in this case.
 		 */
 		if (error == EINVAL) {
 			if (vap->va_flags != VNOVAL)
 				error = EOPNOTSUPP;
 			else
 				error = 0;
 		}
 		return (error);
 	}
 	vp = fp->f_vnode;
 	if ((error = vn_start_write(vp, &mp, V_WAIT | V_PCATCH)) == 0) {
 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 		error = VOP_SETATTR(vp, ap->a_vap, ap->a_cred);
 		VOP_UNLOCK(vp);
 		vn_finished_write(mp);
 	}
 	fdrop(fp, td);
 	return (error);
 }
 
 #define UIO_MX _GENERIC_DIRLEN(10) /* number of symbols in INT_MAX printout */
 
 static int
 fdesc_readdir(struct vop_readdir_args *ap)
 {
 	struct fdescmount *fmp;
 	struct uio *uio = ap->a_uio;
 	struct filedesc *fdp;
 	struct dirent d;
 	struct dirent *dp = &d;
 	int error, i, off, fcnt;
 
 	if (VTOFDESC(ap->a_vp)->fd_type != Froot)
 		panic("fdesc_readdir: not dir");
 
 	fmp = VFSTOFDESC(ap->a_vp->v_mount);
 	if (ap->a_ncookies != NULL)
 		*ap->a_ncookies = 0;
 	if (ap->a_eofflag != NULL)
 		*ap->a_eofflag = 0;
 
 	off = (int)uio->uio_offset;
 	if (off != uio->uio_offset || off < 0 || (u_int)off % UIO_MX != 0 ||
 	    uio->uio_resid < UIO_MX)
 		return (EINVAL);
 	i = (u_int)off / UIO_MX;
 	fdp = uio->uio_td->td_proc->p_fd;
 	error = 0;
 
 	fcnt = i - 2;		/* The first two nodes are `.' and `..' */
 
 	FILEDESC_SLOCK(fdp);
 	while (uio->uio_resid >= UIO_MX) {
 		if (i >= fdp->fd_nfiles + 2) {
 			if (ap->a_eofflag != NULL)
 				*ap->a_eofflag = 1;
 			break;
 		}
 		bzero((caddr_t)dp, UIO_MX);
 		switch (i) {
 		case 0:	/* `.' */
 		case 1: /* `..' */
 			dp->d_fileno = i + FD_ROOT;
 			dp->d_namlen = i + 1;
 			dp->d_reclen = UIO_MX;
 			bcopy("..", dp->d_name, dp->d_namlen);
 			dp->d_type = DT_DIR;
 			dirent_terminate(dp);
 			break;
 		default:
 			if (fdp->fd_ofiles[fcnt].fde_file == NULL)
 				break;
 			dp->d_namlen = sprintf(dp->d_name, "%d", fcnt);
 			dp->d_reclen = UIO_MX;
 			dp->d_type = (fmp->flags & (FMNT_RDLNKF |
 			    FMNT_LINRDLNKF)) == 0 ? DT_CHR : DT_LNK;
 			dp->d_fileno = i + FD_DESC;
 			dirent_terminate(dp);
 			break;
 		}
 		/* NOTE: d_off is the offset of the *next* entry. */
 		dp->d_off = UIO_MX * (i + 1);
 		if (dp->d_namlen != 0) {
 			/*
 			 * And ship to userland
 			 */
 			FILEDESC_SUNLOCK(fdp);
 			error = uiomove(dp, UIO_MX, uio);
 			if (error)
 				goto done;
 			FILEDESC_SLOCK(fdp);
 		}
 		i++;
 		fcnt++;
 	}
 	FILEDESC_SUNLOCK(fdp);
 
 done:
 	uio->uio_offset = i * UIO_MX;
 	return (error);
 }
 
 static int
 fdesc_reclaim(struct vop_reclaim_args *ap)
 {
 	struct vnode *vp;
 	struct fdescnode *fd;
 
  	vp = ap->a_vp;
  	fd = VTOFDESC(vp);
 	fdesc_remove_entry(fd);
 	free(vp->v_data, M_TEMP);
 	vp->v_data = NULL;
 	return (0);
 }
 
 static int
 fdesc_readlink(struct vop_readlink_args *va)
 {
 	struct vnode *vp, *vn;
 	struct thread *td;
 	struct uio *uio;
 	struct file *fp;
 	char *freepath, *fullpath;
 	size_t pathlen;
 	int lockflags, fd_fd;
 	int error;
 
 	freepath = NULL;
 	vn = va->a_vp;
 	if (VTOFDESC(vn)->fd_type != Fdesc)
 		panic("fdesc_readlink: not fdescfs link");
 	fd_fd = ((struct fdescnode *)vn->v_data)->fd_fd;
 	lockflags = VOP_ISLOCKED(vn);
 	VOP_UNLOCK(vn);
 
 	td = curthread;
 	error = fget_cap(td, fd_fd, &cap_no_rights, NULL, &fp, NULL);
 	if (error != 0)
 		goto out;
 
 	switch (fp->f_type) {
 	case DTYPE_VNODE:
 		vp = fp->f_vnode;
 		error = vn_fullpath(vp, &fullpath, &freepath);
 		break;
 	default:
 		fullpath = "anon_inode:[unknown]";
 		break;
 	}
 	if (error == 0) {
 		uio = va->a_uio;
 		pathlen = strlen(fullpath);
 		error = uiomove(fullpath, pathlen, uio);
 	}
 	if (freepath != NULL)
 		free(freepath, M_TEMP);
 	fdrop(fp, td);
 
 out:
 	vn_lock(vn, lockflags | LK_RETRY);
 	return (error);
 }
diff --git a/sys/fs/msdosfs/msdosfs_lookup.c b/sys/fs/msdosfs/msdosfs_lookup.c
index 8ab6d35a2685..58ce8eff9dbd 100644
--- a/sys/fs/msdosfs/msdosfs_lookup.c
+++ b/sys/fs/msdosfs/msdosfs_lookup.c
@@ -1,1099 +1,1099 @@
 /*	$NetBSD: msdosfs_lookup.c,v 1.37 1997/11/17 15:36:54 ws Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
  *
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
  * Copyright (C) 1994, 1995, 1997 TooLs GmbH.
  * All rights reserved.
  * Original code by Paul Popelka (paulp@uts.amdahl.com) (see below).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *	This product includes software developed by TooLs GmbH.
  * 4. The name of TooLs GmbH may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 /*-
  * Written by Paul Popelka (paulp@uts.amdahl.com)
  *
  * You can do anything you want with this software, just don't say you wrote
  * it, and don't remove this notice.
  *
  * This software is provided "as is".
  *
  * The author supplies this software to be publicly redistributed on the
  * understanding that the author is not responsible for the correct
  * functioning of this software in any circumstances and is not liable for
  * any damages caused by this software.
  *
  * October 1992
  */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/buf.h>
 #include <sys/mount.h>
 #include <sys/namei.h>
 #include <sys/vnode.h>
 
 #include <fs/msdosfs/bpb.h>
 #include <fs/msdosfs/direntry.h>
 #include <fs/msdosfs/denode.h>
 #include <fs/msdosfs/fat.h>
 #include <fs/msdosfs/msdosfsmount.h>
 
 static int
 msdosfs_lookup_checker(struct msdosfsmount *pmp, struct vnode *dvp,
     struct denode *tdp, struct vnode **vpp)
 {
 	struct vnode *vp;
 
 	vp = DETOV(tdp);
 
 	/*
 	 * Lookup assumes that directory cannot be hardlinked.
 	 * Corrupted msdosfs filesystem could break this assumption.
 	 */
 	if (vp == dvp) {
 		vput(vp);
 		msdosfs_integrity_error(pmp);
 		*vpp = NULL;
 		return (EBADF);
 	}
 
 	*vpp = vp;
 	return (0);
 }
 
 int
 msdosfs_lookup(struct vop_cachedlookup_args *ap)
 {
 
 	return (msdosfs_lookup_ino(ap->a_dvp, ap->a_vpp, ap->a_cnp, NULL,
 	    NULL));
 }
 
 struct deget_dotdot {
 	u_long cluster;
 	int blkoff;
 };
 
 static int
 msdosfs_deget_dotdot(struct mount *mp, void *arg, int lkflags,
     struct vnode **rvp)
 {
 	struct deget_dotdot *dd_arg;
 	struct denode *rdp;
 	struct msdosfsmount *pmp;
 	int error;
 
 	pmp = VFSTOMSDOSFS(mp);
 	dd_arg = arg;
 	error = deget(pmp, dd_arg->cluster, dd_arg->blkoff,
 	    LK_EXCLUSIVE, &rdp);
 	if (error == 0)
 		*rvp = DETOV(rdp);
 	return (error);
 }
 
 /*
  * When we search a directory the blocks containing directory entries are
  * read and examined.  The directory entries contain information that would
  * normally be in the inode of a unix filesystem.  This means that some of
  * a directory's contents may also be in memory resident denodes (sort of
  * an inode).  This can cause problems if we are searching while some other
  * process is modifying a directory.  To prevent one process from accessing
  * incompletely modified directory information we depend upon being the
  * sole owner of a directory block.  bread/brelse provide this service.
  * This being the case, when a process modifies a directory it must first
  * acquire the disk block that contains the directory entry to be modified.
  * Then update the disk block and the denode, and then write the disk block
  * out to disk.  This way disk blocks containing directory entries and in
  * memory denode's will be in synch.
  */
 int
 msdosfs_lookup_ino(struct vnode *vdp, struct vnode **vpp, struct componentname
     *cnp, daddr_t *scnp, u_long *blkoffp)
 {
 	struct mbnambuf nb;
 	daddr_t bn;
 	int error;
 	int slotcount;
 	int slotoffset = 0;
 	int frcn;
 	u_long cluster;
 	u_long blkoff;
 	int diroff;
 	int blsize;
 	int isadir;		/* ~0 if found direntry is a directory	 */
 	daddr_t scn;		/* starting cluster number		 */
 	struct vnode *pdp;
 	struct denode *dp;
 	struct denode *tdp;
 	struct msdosfsmount *pmp;
 	struct buf *bp = NULL;
 	struct direntry *dep = NULL;
 	struct deget_dotdot dd_arg;
 	u_char dosfilename[12];
 	int flags = cnp->cn_flags;
 	int nameiop = cnp->cn_nameiop;
 	int unlen;
 	uint64_t inode1;
 
 	int wincnt = 1;
 	int chksum = -1, chksum_ok;
 	int olddos = 1;
 
 #ifdef MSDOSFS_DEBUG
 	printf("msdosfs_lookup(): looking for %s\n", cnp->cn_nameptr);
 #endif
 	dp = VTODE(vdp);
 	pmp = dp->de_pmp;
 #ifdef MSDOSFS_DEBUG
 	printf("msdosfs_lookup(): vdp %p, dp %p, Attr %02x\n",
 	    vdp, dp, dp->de_Attributes);
 #endif
 
  restart:
 	if (vpp != NULL)
 		*vpp = NULL;
 	/*
 	 * If they are going after the . or .. entry in the root directory,
 	 * they won't find it.  DOS filesystems don't have them in the root
 	 * directory.  So, we fake it. deget() is in on this scam too.
 	 */
 	if ((vdp->v_vflag & VV_ROOT) && cnp->cn_nameptr[0] == '.' &&
 	    (cnp->cn_namelen == 1 ||
 		(cnp->cn_namelen == 2 && cnp->cn_nameptr[1] == '.'))) {
 		isadir = ATTR_DIRECTORY;
 		scn = MSDOSFSROOT;
 #ifdef MSDOSFS_DEBUG
 		printf("msdosfs_lookup(): looking for . or .. in root directory\n");
 #endif
 		cluster = MSDOSFSROOT;
 		blkoff = MSDOSFSROOT_OFS;
 		goto foundroot;
 	}
 
 	switch (unix2dosfn((const u_char *)cnp->cn_nameptr, dosfilename,
 	    cnp->cn_namelen, 0, pmp)) {
 	case 0:
 		if (nameiop == CREATE || nameiop == RENAME)
 			return (EINVAL);
 		return (ENOENT);
 	case 1:
 		break;
 	case 2:
 		wincnt = winSlotCnt((const u_char *)cnp->cn_nameptr,
 		    cnp->cn_namelen, pmp) + 1;
 		break;
 	case 3:
 		olddos = 0;
 		wincnt = winSlotCnt((const u_char *)cnp->cn_nameptr,
 		    cnp->cn_namelen, pmp) + 1;
 		break;
 	}
 	if (pmp->pm_flags & MSDOSFSMNT_SHORTNAME) {
 		wincnt = 1;
 		olddos = 1;
 	}
 	unlen = winLenFixup(cnp->cn_nameptr, cnp->cn_namelen);
 
 	/*
 	 * Suppress search for slots unless creating
 	 * file and at end of pathname, in which case
 	 * we watch for a place to put the new file in
 	 * case it doesn't already exist.
 	 */
 	slotcount = wincnt;
 	if ((nameiop == CREATE || nameiop == RENAME) &&
 	    (flags & ISLASTCN))
 		slotcount = 0;
 
 #ifdef MSDOSFS_DEBUG
 	printf("msdosfs_lookup(): dos version of filename %s, length %ld\n",
 	    dosfilename, cnp->cn_namelen);
 #endif
 	/*
 	 * Search the directory pointed at by vdp for the name pointed at
 	 * by cnp->cn_nameptr.
 	 */
 	tdp = NULL;
 	mbnambuf_init(&nb);
 	/*
 	 * The outer loop ranges over the clusters that make up the
 	 * directory.  Note that the root directory is different from all
 	 * other directories.  It has a fixed number of blocks that are not
 	 * part of the pool of allocatable clusters.  So, we treat it a
 	 * little differently. The root directory starts at "cluster" 0.
 	 */
 	diroff = 0;
 	for (frcn = 0;; frcn++) {
 		error = pcbmap(dp, frcn, &bn, &cluster, &blsize);
 		if (error) {
 			if (error == E2BIG)
 				break;
 			return (error);
 		}
 		error = bread(pmp->pm_devvp, bn, blsize, NOCRED, &bp);
 		if (error) {
 			return (error);
 		}
 		for (blkoff = 0; blkoff < blsize;
 		     blkoff += sizeof(struct direntry),
 		     diroff += sizeof(struct direntry)) {
 			dep = (struct direntry *)(bp->b_data + blkoff);
 			/*
 			 * If the slot is empty and we are still looking
 			 * for an empty then remember this one.  If the
 			 * slot is not empty then check to see if it
 			 * matches what we are looking for.  If the slot
 			 * has never been filled with anything, then the
 			 * remainder of the directory has never been used,
 			 * so there is no point in searching it.
 			 */
 			if (dep->deName[0] == SLOT_EMPTY ||
 			    dep->deName[0] == SLOT_DELETED) {
 				/*
 				 * Drop memory of previous long matches
 				 */
 				chksum = -1;
 				mbnambuf_init(&nb);
 
 				if (slotcount < wincnt) {
 					slotcount++;
 					slotoffset = diroff;
 				}
 				if (dep->deName[0] == SLOT_EMPTY) {
 					brelse(bp);
 					goto notfound;
 				}
 			} else {
 				/*
 				 * If there wasn't enough space for our winentries,
 				 * forget about the empty space
 				 */
 				if (slotcount < wincnt)
 					slotcount = 0;
 
 				/*
 				 * Check for Win95 long filename entry
 				 */
 				if (dep->deAttributes == ATTR_WIN95) {
 					if (pmp->pm_flags & MSDOSFSMNT_SHORTNAME)
 						continue;
 
 					chksum = win2unixfn(&nb,
 					    (struct winentry *)dep, chksum,
 					    pmp);
 					continue;
 				}
 
 				chksum = winChkName(&nb,
 				    (const u_char *)cnp->cn_nameptr, unlen,
 				    chksum, pmp);
 				if (chksum == -2) {
 					chksum = -1;
 					continue;
 				}
 
 				/*
 				 * Ignore volume labels (anywhere, not just
 				 * the root directory).
 				 */
 				if (dep->deAttributes & ATTR_VOLUME) {
 					chksum = -1;
 					continue;
 				}
 
 				/*
 				 * Check for a checksum or name match
 				 */
 				chksum_ok = (chksum == winChksum(dep->deName));
 				if (!chksum_ok
 				    && (!olddos || bcmp(dosfilename, dep->deName, 11))) {
 					chksum = -1;
 					continue;
 				}
 #ifdef MSDOSFS_DEBUG
 				printf("msdosfs_lookup(): match blkoff %lu, diroff %d\n",
 				    blkoff, diroff);
 #endif
 				/*
 				 * Remember where this directory
 				 * entry came from for whoever did
 				 * this lookup.
 				 */
 				dp->de_fndoffset = diroff;
 				if (chksum_ok && nameiop == RENAME) {
 					/*
 					 * Target had correct long name
 					 * directory entries, reuse them
 					 * as needed.
 					 */
 					dp->de_fndcnt = wincnt - 1;
 				} else {
 					/*
 					 * Long name directory entries
 					 * not present or corrupt, can only
 					 * reuse dos directory entry.
 					 */
 					dp->de_fndcnt = 0;
 				}
 
 				goto found;
 			}
 		}	/* for (blkoff = 0; .... */
 		/*
 		 * Release the buffer holding the directory cluster just
 		 * searched.
 		 */
 		brelse(bp);
 	}	/* for (frcn = 0; ; frcn++) */
 
 notfound:
 	/*
 	 * We hold no disk buffers at this point.
 	 */
 
 	/*
 	 * Fixup the slot description to point to the place where
 	 * we might put the new DOS direntry (putting the Win95
 	 * long name entries before that)
 	 */
 	if (!slotcount) {
 		slotcount = 1;
 		slotoffset = diroff;
 	}
 	if (wincnt > slotcount)
 		slotoffset += sizeof(struct direntry) * (wincnt - slotcount);
 
 	/*
 	 * If we get here we didn't find the entry we were looking for. But
 	 * that's ok if we are creating or renaming and are at the end of
 	 * the pathname and the directory hasn't been removed.
 	 */
 #ifdef MSDOSFS_DEBUG
 	printf("msdosfs_lookup(): op %d, refcnt %ld\n",
 	    nameiop, dp->de_refcnt);
 	printf("               slotcount %d, slotoffset %d\n",
 	       slotcount, slotoffset);
 #endif
 	if ((nameiop == CREATE || nameiop == RENAME) &&
 	    (flags & ISLASTCN) && dp->de_refcnt != 0) {
 		/*
 		 * Access for write is interpreted as allowing
 		 * creation of files in the directory.
 		 */
 		error = VOP_ACCESS(vdp, VWRITE, cnp->cn_cred, curthread);
 		if (error)
 			return (error);
 		/*
 		 * Return an indication of where the new directory
 		 * entry should be put.
 		 */
 		dp->de_fndoffset = slotoffset;
 		dp->de_fndcnt = wincnt - 1;
 
 		/*
 		 * We return with the directory locked, so that
 		 * the parameters we set up above will still be
 		 * valid if we actually decide to do a direnter().
 		 * We return ni_vp == NULL to indicate that the entry
 		 * does not currently exist; we leave a pointer to
 		 * the (locked) directory inode in ndp->ni_dvp.
 		 *
 		 * NB - if the directory is unlocked, then this
 		 * information cannot be used.
 		 */
 		return (EJUSTRETURN);
 	}
 #if 0
 	/*
 	 * Insert name into cache (as non-existent) if appropriate.
 	 *
 	 * XXX Negative caching is broken for msdosfs because the name
 	 * cache doesn't understand peculiarities such as case insensitivity
 	 * and 8.3 filenames.  Hence, it may not invalidate all negative
 	 * entries if a file with this name is later created.
 	 */
 	if ((cnp->cn_flags & MAKEENTRY) != 0)
 		cache_enter(vdp, *vpp, cnp);
 #endif
 	return (ENOENT);
 
 found:
 	/*
 	 * NOTE:  We still have the buffer with matched directory entry at
 	 * this point.
 	 */
 	isadir = dep->deAttributes & ATTR_DIRECTORY;
 	scn = getushort(dep->deStartCluster);
 	if (FAT32(pmp)) {
 		scn |= getushort(dep->deHighClust) << 16;
 		if (scn == pmp->pm_rootdirblk) {
 			/*
 			 * There should actually be 0 here.
 			 * Just ignore the error.
 			 */
 			scn = MSDOSFSROOT;
 		}
 	}
 
 	if (isadir) {
 		cluster = scn;
 		if (cluster == MSDOSFSROOT)
 			blkoff = MSDOSFSROOT_OFS;
 		else
 			blkoff = 0;
 	} else if (cluster == MSDOSFSROOT)
 		blkoff = diroff;
 
 	/*
 	 * Now release buf to allow deget to read the entry again.
 	 * Reserving it here and giving it to deget could result
 	 * in a deadlock.
 	 */
 	brelse(bp);
 	bp = NULL;
 
 foundroot:
 	/*
 	 * If we entered at foundroot, then we are looking for the . or ..
 	 * entry of the filesystems root directory.  isadir and scn were
 	 * setup before jumping here.  And, bp is already null.
 	 */
 	if (FAT32(pmp) && scn == MSDOSFSROOT)
 		scn = pmp->pm_rootdirblk;
 
 	if (scnp != NULL) {
 		*scnp = cluster;
 		*blkoffp = blkoff;
 		return (0);
 	}
 
 	/*
 	 * If deleting, and at end of pathname, return
 	 * parameters which can be used to remove file.
 	 */
 	if (nameiop == DELETE && (flags & ISLASTCN)) {
 		/*
 		 * Don't allow deleting the root.
 		 */
 		if (blkoff == MSDOSFSROOT_OFS)
 			return (EBUSY);
 
 		/*
 		 * Write access to directory required to delete files.
 		 */
 		error = VOP_ACCESS(vdp, VWRITE, cnp->cn_cred, curthread);
 		if (error)
 			return (error);
 
 		/*
 		 * Return pointer to current entry in dp->i_offset.
 		 * Save directory inode pointer in ndp->ni_dvp for dirremove().
 		 */
 		if (dp->de_StartCluster == scn && isadir) {	/* "." */
-			VREF(vdp);
+			vref(vdp);
 			*vpp = vdp;
 			return (0);
 		}
 		error = deget(pmp, cluster, blkoff, LK_EXCLUSIVE, &tdp);
 		if (error)
 			return (error);
 		return (msdosfs_lookup_checker(pmp, vdp, tdp, vpp));
 	}
 
 	/*
 	 * If rewriting (RENAME), return the inode and the
 	 * information required to rewrite the present directory
 	 * Must get inode of directory entry to verify it's a
 	 * regular file, or empty directory.
 	 */
 	if (nameiop == RENAME && (flags & ISLASTCN)) {
 		if (blkoff == MSDOSFSROOT_OFS)
 			return (EBUSY);
 
 		error = VOP_ACCESS(vdp, VWRITE, cnp->cn_cred, curthread);
 		if (error)
 			return (error);
 
 		/*
 		 * Careful about locking second inode.
 		 * This can only occur if the target is ".".
 		 */
 		if (dp->de_StartCluster == scn && isadir)
 			return (EISDIR);
 
 		if ((error = deget(pmp, cluster, blkoff, LK_EXCLUSIVE,
 		    &tdp)) != 0)
 			return (error);
 		if ((error = msdosfs_lookup_checker(pmp, vdp, tdp, vpp))
 		    != 0)
 			return (error);
 		return (0);
 	}
 
 	/*
 	 * Step through the translation in the name.  We do not `vput' the
 	 * directory because we may need it again if a symbolic link
 	 * is relative to the current directory.  Instead we save it
 	 * unlocked as "pdp".  We must get the target inode before unlocking
 	 * the directory to insure that the inode will not be removed
 	 * before we get it.  We prevent deadlock by always fetching
 	 * inodes from the root, moving down the directory tree. Thus
 	 * when following backward pointers ".." we must unlock the
 	 * parent directory before getting the requested directory.
 	 */
 	pdp = vdp;
 	if (flags & ISDOTDOT) {
 		dd_arg.cluster = cluster;
 		dd_arg.blkoff = blkoff;
 		error = vn_vget_ino_gen(vdp, msdosfs_deget_dotdot,
 		    &dd_arg, cnp->cn_lkflags, vpp);
 		if (error != 0) {
 			*vpp = NULL;
 			return (error);
 		}
 		/*
 		 * Recheck that ".." still points to the inode we
 		 * looked up before pdp lock was dropped.
 		 */
 		error = msdosfs_lookup_ino(pdp, NULL, cnp, &scn, &blkoff);
 		if (error) {
 			vput(*vpp);
 			*vpp = NULL;
 			return (error);
 		}
 		if (FAT32(pmp) && scn == MSDOSFSROOT)
 			scn = pmp->pm_rootdirblk;
 		inode1 = DETOI(pmp, scn, blkoff);
 		if (VTODE(*vpp)->de_inode != inode1) {
 			vput(*vpp);
 			goto restart;
 		}
 		error = msdosfs_lookup_checker(pmp, vdp, VTODE(*vpp), vpp);
 		if (error != 0)
 			return (error);
 	} else if (dp->de_StartCluster == scn && isadir) {
 		if (cnp->cn_namelen != 1 || cnp->cn_nameptr[0] != '.') {
 			/* fs is corrupted, non-dot lookup returned dvp */
 			msdosfs_integrity_error(pmp);
 			return (EBADF);
 		}
-		VREF(vdp);	/* we want ourself, ie "." */
+		vref(vdp);	/* we want ourself, ie "." */
 		*vpp = vdp;
 	} else {
 		if ((error = deget(pmp, cluster, blkoff, LK_EXCLUSIVE,
 		    &tdp)) != 0)
 			return (error);
 		if ((error = msdosfs_lookup_checker(pmp, vdp, tdp, vpp)) != 0)
 			return (error);
 	}
 
 	/*
 	 * Insert name into cache if appropriate.
 	 */
 	if (cnp->cn_flags & MAKEENTRY)
 		cache_enter(vdp, *vpp, cnp);
 	return (0);
 }
 
 /*
  * dep  - directory entry to copy into the directory
  * ddep - directory to add to
  * depp - return the address of the denode for the created directory entry
  *	  if depp != 0
  * cnp  - componentname needed for Win95 long filenames
  */
 int
 createde(struct denode *dep, struct denode *ddep, struct denode **depp,
     struct componentname *cnp)
 {
 	int error;
 	u_long dirclust, diroffset;
 	struct direntry *ndep;
 	struct msdosfsmount *pmp = ddep->de_pmp;
 	struct buf *bp;
 	daddr_t bn;
 	int blsize;
 
 #ifdef MSDOSFS_DEBUG
 	printf("createde(dep %p, ddep %p, depp %p, cnp %p)\n",
 	    dep, ddep, depp, cnp);
 #endif
 
 	/*
 	 * If no space left in the directory then allocate another cluster
 	 * and chain it onto the end of the file.  There is one exception
 	 * to this.  That is, if the root directory has no more space it
 	 * can NOT be expanded.  extendfile() checks for and fails attempts
 	 * to extend the root directory.  We just return an error in that
 	 * case.
 	 */
 	if (ddep->de_fndoffset >= ddep->de_FileSize) {
 		diroffset = ddep->de_fndoffset + sizeof(struct direntry)
 		    - ddep->de_FileSize;
 		dirclust = de_clcount(pmp, diroffset);
 		error = extendfile(ddep, dirclust, 0, 0, DE_CLEAR);
 		if (error) {
 			(void)detrunc(ddep, ddep->de_FileSize, 0, NOCRED);
 			return error;
 		}
 
 		/*
 		 * Update the size of the directory
 		 */
 		ddep->de_FileSize += de_cn2off(pmp, dirclust);
 	}
 
 	/*
 	 * We just read in the cluster with space.  Copy the new directory
 	 * entry in.  Then write it to disk. NOTE:  DOS directories
 	 * do not get smaller as clusters are emptied.
 	 */
 	error = pcbmap(ddep, de_cluster(pmp, ddep->de_fndoffset),
 		       &bn, &dirclust, &blsize);
 	if (error)
 		return error;
 	diroffset = ddep->de_fndoffset;
 	if (dirclust != MSDOSFSROOT)
 		diroffset &= pmp->pm_crbomask;
 	if ((error = bread(pmp->pm_devvp, bn, blsize, NOCRED, &bp)) != 0) {
 		brelse(bp);
 		return error;
 	}
 	ndep = bptoep(pmp, bp, ddep->de_fndoffset);
 	rootde_alloced(ddep);
 
 	DE_EXTERNALIZE(ndep, dep);
 
 	/*
 	 * Now write the Win95 long name
 	 */
 	if (ddep->de_fndcnt > 0) {
 		uint8_t chksum = winChksum(ndep->deName);
 		const u_char *un = (const u_char *)cnp->cn_nameptr;
 		int unlen = cnp->cn_namelen;
 		int cnt = 1;
 
 		while (--ddep->de_fndcnt >= 0) {
 			if (!(ddep->de_fndoffset & pmp->pm_crbomask)) {
 				if (DOINGASYNC(DETOV(ddep)))
 					bdwrite(bp);
 				else if ((error = bwrite(bp)) != 0)
 					return error;
 
 				ddep->de_fndoffset -= sizeof(struct direntry);
 				error = pcbmap(ddep,
 					       de_cluster(pmp,
 							  ddep->de_fndoffset),
 					       &bn, 0, &blsize);
 				if (error)
 					return error;
 
 				error = bread(pmp->pm_devvp, bn, blsize,
 					      NOCRED, &bp);
 				if (error) {
 					return error;
 				}
 				ndep = bptoep(pmp, bp, ddep->de_fndoffset);
 			} else {
 				ndep--;
 				ddep->de_fndoffset -= sizeof(struct direntry);
 			}
 			rootde_alloced(ddep);
 			if (!unix2winfn(un, unlen, (struct winentry *)ndep,
 					cnt++, chksum, pmp))
 				break;
 		}
 	}
 
 	if (DOINGASYNC(DETOV(ddep)))
 		bdwrite(bp);
 	else if ((error = bwrite(bp)) != 0)
 		return error;
 
 	/*
 	 * If they want us to return with the denode gotten.
 	 */
 	if (depp) {
 		if (dep->de_Attributes & ATTR_DIRECTORY) {
 			dirclust = dep->de_StartCluster;
 			if (FAT32(pmp) && dirclust == pmp->pm_rootdirblk)
 				dirclust = MSDOSFSROOT;
 			if (dirclust == MSDOSFSROOT)
 				diroffset = MSDOSFSROOT_OFS;
 			else
 				diroffset = 0;
 		}
 		return (deget(pmp, dirclust, diroffset, LK_EXCLUSIVE, depp));
 	}
 
 	return 0;
 }
 
 /*
  * Be sure a directory is empty except for "." and "..". Return 1 if empty,
  * return 0 if not empty or error.
  */
 int
 dosdirempty(struct denode *dep)
 {
 	int blsize;
 	int error;
 	u_long cn;
 	daddr_t bn;
 	struct buf *bp;
 	struct msdosfsmount *pmp = dep->de_pmp;
 	struct direntry *dentp;
 
 	/*
 	 * Since the filesize field in directory entries for a directory is
 	 * zero, we just have to feel our way through the directory until
 	 * we hit end of file.
 	 */
 	for (cn = 0;; cn++) {
 		if ((error = pcbmap(dep, cn, &bn, 0, &blsize)) != 0) {
 			if (error == E2BIG)
 				return (1);	/* it's empty */
 			return (0);
 		}
 		error = bread(pmp->pm_devvp, bn, blsize, NOCRED, &bp);
 		if (error) {
 			return (0);
 		}
 		for (dentp = (struct direntry *)bp->b_data;
 		     (char *)dentp < bp->b_data + blsize;
 		     dentp++) {
 			if (dentp->deName[0] != SLOT_DELETED &&
 			    (dentp->deAttributes & ATTR_VOLUME) == 0) {
 				/*
 				 * In dos directories an entry whose name
 				 * starts with SLOT_EMPTY (0) starts the
 				 * beginning of the unused part of the
 				 * directory, so we can just return that it
 				 * is empty.
 				 */
 				if (dentp->deName[0] == SLOT_EMPTY) {
 					brelse(bp);
 					return (1);
 				}
 				/*
 				 * Any names other than "." and ".." in a
 				 * directory mean it is not empty.
 				 */
 				if (bcmp(dentp->deName, ".          ", 11) &&
 				    bcmp(dentp->deName, "..         ", 11)) {
 					brelse(bp);
 #ifdef MSDOSFS_DEBUG
 					printf("dosdirempty(): entry found %02x, %02x\n",
 					    dentp->deName[0], dentp->deName[1]);
 #endif
 					return (0);	/* not empty */
 				}
 			}
 		}
 		brelse(bp);
 	}
 	/* NOTREACHED */
 }
 
 /*
  * Check to see if the directory described by target is in some
  * subdirectory of source.  This prevents something like the following from
  * succeeding and leaving a bunch or files and directories orphaned. mv
  * /a/b/c /a/b/c/d/e/f Where c and f are directories.
  *
  * source - the inode for /a/b/c
  * target - the inode for /a/b/c/d/e/f
  *
  * Returns 0 if target is NOT a subdirectory of source.
  * Otherwise returns a non-zero error number.
  */
 int
 doscheckpath(struct denode *source, struct denode *target, daddr_t *wait_scn)
 {
 	daddr_t scn;
 	struct msdosfsmount *pmp;
 	struct direntry *ep;
 	struct denode *dep;
 	struct buf *bp = NULL;
 	int error = 0;
 
 	*wait_scn = 0;
 
 	pmp = target->de_pmp;
 	KASSERT(pmp == source->de_pmp,
 	    ("doscheckpath: source and target on different filesystems"));
 
 	if ((target->de_Attributes & ATTR_DIRECTORY) == 0 ||
 	    (source->de_Attributes & ATTR_DIRECTORY) == 0)
 		return (ENOTDIR);
 
 	if (target->de_StartCluster == source->de_StartCluster)
 		return (EEXIST);
 
 	if (target->de_StartCluster == MSDOSFSROOT ||
 	    (FAT32(pmp) && target->de_StartCluster == pmp->pm_rootdirblk))
 		return (0);
 
 	dep = target;
 	vget(DETOV(dep), LK_EXCLUSIVE);
 	for (;;) {
 		if ((dep->de_Attributes & ATTR_DIRECTORY) == 0) {
 			error = ENOTDIR;
 			break;
 		}
 		scn = dep->de_StartCluster;
 		error = bread(pmp->pm_devvp, cntobn(pmp, scn),
 		    pmp->pm_bpcluster, NOCRED, &bp);
 		if (error != 0)
 			break;
 
 		ep = (struct direntry *)bp->b_data + 1;
 		if ((ep->deAttributes & ATTR_DIRECTORY) == 0 ||
 		    bcmp(ep->deName, "..         ", 11) != 0) {
 			error = ENOTDIR;
 			brelse(bp);
 			break;
 		}
 
 		scn = getushort(ep->deStartCluster);
 		if (FAT32(pmp))
 			scn |= getushort(ep->deHighClust) << 16;
 		brelse(bp);
 
 		if (scn == source->de_StartCluster) {
 			error = EINVAL;
 			break;
 		}
 		if (scn == MSDOSFSROOT)
 			break;
 		if (FAT32(pmp) && scn == pmp->pm_rootdirblk) {
 			/*
 			 * scn should be 0 in this case,
 			 * but we silently ignore the error.
 			 */
 			break;
 		}
 
 		vput(DETOV(dep));
 		dep = NULL;
 		/* NOTE: deget() clears dep on error */
 		error = deget(pmp, scn, 0, LK_EXCLUSIVE | LK_NOWAIT, &dep);
 		if (error != 0) {
 			*wait_scn = scn;
 			break;
 		}
 	}
 #ifdef MSDOSFS_DEBUG
 	if (error == ENOTDIR)
 		printf("doscheckpath(): .. not a directory?\n");
 #endif
 	if (dep != NULL)
 		vput(DETOV(dep));
 	return (error);
 }
 
 /*
  * Read in the disk block containing the directory entry (dirclu, dirofs)
  * and return the address of the buf header, and the address of the
  * directory entry within the block.
  */
 int
 readep(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset,
     struct buf **bpp, struct direntry **epp)
 {
 	int error;
 	daddr_t bn;
 	int blsize;
 
 	blsize = pmp->pm_bpcluster;
 	if (dirclust == MSDOSFSROOT
 	    && de_blk(pmp, diroffset + blsize) > pmp->pm_rootdirsize)
 		blsize = de_bn2off(pmp, pmp->pm_rootdirsize) & pmp->pm_crbomask;
 	bn = detobn(pmp, dirclust, diroffset);
 	if ((error = bread(pmp->pm_devvp, bn, blsize, NOCRED, bpp)) != 0) {
 		brelse(*bpp);
 		*bpp = NULL;
 		return (error);
 	}
 	if (epp)
 		*epp = bptoep(pmp, *bpp, diroffset);
 	return (0);
 }
 
 /*
  * Read in the disk block containing the directory entry dep came from and
  * return the address of the buf header, and the address of the directory
  * entry within the block.
  */
 int
 readde(struct denode *dep, struct buf **bpp, struct direntry **epp)
 {
 
 	return (readep(dep->de_pmp, dep->de_dirclust, dep->de_diroffset,
 	    bpp, epp));
 }
 
 /*
  * Remove a directory entry. At this point the file represented by the
  * directory entry to be removed is still full length until no one has it
  * open.  When the file no longer being used msdosfs_inactive() is called
  * and will truncate the file to 0 length.  When the vnode containing the
  * denode is needed for some other purpose by VFS it will call
  * msdosfs_reclaim() which will remove the denode from the denode cache.
  *
  * pdep	directory where the entry is removed
  * dep	file to be removed
  */
 int
 removede(struct denode *pdep, struct denode *dep)
 {
 	int error;
 	struct direntry *ep;
 	struct buf *bp;
 	daddr_t bn;
 	int blsize;
 	struct msdosfsmount *pmp = pdep->de_pmp;
 	u_long offset = pdep->de_fndoffset;
 
 #ifdef MSDOSFS_DEBUG
 	printf("removede(): filename %s, dep %p, offset %08lx\n",
 	    dep->de_Name, dep, offset);
 #endif
 
 	dep->de_refcnt--;
 	offset += sizeof(struct direntry);
 	do {
 		offset -= sizeof(struct direntry);
 		error = pcbmap(pdep, de_cluster(pmp, offset), &bn, 0, &blsize);
 		if (error)
 			return error;
 		error = bread(pmp->pm_devvp, bn, blsize, NOCRED, &bp);
 		if (error) {
 			return error;
 		}
 		ep = bptoep(pmp, bp, offset);
 		/*
 		 * Check whether, if we came here the second time, i.e.
 		 * when underflowing into the previous block, the last
 		 * entry in this block is a longfilename entry, too.
 		 */
 		if (ep->deAttributes != ATTR_WIN95
 		    && offset != pdep->de_fndoffset) {
 			brelse(bp);
 			break;
 		}
 		offset += sizeof(struct direntry);
 		while (1) {
 			/*
 			 * We are a bit aggressive here in that we delete any Win95
 			 * entries preceding this entry, not just the ones we "own".
 			 * Since these presumably aren't valid anyway,
 			 * there should be no harm.
 			 */
 			offset -= sizeof(struct direntry);
 			ep--->deName[0] = SLOT_DELETED;
 			rootde_freed(pdep);
 			if ((pmp->pm_flags & MSDOSFSMNT_NOWIN95)
 			    || !(offset & pmp->pm_crbomask)
 			    || ep->deAttributes != ATTR_WIN95)
 				break;
 		}
 		if (DOINGASYNC(DETOV(pdep)))
 			bdwrite(bp);
 		else if ((error = bwrite(bp)) != 0)
 			return error;
 	} while (!(pmp->pm_flags & MSDOSFSMNT_NOWIN95)
 	    && !(offset & pmp->pm_crbomask)
 	    && offset);
 	return 0;
 }
 
 /*
  * Create a unique DOS name in dvp
  */
 int
 uniqdosname(struct denode *dep, struct componentname *cnp, u_char *cp)
 {
 	struct msdosfsmount *pmp = dep->de_pmp;
 	struct direntry *dentp;
 	int gen;
 	int blsize;
 	u_long cn;
 	daddr_t bn;
 	struct buf *bp;
 	int error;
 
 	if (pmp->pm_flags & MSDOSFSMNT_SHORTNAME)
 		return (unix2dosfn((const u_char *)cnp->cn_nameptr, cp,
 		    cnp->cn_namelen, 0, pmp) ? 0 : EINVAL);
 
 	for (gen = 1;; gen++) {
 		/*
 		 * Generate DOS name with generation number
 		 */
 		if (!unix2dosfn((const u_char *)cnp->cn_nameptr, cp,
 		    cnp->cn_namelen, gen, pmp))
 			return gen == 1 ? EINVAL : EEXIST;
 
 		/*
 		 * Now look for a dir entry with this exact name
 		 */
 		for (cn = error = 0; !error; cn++) {
 			if ((error = pcbmap(dep, cn, &bn, 0, &blsize)) != 0) {
 				if (error == E2BIG)	/* EOF reached and not found */
 					return 0;
 				return error;
 			}
 			error = bread(pmp->pm_devvp, bn, blsize, NOCRED, &bp);
 			if (error) {
 				return error;
 			}
 			for (dentp = (struct direntry *)bp->b_data;
 			     (char *)dentp < bp->b_data + blsize;
 			     dentp++) {
 				if (dentp->deName[0] == SLOT_EMPTY) {
 					/*
 					 * Last used entry and not found
 					 */
 					brelse(bp);
 					return 0;
 				}
 				/*
 				 * Ignore volume labels and Win95 entries
 				 */
 				if (dentp->deAttributes & ATTR_VOLUME)
 					continue;
 				if (!bcmp(dentp->deName, cp, 11)) {
 					error = EEXIST;
 					break;
 				}
 			}
 			brelse(bp);
 		}
 	}
 }
diff --git a/sys/fs/nfsclient/nfs_clrpcops.c b/sys/fs/nfsclient/nfs_clrpcops.c
index 6c2e35713287..ad9404a18fc8 100644
--- a/sys/fs/nfsclient/nfs_clrpcops.c
+++ b/sys/fs/nfsclient/nfs_clrpcops.c
@@ -1,9948 +1,9948 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed to Berkeley by
  * Rick Macklem at The University of Guelph.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  */
 
 #include <sys/cdefs.h>
 /*
  * Rpc op calls, generally called from the vnode op calls or through the
  * buffer cache, for NFS v2, 3 and 4.
  * These do not normally make any changes to vnode arguments or use
  * structures that might change between the VFS variants. The returned
  * arguments are all at the end, after the NFSPROC_T *p one.
  */
 
 #include "opt_inet6.h"
 
 #include <fs/nfs/nfsport.h>
 #include <fs/nfsclient/nfs.h>
 #include <sys/extattr.h>
 #include <sys/sysctl.h>
 #include <sys/taskqueue.h>
 
 SYSCTL_DECL(_vfs_nfs);
 
 static int	nfsignore_eexist = 0;
 SYSCTL_INT(_vfs_nfs, OID_AUTO, ignore_eexist, CTLFLAG_RW,
     &nfsignore_eexist, 0, "NFS ignore EEXIST replies for mkdir/symlink");
 
 static int	nfscl_dssameconn = 0;
 SYSCTL_INT(_vfs_nfs, OID_AUTO, dssameconn, CTLFLAG_RW,
     &nfscl_dssameconn, 0, "Use same TCP connection to multiple DSs");
 
 static uint64_t nfs_maxcopyrange = SSIZE_MAX;
 SYSCTL_U64(_vfs_nfs, OID_AUTO, maxcopyrange, CTLFLAG_RW,
     &nfs_maxcopyrange, 0, "Max size of a Copy so RPC times reasonable");
 
 /*
  * Global variables
  */
 extern struct nfsstatsv1 nfsstatsv1;
 extern int nfs_numnfscbd;
 extern struct timeval nfsboottime;
 extern u_int32_t newnfs_false, newnfs_true;
 extern nfstype nfsv34_type[9];
 extern int nfsrv_useacl;
 extern char nfsv4_callbackaddr[INET6_ADDRSTRLEN];
 extern int nfscl_debuglevel;
 extern int nfs_pnfsiothreads;
 extern u_long sb_max_adj;
 NFSCLSTATEMUTEX;
 int nfstest_outofseq = 0;
 int nfscl_assumeposixlocks = 1;
 int nfscl_enablecallb = 0;
 short nfsv4_cbport = NFSV4_CBPORT;
 int nfstest_openallsetattr = 0;
 
 #define	DIRHDSIZ	offsetof(struct dirent, d_name)
 
 /*
  * nfscl_getsameserver() can return one of three values:
  * NFSDSP_USETHISSESSION - Use this session for the DS.
  * NFSDSP_SEQTHISSESSION - Use the nfsclds_sequence field of this dsp for new
  *     session.
  * NFSDSP_NOTFOUND - No matching server was found.
  */
 enum nfsclds_state {
 	NFSDSP_USETHISSESSION = 0,
 	NFSDSP_SEQTHISSESSION = 1,
 	NFSDSP_NOTFOUND = 2,
 };
 
 /*
  * Do a write RPC on a DS data file, using this structure for the arguments,
  * so that this function can be executed by a separate kernel process.
  */
 struct nfsclwritedsdorpc {
 	int			done;
 	int			inprog;
 	struct task		tsk;
 	struct vnode		*vp;
 	int			iomode;
 	int			must_commit;
 	nfsv4stateid_t		*stateidp;
 	struct nfsclds		*dsp;
 	uint64_t		off;
 	int			len;
 #ifdef notyet
 	int			advise;
 #endif
 	struct nfsfh		*fhp;
 	struct mbuf		*m;
 	int			vers;
 	int			minorvers;
 	struct ucred		*cred;
 	NFSPROC_T		*p;
 	int			err;
 };
 
 static int nfsrpc_setattrrpc(vnode_t , struct vattr *, nfsv4stateid_t *,
     struct ucred *, NFSPROC_T *, struct nfsvattr *, int *);
 static int nfsrpc_readrpc(vnode_t , struct uio *, struct ucred *,
     nfsv4stateid_t *, NFSPROC_T *, struct nfsvattr *, int *);
 static int nfsrpc_writerpc(vnode_t , struct uio *, int *, int *,
     struct ucred *, nfsv4stateid_t *, NFSPROC_T *, struct nfsvattr *, int *,
     int);
 static int nfsrpc_deallocaterpc(vnode_t, off_t, off_t, nfsv4stateid_t *,
     struct nfsvattr *, int *, struct ucred *, NFSPROC_T *);
 static int nfsrpc_createv23(vnode_t , char *, int, struct vattr *,
     nfsquad_t, int, struct ucred *, NFSPROC_T *, struct nfsvattr *,
     struct nfsvattr *, struct nfsfh **, int *, int *);
 static int nfsrpc_createv4(vnode_t , char *, int, struct vattr *,
     nfsquad_t, int, struct nfsclowner *, struct nfscldeleg **, struct ucred *,
     NFSPROC_T *, struct nfsvattr *, struct nfsvattr *, struct nfsfh **, int *,
     int *, int *);
 static bool nfscl_invalidfname(bool, char *, int);
 static int nfsrpc_locku(struct nfsrv_descript *, struct nfsmount *,
     struct nfscllockowner *, u_int64_t, u_int64_t,
     u_int32_t, struct ucred *, NFSPROC_T *, int);
 static int nfsrpc_setaclrpc(vnode_t, struct ucred *, NFSPROC_T *,
     struct acl *, nfsv4stateid_t *);
 static int nfsrpc_layouterror(struct nfsmount *, uint8_t *, int, uint64_t,
     uint64_t, nfsv4stateid_t *, struct ucred *, NFSPROC_T *, uint32_t,
     uint32_t, char *);
 static int nfsrpc_getlayout(struct nfsmount *, vnode_t, struct nfsfh *, int,
     uint32_t, uint32_t *, nfsv4stateid_t *, uint64_t, struct nfscllayout **,
     struct ucred *, NFSPROC_T *);
 static int nfsrpc_fillsa(struct nfsmount *, struct sockaddr_in *,
     struct sockaddr_in6 *, sa_family_t, int, int, struct nfsclds **,
     NFSPROC_T *);
 static void nfscl_initsessionslots(struct nfsclsession *);
 static int nfscl_doflayoutio(vnode_t, struct uio *, int *, int *, int *,
     nfsv4stateid_t *, int, struct nfscldevinfo *, struct nfscllayout *,
     struct nfsclflayout *, uint64_t, uint64_t, int, struct ucred *,
     NFSPROC_T *);
 static int nfscl_dofflayoutio(vnode_t, struct uio *, int *, int *, int *,
     nfsv4stateid_t *, int, struct nfscldevinfo *, struct nfscllayout *,
     struct nfsclflayout *, uint64_t, uint64_t, int, int, struct mbuf *,
     struct nfsclwritedsdorpc *, struct ucred *, NFSPROC_T *);
 static int nfsrpc_readds(vnode_t, struct uio *, nfsv4stateid_t *, int *,
     struct nfsclds *, uint64_t, int, struct nfsfh *, int, int, int,
     struct ucred *, NFSPROC_T *);
 static int nfsrpc_writeds(vnode_t, struct uio *, int *, int *,
     nfsv4stateid_t *, struct nfsclds *, uint64_t, int,
     struct nfsfh *, int, int, int, int, struct ucred *, NFSPROC_T *);
 static int nfsio_writedsmir(vnode_t, int *, int *, nfsv4stateid_t *,
     struct nfsclds *, uint64_t, int, struct nfsfh *, struct mbuf *, int, int,
     struct nfsclwritedsdorpc *, struct ucred *, NFSPROC_T *);
 static int nfsrpc_writedsmir(vnode_t, int *, int *, nfsv4stateid_t *,
     struct nfsclds *, uint64_t, int, struct nfsfh *, struct mbuf *, int, int,
     struct ucred *, NFSPROC_T *);
 static enum nfsclds_state nfscl_getsameserver(struct nfsmount *,
     struct nfsclds *, struct nfsclds **, uint32_t *);
 static int nfsio_commitds(vnode_t, uint64_t, int, struct nfsclds *,
     struct nfsfh *, int, int, struct nfsclwritedsdorpc *, struct ucred *,
     NFSPROC_T *);
 static int nfsrpc_commitds(vnode_t, uint64_t, int, struct nfsclds *,
     struct nfsfh *, int, int, struct ucred *, NFSPROC_T *);
 #ifdef notyet
 static int nfsio_adviseds(vnode_t, uint64_t, int, int, struct nfsclds *,
     struct nfsfh *, int, int, struct nfsclwritedsdorpc *, struct ucred *,
     NFSPROC_T *);
 static int nfsrpc_adviseds(vnode_t, uint64_t, int, int, struct nfsclds *,
     struct nfsfh *, int, int, struct ucred *, NFSPROC_T *);
 #endif
 static int nfsrpc_allocaterpc(vnode_t, off_t, off_t, nfsv4stateid_t *,
     struct nfsvattr *, int *, struct ucred *, NFSPROC_T *);
 static void nfsrv_setuplayoutget(struct nfsrv_descript *, int, uint64_t,
     uint64_t, uint64_t, nfsv4stateid_t *, int, int, int);
 static int nfsrv_parseug(struct nfsrv_descript *, int, uid_t *, gid_t *,
     NFSPROC_T *);
 static int nfsrv_parselayoutget(struct nfsmount *, struct nfsrv_descript *,
     nfsv4stateid_t *, int *, struct nfsclflayouthead *);
 static int nfsrpc_getopenlayout(struct nfsmount *, vnode_t, u_int8_t *,
     int, uint8_t *, int, uint32_t, struct nfsclopen *, uint8_t *, int,
     struct nfscldeleg **, struct ucred *, NFSPROC_T *);
 static int nfsrpc_getcreatelayout(vnode_t, char *, int, struct vattr *,
     nfsquad_t, int, struct nfsclowner *, struct nfscldeleg **,
     struct ucred *, NFSPROC_T *, struct nfsvattr *, struct nfsvattr *,
     struct nfsfh **, int *, int *, int *);
 static int nfsrpc_openlayoutrpc(struct nfsmount *, vnode_t, u_int8_t *,
     int, uint8_t *, int, uint32_t, struct nfsclopen *, uint8_t *, int,
     struct nfscldeleg **, nfsv4stateid_t *, int, int, int, int *,
     struct nfsclflayouthead *, int *, struct ucred *, NFSPROC_T *);
 static int nfsrpc_createlayout(vnode_t, char *, int, struct vattr *,
     nfsquad_t, int, struct nfsclowner *, struct nfscldeleg **,
     struct ucred *, NFSPROC_T *, struct nfsvattr *, struct nfsvattr *,
     struct nfsfh **, int *, int *, int *, nfsv4stateid_t *,
     int, int, int, int *, struct nfsclflayouthead *, int *);
 static int nfsrpc_layoutget(struct nfsmount *, uint8_t *, int, int, uint64_t,
     uint64_t, uint64_t, int, int, nfsv4stateid_t *, int *,
     struct nfsclflayouthead *, struct ucred *, NFSPROC_T *);
 static int nfsrpc_layoutgetres(struct nfsmount *, vnode_t, uint8_t *,
     int, nfsv4stateid_t *, int, uint32_t *, struct nfscllayout **,
     struct nfsclflayouthead *, int, int, int *, struct ucred *, NFSPROC_T *);
 static int nfsrpc_copyrpc(vnode_t, off_t, vnode_t, off_t, size_t *,
     nfsv4stateid_t *, nfsv4stateid_t *, struct nfsvattr *, int *,
     struct nfsvattr *, int *, bool, int *, struct ucred *, NFSPROC_T *);
 static int nfsrpc_clonerpc(vnode_t, off_t, vnode_t, off_t, size_t *, bool,
     nfsv4stateid_t *, nfsv4stateid_t *, struct nfsvattr *, int *,
     struct nfsvattr *, int *, struct ucred *, NFSPROC_T *);
 static int nfsrpc_seekrpc(vnode_t, off_t *, nfsv4stateid_t *, bool *,
     int, struct nfsvattr *, int *, struct ucred *);
 static struct mbuf *nfsm_split(struct mbuf *, uint64_t);
 static void nfscl_statfs(struct vnode *, struct ucred *, NFSPROC_T *);
 
 int nfs_pnfsio(task_fn_t *, void *);
 
 /*
  * nfs null call from vfs.
  */
 int
 nfsrpc_null(vnode_t vp, struct ucred *cred, NFSPROC_T *p)
 {
 	int error;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 
 	NFSCL_REQSTART(nd, NFSPROC_NULL, vp, NULL);
 	error = nfscl_request(nd, vp, p, cred);
 	if (nd->nd_repstat && !error)
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs access rpc op.
  * For nfs version 3 and 4, use the access rpc to check accessibility. If file
  * modes are changed on the server, accesses might still fail later.
  */
 int
 nfsrpc_access(vnode_t vp, int acmode, struct ucred *cred,
     NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp)
 {
 	int error;
 	u_int32_t mode, rmode;
 
 	if (acmode & VREAD)
 		mode = NFSACCESS_READ;
 	else
 		mode = 0;
 	if (vp->v_type == VDIR) {
 		if (acmode & VWRITE)
 			mode |= (NFSACCESS_MODIFY | NFSACCESS_EXTEND |
 				 NFSACCESS_DELETE);
 		if (acmode & VEXEC)
 			mode |= NFSACCESS_LOOKUP;
 	} else {
 		if (acmode & VWRITE)
 			mode |= (NFSACCESS_MODIFY | NFSACCESS_EXTEND);
 		if (acmode & VEXEC)
 			mode |= NFSACCESS_EXECUTE;
 	}
 
 	/*
 	 * Now, just call nfsrpc_accessrpc() to do the actual RPC.
 	 */
 	error = nfsrpc_accessrpc(vp, mode, cred, p, nap, attrflagp, &rmode);
 
 	/*
 	 * The NFS V3 spec does not clarify whether or not
 	 * the returned access bits can be a superset of
 	 * the ones requested, so...
 	 */
 	if (!error && (rmode & mode) != mode)
 		error = EACCES;
 	return (error);
 }
 
 /*
  * The actual rpc, separated out for Darwin.
  */
 int
 nfsrpc_accessrpc(vnode_t vp, u_int32_t mode, struct ucred *cred,
     NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp, u_int32_t *rmodep)
 {
 	u_int32_t *tl;
 	u_int32_t supported, rmode;
 	int error;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	nfsattrbit_t attrbits;
 	struct nfsmount *nmp;
 	struct nfsnode *np;
 
 	*attrflagp = 0;
 	supported = mode;
 	nmp = VFSTONFS(vp->v_mount);
 	np = VTONFS(vp);
 	if ((nmp->nm_privflag & NFSMNTP_FAKEROOTFH) != 0 &&
 	    nmp->nm_fhsize == 0) {
 		/* Attempt to get the actual root file handle. */
 		error = nfsrpc_getdirpath(nmp, NFSMNT_DIRPATH(nmp), cred, p);
 		if (error != 0)
 			return (EACCES);
 		if (np->n_fhp->nfh_len == NFSX_FHMAX + 1)
 			nfscl_statfs(vp, cred, p);
 	}
 	NFSCL_REQSTART(nd, NFSPROC_ACCESS, vp, cred);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(mode);
 	if (nd->nd_flag & ND_NFSV4) {
 		/*
 		 * And do a Getattr op.
 		 */
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		NFSGETATTR_ATTRBIT(&attrbits);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 	}
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_flag & ND_NFSV3) {
 		error = nfscl_postop_attr(nd, nap, attrflagp);
 		if (error)
 			goto nfsmout;
 	}
 	if (!nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV4) {
 			NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			supported = fxdr_unsigned(u_int32_t, *tl++);
 		} else {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		}
 		rmode = fxdr_unsigned(u_int32_t, *tl);
 		if (nd->nd_flag & ND_NFSV4)
 			error = nfscl_postop_attr(nd, nap, attrflagp);
 
 		/*
 		 * It's not obvious what should be done about
 		 * unsupported access modes. For now, be paranoid
 		 * and clear the unsupported ones.
 		 */
 		rmode &= supported;
 		*rmodep = rmode;
 	} else
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs open rpc
  */
 int
 nfsrpc_open(vnode_t vp, int amode, struct ucred *cred, NFSPROC_T *p)
 {
 	struct nfsclopen *op;
 	struct nfscldeleg *dp;
 	struct nfsfh *nfhp;
 	struct nfsnode *np = VTONFS(vp);
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	u_int32_t mode, clidrev;
 	int ret, newone, error, expireret = 0, retrycnt;
 
 	/*
 	 * For NFSv4, Open Ops are only done on Regular Files.
 	 */
 	if (vp->v_type != VREG)
 		return (0);
 	mode = 0;
 	if (amode & FREAD)
 		mode |= NFSV4OPEN_ACCESSREAD;
 	if (amode & FWRITE)
 		mode |= NFSV4OPEN_ACCESSWRITE;
 	if (NFSHASNFSV4N(nmp)) {
 		if (!NFSHASPNFS(nmp) && nfscl_enablecallb != 0 &&
 		    nfs_numnfscbd > 0 &&
 		    (vn_irflag_read(vp) & VIRF_NAMEDATTR) == 0) {
 			if ((mode & NFSV4OPEN_ACCESSWRITE) != 0)
 				mode |= NFSV4OPEN_WANTWRITEDELEG;
 			else
 				mode |= NFSV4OPEN_WANTANYDELEG;
 		} else
 			mode |= NFSV4OPEN_WANTNODELEG;
 	}
 	nfhp = np->n_fhp;
 
 	retrycnt = 0;
 	do {
 	    dp = NULL;
 	    error = nfscl_open(vp, nfhp->nfh_fh, nfhp->nfh_len,
 		(mode & NFSV4OPEN_ACCESSBOTH), 1, cred, p, NULL,
 		&op, &newone, &ret, 1, true);
 	    if (error) {
 		return (error);
 	    }
 	    if (nmp->nm_clp != NULL)
 		clidrev = nmp->nm_clp->nfsc_clientidrev;
 	    else
 		clidrev = 0;
 	    if (ret == NFSCLOPEN_DOOPEN) {
 		if (np->n_v4 != NULL) {
 			/*
 			 * For the first attempt, try and get a layout, if
 			 * pNFS is enabled for the mount.
 			 */
 			if (!NFSHASPNFS(nmp) || nfscl_enablecallb == 0 ||
 			    nfs_numnfscbd == 0 ||
 			    (np->n_flag & NNOLAYOUT) != 0 || retrycnt > 0)
 				error = nfsrpc_openrpc(nmp, vp,
 				    np->n_v4->n4_data,
 				    np->n_v4->n4_fhlen, np->n_fhp->nfh_fh,
 				    np->n_fhp->nfh_len, mode, op,
 				    NFS4NODENAME(np->n_v4),
 				    np->n_v4->n4_namelen,
 				    &dp, 0, 0x0, cred, p, 0, 0);
 			else
 				error = nfsrpc_getopenlayout(nmp, vp,
 				    np->n_v4->n4_data,
 				    np->n_v4->n4_fhlen, np->n_fhp->nfh_fh,
 				    np->n_fhp->nfh_len, mode, op,
 				    NFS4NODENAME(np->n_v4),
 				    np->n_v4->n4_namelen, &dp, cred, p);
 			if (dp != NULL) {
 				NFSLOCKNODE(np);
 				np->n_flag &= ~NDELEGMOD;
 				/*
 				 * Invalidate the attribute cache, so that
 				 * attributes that pre-date the issue of a
 				 * delegation are not cached, since the
 				 * cached attributes will remain valid while
 				 * the delegation is held.
 				 */
 				NFSINVALATTRCACHE(np);
 				NFSUNLOCKNODE(np);
 				(void) nfscl_deleg(nmp->nm_mountp,
 				    op->nfso_own->nfsow_clp,
 				    nfhp->nfh_fh, nfhp->nfh_len, cred, p, dp);
 			}
 		} else if (NFSHASNFSV4N(nmp)) {
 			/*
 			 * For the first attempt, try and get a layout, if
 			 * pNFS is enabled for the mount.
 			 */
 			if (!NFSHASPNFS(nmp) || nfscl_enablecallb == 0 ||
 			    nfs_numnfscbd == 0 ||
 			    (np->n_flag & NNOLAYOUT) != 0 || retrycnt > 0)
 				error = nfsrpc_openrpc(nmp, vp, nfhp->nfh_fh,
 				    nfhp->nfh_len, nfhp->nfh_fh, nfhp->nfh_len,
 				    mode, op, NULL, 0, &dp, 0, 0x0, cred, p, 0,
 				    0);
 			else
 				error = nfsrpc_getopenlayout(nmp, vp,
 				    nfhp->nfh_fh, nfhp->nfh_len, nfhp->nfh_fh,
 				    nfhp->nfh_len, mode, op, NULL, 0, &dp,
 				    cred, p);
 			if (dp != NULL) {
 				NFSLOCKNODE(np);
 				np->n_flag &= ~NDELEGMOD;
 				/*
 				 * Invalidate the attribute cache, so that
 				 * attributes that pre-date the issue of a
 				 * delegation are not cached, since the
 				 * cached attributes will remain valid while
 				 * the delegation is held.
 				 */
 				NFSINVALATTRCACHE(np);
 				NFSUNLOCKNODE(np);
 				(void) nfscl_deleg(nmp->nm_mountp,
 				    op->nfso_own->nfsow_clp,
 				    nfhp->nfh_fh, nfhp->nfh_len, cred, p, dp);
 			}
 		} else {
 			error = EIO;
 		}
 		newnfs_copyincred(cred, &op->nfso_cred);
 	    } else if (ret == NFSCLOPEN_SETCRED)
 		/*
 		 * This is a new local open on a delegation. It needs
 		 * to have credentials so that an open can be done
 		 * against the server during recovery.
 		 */
 		newnfs_copyincred(cred, &op->nfso_cred);
 
 	    /*
 	     * nfso_opencnt is the count of how many VOP_OPEN()s have
 	     * been done on this Open successfully and a VOP_CLOSE()
 	     * is expected for each of these.
 	     * If error is non-zero, don't increment it, since the Open
 	     * hasn't succeeded yet.
 	     */
 	    if (!error) {
 		op->nfso_opencnt++;
 		if (NFSHASNFSV4N(nmp) && NFSHASONEOPENOWN(nmp)) {
 		    NFSLOCKNODE(np);
 		    np->n_openstateid = op;
 		    NFSUNLOCKNODE(np);
 		}
 	    }
 	    nfscl_openrelease(nmp, op, error, newone);
 	    if (error == NFSERR_GRACE || error == NFSERR_STALECLIENTID ||
 		error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		error == NFSERR_BADSESSION) {
 		(void) nfs_catnap(PZERO, error, "nfs_open");
 	    } else if ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID)
 		&& clidrev != 0) {
 		expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
 		retrycnt++;
 	    }
 	} while (error == NFSERR_GRACE || error == NFSERR_STALECLIENTID ||
 	    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 	    error == NFSERR_BADSESSION ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4));
 	if (error && retrycnt >= 4)
 		error = EIO;
 	return (error);
 }
 
 /*
  * the actual open rpc
  */
 int
 nfsrpc_openrpc(struct nfsmount *nmp, vnode_t vp, u_int8_t *nfhp, int fhlen,
     u_int8_t *newfhp, int newfhlen, u_int32_t mode, struct nfsclopen *op,
     u_int8_t *name, int namelen, struct nfscldeleg **dpp,
     int reclaim, u_int32_t delegtype, struct ucred *cred, NFSPROC_T *p,
     int syscred, int recursed)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfscldeleg *dp, *ndp = NULL;
 	struct nfsvattr nfsva;
 	u_int32_t rflags, deleg;
 	nfsattrbit_t attrbits;
 	int error, ret, acesize, limitby;
 	struct nfsclsession *tsep;
 
 	dp = *dpp;
 	*dpp = NULL;
 	nfscl_reqstart(nd, NFSPROC_OPEN, nmp, nfhp, fhlen, NULL, NULL, 0, 0,
 	    cred);
 	NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(op->nfso_own->nfsow_seqid);
 	*tl++ = txdr_unsigned(mode & (NFSV4OPEN_ACCESSBOTH |
 	    NFSV4OPEN_WANTDELEGMASK));
 	*tl++ = txdr_unsigned((mode >> NFSLCK_SHIFT) & NFSV4OPEN_DENYBOTH);
 	tsep = nfsmnt_mdssession(nmp);
 	*tl++ = tsep->nfsess_clientid.lval[0];
 	*tl = tsep->nfsess_clientid.lval[1];
 	(void) nfsm_strtom(nd, op->nfso_own->nfsow_owner, NFSV4CL_LOCKNAMELEN);
 	NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(NFSV4OPEN_NOCREATE);
 	if (reclaim) {
 		*tl = txdr_unsigned(NFSV4OPEN_CLAIMPREVIOUS);
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(delegtype);
 	} else {
 		if (dp != NULL) {
 			if (NFSHASNFSV4N(nmp))
 				*tl = txdr_unsigned(
 				    NFSV4OPEN_CLAIMDELEGATECURFH);
 			else
 				*tl = txdr_unsigned(NFSV4OPEN_CLAIMDELEGATECUR);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
 			if (NFSHASNFSV4N(nmp))
 				*tl++ = 0;
 			else
 				*tl++ = dp->nfsdl_stateid.seqid;
 			*tl++ = dp->nfsdl_stateid.other[0];
 			*tl++ = dp->nfsdl_stateid.other[1];
 			*tl = dp->nfsdl_stateid.other[2];
 			if (!NFSHASNFSV4N(nmp))
 				(void)nfsm_strtom(nd, name, namelen);
 		} else if (NFSHASNFSV4N(nmp)) {
 			*tl = txdr_unsigned(NFSV4OPEN_CLAIMFH);
 		} else {
 			*tl = txdr_unsigned(NFSV4OPEN_CLAIMNULL);
 			(void)nfsm_strtom(nd, name, namelen);
 		}
 	}
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY);
 	(void) nfsrv_putattrbit(nd, &attrbits);
 	if (syscred)
 		nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, vp, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error)
 		return (error);
 	NFSCL_INCRSEQID(op->nfso_own->nfsow_seqid, nd);
 	if (nd->nd_repstat == 0 || (nd->nd_repstat == NFSERR_DELAY &&
 	    reclaim != 0 && (nd->nd_flag & ND_NOMOREDATA) == 0)) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
 		    6 * NFSX_UNSIGNED);
 		op->nfso_stateid.seqid = *tl++;
 		op->nfso_stateid.other[0] = *tl++;
 		op->nfso_stateid.other[1] = *tl++;
 		op->nfso_stateid.other[2] = *tl;
 		rflags = fxdr_unsigned(u_int32_t, *(tl + 6));
 		error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 		if (error)
 			goto nfsmout;
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		deleg = fxdr_unsigned(u_int32_t, *tl);
 		if (deleg == NFSV4OPEN_DELEGATEREAD ||
 		    deleg == NFSV4OPEN_DELEGATEWRITE) {
 			if (!(op->nfso_own->nfsow_clp->nfsc_flags &
 			      NFSCLFLAGS_FIRSTDELEG))
 				op->nfso_own->nfsow_clp->nfsc_flags |=
 				  (NFSCLFLAGS_FIRSTDELEG | NFSCLFLAGS_GOTDELEG);
 			ndp = malloc(
 			    sizeof (struct nfscldeleg) + newfhlen,
 			    M_NFSCLDELEG, M_WAITOK);
 			LIST_INIT(&ndp->nfsdl_owner);
 			LIST_INIT(&ndp->nfsdl_lock);
 			ndp->nfsdl_clp = op->nfso_own->nfsow_clp;
 			ndp->nfsdl_fhlen = newfhlen;
 			NFSBCOPY(newfhp, ndp->nfsdl_fh, newfhlen);
 			newnfs_copyincred(cred, &ndp->nfsdl_cred);
 			nfscl_lockinit(&ndp->nfsdl_rwlock);
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
 			    NFSX_UNSIGNED);
 			ndp->nfsdl_stateid.seqid = *tl++;
 			ndp->nfsdl_stateid.other[0] = *tl++;
 			ndp->nfsdl_stateid.other[1] = *tl++;
 			ndp->nfsdl_stateid.other[2] = *tl++;
 			ret = fxdr_unsigned(int, *tl);
 			if (deleg == NFSV4OPEN_DELEGATEWRITE) {
 				ndp->nfsdl_flags = NFSCLDL_WRITE;
 				/*
 				 * Indicates how much the file can grow.
 				 */
 				NFSM_DISSECT(tl, u_int32_t *,
 				    3 * NFSX_UNSIGNED);
 				limitby = fxdr_unsigned(int, *tl++);
 				switch (limitby) {
 				case NFSV4OPEN_LIMITSIZE:
 					ndp->nfsdl_sizelimit = fxdr_hyper(tl);
 					break;
 				case NFSV4OPEN_LIMITBLOCKS:
 					ndp->nfsdl_sizelimit =
 					    fxdr_unsigned(u_int64_t, *tl++);
 					ndp->nfsdl_sizelimit *=
 					    fxdr_unsigned(u_int64_t, *tl);
 					break;
 				default:
 					error = NFSERR_BADXDR;
 					goto nfsmout;
 				}
 			} else {
 				ndp->nfsdl_flags = NFSCLDL_READ;
 			}
 			if (ret)
 				ndp->nfsdl_flags |= NFSCLDL_RECALL;
 			error = nfsrv_dissectace(nd, &ndp->nfsdl_ace, false,
 			    &ret, &acesize, p);
 			if (error)
 				goto nfsmout;
 		} else if (deleg == NFSV4OPEN_DELEGATENONEEXT &&
 		    NFSHASNFSV4N(nmp)) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			deleg = fxdr_unsigned(uint32_t, *tl);
 			if (deleg == NFSV4OPEN_CONTENTION ||
 			    deleg == NFSV4OPEN_RESOURCE)
 				NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		} else if (deleg != NFSV4OPEN_DELEGATENONE) {
 			error = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 		NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		/* If the 2nd element == NFS_OK, the Getattr succeeded. */
 		if (*++tl == 0) {
 			KASSERT(nd->nd_repstat == 0,
 			    ("nfsrpc_openrpc: Getattr repstat"));
 			error = nfsv4_loadattr(nd, NULL, &nfsva, NULL,
 			    NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
 			    NULL, NULL, NULL, NULL, NULL, p, cred);
 			if (error)
 				goto nfsmout;
 		}
 		if (ndp != NULL) {
 			if (reclaim != 0 && dp != NULL) {
 				ndp->nfsdl_change = dp->nfsdl_change;
 				ndp->nfsdl_modtime = dp->nfsdl_modtime;
 				ndp->nfsdl_flags |= NFSCLDL_MODTIMESET;
 			} else if (nd->nd_repstat == 0) {
 				ndp->nfsdl_change = nfsva.na_filerev;
 				ndp->nfsdl_modtime = nfsva.na_mtime;
 				ndp->nfsdl_flags |= NFSCLDL_MODTIMESET;
 			} else
 				ndp->nfsdl_flags |= NFSCLDL_RECALL;
 		}
 		nd->nd_repstat = 0;
 		if (!reclaim && (rflags & NFSV4OPEN_RESULTCONFIRM)) {
 		    do {
 			ret = nfsrpc_openconfirm(vp, newfhp, newfhlen, op,
 			    cred, p);
 			if (ret == NFSERR_DELAY)
 			    (void) nfs_catnap(PZERO, ret, "nfs_open");
 		    } while (ret == NFSERR_DELAY);
 		    error = ret;
 		}
 		if ((rflags & NFSV4OPEN_LOCKTYPEPOSIX) ||
 		    nfscl_assumeposixlocks)
 		    op->nfso_posixlock = 1;
 		else
 		    op->nfso_posixlock = 0;
 
 		/*
 		 * If the server is handing out delegations, but we didn't
 		 * get one because an OpenConfirm was required, try the
 		 * Open again, to get a delegation. This is a harmless no-op,
 		 * from a server's point of view.
 		 */
 		if (!reclaim && (rflags & NFSV4OPEN_RESULTCONFIRM) &&
 		    (op->nfso_own->nfsow_clp->nfsc_flags & NFSCLFLAGS_GOTDELEG)
 		    && !error && dp == NULL && ndp == NULL && !recursed) {
 		    do {
 			ret = nfsrpc_openrpc(nmp, vp, nfhp, fhlen, newfhp,
 			    newfhlen, mode, op, name, namelen, &ndp, 0, 0x0,
 			    cred, p, syscred, 1);
 			if (ret == NFSERR_DELAY)
 			    (void) nfs_catnap(PZERO, ret, "nfs_open2");
 		    } while (ret == NFSERR_DELAY);
 		    if (ret) {
 			if (ndp != NULL) {
 				free(ndp, M_NFSCLDELEG);
 				ndp = NULL;
 			}
 			if (ret == NFSERR_STALECLIENTID ||
 			    ret == NFSERR_STALEDONTRECOVER ||
 			    ret == NFSERR_BADSESSION)
 				error = ret;
 		    }
 		}
 	}
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 	if (error == NFSERR_STALECLIENTID)
 		nfscl_initiate_recovery(op->nfso_own->nfsow_clp);
 nfsmout:
 	if (!error)
 		*dpp = ndp;
 	else if (ndp != NULL)
 		free(ndp, M_NFSCLDELEG);
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * open downgrade rpc
  */
 int
 nfsrpc_opendowngrade(vnode_t vp, u_int32_t mode, struct nfsclopen *op,
     struct ucred *cred, NFSPROC_T *p)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error;
 
 	NFSCL_REQSTART(nd, NFSPROC_OPENDOWNGRADE, vp, cred);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID + 3 * NFSX_UNSIGNED);
 	if (NFSHASNFSV4N(VFSTONFS(vp->v_mount)))
 		*tl++ = 0;
 	else
 		*tl++ = op->nfso_stateid.seqid;
 	*tl++ = op->nfso_stateid.other[0];
 	*tl++ = op->nfso_stateid.other[1];
 	*tl++ = op->nfso_stateid.other[2];
 	*tl++ = txdr_unsigned(op->nfso_own->nfsow_seqid);
 	*tl++ = txdr_unsigned(mode & NFSV4OPEN_ACCESSBOTH);
 	*tl = txdr_unsigned((mode >> NFSLCK_SHIFT) & NFSV4OPEN_DENYBOTH);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	NFSCL_INCRSEQID(op->nfso_own->nfsow_seqid, nd);
 	if (!nd->nd_repstat) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
 		op->nfso_stateid.seqid = *tl++;
 		op->nfso_stateid.other[0] = *tl++;
 		op->nfso_stateid.other[1] = *tl++;
 		op->nfso_stateid.other[2] = *tl;
 	}
 	if (nd->nd_repstat && error == 0)
 		error = nd->nd_repstat;
 	if (error == NFSERR_STALESTATEID)
 		nfscl_initiate_recovery(op->nfso_own->nfsow_clp);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * V4 Close operation.
  */
 int
 nfsrpc_close(vnode_t vp, int doclose, NFSPROC_T *p)
 {
 	struct nfsclclient *clp;
 	int error;
 
 	if (vp->v_type != VREG)
 		return (0);
 	if (doclose)
 		error = nfscl_doclose(vp, &clp, p);
 	else {
 		error = nfscl_getclose(vp, &clp);
 		if (error == 0)
 			nfscl_clientrelease(clp);
 	}
 	return (error);
 }
 
 /*
  * Close the open.
  */
 int
 nfsrpc_doclose(struct nfsmount *nmp, struct nfsclopen *op, NFSPROC_T *p,
     bool loop_on_delayed, bool freeop)
 {
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfscllockowner *lp, *nlp;
 	struct nfscllock *lop, *nlop;
 	struct ucred *tcred;
 	u_int64_t off = 0, len = 0;
 	u_int32_t type = NFSV4LOCKT_READ;
 	int error, do_unlock, trycnt;
 	bool own_not_null;
 
 	tcred = newnfs_getcred();
 	newnfs_copycred(&op->nfso_cred, tcred);
 	/*
 	 * (Theoretically this could be done in the same
 	 *  compound as the close, but having multiple
 	 *  sequenced Ops in the same compound might be
 	 *  too scary for some servers.)
 	 */
 	if (op->nfso_posixlock) {
 		off = 0;
 		len = NFS64BITSSET;
 		type = NFSV4LOCKT_READ;
 	}
 
 	/*
 	 * Since this function is only called from VOP_INACTIVE(), no
 	 * other thread will be manipulating this Open. As such, the
 	 * lock lists are not being changed by other threads, so it should
 	 * be safe to do this without locking.
 	 */
 	LIST_FOREACH(lp, &op->nfso_lock, nfsl_list) {
 		do_unlock = 1;
 		LIST_FOREACH_SAFE(lop, &lp->nfsl_lock, nfslo_list, nlop) {
 			if (op->nfso_posixlock == 0) {
 				off = lop->nfslo_first;
 				len = lop->nfslo_end - lop->nfslo_first;
 				if (lop->nfslo_type == F_WRLCK)
 					type = NFSV4LOCKT_WRITE;
 				else
 					type = NFSV4LOCKT_READ;
 			}
 			if (do_unlock) {
 				trycnt = 0;
 				do {
 					error = nfsrpc_locku(nd, nmp, lp, off,
 					    len, type, tcred, p, 0);
 					if ((nd->nd_repstat == NFSERR_GRACE ||
 					    nd->nd_repstat == NFSERR_DELAY) &&
 					    error == 0)
 						(void) nfs_catnap(PZERO,
 						    (int)nd->nd_repstat,
 						    "nfs_close");
 				} while ((nd->nd_repstat == NFSERR_GRACE ||
 				    nd->nd_repstat == NFSERR_DELAY) &&
 				    error == 0 && trycnt++ < 5);
 				if (op->nfso_posixlock)
 					do_unlock = 0;
 			}
 			nfscl_freelock(lop, 0);
 		}
 		/*
 		 * Do a ReleaseLockOwner.
 		 * The lock owner name nfsl_owner may be used by other opens for
 		 * other files but the lock_owner4 name that nfsrpc_rellockown()
 		 * puts on the wire has the file handle for this file appended
 		 * to it, so it can be done now.
 		 */
 		(void)nfsrpc_rellockown(nmp, lp, lp->nfsl_open->nfso_fh,
 		    lp->nfsl_open->nfso_fhlen, tcred, p);
 	}
 
 	/*
 	 * There could be other Opens for different files on the same
 	 * OpenOwner, so locking is required.
 	 */
 	own_not_null = false;
 	if (op->nfso_own != NULL) {
 		own_not_null = true;
 		NFSLOCKCLSTATE();
 		nfscl_lockexcl(&op->nfso_own->nfsow_rwlock, NFSCLSTATEMUTEXPTR);
 		NFSUNLOCKCLSTATE();
 	}
 	do {
 		error = nfscl_tryclose(op, tcred, nmp, p, loop_on_delayed);
 		if (error == NFSERR_GRACE)
 			(void) nfs_catnap(PZERO, error, "nfs_close");
 	} while (error == NFSERR_GRACE);
 	if (own_not_null) {
 		NFSLOCKCLSTATE();
 		nfscl_lockunlock(&op->nfso_own->nfsow_rwlock);
 	}
 
 	LIST_FOREACH_SAFE(lp, &op->nfso_lock, nfsl_list, nlp)
 		nfscl_freelockowner(lp, 0);
 	if (freeop && error != NFSERR_DELAY)
 		nfscl_freeopen(op, 0, true);
 	if (own_not_null)
 		NFSUNLOCKCLSTATE();
 	NFSFREECRED(tcred);
 	return (error);
 }
 
 /*
  * The actual Close RPC.
  */
 int
 nfsrpc_closerpc(struct nfsrv_descript *nd, struct nfsmount *nmp,
     struct nfsclopen *op, struct ucred *cred, NFSPROC_T *p,
     int syscred)
 {
 	u_int32_t *tl;
 	int error;
 
 	nfscl_reqstart(nd, NFSPROC_CLOSE, nmp, op->nfso_fh,
 	    op->nfso_fhlen, NULL, NULL, 0, 0, cred);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_STATEID);
 	if (NFSHASNFSV4N(nmp)) {
 		*tl++ = 0;
 		*tl++ = 0;
 	} else {
 		*tl++ = txdr_unsigned(op->nfso_own->nfsow_seqid);
 		*tl++ = op->nfso_stateid.seqid;
 	}
 	*tl++ = op->nfso_stateid.other[0];
 	*tl++ = op->nfso_stateid.other[1];
 	*tl = op->nfso_stateid.other[2];
 	if (syscred)
 		nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error)
 		return (error);
 	if (!NFSHASNFSV4N(nmp))
 		NFSCL_INCRSEQID(op->nfso_own->nfsow_seqid, nd);
 	if (nd->nd_repstat == 0)
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
 	error = nd->nd_repstat;
 	if (!NFSHASNFSV4N(nmp) && error == NFSERR_STALESTATEID)
 		nfscl_initiate_recovery(op->nfso_own->nfsow_clp);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * V4 Open Confirm RPC.
  */
 int
 nfsrpc_openconfirm(vnode_t vp, u_int8_t *nfhp, int fhlen,
     struct nfsclopen *op, struct ucred *cred, NFSPROC_T *p)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsmount *nmp;
 	int error;
 
 	nmp = VFSTONFS(vp->v_mount);
 	if (NFSHASNFSV4N(nmp))
 		return (0);		/* No confirmation for NFSv4.1. */
 	nfscl_reqstart(nd, NFSPROC_OPENCONFIRM, nmp, nfhp, fhlen, NULL, NULL,
 	    0, 0, NULL);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_STATEID);
 	*tl++ = op->nfso_stateid.seqid;
 	*tl++ = op->nfso_stateid.other[0];
 	*tl++ = op->nfso_stateid.other[1];
 	*tl++ = op->nfso_stateid.other[2];
 	*tl = txdr_unsigned(op->nfso_own->nfsow_seqid);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	NFSCL_INCRSEQID(op->nfso_own->nfsow_seqid, nd);
 	if (!nd->nd_repstat) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
 		op->nfso_stateid.seqid = *tl++;
 		op->nfso_stateid.other[0] = *tl++;
 		op->nfso_stateid.other[1] = *tl++;
 		op->nfso_stateid.other[2] = *tl;
 	}
 	error = nd->nd_repstat;
 	if (error == NFSERR_STALESTATEID)
 		nfscl_initiate_recovery(op->nfso_own->nfsow_clp);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do the setclientid and setclientid confirm RPCs. Called from nfs_statfs()
  * when a mount has just occurred and when the server replies NFSERR_EXPIRED.
  */
 int
 nfsrpc_setclient(struct nfsmount *nmp, struct nfsclclient *clp, int reclaim,
     bool *retokp, struct ucred *cred, NFSPROC_T *p)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	u_int8_t *cp = NULL, *cp2, addr[INET6_ADDRSTRLEN + 9];
 	u_short port;
 	int error, isinet6 = 0, callblen;
 	nfsquad_t confirm;
 	static u_int32_t rev = 0;
 	struct nfsclds *dsp, *odsp;
 	struct in6_addr a6;
 	struct nfsclsession *tsep;
 	struct rpc_reconupcall recon;
 	struct nfscl_reconarg *rcp;
 
 	if (nfsboottime.tv_sec == 0)
 		NFSSETBOOTTIME(nfsboottime);
 	if (NFSHASNFSV4N(nmp)) {
 		error = NFSERR_BADSESSION;
 		odsp = dsp = NULL;
 		if (retokp != NULL) {
 			NFSLOCKMNT(nmp);
 			odsp = TAILQ_FIRST(&nmp->nm_sess);
 			NFSUNLOCKMNT(nmp);
 		}
 		if (odsp != NULL) {
 			/*
 			 * When a session already exists, first try a
 			 * CreateSession with the extant ClientID.
 			 */
 			dsp = malloc(sizeof(struct nfsclds) +
 			    odsp->nfsclds_servownlen + 1, M_NFSCLDS,
 			    M_WAITOK | M_ZERO);
 			dsp->nfsclds_expire = NFSD_MONOSEC + clp->nfsc_renew;
 			dsp->nfsclds_servownlen = odsp->nfsclds_servownlen;
 			dsp->nfsclds_sess.nfsess_clientid =
 			    odsp->nfsclds_sess.nfsess_clientid;
 			dsp->nfsclds_sess.nfsess_sequenceid =
 			    odsp->nfsclds_sess.nfsess_sequenceid + 1;
 			dsp->nfsclds_flags = odsp->nfsclds_flags;
 			if (dsp->nfsclds_servownlen > 0)
 				memcpy(dsp->nfsclds_serverown,
 				    odsp->nfsclds_serverown,
 				    dsp->nfsclds_servownlen + 1);
 			mtx_init(&dsp->nfsclds_mtx, "nfsds", NULL, MTX_DEF);
 			mtx_init(&dsp->nfsclds_sess.nfsess_mtx, "nfssession",
 			    NULL, MTX_DEF);
 			nfscl_initsessionslots(&dsp->nfsclds_sess);
 			error = nfsrpc_createsession(nmp, &dsp->nfsclds_sess,
 			    &nmp->nm_sockreq, NULL,
 			    dsp->nfsclds_sess.nfsess_sequenceid, 1, cred, p);
 			NFSCL_DEBUG(1, "create session for extant "
 			    "ClientID=%d\n", error);
 			if (error != 0) {
 				nfscl_freenfsclds(dsp);
 				dsp = NULL;
 				/*
 				 * If *retokp is true, return any error other
 				 * than NFSERR_STALECLIENTID,
 				 * NFSERR_BADSESSION or NFSERR_STALEDONTRECOVER
 				 * so that nfscl_recover() will not loop.
 				 */
 				if (*retokp)
 					return (NFSERR_IO);
 			} else
 				*retokp = true;
 		} else if (retokp != NULL && *retokp)
 			return (NFSERR_IO);
 		if (error != 0) {
 			/*
 			 * Either there was no previous session or the
 			 * CreateSession attempt failed, so...
 			 * do an ExchangeID followed by the CreateSession.
 			 */
 			clp->nfsc_rev = rev++;
 			error = nfsrpc_exchangeid(nmp, clp, &nmp->nm_sockreq, 0,
 			    NFSV4EXCH_USEPNFSMDS | NFSV4EXCH_USENONPNFS, &dsp,
 			    cred, p);
 			NFSCL_DEBUG(1, "aft exch=%d\n", error);
 			if (error == 0)
 				error = nfsrpc_createsession(nmp,
 				    &dsp->nfsclds_sess, &nmp->nm_sockreq, NULL,
 				    dsp->nfsclds_sess.nfsess_sequenceid, 1,
 				    cred, p);
 			NFSCL_DEBUG(1, "aft createsess=%d\n", error);
 		}
 		if (error == 0) {
 			/*
 			 * If the session supports a backchannel, set up
 			 * the BindConnectionToSession call in the krpc
 			 * so that it is done on a reconnection.
 			 */
 			if (nfscl_enablecallb != 0 && nfs_numnfscbd > 0) {
 				rcp = mem_alloc(sizeof(*rcp));
 				rcp->minorvers = nmp->nm_minorvers;
 				memcpy(rcp->sessionid,
 				    dsp->nfsclds_sess.nfsess_sessionid,
 				    NFSX_V4SESSIONID);
 				recon.call = nfsrpc_bindconnsess;
 				recon.arg = rcp;
 				CLNT_CONTROL(nmp->nm_client, CLSET_RECONUPCALL,
 				    &recon);
 			}
 
 			NFSLOCKMNT(nmp);
 			/*
 			 * The old sessions cannot be safely free'd
 			 * here, since they may still be used by
 			 * in-progress RPCs.
 			 */
 			tsep = NULL;
 			if (TAILQ_FIRST(&nmp->nm_sess) != NULL) {
 				/*
 				 * Mark the old session defunct.  Needed
 				 * when called from nfscl_hasexpired().
 				 */
 				tsep = NFSMNT_MDSSESSION(nmp);
 				tsep->nfsess_defunct = 1;
 			}
 			TAILQ_INSERT_HEAD(&nmp->nm_sess, dsp,
 			    nfsclds_list);
 			/*
 			 * Wake up RPCs waiting for a slot on the
 			 * old session. These will then fail with
 			 * NFSERR_BADSESSION and be retried with the
 			 * new session by nfsv4_setsequence().
 			 * Also wakeup() processes waiting for the
 			 * new session.
 			 */
 			if (tsep != NULL)
 				wakeup(&tsep->nfsess_slots);
 			wakeup(&nmp->nm_sess);
 			NFSUNLOCKMNT(nmp);
 		} else if (dsp != NULL)
 			nfscl_freenfsclds(dsp);
 		if (error == 0 && reclaim == 0) {
 			error = nfsrpc_reclaimcomplete(nmp, cred, p);
 			NFSCL_DEBUG(1, "aft reclaimcomp=%d\n", error);
 			if (error == NFSERR_COMPLETEALREADY ||
 			    error == NFSERR_NOTSUPP)
 				/* Ignore this error. */
 				error = 0;
 		}
 		return (error);
 	} else if (retokp != NULL && *retokp)
 		return (NFSERR_IO);
 	clp->nfsc_rev = rev++;
 
 	/*
 	 * Allocate a single session structure for NFSv4.0, because some of
 	 * the fields are used by NFSv4.0 although it doesn't do a session.
 	 */
 	dsp = malloc(sizeof(struct nfsclds), M_NFSCLDS, M_WAITOK | M_ZERO);
 	mtx_init(&dsp->nfsclds_mtx, "nfsds", NULL, MTX_DEF);
 	mtx_init(&dsp->nfsclds_sess.nfsess_mtx, "nfssession", NULL, MTX_DEF);
 	NFSLOCKMNT(nmp);
 	TAILQ_INSERT_HEAD(&nmp->nm_sess, dsp, nfsclds_list);
 	tsep = NFSMNT_MDSSESSION(nmp);
 	NFSUNLOCKMNT(nmp);
 
 	nfscl_reqstart(nd, NFSPROC_SETCLIENTID, nmp, NULL, 0, NULL, NULL, 0, 0,
 	    NULL);
 	NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(nfsboottime.tv_sec);
 	*tl = txdr_unsigned(clp->nfsc_rev);
 	(void) nfsm_strtom(nd, clp->nfsc_id, clp->nfsc_idlen);
 
 	/*
 	 * set up the callback address
 	 */
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFS_CALLBCKPROG);
 	callblen = strlen(nfsv4_callbackaddr);
 	if (callblen == 0)
 		cp = nfscl_getmyip(nmp, &a6, &isinet6);
 	if (nfscl_enablecallb && nfs_numnfscbd > 0 &&
 	    (callblen > 0 || cp != NULL)) {
 		port = htons(nfsv4_cbport);
 		cp2 = (u_int8_t *)&port;
 #ifdef INET6
 		if ((callblen > 0 &&
 		     strchr(nfsv4_callbackaddr, ':')) || isinet6) {
 			char ip6buf[INET6_ADDRSTRLEN], *ip6add;
 
 			(void) nfsm_strtom(nd, "tcp6", 4);
 			if (callblen == 0) {
 				ip6_sprintf(ip6buf, (struct in6_addr *)cp);
 				ip6add = ip6buf;
 			} else {
 				ip6add = nfsv4_callbackaddr;
 			}
 			snprintf(addr, INET6_ADDRSTRLEN + 9, "%s.%d.%d",
 			    ip6add, cp2[0], cp2[1]);
 		} else
 #endif
 		{
 			(void) nfsm_strtom(nd, "tcp", 3);
 			if (callblen == 0)
 				snprintf(addr, INET6_ADDRSTRLEN + 9,
 				    "%d.%d.%d.%d.%d.%d", cp[0], cp[1],
 				    cp[2], cp[3], cp2[0], cp2[1]);
 			else
 				snprintf(addr, INET6_ADDRSTRLEN + 9,
 				    "%s.%d.%d", nfsv4_callbackaddr,
 				    cp2[0], cp2[1]);
 		}
 		(void) nfsm_strtom(nd, addr, strlen(addr));
 	} else {
 		(void) nfsm_strtom(nd, "tcp", 3);
 		(void) nfsm_strtom(nd, "0.0.0.0.0.0", 11);
 	}
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(clp->nfsc_cbident);
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 		NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error)
 		return (error);
 	if (nd->nd_repstat == 0) {
 	    NFSM_DISSECT(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 	    tsep->nfsess_clientid.lval[0] = *tl++;
 	    tsep->nfsess_clientid.lval[1] = *tl++;
 	    confirm.lval[0] = *tl++;
 	    confirm.lval[1] = *tl;
 	    m_freem(nd->nd_mrep);
 	    nd->nd_mrep = NULL;
 
 	    /*
 	     * and confirm it.
 	     */
 	    nfscl_reqstart(nd, NFSPROC_SETCLIENTIDCFRM, nmp, NULL, 0, NULL,
 		NULL, 0, 0, NULL);
 	    NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 	    *tl++ = tsep->nfsess_clientid.lval[0];
 	    *tl++ = tsep->nfsess_clientid.lval[1];
 	    *tl++ = confirm.lval[0];
 	    *tl = confirm.lval[1];
 	    nd->nd_flag |= ND_USEGSSNAME;
 	    error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p,
 		cred, NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	    if (error)
 		return (error);
 	    m_freem(nd->nd_mrep);
 	    nd->nd_mrep = NULL;
 	}
 	error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs getattr call.
  */
 int
 nfsrpc_getattr(vnode_t vp, struct ucred *cred, NFSPROC_T *p,
     struct nfsvattr *nap)
 {
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error;
 	nfsattrbit_t attrbits;
 	struct nfsnode *np;
 	struct nfsmount *nmp;
 
 	nmp = VFSTONFS(vp->v_mount);
 	np = VTONFS(vp);
 	if ((nmp->nm_privflag & NFSMNTP_FAKEROOTFH) != 0 &&
 	    nmp->nm_fhsize == 0) {
 		/* Attempt to get the actual root file handle. */
 		error = nfsrpc_getdirpath(nmp, NFSMNT_DIRPATH(nmp), cred, p);
 		if (error != 0)
 			return (EACCES);
 		if (np->n_fhp->nfh_len == NFSX_FHMAX + 1)
 			nfscl_statfs(vp, cred, p);
 	}
 	NFSCL_REQSTART(nd, NFSPROC_GETATTR, vp, cred);
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSGETATTR_ATTRBIT(&attrbits);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 	}
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	if (!nd->nd_repstat)
 		error = nfsm_loadattr(nd, nap);
 	else
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs getattr call with non-vnode arguments.
  */
 int
 nfsrpc_getattrnovp(struct nfsmount *nmp, u_int8_t *fhp, int fhlen, int syscred,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, u_int64_t *xidp,
     uint32_t *leasep)
 {
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error, vers = NFS_VER2;
 	nfsattrbit_t attrbits;
 
 	nfscl_reqstart(nd, NFSPROC_GETATTR, nmp, fhp, fhlen, NULL, NULL, 0, 0,
 	    cred);
 	if (nd->nd_flag & ND_NFSV4) {
 		vers = NFS_VER4;
 		NFSGETATTR_ATTRBIT(&attrbits);
 		NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_LEASETIME);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 	} else if (nd->nd_flag & ND_NFSV3) {
 		vers = NFS_VER3;
 	}
 	if (syscred)
 		nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, vers, NULL, 1, xidp, NULL);
 	if (error)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		if ((nd->nd_flag & ND_NFSV4) != 0)
 			error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0,
 			    NULL, NULL, NULL, NULL, NULL, 0, NULL, leasep, NULL,
 			    NULL, NULL, NULL, NULL);
 		else
 			error = nfsm_loadattr(nd, nap);
 	} else
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do an nfs setattr operation.
  */
 int
 nfsrpc_setattr(vnode_t vp, struct vattr *vap, NFSACL_T *aclp,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *rnap, int *attrflagp)
 {
 	int error, expireret = 0, openerr, retrycnt;
 	u_int32_t clidrev = 0, mode;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsfh *nfhp;
 	nfsv4stateid_t stateid;
 	void *lckp;
 
 	if (nmp->nm_clp != NULL)
 		clidrev = nmp->nm_clp->nfsc_clientidrev;
 	if (vap != NULL && NFSATTRISSET(u_quad_t, vap, va_size))
 		mode = NFSV4OPEN_ACCESSWRITE;
 	else
 		mode = NFSV4OPEN_ACCESSREAD;
 	retrycnt = 0;
 	do {
 		lckp = NULL;
 		openerr = 1;
 		if (NFSHASNFSV4(nmp)) {
 			nfhp = VTONFS(vp)->n_fhp;
 			error = nfscl_getstateid(vp, nfhp->nfh_fh,
 			    nfhp->nfh_len, mode, 0, cred, p, &stateid, &lckp);
 			if (error && vp->v_type == VREG &&
 			    (mode == NFSV4OPEN_ACCESSWRITE ||
 			     nfstest_openallsetattr)) {
 				/*
 				 * No Open stateid, so try and open the file
 				 * now.
 				 */
 				if (mode == NFSV4OPEN_ACCESSWRITE)
 					openerr = nfsrpc_open(vp, FWRITE, cred,
 					    p);
 				else
 					openerr = nfsrpc_open(vp, FREAD, cred,
 					    p);
 				if (!openerr)
 					(void) nfscl_getstateid(vp,
 					    nfhp->nfh_fh, nfhp->nfh_len,
 					    mode, 0, cred, p, &stateid, &lckp);
 			}
 		}
 		if (vap != NULL)
 			error = nfsrpc_setattrrpc(vp, vap, &stateid, cred, p,
 			    rnap, attrflagp);
 		else
 			error = nfsrpc_setaclrpc(vp, cred, p, aclp, &stateid);
 		if (error == NFSERR_OPENMODE && mode == NFSV4OPEN_ACCESSREAD) {
 			NFSLOCKMNT(nmp);
 			nmp->nm_state |= NFSSTA_OPENMODE;
 			NFSUNLOCKMNT(nmp);
 		}
 		if (error == NFSERR_STALESTATEID)
 			nfscl_initiate_recovery(nmp->nm_clp);
 		if (lckp != NULL)
 			nfscl_lockderef(lckp);
 		if (!openerr)
 			(void) nfsrpc_close(vp, 0, p);
 		if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 		    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		    error == NFSERR_OLDSTATEID || error == NFSERR_BADSESSION) {
 			(void) nfs_catnap(PZERO, error, "nfs_setattr");
 		} else if ((error == NFSERR_EXPIRED ||
 		    ((!NFSHASINT(nmp) || !NFSHASNFSV4N(nmp)) &&
 		    error == NFSERR_BADSTATEID)) && clidrev != 0) {
 			expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
 		} else if (error == NFSERR_BADSTATEID && NFSHASINT(nmp) &&
 		    NFSHASNFSV4N(nmp)) {
 			error = EIO;
 		}
 		retrycnt++;
 	} while (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 	    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 	    error == NFSERR_BADSESSION ||
 	    (error == NFSERR_OLDSTATEID && retrycnt < 20) ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4) ||
 	    (error == NFSERR_OPENMODE && mode == NFSV4OPEN_ACCESSREAD &&
 	     retrycnt < 4));
 	if (error && retrycnt >= 4)
 		error = EIO;
 	return (error);
 }
 
 static int
 nfsrpc_setattrrpc(vnode_t vp, struct vattr *vap,
     nfsv4stateid_t *stateidp, struct ucred *cred, NFSPROC_T *p,
     struct nfsvattr *rnap, int *attrflagp)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error;
 	nfsattrbit_t attrbits;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_SETATTR, vp, cred);
 	if (nd->nd_flag & ND_NFSV4)
 		nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 	vap->va_type = vp->v_type;
 	nfscl_fillsattr(nd, vap, vp, NFSSATTR_FULL, 0);
 	if (nd->nd_flag & ND_NFSV3) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = newnfs_false;
 	} else if (nd->nd_flag & ND_NFSV4) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		NFSGETATTR_ATTRBIT(&attrbits);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 	}
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4))
 		error = nfscl_wcc_data(nd, vp, rnap, attrflagp, NULL, NULL);
 	if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4 && !error)
 		error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 	if (!(nd->nd_flag & ND_NFSV3) && !nd->nd_repstat && !error)
 		error = nfscl_postop_attr(nd, rnap, attrflagp);
 	m_freem(nd->nd_mrep);
 	if (nd->nd_repstat && !error)
 		error = nd->nd_repstat;
 	return (error);
 }
 
 /*
  * nfs lookup rpc
  */
 int
 nfsrpc_lookup(vnode_t dvp, char *name, int len, struct ucred *cred,
     NFSPROC_T *p, struct nfsvattr *dnap, struct nfsvattr *nap,
     struct nfsfh **nfhpp, int *attrflagp, int *dattrflagp, uint32_t openmode)
 {
 	uint32_t deleg, rflags, *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsmount *nmp;
 	struct nfsnode *np;
 	struct nfsfh *nfhp;
 	nfsattrbit_t attrbits;
 	int error = 0, lookupp = 0, newone, ret, retop;
 	uint8_t own[NFSV4CL_LOCKNAMELEN];
 	struct nfsclopen *op;
 	struct nfscldeleg *ndp;
 	nfsv4stateid_t stateid;
 
 	*attrflagp = 0;
 	*dattrflagp = 0;
 	if (dvp->v_type != VDIR)
 		return (ENOTDIR);
 	nmp = VFSTONFS(dvp->v_mount);
 	if (len > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	if (NFSHASNFSV4(nmp) && len == 1 &&
 		name[0] == '.') {
 		/*
 		 * Just return the current dir's fh.
 		 */
 		np = VTONFS(dvp);
 		nfhp = malloc(sizeof (struct nfsfh) +
 			np->n_fhp->nfh_len, M_NFSFH, M_WAITOK);
 		nfhp->nfh_len = np->n_fhp->nfh_len;
 		NFSBCOPY(np->n_fhp->nfh_fh, nfhp->nfh_fh, nfhp->nfh_len);
 		*nfhpp = nfhp;
 		return (0);
 	}
 	if (NFSHASNFSV4(nmp) && len == 2 &&
 		name[0] == '.' && name[1] == '.') {
 		lookupp = 1;
 		openmode = 0;
 		NFSCL_REQSTART(nd, NFSPROC_LOOKUPP, dvp, cred);
 	} else if (openmode != 0) {
 		NFSCL_REQSTART(nd, NFSPROC_LOOKUPOPEN, dvp, cred);
 		nfsm_strtom(nd, name, len);
 	} else {
 		NFSCL_REQSTART(nd, NFSPROC_LOOKUP, dvp, cred);
 		(void) nfsm_strtom(nd, name, len);
 	}
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSGETATTR_ATTRBIT(&attrbits);
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(NFSV4OP_GETFH);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 		if (openmode != 0) {
 			/* Test for a VREG file. */
 			NFSZERO_ATTRBIT(&attrbits);
 			NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TYPE);
 			NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(NFSV4OP_VERIFY);
 			nfsrv_putattrbit(nd, &attrbits);
 			NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(NFSX_UNSIGNED);
 			*tl = vtonfsv34_type(VREG);
 
 			/* Attempt the Open for VREG. */
 			nfscl_filllockowner(NULL, own, F_POSIX);
 			NFSM_BUILD(tl, uint32_t *, 6 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(NFSV4OP_OPEN);
 			*tl++ = 0;		/* seqid, ignored. */
 			*tl++ = txdr_unsigned(openmode | NFSV4OPEN_WANTNODELEG);
 			*tl++ = txdr_unsigned(NFSV4OPEN_DENYNONE);
 			*tl++ = 0;		/* ClientID, ignored. */
 			*tl = 0;
 			nfsm_strtom(nd, own, NFSV4CL_LOCKNAMELEN);
 			NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(NFSV4OPEN_NOCREATE);
 			*tl = txdr_unsigned(NFSV4OPEN_CLAIMFH);
 		}
 	}
 	error = nfscl_request(nd, dvp, p, cred);
 	if (error)
 		return (error);
 	ndp = NULL;
 	if (nd->nd_repstat) {
 		/*
 		 * When an NFSv4 Lookupp returns ENOENT, it means that
 		 * the lookup is at the root of an fs, so return this dir.
 		 */
 		if (nd->nd_repstat == NFSERR_NOENT && lookupp) {
 		    np = VTONFS(dvp);
 		    nfhp = malloc(sizeof (struct nfsfh) +
 			np->n_fhp->nfh_len, M_NFSFH, M_WAITOK);
 		    nfhp->nfh_len = np->n_fhp->nfh_len;
 		    NFSBCOPY(np->n_fhp->nfh_fh, nfhp->nfh_fh, nfhp->nfh_len);
 		    *nfhpp = nfhp;
 		    m_freem(nd->nd_mrep);
 		    return (0);
 		}
 		if (nd->nd_flag & ND_NFSV3)
 		    error = nfscl_postop_attr(nd, dnap, dattrflagp);
 		else if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) ==
 		    ND_NFSV4) {
 			/* Load the directory attributes. */
 			error = nfsm_loadattr(nd, dnap);
 			if (error != 0)
 				goto nfsmout;
 			*dattrflagp = 1;
 		}
 		/* Check Lookup operation reply status. */
 		if (openmode != 0 && (nd->nd_flag & ND_NOMOREDATA) == 0) {
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (*++tl != 0)
 				goto nfsmout;
 		}
 		/* Look for GetFH reply. */
 		if (openmode != 0 && (nd->nd_flag & ND_NOMOREDATA) == 0) {
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (*++tl != 0)
 				goto nfsmout;
 			error = nfsm_getfh(nd, nfhpp);
 			if (error)
 				goto nfsmout;
 		}
 		/* Look for Getattr reply. */
 		if (openmode != 0 && (nd->nd_flag & ND_NOMOREDATA) == 0) {
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (*++tl != 0)
 				goto nfsmout;
 			error = nfsm_loadattr(nd, nap);
 			if (error == 0) {
 				/*
 				 * We have now successfully completed the
 				 * lookup, so set nd_repstat to 0.
 				 */
 				nd->nd_repstat = 0;
 				*attrflagp = 1;
 			}
 		}
 		goto nfsmout;
 	}
 	if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4) {
 		/* Load the directory attributes. */
 		error = nfsm_loadattr(nd, dnap);
 		if (error != 0)
 			goto nfsmout;
 		*dattrflagp = 1;
 		/* Skip over the Lookup and GetFH operation status values. */
 		NFSM_DISSECT(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 	}
 	error = nfsm_getfh(nd, nfhpp);
 	if (error)
 		goto nfsmout;
 
 	error = nfscl_postop_attr(nd, nap, attrflagp);
 	if (openmode != 0 && error == 0) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID +
 		    10 * NFSX_UNSIGNED);
 		tl += 4;	/* Skip over Verify+Open status. */
 		stateid.seqid = *tl++;
 		stateid.other[0] = *tl++;
 		stateid.other[1] = *tl++;
 		stateid.other[2] = *tl;
 		rflags = fxdr_unsigned(uint32_t, *(tl + 6));
 		error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 		if (error != 0)
 			goto nfsmout;
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		deleg = fxdr_unsigned(uint32_t, *tl);
 		if (deleg == NFSV4OPEN_DELEGATEREAD ||
 		    deleg == NFSV4OPEN_DELEGATEWRITE) {
 			/*
 			 * Just need to fill in the fields used by
 			 * nfscl_trydelegreturn().
 			 * Mark the mount point as acquiring
 			 * delegations, so NFSPROC_LOOKUPOPEN will
 			 * no longer be done.
 			 */
 			NFSLOCKMNT(nmp);
 			nmp->nm_privflag |= NFSMNTP_DELEGISSUED;
 			NFSUNLOCKMNT(nmp);
 			ndp = malloc(sizeof(struct nfscldeleg) +
 			    (*nfhpp)->nfh_len, M_NFSCLDELEG, M_WAITOK);
 			ndp->nfsdl_fhlen = (*nfhpp)->nfh_len;
 			NFSBCOPY((*nfhpp)->nfh_fh, ndp->nfsdl_fh,
 			    ndp->nfsdl_fhlen);
 			newnfs_copyincred(cred, &ndp->nfsdl_cred);
 			NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID);
 			ndp->nfsdl_stateid.seqid = *tl++;
 			ndp->nfsdl_stateid.other[0] = *tl++;
 			ndp->nfsdl_stateid.other[1] = *tl++;
 			ndp->nfsdl_stateid.other[2] = *tl++;
 		} else if (deleg == NFSV4OPEN_DELEGATENONEEXT &&
 		    NFSHASNFSV4N(nmp)) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			deleg = fxdr_unsigned(uint32_t, *tl);
 			if (deleg == NFSV4OPEN_CONTENTION ||
 			    deleg == NFSV4OPEN_RESOURCE)
 				NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		} else if (deleg != NFSV4OPEN_DELEGATENONE) {
 			error = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 		ret = nfscl_open(dvp, (*nfhpp)->nfh_fh, (*nfhpp)->nfh_len,
 		    openmode, 0, cred, p, NULL, &op, &newone, &retop, 1, true);
 		if (ret != 0)
 			goto nfsmout;
 		if (newone != 0) {
 			op->nfso_stateid.seqid = stateid.seqid;
 			op->nfso_stateid.other[0] = stateid.other[0];
 			op->nfso_stateid.other[1] = stateid.other[1];
 			op->nfso_stateid.other[2] = stateid.other[2];
 			op->nfso_mode = openmode;
 		} else {
 			op->nfso_stateid.seqid = stateid.seqid;
 			if (retop == NFSCLOPEN_DOOPEN)
 				op->nfso_mode |= openmode;
 		}
 		if ((rflags & NFSV4OPEN_LOCKTYPEPOSIX) != 0 ||
 		    nfscl_assumeposixlocks)
 			op->nfso_posixlock = 1;
 		else
 			op->nfso_posixlock = 0;
 		nfscl_openrelease(nmp, op, 0, 0);
 		if (ndp != NULL) {
 			/*
 			 * Since we do not have the vnode, we
 			 * cannot invalidate cached attributes.
 			 * Just return the delegation.
 			 */
 			nfscl_trydelegreturn(ndp, cred, nmp, p);
 		}
 	}
 	if ((nd->nd_flag & ND_NFSV3) && !error)
 		error = nfscl_postop_attr(nd, dnap, dattrflagp);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	if (!error && nd->nd_repstat)
 		error = nd->nd_repstat;
 	free(ndp, M_NFSCLDELEG);
 	return (error);
 }
 
 /*
  * Do a readlink rpc.
  */
 int
 nfsrpc_readlink(vnode_t vp, struct uio *uiop, struct ucred *cred,
     NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsnode *np = VTONFS(vp);
 	nfsattrbit_t attrbits;
 	int error, len, cangetattr = 1;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_READLINK, vp, cred);
 	if (nd->nd_flag & ND_NFSV4) {
 		/*
 		 * And do a Getattr op.
 		 */
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		NFSGETATTR_ATTRBIT(&attrbits);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 	}
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_flag & ND_NFSV3)
 		error = nfscl_postop_attr(nd, nap, attrflagp);
 	if (!nd->nd_repstat && !error) {
 		NFSM_STRSIZ(len, NFS_MAXPATHLEN);
 		/*
 		 * This seems weird to me, but must have been added to
 		 * FreeBSD for some reason. The only thing I can think of
 		 * is that there was/is some server that replies with
 		 * more link data than it should?
 		 */
 		if (len == NFS_MAXPATHLEN) {
 			NFSLOCKNODE(np);
 			if (np->n_size > 0 && np->n_size < NFS_MAXPATHLEN) {
 				len = np->n_size;
 				cangetattr = 0;
 			}
 			NFSUNLOCKNODE(np);
 		}
 		error = nfsm_mbufuio(nd, uiop, len);
 		if ((nd->nd_flag & ND_NFSV4) && !error && cangetattr)
 			error = nfscl_postop_attr(nd, nap, attrflagp);
 	}
 	if (nd->nd_repstat && !error)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Read operation.
  */
 int
 nfsrpc_read(vnode_t vp, struct uio *uiop, struct ucred *cred,
     NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp)
 {
 	int error, expireret = 0, retrycnt;
 	u_int32_t clidrev = 0;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsnode *np = VTONFS(vp);
 	struct ucred *newcred;
 	struct nfsfh *nfhp = NULL;
 	nfsv4stateid_t stateid;
 	void *lckp;
 
 	if (nmp->nm_clp != NULL)
 		clidrev = nmp->nm_clp->nfsc_clientidrev;
 	newcred = cred;
 	if (NFSHASNFSV4(nmp)) {
 		nfhp = np->n_fhp;
 		newcred = NFSNEWCRED(cred);
 	}
 	retrycnt = 0;
 	do {
 		lckp = NULL;
 		if (NFSHASNFSV4(nmp))
 			(void)nfscl_getstateid(vp, nfhp->nfh_fh, nfhp->nfh_len,
 			    NFSV4OPEN_ACCESSREAD, 0, newcred, p, &stateid,
 			    &lckp);
 		error = nfsrpc_readrpc(vp, uiop, newcred, &stateid, p, nap,
 		    attrflagp);
 		if (error == NFSERR_OPENMODE) {
 			NFSLOCKMNT(nmp);
 			nmp->nm_state |= NFSSTA_OPENMODE;
 			NFSUNLOCKMNT(nmp);
 		}
 		if (error == NFSERR_STALESTATEID)
 			nfscl_initiate_recovery(nmp->nm_clp);
 		if (lckp != NULL)
 			nfscl_lockderef(lckp);
 		if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 		    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		    error == NFSERR_OLDSTATEID || error == NFSERR_BADSESSION) {
 			(void) nfs_catnap(PZERO, error, "nfs_read");
 		} else if ((error == NFSERR_EXPIRED ||
 		    ((!NFSHASINT(nmp) || !NFSHASNFSV4N(nmp)) &&
 		    error == NFSERR_BADSTATEID)) && clidrev != 0) {
 			expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
 		} else if (error == NFSERR_BADSTATEID && NFSHASINT(nmp) &&
 		    NFSHASNFSV4N(nmp)) {
 			error = EIO;
 		}
 		retrycnt++;
 	} while (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 	    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 	    error == NFSERR_BADSESSION ||
 	    (error == NFSERR_OLDSTATEID && retrycnt < 20) ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4) ||
 	    (error == NFSERR_OPENMODE && retrycnt < 4));
 	if (error && retrycnt >= 4)
 		error = EIO;
 	if (NFSHASNFSV4(nmp))
 		NFSFREECRED(newcred);
 	return (error);
 }
 
 /*
  * The actual read RPC.
  */
 static int
 nfsrpc_readrpc(vnode_t vp, struct uio *uiop, struct ucred *cred,
     nfsv4stateid_t *stateidp, NFSPROC_T *p, struct nfsvattr *nap,
     int *attrflagp)
 {
 	u_int32_t *tl;
 	int error = 0, len, retlen, tsiz, eof = 0;
 	struct nfsrv_descript nfsd;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsrv_descript *nd = &nfsd;
 	int rsize;
 	off_t tmp_off;
 
 	*attrflagp = 0;
 	tsiz = uiop->uio_resid;
 	tmp_off = uiop->uio_offset + tsiz;
 	NFSLOCKMNT(nmp);
 	if (tmp_off > nmp->nm_maxfilesize || tmp_off < uiop->uio_offset) {
 		NFSUNLOCKMNT(nmp);
 		return (EFBIG);
 	}
 	rsize = nmp->nm_rsize;
 	NFSUNLOCKMNT(nmp);
 	nd->nd_mrep = NULL;
 	while (tsiz > 0) {
 		*attrflagp = 0;
 		len = (tsiz > rsize) ? rsize : tsiz;
 		NFSCL_REQSTART(nd, NFSPROC_READ, vp, cred);
 		if (nd->nd_flag & ND_NFSV4)
 			nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED * 3);
 		if (nd->nd_flag & ND_NFSV2) {
 			*tl++ = txdr_unsigned(uiop->uio_offset);
 			*tl++ = txdr_unsigned(len);
 			*tl = 0;
 		} else {
 			txdr_hyper(uiop->uio_offset, tl);
 			*(tl + 2) = txdr_unsigned(len);
 		}
 		/*
 		 * Since I can't do a Getattr for NFSv4 for Write, there
 		 * doesn't seem any point in doing one here, either.
 		 * (See the comment in nfsrpc_writerpc() for more info.)
 		 */
 		error = nfscl_request(nd, vp, p, cred);
 		if (error)
 			return (error);
 		if (nd->nd_flag & ND_NFSV3) {
 			error = nfscl_postop_attr(nd, nap, attrflagp);
 		} else if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV2)) {
 			error = nfsm_loadattr(nd, nap);
 			if (!error)
 				*attrflagp = 1;
 		}
 		if (nd->nd_repstat || error) {
 			if (!error)
 				error = nd->nd_repstat;
 			goto nfsmout;
 		}
 		if (nd->nd_flag & ND_NFSV3) {
 			NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			eof = fxdr_unsigned(int, *(tl + 1));
 		} else if (nd->nd_flag & ND_NFSV4) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			eof = fxdr_unsigned(int, *tl);
 		}
 		NFSM_STRSIZ(retlen, len);
 		error = nfsm_mbufuio(nd, uiop, retlen);
 		if (error)
 			goto nfsmout;
 		m_freem(nd->nd_mrep);
 		nd->nd_mrep = NULL;
 		tsiz -= retlen;
 		if (!(nd->nd_flag & ND_NFSV2)) {
 			if (eof || retlen == 0)
 				tsiz = 0;
 		} else if (retlen < len)
 			tsiz = 0;
 	}
 	return (0);
 nfsmout:
 	if (nd->nd_mrep != NULL)
 		m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs write operation
  * When called_from_strategy != 0, it should return EIO for an error that
  * indicates recovery is in progress, so that the buffer will be left
  * dirty and be written back to the server later. If it loops around,
  * the recovery thread could get stuck waiting for the buffer and recovery
  * will then deadlock.
  */
 int
 nfsrpc_write(vnode_t vp, struct uio *uiop, int *iomode, int *must_commit,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp,
     int called_from_strategy, int ioflag)
 {
 	int error, expireret = 0, retrycnt, nostateid;
 	u_int32_t clidrev = 0;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsnode *np = VTONFS(vp);
 	struct ucred *newcred;
 	struct nfsfh *nfhp = NULL;
 	nfsv4stateid_t stateid;
 	void *lckp;
 
 	KASSERT(*must_commit >= 0 && *must_commit <= 2,
 	    ("nfsrpc_write: must_commit out of range=%d", *must_commit));
 	if (nmp->nm_clp != NULL)
 		clidrev = nmp->nm_clp->nfsc_clientidrev;
 	newcred = cred;
 	if (NFSHASNFSV4(nmp)) {
 		newcred = NFSNEWCRED(cred);
 		nfhp = np->n_fhp;
 	}
 	retrycnt = 0;
 	do {
 		lckp = NULL;
 		nostateid = 0;
 		if (NFSHASNFSV4(nmp)) {
 			(void)nfscl_getstateid(vp, nfhp->nfh_fh, nfhp->nfh_len,
 			    NFSV4OPEN_ACCESSWRITE, 0, newcred, p, &stateid,
 			    &lckp);
 			if (stateid.other[0] == 0 && stateid.other[1] == 0 &&
 			    stateid.other[2] == 0) {
 				nostateid = 1;
 				NFSCL_DEBUG(1, "stateid0 in write\n");
 			}
 		}
 
 		/*
 		 * If there is no stateid for NFSv4, it means this is an
 		 * extraneous write after close. Basically a poorly
 		 * implemented buffer cache. Just don't do the write.
 		 */
 		if (nostateid)
 			error = 0;
 		else
 			error = nfsrpc_writerpc(vp, uiop, iomode, must_commit,
 			    newcred, &stateid, p, nap, attrflagp, ioflag);
 		if (error == NFSERR_STALESTATEID)
 			nfscl_initiate_recovery(nmp->nm_clp);
 		if (lckp != NULL)
 			nfscl_lockderef(lckp);
 		if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 		    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		    error == NFSERR_OLDSTATEID || error == NFSERR_BADSESSION) {
 			(void) nfs_catnap(PZERO, error, "nfs_write");
 		} else if ((error == NFSERR_EXPIRED ||
 		    ((!NFSHASINT(nmp) || !NFSHASNFSV4N(nmp)) &&
 		    error == NFSERR_BADSTATEID)) && clidrev != 0) {
 			expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
 		} else if (error == NFSERR_BADSTATEID && NFSHASINT(nmp) &&
 		    NFSHASNFSV4N(nmp)) {
 			error = EIO;
 		}
 		retrycnt++;
 	} while (error == NFSERR_GRACE || error == NFSERR_DELAY ||
 	    ((error == NFSERR_STALESTATEID || error == NFSERR_BADSESSION ||
 	      error == NFSERR_STALEDONTRECOVER) && called_from_strategy == 0) ||
 	    (error == NFSERR_OLDSTATEID && retrycnt < 20) ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4));
 	if (error != 0 && (retrycnt >= 4 ||
 	    ((error == NFSERR_STALESTATEID || error == NFSERR_BADSESSION ||
 	      error == NFSERR_STALEDONTRECOVER) && called_from_strategy != 0)))
 		error = EIO;
 	if (NFSHASNFSV4(nmp))
 		NFSFREECRED(newcred);
 	return (error);
 }
 
 /*
  * The actual write RPC.
  */
 static int
 nfsrpc_writerpc(vnode_t vp, struct uio *uiop, int *iomode,
     int *must_commit, struct ucred *cred, nfsv4stateid_t *stateidp,
     NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp, int ioflag)
 {
 	u_int32_t *tl;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsnode *np = VTONFS(vp);
 	int error = 0, len, rlen, commit, committed = NFSWRITE_FILESYNC;
 	int wccflag = 0;
 	int32_t backup;
 	struct nfsrv_descript *nd;
 	nfsattrbit_t attrbits;
 	uint64_t tmp_off;
 	ssize_t tsiz, wsize;
 	bool do_append;
 
 	KASSERT(uiop->uio_iovcnt == 1, ("nfs: writerpc iovcnt > 1"));
 	*attrflagp = 0;
 	tsiz = uiop->uio_resid;
 	tmp_off = uiop->uio_offset + tsiz;
 	NFSLOCKMNT(nmp);
 	if (tmp_off > nmp->nm_maxfilesize || tmp_off < uiop->uio_offset) {
 		NFSUNLOCKMNT(nmp);
 		return (EFBIG);
 	}
 	wsize = nmp->nm_wsize;
 	do_append = false;
 	if ((ioflag & IO_APPEND) != 0 && NFSHASNFSV4(nmp) && !NFSHASPNFS(nmp))
 		do_append = true;
 	NFSUNLOCKMNT(nmp);
 	nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK);
 	nd->nd_mrep = NULL;	/* NFSv2 sometimes does a write with */
 	nd->nd_repstat = 0;	/* uio_resid == 0, so the while is not done */
 	while (tsiz > 0) {
 		*attrflagp = 0;
 		len = (tsiz > wsize) ? wsize : tsiz;
 		if (do_append)
 			NFSCL_REQSTART(nd, NFSPROC_APPENDWRITE, vp, cred);
 		else
 			NFSCL_REQSTART(nd, NFSPROC_WRITE, vp, cred);
 		if (nd->nd_flag & ND_NFSV4) {
 			if (do_append) {
 				NFSZERO_ATTRBIT(&attrbits);
 				NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SIZE);
 				nfsrv_putattrbit(nd, &attrbits);
 				NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED +
 				    NFSX_HYPER);
 				*tl++ = txdr_unsigned(NFSX_HYPER);
 				txdr_hyper(uiop->uio_offset, tl); tl += 2;
 				*tl = txdr_unsigned(NFSV4OP_WRITE);
 			}
 			nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_HYPER+2*NFSX_UNSIGNED);
 			txdr_hyper(uiop->uio_offset, tl);
 			tl += 2;
 			*tl++ = txdr_unsigned(*iomode);
 			*tl = txdr_unsigned(len);
 		} else if (nd->nd_flag & ND_NFSV3) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_HYPER+3*NFSX_UNSIGNED);
 			txdr_hyper(uiop->uio_offset, tl);
 			tl += 2;
 			*tl++ = txdr_unsigned(len);
 			*tl++ = txdr_unsigned(*iomode);
 			*tl = txdr_unsigned(len);
 		} else {
 			u_int32_t x;
 
 			NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 			/*
 			 * Not sure why someone changed this, since the
 			 * RFC clearly states that "beginoffset" and
 			 * "totalcount" are ignored, but it wouldn't
 			 * surprise me if there's a busted server out there.
 			 */
 			/* Set both "begin" and "current" to non-garbage. */
 			x = txdr_unsigned((u_int32_t)uiop->uio_offset);
 			*tl++ = x;      /* "begin offset" */
 			*tl++ = x;      /* "current offset" */
 			x = txdr_unsigned(len);
 			*tl++ = x;      /* total to this offset */
 			*tl = x;        /* size of this write */
 		}
 		error = nfsm_uiombuf(nd, uiop, len);
 		if (error != 0) {
 			m_freem(nd->nd_mreq);
 			free(nd, M_TEMP);
 			return (error);
 		}
 		/*
 		 * Although it is tempting to do a normal Getattr Op in the
 		 * NFSv4 compound, the result can be a nearly hung client
 		 * system if the Getattr asks for Owner and/or OwnerGroup.
 		 * It occurs when the client can't map either the Owner or
 		 * Owner_group name in the Getattr reply to a uid/gid. When
 		 * there is a cache miss, the kernel does an upcall to the
 		 * nfsuserd. Then, it can try and read the local /etc/passwd
 		 * or /etc/group file. It can then block in getnewbuf(),
 		 * waiting for dirty writes to be pushed to the NFS server.
 		 * The only reason this doesn't result in a complete
 		 * deadlock, is that the upcall times out and allows
 		 * the write to complete. However, progress is so slow
 		 * that it might just as well be deadlocked.
 		 * As such, we get the rest of the attributes, but not
 		 * Owner or Owner_group.
 		 * nb: nfscl_loadattrcache() needs to be told that these
 		 *     partial attributes from a write rpc are being
 		 *     passed in, via a argument flag.
 		 */
 		if (nd->nd_flag & ND_NFSV4) {
 			NFSWRITEGETATTR_ATTRBIT(&attrbits);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(NFSV4OP_GETATTR);
 			(void) nfsrv_putattrbit(nd, &attrbits);
 		}
 		error = nfscl_request(nd, vp, p, cred);
 		if (error) {
 			free(nd, M_TEMP);
 			return (error);
 		}
 		if (nd->nd_repstat) {
 			/*
 			 * In case the rpc gets retried, roll
 			 * the uio fields changed by nfsm_uiombuf()
 			 * back.
 			 */
 			uiop->uio_offset -= len;
 			uiop->uio_resid += len;
 			uiop->uio_iov->iov_base =
 			    (char *)uiop->uio_iov->iov_base - len;
 			uiop->uio_iov->iov_len += len;
 		}
 		if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
 			error = nfscl_wcc_data(nd, vp, nap, attrflagp,
 			    &wccflag, &tmp_off);
 			if (error)
 				goto nfsmout;
 		}
 		if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) ==
 		    (ND_NFSV4 | ND_NOMOREDATA) &&
 		    nd->nd_repstat == NFSERR_NOTSAME && do_append) {
 			/*
 			 * Verify of the file's size failed, so redo the
 			 * write using the file's size as returned in
 			 * the wcc attributes.
 			 */
 			if (tmp_off + tsiz <= nmp->nm_maxfilesize) {
 				do_append = false;
 				uiop->uio_offset = tmp_off;
 				m_freem(nd->nd_mrep);
 				nd->nd_mrep = NULL;
 				continue;
 			} else
 				nd->nd_repstat = EFBIG;
 		}
 		if (!nd->nd_repstat) {
 			if (do_append) {
 				/* Strip off the Write reply status. */
 				do_append = false;
 				NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			}
 			if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
 				NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED
 					+ NFSX_VERF);
 				rlen = fxdr_unsigned(int, *tl++);
 				if (rlen == 0) {
 					error = NFSERR_IO;
 					goto nfsmout;
 				} else if (rlen < len) {
 					backup = len - rlen;
 					uiop->uio_iov->iov_base =
 					    (char *)uiop->uio_iov->iov_base -
 					    backup;
 					uiop->uio_iov->iov_len += backup;
 					uiop->uio_offset -= backup;
 					uiop->uio_resid += backup;
 					len = rlen;
 				}
 				commit = fxdr_unsigned(int, *tl++);
 
 				/*
 				 * Return the lowest commitment level
 				 * obtained by any of the RPCs.
 				 */
 				if (committed == NFSWRITE_FILESYNC)
 					committed = commit;
 				else if (committed == NFSWRITE_DATASYNC &&
 					commit == NFSWRITE_UNSTABLE)
 					committed = commit;
 				NFSLOCKMNT(nmp);
 				if (!NFSHASWRITEVERF(nmp)) {
 					NFSBCOPY((caddr_t)tl,
 					    (caddr_t)&nmp->nm_verf[0],
 					    NFSX_VERF);
 					NFSSETWRITEVERF(nmp);
 	    			} else if (NFSBCMP(tl, nmp->nm_verf,
 				    NFSX_VERF) && *must_commit != 2) {
 					*must_commit = 1;
 					NFSBCOPY(tl, nmp->nm_verf, NFSX_VERF);
 				}
 				NFSUNLOCKMNT(nmp);
 			}
 			if (nd->nd_flag & ND_NFSV4)
 				NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			if (nd->nd_flag & (ND_NFSV2 | ND_NFSV4)) {
 				error = nfsm_loadattr(nd, nap);
 				if (!error)
 					*attrflagp = NFS_LATTR_NOSHRINK;
 			}
 		} else {
 			error = nd->nd_repstat;
 		}
 		if (error)
 			goto nfsmout;
 		NFSWRITERPC_SETTIME(wccflag, np, nap, (nd->nd_flag & ND_NFSV4));
 		m_freem(nd->nd_mrep);
 		nd->nd_mrep = NULL;
 		tsiz -= len;
 	}
 nfsmout:
 	if (nd->nd_mrep != NULL)
 		m_freem(nd->nd_mrep);
 	*iomode = committed;
 	if (nd->nd_repstat && !error)
 		error = nd->nd_repstat;
 	free(nd, M_TEMP);
 	return (error);
 }
 
 /*
  * Do an nfs deallocate operation.
  */
 int
 nfsrpc_deallocate(vnode_t vp, off_t offs, off_t len, struct nfsvattr *nap,
     int *attrflagp, struct ucred *cred, NFSPROC_T *p)
 {
 	int error, expireret = 0, openerr, retrycnt;
 	uint32_t clidrev = 0;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsfh *nfhp;
 	nfsv4stateid_t stateid;
 	void *lckp;
 
 	if (nmp->nm_clp != NULL)
 		clidrev = nmp->nm_clp->nfsc_clientidrev;
 	retrycnt = 0;
 	do {
 		lckp = NULL;
 		openerr = 1;
 		nfhp = VTONFS(vp)->n_fhp;
 		error = nfscl_getstateid(vp, nfhp->nfh_fh, nfhp->nfh_len,
 		    NFSV4OPEN_ACCESSWRITE, 0, cred, p, &stateid, &lckp);
 		if (error != 0) {
 			/*
 			 * No Open stateid, so try and open the file
 			 * now.
 			 */
 			openerr = nfsrpc_open(vp, FWRITE, cred, p);
 			if (openerr == 0)
 				nfscl_getstateid(vp, nfhp->nfh_fh,
 				    nfhp->nfh_len, NFSV4OPEN_ACCESSWRITE, 0,
 				    cred, p, &stateid, &lckp);
 		}
 		error = nfsrpc_deallocaterpc(vp, offs, len, &stateid, nap,
 		    attrflagp, cred, p);
 		if (error == NFSERR_STALESTATEID)
 			nfscl_initiate_recovery(nmp->nm_clp);
 		if (lckp != NULL)
 			nfscl_lockderef(lckp);
 		if (openerr == 0)
 			nfsrpc_close(vp, 0, p);
 		if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 		    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		    error == NFSERR_OLDSTATEID || error == NFSERR_BADSESSION) {
 			(void) nfs_catnap(PZERO, error, "nfs_deallocate");
 		} else if ((error == NFSERR_EXPIRED || (!NFSHASINT(nmp) &&
 		    error == NFSERR_BADSTATEID)) && clidrev != 0) {
 			expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
 		} else if (error == NFSERR_BADSTATEID && NFSHASINT(nmp)) {
 			error = EIO;
 		}
 		retrycnt++;
 	} while (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 	    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 	    error == NFSERR_BADSESSION ||
 	    (error == NFSERR_OLDSTATEID && retrycnt < 20) ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4));
 	if (error && retrycnt >= 4)
 		error = EIO;
 	return (error);
 }
 
 /*
  * The actual deallocate RPC.
  */
 static int
 nfsrpc_deallocaterpc(vnode_t vp, off_t offs, off_t len,
     nfsv4stateid_t *stateidp, struct nfsvattr *nap, int *attrflagp,
     struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsnode *np = VTONFS(vp);
 	int error, wccflag;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	nfsattrbit_t attrbits;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_DEALLOCATE, vp, cred);
 	nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER);
 	txdr_hyper(offs, tl);
 	tl += 2;
 	txdr_hyper(len, tl);
 	NFSWRITEGETATTR_ATTRBIT(&attrbits);
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	nfsrv_putattrbit(nd, &attrbits);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error != 0)
 		return (error);
 	wccflag = 0;
 	error = nfscl_wcc_data(nd, vp, nap, attrflagp, &wccflag, NULL);
 	if (error != 0)
 		goto nfsmout;
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsm_loadattr(nd, nap);
 		if (error != 0)
 			goto nfsmout;
 		*attrflagp = NFS_LATTR_NOSHRINK;
 	}
 	NFSWRITERPC_SETTIME(wccflag, np, nap, 1);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 	return (error);
 }
 
 /*
  * nfs mknod rpc
  * For NFS v2 this is a kludge. Use a create rpc but with the IFMT bits of the
  * mode set to specify the file type and the size field for rdev.
  */
 int
 nfsrpc_mknod(vnode_t dvp, char *name, int namelen, struct vattr *vap,
     u_int32_t rdev, __enum_uint8(vtype) vtyp, struct ucred *cred, NFSPROC_T *p,
     struct nfsvattr *dnap, struct nfsvattr *nnap, struct nfsfh **nfhpp,
     int *attrflagp, int *dattrflagp)
 {
 	u_int32_t *tl;
 	int error = 0;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	nfsattrbit_t attrbits;
 
 	*nfhpp = NULL;
 	*attrflagp = 0;
 	*dattrflagp = 0;
 	if (namelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	NFSCL_REQSTART(nd, NFSPROC_MKNOD, dvp, cred);
 	if (nd->nd_flag & ND_NFSV4) {
 		if (vtyp == VBLK || vtyp == VCHR) {
 			NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 			*tl++ = vtonfsv34_type(vtyp);
 			*tl++ = txdr_unsigned(NFSMAJOR(rdev));
 			*tl = txdr_unsigned(NFSMINOR(rdev));
 		} else {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl = vtonfsv34_type(vtyp);
 		}
 	}
 	(void) nfsm_strtom(nd, name, namelen);
 	if (nd->nd_flag & ND_NFSV3) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = vtonfsv34_type(vtyp);
 	}
 	if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4))
 		nfscl_fillsattr(nd, vap, dvp, NFSSATTR_NEWFILE, 0);
 	if ((nd->nd_flag & ND_NFSV3) &&
 	    (vtyp == VCHR || vtyp == VBLK)) {
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(NFSMAJOR(rdev));
 		*tl = txdr_unsigned(NFSMINOR(rdev));
 	}
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSGETATTR_ATTRBIT(&attrbits);
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(NFSV4OP_GETFH);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 	}
 	if (nd->nd_flag & ND_NFSV2)
 		nfscl_fillsattr(nd, vap, dvp, NFSSATTR_SIZERDEV, rdev);
 	error = nfscl_request(nd, dvp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_flag & ND_NFSV4)
 		error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, NULL);
 	if (!nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV4) {
 			NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 			error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 			if (error)
 				goto nfsmout;
 		}
 		error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
 		if (error)
 			goto nfsmout;
 	}
 	if (nd->nd_flag & ND_NFSV3)
 		error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, NULL);
 	if (!error && nd->nd_repstat)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs file create call
  * Mostly just call the approriate routine. (I separated out v4, so that
  * error recovery wouldn't be as difficult.)
  */
 int
 nfsrpc_create(vnode_t dvp, char *name, int namelen, struct vattr *vap,
     nfsquad_t cverf, int fmode, struct ucred *cred, NFSPROC_T *p,
     struct nfsvattr *dnap, struct nfsvattr *nnap, struct nfsfh **nfhpp,
     int *attrflagp, int *dattrflagp)
 {
 	int error = 0, newone, expireret = 0, retrycnt, unlocked;
 	struct nfsclowner *owp;
 	struct nfscldeleg *dp;
 	struct nfsmount *nmp = VFSTONFS(dvp->v_mount);
 	u_int32_t clidrev;
 
 	if (NFSHASNFSV4(nmp)) {
 	    retrycnt = 0;
 	    do {
 		dp = NULL;
 		error = nfscl_open(dvp, NULL, 0, (NFSV4OPEN_ACCESSWRITE |
 		    NFSV4OPEN_ACCESSREAD), 0, cred, p, &owp, NULL, &newone,
 		    NULL, 1, true);
 		if (error)
 			return (error);
 		if (nmp->nm_clp != NULL)
 			clidrev = nmp->nm_clp->nfsc_clientidrev;
 		else
 			clidrev = 0;
 		if (!NFSHASPNFS(nmp) || nfscl_enablecallb == 0 ||
 		    nfs_numnfscbd == 0 || retrycnt > 0)
 			error = nfsrpc_createv4(dvp, name, namelen, vap, cverf,
 			  fmode, owp, &dp, cred, p, dnap, nnap, nfhpp,
 			  attrflagp, dattrflagp, &unlocked);
 		else
 			error = nfsrpc_getcreatelayout(dvp, name, namelen, vap,
 			  cverf, fmode, owp, &dp, cred, p, dnap, nnap, nfhpp,
 			  attrflagp, dattrflagp, &unlocked);
 		/*
 		 * There is no need to invalidate cached attributes here,
 		 * since new post-delegation issue attributes are always
 		 * returned by nfsrpc_createv4() and these will update the
 		 * attribute cache.
 		 */
 		if (dp != NULL)
 			(void) nfscl_deleg(nmp->nm_mountp, owp->nfsow_clp,
 			    (*nfhpp)->nfh_fh, (*nfhpp)->nfh_len, cred, p, dp);
 		nfscl_ownerrelease(nmp, owp, error, newone, unlocked);
 		if (error == NFSERR_GRACE || error == NFSERR_STALECLIENTID ||
 		    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		    error == NFSERR_BADSESSION) {
 			(void) nfs_catnap(PZERO, error, "nfs_open");
 		} else if ((error == NFSERR_EXPIRED ||
 		    error == NFSERR_BADSTATEID) && clidrev != 0) {
 			expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
 			retrycnt++;
 		}
 	    } while (error == NFSERR_GRACE || error == NFSERR_STALECLIENTID ||
 		error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		error == NFSERR_BADSESSION ||
 		((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 		 expireret == 0 && clidrev != 0 && retrycnt < 4));
 	    if (error && retrycnt >= 4)
 		    error = EIO;
 	} else {
 		error = nfsrpc_createv23(dvp, name, namelen, vap, cverf,
 		    fmode, cred, p, dnap, nnap, nfhpp, attrflagp, dattrflagp);
 	}
 	return (error);
 }
 
 /*
  * The create rpc for v2 and 3.
  */
 static int
 nfsrpc_createv23(vnode_t dvp, char *name, int namelen, struct vattr *vap,
     nfsquad_t cverf, int fmode, struct ucred *cred, NFSPROC_T *p,
     struct nfsvattr *dnap, struct nfsvattr *nnap, struct nfsfh **nfhpp,
     int *attrflagp, int *dattrflagp)
 {
 	u_int32_t *tl;
 	int error = 0;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 
 	*nfhpp = NULL;
 	*attrflagp = 0;
 	*dattrflagp = 0;
 	if (namelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	NFSCL_REQSTART(nd, NFSPROC_CREATE, dvp, cred);
 	(void) nfsm_strtom(nd, name, namelen);
 	if (nd->nd_flag & ND_NFSV3) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		if (fmode & O_EXCL) {
 			*tl = txdr_unsigned(NFSCREATE_EXCLUSIVE);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_VERF);
 			*tl++ = cverf.lval[0];
 			*tl = cverf.lval[1];
 		} else {
 			*tl = txdr_unsigned(NFSCREATE_UNCHECKED);
 			nfscl_fillsattr(nd, vap, dvp, 0, 0);
 		}
 	} else {
 		nfscl_fillsattr(nd, vap, dvp, NFSSATTR_SIZE0, 0);
 	}
 	error = nfscl_request(nd, dvp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
 		if (error)
 			goto nfsmout;
 	}
 	if (nd->nd_flag & ND_NFSV3)
 		error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, NULL);
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 static int
 nfsrpc_createv4(vnode_t dvp, char *name, int namelen, struct vattr *vap,
     nfsquad_t cverf, int fmode, struct nfsclowner *owp, struct nfscldeleg **dpp,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
     struct nfsvattr *nnap, struct nfsfh **nfhpp, int *attrflagp,
     int *dattrflagp, int *unlockedp)
 {
 	u_int32_t *tl;
 	int error = 0, deleg, newone, ret, acesize, limitby;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsclopen *op;
 	struct nfscldeleg *dp = NULL;
 	struct nfsnode *np;
 	struct nfsfh *nfhp;
 	nfsattrbit_t attrbits;
 	nfsv4stateid_t stateid;
 	u_int32_t rflags;
 	struct nfsmount *nmp;
 	struct nfsclsession *tsep;
 
 	nmp = VFSTONFS(dvp->v_mount);
 	np = VTONFS(dvp);
 	*unlockedp = 0;
 	*nfhpp = NULL;
 	*dpp = NULL;
 	*attrflagp = 0;
 	*dattrflagp = 0;
 	if (namelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	NFSCL_REQSTART(nd, NFSPROC_CREATE, dvp, cred);
 	/*
 	 * For V4, this is actually an Open op.
 	 */
 	NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(owp->nfsow_seqid);
 	if (NFSHASNFSV4N(nmp)) {
 		if (!NFSHASPNFS(nmp) && nfscl_enablecallb != 0 &&
 		    nfs_numnfscbd > 0)
 			*tl++ = txdr_unsigned(NFSV4OPEN_ACCESSWRITE |
 			    NFSV4OPEN_ACCESSREAD | NFSV4OPEN_WANTWRITEDELEG);
 		else
 			*tl++ = txdr_unsigned(NFSV4OPEN_ACCESSWRITE |
 			    NFSV4OPEN_ACCESSREAD | NFSV4OPEN_WANTNODELEG);
 	} else
 		*tl++ = txdr_unsigned(NFSV4OPEN_ACCESSWRITE |
 		    NFSV4OPEN_ACCESSREAD);
 	*tl++ = txdr_unsigned(NFSV4OPEN_DENYNONE);
 	tsep = nfsmnt_mdssession(nmp);
 	*tl++ = tsep->nfsess_clientid.lval[0];
 	*tl = tsep->nfsess_clientid.lval[1];
 	(void) nfsm_strtom(nd, owp->nfsow_owner, NFSV4CL_LOCKNAMELEN);
 	NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(NFSV4OPEN_CREATE);
 	if (fmode & O_EXCL) {
 		if (NFSHASNFSV4N(nmp)) {
 			if (NFSHASSESSPERSIST(nmp)) {
 				/* Use GUARDED for persistent sessions. */
 				*tl = txdr_unsigned(NFSCREATE_GUARDED);
 				nfscl_fillsattr(nd, vap, dvp, NFSSATTR_NEWFILE,
 				    0);
 			} else {
 				/* Otherwise, use EXCLUSIVE4_1. */
 				*tl = txdr_unsigned(NFSCREATE_EXCLUSIVE41);
 				NFSM_BUILD(tl, u_int32_t *, NFSX_VERF);
 				*tl++ = cverf.lval[0];
 				*tl = cverf.lval[1];
 				nfscl_fillsattr(nd, vap, dvp, NFSSATTR_NEWFILE,
 				    0);
 			}
 		} else {
 			/* NFSv4.0 */
 			*tl = txdr_unsigned(NFSCREATE_EXCLUSIVE);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_VERF);
 			*tl++ = cverf.lval[0];
 			*tl = cverf.lval[1];
 		}
 	} else {
 		*tl = txdr_unsigned(NFSCREATE_UNCHECKED);
 		nfscl_fillsattr(nd, vap, dvp, NFSSATTR_NEWFILE, 0);
 	}
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OPEN_CLAIMNULL);
 	(void) nfsm_strtom(nd, name, namelen);
 	/* Get the new file's handle and attributes. */
 	NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(NFSV4OP_GETFH);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	(void) nfsrv_putattrbit(nd, &attrbits);
 	/* Get the directory's post-op attributes. */
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_PUTFH);
 	(void)nfsm_fhtom(nmp, nd, np->n_fhp->nfh_fh, np->n_fhp->nfh_len, 0);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	(void) nfsrv_putattrbit(nd, &attrbits);
 	error = nfscl_request(nd, dvp, p, cred);
 	if (error)
 		return (error);
 	NFSCL_INCRSEQID(owp->nfsow_seqid, nd);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
 		    6 * NFSX_UNSIGNED);
 		stateid.seqid = *tl++;
 		stateid.other[0] = *tl++;
 		stateid.other[1] = *tl++;
 		stateid.other[2] = *tl;
 		rflags = fxdr_unsigned(u_int32_t, *(tl + 6));
 		error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 		if (error)
 			goto nfsmout;
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		deleg = fxdr_unsigned(int, *tl);
 		if (deleg == NFSV4OPEN_DELEGATEREAD ||
 		    deleg == NFSV4OPEN_DELEGATEWRITE) {
 			if (!(owp->nfsow_clp->nfsc_flags &
 			      NFSCLFLAGS_FIRSTDELEG))
 				owp->nfsow_clp->nfsc_flags |=
 				  (NFSCLFLAGS_FIRSTDELEG | NFSCLFLAGS_GOTDELEG);
 			dp = malloc(
 			    sizeof (struct nfscldeleg) + NFSX_V4FHMAX,
 			    M_NFSCLDELEG, M_WAITOK);
 			LIST_INIT(&dp->nfsdl_owner);
 			LIST_INIT(&dp->nfsdl_lock);
 			dp->nfsdl_clp = owp->nfsow_clp;
 			newnfs_copyincred(cred, &dp->nfsdl_cred);
 			nfscl_lockinit(&dp->nfsdl_rwlock);
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
 			    NFSX_UNSIGNED);
 			dp->nfsdl_stateid.seqid = *tl++;
 			dp->nfsdl_stateid.other[0] = *tl++;
 			dp->nfsdl_stateid.other[1] = *tl++;
 			dp->nfsdl_stateid.other[2] = *tl++;
 			ret = fxdr_unsigned(int, *tl);
 			if (deleg == NFSV4OPEN_DELEGATEWRITE) {
 				dp->nfsdl_flags = NFSCLDL_WRITE;
 				/*
 				 * Indicates how much the file can grow.
 				 */
 				NFSM_DISSECT(tl, u_int32_t *,
 				    3 * NFSX_UNSIGNED);
 				limitby = fxdr_unsigned(int, *tl++);
 				switch (limitby) {
 				case NFSV4OPEN_LIMITSIZE:
 					dp->nfsdl_sizelimit = fxdr_hyper(tl);
 					break;
 				case NFSV4OPEN_LIMITBLOCKS:
 					dp->nfsdl_sizelimit =
 					    fxdr_unsigned(u_int64_t, *tl++);
 					dp->nfsdl_sizelimit *=
 					    fxdr_unsigned(u_int64_t, *tl);
 					break;
 				default:
 					error = NFSERR_BADXDR;
 					goto nfsmout;
 				}
 			} else {
 				dp->nfsdl_flags = NFSCLDL_READ;
 			}
 			if (ret)
 				dp->nfsdl_flags |= NFSCLDL_RECALL;
 			error = nfsrv_dissectace(nd, &dp->nfsdl_ace, false,
 			    &ret, &acesize, p);
 			if (error)
 				goto nfsmout;
 		} else if (deleg == NFSV4OPEN_DELEGATENONEEXT &&
 		    NFSHASNFSV4N(nmp)) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			deleg = fxdr_unsigned(uint32_t, *tl);
 			if (deleg == NFSV4OPEN_CONTENTION ||
 			    deleg == NFSV4OPEN_RESOURCE)
 				NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		} else if (deleg != NFSV4OPEN_DELEGATENONE) {
 			error = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 		error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
 		if (error)
 			goto nfsmout;
 		/* Get rid of the PutFH and Getattr status values. */
 		NFSM_DISSECT(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 		/* Load the directory attributes. */
 		error = nfsm_loadattr(nd, dnap);
 		if (error)
 			goto nfsmout;
 		*dattrflagp = 1;
 		if (dp != NULL && *attrflagp) {
 			dp->nfsdl_change = nnap->na_filerev;
 			dp->nfsdl_modtime = nnap->na_mtime;
 			dp->nfsdl_flags |= NFSCLDL_MODTIMESET;
 		}
 		/*
 		 * We can now complete the Open state.
 		 */
 		nfhp = *nfhpp;
 		if (dp != NULL) {
 			dp->nfsdl_fhlen = nfhp->nfh_len;
 			NFSBCOPY(nfhp->nfh_fh, dp->nfsdl_fh, nfhp->nfh_len);
 		}
 		/*
 		 * Get an Open structure that will be
 		 * attached to the OpenOwner, acquired already.
 		 */
 		error = nfscl_open(dvp, nfhp->nfh_fh, nfhp->nfh_len, 
 		    (NFSV4OPEN_ACCESSWRITE | NFSV4OPEN_ACCESSREAD), 0,
 		    cred, p, NULL, &op, &newone, NULL, 0, false);
 		if (error)
 			goto nfsmout;
 		op->nfso_stateid = stateid;
 		newnfs_copyincred(cred, &op->nfso_cred);
 		if ((rflags & NFSV4OPEN_RESULTCONFIRM)) {
 		    do {
 			ret = nfsrpc_openconfirm(dvp, nfhp->nfh_fh,
 			    nfhp->nfh_len, op, cred, p);
 			if (ret == NFSERR_DELAY)
 			    (void) nfs_catnap(PZERO, ret, "nfs_create");
 		    } while (ret == NFSERR_DELAY);
 		    error = ret;
 		}
 
 		/*
 		 * If the server is handing out delegations, but we didn't
 		 * get one because an OpenConfirm was required, try the
 		 * Open again, to get a delegation. This is a harmless no-op,
 		 * from a server's point of view.
 		 */
 		if ((rflags & NFSV4OPEN_RESULTCONFIRM) &&
 		    (owp->nfsow_clp->nfsc_flags & NFSCLFLAGS_GOTDELEG) &&
 		    !error && dp == NULL) {
 		    KASSERT(!NFSHASNFSV4N(nmp),
 			("nfsrpc_createv4: result confirm"));
 		    do {
 			ret = nfsrpc_openrpc(VFSTONFS(dvp->v_mount), dvp,
 			    np->n_fhp->nfh_fh, np->n_fhp->nfh_len,
 			    nfhp->nfh_fh, nfhp->nfh_len,
 			    (NFSV4OPEN_ACCESSWRITE | NFSV4OPEN_ACCESSREAD), op,
 			    name, namelen, &dp, 0, 0x0, cred, p, 0, 1);
 			if (ret == NFSERR_DELAY)
 			    (void) nfs_catnap(PZERO, ret, "nfs_crt2");
 		    } while (ret == NFSERR_DELAY);
 		    if (ret) {
 			if (dp != NULL) {
 				free(dp, M_NFSCLDELEG);
 				dp = NULL;
 			}
 			if (ret == NFSERR_STALECLIENTID ||
 			    ret == NFSERR_STALEDONTRECOVER ||
 			    ret == NFSERR_BADSESSION)
 				error = ret;
 		    }
 		}
 		nfscl_openrelease(nmp, op, error, newone);
 		*unlockedp = 1;
 	}
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 	if (error == NFSERR_STALECLIENTID)
 		nfscl_initiate_recovery(owp->nfsow_clp);
 nfsmout:
 	if (!error)
 		*dpp = dp;
 	else if (dp != NULL)
 		free(dp, M_NFSCLDELEG);
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Nfs remove rpc
  */
 int
 nfsrpc_remove(struct vnode *dvp, char *name, int namelen, struct vnode *vp,
     struct nfsvattr *nap, int *attrflagp, nfsremove_status *file_status,
     struct nfsvattr *dnap, int *dattrflagp, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsnode *np;
 	struct nfsmount *nmp;
 	nfsv4stateid_t dstateid;
 	nfsattrbit_t attrbits;
 	int error, i, ret;
 
 	*dattrflagp = 0;
 	*attrflagp = 0;
 	*file_status = UNKNOWN;
 	ret = 0;
 	if (namelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	nmp = VFSTONFS(dvp->v_mount);
 tryagain:
 	if (NFSHASNFSV4(nmp) && ((nmp->nm_flag & NFSMNT_NOCTO) == 0 ||
 	    !NFSHASNFSV4N(nmp)) && ret == 0) {
 		ret = nfscl_removedeleg(vp, p, &dstateid);
 		if (ret == 1) {
 			NFSCL_REQSTART(nd, NFSPROC_RETDELEGREMOVE, vp, cred);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID +
 			    NFSX_UNSIGNED);
 			if (NFSHASNFSV4N(nmp))
 				*tl++ = 0;
 			else
 				*tl++ = dstateid.seqid;
 			*tl++ = dstateid.other[0];
 			*tl++ = dstateid.other[1];
 			*tl++ = dstateid.other[2];
 			*tl = txdr_unsigned(NFSV4OP_PUTFH);
 			np = VTONFS(dvp);
 			(void)nfsm_fhtom(nmp, nd, np->n_fhp->nfh_fh,
 			    np->n_fhp->nfh_len, 0);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(NFSV4OP_REMOVE);
 		}
 	} else {
 		ret = 0;
 	}
 	if (ret == 0)
 		NFSCL_REQSTART(nd, NFSPROC_REMOVE, dvp, cred);
 	(void)nfsm_strtom(nd, name, namelen);
 	if (ret == 0 && (nd->nd_flag & ND_NFSV4) != 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_PUTFH);
 		np = VTONFS(vp);
 		(void)nfsm_fhtom(nmp, nd, np->n_fhp->nfh_fh, np->n_fhp->nfh_len, 0);
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		NFSGETATTR_ATTRBIT(&attrbits);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		(void)nfsrv_putattrbit(nd, &attrbits);
 	}
 	error = nfscl_request(nd, dvp, p, cred);
 	if (error != 0)
 		return (error);
 	if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
 		/* For NFSv4, parse out any Delereturn replies. */
 		if (ret > 0 && nd->nd_repstat != 0 &&
 		    (nd->nd_flag & ND_NOMOREDATA)) {
 			/*
 			 * If the Delegreturn failed, try again without
 			 * it. The server will Recall, as required.
 			 */
 			m_freem(nd->nd_mrep);
 			goto tryagain;
 		}
 		for (i = 0; i < (ret * 2); i++) {
 			if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) ==
 			    ND_NFSV4) {
 			    NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			    if (*(tl + 1))
 				nd->nd_flag |= ND_NOMOREDATA;
 			}
 		}
 		error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, NULL);
 	}
 	if (ret == 0 && (nd->nd_flag & (ND_NFSV4 |
 	    ND_NOMOREDATA)) == ND_NFSV4) {
 		/* Parse out the Remove reply for NFSPROC_REMOVE. */
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED + 2 * NFSX_HYPER);
 		/* No use for change info for now. */
 		/* The Remove succeeded. */
 		nd->nd_repstat = 0;
 	}
 	if (ret == 0 && (nd->nd_flag & (ND_NFSV4 |
 	    ND_NOMOREDATA)) == ND_NFSV4) {
 		/* Parse out the PutFH, Getattr for NFSPROC_REMOVE. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*(tl + 1) != 0) {
 			i = fxdr_unsigned(int, *(tl + 1));
 			if (i == NFSERR_STALE)
 				*file_status = DELETED;
 		} else {
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (*(tl + 1) != 0) {
 				i = fxdr_unsigned(int, *(tl + 1));
 				if (i == NFSERR_STALE)
 					*file_status = DELETED;
 			} else {
 				error = nfsm_loadattr(nd, nap);
 				if (error == 0) {
 					*attrflagp = 1;
 					if (nap->na_nlink == 0)
 						*file_status = NLINK_ZERO;
 					else
 						*file_status = VALID;
 				}
 			}
 		}
 	}
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do an nfs rename rpc.
  */
 int
 nfsrpc_rename(struct vnode *fdvp, struct vnode *fvp, char *fnameptr,
     int fnamelen, struct vnode *tdvp, struct vnode *tvp, char *tnameptr,
     int tnamelen, nfsremove_status *tvp_status, struct nfsvattr *fnap,
     struct nfsvattr *tnap, int *fattrflagp, int *tattrflagp,
     struct nfsvattr *tvpnap, int *tvpattrflagp, struct ucred *cred,
     NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsmount *nmp;
 	struct nfsnode *np;
 	nfsattrbit_t attrbits;
 	nfsv4stateid_t fdstateid, tdstateid;
 	int error = 0, ret = 0, gottd = 0, gotfd = 0, i;
 
 	*fattrflagp = 0;
 	*tattrflagp = 0;
 	*tvpattrflagp = 0;
 	*tvp_status = UNKNOWN;
 	nmp = VFSTONFS(fdvp->v_mount);
 	if (fnamelen > NFS_MAXNAMLEN || tnamelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 tryagain:
 	if (NFSHASNFSV4(nmp) && ((nmp->nm_flag & NFSMNT_NOCTO) == 0 ||
 	    !NFSHASNFSV4N(nmp)) && ret == 0) {
 		ret = nfscl_renamedeleg(fvp, &fdstateid, &gotfd, tvp,
 		    &tdstateid, &gottd, p);
 		if (gotfd && gottd) {
 			NFSCL_REQSTART(nd, NFSPROC_RETDELEGRENAME2, fvp, cred);
 		} else if (gotfd) {
 			NFSCL_REQSTART(nd, NFSPROC_RETDELEGRENAME1, fvp, cred);
 		} else if (gottd) {
 			NFSCL_REQSTART(nd, NFSPROC_RETDELEGRENAME1, tvp, cred);
 		}
 		if (gotfd) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
 			if (NFSHASNFSV4N(nmp))
 				*tl++ = 0;
 			else
 				*tl++ = fdstateid.seqid;
 			*tl++ = fdstateid.other[0];
 			*tl++ = fdstateid.other[1];
 			*tl = fdstateid.other[2];
 			if (gottd) {
 				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 				*tl = txdr_unsigned(NFSV4OP_PUTFH);
 				np = VTONFS(tvp);
 				(void)nfsm_fhtom(nmp, nd, np->n_fhp->nfh_fh,
 				    np->n_fhp->nfh_len, 0);
 				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 				*tl = txdr_unsigned(NFSV4OP_DELEGRETURN);
 			}
 		}
 		if (gottd) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
 			if (NFSHASNFSV4N(nmp))
 				*tl++ = 0;
 			else
 				*tl++ = tdstateid.seqid;
 			*tl++ = tdstateid.other[0];
 			*tl++ = tdstateid.other[1];
 			*tl = tdstateid.other[2];
 		}
 		if (ret > 0) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(NFSV4OP_PUTFH);
 			np = VTONFS(fdvp);
 			(void)nfsm_fhtom(nmp, nd, np->n_fhp->nfh_fh,
 			    np->n_fhp->nfh_len, 0);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(NFSV4OP_SAVEFH);
 		}
 	} else {
 		ret = 0;
 	}
 	if (ret == 0)
 		NFSCL_REQSTART(nd, NFSPROC_RENAME, fdvp, cred);
 	if ((nd->nd_flag & ND_NFSV4) != 0) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		NFSWCCATTR_ATTRBIT(&attrbits);
 		(void)nfsrv_putattrbit(nd, &attrbits);
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_PUTFH);
 		(void)nfsm_fhtom(nmp, nd, VTONFS(tdvp)->n_fhp->nfh_fh,
 		    VTONFS(tdvp)->n_fhp->nfh_len, 0);
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		(void)nfsrv_putattrbit(nd, &attrbits);
 		nd->nd_flag |= ND_V4WCCATTR;
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_RENAME);
 	}
 	(void)nfsm_strtom(nd, fnameptr, fnamelen);
 	if ((nd->nd_flag & ND_NFSV4) == 0)
 		(void)nfsm_fhtom(nmp, nd, VTONFS(tdvp)->n_fhp->nfh_fh,
 			VTONFS(tdvp)->n_fhp->nfh_len, 0);
 	(void)nfsm_strtom(nd, tnameptr, tnamelen);
 	if (ret == 0 && (nd->nd_flag & ND_NFSV4) != 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		/* When tvp == NULL, it doesn't matter which dvp is used. */
 		*tl = txdr_unsigned(NFSV4OP_PUTFH);
 		if (tvp != NULL)
 			(void)nfsm_fhtom(nmp, nd, VTONFS(tvp)->n_fhp->nfh_fh,
 			    VTONFS(tvp)->n_fhp->nfh_len, 0);
 		else
 			(void)nfsm_fhtom(nmp, nd, VTONFS(tdvp)->n_fhp->nfh_fh,
 			    VTONFS(tdvp)->n_fhp->nfh_len, 0);
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		NFSGETATTR_ATTRBIT(&attrbits);
 		(void)nfsrv_putattrbit(nd, &attrbits);
 	}
 	error = nfscl_request(nd, fdvp, p, cred);
 	if (error != 0)
 		return (error);
 	if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
 		/* For NFSv4, parse out any Delereturn replies. */
 		if (ret > 0 && nd->nd_repstat != 0 &&
 		    (nd->nd_flag & ND_NOMOREDATA)) {
 			/*
 			 * If the Delegreturn failed, try again without
 			 * it. The server will Recall, as required.
 			 */
 			m_freem(nd->nd_mrep);
 			goto tryagain;
 		}
 		for (i = 0; i < (ret * 2); i++) {
 			if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) ==
 			    ND_NFSV4) {
 			    NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			    if (*(tl + 1)) {
 				if (i == 1 && ret > 1) {
 				    /*
 				     * If the Delegreturn failed, try again
 				     * without it. The server will Recall, as
 				     * required.
 				     * If ret > 1, the second iteration of this
 				     * loop is the second DelegReturn result.
 				     */
 				    m_freem(nd->nd_mrep);
 				    goto tryagain;
 				} else {
 				    nd->nd_flag |= ND_NOMOREDATA;
 				}
 			    }
 			}
 		}
 		/* Now, the first wcc attribute reply. */
 		if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4) {
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (*(tl + 1))
 				nd->nd_flag |= ND_NOMOREDATA;
 		}
 		error = nfscl_wcc_data(nd, fdvp, fnap, fattrflagp, NULL, NULL);
 		/* and the second wcc attribute reply. */
 		if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4 &&
 		    error == 0) {
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (*(tl + 1))
 				nd->nd_flag |= ND_NOMOREDATA;
 		}
 		if (error == 0)
 			error = nfscl_wcc_data(nd, tdvp, tnap, tattrflagp,
 			    NULL, NULL);
 	}
 	if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4 &&
 	    ret == 0 && error == 0) {
 		/* Parse out the rename successful reply. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED +
 		    4 * NFSX_HYPER);
 		nd->nd_repstat = 0;	/* Rename succeeded. */
 		/* Parse PutFH reply for tvp. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*(tl + 1) != 0) {
 			if (tvp != NULL) {
 				i = fxdr_unsigned(int, *(tl + 1));
 				if (i == NFSERR_STALE)
 					*tvp_status = DELETED;
 			}
 		} else {
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (*(tl + 1) != 0) {
 				if (tvp != NULL) {
 					i = fxdr_unsigned(int, *(tl + 1));
 					if (i == NFSERR_STALE)
 						*tvp_status = DELETED;
 				}
 			} else {
 				error = nfsm_loadattr(nd, tvpnap);
 				if (error == 0 && tvp != NULL) {
 					*tvpattrflagp = 1;
 					if (tvpnap->na_nlink == 0)
 						*tvp_status = NLINK_ZERO;
 					else
 						*tvp_status = VALID;
 				}
 			}
 		}
 	}
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs hard link create rpc
  */
 int
 nfsrpc_link(vnode_t dvp, vnode_t vp, char *name, int namelen,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
     struct nfsvattr *nap, int *attrflagp, int *dattrflagp)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	nfsattrbit_t attrbits;
 	int error = 0;
 
 	*attrflagp = 0;
 	*dattrflagp = 0;
 	if (namelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	NFSCL_REQSTART(nd, NFSPROC_LINK, vp, cred);
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_PUTFH);
 	}
 	(void)nfsm_fhtom(VFSTONFS(dvp->v_mount), nd, VTONFS(dvp)->n_fhp->nfh_fh,
 		VTONFS(dvp)->n_fhp->nfh_len, 0);
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_LINK);
 	}
 	(void) nfsm_strtom(nd, name, namelen);
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		NFSGETATTR_ATTRBIT(&attrbits);
 		(void)nfsrv_putattrbit(nd, &attrbits);
 		NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(NFSV4OP_RESTOREFH);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		(void)nfsrv_putattrbit(nd, &attrbits);
 	}
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_flag & ND_NFSV3) {
 		error = nfscl_postop_attr(nd, nap, attrflagp);
 		if (!error)
 			error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp,
 			    NULL, NULL);
 	} else if (nd->nd_repstat == 0 && (nd->nd_flag & ND_NFSV4) != 0) {
 		/*
 		 * First and parse out the PutFH and Link results.
 		 */
 		NFSM_DISSECT(tl, uint32_t *, 5 * NFSX_UNSIGNED +
 		    2 * NFSX_HYPER);
 		if (*(tl + 3))
 			nd->nd_flag |= ND_NOMOREDATA;
 		/*
 		 * Get the directory post-op attributes.
 		 */
 		if ((nd->nd_flag & ND_NOMOREDATA) == 0)
 			error = nfscl_postop_attr(nd, dnap, dattrflagp);
 		if (error == 0 && (nd->nd_flag & ND_NOMOREDATA) == 0) {
 			/* Get rid of the RestoreFH reply. */
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (*(tl + 1))
 				nd->nd_flag |= ND_NOMOREDATA;
 		}
 		/* Get the file's post-op attributes. */
 		if (error == 0 && (nd->nd_flag & ND_NOMOREDATA) == 0)
 			error = nfscl_postop_attr(nd, nap, attrflagp);
 	}
 	if (nd->nd_repstat && !error)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs symbolic link create rpc
  */
 int
 nfsrpc_symlink(vnode_t dvp, char *name, int namelen, const char *target,
     struct vattr *vap, struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
     struct nfsvattr *nnap, struct nfsfh **nfhpp, int *attrflagp,
     int *dattrflagp)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsmount *nmp;
 	int slen, error = 0;
 
 	*nfhpp = NULL;
 	*attrflagp = 0;
 	*dattrflagp = 0;
 	nmp = VFSTONFS(dvp->v_mount);
 	slen = strlen(target);
 	if (slen > NFS_MAXPATHLEN || namelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	NFSCL_REQSTART(nd, NFSPROC_SYMLINK, dvp, cred);
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFLNK);
 		(void) nfsm_strtom(nd, target, slen);
 	}
 	(void) nfsm_strtom(nd, name, namelen);
 	if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4))
 		nfscl_fillsattr(nd, vap, dvp, 0, 0);
 	if (!(nd->nd_flag & ND_NFSV4))
 		(void) nfsm_strtom(nd, target, slen);
 	if (nd->nd_flag & ND_NFSV2)
 		nfscl_fillsattr(nd, vap, dvp, NFSSATTR_SIZENEG1, 0);
 	error = nfscl_request(nd, dvp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_flag & ND_NFSV4)
 		error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, NULL);
 	if ((nd->nd_flag & ND_NFSV3) && !error) {
 		if (!nd->nd_repstat)
 			error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
 		if (!error)
 			error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp,
 			    NULL, NULL);
 	}
 	if (nd->nd_repstat && !error)
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	/*
 	 * Kludge: Map EEXIST => 0 assuming that it is a reply to a retry.
 	 * Only do this if vfs.nfs.ignore_eexist is set.
 	 * Never do this for NFSv4.1 or later minor versions, since sessions
 	 * should guarantee "exactly once" RPC semantics.
 	 */
 	if (error == EEXIST && nfsignore_eexist != 0 && (!NFSHASNFSV4(nmp) ||
 	    nmp->nm_minorvers == 0))
 		error = 0;
 	return (error);
 }
 
 /*
  * nfs make dir rpc
  */
 int
 nfsrpc_mkdir(vnode_t dvp, char *name, int namelen, struct vattr *vap,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
     struct nfsvattr *nnap, struct nfsfh **nfhpp, int *attrflagp,
     int *dattrflagp)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	nfsattrbit_t attrbits;
 	int error = 0;
 	struct nfsfh *fhp;
 	struct nfsmount *nmp;
 
 	*nfhpp = NULL;
 	*attrflagp = 0;
 	*dattrflagp = 0;
 	nmp = VFSTONFS(dvp->v_mount);
 	fhp = VTONFS(dvp)->n_fhp;
 	if (namelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	NFSCL_REQSTART(nd, NFSPROC_MKDIR, dvp, cred);
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFDIR);
 	}
 	(void) nfsm_strtom(nd, name, namelen);
 	nfscl_fillsattr(nd, vap, dvp, NFSSATTR_SIZENEG1 | NFSSATTR_NEWFILE, 0);
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSGETATTR_ATTRBIT(&attrbits);
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(NFSV4OP_GETFH);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_PUTFH);
 		(void)nfsm_fhtom(nmp, nd, fhp->nfh_fh, fhp->nfh_len, 0);
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 	}
 	error = nfscl_request(nd, dvp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_flag & ND_NFSV4)
 		error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, NULL);
 	if (!nd->nd_repstat && !error) {
 		if (nd->nd_flag & ND_NFSV4) {
 			NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 			error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 		}
 		if (!error)
 			error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
 		if (error == 0 && (nd->nd_flag & ND_NFSV4) != 0) {
 			/* Get rid of the PutFH and Getattr status values. */
 			NFSM_DISSECT(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 			/* Load the directory attributes. */
 			error = nfsm_loadattr(nd, dnap);
 			if (error == 0)
 				*dattrflagp = 1;
 		}
 	}
 	if ((nd->nd_flag & ND_NFSV3) && !error)
 		error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, NULL);
 	if (nd->nd_repstat && !error)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	/*
 	 * Kludge: Map EEXIST => 0 assuming that it is a reply to a retry.
 	 * Only do this if vfs.nfs.ignore_eexist is set.
 	 * Never do this for NFSv4.1 or later minor versions, since sessions
 	 * should guarantee "exactly once" RPC semantics.
 	 */
 	if (error == EEXIST && nfsignore_eexist != 0 && (!NFSHASNFSV4(nmp) ||
 	    nmp->nm_minorvers == 0))
 		error = 0;
 	return (error);
 }
 
 /*
  * nfs remove directory call
  */
 int
 nfsrpc_rmdir(vnode_t dvp, char *name, int namelen, struct ucred *cred,
     NFSPROC_T *p, struct nfsvattr *dnap, int *dattrflagp)
 {
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error = 0;
 
 	*dattrflagp = 0;
 	if (namelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	NFSCL_REQSTART(nd, NFSPROC_RMDIR, dvp, cred);
 	(void) nfsm_strtom(nd, name, namelen);
 	error = nfscl_request(nd, dvp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4))
 		error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, NULL);
 	if (nd->nd_repstat && !error)
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	/*
 	 * Kludge: Map ENOENT => 0 assuming that you have a reply to a retry.
 	 */
 	if (error == ENOENT)
 		error = 0;
 	return (error);
 }
 
 /*
  * Check to make sure the file name in a Readdir reply is valid.
  */
 static bool
 nfscl_invalidfname(bool is_v4, char *name, int len)
 {
 	int i;
 	char *cp;
 
 	if (is_v4 && ((len == 1 && name[0] == '.') ||
 	    (len == 2 && name[0] == '.' && name[1] == '.'))) {
 		printf("Readdir NFSv4 reply has dot or dotdot in it\n");
 		return (true);
 	}
 	cp = name;
 	for (i = 0; i < len; i++, cp++) {
 		if (*cp == '/' || *cp == '\0') {
 			printf("Readdir reply file name had imbedded / or nul"
 			    " byte\n");
 			return (true);
 		}
 	}
 	return (false);
 }
 
 /*
  * Readdir rpc.
  * Always returns with either uio_resid unchanged, if you are at the
  * end of the directory, or uio_resid == 0, with all DIRBLKSIZ chunks
  * filled in.
  * I felt this would allow caching of directory blocks more easily
  * than returning a pertially filled block.
  * Directory offset cookies:
  * Oh my, what to do with them...
  * I can think of three ways to deal with them:
  * 1 - have the layer above these RPCs maintain a map between logical
  *     directory byte offsets and the NFS directory offset cookies
  * 2 - pass the opaque directory offset cookies up into userland
  *     and let the libc functions deal with them, via the system call
  * 3 - return them to userland in the "struct dirent", so future versions
  *     of libc can use them and do whatever is necessary to make things work
  *     above these rpc calls, in the meantime
  * For now, I do #3 by "hiding" the directory offset cookies after the
  * d_name field in struct dirent. This is space inside d_reclen that
  * will be ignored by anything that doesn't know about them.
  * The directory offset cookies are filled in as the last 8 bytes of
  * each directory entry, after d_name. Someday, the userland libc
  * functions may be able to use these. In the meantime, it satisfies
  * OpenBSD's requirements for cookies being returned.
  * If expects the directory offset cookie for the read to be in uio_offset
  * and returns the one for the next entry after this directory block in
  * there, as well.
  */
 int
 nfsrpc_readdir(vnode_t vp, struct uio *uiop, nfsuint64 *cookiep,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp,
     int *eofp)
 {
 	int len, left;
 	struct dirent *dp = NULL;
 	u_int32_t *tl;
 	nfsquad_t cookie, ncookie;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsnode *dnp = VTONFS(vp);
 	struct nfsvattr nfsva;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error = 0, tlen, more_dirs = 1, blksiz = 0, bigenough = 1;
 	int reqsize, tryformoredirs = 1, readsize, eof = 0, gotmnton = 0;
 	u_int64_t dotfileid, dotdotfileid = 0, fakefileno = UINT64_MAX;
 	char *cp;
 	nfsattrbit_t attrbits, dattrbits;
 	u_int32_t rderr, *tl2 = NULL;
 	size_t tresid;
 	bool validentry;
 
 	KASSERT(uiop->uio_iovcnt == 1 &&
 	    (uiop->uio_resid & (DIRBLKSIZ - 1)) == 0,
 	    ("nfs readdirrpc bad uio"));
 	KASSERT(uiop->uio_segflg == UIO_SYSSPACE,
 	    ("nfsrpc_readdir: uio userspace"));
 	ncookie.lval[0] = ncookie.lval[1] = 0;
 	/*
 	 * There is no point in reading a lot more than uio_resid, however
 	 * adding one additional DIRBLKSIZ makes sense. Since uio_resid
 	 * and nm_readdirsize are both exact multiples of DIRBLKSIZ, this
 	 * will never make readsize > nm_readdirsize.
 	 */
 	readsize = nmp->nm_readdirsize;
 	if (readsize > uiop->uio_resid)
 		readsize = uiop->uio_resid + DIRBLKSIZ;
 
 	*attrflagp = 0;
 	if (eofp)
 		*eofp = 0;
 	tresid = uiop->uio_resid;
 	cookie.lval[0] = cookiep->nfsuquad[0];
 	cookie.lval[1] = cookiep->nfsuquad[1];
 	nd->nd_mrep = NULL;
 
 	/*
 	 * For NFSv4, first create the "." and ".." entries.
 	 */
 	if (NFSHASNFSV4(nmp)) {
 		reqsize = 6 * NFSX_UNSIGNED;
 		NFSGETATTR_ATTRBIT(&dattrbits);
 		NFSZERO_ATTRBIT(&attrbits);
 		NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_FILEID);
 		NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TYPE);
 		if (NFSISSET_ATTRBIT(&dnp->n_vattr.na_suppattr,
 		    NFSATTRBIT_MOUNTEDONFILEID)) {
 			NFSSETBIT_ATTRBIT(&attrbits,
 			    NFSATTRBIT_MOUNTEDONFILEID);
 			gotmnton = 1;
 		} else {
 			/*
 			 * Must fake it. Use the fileno, except when the
 			 * fsid is != to that of the directory. For that
 			 * case, generate a fake fileno that is not the same.
 			 */
 			NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_FSID);
 			gotmnton = 0;
 		}
 
 		/*
 		 * Joy, oh joy. For V4 we get to hand craft '.' and '..'.
 		 */
 		if (uiop->uio_offset == 0) {
 			NFSCL_REQSTART(nd, NFSPROC_LOOKUPP, vp, cred);
 			NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(NFSV4OP_GETFH);
 			*tl = txdr_unsigned(NFSV4OP_GETATTR);
 			(void) nfsrv_putattrbit(nd, &attrbits);
 			error = nfscl_request(nd, vp, p, cred);
 			if (error)
 			    return (error);
 			dotfileid = 0;	/* Fake out the compiler. */
 			if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 			    error = nfsm_loadattr(nd, &nfsva);
 			    if (error != 0)
 				goto nfsmout;
 			    dotfileid = nfsva.na_fileid;
 			}
 			if (nd->nd_repstat == 0) {
 			    NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 			    len = fxdr_unsigned(int, *(tl + 4));
 			    if (len > 0 && len <= NFSX_V4FHMAX)
 				error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
 			    else
 				error = EPERM;
 			    if (!error) {
 				NFSM_DISSECT(tl, u_int32_t *, 2*NFSX_UNSIGNED);
 				nfsva.na_mntonfileno = UINT64_MAX;
 				error = nfsv4_loadattr(nd, NULL, &nfsva, NULL,
 				    NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
 				    NULL, NULL, NULL, NULL, NULL, p, cred);
 				if (error) {
 				    dotdotfileid = dotfileid;
 				} else if (gotmnton) {
 				    if (nfsva.na_mntonfileno != UINT64_MAX)
 					dotdotfileid = nfsva.na_mntonfileno;
 				    else
 					dotdotfileid = nfsva.na_fileid;
 				} else if (nfsva.na_filesid[0] ==
 				    dnp->n_vattr.na_filesid[0] &&
 				    nfsva.na_filesid[1] ==
 				    dnp->n_vattr.na_filesid[1]) {
 				    dotdotfileid = nfsva.na_fileid;
 				} else {
 				    do {
 					fakefileno--;
 				    } while (fakefileno ==
 					nfsva.na_fileid);
 				    dotdotfileid = fakefileno;
 				}
 			    }
 			} else if (nd->nd_repstat == NFSERR_NOENT) {
 			    /*
 			     * Lookupp returns NFSERR_NOENT when we are
 			     * at the root, so just use the current dir.
 			     */
 			    nd->nd_repstat = 0;
 			    dotdotfileid = dotfileid;
 			} else {
 			    error = nd->nd_repstat;
 			}
 			m_freem(nd->nd_mrep);
 			if (error)
 			    return (error);
 			nd->nd_mrep = NULL;
 			dp = (struct dirent *)uiop->uio_iov->iov_base;
 			dp->d_pad0 = dp->d_pad1 = 0;
 			dp->d_off = 0;
 			dp->d_type = DT_DIR;
 			dp->d_fileno = dotfileid;
 			dp->d_namlen = 1;
 			*((uint64_t *)dp->d_name) = 0;	/* Zero pad it. */
 			dp->d_name[0] = '.';
 			dp->d_reclen = _GENERIC_DIRSIZ(dp) + NFSX_HYPER;
 			/*
 			 * Just make these offset cookie 0.
 			 */
 			tl = (u_int32_t *)&dp->d_name[8];
 			*tl++ = 0;
 			*tl = 0;
 			blksiz += dp->d_reclen;
 			uiop->uio_resid -= dp->d_reclen;
 			uiop->uio_offset += dp->d_reclen;
 			uiop->uio_iov->iov_base =
 			    (char *)uiop->uio_iov->iov_base + dp->d_reclen;
 			uiop->uio_iov->iov_len -= dp->d_reclen;
 			dp = (struct dirent *)uiop->uio_iov->iov_base;
 			dp->d_pad0 = dp->d_pad1 = 0;
 			dp->d_off = 0;
 			dp->d_type = DT_DIR;
 			dp->d_fileno = dotdotfileid;
 			dp->d_namlen = 2;
 			*((uint64_t *)dp->d_name) = 0;
 			dp->d_name[0] = '.';
 			dp->d_name[1] = '.';
 			dp->d_reclen = _GENERIC_DIRSIZ(dp) + NFSX_HYPER;
 			/*
 			 * Just make these offset cookie 0.
 			 */
 			tl = (u_int32_t *)&dp->d_name[8];
 			*tl++ = 0;
 			*tl = 0;
 			blksiz += dp->d_reclen;
 			uiop->uio_resid -= dp->d_reclen;
 			uiop->uio_offset += dp->d_reclen;
 			uiop->uio_iov->iov_base =
 			    (char *)uiop->uio_iov->iov_base + dp->d_reclen;
 			uiop->uio_iov->iov_len -= dp->d_reclen;
 		}
 		NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_RDATTRERROR);
 	} else {
 		reqsize = 5 * NFSX_UNSIGNED;
 	}
 
 	/*
 	 * Loop around doing readdir rpc's of size readsize.
 	 * The stopping criteria is EOF or buffer full.
 	 */
 	while (more_dirs && bigenough) {
 		*attrflagp = 0;
 		NFSCL_REQSTART(nd, NFSPROC_READDIR, vp, cred);
 		if (nd->nd_flag & ND_NFSV2) {
 			NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = cookie.lval[1];
 			*tl = txdr_unsigned(readsize);
 		} else {
 			NFSM_BUILD(tl, u_int32_t *, reqsize);
 			*tl++ = cookie.lval[0];
 			*tl++ = cookie.lval[1];
 			if (cookie.qval == 0) {
 				*tl++ = 0;
 				*tl++ = 0;
 			} else {
 				NFSLOCKNODE(dnp);
 				*tl++ = dnp->n_cookieverf.nfsuquad[0];
 				*tl++ = dnp->n_cookieverf.nfsuquad[1];
 				NFSUNLOCKNODE(dnp);
 			}
 			if (nd->nd_flag & ND_NFSV4) {
 				*tl++ = txdr_unsigned(readsize);
 				*tl = txdr_unsigned(readsize);
 				(void) nfsrv_putattrbit(nd, &attrbits);
 				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 				*tl = txdr_unsigned(NFSV4OP_GETATTR);
 				(void) nfsrv_putattrbit(nd, &dattrbits);
 			} else {
 				*tl = txdr_unsigned(readsize);
 			}
 		}
 		error = nfscl_request(nd, vp, p, cred);
 		if (error)
 			return (error);
 		if (!(nd->nd_flag & ND_NFSV2)) {
 			if (nd->nd_flag & ND_NFSV3)
 				error = nfscl_postop_attr(nd, nap, attrflagp);
 			if (!nd->nd_repstat && !error) {
 				NFSM_DISSECT(tl, u_int32_t *, NFSX_HYPER);
 				NFSLOCKNODE(dnp);
 				dnp->n_cookieverf.nfsuquad[0] = *tl++;
 				dnp->n_cookieverf.nfsuquad[1] = *tl;
 				NFSUNLOCKNODE(dnp);
 			}
 		}
 		if (nd->nd_repstat || error) {
 			if (!error)
 				error = nd->nd_repstat;
 			goto nfsmout;
 		}
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		more_dirs = fxdr_unsigned(int, *tl);
 		if (!more_dirs)
 			tryformoredirs = 0;
 
 		/* loop through the dir entries, doctoring them to 4bsd form */
 		while (more_dirs && bigenough) {
 			validentry = true;
 			if (nd->nd_flag & ND_NFSV4) {
 				NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
 				ncookie.lval[0] = *tl++;
 				ncookie.lval[1] = *tl++;
 				len = fxdr_unsigned(int, *tl);
 			} else if (nd->nd_flag & ND_NFSV3) {
 				NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
 				nfsva.na_fileid = fxdr_hyper(tl);
 				tl += 2;
 				len = fxdr_unsigned(int, *tl);
 			} else {
 				NFSM_DISSECT(tl, u_int32_t *, 2*NFSX_UNSIGNED);
 				nfsva.na_fileid = fxdr_unsigned(uint64_t,
 				    *tl++);
 				len = fxdr_unsigned(int, *tl);
 			}
 			if (len <= 0 || len > NFS_MAXNAMLEN) {
 				error = EBADRPC;
 				goto nfsmout;
 			}
 			tlen = roundup2(len, 8);
 			if (tlen == len)
 				tlen += 8;  /* To ensure null termination. */
 			left = DIRBLKSIZ - blksiz;
 			if (_GENERIC_DIRLEN(len) + NFSX_HYPER > left) {
 				NFSBZERO(uiop->uio_iov->iov_base, left);
 				dp->d_reclen += left;
 				uiop->uio_iov->iov_base =
 				    (char *)uiop->uio_iov->iov_base + left;
 				uiop->uio_iov->iov_len -= left;
 				uiop->uio_resid -= left;
 				uiop->uio_offset += left;
 				blksiz = 0;
 			}
 			if (_GENERIC_DIRLEN(len) + NFSX_HYPER >
 			    uiop->uio_resid)
 				bigenough = 0;
 			if (bigenough) {
 				struct iovec saviov;
 				off_t savoff;
 				ssize_t savresid;
 				int savblksiz;
 
 				saviov.iov_base = uiop->uio_iov->iov_base;
 				saviov.iov_len = uiop->uio_iov->iov_len;
 				savoff = uiop->uio_offset;
 				savresid = uiop->uio_resid;
 				savblksiz = blksiz;
 
 				dp = (struct dirent *)uiop->uio_iov->iov_base;
 				dp->d_pad0 = dp->d_pad1 = 0;
 				dp->d_off = 0;
 				dp->d_namlen = len;
 				dp->d_reclen = _GENERIC_DIRLEN(len) +
 				    NFSX_HYPER;
 				dp->d_type = DT_UNKNOWN;
 				blksiz += dp->d_reclen;
 				if (blksiz == DIRBLKSIZ)
 					blksiz = 0;
 				uiop->uio_resid -= DIRHDSIZ;
 				uiop->uio_offset += DIRHDSIZ;
 				uiop->uio_iov->iov_base =
 				    (char *)uiop->uio_iov->iov_base + DIRHDSIZ;
 				uiop->uio_iov->iov_len -= DIRHDSIZ;
 				cp = uiop->uio_iov->iov_base;
 				error = nfsm_mbufuio(nd, uiop, len);
 				if (error)
 					goto nfsmout;
 				/* Check for an invalid file name. */
 				if (nfscl_invalidfname(
 				    (nd->nd_flag & ND_NFSV4) != 0, cp, len)) {
 					/* Skip over this entry. */
 					uiop->uio_iov->iov_base =
 					    saviov.iov_base;
 					uiop->uio_iov->iov_len =
 					    saviov.iov_len;
 					uiop->uio_offset = savoff;
 					uiop->uio_resid = savresid;
 					blksiz = savblksiz;
 					validentry = false;
 				} else {
 					cp = uiop->uio_iov->iov_base;
 					tlen -= len;
 					NFSBZERO(cp, tlen);
 					cp += tlen; /* points to cookie store */
 					tl2 = (u_int32_t *)cp;
 					uiop->uio_iov->iov_base =
 					    (char *)uiop->uio_iov->iov_base +
 					    tlen + NFSX_HYPER;
 					uiop->uio_iov->iov_len -= tlen +
 					    NFSX_HYPER;
 					uiop->uio_resid -= tlen + NFSX_HYPER;
 					uiop->uio_offset += (tlen + NFSX_HYPER);
 				}
 			} else {
 				error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
 				if (error)
 					goto nfsmout;
 			}
 			if (nd->nd_flag & ND_NFSV4) {
 				rderr = 0;
 				nfsva.na_mntonfileno = UINT64_MAX;
 				error = nfsv4_loadattr(nd, NULL, &nfsva, NULL,
 				    NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
 				    NULL, NULL, &rderr, NULL, NULL, p, cred);
 				if (error)
 					goto nfsmout;
 				NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			} else if (nd->nd_flag & ND_NFSV3) {
 				NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
 				ncookie.lval[0] = *tl++;
 				ncookie.lval[1] = *tl++;
 			} else {
 				NFSM_DISSECT(tl, u_int32_t *, 2*NFSX_UNSIGNED);
 				ncookie.lval[0] = 0;
 				ncookie.lval[1] = *tl++;
 			}
 			if (bigenough && validentry) {
 			    if (nd->nd_flag & ND_NFSV4) {
 				if (rderr) {
 				    dp->d_fileno = 0;
 				} else {
 				    if (gotmnton) {
 					if (nfsva.na_mntonfileno != UINT64_MAX)
 					    dp->d_fileno = nfsva.na_mntonfileno;
 					else
 					    dp->d_fileno = nfsva.na_fileid;
 				    } else if (nfsva.na_filesid[0] ==
 					dnp->n_vattr.na_filesid[0] &&
 					nfsva.na_filesid[1] ==
 					dnp->n_vattr.na_filesid[1]) {
 					dp->d_fileno = nfsva.na_fileid;
 				    } else {
 					do {
 					    fakefileno--;
 					} while (fakefileno ==
 					    nfsva.na_fileid);
 					dp->d_fileno = fakefileno;
 				    }
 				    dp->d_type = vtonfs_dtype(nfsva.na_type);
 				}
 			    } else {
 				dp->d_fileno = nfsva.na_fileid;
 			    }
 			    *tl2++ = cookiep->nfsuquad[0] = cookie.lval[0] =
 				ncookie.lval[0];
 			    *tl2 = cookiep->nfsuquad[1] = cookie.lval[1] =
 				ncookie.lval[1];
 			}
 			more_dirs = fxdr_unsigned(int, *tl);
 		}
 		/*
 		 * If at end of rpc data, get the eof boolean
 		 */
 		if (!more_dirs) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			eof = fxdr_unsigned(int, *tl);
 			if (tryformoredirs)
 				more_dirs = !eof;
 			if (nd->nd_flag & ND_NFSV4) {
 				error = nfscl_postop_attr(nd, nap, attrflagp);
 				if (error)
 					goto nfsmout;
 			}
 		}
 		m_freem(nd->nd_mrep);
 		nd->nd_mrep = NULL;
 	}
 	/*
 	 * Fill last record, iff any, out to a multiple of DIRBLKSIZ
 	 * by increasing d_reclen for the last record.
 	 */
 	if (blksiz > 0) {
 		left = DIRBLKSIZ - blksiz;
 		NFSBZERO(uiop->uio_iov->iov_base, left);
 		dp->d_reclen += left;
 		uiop->uio_iov->iov_base = (char *)uiop->uio_iov->iov_base +
 		    left;
 		uiop->uio_iov->iov_len -= left;
 		uiop->uio_resid -= left;
 		uiop->uio_offset += left;
 	}
 
 	/*
 	 * If returning no data, assume end of file.
 	 * If not bigenough, return not end of file, since you aren't
 	 *    returning all the data
 	 * Otherwise, return the eof flag from the server.
 	 */
 	if (eofp) {
 		if (tresid == ((size_t)(uiop->uio_resid)))
 			*eofp = 1;
 		else if (!bigenough)
 			*eofp = 0;
 		else
 			*eofp = eof;
 	}
 
 	/*
 	 * Add extra empty records to any remaining DIRBLKSIZ chunks.
 	 */
 	while (uiop->uio_resid > 0 && uiop->uio_resid != tresid) {
 		dp = (struct dirent *)uiop->uio_iov->iov_base;
 		NFSBZERO(dp, DIRBLKSIZ);
 		dp->d_type = DT_UNKNOWN;
 		tl = (u_int32_t *)&dp->d_name[4];
 		*tl++ = cookie.lval[0];
 		*tl = cookie.lval[1];
 		dp->d_reclen = DIRBLKSIZ;
 		uiop->uio_iov->iov_base = (char *)uiop->uio_iov->iov_base +
 		    DIRBLKSIZ;
 		uiop->uio_iov->iov_len -= DIRBLKSIZ;
 		uiop->uio_resid -= DIRBLKSIZ;
 		uiop->uio_offset += DIRBLKSIZ;
 	}
 
 nfsmout:
 	if (nd->nd_mrep != NULL)
 		m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * NFS V3 readdir plus RPC. Used in place of nfsrpc_readdir().
  * (Also used for NFS V4 when mount flag set.)
  * (ditto above w.r.t. multiple of DIRBLKSIZ, etc.)
  */
 int
 nfsrpc_readdirplus(vnode_t vp, struct uio *uiop, nfsuint64 *cookiep,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp,
     int *eofp)
 {
 	int len, left;
 	struct dirent *dp = NULL;
 	u_int32_t *tl;
 	vnode_t newvp = NULL;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nameidata nami, *ndp = &nami;
 	struct componentname *cnp = &ndp->ni_cnd;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsnode *dnp = VTONFS(vp), *np;
 	struct nfsvattr nfsva;
 	struct nfsfh *nfhp;
 	nfsquad_t cookie, ncookie;
 	int error = 0, tlen, more_dirs = 1, blksiz = 0, bigenough = 1;
 	int attrflag, tryformoredirs = 1, eof = 0, gotmnton = 0;
 	int isdotdot = 0, unlocknewvp = 0;
 	u_int64_t dotfileid, dotdotfileid = 0, fakefileno = UINT64_MAX;
 	u_int64_t fileno = 0;
 	char *cp;
 	nfsattrbit_t attrbits, dattrbits;
 	size_t tresid;
 	u_int32_t *tl2 = NULL, rderr;
 	struct timespec dctime, ts;
 	bool attr_ok, named_dir, validentry;
 
 	KASSERT(uiop->uio_iovcnt == 1 &&
 	    (uiop->uio_resid & (DIRBLKSIZ - 1)) == 0,
 	    ("nfs readdirplusrpc bad uio"));
 	KASSERT(uiop->uio_segflg == UIO_SYSSPACE,
 	    ("nfsrpc_readdirplus: uio userspace"));
 	named_dir = false;
 	if ((vp->v_irflag & VIRF_NAMEDDIR) != 0)
 		named_dir = true;
 	ncookie.lval[0] = ncookie.lval[1] = 0;
 	timespecclear(&dctime);
 	*attrflagp = 0;
 	if (eofp != NULL)
 		*eofp = 0;
 	ndp->ni_dvp = vp;
 	nd->nd_mrep = NULL;
 	cookie.lval[0] = cookiep->nfsuquad[0];
 	cookie.lval[1] = cookiep->nfsuquad[1];
 	tresid = uiop->uio_resid;
 
 	/*
 	 * For NFSv4, first create the "." and ".." entries.
 	 */
 	if (NFSHASNFSV4(nmp)) {
 		NFSGETATTR_ATTRBIT(&dattrbits);
 		NFSZERO_ATTRBIT(&attrbits);
 		NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_FILEID);
 		if (NFSISSET_ATTRBIT(&dnp->n_vattr.na_suppattr,
 		    NFSATTRBIT_MOUNTEDONFILEID)) {
 			NFSSETBIT_ATTRBIT(&attrbits,
 			    NFSATTRBIT_MOUNTEDONFILEID);
 			gotmnton = 1;
 		} else {
 			/*
 			 * Must fake it. Use the fileno, except when the
 			 * fsid is != to that of the directory. For that
 			 * case, generate a fake fileno that is not the same.
 			 */
 			NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_FSID);
 			gotmnton = 0;
 		}
 
 		/*
 		 * Joy, oh joy. For V4 we get to hand craft '.' and '..'.
 		 */
 		if (uiop->uio_offset == 0) {
 			NFSCL_REQSTART(nd, NFSPROC_LOOKUPP, vp, cred);
 			NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(NFSV4OP_GETFH);
 			*tl = txdr_unsigned(NFSV4OP_GETATTR);
 			(void) nfsrv_putattrbit(nd, &attrbits);
 			error = nfscl_request(nd, vp, p, cred);
 			if (error)
 			    return (error);
 			dotfileid = 0;	/* Fake out the compiler. */
 			if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 			    error = nfsm_loadattr(nd, &nfsva);
 			    if (error != 0)
 				goto nfsmout;
 			    dctime = nfsva.na_ctime;
 			    dotfileid = nfsva.na_fileid;
 			}
 			if (nd->nd_repstat == 0) {
 			    NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 			    len = fxdr_unsigned(int, *(tl + 4));
 			    if (len > 0 && len <= NFSX_V4FHMAX)
 				error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
 			    else
 				error = EPERM;
 			    if (!error) {
 				NFSM_DISSECT(tl, u_int32_t *, 2*NFSX_UNSIGNED);
 				nfsva.na_mntonfileno = UINT64_MAX;
 				error = nfsv4_loadattr(nd, NULL, &nfsva, NULL,
 				    NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
 				    NULL, NULL, NULL, NULL, NULL, p, cred);
 				if (error) {
 				    dotdotfileid = dotfileid;
 				} else if (gotmnton) {
 				    if (nfsva.na_mntonfileno != UINT64_MAX)
 					dotdotfileid = nfsva.na_mntonfileno;
 				    else
 					dotdotfileid = nfsva.na_fileid;
 				} else if (nfsva.na_filesid[0] ==
 				    dnp->n_vattr.na_filesid[0] &&
 				    nfsva.na_filesid[1] ==
 				    dnp->n_vattr.na_filesid[1]) {
 				    dotdotfileid = nfsva.na_fileid;
 				} else {
 				    do {
 					fakefileno--;
 				    } while (fakefileno ==
 					nfsva.na_fileid);
 				    dotdotfileid = fakefileno;
 				}
 			    }
 			} else if (nd->nd_repstat == NFSERR_NOENT) {
 			    /*
 			     * Lookupp returns NFSERR_NOENT when we are
 			     * at the root, so just use the current dir.
 			     */
 			    nd->nd_repstat = 0;
 			    dotdotfileid = dotfileid;
 			} else {
 			    error = nd->nd_repstat;
 			}
 			m_freem(nd->nd_mrep);
 			if (error)
 			    return (error);
 			nd->nd_mrep = NULL;
 			dp = (struct dirent *)uiop->uio_iov->iov_base;
 			dp->d_pad0 = dp->d_pad1 = 0;
 			dp->d_off = 0;
 			dp->d_type = DT_DIR;
 			dp->d_fileno = dotfileid;
 			dp->d_namlen = 1;
 			*((uint64_t *)dp->d_name) = 0;	/* Zero pad it. */
 			dp->d_name[0] = '.';
 			dp->d_reclen = _GENERIC_DIRSIZ(dp) + NFSX_HYPER;
 			/*
 			 * Just make these offset cookie 0.
 			 */
 			tl = (u_int32_t *)&dp->d_name[8];
 			*tl++ = 0;
 			*tl = 0;
 			blksiz += dp->d_reclen;
 			uiop->uio_resid -= dp->d_reclen;
 			uiop->uio_offset += dp->d_reclen;
 			uiop->uio_iov->iov_base =
 			    (char *)uiop->uio_iov->iov_base + dp->d_reclen;
 			uiop->uio_iov->iov_len -= dp->d_reclen;
 			dp = (struct dirent *)uiop->uio_iov->iov_base;
 			dp->d_pad0 = dp->d_pad1 = 0;
 			dp->d_off = 0;
 			dp->d_type = DT_DIR;
 			dp->d_fileno = dotdotfileid;
 			dp->d_namlen = 2;
 			*((uint64_t *)dp->d_name) = 0;
 			dp->d_name[0] = '.';
 			dp->d_name[1] = '.';
 			dp->d_reclen = _GENERIC_DIRSIZ(dp) + NFSX_HYPER;
 			/*
 			 * Just make these offset cookie 0.
 			 */
 			tl = (u_int32_t *)&dp->d_name[8];
 			*tl++ = 0;
 			*tl = 0;
 			blksiz += dp->d_reclen;
 			uiop->uio_resid -= dp->d_reclen;
 			uiop->uio_offset += dp->d_reclen;
 			uiop->uio_iov->iov_base =
 			    (char *)uiop->uio_iov->iov_base + dp->d_reclen;
 			uiop->uio_iov->iov_len -= dp->d_reclen;
 		}
 		NFSREADDIRPLUS_ATTRBIT(&attrbits);
 		if (gotmnton)
 			NFSSETBIT_ATTRBIT(&attrbits,
 			    NFSATTRBIT_MOUNTEDONFILEID);
 		if (!NFSISSET_ATTRBIT(&dnp->n_vattr.na_suppattr,
 		    NFSATTRBIT_TIMECREATE))
 			NFSCLRBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMECREATE);
 		if (!NFSISSET_ATTRBIT(&dnp->n_vattr.na_suppattr,
 		    NFSATTRBIT_HIDDEN) ||
 		    !NFSISSET_ATTRBIT(&dnp->n_vattr.na_suppattr,
 		    NFSATTRBIT_SYSTEM)) {
 			NFSCLRBIT_ATTRBIT(&attrbits, NFSATTRBIT_HIDDEN);
 			NFSCLRBIT_ATTRBIT(&attrbits, NFSATTRBIT_SYSTEM);
 		}
 	}
 
 	/*
 	 * Loop around doing readdir rpc's of size nm_readdirsize.
 	 * The stopping criteria is EOF or buffer full.
 	 */
 	while (more_dirs && bigenough) {
 		*attrflagp = 0;
 		NFSCL_REQSTART(nd, NFSPROC_READDIRPLUS, vp, cred);
  		NFSM_BUILD(tl, u_int32_t *, 6 * NFSX_UNSIGNED);
 		*tl++ = cookie.lval[0];
 		*tl++ = cookie.lval[1];
 		if (cookie.qval == 0) {
 			*tl++ = 0;
 			*tl++ = 0;
 		} else {
 			NFSLOCKNODE(dnp);
 			*tl++ = dnp->n_cookieverf.nfsuquad[0];
 			*tl++ = dnp->n_cookieverf.nfsuquad[1];
 			NFSUNLOCKNODE(dnp);
 		}
 		*tl++ = txdr_unsigned(nmp->nm_readdirsize);
 		*tl = txdr_unsigned(nmp->nm_readdirsize);
 		if (nd->nd_flag & ND_NFSV4) {
 			(void) nfsrv_putattrbit(nd, &attrbits);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(NFSV4OP_GETATTR);
 			(void) nfsrv_putattrbit(nd, &dattrbits);
 		}
 		nanouptime(&ts);
 		error = nfscl_request(nd, vp, p, cred);
 		if (error)
 			return (error);
 		if (nd->nd_flag & ND_NFSV3)
 			error = nfscl_postop_attr(nd, nap, attrflagp);
 		if (nd->nd_repstat || error) {
 			if (!error)
 				error = nd->nd_repstat;
 			goto nfsmout;
 		}
 		if ((nd->nd_flag & ND_NFSV3) != 0 && *attrflagp != 0)
 			dctime = nap->na_ctime;
 		NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 		NFSLOCKNODE(dnp);
 		dnp->n_cookieverf.nfsuquad[0] = *tl++;
 		dnp->n_cookieverf.nfsuquad[1] = *tl++;
 		NFSUNLOCKNODE(dnp);
 		more_dirs = fxdr_unsigned(int, *tl);
 		if (!more_dirs)
 			tryformoredirs = 0;
 
 		/* loop through the dir entries, doctoring them to 4bsd form */
 		while (more_dirs && bigenough) {
 			validentry = true;
 			NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 			if (nd->nd_flag & ND_NFSV4) {
 				ncookie.lval[0] = *tl++;
 				ncookie.lval[1] = *tl++;
 			} else {
 				fileno = fxdr_hyper(tl);
 				tl += 2;
 			}
 			len = fxdr_unsigned(int, *tl);
 			if (len <= 0 || len > NFS_MAXNAMLEN) {
 				error = EBADRPC;
 				goto nfsmout;
 			}
 			tlen = roundup2(len, 8);
 			if (tlen == len)
 				tlen += 8;  /* To ensure null termination. */
 			left = DIRBLKSIZ - blksiz;
 			if (_GENERIC_DIRLEN(len) + NFSX_HYPER > left) {
 				NFSBZERO(uiop->uio_iov->iov_base, left);
 				dp->d_reclen += left;
 				uiop->uio_iov->iov_base =
 				    (char *)uiop->uio_iov->iov_base + left;
 				uiop->uio_iov->iov_len -= left;
 				uiop->uio_resid -= left;
 				uiop->uio_offset += left;
 				blksiz = 0;
 			}
 			if (_GENERIC_DIRLEN(len) + NFSX_HYPER >
 			    uiop->uio_resid)
 				bigenough = 0;
 			if (bigenough) {
 				struct iovec saviov;
 				off_t savoff;
 				ssize_t savresid;
 				int savblksiz;
 
 				saviov.iov_base = uiop->uio_iov->iov_base;
 				saviov.iov_len = uiop->uio_iov->iov_len;
 				savoff = uiop->uio_offset;
 				savresid = uiop->uio_resid;
 				savblksiz = blksiz;
 
 				dp = (struct dirent *)uiop->uio_iov->iov_base;
 				dp->d_pad0 = dp->d_pad1 = 0;
 				dp->d_off = 0;
 				dp->d_namlen = len;
 				dp->d_reclen = _GENERIC_DIRLEN(len) +
 				    NFSX_HYPER;
 				dp->d_type = DT_UNKNOWN;
 				blksiz += dp->d_reclen;
 				if (blksiz == DIRBLKSIZ)
 					blksiz = 0;
 				uiop->uio_resid -= DIRHDSIZ;
 				uiop->uio_offset += DIRHDSIZ;
 				uiop->uio_iov->iov_base =
 				    (char *)uiop->uio_iov->iov_base + DIRHDSIZ;
 				uiop->uio_iov->iov_len -= DIRHDSIZ;
 				cnp->cn_nameptr = uiop->uio_iov->iov_base;
 				cnp->cn_namelen = len;
 				NFSCNHASHZERO(cnp);
 				cp = uiop->uio_iov->iov_base;
 				error = nfsm_mbufuio(nd, uiop, len);
 				if (error)
 					goto nfsmout;
 				/* Check for an invalid file name. */
 				if (nfscl_invalidfname(
 				    (nd->nd_flag & ND_NFSV4) != 0, cp, len)) {
 					/* Skip over this entry. */
 					uiop->uio_iov->iov_base =
 					    saviov.iov_base;
 					uiop->uio_iov->iov_len =
 					    saviov.iov_len;
 					uiop->uio_offset = savoff;
 					uiop->uio_resid = savresid;
 					blksiz = savblksiz;
 					validentry = false;
 				} else {
 					cp = uiop->uio_iov->iov_base;
 					tlen -= len;
 					NFSBZERO(cp, tlen);
 					cp += tlen; /* points to cookie store */
 					tl2 = (u_int32_t *)cp;
 					if (len == 2 &&
 					    cnp->cn_nameptr[0] == '.' &&
 					    cnp->cn_nameptr[1] == '.')
 						isdotdot = 1;
 					else
 						isdotdot = 0;
 					uiop->uio_iov->iov_base =
 					    (char *)uiop->uio_iov->iov_base +
 					    tlen + NFSX_HYPER;
 					uiop->uio_iov->iov_len -= tlen +
 					    NFSX_HYPER;
 					uiop->uio_resid -= tlen + NFSX_HYPER;
 					uiop->uio_offset += (tlen + NFSX_HYPER);
 				}
 			} else {
 				error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
 				if (error)
 					goto nfsmout;
 			}
 			nfhp = NULL;
 			if (nd->nd_flag & ND_NFSV3) {
 				NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
 				ncookie.lval[0] = *tl++;
 				ncookie.lval[1] = *tl++;
 				attrflag = fxdr_unsigned(int, *tl);
 				if (attrflag) {
 				  error = nfsm_loadattr(nd, &nfsva);
 				  if (error)
 					goto nfsmout;
 				}
 				NFSM_DISSECT(tl,u_int32_t *,NFSX_UNSIGNED);
 				if (*tl) {
 					error = nfsm_getfh(nd, &nfhp);
 					if (error)
 					    goto nfsmout;
 				}
 				if (!attrflag && nfhp != NULL) {
 					free(nfhp, M_NFSFH);
 					nfhp = NULL;
 				}
 			} else {
 				rderr = 0;
 				nfsva.na_mntonfileno = 0xffffffff;
 				error = nfsv4_loadattr(nd, NULL, &nfsva, &nfhp,
 				    NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
 				    NULL, NULL, &rderr, NULL, NULL, p, cred);
 				if (error)
 					goto nfsmout;
 			}
 
 			if (bigenough && validentry) {
 			    if (nd->nd_flag & ND_NFSV4) {
 				if (rderr) {
 				    dp->d_fileno = 0;
 				} else if (gotmnton) {
 				    if (nfsva.na_mntonfileno != 0xffffffff)
 					dp->d_fileno = nfsva.na_mntonfileno;
 				    else
 					dp->d_fileno = nfsva.na_fileid;
 				} else if (nfsva.na_filesid[0] ==
 				    dnp->n_vattr.na_filesid[0] &&
 				    nfsva.na_filesid[1] ==
 				    dnp->n_vattr.na_filesid[1]) {
 				    dp->d_fileno = nfsva.na_fileid;
 				} else {
 				    do {
 					fakefileno--;
 				    } while (fakefileno ==
 					nfsva.na_fileid);
 				    dp->d_fileno = fakefileno;
 				}
 			    } else {
 				dp->d_fileno = fileno;
 			    }
 			    *tl2++ = cookiep->nfsuquad[0] = cookie.lval[0] =
 				ncookie.lval[0];
 			    *tl2 = cookiep->nfsuquad[1] = cookie.lval[1] =
 				ncookie.lval[1];
 
 			    if (nfhp != NULL) {
 				attr_ok = true;
 				if (NFSRV_CMPFH(nfhp->nfh_fh, nfhp->nfh_len,
 				    dnp->n_fhp->nfh_fh, dnp->n_fhp->nfh_len)) {
-				    VREF(vp);
+				    vref(vp);
 				    newvp = vp;
 				    unlocknewvp = 0;
 				    free(nfhp, M_NFSFH);
 				    np = dnp;
 				} else if (isdotdot != 0) {
 				    /*
 				     * Skip doing a nfscl_nget() call for "..".
 				     * There's a race between acquiring the nfs
 				     * node here and lookups that look for the
 				     * directory being read (in the parent).
 				     * It would try to get a lock on ".." here,
 				     * owning the lock on the directory being
 				     * read. Lookup will hold the lock on ".."
 				     * and try to acquire the lock on the
 				     * directory being read.
 				     * If the directory is unlocked/relocked,
 				     * then there is a LOR with the buflock
 				     * vp is relocked.
 				     */
 				    free(nfhp, M_NFSFH);
 				} else {
 				    error = nfscl_nget(vp->v_mount, vp,
 				      nfhp, cnp, p, &np, LK_EXCLUSIVE);
 				    if (!error) {
 					newvp = NFSTOV(np);
 					unlocknewvp = 1;
 					/*
 					 * If n_localmodtime >= time before RPC,
 					 * then a file modification operation,
 					 * such as VOP_SETATTR() of size, has
 					 * occurred while the Lookup RPC and
 					 * acquisition of the vnode happened. As
 					 * such, the attributes might be stale,
 					 * with possibly an incorrect size.
 					 */
 					NFSLOCKNODE(np);
 					if (timespecisset(
 					    &np->n_localmodtime) &&
 					    timespeccmp(&np->n_localmodtime,
 					    &ts, >=)) {
 					    NFSCL_DEBUG(4, "nfsrpc_readdirplus:"
 						" localmod stale attributes\n");
 					    attr_ok = false;
 					}
 					NFSUNLOCKNODE(np);
 				    }
 				}
 				nfhp = NULL;
 				if (newvp != NULL) {
 				    if (attr_ok)
 					error = nfscl_loadattrcache(&newvp,
 					    &nfsva, NULL, 0, 0);
 				    if (error) {
 					if (unlocknewvp)
 					    vput(newvp);
 					else
 					    vrele(newvp);
 					goto nfsmout;
 				    }
 				    dp->d_type =
 					vtonfs_dtype(np->n_vattr.na_type);
 				    ndp->ni_vp = newvp;
 				    NFSCNHASH(cnp, HASHINIT);
 				    if (cnp->cn_namelen <= NCHNAMLEN &&
 					ndp->ni_dvp != ndp->ni_vp &&
 					(newvp->v_type != VDIR ||
 					 dctime.tv_sec != 0) &&
 					!named_dir) {
 					cache_enter_time_flags(ndp->ni_dvp,
 					    ndp->ni_vp, cnp,
 					    &nfsva.na_ctime,
 					    newvp->v_type != VDIR ? NULL :
 					    &dctime, VFS_CACHE_DROPOLD);
 				    }
 				    if (unlocknewvp)
 					vput(newvp);
 				    else
 					vrele(newvp);
 				    newvp = NULL;
 				}
 			    }
 			} else if (nfhp != NULL) {
 			    free(nfhp, M_NFSFH);
 			}
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			more_dirs = fxdr_unsigned(int, *tl);
 		}
 		/*
 		 * If at end of rpc data, get the eof boolean
 		 */
 		if (!more_dirs) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			eof = fxdr_unsigned(int, *tl);
 			if (tryformoredirs)
 				more_dirs = !eof;
 			if (nd->nd_flag & ND_NFSV4) {
 				error = nfscl_postop_attr(nd, nap, attrflagp);
 				if (error)
 					goto nfsmout;
 			}
 		}
 		m_freem(nd->nd_mrep);
 		nd->nd_mrep = NULL;
 	}
 	/*
 	 * Fill last record, iff any, out to a multiple of DIRBLKSIZ
 	 * by increasing d_reclen for the last record.
 	 */
 	if (blksiz > 0) {
 		left = DIRBLKSIZ - blksiz;
 		NFSBZERO(uiop->uio_iov->iov_base, left);
 		dp->d_reclen += left;
 		uiop->uio_iov->iov_base = (char *)uiop->uio_iov->iov_base +
 		    left;
 		uiop->uio_iov->iov_len -= left;
 		uiop->uio_resid -= left;
 		uiop->uio_offset += left;
 	}
 
 	/*
 	 * If returning no data, assume end of file.
 	 * If not bigenough, return not end of file, since you aren't
 	 *    returning all the data
 	 * Otherwise, return the eof flag from the server.
 	 */
 	if (eofp != NULL) {
 		if (tresid == uiop->uio_resid)
 			*eofp = 1;
 		else if (!bigenough)
 			*eofp = 0;
 		else
 			*eofp = eof;
 	}
 
 	/*
 	 * Add extra empty records to any remaining DIRBLKSIZ chunks.
 	 */
 	while (uiop->uio_resid > 0 && uiop->uio_resid != tresid) {
 		dp = (struct dirent *)uiop->uio_iov->iov_base;
 		NFSBZERO(dp, DIRBLKSIZ);
 		dp->d_type = DT_UNKNOWN;
 		tl = (u_int32_t *)&dp->d_name[4];
 		*tl++ = cookie.lval[0];
 		*tl = cookie.lval[1];
 		dp->d_reclen = DIRBLKSIZ;
 		uiop->uio_iov->iov_base = (char *)uiop->uio_iov->iov_base +
 		    DIRBLKSIZ;
 		uiop->uio_iov->iov_len -= DIRBLKSIZ;
 		uiop->uio_resid -= DIRBLKSIZ;
 		uiop->uio_offset += DIRBLKSIZ;
 	}
 
 nfsmout:
 	if (nd->nd_mrep != NULL)
 		m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Nfs commit rpc
  */
 int
 nfsrpc_commit(vnode_t vp, u_quad_t offset, int cnt, struct ucred *cred,
     NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	nfsattrbit_t attrbits;
 	int error;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_COMMIT, vp, cred);
 	NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 	txdr_hyper(offset, tl);
 	tl += 2;
 	*tl = txdr_unsigned(cnt);
 	if (nd->nd_flag & ND_NFSV4) {
 		/*
 		 * And do a Getattr op.
 		 */
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_GETATTR);
 		NFSGETATTR_ATTRBIT(&attrbits);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 	}
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	error = nfscl_wcc_data(nd, vp, nap, attrflagp, NULL, NULL);
 	if (!error && !nd->nd_repstat) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF);
 		NFSLOCKMNT(nmp);
 		if (NFSBCMP(nmp->nm_verf, tl, NFSX_VERF)) {
 			NFSBCOPY(tl, nmp->nm_verf, NFSX_VERF);
 			nd->nd_repstat = NFSERR_STALEWRITEVERF;
 		}
 		NFSUNLOCKMNT(nmp);
 		if (nd->nd_flag & ND_NFSV4)
 			error = nfscl_postop_attr(nd, nap, attrflagp);
 	}
 nfsmout:
 	if (!error && nd->nd_repstat)
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * NFS byte range lock rpc.
  * (Mostly just calls one of the three lower level RPC routines.)
  */
 int
 nfsrpc_advlock(vnode_t vp, off_t size, int op, struct flock *fl,
     int reclaim, struct ucred *cred, NFSPROC_T *p, void *id, int flags)
 {
 	struct nfscllockowner *lp;
 	struct nfsclclient *clp;
 	struct nfsfh *nfhp;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	u_int64_t off, len;
 	off_t start, end;
 	u_int32_t clidrev = 0;
 	int error = 0, newone = 0, expireret = 0, retrycnt, donelocally;
 	int callcnt, dorpc;
 
 	/*
 	 * Convert the flock structure into a start and end and do POSIX
 	 * bounds checking.
 	 */
 	switch (fl->l_whence) {
 	case SEEK_SET:
 	case SEEK_CUR:
 		/*
 		 * Caller is responsible for adding any necessary offset
 		 * when SEEK_CUR is used.
 		 */
 		start = fl->l_start;
 		off = fl->l_start;
 		break;
 	case SEEK_END:
 		start = size + fl->l_start;
 		off = size + fl->l_start;
 		break;
 	default:
 		return (EINVAL);
 	}
 	if (start < 0)
 		return (EINVAL);
 	if (fl->l_len != 0) {
 		end = start + fl->l_len - 1;
 		if (end < start)
 			return (EINVAL);
 	}
 
 	len = fl->l_len;
 	if (len == 0)
 		len = NFS64BITSSET;
 	retrycnt = 0;
 	do {
 	    nd->nd_repstat = 0;
 	    if (op == F_GETLK) {
 		error = nfscl_getcl(vp->v_mount, cred, p, false, true, &clp);
 		if (error)
 			return (error);
 		error = nfscl_lockt(vp, clp, off, len, fl, p, id, flags);
 		if (!error) {
 			clidrev = clp->nfsc_clientidrev;
 			error = nfsrpc_lockt(nd, vp, clp, off, len, fl, cred,
 			    p, id, flags);
 		} else if (error == -1) {
 			error = 0;
 		}
 		nfscl_clientrelease(clp);
 	    } else if (op == F_UNLCK && fl->l_type == F_UNLCK) {
 		/*
 		 * We must loop around for all lockowner cases.
 		 */
 		callcnt = 0;
 		error = nfscl_getcl(vp->v_mount, cred, p, false, true, &clp);
 		if (error)
 			return (error);
 		do {
 		    error = nfscl_relbytelock(vp, off, len, cred, p, callcnt,
 			clp, id, flags, &lp, &dorpc);
 		    /*
 		     * If it returns a NULL lp, we're done.
 		     */
 		    if (lp == NULL) {
 			if (callcnt == 0)
 			    nfscl_clientrelease(clp);
 			else
 			    nfscl_releasealllocks(clp, vp, p, id, flags);
 			return (error);
 		    }
 		    if (nmp->nm_clp != NULL)
 			clidrev = nmp->nm_clp->nfsc_clientidrev;
 		    else
 			clidrev = 0;
 		    /*
 		     * If the server doesn't support Posix lock semantics,
 		     * only allow locks on the entire file, since it won't
 		     * handle overlapping byte ranges.
 		     * There might still be a problem when a lock
 		     * upgrade/downgrade (read<->write) occurs, since the
 		     * server "might" expect an unlock first?
 		     */
 		    if (dorpc && (lp->nfsl_open->nfso_posixlock ||
 			(off == 0 && len == NFS64BITSSET))) {
 			/*
 			 * Since the lock records will go away, we must
 			 * wait for grace and delay here.
 			 */
 			do {
 			    error = nfsrpc_locku(nd, nmp, lp, off, len,
 				NFSV4LOCKT_READ, cred, p, 0);
 			    if ((nd->nd_repstat == NFSERR_GRACE ||
 				 nd->nd_repstat == NFSERR_DELAY) &&
 				error == 0)
 				(void) nfs_catnap(PZERO, (int)nd->nd_repstat,
 				    "nfs_advlock");
 			} while ((nd->nd_repstat == NFSERR_GRACE ||
 			    nd->nd_repstat == NFSERR_DELAY) && error == 0);
 		    }
 		    callcnt++;
 		} while (error == 0 && nd->nd_repstat == 0);
 		nfscl_releasealllocks(clp, vp, p, id, flags);
 	    } else if (op == F_SETLK) {
 		error = nfscl_getbytelock(vp, off, len, fl->l_type, cred, p,
 		    NULL, 0, id, flags, NULL, NULL, &lp, &newone, &donelocally);
 		if (error || donelocally) {
 			return (error);
 		}
 		if (nmp->nm_clp != NULL)
 			clidrev = nmp->nm_clp->nfsc_clientidrev;
 		else
 			clidrev = 0;
 		nfhp = VTONFS(vp)->n_fhp;
 		if (!lp->nfsl_open->nfso_posixlock &&
 		    (off != 0 || len != NFS64BITSSET)) {
 			error = EINVAL;
 		} else {
 			error = nfsrpc_lock(nd, nmp, vp, nfhp->nfh_fh,
 			    nfhp->nfh_len, lp, newone, reclaim, off,
 			    len, fl->l_type, cred, p, 0);
 		}
 		if (!error)
 			error = nd->nd_repstat;
 		nfscl_lockrelease(lp, error, newone);
 	    } else {
 		error = EINVAL;
 	    }
 	    if (!error)
 	        error = nd->nd_repstat;
 	    if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 		error == NFSERR_STALEDONTRECOVER ||
 		error == NFSERR_STALECLIENTID || error == NFSERR_DELAY ||
 		error == NFSERR_BADSESSION) {
 		(void) nfs_catnap(PZERO, error, "nfs_advlock");
 	    } else if ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID)
 		&& clidrev != 0) {
 		expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
 		retrycnt++;
 	    }
 	} while (error == NFSERR_GRACE ||
 	    error == NFSERR_STALECLIENTID || error == NFSERR_DELAY ||
 	    error == NFSERR_STALEDONTRECOVER || error == NFSERR_STALESTATEID ||
 	    error == NFSERR_BADSESSION ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4));
 	if (error && retrycnt >= 4)
 		error = EIO;
 	return (error);
 }
 
 /*
  * The lower level routine for the LockT case.
  */
 int
 nfsrpc_lockt(struct nfsrv_descript *nd, vnode_t vp,
     struct nfsclclient *clp, u_int64_t off, u_int64_t len, struct flock *fl,
     struct ucred *cred, NFSPROC_T *p, void *id, int flags)
 {
 	u_int32_t *tl;
 	int error, type, size;
 	uint8_t own[NFSV4CL_LOCKNAMELEN + NFSX_V4FHMAX];
 	struct nfsnode *np;
 	struct nfsmount *nmp;
 	struct nfsclsession *tsep;
 
 	nmp = VFSTONFS(vp->v_mount);
 	NFSCL_REQSTART(nd, NFSPROC_LOCKT, vp, cred);
 	NFSM_BUILD(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
 	if (fl->l_type == F_RDLCK)
 		*tl++ = txdr_unsigned(NFSV4LOCKT_READ);
 	else
 		*tl++ = txdr_unsigned(NFSV4LOCKT_WRITE);
 	txdr_hyper(off, tl);
 	tl += 2;
 	txdr_hyper(len, tl);
 	tl += 2;
 	tsep = nfsmnt_mdssession(nmp);
 	*tl++ = tsep->nfsess_clientid.lval[0];
 	*tl = tsep->nfsess_clientid.lval[1];
 	nfscl_filllockowner(id, own, flags);
 	np = VTONFS(vp);
 	NFSBCOPY(np->n_fhp->nfh_fh, &own[NFSV4CL_LOCKNAMELEN],
 	    np->n_fhp->nfh_len);
 	(void)nfsm_strtom(nd, own, NFSV4CL_LOCKNAMELEN + np->n_fhp->nfh_len);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		fl->l_type = F_UNLCK;
 	} else if (nd->nd_repstat == NFSERR_DENIED) {
 		nd->nd_repstat = 0;
 		fl->l_whence = SEEK_SET;
 		NFSM_DISSECT(tl, u_int32_t *, 8 * NFSX_UNSIGNED);
 		fl->l_start = fxdr_hyper(tl);
 		tl += 2;
 		len = fxdr_hyper(tl);
 		tl += 2;
 		if (len == NFS64BITSSET)
 			fl->l_len = 0;
 		else
 			fl->l_len = len;
 		type = fxdr_unsigned(int, *tl++);
 		if (type == NFSV4LOCKT_WRITE)
 			fl->l_type = F_WRLCK;
 		else
 			fl->l_type = F_RDLCK;
 		/*
 		 * XXX For now, I have no idea what to do with the
 		 * conflicting lock_owner, so I'll just set the pid == 0
 		 * and skip over the lock_owner.
 		 */
 		fl->l_pid = (pid_t)0;
 		tl += 2;
 		size = fxdr_unsigned(int, *tl);
 		if (size < 0 || size > NFSV4_OPAQUELIMIT)
 			error = EBADRPC;
 		if (!error)
 			error = nfsm_advance(nd, NFSM_RNDUP(size), -1);
 	} else if (nd->nd_repstat == NFSERR_STALECLIENTID)
 		nfscl_initiate_recovery(clp);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Lower level function that performs the LockU RPC.
  */
 static int
 nfsrpc_locku(struct nfsrv_descript *nd, struct nfsmount *nmp,
     struct nfscllockowner *lp, u_int64_t off, u_int64_t len,
     u_int32_t type, struct ucred *cred, NFSPROC_T *p, int syscred)
 {
 	u_int32_t *tl;
 	int error;
 
 	nfscl_reqstart(nd, NFSPROC_LOCKU, nmp, lp->nfsl_open->nfso_fh,
 	    lp->nfsl_open->nfso_fhlen, NULL, NULL, 0, 0, cred);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID + 6 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(type);
 	*tl = txdr_unsigned(lp->nfsl_seqid);
 	if (nfstest_outofseq &&
 	    (arc4random() % nfstest_outofseq) == 0)
 		*tl = txdr_unsigned(lp->nfsl_seqid + 1);
 	tl++;
 	if (NFSHASNFSV4N(nmp))
 		*tl++ = 0;
 	else
 		*tl++ = lp->nfsl_stateid.seqid;
 	*tl++ = lp->nfsl_stateid.other[0];
 	*tl++ = lp->nfsl_stateid.other[1];
 	*tl++ = lp->nfsl_stateid.other[2];
 	txdr_hyper(off, tl);
 	tl += 2;
 	txdr_hyper(len, tl);
 	if (syscred)
 		nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	NFSCL_INCRSEQID(lp->nfsl_seqid, nd);
 	if (error)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
 		lp->nfsl_stateid.seqid = *tl++;
 		lp->nfsl_stateid.other[0] = *tl++;
 		lp->nfsl_stateid.other[1] = *tl++;
 		lp->nfsl_stateid.other[2] = *tl;
 	} else if (nd->nd_repstat == NFSERR_STALESTATEID)
 		nfscl_initiate_recovery(lp->nfsl_open->nfso_own->nfsow_clp);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * The actual Lock RPC.
  */
 int
 nfsrpc_lock(struct nfsrv_descript *nd, struct nfsmount *nmp, vnode_t vp,
     u_int8_t *nfhp, int fhlen, struct nfscllockowner *lp, int newone,
     int reclaim, u_int64_t off, u_int64_t len, short type, struct ucred *cred,
     NFSPROC_T *p, int syscred)
 {
 	u_int32_t *tl;
 	int error, size;
 	uint8_t own[NFSV4CL_LOCKNAMELEN + NFSX_V4FHMAX];
 	struct nfsclsession *tsep;
 
 	nfscl_reqstart(nd, NFSPROC_LOCK, nmp, nfhp, fhlen, NULL, NULL, 0, 0,
 	    cred);
 	NFSM_BUILD(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
 	if (type == F_RDLCK)
 		*tl++ = txdr_unsigned(NFSV4LOCKT_READ);
 	else
 		*tl++ = txdr_unsigned(NFSV4LOCKT_WRITE);
 	*tl++ = txdr_unsigned(reclaim);
 	txdr_hyper(off, tl);
 	tl += 2;
 	txdr_hyper(len, tl);
 	tl += 2;
 	if (newone) {
 	    *tl = newnfs_true;
 	    NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID +
 		2 * NFSX_UNSIGNED + NFSX_HYPER);
 	    *tl++ = txdr_unsigned(lp->nfsl_open->nfso_own->nfsow_seqid);
 	    if (NFSHASNFSV4N(nmp))
 		*tl++ = 0;
 	    else
 		*tl++ = lp->nfsl_open->nfso_stateid.seqid;
 	    *tl++ = lp->nfsl_open->nfso_stateid.other[0];
 	    *tl++ = lp->nfsl_open->nfso_stateid.other[1];
 	    *tl++ = lp->nfsl_open->nfso_stateid.other[2];
 	    *tl++ = txdr_unsigned(lp->nfsl_seqid);
 	    tsep = nfsmnt_mdssession(nmp);
 	    *tl++ = tsep->nfsess_clientid.lval[0];
 	    *tl = tsep->nfsess_clientid.lval[1];
 	    NFSBCOPY(lp->nfsl_owner, own, NFSV4CL_LOCKNAMELEN);
 	    NFSBCOPY(nfhp, &own[NFSV4CL_LOCKNAMELEN], fhlen);
 	    (void)nfsm_strtom(nd, own, NFSV4CL_LOCKNAMELEN + fhlen);
 	} else {
 	    *tl = newnfs_false;
 	    NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID + NFSX_UNSIGNED);
 	    if (NFSHASNFSV4N(nmp))
 		*tl++ = 0;
 	    else
 		*tl++ = lp->nfsl_stateid.seqid;
 	    *tl++ = lp->nfsl_stateid.other[0];
 	    *tl++ = lp->nfsl_stateid.other[1];
 	    *tl++ = lp->nfsl_stateid.other[2];
 	    *tl = txdr_unsigned(lp->nfsl_seqid);
 	    if (nfstest_outofseq &&
 		(arc4random() % nfstest_outofseq) == 0)
 		    *tl = txdr_unsigned(lp->nfsl_seqid + 1);
 	}
 	if (syscred)
 		nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, vp, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error)
 		return (error);
 	if (newone)
 	    NFSCL_INCRSEQID(lp->nfsl_open->nfso_own->nfsow_seqid, nd);
 	NFSCL_INCRSEQID(lp->nfsl_seqid, nd);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
 		lp->nfsl_stateid.seqid = *tl++;
 		lp->nfsl_stateid.other[0] = *tl++;
 		lp->nfsl_stateid.other[1] = *tl++;
 		lp->nfsl_stateid.other[2] = *tl;
 	} else if (nd->nd_repstat == NFSERR_DENIED) {
 		NFSM_DISSECT(tl, u_int32_t *, 8 * NFSX_UNSIGNED);
 		size = fxdr_unsigned(int, *(tl + 7));
 		if (size < 0 || size > NFSV4_OPAQUELIMIT)
 			error = EBADRPC;
 		if (!error)
 			error = nfsm_advance(nd, NFSM_RNDUP(size), -1);
 	} else if (nd->nd_repstat == NFSERR_STALESTATEID)
 		nfscl_initiate_recovery(lp->nfsl_open->nfso_own->nfsow_clp);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs statfs rpc
  * (always called with the vp for the mount point)
  */
 int
 nfsrpc_statfs(vnode_t vp, struct nfsstatfs *sbp, struct nfsfsinfo *fsp,
     uint32_t *leasep, uint32_t *cloneblksizep, struct ucred *cred, NFSPROC_T *p,
     struct nfsvattr *nap, int *attrflagp)
 {
 	u_int32_t *tl = NULL;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsmount *nmp;
 	nfsattrbit_t attrbits;
 	int error;
 
 	*attrflagp = 0;
 	if (cloneblksizep != NULL)
 		*cloneblksizep = 0;
 	nmp = VFSTONFS(vp->v_mount);
 	if (NFSHASNFSV4(nmp)) {
 		/*
 		 * For V4, you actually do a getattr.
 		 */
 		NFSCL_REQSTART(nd, NFSPROC_GETATTR, vp, cred);
 		if (leasep != NULL)
 			NFSROOTFS_GETATTRBIT(&attrbits);
 		else
 			NFSSTATFS_GETATTRBIT(&attrbits);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 		nd->nd_flag |= ND_USEGSSNAME;
 		error = nfscl_request(nd, vp, p, cred);
 		if (error)
 			return (error);
 		if (nd->nd_repstat == 0) {
 			error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0,
 			    NULL, NULL, sbp, fsp, NULL, 0, NULL, leasep, NULL,
 			    NULL, cloneblksizep, p, cred);
 			if (!error) {
 				nmp->nm_fsid[0] = nap->na_filesid[0];
 				nmp->nm_fsid[1] = nap->na_filesid[1];
 				NFSSETHASSETFSID(nmp);
 				*attrflagp = 1;
 			}
 		} else {
 			error = nd->nd_repstat;
 		}
 		if (error)
 			goto nfsmout;
 	} else {
 		NFSCL_REQSTART(nd, NFSPROC_FSSTAT, vp, NULL);
 		error = nfscl_request(nd, vp, p, cred);
 		if (error)
 			return (error);
 		if (nd->nd_flag & ND_NFSV3) {
 			error = nfscl_postop_attr(nd, nap, attrflagp);
 			if (error)
 				goto nfsmout;
 		}
 		if (nd->nd_repstat) {
 			error = nd->nd_repstat;
 			goto nfsmout;
 		}
 		NFSM_DISSECT(tl, u_int32_t *,
 		    NFSX_STATFS(nd->nd_flag & ND_NFSV3));
 	}
 	if (NFSHASNFSV3(nmp)) {
 		sbp->sf_tbytes = fxdr_hyper(tl); tl += 2;
 		sbp->sf_fbytes = fxdr_hyper(tl); tl += 2;
 		sbp->sf_abytes = fxdr_hyper(tl); tl += 2;
 		sbp->sf_tfiles = fxdr_hyper(tl); tl += 2;
 		sbp->sf_ffiles = fxdr_hyper(tl); tl += 2;
 		sbp->sf_afiles = fxdr_hyper(tl); tl += 2;
 		sbp->sf_invarsec = fxdr_unsigned(u_int32_t, *tl);
 	} else if (NFSHASNFSV4(nmp) == 0) {
 		sbp->sf_tsize = fxdr_unsigned(u_int32_t, *tl++);
 		sbp->sf_bsize = fxdr_unsigned(u_int32_t, *tl++);
 		sbp->sf_blocks = fxdr_unsigned(u_int32_t, *tl++);
 		sbp->sf_bfree = fxdr_unsigned(u_int32_t, *tl++);
 		sbp->sf_bavail = fxdr_unsigned(u_int32_t, *tl);
 	}
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs pathconf rpc
  */
 int
 nfsrpc_pathconf(vnode_t vp, struct nfsv3_pathconf *pc, bool *has_namedattrp,
     uint32_t *clone_blksizep, struct ucred *cred, NFSPROC_T *p,
     struct nfsvattr *nap, int *attrflagp)
 {
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsmount *nmp;
 	u_int32_t *tl;
 	nfsattrbit_t attrbits;
 	int error;
 	struct nfsnode *np;
 
 	*has_namedattrp = false;
 	*attrflagp = 0;
 	*clone_blksizep = 0;
 	nmp = VFSTONFS(vp->v_mount);
 	if (NFSHASNFSV4(nmp)) {
 		np = VTONFS(vp);
 		if ((nmp->nm_privflag & NFSMNTP_FAKEROOTFH) != 0 &&
 		    nmp->nm_fhsize == 0) {
 			/* Attempt to get the actual root file handle. */
 			error = nfsrpc_getdirpath(nmp, NFSMNT_DIRPATH(nmp),
 			    cred, p);
 			if (error != 0)
 				return (EACCES);
 			if (np->n_fhp->nfh_len == NFSX_FHMAX + 1)
 				nfscl_statfs(vp, cred, p);
 		}
 		/*
 		 * For V4, you actually do a getattr.
 		 */
 		NFSCL_REQSTART(nd, NFSPROC_GETATTR, vp, cred);
 		NFSPATHCONF_GETATTRBIT(&attrbits);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 		nd->nd_flag |= ND_USEGSSNAME;
 		error = nfscl_request(nd, vp, p, cred);
 		if (error)
 			return (error);
 		if (nd->nd_repstat == 0) {
 			error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0,
 			    pc, NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL,
 			    has_namedattrp, clone_blksizep, p, cred);
 			if (!error)
 				*attrflagp = 1;
 		} else {
 			error = nd->nd_repstat;
 		}
 	} else {
 		NFSCL_REQSTART(nd, NFSPROC_PATHCONF, vp, NULL);
 		error = nfscl_request(nd, vp, p, cred);
 		if (error)
 			return (error);
 		error = nfscl_postop_attr(nd, nap, attrflagp);
 		if (nd->nd_repstat && !error)
 			error = nd->nd_repstat;
 		if (!error) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_V3PATHCONF);
 			pc->pc_linkmax = fxdr_unsigned(u_int32_t, *tl++);
 			pc->pc_namemax = fxdr_unsigned(u_int32_t, *tl++);
 			pc->pc_notrunc = fxdr_unsigned(u_int32_t, *tl++);
 			pc->pc_chownrestricted =
 			    fxdr_unsigned(u_int32_t, *tl++);
 			pc->pc_caseinsensitive =
 			    fxdr_unsigned(u_int32_t, *tl++);
 			pc->pc_casepreserving = fxdr_unsigned(u_int32_t, *tl);
 		}
 	}
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs version 3 fsinfo rpc call
  */
 int
 nfsrpc_fsinfo(vnode_t vp, struct nfsfsinfo *fsp, struct ucred *cred,
     NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_FSINFO, vp, NULL);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	error = nfscl_postop_attr(nd, nap, attrflagp);
 	if (nd->nd_repstat && !error)
 		error = nd->nd_repstat;
 	if (!error) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_V3FSINFO);
 		fsp->fs_rtmax = fxdr_unsigned(u_int32_t, *tl++);
 		fsp->fs_rtpref = fxdr_unsigned(u_int32_t, *tl++);
 		fsp->fs_rtmult = fxdr_unsigned(u_int32_t, *tl++);
 		fsp->fs_wtmax = fxdr_unsigned(u_int32_t, *tl++);
 		fsp->fs_wtpref = fxdr_unsigned(u_int32_t, *tl++);
 		fsp->fs_wtmult = fxdr_unsigned(u_int32_t, *tl++);
 		fsp->fs_dtpref = fxdr_unsigned(u_int32_t, *tl++);
 		fsp->fs_maxfilesize = fxdr_hyper(tl);
 		tl += 2;
 		fxdr_nfsv3time(tl, &fsp->fs_timedelta);
 		tl += 2;
 		fsp->fs_properties = fxdr_unsigned(u_int32_t, *tl);
 	}
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * This function performs the Renew RPC.
  */
 int
 nfsrpc_renew(struct nfsclclient *clp, struct nfsclds *dsp, struct ucred *cred,
     NFSPROC_T *p)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	struct nfsmount *nmp;
 	int error;
 	struct nfssockreq *nrp;
 	struct nfsclsession *tsep;
 
 	nmp = clp->nfsc_nmp;
 	if (nmp == NULL)
 		return (0);
 	if (dsp == NULL)
 		nfscl_reqstart(nd, NFSPROC_RENEW, nmp, NULL, 0, NULL, NULL, 0,
 		    0, cred);
 	else
 		nfscl_reqstart(nd, NFSPROC_RENEW, nmp, NULL, 0, NULL,
 		    &dsp->nfsclds_sess, 0, 0, NULL);
 	if (!NFSHASNFSV4N(nmp)) {
 		/* NFSv4.1 just uses a Sequence Op and not a Renew. */
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		tsep = nfsmnt_mdssession(nmp);
 		*tl++ = tsep->nfsess_clientid.lval[0];
 		*tl = tsep->nfsess_clientid.lval[1];
 	}
 	nrp = NULL;
 	if (dsp != NULL)
 		nrp = dsp->nfsclds_sockp;
 	if (nrp == NULL)
 		/* If NULL, use the MDS socket. */
 		nrp = &nmp->nm_sockreq;
 	nd->nd_flag |= ND_USEGSSNAME;
 	if (dsp == NULL)
 		error = newnfs_request(nd, nmp, NULL, nrp, NULL, p, cred,
 		    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	else {
 		error = newnfs_request(nd, nmp, NULL, nrp, NULL, p, cred,
 		    NFS_PROG, NFS_VER4, NULL, 1, NULL, &dsp->nfsclds_sess);
 		if (error == ENXIO)
 			nfscl_cancelreqs(dsp);
 	}
 	if (error)
 		return (error);
 	error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * This function performs the Releaselockowner RPC.
  */
 int
 nfsrpc_rellockown(struct nfsmount *nmp, struct nfscllockowner *lp,
     uint8_t *fh, int fhlen, struct ucred *cred, NFSPROC_T *p)
 {
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	u_int32_t *tl;
 	int error;
 	uint8_t own[NFSV4CL_LOCKNAMELEN + NFSX_V4FHMAX];
 	struct nfsclsession *tsep;
 
 	if (NFSHASNFSV4N(nmp)) {
 		/* For NFSv4.1, do a FreeStateID. */
 		nfscl_reqstart(nd, NFSPROC_FREESTATEID, nmp, NULL, 0, NULL,
 		    NULL, 0, 0, cred);
 		nfsm_stateidtom(nd, &lp->nfsl_stateid, NFSSTATEID_PUTSTATEID);
 	} else {
 		nfscl_reqstart(nd, NFSPROC_RELEASELCKOWN, nmp, NULL, 0, NULL,
 		    NULL, 0, 0, NULL);
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		tsep = nfsmnt_mdssession(nmp);
 		*tl++ = tsep->nfsess_clientid.lval[0];
 		*tl = tsep->nfsess_clientid.lval[1];
 		NFSBCOPY(lp->nfsl_owner, own, NFSV4CL_LOCKNAMELEN);
 		NFSBCOPY(fh, &own[NFSV4CL_LOCKNAMELEN], fhlen);
 		(void)nfsm_strtom(nd, own, NFSV4CL_LOCKNAMELEN + fhlen);
 	}
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error)
 		return (error);
 	error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * This function performs the Compound to get the mount pt FH.
  */
 int
 nfsrpc_getdirpath(struct nfsmount *nmp, u_char *dirpath, struct ucred *cred,
     NFSPROC_T *p)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	u_char *cp, *cp2, *fhp;
 	int error, cnt, len, setnil;
 	u_int32_t *opcntp;
 
 	nfscl_reqstart(nd, NFSPROC_PUTROOTFH, nmp, NULL, 0, &opcntp, NULL, 0,
 	    0, NULL);
 	cp = dirpath;
 	cnt = 0;
 	do {
 		setnil = 0;
 		while (*cp == '/')
 			cp++;
 		cp2 = cp;
 		while (*cp2 != '\0' && *cp2 != '/')
 			cp2++;
 		if (*cp2 == '/') {
 			setnil = 1;
 			*cp2 = '\0';
 		}
 		if (cp2 != cp) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(NFSV4OP_LOOKUP);
 			nfsm_strtom(nd, cp, strlen(cp));
 			cnt++;
 		}
 		if (setnil)
 			*cp2++ = '/';
 		cp = cp2;
 	} while (*cp != '\0');
 	if (NFSHASNFSV4N(nmp))
 		/* Has a Sequence Op done by nfscl_reqstart(). */
 		*opcntp = txdr_unsigned(3 + cnt);
 	else
 		*opcntp = txdr_unsigned(2 + cnt);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETFH);
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 		NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, u_int32_t *, (3 + 2 * cnt) * NFSX_UNSIGNED);
 		tl += (2 + 2 * cnt);
 		if ((len = fxdr_unsigned(int, *tl)) <= 0 ||
 			len > NFSX_FHMAX) {
 			nd->nd_repstat = NFSERR_BADXDR;
 		} else {
 			fhp = malloc(len + 1, M_TEMP, M_WAITOK);
 			nd->nd_repstat = nfsrv_mtostr(nd, fhp, len);
 			if (nd->nd_repstat == 0) {
 				NFSLOCKMNT(nmp);
 				if (nmp->nm_fhsize == 0) {
 					NFSBCOPY(fhp, nmp->nm_fh, len);
 					nmp->nm_fhsize = len;
 				}
 				NFSUNLOCKMNT(nmp);
 			}
 			free(fhp, M_TEMP);
 		}
 	}
 	error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * This function performs the Delegreturn RPC.
  */
 int
 nfsrpc_delegreturn(struct nfscldeleg *dp, struct ucred *cred,
     struct nfsmount *nmp, NFSPROC_T *p, int syscred)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	int error;
 
 	nfscl_reqstart(nd, NFSPROC_DELEGRETURN, nmp, dp->nfsdl_fh,
 	    dp->nfsdl_fhlen, NULL, NULL, 0, 0, cred);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
 	if (NFSHASNFSV4N(nmp))
 		*tl++ = 0;
 	else
 		*tl++ = dp->nfsdl_stateid.seqid;
 	*tl++ = dp->nfsdl_stateid.other[0];
 	*tl++ = dp->nfsdl_stateid.other[1];
 	*tl = dp->nfsdl_stateid.other[2];
 	if (syscred)
 		nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error)
 		return (error);
 	error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs getacl call.
  */
 int
 nfsrpc_getacl(vnode_t vp, struct ucred *cred, NFSPROC_T *p, struct acl *aclp)
 {
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error;
 	nfsattrbit_t attrbits;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 
 	if (nfsrv_useacl == 0 || !NFSHASNFSV4(nmp))
 		return (EOPNOTSUPP);
 	NFSCL_REQSTART(nd, NFSPROC_GETACL, vp, cred);
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_ACL);
 	(void) nfsrv_putattrbit(nd, &attrbits);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	if (!nd->nd_repstat)
 		error = nfsv4_loadattr(nd, vp, NULL, NULL, NULL, 0, NULL,
 		    NULL, NULL, NULL, aclp, 0, NULL, NULL, NULL, NULL, NULL, p,
 		    cred);
 	else
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs setacl call.
  */
 int
 nfsrpc_setacl(vnode_t vp, struct ucred *cred, NFSPROC_T *p, struct acl *aclp)
 {
 	int error;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 
 	if (nfsrv_useacl == 0 || !NFSHASNFSV4(nmp))
 		return (EOPNOTSUPP);
 	error = nfsrpc_setattr(vp, NULL, aclp, cred, p, NULL, NULL);
 	return (error);
 }
 
 /*
  * nfs setacl call.
  */
 static int
 nfsrpc_setaclrpc(vnode_t vp, struct ucred *cred, NFSPROC_T *p,
     struct acl *aclp, nfsv4stateid_t *stateidp)
 {
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error;
 	nfsattrbit_t attrbits;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 
 	if (!NFSHASNFSV4(nmp))
 		return (EOPNOTSUPP);
 	NFSCL_REQSTART(nd, NFSPROC_SETACL, vp, cred);
 	nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_ACL);
 	(void) nfsv4_fillattr(nd, vp->v_mount, vp, aclp, NULL, NULL, 0,
 	    &attrbits, NULL, NULL, 0, 0, 0, 0, (uint64_t)0, NULL, false, false,
 	    false, 0);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error)
 		return (error);
 	/* Don't care about the pre/postop attributes */
 	m_freem(nd->nd_mrep);
 	return (nd->nd_repstat);
 }
 
 /*
  * Do the NFSv4.1 Exchange ID.
  */
 int
 nfsrpc_exchangeid(struct nfsmount *nmp, struct nfsclclient *clp,
     struct nfssockreq *nrp, int minorvers, uint32_t exchflags,
     struct nfsclds **dspp, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl, v41flags;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	struct nfsclds *dsp;
 	struct timespec verstime;
 	int error, len;
 
 	*dspp = NULL;
 	if (minorvers == 0)
 		minorvers = nmp->nm_minorvers;
 	nfscl_reqstart(nd, NFSPROC_EXCHANGEID, nmp, NULL, 0, NULL, NULL,
 	    NFS_VER4, minorvers, NULL);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(nfsboottime.tv_sec);	/* Client owner */
 	*tl = txdr_unsigned(clp->nfsc_rev);
 	(void) nfsm_strtom(nd, clp->nfsc_id, clp->nfsc_idlen);
 
 	NFSM_BUILD(tl, uint32_t *, 3 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(exchflags);
 	*tl++ = txdr_unsigned(NFSV4EXCH_SP4NONE);
 
 	/* Set the implementation id4 */
 	*tl = txdr_unsigned(1);
 	(void) nfsm_strtom(nd, "freebsd.org", strlen("freebsd.org"));
 	(void) nfsm_strtom(nd, version, strlen(version));
 	NFSM_BUILD(tl, uint32_t *, NFSX_V4TIME);
 	verstime.tv_sec = 1293840000;		/* Jan 1, 2011 */
 	verstime.tv_nsec = 0;
 	txdr_nfsv4time(&verstime, tl);
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, nrp, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	NFSCL_DEBUG(1, "exchangeid err=%d reps=%d\n", error,
 	    (int)nd->nd_repstat);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 6 * NFSX_UNSIGNED + NFSX_HYPER);
 		len = fxdr_unsigned(int, *(tl + 7));
 		if (len < 0 || len > NFSV4_OPAQUELIMIT) {
 			error = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 		dsp = malloc(sizeof(struct nfsclds) + len + 1, M_NFSCLDS,
 		    M_WAITOK | M_ZERO);
 		dsp->nfsclds_expire = NFSD_MONOSEC + clp->nfsc_renew;
 		dsp->nfsclds_servownlen = len;
 		dsp->nfsclds_sess.nfsess_clientid.lval[0] = *tl++;
 		dsp->nfsclds_sess.nfsess_clientid.lval[1] = *tl++;
 		dsp->nfsclds_sess.nfsess_sequenceid =
 		    fxdr_unsigned(uint32_t, *tl++);
 		v41flags = fxdr_unsigned(uint32_t, *tl);
 		if ((v41flags & NFSV4EXCH_USEPNFSMDS) != 0 &&
 		    NFSHASPNFSOPT(nmp)) {
 			NFSCL_DEBUG(1, "set PNFS\n");
 			NFSLOCKMNT(nmp);
 			nmp->nm_state |= NFSSTA_PNFS;
 			NFSUNLOCKMNT(nmp);
 			dsp->nfsclds_flags |= NFSCLDS_MDS;
 		}
 		if ((v41flags & NFSV4EXCH_USEPNFSDS) != 0)
 			dsp->nfsclds_flags |= NFSCLDS_DS;
 		if (minorvers == NFSV42_MINORVERSION)
 			dsp->nfsclds_flags |= NFSCLDS_MINORV2;
 		if (len > 0)
 			nd->nd_repstat = nfsrv_mtostr(nd,
 			    dsp->nfsclds_serverown, len);
 		if (nd->nd_repstat == 0) {
 			mtx_init(&dsp->nfsclds_mtx, "nfsds", NULL, MTX_DEF);
 			mtx_init(&dsp->nfsclds_sess.nfsess_mtx, "nfssession",
 			    NULL, MTX_DEF);
 			nfscl_initsessionslots(&dsp->nfsclds_sess);
 			*dspp = dsp;
 		} else
 			free(dsp, M_NFSCLDS);
 	}
 	error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do the NFSv4.1 Create Session.
  */
 int
 nfsrpc_createsession(struct nfsmount *nmp, struct nfsclsession *sep,
     struct nfssockreq *nrp, struct nfsclds *dsp, uint32_t sequenceid, int mds,
     struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t crflags, maxval, *tl;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	int error, irdcnt, minorvers;
 
 	/* Make sure nm_rsize, nm_wsize is set. */
 	if (nmp->nm_rsize > NFS_MAXBSIZE || nmp->nm_rsize == 0)
 		nmp->nm_rsize = NFS_MAXBSIZE;
 	if (nmp->nm_wsize > NFS_MAXBSIZE || nmp->nm_wsize == 0)
 		nmp->nm_wsize = NFS_MAXBSIZE;
 	if (dsp == NULL)
 		minorvers = nmp->nm_minorvers;
 	else if ((dsp->nfsclds_flags & NFSCLDS_MINORV2) != 0)
 		minorvers = NFSV42_MINORVERSION;
 	else
 		minorvers = NFSV41_MINORVERSION;
 	nfscl_reqstart(nd, NFSPROC_CREATESESSION, nmp, NULL, 0, NULL, NULL,
 	    NFS_VER4, minorvers, NULL);
 	NFSM_BUILD(tl, uint32_t *, 4 * NFSX_UNSIGNED);
 	*tl++ = sep->nfsess_clientid.lval[0];
 	*tl++ = sep->nfsess_clientid.lval[1];
 	*tl++ = txdr_unsigned(sequenceid);
 	crflags = (NFSMNT_RDONLY(nmp->nm_mountp) ? 0 : NFSV4CRSESS_PERSIST);
 	if (nfscl_enablecallb != 0 && nfs_numnfscbd > 0 && mds != 0)
 		crflags |= NFSV4CRSESS_CONNBACKCHAN;
 	*tl = txdr_unsigned(crflags);
 
 	/* Fill in fore channel attributes. */
 	NFSM_BUILD(tl, uint32_t *, 7 * NFSX_UNSIGNED);
 	*tl++ = 0;				/* Header pad size */
 	if ((nd->nd_flag & ND_NFSV42) != 0 && mds != 0 && sb_max_adj >=
 	    nmp->nm_wsize && sb_max_adj >= nmp->nm_rsize) {
 		/*
 		 * NFSv4.2 Extended Attribute operations may want to do
 		 * requests/replies that are larger than nm_rsize/nm_wsize.
 		 */
 		*tl++ = txdr_unsigned(sb_max_adj - NFS_MAXXDR);
 		*tl++ = txdr_unsigned(sb_max_adj - NFS_MAXXDR);
 	} else {
 		*tl++ = txdr_unsigned(nmp->nm_wsize + NFS_MAXXDR);
 		*tl++ = txdr_unsigned(nmp->nm_rsize + NFS_MAXXDR);
 	}
 	*tl++ = txdr_unsigned(4096);		/* Max response size cached */
 	*tl++ = txdr_unsigned(20);		/* Max operations */
 	*tl++ = txdr_unsigned(64);		/* Max slots */
 	*tl = 0;				/* No rdma ird */
 
 	/* Fill in back channel attributes. */
 	NFSM_BUILD(tl, uint32_t *, 7 * NFSX_UNSIGNED);
 	*tl++ = 0;				/* Header pad size */
 	*tl++ = txdr_unsigned(10000);		/* Max request size */
 	*tl++ = txdr_unsigned(10000);		/* Max response size */
 	*tl++ = txdr_unsigned(4096);		/* Max response size cached */
 	*tl++ = txdr_unsigned(4);		/* Max operations */
 	*tl++ = txdr_unsigned(NFSV4_CBSLOTS);	/* Max slots */
 	*tl = 0;				/* No rdma ird */
 
 	NFSM_BUILD(tl, uint32_t *, 8 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(NFS_CALLBCKPROG);	/* Call back prog # */
 
 	/* Allow AUTH_SYS callbacks as uid, gid == 0. */
 	*tl++ = txdr_unsigned(1);		/* Auth_sys only */
 	*tl++ = txdr_unsigned(AUTH_SYS);	/* AUTH_SYS type */
 	*tl++ = txdr_unsigned(nfsboottime.tv_sec); /* time stamp */
 	*tl++ = 0;				/* Null machine name */
 	*tl++ = 0;				/* Uid == 0 */
 	*tl++ = 0;				/* Gid == 0 */
 	*tl = 0;				/* No additional gids */
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, nrp, NULL, p, cred, NFS_PROG,
 	    NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_V4SESSIONID +
 		    2 * NFSX_UNSIGNED);
 		bcopy(tl, sep->nfsess_sessionid, NFSX_V4SESSIONID);
 		tl += NFSX_V4SESSIONID / NFSX_UNSIGNED;
 		sep->nfsess_sequenceid = fxdr_unsigned(uint32_t, *tl++);
 		crflags = fxdr_unsigned(uint32_t, *tl);
 		if ((crflags & NFSV4CRSESS_PERSIST) != 0 && mds != 0) {
 			NFSLOCKMNT(nmp);
 			nmp->nm_state |= NFSSTA_SESSPERSIST;
 			NFSUNLOCKMNT(nmp);
 		}
 
 		/* Get the fore channel slot count. */
 		NFSM_DISSECT(tl, uint32_t *, 7 * NFSX_UNSIGNED);
 		tl++;			/* Skip the header pad size. */
 
 		/* Make sure nm_wsize is small enough. */
 		maxval = fxdr_unsigned(uint32_t, *tl++);
 		while (maxval < nmp->nm_wsize + NFS_MAXXDR) {
 			if (nmp->nm_wsize > 8096)
 				nmp->nm_wsize /= 2;
 			else
 				break;
 		}
 		sep->nfsess_maxreq = maxval;
 
 		/* Make sure nm_rsize is small enough. */
 		maxval = fxdr_unsigned(uint32_t, *tl++);
 		while (maxval < nmp->nm_rsize + NFS_MAXXDR) {
 			if (nmp->nm_rsize > 8096)
 				nmp->nm_rsize /= 2;
 			else
 				break;
 		}
 		sep->nfsess_maxresp = maxval;
 
 		sep->nfsess_maxcache = fxdr_unsigned(int, *tl++);
 		tl++;
 		sep->nfsess_foreslots = fxdr_unsigned(uint16_t, *tl++);
 		NFSCL_DEBUG(4, "fore slots=%d\n", (int)sep->nfsess_foreslots);
 		irdcnt = fxdr_unsigned(int, *tl);
 		if (irdcnt < 0 || irdcnt > 1) {
 			error = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 		if (irdcnt > 0)
 			NFSM_DISSECT(tl, uint32_t *, irdcnt * NFSX_UNSIGNED);
 
 		/* and the back channel slot count. */
 		NFSM_DISSECT(tl, uint32_t *, 7 * NFSX_UNSIGNED);
 		tl += 5;
 		sep->nfsess_backslots = fxdr_unsigned(uint16_t, *tl);
 		NFSCL_DEBUG(4, "back slots=%d\n", (int)sep->nfsess_backslots);
 	}
 	error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do the NFSv4.1 Destroy Client.
  */
 int
 nfsrpc_destroyclient(struct nfsmount *nmp, struct nfsclclient *clp,
     struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	int error;
 	struct nfsclsession *tsep;
 
 	nfscl_reqstart(nd, NFSPROC_DESTROYCLIENT, nmp, NULL, 0, NULL, NULL, 0,
 	    0, NULL);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	tsep = nfsmnt_mdssession(nmp);
 	*tl++ = tsep->nfsess_clientid.lval[0];
 	*tl = tsep->nfsess_clientid.lval[1];
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0)
 		return (error);
 	error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do the NFSv4.1 LayoutGet.
  */
 static int
 nfsrpc_layoutget(struct nfsmount *nmp, uint8_t *fhp, int fhlen, int iomode,
     uint64_t offset, uint64_t len, uint64_t minlen, int layouttype,
     int layoutlen, nfsv4stateid_t *stateidp, int *retonclosep,
     struct nfsclflayouthead *flhp, struct ucred *cred, NFSPROC_T *p)
 {
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error;
 
 	nfscl_reqstart(nd, NFSPROC_LAYOUTGET, nmp, fhp, fhlen, NULL, NULL, 0,
 	    0, cred);
 	nfsrv_setuplayoutget(nd, iomode, offset, len, minlen, stateidp,
 	    layouttype, layoutlen, 0);
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	NFSCL_DEBUG(4, "layget err=%d st=%d\n", error, nd->nd_repstat);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0)
 		error = nfsrv_parselayoutget(nmp, nd, stateidp, retonclosep,
 		    flhp);
 	if (error == 0 && nd->nd_repstat != 0)
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do the NFSv4.1 Get Device Info.
  */
 int
 nfsrpc_getdeviceinfo(struct nfsmount *nmp, uint8_t *deviceid, int layouttype,
     uint32_t *notifybitsp, struct nfscldevinfo **ndip, struct ucred *cred,
     NFSPROC_T *p)
 {
 	uint32_t cnt, *tl, vers, minorvers;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	struct sockaddr_in sin, ssin;
 	struct sockaddr_in6 sin6, ssin6;
 	struct nfsclds *dsp = NULL, **dspp, **gotdspp;
 	struct nfscldevinfo *ndi;
 	int addrcnt = 0, bitcnt, error, gotminor, gotvers, i, isudp, j;
 	int stripecnt;
 	uint8_t stripeindex;
 	sa_family_t af, safilled;
 
 	ssin.sin_port = 0;		/* To shut up compiler. */
 	ssin.sin_addr.s_addr = 0;	/* ditto */
 	*ndip = NULL;
 	ndi = NULL;
 	gotdspp = NULL;
 	nfscl_reqstart(nd, NFSPROC_GETDEVICEINFO, nmp, NULL, 0, NULL, NULL, 0,
 	    0, cred);
 	NFSM_BUILD(tl, uint32_t *, NFSX_V4DEVICEID + 3 * NFSX_UNSIGNED);
 	NFSBCOPY(deviceid, tl, NFSX_V4DEVICEID);
 	tl += (NFSX_V4DEVICEID / NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(layouttype);
 	*tl++ = txdr_unsigned(100000);
 	if (notifybitsp != NULL && *notifybitsp != 0) {
 		*tl = txdr_unsigned(1);		/* One word of bits. */
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(*notifybitsp);
 	} else
 		*tl = txdr_unsigned(0);
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (layouttype != fxdr_unsigned(int, *tl))
 			printf("EEK! devinfo layout type not same!\n");
 		if (layouttype == NFSLAYOUT_NFSV4_1_FILES) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			stripecnt = fxdr_unsigned(int, *tl);
 			NFSCL_DEBUG(4, "stripecnt=%d\n", stripecnt);
 			if (stripecnt < 1 || stripecnt > 4096) {
 				printf("pNFS File layout devinfo stripecnt %d:"
 				    " out of range\n", stripecnt);
 				error = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 			NFSM_DISSECT(tl, uint32_t *, (stripecnt + 1) *
 			    NFSX_UNSIGNED);
 			addrcnt = fxdr_unsigned(int, *(tl + stripecnt));
 			NFSCL_DEBUG(4, "addrcnt=%d\n", addrcnt);
 			if (addrcnt < 1 || addrcnt > 128) {
 				printf("NFS devinfo addrcnt %d: out of range\n",
 				    addrcnt);
 				error = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 
 			/*
 			 * Now we know how many stripe indices and addresses, so
 			 * we can allocate the structure the correct size.
 			 */
 			i = (stripecnt * sizeof(uint8_t)) /
 			    sizeof(struct nfsclds *) + 1;
 			NFSCL_DEBUG(4, "stripeindices=%d\n", i);
 			ndi = malloc(sizeof(*ndi) + (addrcnt + i) *
 			    sizeof(struct nfsclds *), M_NFSDEVINFO, M_WAITOK |
 			    M_ZERO);
 			NFSBCOPY(deviceid, ndi->nfsdi_deviceid,
 			    NFSX_V4DEVICEID);
 			ndi->nfsdi_refcnt = 0;
 			ndi->nfsdi_flags = NFSDI_FILELAYOUT;
 			ndi->nfsdi_stripecnt = stripecnt;
 			ndi->nfsdi_addrcnt = addrcnt;
 			/* Fill in the stripe indices. */
 			for (i = 0; i < stripecnt; i++) {
 				stripeindex = fxdr_unsigned(uint8_t, *tl++);
 				NFSCL_DEBUG(4, "stripeind=%d\n", stripeindex);
 				if (stripeindex >= addrcnt) {
 					printf("pNFS File Layout devinfo"
 					    " stripeindex %d: too big\n",
 					    (int)stripeindex);
 					error = NFSERR_BADXDR;
 					goto nfsmout;
 				}
 				nfsfldi_setstripeindex(ndi, i, stripeindex);
 			}
 		} else if (layouttype == NFSLAYOUT_FLEXFILE) {
 			/* For Flex File, we only get one address list. */
 			ndi = malloc(sizeof(*ndi) + sizeof(struct nfsclds *),
 			    M_NFSDEVINFO, M_WAITOK | M_ZERO);
 			NFSBCOPY(deviceid, ndi->nfsdi_deviceid,
 			    NFSX_V4DEVICEID);
 			ndi->nfsdi_refcnt = 0;
 			ndi->nfsdi_flags = NFSDI_FLEXFILE;
 			addrcnt = ndi->nfsdi_addrcnt = 1;
 		}
 
 		/* Now, dissect the server address(es). */
 		safilled = AF_UNSPEC;
 		for (i = 0; i < addrcnt; i++) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			cnt = fxdr_unsigned(uint32_t, *tl);
 			if (cnt == 0) {
 				printf("NFS devinfo 0 len addrlist\n");
 				error = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 			dspp = nfsfldi_addr(ndi, i);
 			safilled = AF_UNSPEC;
 			for (j = 0; j < cnt; j++) {
 				error = nfsv4_getipaddr(nd, &sin, &sin6, &af,
 				    &isudp);
 				if (error != 0 && error != EPERM) {
 					error = NFSERR_BADXDR;
 					goto nfsmout;
 				}
 				if (error == 0 && isudp == 0) {
 					/*
 					 * The priority is:
 					 * - Same address family.
 					 * Save the address and dspp, so that
 					 * the connection can be done after
 					 * parsing is complete.
 					 */
 					if (safilled == AF_UNSPEC ||
 					    (af == nmp->nm_nam->sa_family &&
 					     safilled != nmp->nm_nam->sa_family)
 					   ) {
 						if (af == AF_INET)
 							ssin = sin;
 						else
 							ssin6 = sin6;
 						safilled = af;
 						gotdspp = dspp;
 					}
 				}
 			}
 		}
 
 		gotvers = NFS_VER4;	/* Default NFSv4.1 for File Layout. */
 		gotminor = NFSV41_MINORVERSION;
 		/* For Flex File, we will take one of the versions to use. */
 		if (layouttype == NFSLAYOUT_FLEXFILE) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			j = fxdr_unsigned(int, *tl);
 			if (j < 1 || j > NFSDEV_MAXVERS) {
 				printf("pNFS: too many versions\n");
 				error = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 			gotvers = 0;
 			gotminor = 0;
 			for (i = 0; i < j; i++) {
 				NFSM_DISSECT(tl, uint32_t *, 5 * NFSX_UNSIGNED);
 				vers = fxdr_unsigned(uint32_t, *tl++);
 				minorvers = fxdr_unsigned(uint32_t, *tl++);
 				if (vers == NFS_VER3)
 					minorvers = 0;
 				if ((vers == NFS_VER4 && ((minorvers ==
 				    NFSV41_MINORVERSION && gotminor == 0) ||
 				    minorvers == NFSV42_MINORVERSION)) ||
 				    (vers == NFS_VER3 && gotvers == 0)) {
 					gotvers = vers;
 					gotminor = minorvers;
 					/* We'll take this one. */
 					ndi->nfsdi_versindex = i;
 					ndi->nfsdi_vers = vers;
 					ndi->nfsdi_minorvers = minorvers;
 					ndi->nfsdi_rsize = fxdr_unsigned(
 					    uint32_t, *tl++);
 					ndi->nfsdi_wsize = fxdr_unsigned(
 					    uint32_t, *tl++);
 					if (*tl == newnfs_true)
 						ndi->nfsdi_flags |=
 						    NFSDI_TIGHTCOUPLED;
 					else
 						ndi->nfsdi_flags &=
 						    ~NFSDI_TIGHTCOUPLED;
 				}
 			}
 			if (gotvers == 0) {
 				printf("pNFS: no NFSv3, NFSv4.1 or NFSv4.2\n");
 				error = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 		}
 
 		/* And the notify bits. */
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		bitcnt = fxdr_unsigned(int, *tl);
 		if (bitcnt > 0) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			if (notifybitsp != NULL)
 				*notifybitsp =
 				    fxdr_unsigned(uint32_t, *tl);
 		}
 		if (safilled != AF_UNSPEC) {
 			KASSERT(ndi != NULL, ("ndi is NULL"));
 			*ndip = ndi;
 		} else
 			error = EPERM;
 		if (error == 0) {
 			/*
 			 * Now we can do a TCP connection for the correct
 			 * NFS version and IP address.
 			 */
 			error = nfsrpc_fillsa(nmp, &ssin, &ssin6, safilled,
 			    gotvers, gotminor, &dsp, p);
 		}
 		if (error == 0) {
 			KASSERT(gotdspp != NULL, ("gotdspp is NULL"));
 			*gotdspp = dsp;
 		}
 	}
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	if (error != 0 && ndi != NULL)
 		nfscl_freedevinfo(ndi);
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do the NFSv4.1 LayoutCommit.
  */
 int
 nfsrpc_layoutcommit(struct nfsmount *nmp, uint8_t *fh, int fhlen, int reclaim,
     uint64_t off, uint64_t len, uint64_t lastbyte, nfsv4stateid_t *stateidp,
     int layouttype, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error;
 
 	nfscl_reqstart(nd, NFSPROC_LAYOUTCOMMIT, nmp, fh, fhlen, NULL, NULL,
 	    0, 0, cred);
 	NFSM_BUILD(tl, uint32_t *, 5 * NFSX_UNSIGNED + 3 * NFSX_HYPER +
 	    NFSX_STATEID);
 	txdr_hyper(off, tl);
 	tl += 2;
 	txdr_hyper(len, tl);
 	tl += 2;
 	if (reclaim != 0)
 		*tl++ = newnfs_true;
 	else
 		*tl++ = newnfs_false;
 	*tl++ = txdr_unsigned(stateidp->seqid);
 	*tl++ = stateidp->other[0];
 	*tl++ = stateidp->other[1];
 	*tl++ = stateidp->other[2];
 	*tl++ = newnfs_true;
 	if (lastbyte < off)
 		lastbyte = off;
 	else if (lastbyte >= (off + len))
 		lastbyte = off + len - 1;
 	txdr_hyper(lastbyte, tl);
 	tl += 2;
 	*tl++ = newnfs_false;
 	*tl++ = txdr_unsigned(layouttype);
 	/* All supported layouts are 0 length. */
 	*tl = txdr_unsigned(0);
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0)
 		return (error);
 	error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do the NFSv4.1 LayoutReturn.
  */
 int
 nfsrpc_layoutreturn(struct nfsmount *nmp, uint8_t *fh, int fhlen, int reclaim,
     int layouttype, uint32_t iomode, int layoutreturn, uint64_t offset,
     uint64_t len, nfsv4stateid_t *stateidp, struct ucred *cred, NFSPROC_T *p,
     uint32_t stat, uint32_t op, char *devid)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	uint64_t tu64;
 	int error;
 
 	nfscl_reqstart(nd, NFSPROC_LAYOUTRETURN, nmp, fh, fhlen, NULL, NULL,
 	    0, 0, cred);
 	NFSM_BUILD(tl, uint32_t *, 4 * NFSX_UNSIGNED);
 	if (reclaim != 0)
 		*tl++ = newnfs_true;
 	else
 		*tl++ = newnfs_false;
 	*tl++ = txdr_unsigned(layouttype);
 	*tl++ = txdr_unsigned(iomode);
 	*tl = txdr_unsigned(layoutreturn);
 	if (layoutreturn == NFSLAYOUTRETURN_FILE) {
 		NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_STATEID +
 		    NFSX_UNSIGNED);
 		txdr_hyper(offset, tl);
 		tl += 2;
 		txdr_hyper(len, tl);
 		tl += 2;
 		NFSCL_DEBUG(4, "layoutret stseq=%d\n", (int)stateidp->seqid);
 		*tl++ = txdr_unsigned(stateidp->seqid);
 		*tl++ = stateidp->other[0];
 		*tl++ = stateidp->other[1];
 		*tl++ = stateidp->other[2];
 		if (layouttype == NFSLAYOUT_NFSV4_1_FILES)
 			*tl = txdr_unsigned(0);
 		else if (layouttype == NFSLAYOUT_FLEXFILE) {
 			if (stat != 0) {
 				*tl = txdr_unsigned(2 * NFSX_HYPER +
 				    NFSX_STATEID + NFSX_V4DEVICEID + 5 *
 				    NFSX_UNSIGNED);
 				NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER +
 				    NFSX_STATEID + NFSX_V4DEVICEID + 5 *
 				    NFSX_UNSIGNED);
 				*tl++ = txdr_unsigned(1);	/* One error. */
 				tu64 = 0;			/* Offset. */
 				txdr_hyper(tu64, tl); tl += 2;
 				tu64 = UINT64_MAX;		/* Length. */
 				txdr_hyper(tu64, tl); tl += 2;
 				NFSBCOPY(stateidp, tl, NFSX_STATEID);
 				tl += (NFSX_STATEID / NFSX_UNSIGNED);
 				*tl++ = txdr_unsigned(1);	/* One error. */
 				NFSBCOPY(devid, tl, NFSX_V4DEVICEID);
 				tl += (NFSX_V4DEVICEID / NFSX_UNSIGNED);
 				*tl++ = txdr_unsigned(stat);
 				*tl++ = txdr_unsigned(op);
 			} else {
 				*tl = txdr_unsigned(2 * NFSX_UNSIGNED);
 				NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 				/* No ioerrs. */
 				*tl++ = 0;
 			}
 			*tl = 0;	/* No stats yet. */
 		}
 	}
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		if (*tl != 0) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID);
 			stateidp->seqid = fxdr_unsigned(uint32_t, *tl++);
 			stateidp->other[0] = *tl++;
 			stateidp->other[1] = *tl++;
 			stateidp->other[2] = *tl;
 		}
 	} else
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Do the NFSv4.2 LayoutError.
  */
 static int
 nfsrpc_layouterror(struct nfsmount *nmp, uint8_t *fh, int fhlen, uint64_t offset,
     uint64_t len, nfsv4stateid_t *stateidp, struct ucred *cred, NFSPROC_T *p,
     uint32_t stat, uint32_t op, char *devid)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	int error;
 
 	nfscl_reqstart(nd, NFSPROC_LAYOUTERROR, nmp, fh, fhlen, NULL, NULL,
 	    0, 0, cred);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_STATEID +
 	    NFSX_V4DEVICEID + 3 * NFSX_UNSIGNED);
 	txdr_hyper(offset, tl); tl += 2;
 	txdr_hyper(len, tl); tl += 2;
 	*tl++ = txdr_unsigned(stateidp->seqid);
 	*tl++ = stateidp->other[0];
 	*tl++ = stateidp->other[1];
 	*tl++ = stateidp->other[2];
 	*tl++ = txdr_unsigned(1);
 	NFSBCOPY(devid, tl, NFSX_V4DEVICEID);
 	tl += (NFSX_V4DEVICEID / NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(stat);
 	*tl = txdr_unsigned(op);
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat != 0)
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Acquire a layout and devinfo, if possible. The caller must have acquired
  * a reference count on the nfsclclient structure before calling this.
  * Return the layout in lypp with a reference count on it, if successful.
  */
 static int
 nfsrpc_getlayout(struct nfsmount *nmp, vnode_t vp, struct nfsfh *nfhp,
     int iomode, uint32_t rw, uint32_t *notifybitsp, nfsv4stateid_t *stateidp,
     uint64_t off, struct nfscllayout **lypp, struct ucred *cred, NFSPROC_T *p)
 {
 	struct nfscllayout *lyp;
 	struct nfsclflayout *flp;
 	struct nfsclflayouthead flh;
 	int error = 0, islocked, layoutlen, layouttype, recalled, retonclose;
 	nfsv4stateid_t stateid;
 	struct nfsclsession *tsep;
 
 	*lypp = NULL;
 	if (NFSHASFLEXFILE(nmp))
 		layouttype = NFSLAYOUT_FLEXFILE;
 	else
 		layouttype = NFSLAYOUT_NFSV4_1_FILES;
 	/*
 	 * If lyp is returned non-NULL, there will be a refcnt (shared lock)
 	 * on it, iff flp != NULL or a lock (exclusive lock) on it iff
 	 * flp == NULL.
 	 */
 	lyp = nfscl_getlayout(nmp->nm_clp, nfhp->nfh_fh, nfhp->nfh_len,
 	    off, rw, &flp, &recalled);
 	islocked = 0;
 	if (lyp == NULL || flp == NULL) {
 		if (recalled != 0)
 			return (EIO);
 		LIST_INIT(&flh);
 		tsep = nfsmnt_mdssession(nmp);
 		layoutlen = tsep->nfsess_maxcache -
 		    (NFSX_STATEID + 3 * NFSX_UNSIGNED);
 		if (lyp == NULL) {
 			stateid.seqid = 0;
 			stateid.other[0] = stateidp->other[0];
 			stateid.other[1] = stateidp->other[1];
 			stateid.other[2] = stateidp->other[2];
 			error = nfsrpc_layoutget(nmp, nfhp->nfh_fh,
 			    nfhp->nfh_len, iomode, (uint64_t)0, UINT64_MAX,
 			    (uint64_t)0, layouttype, layoutlen, &stateid,
 			    &retonclose, &flh, cred, p);
 		} else {
 			islocked = 1;
 			stateid.seqid = lyp->nfsly_stateid.seqid;
 			stateid.other[0] = lyp->nfsly_stateid.other[0];
 			stateid.other[1] = lyp->nfsly_stateid.other[1];
 			stateid.other[2] = lyp->nfsly_stateid.other[2];
 			error = nfsrpc_layoutget(nmp, nfhp->nfh_fh,
 			    nfhp->nfh_len, iomode, off, UINT64_MAX,
 			    (uint64_t)0, layouttype, layoutlen, &stateid,
 			    &retonclose, &flh, cred, p);
 		}
 		error = nfsrpc_layoutgetres(nmp, vp, nfhp->nfh_fh,
 		    nfhp->nfh_len, &stateid, retonclose, notifybitsp, &lyp,
 		    &flh, layouttype, error, NULL, cred, p);
 		if (error == 0)
 			*lypp = lyp;
 		else if (islocked != 0)
 			nfscl_rellayout(lyp, 1);
 	} else
 		*lypp = lyp;
 	return (error);
 }
 
 /*
  * Do a TCP connection plus exchange id and create session.
  * If successful, a "struct nfsclds" is linked into the list for the
  * mount point and a pointer to it is returned.
  */
 static int
 nfsrpc_fillsa(struct nfsmount *nmp, struct sockaddr_in *sin,
     struct sockaddr_in6 *sin6, sa_family_t af, int vers, int minorvers,
     struct nfsclds **dspp, NFSPROC_T *p)
 {
 	struct sockaddr_in *msad, *sad;
 	struct sockaddr_in6 *msad6, *sad6;
 	struct nfsclclient *clp;
 	struct nfssockreq *nrp;
 	struct nfsclds *dsp, *tdsp;
 	int error, firsttry;
 	enum nfsclds_state retv;
 	uint32_t sequenceid = 0;
 
 	KASSERT(nmp->nm_sockreq.nr_cred != NULL,
 	    ("nfsrpc_fillsa: NULL nr_cred"));
 	NFSLOCKCLSTATE();
 	clp = nmp->nm_clp;
 	NFSUNLOCKCLSTATE();
 	if (clp == NULL)
 		return (EPERM);
 	if (af == AF_INET) {
 		NFSLOCKMNT(nmp);
 		/*
 		 * Check to see if we already have a session for this
 		 * address that is usable for a DS.
 		 * Note that the MDS's address is in a different place
 		 * than the sessions already acquired for DS's.
 		 */
 		msad = (struct sockaddr_in *)nmp->nm_sockreq.nr_nam;
 		tdsp = TAILQ_FIRST(&nmp->nm_sess);
 		while (tdsp != NULL) {
 			if (msad != NULL && msad->sin_family == AF_INET &&
 			    sin->sin_addr.s_addr == msad->sin_addr.s_addr &&
 			    sin->sin_port == msad->sin_port &&
 			    (tdsp->nfsclds_flags & NFSCLDS_DS) != 0 &&
 			    tdsp->nfsclds_sess.nfsess_defunct == 0) {
 				*dspp = tdsp;
 				NFSUNLOCKMNT(nmp);
 				NFSCL_DEBUG(4, "fnd same addr\n");
 				return (0);
 			}
 			tdsp = TAILQ_NEXT(tdsp, nfsclds_list);
 			if (tdsp != NULL && tdsp->nfsclds_sockp != NULL)
 				msad = (struct sockaddr_in *)
 				    tdsp->nfsclds_sockp->nr_nam;
 			else
 				msad = NULL;
 		}
 		NFSUNLOCKMNT(nmp);
 
 		/* No IP address match, so look for new/trunked one. */
 		sad = malloc(sizeof(*sad), M_SONAME, M_WAITOK | M_ZERO);
 		sad->sin_len = sizeof(*sad);
 		sad->sin_family = AF_INET;
 		sad->sin_port = sin->sin_port;
 		sad->sin_addr.s_addr = sin->sin_addr.s_addr;
 		if (NFSHASPNFS(nmp) && NFSHASKERB(nmp)) {
 			/* For pNFS, a separate server principal is needed. */
 			nrp = malloc(sizeof(*nrp) + NI_MAXSERV + NI_MAXHOST,
 			    M_NFSSOCKREQ, M_WAITOK | M_ZERO);
 			/*
 			 * Use the latter part of nr_srvprinc as a temporary
 			 * buffer for the IP address.
 			 */
 			inet_ntoa_r(sad->sin_addr,
 			    &nrp->nr_srvprinc[NI_MAXSERV]);
 			NFSCL_DEBUG(1, "nfsrpc_fillsa: DS IP=%s\n",
 			    &nrp->nr_srvprinc[NI_MAXSERV]);
 			if (!rpc_gss_ip_to_srv_principal_call(
 			    &nrp->nr_srvprinc[NI_MAXSERV], "nfs",
 			    nrp->nr_srvprinc))
 				nrp->nr_srvprinc[0] = '\0';
 			NFSCL_DEBUG(1, "nfsrpc_fillsa: srv principal=%s\n",
 			    nrp->nr_srvprinc);
 		} else
 			nrp = malloc(sizeof(*nrp), M_NFSSOCKREQ,
 			    M_WAITOK | M_ZERO);
 		nrp->nr_nam = (struct sockaddr *)sad;
 	} else if (af == AF_INET6) {
 		NFSLOCKMNT(nmp);
 		/*
 		 * Check to see if we already have a session for this
 		 * address that is usable for a DS.
 		 * Note that the MDS's address is in a different place
 		 * than the sessions already acquired for DS's.
 		 */
 		msad6 = (struct sockaddr_in6 *)nmp->nm_sockreq.nr_nam;
 		tdsp = TAILQ_FIRST(&nmp->nm_sess);
 		while (tdsp != NULL) {
 			if (msad6 != NULL && msad6->sin6_family == AF_INET6 &&
 			    IN6_ARE_ADDR_EQUAL(&sin6->sin6_addr,
 			    &msad6->sin6_addr) &&
 			    sin6->sin6_port == msad6->sin6_port &&
 			    (tdsp->nfsclds_flags & NFSCLDS_DS) != 0 &&
 			    tdsp->nfsclds_sess.nfsess_defunct == 0) {
 				*dspp = tdsp;
 				NFSUNLOCKMNT(nmp);
 				return (0);
 			}
 			tdsp = TAILQ_NEXT(tdsp, nfsclds_list);
 			if (tdsp != NULL && tdsp->nfsclds_sockp != NULL)
 				msad6 = (struct sockaddr_in6 *)
 				    tdsp->nfsclds_sockp->nr_nam;
 			else
 				msad6 = NULL;
 		}
 		NFSUNLOCKMNT(nmp);
 
 		/* No IP address match, so look for new/trunked one. */
 		sad6 = malloc(sizeof(*sad6), M_SONAME, M_WAITOK | M_ZERO);
 		sad6->sin6_len = sizeof(*sad6);
 		sad6->sin6_family = AF_INET6;
 		sad6->sin6_port = sin6->sin6_port;
 		NFSBCOPY(&sin6->sin6_addr, &sad6->sin6_addr,
 		    sizeof(struct in6_addr));
 		if (NFSHASPNFS(nmp) && NFSHASKERB(nmp)) {
 			/* For pNFS, a separate server principal is needed. */
 			nrp = malloc(sizeof(*nrp) + NI_MAXSERV + NI_MAXHOST,
 			    M_NFSSOCKREQ, M_WAITOK | M_ZERO);
 			/*
 			 * Use the latter part of nr_srvprinc as a temporary
 			 * buffer for the IP address.
 			 */
 			inet_ntop(AF_INET6, &sad6->sin6_addr,
 			    &nrp->nr_srvprinc[NI_MAXSERV], NI_MAXHOST);
 			NFSCL_DEBUG(1, "nfsrpc_fillsa: DS IP=%s\n",
 			    &nrp->nr_srvprinc[NI_MAXSERV]);
 			if (!rpc_gss_ip_to_srv_principal_call(
 			    &nrp->nr_srvprinc[NI_MAXSERV], "nfs",
 			    nrp->nr_srvprinc))
 				nrp->nr_srvprinc[0] = '\0';
 			NFSCL_DEBUG(1, "nfsrpc_fillsa: srv principal=%s\n",
 			    nrp->nr_srvprinc);
 		} else
 			nrp = malloc(sizeof(*nrp), M_NFSSOCKREQ,
 			    M_WAITOK | M_ZERO);
 		nrp->nr_nam = (struct sockaddr *)sad6;
 	} else
 		return (EPERM);
 
 	nrp->nr_sotype = SOCK_STREAM;
 	mtx_init(&nrp->nr_mtx, "nfssock", NULL, MTX_DEF);
 	nrp->nr_prog = NFS_PROG;
 	nrp->nr_vers = vers;
 
 	/*
 	 * Use the credentials that were used for the mount, which are
 	 * in nmp->nm_sockreq.nr_cred for newnfs_connect() etc.
 	 * Ref. counting the credentials with crhold() is probably not
 	 * necessary, since nm_sockreq.nr_cred won't be crfree()'d until
 	 * unmount, but I did it anyhow.
 	 */
 	nrp->nr_cred = crhold(nmp->nm_sockreq.nr_cred);
 	error = newnfs_connect(nmp, nrp, NULL, p, 0, false, &nrp->nr_client);
 	NFSCL_DEBUG(3, "DS connect=%d\n", error);
 
 	dsp = NULL;
 	/* Now, do the exchangeid and create session. */
 	if (error == 0) {
 		if (vers == NFS_VER4) {
 			firsttry = 0;
 			do {
 				error = nfsrpc_exchangeid(nmp, clp, nrp, 
 				    minorvers, NFSV4EXCH_USEPNFSDS, &dsp,
 				    nrp->nr_cred, p);
 				NFSCL_DEBUG(3, "DS exchangeid=%d\n", error);
 				if (error == NFSERR_MINORVERMISMATCH)
 					minorvers = NFSV42_MINORVERSION;
 			} while (error == NFSERR_MINORVERMISMATCH &&
 			    firsttry++ == 0);
 			if (error != 0)
 				newnfs_disconnect(NULL, nrp);
 		} else {
 			dsp = malloc(sizeof(struct nfsclds), M_NFSCLDS,
 			    M_WAITOK | M_ZERO);
 			dsp->nfsclds_flags |= NFSCLDS_DS;
 			dsp->nfsclds_expire = INT32_MAX; /* No renews needed. */
 			mtx_init(&dsp->nfsclds_mtx, "nfsds", NULL, MTX_DEF);
 			mtx_init(&dsp->nfsclds_sess.nfsess_mtx, "nfssession",
 			    NULL, MTX_DEF);
 		}
 	}
 	if (error == 0) {
 		dsp->nfsclds_sockp = nrp;
 		if (vers == NFS_VER4) {
 			NFSLOCKMNT(nmp);
 			retv = nfscl_getsameserver(nmp, dsp, &tdsp,
 			    &sequenceid);
 			NFSCL_DEBUG(3, "getsame ret=%d\n", retv);
 			if (retv == NFSDSP_USETHISSESSION &&
 			    nfscl_dssameconn != 0) {
 				NFSLOCKDS(tdsp);
 				tdsp->nfsclds_flags |= NFSCLDS_SAMECONN;
 				NFSUNLOCKDS(tdsp);
 				NFSUNLOCKMNT(nmp);
 				/*
 				 * If there is already a session for this
 				 * server, use it.
 				 */
 				newnfs_disconnect(NULL, nrp);
 				nfscl_freenfsclds(dsp);
 				*dspp = tdsp;
 				return (0);
 			}
 			if (retv == NFSDSP_NOTFOUND)
 				sequenceid =
 				    dsp->nfsclds_sess.nfsess_sequenceid;
 			NFSUNLOCKMNT(nmp);
 			error = nfsrpc_createsession(nmp, &dsp->nfsclds_sess,
 			    nrp, dsp, sequenceid, 0, nrp->nr_cred, p);
 			NFSCL_DEBUG(3, "DS createsess=%d\n", error);
 		}
 	} else {
 		NFSFREECRED(nrp->nr_cred);
 		NFSFREEMUTEX(&nrp->nr_mtx);
 		free(nrp->nr_nam, M_SONAME);
 		free(nrp, M_NFSSOCKREQ);
 	}
 	if (error == 0) {
 		NFSCL_DEBUG(3, "add DS session\n");
 		/*
 		 * Put it at the end of the list. That way the list
 		 * is ordered by when the entry was added. This matters
 		 * since the one done first is the one that should be
 		 * used for sequencid'ing any subsequent create sessions.
 		 */
 		NFSLOCKMNT(nmp);
 		TAILQ_INSERT_TAIL(&nmp->nm_sess, dsp, nfsclds_list);
 		NFSUNLOCKMNT(nmp);
 		*dspp = dsp;
 	} else if (dsp != NULL) {
 		newnfs_disconnect(NULL, nrp);
 		nfscl_freenfsclds(dsp);
 	}
 	return (error);
 }
 
 /*
  * Do the NFSv4.1 Reclaim Complete.
  */
 int
 nfsrpc_reclaimcomplete(struct nfsmount *nmp, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	int error;
 
 	nfscl_reqstart(nd, NFSPROC_RECLAIMCOMPL, nmp, NULL, 0, NULL, NULL, 0,
 	    0, cred);
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = newnfs_false;
 	nd->nd_flag |= ND_USEGSSNAME;
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0)
 		return (error);
 	error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Initialize the slot tables for a session.
  */
 static void
 nfscl_initsessionslots(struct nfsclsession *sep)
 {
 	int i;
 
 	for (i = 0; i < NFSV4_CBSLOTS; i++) {
 		if (sep->nfsess_cbslots[i].nfssl_reply != NULL)
 			m_freem(sep->nfsess_cbslots[i].nfssl_reply);
 		NFSBZERO(&sep->nfsess_cbslots[i], sizeof(struct nfsslot));
 	}
 	for (i = 0; i < 64; i++)
 		sep->nfsess_slotseq[i] = 0;
 	sep->nfsess_slots = 0;
 	sep->nfsess_badslots = 0;
 }
 
 /*
  * Called to try and do an I/O operation via an NFSv4.1 Data Server (DS).
  */
 int
 nfscl_doiods(vnode_t vp, struct uio *uiop, int *iomode, int *must_commit,
     uint32_t rwaccess, int docommit, struct ucred *cred, NFSPROC_T *p)
 {
 	struct nfsnode *np = VTONFS(vp);
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfscllayout *layp;
 	struct nfscldevinfo *dip;
 	struct nfsclflayout *rflp;
 	struct mbuf *m, *m2;
 	struct nfsclwritedsdorpc *drpc, *tdrpc;
 	nfsv4stateid_t stateid;
 	struct ucred *newcred;
 	uint64_t lastbyte, len, off, oresid, xfer;
 	int eof, error, firstmirror, i, iolaymode, mirrorcnt, recalled, timo;
 	void *lckp;
 	uint8_t *dev;
 	void *iovbase = NULL;
 	size_t iovlen = 0;
 	off_t offs = 0;
 	ssize_t resid = 0;
 	uint32_t op;
 
 	if (!NFSHASPNFS(nmp) || nfscl_enablecallb == 0 || nfs_numnfscbd == 0 ||
 	    (np->n_flag & NNOLAYOUT) != 0)
 		return (EIO);
 	/* Now, get a reference cnt on the clientid for this mount. */
 	if (nfscl_getref(nmp) == 0)
 		return (EIO);
 
 	/* Find an appropriate stateid. */
 	newcred = NFSNEWCRED(cred);
 	error = nfscl_getstateid(vp, np->n_fhp->nfh_fh, np->n_fhp->nfh_len,
 	    rwaccess, 1, newcred, p, &stateid, &lckp);
 	if (error != 0) {
 		NFSFREECRED(newcred);
 		nfscl_relref(nmp);
 		return (error);
 	}
 	/* Search for a layout for this file. */
 	off = uiop->uio_offset;
 	layp = nfscl_getlayout(nmp->nm_clp, np->n_fhp->nfh_fh,
 	    np->n_fhp->nfh_len, off, rwaccess, &rflp, &recalled);
 	if (layp == NULL || rflp == NULL) {
 		if (recalled != 0) {
 			NFSFREECRED(newcred);
 			if (lckp != NULL)
 				nfscl_lockderef(lckp);
 			nfscl_relref(nmp);
 			return (EIO);
 		}
 		if (layp != NULL) {
 			nfscl_rellayout(layp, (rflp == NULL) ? 1 : 0);
 			layp = NULL;
 		}
 		/* Try and get a Layout, if it is supported. */
 		if (rwaccess == NFSV4OPEN_ACCESSWRITE ||
 		    (np->n_flag & NWRITEOPENED) != 0)
 			iolaymode = NFSLAYOUTIOMODE_RW;
 		else
 			iolaymode = NFSLAYOUTIOMODE_READ;
 		error = nfsrpc_getlayout(nmp, vp, np->n_fhp, iolaymode,
 		    rwaccess, NULL, &stateid, off, &layp, newcred, p);
 		if (error != 0) {
 			NFSLOCKNODE(np);
 			np->n_flag |= NNOLAYOUT;
 			NFSUNLOCKNODE(np);
 			if (lckp != NULL)
 				nfscl_lockderef(lckp);
 			NFSFREECRED(newcred);
 			if (layp != NULL)
 				nfscl_rellayout(layp, 0);
 			nfscl_relref(nmp);
 			return (error);
 		}
 	}
 
 	/*
 	 * Loop around finding a layout that works for the first part of
 	 * this I/O operation, and then call the function that actually
 	 * does the RPC.
 	 */
 	eof = 0;
 	len = (uint64_t)uiop->uio_resid;
 	while (len > 0 && error == 0 && eof == 0) {
 		off = uiop->uio_offset;
 		error = nfscl_findlayoutforio(layp, off, rwaccess, &rflp);
 		if (error == 0) {
 			oresid = xfer = (uint64_t)uiop->uio_resid;
 			if (xfer > (rflp->nfsfl_end - rflp->nfsfl_off))
 				xfer = rflp->nfsfl_end - rflp->nfsfl_off;
 			/*
 			 * For Flex File layout with mirrored DSs, select one
 			 * of them at random for reads. For writes and commits,
 			 * do all mirrors.
 			 */
 			m = NULL;
 			tdrpc = drpc = NULL;
 			firstmirror = 0;
 			mirrorcnt = 1;
 			if ((layp->nfsly_flags & NFSLY_FLEXFILE) != 0 &&
 			    (mirrorcnt = rflp->nfsfl_mirrorcnt) > 1) {
 				if (rwaccess == NFSV4OPEN_ACCESSREAD) {
 					firstmirror = arc4random() % mirrorcnt;
 					mirrorcnt = firstmirror + 1;
 				} else {
 					if (docommit == 0) {
 						/*
 						 * Save values, so uiop can be
 						 * rolled back upon a write
 						 * error.
 						 */
 						offs = uiop->uio_offset;
 						resid = uiop->uio_resid;
 						iovbase =
 						    uiop->uio_iov->iov_base;
 						iovlen = uiop->uio_iov->iov_len;
 						m = nfsm_uiombuflist(uiop, len,
 						    0);
 						if (m == NULL) {
 							error = EFAULT;
 							break;
 						}
 					}
 					tdrpc = drpc = malloc(sizeof(*drpc) *
 					    (mirrorcnt - 1), M_TEMP, M_WAITOK |
 					    M_ZERO);
 				}
 			}
 			for (i = firstmirror; i < mirrorcnt && error == 0; i++){
 				m2 = NULL;
 				if (m != NULL && i < mirrorcnt - 1)
 					m2 = m_copym(m, 0, M_COPYALL, M_WAITOK);
 				else {
 					m2 = m;
 					m = NULL;
 				}
 				if ((layp->nfsly_flags & NFSLY_FLEXFILE) != 0) {
 					dev = rflp->nfsfl_ffm[i].dev;
 					dip = nfscl_getdevinfo(nmp->nm_clp, dev,
 					    rflp->nfsfl_ffm[i].devp);
 				} else {
 					dev = rflp->nfsfl_dev;
 					dip = nfscl_getdevinfo(nmp->nm_clp, dev,
 					    rflp->nfsfl_devp);
 				}
 				if (dip != NULL) {
 					if ((rflp->nfsfl_flags & NFSFL_FLEXFILE)
 					    != 0)
 						error = nfscl_dofflayoutio(vp,
 						    uiop, iomode, must_commit,
 						    &eof, &stateid, rwaccess,
 						    dip, layp, rflp, off, xfer,
 						    i, docommit, m2, tdrpc,
 						    newcred, p);
 					else
 						error = nfscl_doflayoutio(vp,
 						    uiop, iomode, must_commit,
 						    &eof, &stateid, rwaccess,
 						    dip, layp, rflp, off, xfer,
 						    docommit, newcred, p);
 					nfscl_reldevinfo(dip);
 				} else {
 					if (m2 != NULL)
 						m_freem(m2);
 					error = EIO;
 				}
 				tdrpc++;
 			}
 			if (m != NULL)
 				m_freem(m);
 			tdrpc = drpc;
 			timo = hz / 50;		/* Wait for 20msec. */
 			if (timo < 1)
 				timo = 1;
 			for (i = firstmirror; i < mirrorcnt - 1 &&
 			    tdrpc != NULL; i++, tdrpc++) {
 				/*
 				 * For the unused drpc entries, both inprog and
 				 * err == 0, so this loop won't break.
 				 */
 				while (tdrpc->inprog != 0 && tdrpc->done == 0)
 					tsleep(&tdrpc->tsk, PVFS, "clrpcio",
 					    timo);
 				if (error == 0 && tdrpc->err != 0)
 					error = tdrpc->err;
 				if (rwaccess != NFSV4OPEN_ACCESSREAD &&
 				    docommit == 0 && *must_commit == 0 &&
 				    tdrpc->must_commit == 1)
 					*must_commit = 1;
 			}
 			free(drpc, M_TEMP);
 			if (error == 0) {
 				if (mirrorcnt > 1 && rwaccess ==
 				    NFSV4OPEN_ACCESSWRITE && docommit == 0) {
 					NFSLOCKCLSTATE();
 					layp->nfsly_flags |= NFSLY_WRITTEN;
 					NFSUNLOCKCLSTATE();
 				}
 				lastbyte = off + xfer - 1;
 				NFSLOCKCLSTATE();
 				if (lastbyte > layp->nfsly_lastbyte)
 					layp->nfsly_lastbyte = lastbyte;
 				NFSUNLOCKCLSTATE();
 			} else if (error == NFSERR_OPENMODE &&
 			    rwaccess == NFSV4OPEN_ACCESSREAD) {
 				NFSLOCKMNT(nmp);
 				nmp->nm_state |= NFSSTA_OPENMODE;
 				NFSUNLOCKMNT(nmp);
 			} else if ((error == NFSERR_NOSPC ||
 			    error == NFSERR_IO || error == NFSERR_NXIO) &&
 			    nmp->nm_minorvers == NFSV42_MINORVERSION) {
 				if (docommit != 0)
 					op = NFSV4OP_COMMIT;
 				else if (rwaccess == NFSV4OPEN_ACCESSREAD)
 					op = NFSV4OP_READ;
 				else
 					op = NFSV4OP_WRITE;
 				nfsrpc_layouterror(nmp, np->n_fhp->nfh_fh,
 				    np->n_fhp->nfh_len, off, xfer,
 				    &layp->nfsly_stateid, newcred, p, error, op,
 				    dip->nfsdi_deviceid);
 				error = EIO;
 			} else
 				error = EIO;
 			if (error == 0)
 				len -= (oresid - (uint64_t)uiop->uio_resid);
 			else if (mirrorcnt > 1 && rwaccess ==
 			    NFSV4OPEN_ACCESSWRITE && docommit == 0) {
 				/*
 				 * In case the rpc gets retried, roll the
 				 * uio fields changed by nfsm_uiombuflist()
 				 * back.
 				 */
 				uiop->uio_offset = offs;
 				uiop->uio_resid = resid;
 				uiop->uio_iov->iov_base = iovbase;
 				uiop->uio_iov->iov_len = iovlen;
 			}
 		}
 	}
 	if (lckp != NULL)
 		nfscl_lockderef(lckp);
 	NFSFREECRED(newcred);
 	nfscl_rellayout(layp, 0);
 	nfscl_relref(nmp);
 	return (error);
 }
 
 /*
  * Find a file layout that will handle the first bytes of the requested
  * range and return the information from it needed to the I/O operation.
  */
 int
 nfscl_findlayoutforio(struct nfscllayout *lyp, uint64_t off, uint32_t rwaccess,
     struct nfsclflayout **retflpp)
 {
 	struct nfsclflayout *flp, *nflp, *rflp;
 	uint32_t rw;
 
 	rflp = NULL;
 	rw = rwaccess;
 	/* For reading, do the Read list first and then the Write list. */
 	do {
 		if (rw == NFSV4OPEN_ACCESSREAD)
 			flp = LIST_FIRST(&lyp->nfsly_flayread);
 		else
 			flp = LIST_FIRST(&lyp->nfsly_flayrw);
 		while (flp != NULL) {
 			nflp = LIST_NEXT(flp, nfsfl_list);
 			if (flp->nfsfl_off > off)
 				break;
 			if (flp->nfsfl_end > off &&
 			    (rflp == NULL || rflp->nfsfl_end < flp->nfsfl_end))
 				rflp = flp;
 			flp = nflp;
 		}
 		if (rw == NFSV4OPEN_ACCESSREAD)
 			rw = NFSV4OPEN_ACCESSWRITE;
 		else
 			rw = 0;
 	} while (rw != 0);
 	if (rflp != NULL) {
 		/* This one covers the most bytes starting at off. */
 		*retflpp = rflp;
 		return (0);
 	}
 	return (EIO);
 }
 
 /*
  * Do I/O using an NFSv4.1 or NFSv4.2 file layout.
  */
 static int
 nfscl_doflayoutio(vnode_t vp, struct uio *uiop, int *iomode, int *must_commit,
     int *eofp, nfsv4stateid_t *stateidp, int rwflag, struct nfscldevinfo *dp,
     struct nfscllayout *lyp, struct nfsclflayout *flp, uint64_t off,
     uint64_t len, int docommit, struct ucred *cred, NFSPROC_T *p)
 {
 	uint64_t io_off, rel_off, stripe_unit_size, transfer, xfer;
 	int commit_thru_mds, error, stripe_index, stripe_pos, minorvers;
 	struct nfsnode *np;
 	struct nfsfh *fhp;
 	struct nfsclds **dspp;
 
 	np = VTONFS(vp);
 	rel_off = off - flp->nfsfl_patoff;
 	stripe_unit_size = flp->nfsfl_util & NFSFLAYUTIL_STRIPE_MASK;
 	stripe_pos = (rel_off / stripe_unit_size + flp->nfsfl_stripe1) %
 	    dp->nfsdi_stripecnt;
 	transfer = stripe_unit_size - (rel_off % stripe_unit_size);
 	error = 0;
 
 	/* Loop around, doing I/O for each stripe unit. */
 	while (len > 0 && error == 0) {
 		stripe_index = nfsfldi_stripeindex(dp, stripe_pos);
 		dspp = nfsfldi_addr(dp, stripe_index);
 		if (((*dspp)->nfsclds_flags & NFSCLDS_MINORV2) != 0)
 			minorvers = NFSV42_MINORVERSION;
 		else
 			minorvers = NFSV41_MINORVERSION;
 		if (len > transfer && docommit == 0)
 			xfer = transfer;
 		else
 			xfer = len;
 		if ((flp->nfsfl_util & NFSFLAYUTIL_DENSE) != 0) {
 			/* Dense layout. */
 			if (stripe_pos >= flp->nfsfl_fhcnt)
 				return (EIO);
 			fhp = flp->nfsfl_fh[stripe_pos];
 			io_off = (rel_off / (stripe_unit_size *
 			    dp->nfsdi_stripecnt)) * stripe_unit_size +
 			    rel_off % stripe_unit_size;
 		} else {
 			/* Sparse layout. */
 			if (flp->nfsfl_fhcnt > 1) {
 				if (stripe_index >= flp->nfsfl_fhcnt)
 					return (EIO);
 				fhp = flp->nfsfl_fh[stripe_index];
 			} else if (flp->nfsfl_fhcnt == 1)
 				fhp = flp->nfsfl_fh[0];
 			else
 				fhp = np->n_fhp;
 			io_off = off;
 		}
 		if ((flp->nfsfl_util & NFSFLAYUTIL_COMMIT_THRU_MDS) != 0) {
 			commit_thru_mds = 1;
 			if (docommit != 0)
 				error = EIO;
 		} else {
 			commit_thru_mds = 0;
 			NFSLOCKNODE(np);
 			np->n_flag |= NDSCOMMIT;
 			NFSUNLOCKNODE(np);
 		}
 		if (docommit != 0) {
 			if (error == 0)
 				error = nfsrpc_commitds(vp, io_off, xfer,
 				    *dspp, fhp, NFS_VER4, minorvers, cred, p);
 			if (error == 0) {
 				/*
 				 * Set both eof and uio_resid = 0 to end any
 				 * loops.
 				 */
 				*eofp = 1;
 				uiop->uio_resid = 0;
 			} else {
 				NFSLOCKNODE(np);
 				np->n_flag &= ~NDSCOMMIT;
 				NFSUNLOCKNODE(np);
 			}
 		} else if (rwflag == NFSV4OPEN_ACCESSREAD)
 			error = nfsrpc_readds(vp, uiop, stateidp, eofp, *dspp,
 			    io_off, xfer, fhp, 0, NFS_VER4, minorvers, cred, p);
 		else {
 			error = nfsrpc_writeds(vp, uiop, iomode, must_commit,
 			    stateidp, *dspp, io_off, xfer, fhp, commit_thru_mds,
 			    0, NFS_VER4, minorvers, cred, p);
 			if (error == 0) {
 				NFSLOCKCLSTATE();
 				lyp->nfsly_flags |= NFSLY_WRITTEN;
 				NFSUNLOCKCLSTATE();
 			}
 		}
 		if (error == 0) {
 			transfer = stripe_unit_size;
 			stripe_pos = (stripe_pos + 1) % dp->nfsdi_stripecnt;
 			len -= xfer;
 			off += xfer;
 		}
 	}
 	return (error);
 }
 
 /*
  * Do I/O using an NFSv4.1 flex file layout.
  */
 static int
 nfscl_dofflayoutio(vnode_t vp, struct uio *uiop, int *iomode, int *must_commit,
     int *eofp, nfsv4stateid_t *stateidp, int rwflag, struct nfscldevinfo *dp,
     struct nfscllayout *lyp, struct nfsclflayout *flp, uint64_t off,
     uint64_t len, int mirror, int docommit, struct mbuf *mp,
     struct nfsclwritedsdorpc *drpc, struct ucred *cred, NFSPROC_T *p)
 {
 	uint64_t xfer;
 	int error;
 	struct nfsnode *np;
 	struct nfsfh *fhp;
 	struct nfsclds **dspp;
 	struct ucred *tcred;
 	struct mbuf *m, *m2;
 	uint32_t copylen;
 
 	np = VTONFS(vp);
 	error = 0;
 	NFSCL_DEBUG(4, "nfscl_dofflayoutio: off=%ju len=%ju\n", (uintmax_t)off,
 	    (uintmax_t)len);
 	/* Loop around, doing I/O for each stripe unit. */
 	while (len > 0 && error == 0) {
 		dspp = nfsfldi_addr(dp, 0);
 		fhp = flp->nfsfl_ffm[mirror].fh[dp->nfsdi_versindex];
 		stateidp = &flp->nfsfl_ffm[mirror].st;
 		NFSCL_DEBUG(4, "mirror=%d vind=%d fhlen=%d st.seqid=0x%x\n",
 		    mirror, dp->nfsdi_versindex, fhp->nfh_len, stateidp->seqid);
 		if ((dp->nfsdi_flags & NFSDI_TIGHTCOUPLED) == 0) {
 			tcred = NFSNEWCRED(cred);
 			tcred->cr_uid = flp->nfsfl_ffm[mirror].user;
 			tcred->cr_gid = flp->nfsfl_ffm[mirror].group;
 			tcred->cr_ngroups = 0;
 		} else
 			tcred = cred;
 		if (rwflag == NFSV4OPEN_ACCESSREAD)
 			copylen = dp->nfsdi_rsize;
 		else {
 			copylen = dp->nfsdi_wsize;
 			if (len > copylen && mp != NULL) {
 				/*
 				 * When a mirrored configuration needs to do
 				 * multiple writes to each mirror, all writes
 				 * except the last one must be a multiple of
 				 * 4 bytes.  This is required so that the XDR
 				 * does not need padding.
 				 * If possible, clip the size to an exact
 				 * multiple of the mbuf length, so that the
 				 * split will be on an mbuf boundary.
 				 */
 				copylen &= 0xfffffffc;
 				if (copylen > mp->m_len)
 					copylen = copylen / mp->m_len *
 					    mp->m_len;
 			}
 		}
 		NFSLOCKNODE(np);
 		np->n_flag |= NDSCOMMIT;
 		NFSUNLOCKNODE(np);
 		if (len > copylen && docommit == 0)
 			xfer = copylen;
 		else
 			xfer = len;
 		if (docommit != 0) {
 			if (error == 0) {
 				/*
 				 * Do last mirrored DS commit with this thread.
 				 */
 				if (mirror < flp->nfsfl_mirrorcnt - 1)
 					error = nfsio_commitds(vp, off, xfer,
 					    *dspp, fhp, dp->nfsdi_vers,
 					    dp->nfsdi_minorvers, drpc, tcred,
 					    p);
 				else
 					error = nfsrpc_commitds(vp, off, xfer,
 					    *dspp, fhp, dp->nfsdi_vers,
 					    dp->nfsdi_minorvers, tcred, p);
 				NFSCL_DEBUG(4, "commitds=%d\n", error);
 				if (error != 0 && error != EACCES && error !=
 				    ESTALE) {
 					NFSCL_DEBUG(4,
 					    "DS layreterr for commit\n");
 					nfscl_dserr(NFSV4OP_COMMIT, error, dp,
 					    lyp, *dspp);
 				}
 			}
 			NFSCL_DEBUG(4, "aft nfsio_commitds=%d\n", error);
 			if (error == 0) {
 				/*
 				 * Set both eof and uio_resid = 0 to end any
 				 * loops.
 				 */
 				*eofp = 1;
 				uiop->uio_resid = 0;
 			} else {
 				NFSLOCKNODE(np);
 				np->n_flag &= ~NDSCOMMIT;
 				NFSUNLOCKNODE(np);
 			}
 		} else if (rwflag == NFSV4OPEN_ACCESSREAD) {
 			error = nfsrpc_readds(vp, uiop, stateidp, eofp, *dspp,
 			    off, xfer, fhp, 1, dp->nfsdi_vers,
 			    dp->nfsdi_minorvers, tcred, p);
 			NFSCL_DEBUG(4, "readds=%d\n", error);
 			if (error != 0 && error != EACCES && error != ESTALE) {
 				NFSCL_DEBUG(4, "DS layreterr for read\n");
 				nfscl_dserr(NFSV4OP_READ, error, dp, lyp,
 				    *dspp);
 			}
 		} else {
 			if (flp->nfsfl_mirrorcnt == 1) {
 				error = nfsrpc_writeds(vp, uiop, iomode,
 				    must_commit, stateidp, *dspp, off, xfer,
 				    fhp, 0, 1, dp->nfsdi_vers,
 				    dp->nfsdi_minorvers, tcred, p);
 				if (error == 0) {
 					NFSLOCKCLSTATE();
 					lyp->nfsly_flags |= NFSLY_WRITTEN;
 					NFSUNLOCKCLSTATE();
 				}
 			} else {
 				m = mp;
 				if (xfer < len) {
 					/* The mbuf list must be split. */
 					m2 = nfsm_split(mp, xfer);
 					if (m2 != NULL)
 						mp = m2;
 					else {
 						m_freem(mp);
 						error = EIO;
 					}
 				}
 				NFSCL_DEBUG(4, "mcopy len=%jd xfer=%jd\n",
 				    (uintmax_t)len, (uintmax_t)xfer);
 				/*
 				 * Do last write to a mirrored DS with this
 				 * thread.
 				 */
 				if (error == 0) {
 					if (mirror < flp->nfsfl_mirrorcnt - 1)
 						error = nfsio_writedsmir(vp,
 						    iomode, must_commit,
 						    stateidp, *dspp, off,
 						    xfer, fhp, m,
 						    dp->nfsdi_vers,
 						    dp->nfsdi_minorvers, drpc,
 						    tcred, p);
 					else
 						error = nfsrpc_writedsmir(vp,
 						    iomode, must_commit,
 						    stateidp, *dspp, off,
 						    xfer, fhp, m,
 						    dp->nfsdi_vers,
 						    dp->nfsdi_minorvers, tcred,
 						    p);
 				}
 				NFSCL_DEBUG(4, "nfsio_writedsmir=%d\n", error);
 				if (error != 0 && error != EACCES && error !=
 				    ESTALE) {
 					NFSCL_DEBUG(4,
 					    "DS layreterr for write\n");
 					nfscl_dserr(NFSV4OP_WRITE, error, dp,
 					    lyp, *dspp);
 				}
 			}
 		}
 		NFSCL_DEBUG(4, "aft read/writeds=%d\n", error);
 		if (error == 0) {
 			len -= xfer;
 			off += xfer;
 		}
 		if ((dp->nfsdi_flags & NFSDI_TIGHTCOUPLED) == 0)
 			NFSFREECRED(tcred);
 	}
 	NFSCL_DEBUG(4, "eo nfscl_dofflayoutio=%d\n", error);
 	return (error);
 }
 
 /*
  * The actual read RPC done to a DS.
  */
 static int
 nfsrpc_readds(vnode_t vp, struct uio *uiop, nfsv4stateid_t *stateidp, int *eofp,
     struct nfsclds *dsp, uint64_t io_off, int len, struct nfsfh *fhp, int flex,
     int vers, int minorvers, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	int attrflag, error, retlen;
 	struct nfsrv_descript nfsd;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsrv_descript *nd = &nfsd;
 	struct nfssockreq *nrp;
 	struct nfsvattr na;
 
 	nd->nd_mrep = NULL;
 	if (vers == 0 || vers == NFS_VER4) {
 		nfscl_reqstart(nd, NFSPROC_READDS, nmp, fhp->nfh_fh,
 		    fhp->nfh_len, NULL, &dsp->nfsclds_sess, vers, minorvers,
 		    NULL);
 		vers = NFS_VER4;
 		NFSCL_DEBUG(4, "nfsrpc_readds: vers4 minvers=%d\n", minorvers);
 		if (flex != 0)
 			nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 		else
 			nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSEQIDZERO);
 	} else {
 		nfscl_reqstart(nd, NFSPROC_READ, nmp, fhp->nfh_fh,
 		    fhp->nfh_len, NULL, &dsp->nfsclds_sess, vers, minorvers,
 		    NULL);
 		NFSDECRGLOBAL(nfsstatsv1.rpccnt[NFSPROC_READ]);
 		NFSINCRGLOBAL(nfsstatsv1.rpccnt[NFSPROC_READDS]);
 		NFSCL_DEBUG(4, "nfsrpc_readds: vers3\n");
 	}
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED * 3);
 	txdr_hyper(io_off, tl);
 	*(tl + 2) = txdr_unsigned(len);
 	nrp = dsp->nfsclds_sockp;
 	NFSCL_DEBUG(4, "nfsrpc_readds: nrp=%p\n", nrp);
 	if (nrp == NULL)
 		/* If NULL, use the MDS socket. */
 		nrp = &nmp->nm_sockreq;
 	error = newnfs_request(nd, nmp, NULL, nrp, vp, p, cred,
 	    NFS_PROG, vers, NULL, 1, NULL, &dsp->nfsclds_sess);
 	NFSCL_DEBUG(4, "nfsrpc_readds: stat=%d err=%d\n", nd->nd_repstat,
 	    error);
 	if (error != 0)
 		return (error);
 	if (vers == NFS_VER3) {
 		error = nfscl_postop_attr(nd, &na, &attrflag);
 		NFSCL_DEBUG(4, "nfsrpc_readds: postop=%d\n", error);
 		if (error != 0)
 			goto nfsmout;
 	}
 	if (nd->nd_repstat != 0) {
 		error = nd->nd_repstat;
 		goto nfsmout;
 	}
 	if (vers == NFS_VER3) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		*eofp = fxdr_unsigned(int, *(tl + 1));
 	} else {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		*eofp = fxdr_unsigned(int, *tl);
 	}
 	NFSM_STRSIZ(retlen, len);
 	NFSCL_DEBUG(4, "nfsrpc_readds: retlen=%d eof=%d\n", retlen, *eofp);
 	error = nfsm_mbufuio(nd, uiop, retlen);
 nfsmout:
 	if (nd->nd_mrep != NULL)
 		m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * The actual write RPC done to a DS.
  */
 static int
 nfsrpc_writeds(vnode_t vp, struct uio *uiop, int *iomode, int *must_commit,
     nfsv4stateid_t *stateidp, struct nfsclds *dsp, uint64_t io_off, int len,
     struct nfsfh *fhp, int commit_thru_mds, int flex, int vers, int minorvers,
     struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	int attrflag, error, rlen, commit, committed = NFSWRITE_FILESYNC;
 	int32_t backup;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	struct nfssockreq *nrp;
 	struct nfsvattr na;
 
 	KASSERT(uiop->uio_iovcnt == 1, ("nfs: writerpc iovcnt > 1"));
 	nd->nd_mrep = NULL;
 	if (vers == 0 || vers == NFS_VER4) {
 		nfscl_reqstart(nd, NFSPROC_WRITEDS, nmp, fhp->nfh_fh,
 		    fhp->nfh_len, NULL, &dsp->nfsclds_sess, vers, minorvers,
 		    NULL);
 		NFSCL_DEBUG(4, "nfsrpc_writeds: vers4 minvers=%d\n", minorvers);
 		vers = NFS_VER4;
 		if (flex != 0)
 			nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 		else
 			nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSEQIDZERO);
 		NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + 2 * NFSX_UNSIGNED);
 	} else {
 		nfscl_reqstart(nd, NFSPROC_WRITE, nmp, fhp->nfh_fh,
 		    fhp->nfh_len, NULL, &dsp->nfsclds_sess, vers, minorvers,
 		    NULL);
 		NFSDECRGLOBAL(nfsstatsv1.rpccnt[NFSPROC_WRITE]);
 		NFSINCRGLOBAL(nfsstatsv1.rpccnt[NFSPROC_WRITEDS]);
 		NFSCL_DEBUG(4, "nfsrpc_writeds: vers3\n");
 		NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + 3 * NFSX_UNSIGNED);
 	}
 	txdr_hyper(io_off, tl);
 	tl += 2;
 	if (vers == NFS_VER3)
 		*tl++ = txdr_unsigned(len);
 	*tl++ = txdr_unsigned(*iomode);
 	*tl = txdr_unsigned(len);
 	error = nfsm_uiombuf(nd, uiop, len);
 	if (error != 0) {
 		m_freem(nd->nd_mreq);
 		return (error);
 	}
 	nrp = dsp->nfsclds_sockp;
 	if (nrp == NULL)
 		/* If NULL, use the MDS socket. */
 		nrp = &nmp->nm_sockreq;
 	error = newnfs_request(nd, nmp, NULL, nrp, vp, p, cred,
 	    NFS_PROG, vers, NULL, 1, NULL, &dsp->nfsclds_sess);
 	NFSCL_DEBUG(4, "nfsrpc_writeds: err=%d stat=%d\n", error,
 	    nd->nd_repstat);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat != 0) {
 		/*
 		 * In case the rpc gets retried, roll
 		 * the uio fields changed by nfsm_uiombuf()
 		 * back.
 		 */
 		uiop->uio_offset -= len;
 		uiop->uio_resid += len;
 		uiop->uio_iov->iov_base = (char *)uiop->uio_iov->iov_base - len;
 		uiop->uio_iov->iov_len += len;
 		error = nd->nd_repstat;
 	} else {
 		if (vers == NFS_VER3) {
 			error = nfscl_wcc_data(nd, vp, &na, &attrflag, NULL,
 			    NULL);
 			NFSCL_DEBUG(4, "nfsrpc_writeds: wcc_data=%d\n", error);
 			if (error != 0)
 				goto nfsmout;
 		}
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED + NFSX_VERF);
 		rlen = fxdr_unsigned(int, *tl++);
 		NFSCL_DEBUG(4, "nfsrpc_writeds: len=%d rlen=%d\n", len, rlen);
 		if (rlen == 0) {
 			error = NFSERR_IO;
 			goto nfsmout;
 		} else if (rlen < len) {
 			backup = len - rlen;
 			uiop->uio_iov->iov_base =
 			    (char *)uiop->uio_iov->iov_base - backup;
 			uiop->uio_iov->iov_len += backup;
 			uiop->uio_offset -= backup;
 			uiop->uio_resid += backup;
 			len = rlen;
 		}
 		commit = fxdr_unsigned(int, *tl++);
 
 		/*
 		 * Return the lowest commitment level
 		 * obtained by any of the RPCs.
 		 */
 		if (committed == NFSWRITE_FILESYNC)
 			committed = commit;
 		else if (committed == NFSWRITE_DATASYNC &&
 		    commit == NFSWRITE_UNSTABLE)
 			committed = commit;
 		if (commit_thru_mds != 0) {
 			NFSLOCKMNT(nmp);
 			if (!NFSHASWRITEVERF(nmp)) {
 				NFSBCOPY(tl, nmp->nm_verf, NFSX_VERF);
 				NFSSETWRITEVERF(nmp);
 			} else if (NFSBCMP(tl, nmp->nm_verf, NFSX_VERF) &&
 			    *must_commit != 2) {
 				*must_commit = 1;
 				NFSBCOPY(tl, nmp->nm_verf, NFSX_VERF);
 			}
 			NFSUNLOCKMNT(nmp);
 		} else {
 			NFSLOCKDS(dsp);
 			if ((dsp->nfsclds_flags & NFSCLDS_HASWRITEVERF) == 0) {
 				NFSBCOPY(tl, dsp->nfsclds_verf, NFSX_VERF);
 				dsp->nfsclds_flags |= NFSCLDS_HASWRITEVERF;
 			} else if (NFSBCMP(tl, dsp->nfsclds_verf, NFSX_VERF) &&
 			    *must_commit != 2) {
 				*must_commit = 1;
 				NFSBCOPY(tl, dsp->nfsclds_verf, NFSX_VERF);
 			}
 			NFSUNLOCKDS(dsp);
 		}
 	}
 nfsmout:
 	if (nd->nd_mrep != NULL)
 		m_freem(nd->nd_mrep);
 	*iomode = committed;
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 	return (error);
 }
 
 /*
  * The actual write RPC done to a DS.
  * This variant is called from a separate kernel process for mirrors.
  * Any short write is considered an IO error.
  */
 static int
 nfsrpc_writedsmir(vnode_t vp, int *iomode, int *must_commit,
     nfsv4stateid_t *stateidp, struct nfsclds *dsp, uint64_t io_off, int len,
     struct nfsfh *fhp, struct mbuf *m, int vers, int minorvers,
     struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	int attrflag, error, commit, committed = NFSWRITE_FILESYNC, rlen;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	struct nfssockreq *nrp;
 	struct nfsvattr na;
 
 	nd->nd_mrep = NULL;
 	if (vers == 0 || vers == NFS_VER4) {
 		nfscl_reqstart(nd, NFSPROC_WRITEDS, nmp, fhp->nfh_fh,
 		    fhp->nfh_len, NULL, &dsp->nfsclds_sess, vers, minorvers,
 		    NULL);
 		vers = NFS_VER4;
 		NFSCL_DEBUG(4, "nfsrpc_writedsmir: vers4 minvers=%d\n",
 		    minorvers);
 		nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 		NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + 2 * NFSX_UNSIGNED);
 	} else {
 		nfscl_reqstart(nd, NFSPROC_WRITE, nmp, fhp->nfh_fh,
 		    fhp->nfh_len, NULL, &dsp->nfsclds_sess, vers, minorvers,
 		    NULL);
 		NFSDECRGLOBAL(nfsstatsv1.rpccnt[NFSPROC_WRITE]);
 		NFSINCRGLOBAL(nfsstatsv1.rpccnt[NFSPROC_WRITEDS]);
 		NFSCL_DEBUG(4, "nfsrpc_writedsmir: vers3\n");
 		NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + 3 * NFSX_UNSIGNED);
 	}
 	txdr_hyper(io_off, tl);
 	tl += 2;
 	if (vers == NFS_VER3)
 		*tl++ = txdr_unsigned(len);
 	*tl++ = txdr_unsigned(*iomode);
 	*tl = txdr_unsigned(len);
 	if (len > 0) {
 		/* Put data in mbuf chain. */
 		nd->nd_mb->m_next = m;
 	}
 	nrp = dsp->nfsclds_sockp;
 	if (nrp == NULL)
 		/* If NULL, use the MDS socket. */
 		nrp = &nmp->nm_sockreq;
 	error = newnfs_request(nd, nmp, NULL, nrp, vp, p, cred,
 	    NFS_PROG, vers, NULL, 1, NULL, &dsp->nfsclds_sess);
 	NFSCL_DEBUG(4, "nfsrpc_writedsmir: err=%d stat=%d\n", error,
 	    nd->nd_repstat);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat != 0)
 		error = nd->nd_repstat;
 	else {
 		if (vers == NFS_VER3) {
 			error = nfscl_wcc_data(nd, vp, &na, &attrflag, NULL,
 			    NULL);
 			NFSCL_DEBUG(4, "nfsrpc_writedsmir: wcc_data=%d\n",
 			    error);
 			if (error != 0)
 				goto nfsmout;
 		}
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED + NFSX_VERF);
 		rlen = fxdr_unsigned(int, *tl++);
 		NFSCL_DEBUG(4, "nfsrpc_writedsmir: len=%d rlen=%d\n", len,
 		    rlen);
 		if (rlen != len) {
 			error = NFSERR_IO;
 			NFSCL_DEBUG(4, "nfsrpc_writedsmir: len=%d rlen=%d\n",
 			    len, rlen);
 			goto nfsmout;
 		}
 		commit = fxdr_unsigned(int, *tl++);
 
 		/*
 		 * Return the lowest commitment level
 		 * obtained by any of the RPCs.
 		 */
 		if (committed == NFSWRITE_FILESYNC)
 			committed = commit;
 		else if (committed == NFSWRITE_DATASYNC &&
 		    commit == NFSWRITE_UNSTABLE)
 			committed = commit;
 		NFSLOCKDS(dsp);
 		if ((dsp->nfsclds_flags & NFSCLDS_HASWRITEVERF) == 0) {
 			NFSBCOPY(tl, dsp->nfsclds_verf, NFSX_VERF);
 			dsp->nfsclds_flags |= NFSCLDS_HASWRITEVERF;
 		} else if (NFSBCMP(tl, dsp->nfsclds_verf, NFSX_VERF) &&
 		    *must_commit != 2) {
 			*must_commit = 1;
 			NFSBCOPY(tl, dsp->nfsclds_verf, NFSX_VERF);
 		}
 		NFSUNLOCKDS(dsp);
 	}
 nfsmout:
 	if (nd->nd_mrep != NULL)
 		m_freem(nd->nd_mrep);
 	*iomode = committed;
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 	return (error);
 }
 
 /*
  * Start up the thread that will execute nfsrpc_writedsmir().
  */
 static void
 start_writedsmir(void *arg, int pending)
 {
 	struct nfsclwritedsdorpc *drpc;
 
 	drpc = (struct nfsclwritedsdorpc *)arg;
 	drpc->err = nfsrpc_writedsmir(drpc->vp, &drpc->iomode,
 	    &drpc->must_commit, drpc->stateidp, drpc->dsp, drpc->off, drpc->len,
 	    drpc->fhp, drpc->m, drpc->vers, drpc->minorvers, drpc->cred,
 	    drpc->p);
 	drpc->done = 1;
 	crfree(drpc->cred);
 	NFSCL_DEBUG(4, "start_writedsmir: err=%d\n", drpc->err);
 }
 
 /*
  * Set up the write DS mirror call for the pNFS I/O thread.
  */
 static int
 nfsio_writedsmir(vnode_t vp, int *iomode, int *must_commit,
     nfsv4stateid_t *stateidp, struct nfsclds *dsp, uint64_t off, int len,
     struct nfsfh *fhp, struct mbuf *m, int vers, int minorvers,
     struct nfsclwritedsdorpc *drpc, struct ucred *cred, NFSPROC_T *p)
 {
 	int error, ret;
 
 	error = 0;
 	drpc->done = 0;
 	drpc->vp = vp;
 	drpc->iomode = *iomode;
 	drpc->must_commit = *must_commit;
 	drpc->stateidp = stateidp;
 	drpc->dsp = dsp;
 	drpc->off = off;
 	drpc->len = len;
 	drpc->fhp = fhp;
 	drpc->m = m;
 	drpc->vers = vers;
 	drpc->minorvers = minorvers;
 	drpc->cred = crhold(cred);
 	drpc->p = p;
 	drpc->inprog = 0;
 	ret = EIO;
 	if (nfs_pnfsiothreads != 0) {
 		ret = nfs_pnfsio(start_writedsmir, drpc);
 		NFSCL_DEBUG(4, "nfsio_writedsmir: nfs_pnfsio=%d\n", ret);
 	}
 	if (ret != 0) {
 		error = nfsrpc_writedsmir(vp, iomode, &drpc->must_commit,
 		    stateidp, dsp, off, len, fhp, m, vers, minorvers, cred, p);
 		crfree(drpc->cred);
 	}
 	NFSCL_DEBUG(4, "nfsio_writedsmir: error=%d\n", error);
 	return (error);
 }
 
 /*
  * Free up the nfsclds structure.
  */
 void
 nfscl_freenfsclds(struct nfsclds *dsp)
 {
 	int i;
 
 	if (dsp == NULL)
 		return;
 	if (dsp->nfsclds_sockp != NULL) {
 		NFSFREECRED(dsp->nfsclds_sockp->nr_cred);
 		NFSFREEMUTEX(&dsp->nfsclds_sockp->nr_mtx);
 		free(dsp->nfsclds_sockp->nr_nam, M_SONAME);
 		free(dsp->nfsclds_sockp, M_NFSSOCKREQ);
 	}
 	NFSFREEMUTEX(&dsp->nfsclds_mtx);
 	NFSFREEMUTEX(&dsp->nfsclds_sess.nfsess_mtx);
 	for (i = 0; i < NFSV4_CBSLOTS; i++) {
 		if (dsp->nfsclds_sess.nfsess_cbslots[i].nfssl_reply != NULL)
 			m_freem(
 			    dsp->nfsclds_sess.nfsess_cbslots[i].nfssl_reply);
 	}
 	free(dsp, M_NFSCLDS);
 }
 
 static enum nfsclds_state
 nfscl_getsameserver(struct nfsmount *nmp, struct nfsclds *newdsp,
     struct nfsclds **retdspp, uint32_t *sequencep)
 {
 	struct nfsclds *dsp;
 	int fndseq;
 
 	/*
 	 * Search the list of nfsclds structures for one with the same
 	 * server.
 	 */
 	fndseq = 0;
 	TAILQ_FOREACH(dsp, &nmp->nm_sess, nfsclds_list) {
 		if (dsp->nfsclds_servownlen == newdsp->nfsclds_servownlen &&
 		    dsp->nfsclds_servownlen != 0 &&
 		    !NFSBCMP(dsp->nfsclds_serverown, newdsp->nfsclds_serverown,
 		    dsp->nfsclds_servownlen) &&
 		    dsp->nfsclds_sess.nfsess_defunct == 0) {
 			NFSCL_DEBUG(4, "fnd same fdsp=%p dsp=%p flg=0x%x\n",
 			    TAILQ_FIRST(&nmp->nm_sess), dsp,
 			    dsp->nfsclds_flags);
 			if (fndseq == 0) {
 				/* Get sequenceid# from first entry. */
 				*sequencep =
 				    dsp->nfsclds_sess.nfsess_sequenceid;
 				fndseq = 1;
 			}
 			/* Server major id matches. */
 			if ((dsp->nfsclds_flags & NFSCLDS_DS) != 0) {
 				*retdspp = dsp;
 				return (NFSDSP_USETHISSESSION);
 			}
 		}
 	}
 	if (fndseq != 0)
 		return (NFSDSP_SEQTHISSESSION);
 	return (NFSDSP_NOTFOUND);
 }
 
 /*
  * NFS commit rpc to a NFSv4.1 DS.
  */
 static int
 nfsrpc_commitds(vnode_t vp, uint64_t offset, int cnt, struct nfsclds *dsp,
     struct nfsfh *fhp, int vers, int minorvers, struct ucred *cred,
     NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfssockreq *nrp;
 	struct nfsvattr na;
 	int attrflag, error;
 
 	nd->nd_mrep = NULL;
 	if (vers == 0 || vers == NFS_VER4) {
 		nfscl_reqstart(nd, NFSPROC_COMMITDS, nmp, fhp->nfh_fh,
 		    fhp->nfh_len, NULL, &dsp->nfsclds_sess, vers, minorvers,
 		    NULL);
 		vers = NFS_VER4;
 	} else {
 		nfscl_reqstart(nd, NFSPROC_COMMIT, nmp, fhp->nfh_fh,
 		    fhp->nfh_len, NULL, &dsp->nfsclds_sess, vers, minorvers,
 		    NULL);
 		NFSDECRGLOBAL(nfsstatsv1.rpccnt[NFSPROC_COMMIT]);
 		NFSINCRGLOBAL(nfsstatsv1.rpccnt[NFSPROC_COMMITDS]);
 	}
 	NFSCL_DEBUG(4, "nfsrpc_commitds: vers=%d minvers=%d\n", vers,
 	    minorvers);
 	NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + NFSX_UNSIGNED);
 	txdr_hyper(offset, tl);
 	tl += 2;
 	*tl = txdr_unsigned(cnt);
 	nrp = dsp->nfsclds_sockp;
 	if (nrp == NULL)
 		/* If NULL, use the MDS socket. */
 		nrp = &nmp->nm_sockreq;
 	error = newnfs_request(nd, nmp, NULL, nrp, vp, p, cred,
 	    NFS_PROG, vers, NULL, 1, NULL, &dsp->nfsclds_sess);
 	NFSCL_DEBUG(4, "nfsrpc_commitds: err=%d stat=%d\n", error,
 	    nd->nd_repstat);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		if (vers == NFS_VER3) {
 			error = nfscl_wcc_data(nd, vp, &na, &attrflag, NULL,
 			    NULL);
 			NFSCL_DEBUG(4, "nfsrpc_commitds: wccdata=%d\n", error);
 			if (error != 0)
 				goto nfsmout;
 		}
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF);
 		NFSLOCKDS(dsp);
 		if (NFSBCMP(tl, dsp->nfsclds_verf, NFSX_VERF)) {
 			NFSBCOPY(tl, dsp->nfsclds_verf, NFSX_VERF);
 			error = NFSERR_STALEWRITEVERF;
 		}
 		NFSUNLOCKDS(dsp);
 	}
 nfsmout:
 	if (error == 0 && nd->nd_repstat != 0)
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Start up the thread that will execute nfsrpc_commitds().
  */
 static void
 start_commitds(void *arg, int pending)
 {
 	struct nfsclwritedsdorpc *drpc;
 
 	drpc = (struct nfsclwritedsdorpc *)arg;
 	drpc->err = nfsrpc_commitds(drpc->vp, drpc->off, drpc->len,
 	    drpc->dsp, drpc->fhp, drpc->vers, drpc->minorvers, drpc->cred,
 	    drpc->p);
 	drpc->done = 1;
 	crfree(drpc->cred);
 	NFSCL_DEBUG(4, "start_commitds: err=%d\n", drpc->err);
 }
 
 /*
  * Set up the commit DS mirror call for the pNFS I/O thread.
  */
 static int
 nfsio_commitds(vnode_t vp, uint64_t offset, int cnt, struct nfsclds *dsp,
     struct nfsfh *fhp, int vers, int minorvers,
     struct nfsclwritedsdorpc *drpc, struct ucred *cred, NFSPROC_T *p)
 {
 	int error, ret;
 
 	error = 0;
 	drpc->done = 0;
 	drpc->vp = vp;
 	drpc->off = offset;
 	drpc->len = cnt;
 	drpc->dsp = dsp;
 	drpc->fhp = fhp;
 	drpc->vers = vers;
 	drpc->minorvers = minorvers;
 	drpc->cred = crhold(cred);
 	drpc->p = p;
 	drpc->inprog = 0;
 	ret = EIO;
 	if (nfs_pnfsiothreads != 0) {
 		ret = nfs_pnfsio(start_commitds, drpc);
 		NFSCL_DEBUG(4, "nfsio_commitds: nfs_pnfsio=%d\n", ret);
 	}
 	if (ret != 0) {
 		error = nfsrpc_commitds(vp, offset, cnt, dsp, fhp, vers,
 		    minorvers, cred, p);
 		crfree(drpc->cred);
 	}
 	NFSCL_DEBUG(4, "nfsio_commitds: error=%d\n", error);
 	return (error);
 }
 
 /*
  * NFS Advise rpc
  */
 int
 nfsrpc_advise(vnode_t vp, off_t offset, uint64_t cnt, int advise,
     struct ucred *cred, NFSPROC_T *p)
 {
 	u_int32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	nfsattrbit_t hints;
 	int error;
 
 	NFSZERO_ATTRBIT(&hints);
 	if (advise == POSIX_FADV_WILLNEED)
 		NFSSETBIT_ATTRBIT(&hints, NFSV4IOHINT_WILLNEED);
 	else if (advise == POSIX_FADV_DONTNEED)
 		NFSSETBIT_ATTRBIT(&hints, NFSV4IOHINT_DONTNEED);
 	else
 		return (0);
 	NFSCL_REQSTART(nd, NFSPROC_IOADVISE, vp, cred);
 	nfsm_stateidtom(nd, NULL, NFSSTATEID_PUTALLZERO);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER);
 	txdr_hyper(offset, tl);
 	tl += 2;
 	txdr_hyper(cnt, tl);
 	nfsrv_putattrbit(nd, &hints);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat != 0)
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 #ifdef notyet
 /*
  * NFS advise rpc to a NFSv4.2 DS.
  */
 static int
 nfsrpc_adviseds(vnode_t vp, uint64_t offset, int cnt, int advise,
     struct nfsclds *dsp, struct nfsfh *fhp, int vers, int minorvers,
     struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfssockreq *nrp;
 	nfsattrbit_t hints;
 	int error;
 
 	/* For NFS DSs prior to NFSv4.2, just return OK. */
 	if (vers == NFS_VER3 || minorversion < NFSV42_MINORVERSION)
 		return (0);
 	NFSZERO_ATTRBIT(&hints);
 	if (advise == POSIX_FADV_WILLNEED)
 		NFSSETBIT_ATTRBIT(&hints, NFSV4IOHINT_WILLNEED);
 	else if (advise == POSIX_FADV_DONTNEED)
 		NFSSETBIT_ATTRBIT(&hints, NFSV4IOHINT_DONTNEED);
 	else
 		return (0);
 	nd->nd_mrep = NULL;
 	nfscl_reqstart(nd, NFSPROC_IOADVISEDS, nmp, fhp->nfh_fh,
 	    fhp->nfh_len, NULL, &dsp->nfsclds_sess, vers, minorvers, NULL);
 	vers = NFS_VER4;
 	NFSCL_DEBUG(4, "nfsrpc_adviseds: vers=%d minvers=%d\n", vers,
 	    minorvers);
 	nfsm_stateidtom(nd, NULL, NFSSTATEID_PUTALLZERO);
 	NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + NFSX_UNSIGNED);
 	txdr_hyper(offset, tl);
 	tl += 2;
 	*tl = txdr_unsigned(cnt);
 	nfsrv_putattrbit(nd, &hints);
 	nrp = dsp->nfsclds_sockp;
 	if (nrp == NULL)
 		/* If NULL, use the MDS socket. */
 		nrp = &nmp->nm_sockreq;
 	error = newnfs_request(nd, nmp, NULL, nrp, vp, p, cred,
 	    NFS_PROG, vers, NULL, 1, NULL, &dsp->nfsclds_sess);
 	NFSCL_DEBUG(4, "nfsrpc_adviseds: err=%d stat=%d\n", error,
 	    nd->nd_repstat);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat != 0)
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Start up the thread that will execute nfsrpc_commitds().
  */
 static void
 start_adviseds(void *arg, int pending)
 {
 	struct nfsclwritedsdorpc *drpc;
 
 	drpc = (struct nfsclwritedsdorpc *)arg;
 	drpc->err = nfsrpc_adviseds(drpc->vp, drpc->off, drpc->len,
 	    drpc->advise, drpc->dsp, drpc->fhp, drpc->vers, drpc->minorvers,
 	    drpc->cred, drpc->p);
 	drpc->done = 1;
 	crfree(drpc->cred);
 	NFSCL_DEBUG(4, "start_adviseds: err=%d\n", drpc->err);
 }
 
 /*
  * Set up the advise DS mirror call for the pNFS I/O thread.
  */
 static int
 nfsio_adviseds(vnode_t vp, uint64_t offset, int cnt, int advise,
     struct nfsclds *dsp, struct nfsfh *fhp, int vers, int minorvers,
     struct nfsclwritedsdorpc *drpc, struct ucred *cred, NFSPROC_T *p)
 {
 	int error, ret;
 
 	error = 0;
 	drpc->done = 0;
 	drpc->vp = vp;
 	drpc->off = offset;
 	drpc->len = cnt;
 	drpc->advise = advise;
 	drpc->dsp = dsp;
 	drpc->fhp = fhp;
 	drpc->vers = vers;
 	drpc->minorvers = minorvers;
 	drpc->cred = crhold(cred);
 	drpc->p = p;
 	drpc->inprog = 0;
 	ret = EIO;
 	if (nfs_pnfsiothreads != 0) {
 		ret = nfs_pnfsio(start_adviseds, drpc);
 		NFSCL_DEBUG(4, "nfsio_adviseds: nfs_pnfsio=%d\n", ret);
 	}
 	if (ret != 0) {
 		error = nfsrpc_adviseds(vp, offset, cnt, advise, dsp, fhp, vers,
 		    minorvers, cred, p);
 		crfree(drpc->cred);
 	}
 	NFSCL_DEBUG(4, "nfsio_adviseds: error=%d\n", error);
 	return (error);
 }
 #endif	/* notyet */
 
 /*
  * Do the Allocate operation, retrying for recovery.
  */
 int
 nfsrpc_allocate(vnode_t vp, off_t off, off_t len, struct nfsvattr *nap,
     int *attrflagp, struct ucred *cred, NFSPROC_T *p)
 {
 	int error, expireret = 0, retrycnt, nostateid;
 	uint32_t clidrev = 0;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsfh *nfhp = NULL;
 	nfsv4stateid_t stateid;
 	off_t tmp_off;
 	void *lckp;
 
 	if (len < 0)
 		return (EINVAL);
 	if (len == 0)
 		return (0);
 	tmp_off = off + len;
 	NFSLOCKMNT(nmp);
 	if (tmp_off > nmp->nm_maxfilesize || tmp_off < off) {
 		NFSUNLOCKMNT(nmp);
 		return (EFBIG);
 	}
 	if (nmp->nm_clp != NULL)
 		clidrev = nmp->nm_clp->nfsc_clientidrev;
 	NFSUNLOCKMNT(nmp);
 	nfhp = VTONFS(vp)->n_fhp;
 	retrycnt = 0;
 	do {
 		lckp = NULL;
 		nostateid = 0;
 		nfscl_getstateid(vp, nfhp->nfh_fh, nfhp->nfh_len,
 		    NFSV4OPEN_ACCESSWRITE, 0, cred, p, &stateid, &lckp);
 		if (stateid.other[0] == 0 && stateid.other[1] == 0 &&
 		    stateid.other[2] == 0) {
 			nostateid = 1;
 			NFSCL_DEBUG(1, "stateid0 in allocate\n");
 		}
 
 		/*
 		 * Not finding a stateid should probably never happen,
 		 * but just return an error for this case.
 		 */
 		if (nostateid != 0)
 			error = EIO;
 		else
 			error = nfsrpc_allocaterpc(vp, off, len, &stateid,
 			    nap, attrflagp, cred, p);
 		if (error == NFSERR_STALESTATEID)
 			nfscl_initiate_recovery(nmp->nm_clp);
 		if (lckp != NULL)
 			nfscl_lockderef(lckp);
 		if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 		    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		    error == NFSERR_OLDSTATEID || error == NFSERR_BADSESSION) {
 			(void) nfs_catnap(PZERO, error, "nfs_allocate");
 		} else if ((error == NFSERR_EXPIRED || (!NFSHASINT(nmp) &&
 		    error == NFSERR_BADSTATEID)) && clidrev != 0) {
 			expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
 		} else if (error == NFSERR_BADSTATEID && NFSHASINT(nmp)) {
 			error = EIO;
 		}
 		retrycnt++;
 	} while (error == NFSERR_GRACE || error == NFSERR_DELAY ||
 	    error == NFSERR_STALESTATEID || error == NFSERR_BADSESSION ||
 	    error == NFSERR_STALEDONTRECOVER ||
 	    (error == NFSERR_OLDSTATEID && retrycnt < 20) ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4));
 	if (error != 0 && retrycnt >= 4)
 		error = EIO;
 	return (error);
 }
 
 /*
  * The allocate RPC.
  */
 static int
 nfsrpc_allocaterpc(vnode_t vp, off_t off, off_t len, nfsv4stateid_t *stateidp,
     struct nfsvattr *nap, int *attrflagp, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	int error;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	nfsattrbit_t attrbits;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_ALLOCATE, vp, cred);
 	nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_UNSIGNED);
 	txdr_hyper(off, tl); tl += 2;
 	txdr_hyper(len, tl); tl += 2;
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsm_loadattr(nd, nap);
 		if (error == 0)
 			*attrflagp = NFS_LATTR_NOSHRINK;
 	} else
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Set up the XDR arguments for the LayoutGet operation.
  */
 static void
 nfsrv_setuplayoutget(struct nfsrv_descript *nd, int iomode, uint64_t offset,
     uint64_t len, uint64_t minlen, nfsv4stateid_t *stateidp, int layouttype,
     int layoutlen, int usecurstateid)
 {
 	uint32_t *tl;
 
 	NFSM_BUILD(tl, uint32_t *, 4 * NFSX_UNSIGNED + 3 * NFSX_HYPER +
 	    NFSX_STATEID);
 	*tl++ = newnfs_false;		/* Don't signal availability. */
 	*tl++ = txdr_unsigned(layouttype);
 	*tl++ = txdr_unsigned(iomode);
 	txdr_hyper(offset, tl);
 	tl += 2;
 	txdr_hyper(len, tl);
 	tl += 2;
 	txdr_hyper(minlen, tl);
 	tl += 2;
 	if (usecurstateid != 0) {
 		/* Special stateid for Current stateid. */
 		*tl++ = txdr_unsigned(1);
 		*tl++ = 0;
 		*tl++ = 0;
 		*tl++ = 0;
 	} else {
 		*tl++ = txdr_unsigned(stateidp->seqid);
 		NFSCL_DEBUG(4, "layget seq=%d\n", (int)stateidp->seqid);
 		*tl++ = stateidp->other[0];
 		*tl++ = stateidp->other[1];
 		*tl++ = stateidp->other[2];
 	}
 	*tl = txdr_unsigned(layoutlen);
 }
 
 /*
  * Parse the reply for a successful LayoutGet operation.
  */
 static int
 nfsrv_parselayoutget(struct nfsmount *nmp, struct nfsrv_descript *nd,
     nfsv4stateid_t *stateidp, int *retonclosep, struct nfsclflayouthead *flhp)
 {
 	uint32_t *tl;
 	struct nfsclflayout *flp, *prevflp, *tflp;
 	int cnt, error, fhcnt, gotiomode, i, iomode, j, k, l, laytype, nfhlen;
 	int m, mirrorcnt;
 	uint64_t retlen, off;
 	struct nfsfh *nfhp;
 	uint8_t *cp;
 	uid_t user;
 	gid_t grp;
 
 	NFSCL_DEBUG(4, "in nfsrv_parselayoutget\n");
 	error = 0;
 	flp = NULL;
 	gotiomode = -1;
 	NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED + NFSX_STATEID);
 	if (*tl++ != 0)
 		*retonclosep = 1;
 	else
 		*retonclosep = 0;
 	stateidp->seqid = fxdr_unsigned(uint32_t, *tl++);
 	NFSCL_DEBUG(4, "retoncls=%d stseq=%d\n", *retonclosep,
 	    (int)stateidp->seqid);
 	stateidp->other[0] = *tl++;
 	stateidp->other[1] = *tl++;
 	stateidp->other[2] = *tl++;
 	cnt = fxdr_unsigned(int, *tl);
 	NFSCL_DEBUG(4, "layg cnt=%d\n", cnt);
 	if (cnt <= 0 || cnt > 10000) {
 		/* Don't accept more than 10000 layouts in reply. */
 		error = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	for (i = 0; i < cnt; i++) {
 		/* Dissect to the layout type. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_HYPER +
 		    3 * NFSX_UNSIGNED);
 		off = fxdr_hyper(tl); tl += 2;
 		retlen = fxdr_hyper(tl); tl += 2;
 		iomode = fxdr_unsigned(int, *tl++);
 		laytype = fxdr_unsigned(int, *tl);
 		NFSCL_DEBUG(4, "layt=%d off=%ju len=%ju iom=%d\n", laytype,
 		    (uintmax_t)off, (uintmax_t)retlen, iomode);
 		/* Ignore length of layout body for now. */
 		if (laytype == NFSLAYOUT_NFSV4_1_FILES) {
 			/* Parse the File layout up to fhcnt. */
 			NFSM_DISSECT(tl, uint32_t *, 3 * NFSX_UNSIGNED +
 			    NFSX_HYPER + NFSX_V4DEVICEID);
 			fhcnt = fxdr_unsigned(int, *(tl + 4 +
 			    NFSX_V4DEVICEID / NFSX_UNSIGNED));
 			NFSCL_DEBUG(4, "fhcnt=%d\n", fhcnt);
 			if (fhcnt < 0 || fhcnt > 100) {
 				/* Don't accept more than 100 file handles. */
 				error = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 			if (fhcnt > 0)
 				flp = malloc(sizeof(*flp) + fhcnt *
 				    sizeof(struct nfsfh *), M_NFSFLAYOUT,
 				    M_WAITOK);
 			else
 				flp = malloc(sizeof(*flp), M_NFSFLAYOUT,
 				    M_WAITOK);
 			flp->nfsfl_flags = NFSFL_FILE;
 			flp->nfsfl_fhcnt = 0;
 			flp->nfsfl_devp = NULL;
 			flp->nfsfl_off = off;
 			if (flp->nfsfl_off + retlen < flp->nfsfl_off)
 				flp->nfsfl_end = UINT64_MAX - flp->nfsfl_off;
 			else
 				flp->nfsfl_end = flp->nfsfl_off + retlen;
 			flp->nfsfl_iomode = iomode;
 			if (gotiomode == -1)
 				gotiomode = flp->nfsfl_iomode;
 			/* Ignore layout body length for now. */
 			NFSBCOPY(tl, flp->nfsfl_dev, NFSX_V4DEVICEID);
 			tl += (NFSX_V4DEVICEID / NFSX_UNSIGNED);
 			flp->nfsfl_util = fxdr_unsigned(uint32_t, *tl++);
 			NFSCL_DEBUG(4, "flutil=0x%x\n", flp->nfsfl_util);
 			mtx_lock(&nmp->nm_mtx);
 			if (nmp->nm_minorvers > 1 && (flp->nfsfl_util &
 			    NFSFLAYUTIL_IOADVISE_THRU_MDS) != 0)
 				nmp->nm_privflag |= NFSMNTP_IOADVISETHRUMDS;
 			mtx_unlock(&nmp->nm_mtx);
 			flp->nfsfl_stripe1 = fxdr_unsigned(uint32_t, *tl++);
 			flp->nfsfl_patoff = fxdr_hyper(tl); tl += 2;
 			NFSCL_DEBUG(4, "stripe1=%u poff=%ju\n",
 			    flp->nfsfl_stripe1, (uintmax_t)flp->nfsfl_patoff);
 			for (j = 0; j < fhcnt; j++) {
 				NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 				nfhlen = fxdr_unsigned(int, *tl);
 				if (nfhlen <= 0 || nfhlen > NFSX_V4FHMAX) {
 					error = NFSERR_BADXDR;
 					goto nfsmout;
 				}
 				nfhp = malloc(sizeof(*nfhp) + nfhlen - 1,
 				    M_NFSFH, M_WAITOK);
 				flp->nfsfl_fh[j] = nfhp;
 				flp->nfsfl_fhcnt++;
 				nfhp->nfh_len = nfhlen;
 				NFSM_DISSECT(cp, uint8_t *, NFSM_RNDUP(nfhlen));
 				NFSBCOPY(cp, nfhp->nfh_fh, nfhlen);
 			}
 		} else if (laytype == NFSLAYOUT_FLEXFILE) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED +
 			    NFSX_HYPER);
 			mirrorcnt = fxdr_unsigned(int, *(tl + 2));
 			NFSCL_DEBUG(4, "mirrorcnt=%d\n", mirrorcnt);
 			if (mirrorcnt < 1 || mirrorcnt > NFSDEV_MAXMIRRORS) {
 				error = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 			flp = malloc(sizeof(*flp) + mirrorcnt *
 			    sizeof(struct nfsffm), M_NFSFLAYOUT, M_WAITOK);
 			flp->nfsfl_flags = NFSFL_FLEXFILE;
 			flp->nfsfl_mirrorcnt = mirrorcnt;
 			for (j = 0; j < mirrorcnt; j++)
 				flp->nfsfl_ffm[j].devp = NULL;
 			flp->nfsfl_off = off;
 			if (flp->nfsfl_off + retlen < flp->nfsfl_off)
 				flp->nfsfl_end = UINT64_MAX - flp->nfsfl_off;
 			else
 				flp->nfsfl_end = flp->nfsfl_off + retlen;
 			flp->nfsfl_iomode = iomode;
 			if (gotiomode == -1)
 				gotiomode = flp->nfsfl_iomode;
 			flp->nfsfl_stripeunit = fxdr_hyper(tl);
 			NFSCL_DEBUG(4, "stripeunit=%ju\n",
 			    (uintmax_t)flp->nfsfl_stripeunit);
 			for (j = 0; j < mirrorcnt; j++) {
 				NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 				k = fxdr_unsigned(int, *tl);
 				if (k < 1 || k > 128) {
 					error = NFSERR_BADXDR;
 					goto nfsmout;
 				}
 				NFSCL_DEBUG(4, "servercnt=%d\n", k);
 				for (l = 0; l < k; l++) {
 					NFSM_DISSECT(tl, uint32_t *,
 					    NFSX_V4DEVICEID + NFSX_STATEID +
 					    2 * NFSX_UNSIGNED);
 					if (l == 0) {
 						/* Just use the first server. */
 						NFSBCOPY(tl,
 						    flp->nfsfl_ffm[j].dev,
 						    NFSX_V4DEVICEID);
 						tl += (NFSX_V4DEVICEID /
 						    NFSX_UNSIGNED);
 						tl++;
 						flp->nfsfl_ffm[j].st.seqid =
 						    *tl++;
 						flp->nfsfl_ffm[j].st.other[0] =
 						    *tl++;
 						flp->nfsfl_ffm[j].st.other[1] =
 						    *tl++;
 						flp->nfsfl_ffm[j].st.other[2] =
 						    *tl++;
 						NFSCL_DEBUG(4, "st.seqid=%u "
 						 "st.o0=0x%x st.o1=0x%x "
 						 "st.o2=0x%x\n",
 						 flp->nfsfl_ffm[j].st.seqid,
 						 flp->nfsfl_ffm[j].st.other[0],
 						 flp->nfsfl_ffm[j].st.other[1],
 						 flp->nfsfl_ffm[j].st.other[2]);
 					} else
 						tl += ((NFSX_V4DEVICEID +
 						    NFSX_STATEID +
 						    NFSX_UNSIGNED) /
 						    NFSX_UNSIGNED);
 					fhcnt = fxdr_unsigned(int, *tl);
 					NFSCL_DEBUG(4, "fhcnt=%d\n", fhcnt);
 					if (fhcnt < 1 ||
 					    fhcnt > NFSDEV_MAXVERS) {
 						error = NFSERR_BADXDR;
 						goto nfsmout;
 					}
 					for (m = 0; m < fhcnt; m++) {
 						NFSM_DISSECT(tl, uint32_t *,
 						    NFSX_UNSIGNED);
 						nfhlen = fxdr_unsigned(int,
 						    *tl);
 						NFSCL_DEBUG(4, "nfhlen=%d\n",
 						    nfhlen);
 						if (nfhlen <= 0 || nfhlen >
 						    NFSX_V4FHMAX) {
 							error = NFSERR_BADXDR;
 							goto nfsmout;
 						}
 						NFSM_DISSECT(cp, uint8_t *,
 						    NFSM_RNDUP(nfhlen));
 						if (l == 0) {
 							flp->nfsfl_ffm[j].fhcnt 
 							    = fhcnt;
 							nfhp = malloc(
 							    sizeof(*nfhp) +
 							    nfhlen - 1, M_NFSFH,
 							    M_WAITOK);
 							flp->nfsfl_ffm[j].fh[m]
 							    = nfhp;
 							nfhp->nfh_len = nfhlen;
 							NFSBCOPY(cp,
 							    nfhp->nfh_fh,
 							    nfhlen);
 							NFSCL_DEBUG(4,
 							    "got fh\n");
 						}
 					}
 					/* Now, get the ffsd_user/ffds_group. */
 					error = nfsrv_parseug(nd, 0, &user,
 					    &grp, curthread);
 					NFSCL_DEBUG(4, "after parseu=%d\n",
 					    error);
 					if (error == 0)
 						error = nfsrv_parseug(nd, 1,
 						    &user, &grp, curthread);
 					NFSCL_DEBUG(4, "aft parseg=%d\n",
 					    grp);
 					if (error != 0)
 						goto nfsmout;
 					NFSCL_DEBUG(4, "user=%d group=%d\n",
 					    user, grp);
 					if (l == 0) {
 						flp->nfsfl_ffm[j].user = user;
 						flp->nfsfl_ffm[j].group = grp;
 						NFSCL_DEBUG(4,
 						    "usr=%d grp=%d\n", user,
 						    grp);
 					}
 				}
 			}
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			flp->nfsfl_fflags = fxdr_unsigned(uint32_t, *tl++);
 #ifdef notnow
 			/*
 			 * At this time, there is no flag.
 			 * NFSFLEXFLAG_IOADVISE_THRU_MDS might need to be
 			 * added, or it may never exist?
 			 */
 			mtx_lock(&nmp->nm_mtx);
 			if (nmp->nm_minorvers > 1 && (flp->nfsfl_fflags &
 			    NFSFLEXFLAG_IOADVISE_THRU_MDS) != 0)
 				nmp->nm_privflag |= NFSMNTP_IOADVISETHRUMDS;
 			mtx_unlock(&nmp->nm_mtx);
 #endif
 			flp->nfsfl_statshint = fxdr_unsigned(uint32_t, *tl);
 			NFSCL_DEBUG(4, "fflags=0x%x statshint=%d\n",
 			    flp->nfsfl_fflags, flp->nfsfl_statshint);
 		} else {
 			error = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 		if (flp->nfsfl_iomode == gotiomode) {
 			/* Keep the list in increasing offset order. */
 			tflp = LIST_FIRST(flhp);
 			prevflp = NULL;
 			while (tflp != NULL &&
 			    tflp->nfsfl_off < flp->nfsfl_off) {
 				prevflp = tflp;
 				tflp = LIST_NEXT(tflp, nfsfl_list);
 			}
 			if (prevflp == NULL)
 				LIST_INSERT_HEAD(flhp, flp, nfsfl_list);
 			else
 				LIST_INSERT_AFTER(prevflp, flp,
 				    nfsfl_list);
 			NFSCL_DEBUG(4, "flp inserted\n");
 		} else {
 			printf("nfscl_layoutget(): got wrong iomode\n");
 			nfscl_freeflayout(flp);
 		}
 		flp = NULL;
 	}
 nfsmout:
 	NFSCL_DEBUG(4, "eo nfsrv_parselayoutget=%d\n", error);
 	if (error != 0 && flp != NULL)
 		nfscl_freeflayout(flp);
 	return (error);
 }
 
 /*
  * Parse a user/group digit string.
  */
 static int
 nfsrv_parseug(struct nfsrv_descript *nd, int dogrp, uid_t *uidp, gid_t *gidp,
     NFSPROC_T *p)
 {
 	uint32_t *tl;
 	char *cp, *str, str0[NFSV4_SMALLSTR + 1];
 	uint32_t len = 0;
 	int error = 0;
 
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	len = fxdr_unsigned(uint32_t, *tl);
 	str = NULL;
 	if (len > NFSV4_OPAQUELIMIT) {
 		error = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	NFSCL_DEBUG(4, "nfsrv_parseug: len=%d\n", len);
 	if (len == 0) {
 		if (dogrp != 0)
 			*gidp = GID_NOGROUP;
 		else
 			*uidp = UID_NOBODY;
 		return (0);
 	}
 	if (len > NFSV4_SMALLSTR)
 		str = malloc(len + 1, M_TEMP, M_WAITOK);
 	else
 		str = str0;
 	NFSM_DISSECT(cp, char *, NFSM_RNDUP(len));
 	NFSBCOPY(cp, str, len);
 	str[len] = '\0';
 	NFSCL_DEBUG(4, "nfsrv_parseug: str=%s\n", str);
 	if (dogrp != 0)
 		error = nfsv4_strtogid(nd, str, len, gidp);
 	else
 		error = nfsv4_strtouid(nd, str, len, uidp);
 nfsmout:
 	if (len > NFSV4_SMALLSTR)
 		free(str, M_TEMP);
 	NFSCL_DEBUG(4, "eo nfsrv_parseug=%d\n", error);
 	return (error);
 }
 
 /*
  * Similar to nfsrpc_getlayout(), except that it uses nfsrpc_openlayget(),
  * so that it does both an Open and a Layoutget.
  */
 static int
 nfsrpc_getopenlayout(struct nfsmount *nmp, vnode_t vp, u_int8_t *nfhp,
     int fhlen, uint8_t *newfhp, int newfhlen, uint32_t mode,
     struct nfsclopen *op, uint8_t *name, int namelen, struct nfscldeleg **dpp,
     struct ucred *cred, NFSPROC_T *p)
 {
 	struct nfscllayout *lyp;
 	struct nfsclflayout *flp;
 	struct nfsclflayouthead flh;
 	int error, islocked, layoutlen, recalled, retonclose, usecurstateid;
 	int layouttype, laystat;
 	nfsv4stateid_t stateid;
 	struct nfsclsession *tsep;
 
 	error = 0;
 	if (NFSHASFLEXFILE(nmp))
 		layouttype = NFSLAYOUT_FLEXFILE;
 	else
 		layouttype = NFSLAYOUT_NFSV4_1_FILES;
 	/*
 	 * If lyp is returned non-NULL, there will be a refcnt (shared lock)
 	 * on it, iff flp != NULL or a lock (exclusive lock) on it iff
 	 * flp == NULL.
 	 */
 	lyp = nfscl_getlayout(nmp->nm_clp, newfhp, newfhlen, 0, mode, &flp,
 	    &recalled);
 	NFSCL_DEBUG(4, "nfsrpc_getopenlayout nfscl_getlayout lyp=%p\n", lyp);
 	if (lyp == NULL)
 		islocked = 0;
 	else if (flp != NULL)
 		islocked = 1;
 	else
 		islocked = 2;
 	if ((lyp == NULL || flp == NULL) && recalled == 0) {
 		LIST_INIT(&flh);
 		tsep = nfsmnt_mdssession(nmp);
 		layoutlen = tsep->nfsess_maxcache - (NFSX_STATEID +
 		    3 * NFSX_UNSIGNED);
 		if (lyp == NULL)
 			usecurstateid = 1;
 		else {
 			usecurstateid = 0;
 			stateid.seqid = lyp->nfsly_stateid.seqid;
 			stateid.other[0] = lyp->nfsly_stateid.other[0];
 			stateid.other[1] = lyp->nfsly_stateid.other[1];
 			stateid.other[2] = lyp->nfsly_stateid.other[2];
 		}
 		error = nfsrpc_openlayoutrpc(nmp, vp, nfhp, fhlen,
 		    newfhp, newfhlen, mode, op, name, namelen,
 		    dpp, &stateid, usecurstateid, layouttype, layoutlen,
 		    &retonclose, &flh, &laystat, cred, p);
 		NFSCL_DEBUG(4, "aft nfsrpc_openlayoutrpc laystat=%d err=%d\n",
 		    laystat, error);
 		laystat = nfsrpc_layoutgetres(nmp, vp, newfhp, newfhlen,
 		    &stateid, retonclose, NULL, &lyp, &flh, layouttype, laystat,
 		    &islocked, cred, p);
 	} else
 		error = nfsrpc_openrpc(nmp, vp, nfhp, fhlen, newfhp, newfhlen,
 		    mode, op, name, namelen, dpp, 0, 0, cred, p, 0, 0);
 	if (islocked == 2)
 		nfscl_rellayout(lyp, 1);
 	else if (islocked == 1)
 		nfscl_rellayout(lyp, 0);
 	return (error);
 }
 
 /*
  * This function does an Open+LayoutGet for an NFSv4.1 mount with pNFS
  * enabled, only for the CLAIM_NULL case.  All other NFSv4 Opens are
  * handled by nfsrpc_openrpc().
  * For the case where op == NULL, dvp is the directory.  When op != NULL, it
  * can be NULL.
  */
 static int
 nfsrpc_openlayoutrpc(struct nfsmount *nmp, vnode_t vp, u_int8_t *nfhp,
     int fhlen, uint8_t *newfhp, int newfhlen, uint32_t mode,
     struct nfsclopen *op, uint8_t *name, int namelen, struct nfscldeleg **dpp,
     nfsv4stateid_t *stateidp, int usecurstateid, int layouttype,
     int layoutlen, int *retonclosep, struct nfsclflayouthead *flhp,
     int *laystatp, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfscldeleg *ndp = NULL;
 	struct nfsvattr nfsva;
 	struct nfsclsession *tsep;
 	uint32_t rflags, deleg;
 	nfsattrbit_t attrbits;
 	int error, ret, acesize, limitby, iomode;
 
 	*dpp = NULL;
 	*laystatp = ENXIO;
 	nfscl_reqstart(nd, NFSPROC_OPENLAYGET, nmp, nfhp, fhlen, NULL, NULL,
 	    0, 0, cred);
 	NFSM_BUILD(tl, uint32_t *, 5 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(op->nfso_own->nfsow_seqid);
 	*tl++ = txdr_unsigned(mode & (NFSV4OPEN_ACCESSBOTH |
 	    NFSV4OPEN_WANTDELEGMASK));
 	*tl++ = txdr_unsigned((mode >> NFSLCK_SHIFT) & NFSV4OPEN_DENYBOTH);
 	tsep = nfsmnt_mdssession(nmp);
 	*tl++ = tsep->nfsess_clientid.lval[0];
 	*tl = tsep->nfsess_clientid.lval[1];
 	nfsm_strtom(nd, op->nfso_own->nfsow_owner, NFSV4CL_LOCKNAMELEN);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(NFSV4OPEN_NOCREATE);
 	if (NFSHASNFSV4N(nmp)) {
 		*tl = txdr_unsigned(NFSV4OPEN_CLAIMFH);
 	} else {
 		*tl = txdr_unsigned(NFSV4OPEN_CLAIMNULL);
 		nfsm_strtom(nd, name, namelen);
 	}
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY);
 	nfsrv_putattrbit(nd, &attrbits);
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_LAYOUTGET);
 	if ((mode & NFSV4OPEN_ACCESSWRITE) != 0)
 		iomode = NFSLAYOUTIOMODE_RW;
 	else
 		iomode = NFSLAYOUTIOMODE_READ;
 	nfsrv_setuplayoutget(nd, iomode, 0, UINT64_MAX, 0, stateidp,
 	    layouttype, layoutlen, usecurstateid);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, vp, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0)
 		return (error);
 	NFSCL_INCRSEQID(op->nfso_own->nfsow_seqid, nd);
 	if (nd->nd_repstat != 0)
 		*laystatp = nd->nd_repstat;
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 		/* ND_NOMOREDATA will be set if the Open operation failed. */
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
 		    6 * NFSX_UNSIGNED);
 		op->nfso_stateid.seqid = *tl++;
 		op->nfso_stateid.other[0] = *tl++;
 		op->nfso_stateid.other[1] = *tl++;
 		op->nfso_stateid.other[2] = *tl;
 		rflags = fxdr_unsigned(u_int32_t, *(tl + 6));
 		error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 		if (error != 0)
 			goto nfsmout;
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		deleg = fxdr_unsigned(u_int32_t, *tl);
 		if (deleg == NFSV4OPEN_DELEGATEREAD ||
 		    deleg == NFSV4OPEN_DELEGATEWRITE) {
 			if (!(op->nfso_own->nfsow_clp->nfsc_flags &
 			      NFSCLFLAGS_FIRSTDELEG))
 				op->nfso_own->nfsow_clp->nfsc_flags |=
 				  (NFSCLFLAGS_FIRSTDELEG | NFSCLFLAGS_GOTDELEG);
 			ndp = malloc(sizeof(struct nfscldeleg) + newfhlen,
 			    M_NFSCLDELEG, M_WAITOK);
 			LIST_INIT(&ndp->nfsdl_owner);
 			LIST_INIT(&ndp->nfsdl_lock);
 			ndp->nfsdl_clp = op->nfso_own->nfsow_clp;
 			ndp->nfsdl_fhlen = newfhlen;
 			NFSBCOPY(newfhp, ndp->nfsdl_fh, newfhlen);
 			newnfs_copyincred(cred, &ndp->nfsdl_cred);
 			nfscl_lockinit(&ndp->nfsdl_rwlock);
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
 			    NFSX_UNSIGNED);
 			ndp->nfsdl_stateid.seqid = *tl++;
 			ndp->nfsdl_stateid.other[0] = *tl++;
 			ndp->nfsdl_stateid.other[1] = *tl++;
 			ndp->nfsdl_stateid.other[2] = *tl++;
 			ret = fxdr_unsigned(int, *tl);
 			if (deleg == NFSV4OPEN_DELEGATEWRITE) {
 				ndp->nfsdl_flags = NFSCLDL_WRITE;
 				/*
 				 * Indicates how much the file can grow.
 				 */
 				NFSM_DISSECT(tl, u_int32_t *,
 				    3 * NFSX_UNSIGNED);
 				limitby = fxdr_unsigned(int, *tl++);
 				switch (limitby) {
 				case NFSV4OPEN_LIMITSIZE:
 					ndp->nfsdl_sizelimit = fxdr_hyper(tl);
 					break;
 				case NFSV4OPEN_LIMITBLOCKS:
 					ndp->nfsdl_sizelimit =
 					    fxdr_unsigned(u_int64_t, *tl++);
 					ndp->nfsdl_sizelimit *=
 					    fxdr_unsigned(u_int64_t, *tl);
 					break;
 				default:
 					error = NFSERR_BADXDR;
 					goto nfsmout;
 				};
 			} else
 				ndp->nfsdl_flags = NFSCLDL_READ;
 			if (ret != 0)
 				ndp->nfsdl_flags |= NFSCLDL_RECALL;
 			error = nfsrv_dissectace(nd, &ndp->nfsdl_ace, false,
 			    &ret, &acesize, p);
 			if (error != 0)
 				goto nfsmout;
 		} else if (deleg == NFSV4OPEN_DELEGATENONEEXT &&
 		    NFSHASNFSV4N(nmp)) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			deleg = fxdr_unsigned(uint32_t, *tl);
 			if (deleg == NFSV4OPEN_CONTENTION ||
 			    deleg == NFSV4OPEN_RESOURCE)
 				NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		} else if (deleg != NFSV4OPEN_DELEGATENONE) {
 			error = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 		if ((rflags & NFSV4OPEN_LOCKTYPEPOSIX) != 0 ||
 		    nfscl_assumeposixlocks)
 			op->nfso_posixlock = 1;
 		else
 			op->nfso_posixlock = 0;
 		NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		/* If the 2nd element == NFS_OK, the Getattr succeeded. */
 		if (*++tl == 0) {
 			error = nfsv4_loadattr(nd, NULL, &nfsva, NULL,
 			    NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
 			    NULL, NULL, NULL, NULL, NULL, p, cred);
 			if (error != 0)
 				goto nfsmout;
 			if (ndp != NULL) {
 				ndp->nfsdl_change = nfsva.na_filerev;
 				ndp->nfsdl_modtime = nfsva.na_mtime;
 				ndp->nfsdl_flags |= NFSCLDL_MODTIMESET;
 				*dpp = ndp;
 				ndp = NULL;
 			}
 			/*
 			 * At this point, the Open has succeeded, so set
 			 * nd_repstat = NFS_OK.  If the Layoutget failed,
 			 * this function just won't return a layout.
 			 */
 			if (nd->nd_repstat == 0) {
 				NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 				*laystatp = fxdr_unsigned(int, *++tl);
 				if (*laystatp == 0) {
 					error = nfsrv_parselayoutget(nmp, nd,
 					    stateidp, retonclosep, flhp);
 					if (error != 0)
 						*laystatp = error;
 				}
 			} else
 				nd->nd_repstat = 0;	/* Return 0 for Open. */
 		}
 	}
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	free(ndp, M_NFSCLDELEG);
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Similar nfsrpc_createv4(), but also does the LayoutGet operation.
  * Used only for mounts with pNFS enabled.
  */
 static int
 nfsrpc_createlayout(vnode_t dvp, char *name, int namelen, struct vattr *vap,
     nfsquad_t cverf, int fmode, struct nfsclowner *owp, struct nfscldeleg **dpp,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
     struct nfsvattr *nnap, struct nfsfh **nfhpp, int *attrflagp,
     int *dattrflagp, int *unlockedp, nfsv4stateid_t *stateidp,
     int usecurstateid, int layouttype, int layoutlen, int *retonclosep,
     struct nfsclflayouthead *flhp, int *laystatp)
 {
 	uint32_t *tl;
 	int error = 0, deleg, newone, ret, acesize, limitby;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	struct nfsclopen *op;
 	struct nfscldeleg *dp = NULL;
 	struct nfsnode *np;
 	struct nfsfh *nfhp;
 	struct nfsclsession *tsep;
 	nfsattrbit_t attrbits;
 	nfsv4stateid_t stateid;
 	struct nfsmount *nmp;
 
 	nmp = VFSTONFS(dvp->v_mount);
 	np = VTONFS(dvp);
 	*laystatp = ENXIO;
 	*unlockedp = 0;
 	*nfhpp = NULL;
 	*dpp = NULL;
 	*attrflagp = 0;
 	*dattrflagp = 0;
 	if (namelen > NFS_MAXNAMLEN)
 		return (ENAMETOOLONG);
 	NFSCL_REQSTART(nd, NFSPROC_CREATELAYGET, dvp, cred);
 	/*
 	 * For V4, this is actually an Open op.
 	 */
 	NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(owp->nfsow_seqid);
 	if (NFSHASNFSV4N(nmp)) {
 		if (!NFSHASPNFS(nmp) && nfscl_enablecallb != 0 &&
 		    nfs_numnfscbd > 0)
 			*tl++ = txdr_unsigned(NFSV4OPEN_ACCESSWRITE |
 			    NFSV4OPEN_ACCESSREAD | NFSV4OPEN_WANTWRITEDELEG);
 		else
 			*tl++ = txdr_unsigned(NFSV4OPEN_ACCESSWRITE |
 			    NFSV4OPEN_ACCESSREAD | NFSV4OPEN_WANTNODELEG);
 	} else
 		*tl++ = txdr_unsigned(NFSV4OPEN_ACCESSWRITE |
 		    NFSV4OPEN_ACCESSREAD);
 	*tl++ = txdr_unsigned(NFSV4OPEN_DENYNONE);
 	tsep = nfsmnt_mdssession(nmp);
 	*tl++ = tsep->nfsess_clientid.lval[0];
 	*tl = tsep->nfsess_clientid.lval[1];
 	nfsm_strtom(nd, owp->nfsow_owner, NFSV4CL_LOCKNAMELEN);
 	NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(NFSV4OPEN_CREATE);
 	if ((fmode & O_EXCL) != 0) {
 		if (NFSHASSESSPERSIST(nmp)) {
 			/* Use GUARDED for persistent sessions. */
 			*tl = txdr_unsigned(NFSCREATE_GUARDED);
 			nfscl_fillsattr(nd, vap, dvp, NFSSATTR_NEWFILE, 0);
 		} else {
 			/* Otherwise, use EXCLUSIVE4_1. */
 			*tl = txdr_unsigned(NFSCREATE_EXCLUSIVE41);
 			NFSM_BUILD(tl, u_int32_t *, NFSX_VERF);
 			*tl++ = cverf.lval[0];
 			*tl = cverf.lval[1];
 			nfscl_fillsattr(nd, vap, dvp, NFSSATTR_NEWFILE, 0);
 		}
 	} else {
 		*tl = txdr_unsigned(NFSCREATE_UNCHECKED);
 		nfscl_fillsattr(nd, vap, dvp, NFSSATTR_NEWFILE, 0);
 	}
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OPEN_CLAIMNULL);
 	nfsm_strtom(nd, name, namelen);
 	/* Get the new file's handle and attributes, plus save the FH. */
 	NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(NFSV4OP_SAVEFH);
 	*tl++ = txdr_unsigned(NFSV4OP_GETFH);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 	/* Get the directory's post-op attributes. */
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_PUTFH);
 	(void)nfsm_fhtom(nmp, nd, np->n_fhp->nfh_fh, np->n_fhp->nfh_len, 0);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	nfsrv_putattrbit(nd, &attrbits);
 	NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(NFSV4OP_RESTOREFH);
 	*tl = txdr_unsigned(NFSV4OP_LAYOUTGET);
 	nfsrv_setuplayoutget(nd, NFSLAYOUTIOMODE_RW, 0, UINT64_MAX, 0, stateidp,
 	    layouttype, layoutlen, usecurstateid);
 	error = nfscl_request(nd, dvp, p, cred);
 	if (error != 0)
 		return (error);
 	NFSCL_DEBUG(4, "nfsrpc_createlayout stat=%d err=%d\n", nd->nd_repstat,
 	    error);
 	if (nd->nd_repstat != 0)
 		*laystatp = nd->nd_repstat;
 	NFSCL_INCRSEQID(owp->nfsow_seqid, nd);
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 		NFSCL_DEBUG(4, "nfsrpc_createlayout open succeeded\n");
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
 		    6 * NFSX_UNSIGNED);
 		stateid.seqid = *tl++;
 		stateid.other[0] = *tl++;
 		stateid.other[1] = *tl++;
 		stateid.other[2] = *tl;
 		error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 		if (error != 0)
 			goto nfsmout;
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		deleg = fxdr_unsigned(int, *tl);
 		if (deleg == NFSV4OPEN_DELEGATEREAD ||
 		    deleg == NFSV4OPEN_DELEGATEWRITE) {
 			if (!(owp->nfsow_clp->nfsc_flags &
 			      NFSCLFLAGS_FIRSTDELEG))
 				owp->nfsow_clp->nfsc_flags |=
 				  (NFSCLFLAGS_FIRSTDELEG | NFSCLFLAGS_GOTDELEG);
 			dp = malloc(sizeof(struct nfscldeleg) + NFSX_V4FHMAX,
 			    M_NFSCLDELEG, M_WAITOK);
 			LIST_INIT(&dp->nfsdl_owner);
 			LIST_INIT(&dp->nfsdl_lock);
 			dp->nfsdl_clp = owp->nfsow_clp;
 			newnfs_copyincred(cred, &dp->nfsdl_cred);
 			nfscl_lockinit(&dp->nfsdl_rwlock);
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
 			    NFSX_UNSIGNED);
 			dp->nfsdl_stateid.seqid = *tl++;
 			dp->nfsdl_stateid.other[0] = *tl++;
 			dp->nfsdl_stateid.other[1] = *tl++;
 			dp->nfsdl_stateid.other[2] = *tl++;
 			ret = fxdr_unsigned(int, *tl);
 			if (deleg == NFSV4OPEN_DELEGATEWRITE) {
 				dp->nfsdl_flags = NFSCLDL_WRITE;
 				/*
 				 * Indicates how much the file can grow.
 				 */
 				NFSM_DISSECT(tl, u_int32_t *,
 				    3 * NFSX_UNSIGNED);
 				limitby = fxdr_unsigned(int, *tl++);
 				switch (limitby) {
 				case NFSV4OPEN_LIMITSIZE:
 					dp->nfsdl_sizelimit = fxdr_hyper(tl);
 					break;
 				case NFSV4OPEN_LIMITBLOCKS:
 					dp->nfsdl_sizelimit =
 					    fxdr_unsigned(u_int64_t, *tl++);
 					dp->nfsdl_sizelimit *=
 					    fxdr_unsigned(u_int64_t, *tl);
 					break;
 				default:
 					error = NFSERR_BADXDR;
 					goto nfsmout;
 				};
 			} else {
 				dp->nfsdl_flags = NFSCLDL_READ;
 			}
 			if (ret != 0)
 				dp->nfsdl_flags |= NFSCLDL_RECALL;
 			error = nfsrv_dissectace(nd, &dp->nfsdl_ace, false,
 			    &ret, &acesize, p);
 			if (error != 0)
 				goto nfsmout;
 		} else if (deleg == NFSV4OPEN_DELEGATENONEEXT &&
 		    NFSHASNFSV4N(nmp)) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			deleg = fxdr_unsigned(uint32_t, *tl);
 			if (deleg == NFSV4OPEN_CONTENTION ||
 			    deleg == NFSV4OPEN_RESOURCE)
 				NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		} else if (deleg != NFSV4OPEN_DELEGATENONE) {
 			error = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 
 		/* Now, we should have the status for the SaveFH. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*++tl == 0) {
 			NFSCL_DEBUG(4, "nfsrpc_createlayout SaveFH ok\n");
 			/*
 			 * Now, process the GetFH and Getattr for the newly
 			 * created file. nfscl_mtofh() will set
 			 * ND_NOMOREDATA if these weren't successful.
 			 */
 			error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
 			NFSCL_DEBUG(4, "aft nfscl_mtofh err=%d\n", error);
 			if (error != 0)
 				goto nfsmout;
 		} else
 			nd->nd_flag |= ND_NOMOREDATA;
 		/* Now we have the PutFH and Getattr for the directory. */
 		if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (*++tl != 0)
 				nd->nd_flag |= ND_NOMOREDATA;
 			else {
 				NFSM_DISSECT(tl, uint32_t *, 2 *
 				    NFSX_UNSIGNED);
 				if (*++tl != 0)
 					nd->nd_flag |= ND_NOMOREDATA;
 			}
 		}
 		if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 			/* Load the directory attributes. */
 			error = nfsm_loadattr(nd, dnap);
 			NFSCL_DEBUG(4, "aft nfsm_loadattr err=%d\n", error);
 			if (error != 0)
 				goto nfsmout;
 			*dattrflagp = 1;
 			if (dp != NULL && *attrflagp != 0) {
 				dp->nfsdl_change = nnap->na_filerev;
 				dp->nfsdl_modtime = nnap->na_mtime;
 				dp->nfsdl_flags |= NFSCLDL_MODTIMESET;
 			}
 			/*
 			 * We can now complete the Open state.
 			 */
 			nfhp = *nfhpp;
 			if (dp != NULL) {
 				dp->nfsdl_fhlen = nfhp->nfh_len;
 				NFSBCOPY(nfhp->nfh_fh, dp->nfsdl_fh,
 				    nfhp->nfh_len);
 			}
 			/*
 			 * Get an Open structure that will be
 			 * attached to the OpenOwner, acquired already.
 			 */
 			error = nfscl_open(dvp, nfhp->nfh_fh, nfhp->nfh_len, 
 			    (NFSV4OPEN_ACCESSWRITE | NFSV4OPEN_ACCESSREAD), 0,
 			    cred, p, NULL, &op, &newone, NULL, 0, false);
 			if (error != 0)
 				goto nfsmout;
 			op->nfso_stateid = stateid;
 			newnfs_copyincred(cred, &op->nfso_cred);
 
 			nfscl_openrelease(nmp, op, error, newone);
 			*unlockedp = 1;
 
 			/* Now, handle the RestoreFH and LayoutGet. */
 			if (nd->nd_repstat == 0) {
 				NFSM_DISSECT(tl, uint32_t *, 4 * NFSX_UNSIGNED);
 				*laystatp = fxdr_unsigned(int, *(tl + 3));
 				if (*laystatp == 0) {
 					error = nfsrv_parselayoutget(nmp, nd,
 					    stateidp, retonclosep, flhp);
 					if (error != 0)
 						*laystatp = error;
 				}
 				NFSCL_DEBUG(4, "aft nfsrv_parselayout err=%d\n",
 				    error);
 			} else
 				nd->nd_repstat = 0;
 		}
 	}
 	if (nd->nd_repstat != 0 && error == 0)
 		error = nd->nd_repstat;
 	if (error == NFSERR_STALECLIENTID)
 		nfscl_initiate_recovery(owp->nfsow_clp);
 nfsmout:
 	NFSCL_DEBUG(4, "eo nfsrpc_createlayout err=%d\n", error);
 	if (error == 0)
 		*dpp = dp;
 	else
 		free(dp, M_NFSCLDELEG);
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Similar to nfsrpc_getopenlayout(), except that it used for the Create case.
  */
 static int
 nfsrpc_getcreatelayout(vnode_t dvp, char *name, int namelen, struct vattr *vap,
     nfsquad_t cverf, int fmode, struct nfsclowner *owp, struct nfscldeleg **dpp,
     struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
     struct nfsvattr *nnap, struct nfsfh **nfhpp, int *attrflagp,
     int *dattrflagp, int *unlockedp)
 {
 	struct nfscllayout *lyp;
 	struct nfsclflayouthead flh;
 	struct nfsfh *nfhp;
 	struct nfsclsession *tsep;
 	struct nfsmount *nmp;
 	nfsv4stateid_t stateid;
 	int error, layoutlen, layouttype, retonclose, laystat;
 
 	error = 0;
 	nmp = VFSTONFS(dvp->v_mount);
 	if (NFSHASFLEXFILE(nmp))
 		layouttype = NFSLAYOUT_FLEXFILE;
 	else
 		layouttype = NFSLAYOUT_NFSV4_1_FILES;
 	LIST_INIT(&flh);
 	tsep = nfsmnt_mdssession(nmp);
 	layoutlen = tsep->nfsess_maxcache - (NFSX_STATEID + 3 * NFSX_UNSIGNED);
 	error = nfsrpc_createlayout(dvp, name, namelen, vap, cverf, fmode,
 	    owp, dpp, cred, p, dnap, nnap, nfhpp, attrflagp, dattrflagp,
 	    unlockedp, &stateid, 1, layouttype, layoutlen, &retonclose,
 	    &flh, &laystat);
 	NFSCL_DEBUG(4, "aft nfsrpc_createlayoutrpc laystat=%d err=%d\n",
 	    laystat, error);
 	lyp = NULL;
 	if (laystat == 0) {
 		nfhp = *nfhpp;
 		laystat = nfsrpc_layoutgetres(nmp, dvp, nfhp->nfh_fh,
 		    nfhp->nfh_len, &stateid, retonclose, NULL, &lyp, &flh,
 		    layouttype, laystat, NULL, cred, p);
 	} else
 		laystat = nfsrpc_layoutgetres(nmp, dvp, NULL, 0, &stateid,
 		    retonclose, NULL, &lyp, &flh, layouttype, laystat, NULL,
 		    cred, p);
 	if (laystat == 0)
 		nfscl_rellayout(lyp, 0);
 	return (error);
 }
 
 /*
  * Process the results of a layoutget() operation.
  */
 static int
 nfsrpc_layoutgetres(struct nfsmount *nmp, vnode_t vp, uint8_t *newfhp,
     int newfhlen, nfsv4stateid_t *stateidp, int retonclose, uint32_t *notifybit,
     struct nfscllayout **lypp, struct nfsclflayouthead *flhp, int layouttype,
     int laystat, int *islockedp, struct ucred *cred, NFSPROC_T *p)
 {
 	struct nfsclflayout *tflp;
 	struct nfscldevinfo *dip;
 	uint8_t *dev;
 	int i, mirrorcnt;
 
 	if (laystat == NFSERR_UNKNLAYOUTTYPE) {
 		NFSLOCKMNT(nmp);
 		if (!NFSHASFLEXFILE(nmp)) {
 			/* Switch to using Flex File Layout. */
 			nmp->nm_state |= NFSSTA_FLEXFILE;
 		} else if (layouttype == NFSLAYOUT_FLEXFILE) {
 			/* Disable pNFS. */
 			NFSCL_DEBUG(1, "disable PNFS\n");
 			nmp->nm_state &= ~(NFSSTA_PNFS | NFSSTA_FLEXFILE);
 		}
 		NFSUNLOCKMNT(nmp);
 	}
 	if (laystat == 0) {
 		NFSCL_DEBUG(4, "nfsrpc_layoutgetres at FOREACH\n");
 		LIST_FOREACH(tflp, flhp, nfsfl_list) {
 			if (layouttype == NFSLAYOUT_FLEXFILE)
 				mirrorcnt = tflp->nfsfl_mirrorcnt;
 			else
 				mirrorcnt = 1;
 			for (i = 0; i < mirrorcnt; i++) {
 				laystat = nfscl_adddevinfo(nmp, NULL, i, tflp);
 				NFSCL_DEBUG(4, "aft adddev=%d\n", laystat);
 				if (laystat != 0) {
 					if (layouttype == NFSLAYOUT_FLEXFILE)
 						dev = tflp->nfsfl_ffm[i].dev;
 					else
 						dev = tflp->nfsfl_dev;
 					laystat = nfsrpc_getdeviceinfo(nmp, dev,
 					    layouttype, notifybit, &dip, cred,
 					    p);
 					NFSCL_DEBUG(4, "aft nfsrpc_gdi=%d\n",
 					    laystat);
 					if (laystat != 0)
 						goto out;
 					laystat = nfscl_adddevinfo(nmp, dip, i,
 					    tflp);
 					if (laystat != 0)
 						printf("nfsrpc_layoutgetresout"
 						    ": cannot add\n");
 				}
 			}
 		}
 	}
 out:
 	if (laystat == 0) {
 		/*
 		 * nfscl_layout() always returns with the nfsly_lock
 		 * set to a refcnt (shared lock).
 		 * Passing in dvp is sufficient, since it is only used to
 		 * get the fsid for the file system.
 		 */
 		laystat = nfscl_layout(nmp, vp, newfhp, newfhlen, stateidp,
 		    layouttype, retonclose, flhp, lypp, cred, p);
 		NFSCL_DEBUG(4, "nfsrpc_layoutgetres: aft nfscl_layout=%d\n",
 		    laystat);
 		if (laystat == 0 && islockedp != NULL)
 			*islockedp = 1;
 	}
 	return (laystat);
 }
 
 /*
  * nfs copy_file_range operation.
  */
 int
 nfsrpc_copy_file_range(vnode_t invp, off_t *inoffp, vnode_t outvp,
     off_t *outoffp, size_t *lenp, unsigned int flags, int *inattrflagp,
     struct nfsvattr *innap, int *outattrflagp, struct nfsvattr *outnap,
     struct ucred *cred, bool consecutive, bool *must_commitp)
 {
 	int commit, error, expireret = 0, retrycnt;
 	u_int32_t clidrev = 0;
 	struct nfsmount *nmp = VFSTONFS(invp->v_mount);
 	struct nfsfh *innfhp = NULL, *outnfhp = NULL;
 	nfsv4stateid_t instateid, outstateid;
 	void *inlckp, *outlckp;
 
 	if (nmp->nm_clp != NULL)
 		clidrev = nmp->nm_clp->nfsc_clientidrev;
 	innfhp = VTONFS(invp)->n_fhp;
 	outnfhp = VTONFS(outvp)->n_fhp;
 	retrycnt = 0;
 	do {
 		/* Get both stateids. */
 		inlckp = NULL;
 		nfscl_getstateid(invp, innfhp->nfh_fh, innfhp->nfh_len,
 		    NFSV4OPEN_ACCESSREAD, 0, NULL, curthread, &instateid,
 		    &inlckp);
 		outlckp = NULL;
 		nfscl_getstateid(outvp, outnfhp->nfh_fh, outnfhp->nfh_len,
 		    NFSV4OPEN_ACCESSWRITE, 0, NULL, curthread, &outstateid,
 		    &outlckp);
 
 		error = nfsrpc_copyrpc(invp, *inoffp, outvp, *outoffp, lenp,
 		    &instateid, &outstateid, innap, inattrflagp, outnap,
 		    outattrflagp, consecutive, &commit, cred, curthread);
 		if (error == 0) {
 			if (commit != NFSWRITE_FILESYNC)
 				*must_commitp = true;
 			*inoffp += *lenp;
 			*outoffp += *lenp;
 		} else if (error == NFSERR_STALESTATEID)
 			nfscl_initiate_recovery(nmp->nm_clp);
 		if (inlckp != NULL)
 			nfscl_lockderef(inlckp);
 		if (outlckp != NULL)
 			nfscl_lockderef(outlckp);
 		if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 		    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		    error == NFSERR_OLDSTATEID || error == NFSERR_BADSESSION) {
 			(void) nfs_catnap(PZERO, error, "nfs_cfr");
 		} else if ((error == NFSERR_EXPIRED || (!NFSHASINT(nmp) &&
 		    error == NFSERR_BADSTATEID)) && clidrev != 0) {
 			expireret = nfscl_hasexpired(nmp->nm_clp, clidrev,
 			    curthread);
 		} else if (error == NFSERR_BADSTATEID && NFSHASINT(nmp)) {
 			error = EIO;
 		}
 		retrycnt++;
 	} while (error == NFSERR_GRACE || error == NFSERR_DELAY ||
 	    error == NFSERR_STALESTATEID || error == NFSERR_BADSESSION ||
 	      error == NFSERR_STALEDONTRECOVER ||
 	    (error == NFSERR_OLDSTATEID && retrycnt < 20) ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4));
 	if (error != 0 && (retrycnt >= 4 ||
 	    error == NFSERR_STALESTATEID || error == NFSERR_BADSESSION ||
 	      error == NFSERR_STALEDONTRECOVER))
 		error = EIO;
 	return (error);
 }
 
 /*
  * The copy RPC.
  */
 static int
 nfsrpc_copyrpc(vnode_t invp, off_t inoff, vnode_t outvp, off_t outoff,
     size_t *lenp, nfsv4stateid_t *instateidp, nfsv4stateid_t *outstateidp,
     struct nfsvattr *innap, int *inattrflagp, struct nfsvattr *outnap,
     int *outattrflagp, bool consecutive, int *commitp, struct ucred *cred,
     NFSPROC_T *p)
 {
 	uint32_t *tl, *opcntp;
 	int error;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	struct nfsmount *nmp;
 	nfsattrbit_t attrbits;
 	struct vattr va;
 	uint64_t len;
 
 	nmp = VFSTONFS(invp->v_mount);
 	*inattrflagp = *outattrflagp = 0;
 	*commitp = NFSWRITE_UNSTABLE;
 	len = *lenp;
 	*lenp = 0;
 	if (len > nfs_maxcopyrange)
 		len = nfs_maxcopyrange;
 	nfscl_reqstart(nd, NFSPROC_COPY, nmp, VTONFS(invp)->n_fhp->nfh_fh,
 	    VTONFS(invp)->n_fhp->nfh_len, &opcntp, NULL, 0, 0, cred);
 	/*
 	 * First do a Setattr of atime to the server's clock
 	 * time.  The FreeBSD "collective" was of the opinion
 	 * that setting atime was necessary for this syscall.
 	 * Do the Setattr before the Copy, so that it can be
 	 * handled well if the server replies NFSERR_DELAY to
 	 * the Setattr operation.
 	 */
 	if ((nmp->nm_mountp->mnt_flag & MNT_NOATIME) == 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_SETATTR);
 		nfsm_stateidtom(nd, instateidp, NFSSTATEID_PUTSTATEID);
 		VATTR_NULL(&va);
 		va.va_atime.tv_sec = va.va_atime.tv_nsec = 0;
 		va.va_vaflags = VA_UTIMES_NULL;
 		nfscl_fillsattr(nd, &va, invp, 0, 0);
 		/* Bump opcnt from 7 to 8. */
 		*opcntp = txdr_unsigned(8);
 	}
 
 	/* Now Getattr the invp attributes. */
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 
 	/* Set outvp. */
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_PUTFH);
 	(void)nfsm_fhtom(nmp, nd, VTONFS(outvp)->n_fhp->nfh_fh,
 	    VTONFS(outvp)->n_fhp->nfh_len, 0);
 
 	/* Do the Copy. */
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_COPY);
 	nfsm_stateidtom(nd, instateidp, NFSSTATEID_PUTSTATEID);
 	nfsm_stateidtom(nd, outstateidp, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, uint32_t *, 3 * NFSX_HYPER + 4 * NFSX_UNSIGNED);
 	txdr_hyper(inoff, tl); tl += 2;
 	txdr_hyper(outoff, tl); tl += 2;
 	txdr_hyper(len, tl); tl += 2;
 	if (consecutive)
 		*tl++ = newnfs_true;
 	else
 		*tl++ = newnfs_false;
 	*tl++ = newnfs_true;
 	*tl++ = 0;
 
 	/* Get the outvp attributes. */
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSWRITEGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 
 	error = nfscl_request(nd, invp, p, cred);
 	if (error != 0)
 		return (error);
 	/* Skip over the Setattr reply. */
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0 &&
 	    (nmp->nm_mountp->mnt_flag & MNT_NOATIME) == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*(tl + 1) == 0) {
 			error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 			if (error != 0)
 				goto nfsmout;
 		} else
 			nd->nd_flag |= ND_NOMOREDATA;
 	}
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 		/* Get the input file's attributes. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*(tl + 1) == 0) {
 			error = nfsm_loadattr(nd, innap);
 			if (error != 0)
 				goto nfsmout;
 			*inattrflagp = 1;
 		} else
 			nd->nd_flag |= ND_NOMOREDATA;
 	}
 	/* Skip over return stat for PutFH. */
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*++tl != 0)
 			nd->nd_flag |= ND_NOMOREDATA;
 	}
 	/* Skip over return stat for Copy. */
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0)
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		if (*tl != 0) {
 			/* There should be no callback ids. */
 			error = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 		NFSM_DISSECT(tl, uint32_t *, NFSX_HYPER + 3 * NFSX_UNSIGNED +
 		    NFSX_VERF);
 		len = fxdr_hyper(tl); tl += 2;
 		*commitp = fxdr_unsigned(int, *tl++);
 		NFSLOCKMNT(nmp);
 		if (!NFSHASWRITEVERF(nmp)) {
 			NFSBCOPY(tl, nmp->nm_verf, NFSX_VERF);
 			NFSSETWRITEVERF(nmp);
 	    	} else if (NFSBCMP(tl, nmp->nm_verf, NFSX_VERF)) {
 			NFSBCOPY(tl, nmp->nm_verf, NFSX_VERF);
 			nd->nd_repstat = NFSERR_STALEWRITEVERF;
 		}
 		NFSUNLOCKMNT(nmp);
 		tl += (NFSX_VERF / NFSX_UNSIGNED);
 		if (nd->nd_repstat == 0 && *++tl != newnfs_true)
 			/* Must be a synchronous copy. */
 			nd->nd_repstat = NFSERR_NOTSUPP;
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsm_loadattr(nd, outnap);
 		if (error == 0)
 			*outattrflagp = NFS_LATTR_NOSHRINK;
 		if (nd->nd_repstat == 0)
 			*lenp = len;
 	} else if (nd->nd_repstat == NFSERR_OFFLOADNOREQS) {
 		/*
 		 * For the case where consecutive is not supported, but
 		 * synchronous is supported, we can try consecutive == false
 		 * by returning this error.  Otherwise, return NFSERR_NOTSUPP,
 		 * since Copy cannot be done.
 		 */
 		if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			if (!consecutive || *++tl == newnfs_false)
 				nd->nd_repstat = NFSERR_NOTSUPP;
 		} else
 			nd->nd_repstat = NFSERR_BADXDR;
 	}
 	if (error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * nfs clone operation.
  */
 int
 nfsrpc_clone(vnode_t invp, off_t *inoffp, vnode_t outvp,
     off_t *outoffp, size_t *lenp, bool toeof, int *inattrflagp,
     struct nfsvattr *innap, int *outattrflagp, struct nfsvattr *outnap,
     struct ucred *cred)
 {
 	int error, expireret = 0, retrycnt;
 	uint32_t clidrev = 0;
 	struct nfsmount *nmp = VFSTONFS(invp->v_mount);
 	struct nfsfh *innfhp = NULL, *outnfhp = NULL;
 	nfsv4stateid_t instateid, outstateid;
 	void *inlckp, *outlckp;
 
 	if (nmp->nm_clp != NULL)
 		clidrev = nmp->nm_clp->nfsc_clientidrev;
 	innfhp = VTONFS(invp)->n_fhp;
 	outnfhp = VTONFS(outvp)->n_fhp;
 	retrycnt = 0;
 	do {
 		/* Get both stateids. */
 		inlckp = NULL;
 		nfscl_getstateid(invp, innfhp->nfh_fh, innfhp->nfh_len,
 		    NFSV4OPEN_ACCESSREAD, 0, NULL, curthread, &instateid,
 		    &inlckp);
 		outlckp = NULL;
 		nfscl_getstateid(outvp, outnfhp->nfh_fh, outnfhp->nfh_len,
 		    NFSV4OPEN_ACCESSWRITE, 0, NULL, curthread, &outstateid,
 		    &outlckp);
 
 		error = nfsrpc_clonerpc(invp, *inoffp, outvp, *outoffp, lenp,
 		    toeof, &instateid, &outstateid, innap, inattrflagp, outnap,
 		    outattrflagp, cred, curthread);
 		if (error == 0) {
 			*inoffp += *lenp;
 			*outoffp += *lenp;
 		} else if (error == NFSERR_STALESTATEID)
 			nfscl_initiate_recovery(nmp->nm_clp);
 		if (inlckp != NULL)
 			nfscl_lockderef(inlckp);
 		if (outlckp != NULL)
 			nfscl_lockderef(outlckp);
 		if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 		    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		    error == NFSERR_OLDSTATEID || error == NFSERR_BADSESSION) {
 			(void) nfs_catnap(PZERO, error, "nfs_cfr");
 		} else if ((error == NFSERR_EXPIRED || (!NFSHASINT(nmp) &&
 		    error == NFSERR_BADSTATEID)) && clidrev != 0) {
 			expireret = nfscl_hasexpired(nmp->nm_clp, clidrev,
 			    curthread);
 		} else if (error == NFSERR_BADSTATEID && NFSHASINT(nmp)) {
 			error = EIO;
 		}
 		retrycnt++;
 	} while (error == NFSERR_GRACE || error == NFSERR_DELAY ||
 	    error == NFSERR_STALESTATEID || error == NFSERR_BADSESSION ||
 	      error == NFSERR_STALEDONTRECOVER ||
 	    (error == NFSERR_OLDSTATEID && retrycnt < 20) ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4));
 	if (error != 0 && (retrycnt >= 4 ||
 	    error == NFSERR_STALESTATEID || error == NFSERR_BADSESSION ||
 	      error == NFSERR_STALEDONTRECOVER))
 		error = EIO;
 	return (error);
 }
 
 /*
  * The clone RPC.
  */
 static int
 nfsrpc_clonerpc(vnode_t invp, off_t inoff, vnode_t outvp, off_t outoff,
     size_t *lenp, bool toeof, nfsv4stateid_t *instateidp,
     nfsv4stateid_t *outstateidp, struct nfsvattr *innap, int *inattrflagp,
     struct nfsvattr *outnap, int *outattrflagp, struct ucred *cred,
     NFSPROC_T *p)
 {
 	uint32_t *tl, *opcntp;
 	int error;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	struct nfsmount *nmp;
 	nfsattrbit_t attrbits;
 	struct vattr va;
 	uint64_t len;
 
 	nmp = VFSTONFS(invp->v_mount);
 	*inattrflagp = *outattrflagp = 0;
 	len = *lenp;
 	if (len == 0)
 		return (0);
 	if (toeof)
 		len = 0;
 	nfscl_reqstart(nd, NFSPROC_CLONE, nmp, VTONFS(invp)->n_fhp->nfh_fh,
 	    VTONFS(invp)->n_fhp->nfh_len, &opcntp, NULL, 0, 0, cred);
 	/*
 	 * First do a Setattr of atime to the server's clock
 	 * time.  The FreeBSD "collective" was of the opinion
 	 * that setting atime was necessary for this syscall.
 	 * Do the Setattr before the Clone, so that it can be
 	 * handled well if the server replies NFSERR_DELAY to
 	 * the Setattr operation.
 	 */
 	if ((nmp->nm_mountp->mnt_flag & MNT_NOATIME) == 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(NFSV4OP_SETATTR);
 		nfsm_stateidtom(nd, instateidp, NFSSTATEID_PUTSTATEID);
 		VATTR_NULL(&va);
 		va.va_atime.tv_sec = va.va_atime.tv_nsec = 0;
 		va.va_vaflags = VA_UTIMES_NULL;
 		nfscl_fillsattr(nd, &va, invp, 0, 0);
 		/* Bump opcnt from 7 to 8. */
 		*opcntp = txdr_unsigned(8);
 	}
 
 	/* Now Getattr the invp attributes. */
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 
 	/* Set outvp. */
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_PUTFH);
 	(void)nfsm_fhtom(nmp, nd, VTONFS(outvp)->n_fhp->nfh_fh,
 	    VTONFS(outvp)->n_fhp->nfh_len, 0);
 
 	/* Do the Clone. */
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_CLONE);
 	nfsm_stateidtom(nd, instateidp, NFSSTATEID_PUTSTATEID);
 	nfsm_stateidtom(nd, outstateidp, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, uint32_t *, 3 * NFSX_HYPER + NFSX_UNSIGNED);
 	txdr_hyper(inoff, tl); tl += 2;
 	txdr_hyper(outoff, tl); tl += 2;
 	txdr_hyper(len, tl); tl += 2;
 
 	/* Get the outvp attributes. */
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSWRITEGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 
 	error = nfscl_request(nd, invp, p, cred);
 	if (error != 0)
 		return (error);
 	/* Skip over the Setattr reply. */
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0 &&
 	    (nmp->nm_mountp->mnt_flag & MNT_NOATIME) == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*(tl + 1) == 0) {
 			error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 			if (error != 0)
 				goto nfsmout;
 		} else
 			nd->nd_flag |= ND_NOMOREDATA;
 	}
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 		/* Get the input file's attributes. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*(tl + 1) == 0) {
 			error = nfsm_loadattr(nd, innap);
 			if (error != 0)
 				goto nfsmout;
 			*inattrflagp = 1;
 		} else
 			nd->nd_flag |= ND_NOMOREDATA;
 	}
 	/* Skip over return stat for PutFH. */
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*++tl != 0)
 			nd->nd_flag |= ND_NOMOREDATA;
 	}
 	/* Skip over return stat for Clone. */
 	if ((nd->nd_flag & ND_NOMOREDATA) == 0)
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsm_loadattr(nd, outnap);
 		if (error == 0)
 			*outattrflagp = NFS_LATTR_NOSHRINK;
 	} else {
 		*lenp = 0;
 	}
 	if (error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Seek operation.
  */
 int
 nfsrpc_seek(vnode_t vp, off_t *offp, bool *eofp, int content,
     struct ucred *cred, struct nfsvattr *nap, int *attrflagp)
 {
 	int error, expireret = 0, retrycnt;
 	u_int32_t clidrev = 0;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsnode *np = VTONFS(vp);
 	struct nfsfh *nfhp = NULL;
 	nfsv4stateid_t stateid;
 	void *lckp;
 
 	if (nmp->nm_clp != NULL)
 		clidrev = nmp->nm_clp->nfsc_clientidrev;
 	nfhp = np->n_fhp;
 	retrycnt = 0;
 	do {
 		lckp = NULL;
 		nfscl_getstateid(vp, nfhp->nfh_fh, nfhp->nfh_len,
 		    NFSV4OPEN_ACCESSREAD, 0, cred, curthread, &stateid, &lckp);
 		error = nfsrpc_seekrpc(vp, offp, &stateid, eofp, content,
 		    nap, attrflagp, cred);
 		if (error == NFSERR_STALESTATEID)
 			nfscl_initiate_recovery(nmp->nm_clp);
 		if (lckp != NULL)
 			nfscl_lockderef(lckp);
 		if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 		    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 		    error == NFSERR_OLDSTATEID || error == NFSERR_BADSESSION) {
 			(void) nfs_catnap(PZERO, error, "nfs_seek");
 		} else if ((error == NFSERR_EXPIRED || (!NFSHASINT(nmp) &&
 		    error == NFSERR_BADSTATEID)) && clidrev != 0) {
 			expireret = nfscl_hasexpired(nmp->nm_clp, clidrev,
 			    curthread);
 		} else if (error == NFSERR_BADSTATEID && NFSHASINT(nmp)) {
 			error = EIO;
 		}
 		retrycnt++;
 	} while (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
 	    error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
 	    error == NFSERR_BADSESSION ||
 	    (error == NFSERR_OLDSTATEID && retrycnt < 20) ||
 	    ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
 	     expireret == 0 && clidrev != 0 && retrycnt < 4) ||
 	    (error == NFSERR_OPENMODE && retrycnt < 4));
 	if (error && retrycnt >= 4)
 		error = EIO;
 	return (error);
 }
 
 /*
  * The seek RPC.
  */
 static int
 nfsrpc_seekrpc(vnode_t vp, off_t *offp, nfsv4stateid_t *stateidp, bool *eofp,
     int content, struct nfsvattr *nap, int *attrflagp, struct ucred *cred)
 {
 	uint32_t *tl;
 	int error;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	nfsattrbit_t attrbits;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_SEEK, vp, cred);
 	nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + 2 * NFSX_UNSIGNED);
 	txdr_hyper(*offp, tl); tl += 2;
 	*tl++ = txdr_unsigned(content);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 	error = nfscl_request(nd, vp, curthread, cred);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 3 * NFSX_UNSIGNED + NFSX_HYPER);
 		if (*tl++ == newnfs_true)
 			*eofp = true;
 		else
 			*eofp = false;
 		*offp = fxdr_hyper(tl);
 		/* Just skip over Getattr op status. */
 		error = nfsm_loadattr(nd, nap);
 		if (error == 0)
 			*attrflagp = 1;
 	}
 	error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * The getextattr RPC.
  */
 int
 nfsrpc_getextattr(vnode_t vp, const char *name, struct uio *uiop, ssize_t *lenp,
     struct nfsvattr *nap, int *attrflagp, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	int error;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	nfsattrbit_t attrbits;
 	uint32_t len, len2;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_GETEXTATTR, vp, cred);
 	nfsm_strtom(nd, name, strlen(name));
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 		len = fxdr_unsigned(uint32_t, *tl);
 		/* Sanity check lengths. */
 		if (uiop != NULL && len > 0 && len <= IOSIZE_MAX &&
 		    uiop->uio_resid <= UINT32_MAX) {
 			len2 = uiop->uio_resid;
 			if (len2 >= len)
 				error = nfsm_mbufuio(nd, uiop, len);
 			else {
 				error = nfsm_mbufuio(nd, uiop, len2);
 				if (error == 0) {
 					/*
 					 * nfsm_mbufuio() advances to a multiple
 					 * of 4, so round up len2 as well.  Then
 					 * we need to advance over the rest of
 					 * the data, rounding up the remaining
 					 * length.
 					 */
 					len2 = NFSM_RNDUP(len2);
 					len2 = NFSM_RNDUP(len - len2);
 					if (len2 > 0)
 						error = nfsm_advance(nd, len2,
 						    -1);
 				}
 			}
 		} else if (uiop == NULL && len > 0) {
 			/* Just wants the length and not the data. */
 			error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
 		} else if (len > 0)
 			error = ENOATTR;
 		if (error != 0)
 			goto nfsmout;
 		*lenp = len;
 		/* Just skip over Getattr op status. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsm_loadattr(nd, nap);
 		if (error == 0)
 			*attrflagp = 1;
 	}
 	if (error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * The setextattr RPC.
  */
 int
 nfsrpc_setextattr(vnode_t vp, const char *name, struct uio *uiop,
     struct nfsvattr *nap, int *attrflagp, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	int error;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	nfsattrbit_t attrbits;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_SETEXTATTR, vp, cred);
 	if (uiop->uio_resid > nd->nd_maxreq) {
 		/* nd_maxreq is set by NFSCL_REQSTART(). */
 		m_freem(nd->nd_mreq);
 		return (EINVAL);
 	}
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4SXATTR_EITHER);
 	nfsm_strtom(nd, name, strlen(name));
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(uiop->uio_resid);
 	error = nfsm_uiombuf(nd, uiop, uiop->uio_resid);
 	if (error != 0) {
 		m_freem(nd->nd_mreq);
 		return (error);
 	}
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		/* Just skip over the reply and Getattr op status. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_HYPER + 3 *
 		    NFSX_UNSIGNED);
 		error = nfsm_loadattr(nd, nap);
 		if (error == 0)
 			*attrflagp = 1;
 	}
 	if (error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * The removeextattr RPC.
  */
 int
 nfsrpc_rmextattr(vnode_t vp, const char *name, struct nfsvattr *nap,
     int *attrflagp, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	int error;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	nfsattrbit_t attrbits;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_RMEXTATTR, vp, cred);
 	nfsm_strtom(nd, name, strlen(name));
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		/* Just skip over the reply and Getattr op status. */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_HYPER + 3 *
 		    NFSX_UNSIGNED);
 		error = nfsm_loadattr(nd, nap);
 		if (error == 0)
 			*attrflagp = 1;
 	}
 	if (error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * The listextattr RPC.
  */
 int
 nfsrpc_listextattr(vnode_t vp, uint64_t *cookiep, struct uio *uiop,
     size_t *lenp, bool *eofp, struct nfsvattr *nap, int *attrflagp,
     struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	int cnt, error, i, len;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	nfsattrbit_t attrbits;
 	u_char c;
 
 	*attrflagp = 0;
 	NFSCL_REQSTART(nd, NFSPROC_LISTEXTATTR, vp, cred);
 	NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + 2 * NFSX_UNSIGNED);
 	txdr_hyper(*cookiep, tl); tl += 2;
 	*tl++ = txdr_unsigned(*lenp);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 	error = nfscl_request(nd, vp, p, cred);
 	if (error != 0)
 		return (error);
 	*eofp = true;
 	*lenp = 0;
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_HYPER + NFSX_UNSIGNED);
 		*cookiep = fxdr_hyper(tl); tl += 2;
 		cnt = fxdr_unsigned(int, *tl);
 		if (cnt < 0) {
 			error = EBADRPC;
 			goto nfsmout;
 		}
 		for (i = 0; i < cnt; i++) {
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			len = fxdr_unsigned(int, *tl);
 			if (len <= 0 || len > EXTATTR_MAXNAMELEN) {
 				error = EBADRPC;
 				goto nfsmout;
 			}
 			if (uiop == NULL)
 				error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
 			else if (uiop->uio_resid >= len + 1) {
 				c = len;
 				error = uiomove(&c, sizeof(c), uiop);
 				if (error == 0)
 					error = nfsm_mbufuio(nd, uiop, len);
 			} else {
 				error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
 				*eofp = false;
 			}
 			if (error != 0)
 				goto nfsmout;
 			*lenp += (len + 1);
 		}
 		/* Get the eof and skip over the Getattr op status. */
 		NFSM_DISSECT(tl, uint32_t *, 3 * NFSX_UNSIGNED);
 		/*
 		 * *eofp is set false above, because it wasn't able to copy
 		 * all of the reply.
 		 */
 		if (*eofp && *tl == 0)
 			*eofp = false;
 		error = nfsm_loadattr(nd, nap);
 		if (error == 0)
 			*attrflagp = 1;
 	}
 	if (error == 0)
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	return (error);
 }
 
 /*
  * Split an mbuf list.  For non-M_EXTPG mbufs, just use m_split().
  */
 static struct mbuf *
 nfsm_split(struct mbuf *mp, uint64_t xfer)
 {
 	struct mbuf *m, *m2;
 	vm_page_t pg;
 	int i, j, left, pgno, plen, trim;
 	char *cp, *cp2;
 
 	if ((mp->m_flags & M_EXTPG) == 0) {
 		m = m_split(mp, xfer, M_WAITOK);
 		return (m);
 	}
 
 	/* Find the correct mbuf to split at. */
 	for (m = mp; m != NULL && xfer > m->m_len; m = m->m_next)
 		xfer -= m->m_len;
 	if (m == NULL)
 		return (NULL);
 
 	/* If xfer == m->m_len, we can just split the mbuf list. */
 	if (xfer == m->m_len) {
 		m2 = m->m_next;
 		m->m_next = NULL;
 		return (m2);
 	}
 
 	/* Find the page to split at. */
 	pgno = 0;
 	left = xfer;
 	do {
 		if (pgno == 0)
 			plen = m_epg_pagelen(m, 0, m->m_epg_1st_off);
 		else
 			plen = m_epg_pagelen(m, pgno, 0);
 		if (left <= plen)
 			break;
 		left -= plen;
 		pgno++;
 	} while (pgno < m->m_epg_npgs);
 	if (pgno == m->m_epg_npgs)
 		panic("nfsm_split: eroneous ext_pgs mbuf");
 
 	m2 = mb_alloc_ext_pgs(M_WAITOK, mb_free_mext_pgs, 0);
 	m2->m_epg_flags |= EPG_FLAG_ANON;
 
 	/*
 	 * If left < plen, allocate a new page for the new mbuf
 	 * and copy the data after left in the page to this new
 	 * page.
 	 */
 	if (left < plen) {
 		pg = vm_page_alloc_noobj(VM_ALLOC_WAITOK | VM_ALLOC_NODUMP |
 		    VM_ALLOC_WIRED);
 		m2->m_epg_pa[0] = VM_PAGE_TO_PHYS(pg);
 		m2->m_epg_npgs = 1;
 
 		/* Copy the data after left to the new page. */
 		trim = plen - left;
 		cp = (char *)(void *)PHYS_TO_DMAP(m->m_epg_pa[pgno]);
 		if (pgno == 0)
 			cp += m->m_epg_1st_off;
 		cp += left;
 		cp2 = (char *)(void *)PHYS_TO_DMAP(m2->m_epg_pa[0]);
 		if (pgno == m->m_epg_npgs - 1)
 			m2->m_epg_last_len = trim;
 		else {
 			cp2 += PAGE_SIZE - trim;
 			m2->m_epg_1st_off = PAGE_SIZE - trim;
 			m2->m_epg_last_len = m->m_epg_last_len;
 		}
 		memcpy(cp2, cp, trim);
 		m2->m_len = trim;
 	} else {
 		m2->m_len = 0;
 		m2->m_epg_last_len = m->m_epg_last_len;
 	}
 
 	/* Move the pages beyond pgno to the new mbuf. */
 	for (i = pgno + 1, j = m2->m_epg_npgs; i < m->m_epg_npgs; i++, j++) {
 		m2->m_epg_pa[j] = m->m_epg_pa[i];
 		/* Never moves page 0. */
 		m2->m_len += m_epg_pagelen(m, i, 0);
 	}
 	m2->m_epg_npgs = j;
 	m->m_epg_npgs = pgno + 1;
 	m->m_epg_last_len = left;
 	m->m_len = xfer;
 
 	m2->m_next = m->m_next;
 	m->m_next = NULL;
 	return (m2);
 }
 
 /*
  * Do the NFSv4.1 Bind Connection to Session.
  * Called from the reconnect layer of the krpc (sys/rpc/clnt_rc.c).
  */
 void
 nfsrpc_bindconnsess(CLIENT *cl, void *arg, struct ucred *cr)
 {
 	struct nfscl_reconarg *rcp = (struct nfscl_reconarg *)arg;
 	uint32_t res, *tl;
 	struct nfsrv_descript nfsd;
 	struct nfsrv_descript *nd = &nfsd;
 	struct rpc_callextra ext;
 	struct timeval utimeout;
 	enum clnt_stat stat;
 	int error;
 
 	nfscl_reqstart(nd, NFSPROC_BINDCONNTOSESS, NULL, NULL, 0, NULL, NULL,
 	    NFS_VER4, rcp->minorvers, NULL);
 	NFSM_BUILD(tl, uint32_t *, NFSX_V4SESSIONID + 2 * NFSX_UNSIGNED);
 	memcpy(tl, rcp->sessionid, NFSX_V4SESSIONID);
 	tl += NFSX_V4SESSIONID / NFSX_UNSIGNED;
 	*tl++ = txdr_unsigned(NFSCDFC4_FORE_OR_BOTH);
 	*tl = newnfs_false;
 
 	memset(&ext, 0, sizeof(ext));
 	utimeout.tv_sec = 30;
 	utimeout.tv_usec = 0;
 	ext.rc_auth = authunix_create(cr);
 	nd->nd_mrep = NULL;
 	stat = CLNT_CALL_MBUF(cl, &ext, NFSV4PROC_COMPOUND, nd->nd_mreq,
 	    &nd->nd_mrep, utimeout);
 	AUTH_DESTROY(ext.rc_auth);
 	if (stat != RPC_SUCCESS) {
 		printf("nfsrpc_bindconnsess: call failed stat=%d\n", stat);
 		return;
 	}
 	if (nd->nd_mrep == NULL) {
 		printf("nfsrpc_bindconnsess: no reply args\n");
 		return;
 	}
 	error = 0;
 	newnfs_realign(&nd->nd_mrep, M_WAITOK);
 	nd->nd_md = nd->nd_mrep;
 	nd->nd_dpos = mtod(nd->nd_md, char *);
 	NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	nd->nd_repstat = fxdr_unsigned(uint32_t, *tl++);
 	if (nd->nd_repstat == NFSERR_OK) {
 		res = fxdr_unsigned(uint32_t, *tl);
 		if (res > 0 && (error = nfsm_advance(nd, NFSM_RNDUP(res),
 		    -1)) != 0)
 			goto nfsmout;
 		NFSM_DISSECT(tl, uint32_t *, NFSX_V4SESSIONID +
 		    4 * NFSX_UNSIGNED);
 		tl += 3;
 		if (!NFSBCMP(tl, rcp->sessionid, NFSX_V4SESSIONID)) {
 			tl += NFSX_V4SESSIONID / NFSX_UNSIGNED;
 			res = fxdr_unsigned(uint32_t, *tl);
 			if (res != NFSCDFS4_BOTH)
 				printf("nfsrpc_bindconnsess: did not "
 				    "return FS4_BOTH\n");
 		} else
 			printf("nfsrpc_bindconnsess: not same "
 			    "sessionid\n");
 	} else if (nd->nd_repstat != NFSERR_BADSESSION)
 		printf("nfsrpc_bindconnsess: returned %d\n", nd->nd_repstat);
 nfsmout:
 	if (error != 0)
 		printf("nfsrpc_bindconnsess: reply bad xdr\n");
 	m_freem(nd->nd_mrep);
 }
 
 /*
  * nfs opeattr rpc
  */
 int
 nfsrpc_openattr(struct nfsmount *nmp, struct vnode *vp, uint8_t *fhp, int fhlen,
     bool createit, struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap,
     struct nfsfh **nfhpp, int *attrflagp)
 {
 	uint32_t *tl;
 	struct nfsrv_descript nfsd, *nd = &nfsd;
 	nfsattrbit_t attrbits;
 	int error = 0;
 
 	*attrflagp = 0;
 	nfscl_reqstart(nd, NFSPROC_OPENATTR, nmp, fhp, fhlen, NULL, NULL, 0, 0,
 	    cred);
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	if (createit)
 		*tl = newnfs_true;
 	else
 		*tl = newnfs_false;
 	NFSGETATTR_ATTRBIT(&attrbits);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = txdr_unsigned(NFSV4OP_GETFH);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	(void)nfsrv_putattrbit(nd, &attrbits);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, vp, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0)
 		return (error);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsm_getfh(nd, nfhpp);
 		if (error != 0)
 			goto nfsmout;
 		error = nfscl_postop_attr(nd, nap, attrflagp);
 	}
 nfsmout:
 	m_freem(nd->nd_mrep);
 	if (error == 0 && nd->nd_repstat != 0)
 		error = nd->nd_repstat;
 	return (error);
 }
 
 /*
  * Do roughly what nfs_statfs() does for NFSv4, but when called with a shared
  * locked vnode.
  */
 static void
 nfscl_statfs(struct vnode *vp, struct ucred *cred, NFSPROC_T *td)
 {
 	struct nfsvattr nfsva;
 	struct nfsfsinfo fs;
 	struct nfsstatfs sb;
 	struct mount *mp;
 	struct nfsmount *nmp;
 	uint32_t clone_blksize, lease;
 	int attrflag, error;
 
 	mp = vp->v_mount;
 	nmp = VFSTONFS(mp);
 	error = nfsrpc_statfs(vp, &sb, &fs, &lease, &clone_blksize, cred, td,
 	    &nfsva, &attrflag);
 	if (attrflag != 0)
 		(void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 	if (error == 0) {
 		NFSLOCKCLSTATE();
 		if (nmp->nm_clp != NULL)
 			nmp->nm_clp->nfsc_renew = NFSCL_RENEW(lease);
 		NFSUNLOCKCLSTATE();
 		mtx_lock(&nmp->nm_mtx);
 		nfscl_loadfsinfo(nmp, &fs, clone_blksize);
 		nfscl_loadsbinfo(nmp, &sb, &mp->mnt_stat);
 		mp->mnt_stat.f_iosize = newnfs_iosize(nmp);
 		mtx_unlock(&nmp->nm_mtx);
 	}
 }
diff --git a/sys/fs/nfsclient/nfs_clvnops.c b/sys/fs/nfsclient/nfs_clvnops.c
index 683d6099401e..e9ae91e046e7 100644
--- a/sys/fs/nfsclient/nfs_clvnops.c
+++ b/sys/fs/nfsclient/nfs_clvnops.c
@@ -1,4854 +1,4854 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed to Berkeley by
  * Rick Macklem at The University of Guelph.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  *	from nfs_vnops.c	8.16 (Berkeley) 5/27/95
  */
 
 #include <sys/cdefs.h>
 /*
  * vnode op calls for Sun NFS version 2, 3 and 4
  */
 
 #include "opt_inet.h"
 
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/systm.h>
 #include <sys/resourcevar.h>
 #include <sys/proc.h>
 #include <sys/mount.h>
 #include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/extattr.h>
 #include <sys/filio.h>
 #include <sys/jail.h>
 #include <sys/malloc.h>
 #include <sys/mbuf.h>
 #include <sys/namei.h>
 #include <sys/socket.h>
 #include <sys/vnode.h>
 #include <sys/dirent.h>
 #include <sys/fcntl.h>
 #include <sys/lockf.h>
 #include <sys/stat.h>
 #include <sys/sysctl.h>
 #include <sys/signalvar.h>
 
 #include <vm/vm.h>
 #include <vm/vm_extern.h>
 #include <vm/vm_object.h>
 #include <vm/vnode_pager.h>
 
 #include <fs/nfs/nfsport.h>
 #include <fs/nfsclient/nfsnode.h>
 #include <fs/nfsclient/nfsmount.h>
 #include <fs/nfsclient/nfs.h>
 #include <fs/nfsclient/nfs_kdtrace.h>
 
 #include <net/if.h>
 #include <netinet/in.h>
 #include <netinet/in_var.h>
 
 #include <nfs/nfs_lock.h>
 
 #ifdef KDTRACE_HOOKS
 #include <sys/dtrace_bsd.h>
 
 dtrace_nfsclient_accesscache_flush_probe_func_t
 		dtrace_nfscl_accesscache_flush_done_probe;
 uint32_t	nfscl_accesscache_flush_done_id;
 
 dtrace_nfsclient_accesscache_get_probe_func_t
 		dtrace_nfscl_accesscache_get_hit_probe,
 		dtrace_nfscl_accesscache_get_miss_probe;
 uint32_t	nfscl_accesscache_get_hit_id;
 uint32_t	nfscl_accesscache_get_miss_id;
 
 dtrace_nfsclient_accesscache_load_probe_func_t
 		dtrace_nfscl_accesscache_load_done_probe;
 uint32_t	nfscl_accesscache_load_done_id;
 #endif /* !KDTRACE_HOOKS */
 
 /* Defs */
 #define	TRUE	1
 #define	FALSE	0
 
 extern struct nfsstatsv1 nfsstatsv1;
 extern int nfsrv_useacl;
 extern int nfscl_debuglevel;
 NFSCLSTATEMUTEX;
 MALLOC_DECLARE(M_NEWNFSREQ);
 
 static vop_read_t	nfsfifo_read;
 static vop_write_t	nfsfifo_write;
 static vop_close_t	nfsfifo_close;
 static int	nfs_setattrrpc(struct vnode *, struct vattr *, struct ucred *,
 		    struct thread *);
 static int	nfs_get_namedattrdir(struct vnode *, struct componentname *,
 	    struct vnode **);
 static vop_lookup_t	nfs_lookup;
 static vop_create_t	nfs_create;
 static vop_mknod_t	nfs_mknod;
 static vop_open_t	nfs_open;
 static vop_pathconf_t	nfs_pathconf;
 static vop_close_t	nfs_close;
 static vop_access_t	nfs_access;
 static vop_getattr_t	nfs_getattr;
 static vop_setattr_t	nfs_setattr;
 static vop_read_t	nfs_read;
 static vop_fsync_t	nfs_fsync;
 static vop_remove_t	nfs_remove;
 static vop_link_t	nfs_link;
 static vop_rename_t	nfs_rename;
 static vop_mkdir_t	nfs_mkdir;
 static vop_rmdir_t	nfs_rmdir;
 static vop_symlink_t	nfs_symlink;
 static vop_readdir_t	nfs_readdir;
 static vop_strategy_t	nfs_strategy;
 static	int	nfs_lookitup(struct vnode *, char *, int,
 		    struct ucred *, struct thread *, struct nfsnode **);
 static	int	nfs_sillyrename(struct vnode *, struct vnode *,
 		    struct componentname *);
 static vop_access_t	nfsspec_access;
 static vop_readlink_t	nfs_readlink;
 static vop_print_t	nfs_print;
 static vop_advlock_t	nfs_advlock;
 static vop_advlockasync_t nfs_advlockasync;
 static vop_getacl_t nfs_getacl;
 static vop_setacl_t nfs_setacl;
 static vop_advise_t nfs_advise;
 static vop_allocate_t nfs_allocate;
 static vop_deallocate_t nfs_deallocate;
 static vop_copy_file_range_t nfs_copy_file_range;
 static vop_ioctl_t nfs_ioctl;
 static vop_getextattr_t nfs_getextattr;
 static vop_setextattr_t nfs_setextattr;
 static vop_listextattr_t nfs_listextattr;
 static vop_deleteextattr_t nfs_deleteextattr;
 static vop_lock1_t	nfs_lock;
 
 /*
  * Global vfs data structures for nfs
  */
 
 static struct vop_vector newnfs_vnodeops_nosig = {
 	.vop_default =		&default_vnodeops,
 	.vop_access =		nfs_access,
 	.vop_advlock =		nfs_advlock,
 	.vop_advlockasync =	nfs_advlockasync,
 	.vop_close =		nfs_close,
 	.vop_create =		nfs_create,
 	.vop_fsync =		nfs_fsync,
 	.vop_getattr =		nfs_getattr,
 	.vop_getpages =		ncl_getpages,
 	.vop_putpages =		ncl_putpages,
 	.vop_inactive =		ncl_inactive,
 	.vop_link =		nfs_link,
 	.vop_lock1 =		nfs_lock,
 	.vop_lookup =		nfs_lookup,
 	.vop_mkdir =		nfs_mkdir,
 	.vop_mknod =		nfs_mknod,
 	.vop_open =		nfs_open,
 	.vop_pathconf =		nfs_pathconf,
 	.vop_print =		nfs_print,
 	.vop_read =		nfs_read,
 	.vop_readdir =		nfs_readdir,
 	.vop_readlink =		nfs_readlink,
 	.vop_reclaim =		ncl_reclaim,
 	.vop_remove =		nfs_remove,
 	.vop_rename =		nfs_rename,
 	.vop_rmdir =		nfs_rmdir,
 	.vop_setattr =		nfs_setattr,
 	.vop_strategy =		nfs_strategy,
 	.vop_symlink =		nfs_symlink,
 	.vop_write =		ncl_write,
 	.vop_getacl =		nfs_getacl,
 	.vop_setacl =		nfs_setacl,
 	.vop_advise =		nfs_advise,
 	.vop_allocate =		nfs_allocate,
 	.vop_deallocate =	nfs_deallocate,
 	.vop_copy_file_range =	nfs_copy_file_range,
 	.vop_ioctl =		nfs_ioctl,
 	.vop_getextattr =	nfs_getextattr,
 	.vop_setextattr =	nfs_setextattr,
 	.vop_listextattr =	nfs_listextattr,
 	.vop_deleteextattr =	nfs_deleteextattr,
 };
 VFS_VOP_VECTOR_REGISTER(newnfs_vnodeops_nosig);
 
 static int
 nfs_vnodeops_bypass(struct vop_generic_args *a)
 {
 
 	return (vop_sigdefer(&newnfs_vnodeops_nosig, a));
 }
 
 struct vop_vector newnfs_vnodeops = {
 	.vop_default =		&default_vnodeops,
 	.vop_bypass =		nfs_vnodeops_bypass,
 };
 VFS_VOP_VECTOR_REGISTER(newnfs_vnodeops);
 
 static struct vop_vector newnfs_fifoops_nosig = {
 	.vop_default =		&fifo_specops,
 	.vop_access =		nfsspec_access,
 	.vop_close =		nfsfifo_close,
 	.vop_fsync =		nfs_fsync,
 	.vop_getattr =		nfs_getattr,
 	.vop_inactive =		ncl_inactive,
 	.vop_pathconf =		nfs_pathconf,
 	.vop_print =		nfs_print,
 	.vop_read =		nfsfifo_read,
 	.vop_reclaim =		ncl_reclaim,
 	.vop_setattr =		nfs_setattr,
 	.vop_write =		nfsfifo_write,
 };
 VFS_VOP_VECTOR_REGISTER(newnfs_fifoops_nosig);
 
 static int
 nfs_fifoops_bypass(struct vop_generic_args *a)
 {
 
 	return (vop_sigdefer(&newnfs_fifoops_nosig, a));
 }
 
 struct vop_vector newnfs_fifoops = {
 	.vop_default =		&default_vnodeops,
 	.vop_bypass =		nfs_fifoops_bypass,
 };
 VFS_VOP_VECTOR_REGISTER(newnfs_fifoops);
 
 static int nfs_mknodrpc(struct vnode *dvp, struct vnode **vpp,
     struct componentname *cnp, struct vattr *vap);
 static int nfs_removerpc(struct vnode *dvp, struct vnode *vp, char *name,
     int namelen, struct ucred *cred, struct thread *td, bool silly);
 static void nfs_removestatus(struct vnode *vp, nfsremove_status file_status,
     bool silly, struct thread *td);
 static int nfs_renamerpc(struct vnode *fdvp, struct vnode *fvp,
     char *fnameptr, int fnamelen, struct vnode *tdvp, struct vnode *tvp,
     char *tnameptr, int tnamelen, bool silly, struct ucred *cred,
     struct thread *td);
 static int nfs_renameit(struct vnode *sdvp, struct vnode *svp,
     struct componentname *scnp, struct sillyrename *sp);
 
 /*
  * Global variables
  */
 SYSCTL_DECL(_vfs_nfs);
 
 static int	nfsaccess_cache_timeout = NFS_MAXATTRTIMO;
 SYSCTL_INT(_vfs_nfs, OID_AUTO, access_cache_timeout, CTLFLAG_RW,
 	   &nfsaccess_cache_timeout, 0, "NFS ACCESS cache timeout");
 
 static int	nfs_prime_access_cache = 0;
 SYSCTL_INT(_vfs_nfs, OID_AUTO, prime_access_cache, CTLFLAG_RW,
 	   &nfs_prime_access_cache, 0,
 	   "Prime NFS ACCESS cache when fetching attributes");
 
 static int	newnfs_commit_on_close = 0;
 SYSCTL_INT(_vfs_nfs, OID_AUTO, commit_on_close, CTLFLAG_RW,
     &newnfs_commit_on_close, 0, "write+commit on close, else only write");
 
 static int	nfs_clean_pages_on_close = 1;
 SYSCTL_INT(_vfs_nfs, OID_AUTO, clean_pages_on_close, CTLFLAG_RW,
 	   &nfs_clean_pages_on_close, 0, "NFS clean dirty pages on close");
 
 int newnfs_directio_enable = 0;
 SYSCTL_INT(_vfs_nfs, OID_AUTO, nfs_directio_enable, CTLFLAG_RW,
 	   &newnfs_directio_enable, 0, "Enable NFS directio");
 
 int nfs_keep_dirty_on_error;
 SYSCTL_INT(_vfs_nfs, OID_AUTO, nfs_keep_dirty_on_error, CTLFLAG_RW,
     &nfs_keep_dirty_on_error, 0, "Retry pageout if error returned");
 
 /*
  * This sysctl allows other processes to mmap a file that has been opened
  * O_DIRECT by a process.  In general, having processes mmap the file while
  * Direct IO is in progress can lead to Data Inconsistencies.  But, we allow
  * this by default to prevent DoS attacks - to prevent a malicious user from
  * opening up files O_DIRECT preventing other users from mmap'ing these
  * files.  "Protected" environments where stricter consistency guarantees are
  * required can disable this knob.  The process that opened the file O_DIRECT
  * cannot mmap() the file, because mmap'ed IO on an O_DIRECT open() is not
  * meaningful.
  */
 int newnfs_directio_allow_mmap = 1;
 SYSCTL_INT(_vfs_nfs, OID_AUTO, nfs_directio_allow_mmap, CTLFLAG_RW,
 	   &newnfs_directio_allow_mmap, 0, "Enable mmaped IO on file with O_DIRECT opens");
 
 static uint64_t	nfs_maxalloclen = 64 * 1024 * 1024;
 SYSCTL_U64(_vfs_nfs, OID_AUTO, maxalloclen, CTLFLAG_RW,
 	   &nfs_maxalloclen, 0, "NFS max allocate/deallocate length");
 
 #define	NFSACCESS_ALL (NFSACCESS_READ | NFSACCESS_MODIFY		\
 			 | NFSACCESS_EXTEND | NFSACCESS_EXECUTE	\
 			 | NFSACCESS_DELETE | NFSACCESS_LOOKUP)
 
 /*
  * SMP Locking Note :
  * The list of locks after the description of the lock is the ordering
  * of other locks acquired with the lock held.
  * np->n_mtx : Protects the fields in the nfsnode.
        VM Object Lock
        VI_MTX (acquired indirectly)
  * nmp->nm_mtx : Protects the fields in the nfsmount.
        rep->r_mtx
  * ncl_iod_mutex : Global lock, protects shared nfsiod state.
  * nfs_reqq_mtx : Global lock, protects the nfs_reqq list.
        nmp->nm_mtx
        rep->r_mtx
  * rep->r_mtx : Protects the fields in an nfsreq.
  */
 
 static int
 nfs_lock(struct vop_lock1_args *ap)
 {
 	struct vnode *vp;
 	struct nfsnode *np;
 	u_quad_t nsize;
 	int error, lktype;
 	bool onfault;
 
 	vp = ap->a_vp;
 	lktype = ap->a_flags & LK_TYPE_MASK;
 	error = VOP_LOCK1_APV(&default_vnodeops, ap);
 	if (error != 0 || vp->v_op != &newnfs_vnodeops)
 		return (error);
 	np = VTONFS(vp);
 	if (np == NULL)
 		return (0);
 	NFSLOCKNODE(np);
 	if ((np->n_flag & NVNSETSZSKIP) == 0 || (lktype != LK_SHARED &&
 	    lktype != LK_EXCLUSIVE && lktype != LK_UPGRADE &&
 	    lktype != LK_TRYUPGRADE)) {
 		NFSUNLOCKNODE(np);
 		return (0);
 	}
 	onfault = (ap->a_flags & LK_EATTR_MASK) == LK_NOWAIT &&
 	    (ap->a_flags & LK_INIT_MASK) == LK_CANRECURSE &&
 	    (lktype == LK_SHARED || lktype == LK_EXCLUSIVE);
 	if (onfault && vp->v_vnlock->lk_recurse == 0) {
 		/*
 		 * Force retry in vm_fault(), to make the lock request
 		 * sleepable, which allows us to piggy-back the
 		 * sleepable call to vnode_pager_setsize().
 		 */
 		NFSUNLOCKNODE(np);
 		VOP_UNLOCK(vp);
 		return (EBUSY);
 	}
 	if ((ap->a_flags & LK_NOWAIT) != 0 ||
 	    (lktype == LK_SHARED && vp->v_vnlock->lk_recurse > 0)) {
 		NFSUNLOCKNODE(np);
 		return (0);
 	}
 	if (lktype == LK_SHARED) {
 		NFSUNLOCKNODE(np);
 		VOP_UNLOCK(vp);
 		ap->a_flags &= ~(LK_TYPE_MASK | LK_INTERLOCK);
 		ap->a_flags |= LK_EXCLUSIVE;
 		error = VOP_LOCK1_APV(&default_vnodeops, ap);
 		if (error != 0 || vp->v_op != &newnfs_vnodeops)
 			return (error);
 		if (vp->v_data == NULL)
 			goto downgrade;
 		MPASS(vp->v_data == np);
 		NFSLOCKNODE(np);
 		if ((np->n_flag & NVNSETSZSKIP) == 0) {
 			NFSUNLOCKNODE(np);
 			goto downgrade;
 		}
 	}
 	np->n_flag &= ~NVNSETSZSKIP;
 	nsize = np->n_size;
 	NFSUNLOCKNODE(np);
 	vnode_pager_setsize(vp, nsize);
 downgrade:
 	if (lktype == LK_SHARED) {
 		ap->a_flags &= ~(LK_TYPE_MASK | LK_INTERLOCK);
 		ap->a_flags |= LK_DOWNGRADE;
 		(void)VOP_LOCK1_APV(&default_vnodeops, ap);
 	}
 	return (0);
 }
 
 static int
 nfs34_access_otw(struct vnode *vp, int wmode, struct thread *td,
     struct ucred *cred, u_int32_t *retmode)
 {
 	int error = 0, attrflag, i, lrupos;
 	u_int32_t rmode;
 	struct nfsnode *np = VTONFS(vp);
 	struct nfsvattr nfsva;
 
 	error = nfsrpc_accessrpc(vp, wmode, cred, td, &nfsva, &attrflag,
 	    &rmode);
 	if (attrflag)
 		(void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 	if (!error) {
 		lrupos = 0;
 		NFSLOCKNODE(np);
 		for (i = 0; i < NFS_ACCESSCACHESIZE; i++) {
 			if (np->n_accesscache[i].uid == cred->cr_uid) {
 				np->n_accesscache[i].mode = rmode;
 				np->n_accesscache[i].stamp = time_second;
 				break;
 			}
 			if (i > 0 && np->n_accesscache[i].stamp <
 			    np->n_accesscache[lrupos].stamp)
 				lrupos = i;
 		}
 		if (i == NFS_ACCESSCACHESIZE) {
 			np->n_accesscache[lrupos].uid = cred->cr_uid;
 			np->n_accesscache[lrupos].mode = rmode;
 			np->n_accesscache[lrupos].stamp = time_second;
 		}
 		NFSUNLOCKNODE(np);
 		if (retmode != NULL)
 			*retmode = rmode;
 		KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, cred->cr_uid, rmode, 0);
 	} else if (NFS_ISV4(vp)) {
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	}
 #ifdef KDTRACE_HOOKS
 	if (error != 0)
 		KDTRACE_NFS_ACCESSCACHE_LOAD_DONE(vp, cred->cr_uid, 0,
 		    error);
 #endif
 	return (error);
 }
 
 /*
  * nfs access vnode op.
  * For nfs version 2, just return ok. File accesses may fail later.
  * For nfs version 3, use the access rpc to check accessibility. If file modes
  * are changed on the server, accesses might still fail later.
  */
 static int
 nfs_access(struct vop_access_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	int error = 0, i, gotahit;
 	u_int32_t mode, wmode, rmode;
 	int v34 = NFS_ISV34(vp);
 	struct nfsnode *np = VTONFS(vp);
 
 	/*
 	 * Disallow write attempts on filesystems mounted read-only;
 	 * unless the file is a socket, fifo, or a block or character
 	 * device resident on the filesystem.
 	 */
 	if ((ap->a_accmode & (VWRITE | VAPPEND | VWRITE_NAMED_ATTRS |
 	    VDELETE_CHILD | VWRITE_ATTRIBUTES | VDELETE | VWRITE_ACL |
 	    VWRITE_OWNER)) != 0 && (vp->v_mount->mnt_flag & MNT_RDONLY) != 0) {
 		switch (vp->v_type) {
 		case VREG:
 		case VDIR:
 		case VLNK:
 			return (EROFS);
 		default:
 			break;
 		}
 	}
 
 	/*
 	 * For NFSv4, check for a delegation with an Allow ACE, to see
 	 * if that permits access.
 	 */
 	if ((VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NOCTO) != 0) {
 		error = nfscl_delegacecheck(vp, ap->a_accmode, ap->a_cred);
 		if (error == 0)
 			return (error);
 		error = 0;
 	}
 
 	/*
 	 * For nfs v3 or v4, check to see if we have done this recently, and if
 	 * so return our cached result instead of making an ACCESS call.
 	 * If not, do an access rpc, otherwise you are stuck emulating
 	 * ufs_access() locally using the vattr. This may not be correct,
 	 * since the server may apply other access criteria such as
 	 * client uid-->server uid mapping that we do not know about.
 	 */
 	if (v34) {
 		if (ap->a_accmode & VREAD)
 			mode = NFSACCESS_READ;
 		else
 			mode = 0;
 		if (vp->v_type != VDIR) {
 			if (ap->a_accmode & VWRITE)
 				mode |= (NFSACCESS_MODIFY | NFSACCESS_EXTEND);
 			if (ap->a_accmode & VAPPEND)
 				mode |= NFSACCESS_EXTEND;
 			if (ap->a_accmode & VEXEC)
 				mode |= NFSACCESS_EXECUTE;
 			if (ap->a_accmode & VDELETE)
 				mode |= NFSACCESS_DELETE;
 		} else {
 			if (ap->a_accmode & VWRITE)
 				mode |= (NFSACCESS_MODIFY | NFSACCESS_EXTEND);
 			if (ap->a_accmode & VAPPEND)
 				mode |= NFSACCESS_EXTEND;
 			if (ap->a_accmode & VEXEC)
 				mode |= NFSACCESS_LOOKUP;
 			if (ap->a_accmode & VDELETE)
 				mode |= NFSACCESS_DELETE;
 			if (ap->a_accmode & VDELETE_CHILD)
 				mode |= NFSACCESS_MODIFY;
 		}
 		/* XXX safety belt, only make blanket request if caching */
 		if (nfsaccess_cache_timeout > 0) {
 			wmode = NFSACCESS_READ | NFSACCESS_MODIFY |
 				NFSACCESS_EXTEND | NFSACCESS_EXECUTE |
 				NFSACCESS_DELETE | NFSACCESS_LOOKUP;
 		} else {
 			wmode = mode;
 		}
 
 		/*
 		 * Does our cached result allow us to give a definite yes to
 		 * this request?
 		 */
 		gotahit = 0;
 		NFSLOCKNODE(np);
 		for (i = 0; i < NFS_ACCESSCACHESIZE; i++) {
 			if (ap->a_cred->cr_uid == np->n_accesscache[i].uid) {
 			    if (time_second < (np->n_accesscache[i].stamp
 				+ nfsaccess_cache_timeout) &&
 				(np->n_accesscache[i].mode & mode) == mode) {
 				NFSINCRGLOBAL(nfsstatsv1.accesscache_hits);
 				gotahit = 1;
 			    }
 			    break;
 			}
 		}
 		NFSUNLOCKNODE(np);
 #ifdef KDTRACE_HOOKS
 		if (gotahit != 0)
 			KDTRACE_NFS_ACCESSCACHE_GET_HIT(vp,
 			    ap->a_cred->cr_uid, mode);
 		else
 			KDTRACE_NFS_ACCESSCACHE_GET_MISS(vp,
 			    ap->a_cred->cr_uid, mode);
 #endif
 		if (gotahit == 0) {
 			/*
 			 * Either a no, or a don't know.  Go to the wire.
 			 */
 			NFSINCRGLOBAL(nfsstatsv1.accesscache_misses);
 		        error = nfs34_access_otw(vp, wmode, ap->a_td,
 			    ap->a_cred, &rmode);
 			if (!error &&
 			    (rmode & mode) != mode)
 				error = EACCES;
 		}
 		return (error);
 	} else {
 		if ((error = nfsspec_access(ap)) != 0) {
 			return (error);
 		}
 		/*
 		 * Attempt to prevent a mapped root from accessing a file
 		 * which it shouldn't.  We try to read a byte from the file
 		 * if the user is root and the file is not zero length.
 		 * After calling nfsspec_access, we should have the correct
 		 * file size cached.
 		 */
 		NFSLOCKNODE(np);
 		if (ap->a_cred->cr_uid == 0 && (ap->a_accmode & VREAD)
 		    && VTONFS(vp)->n_size > 0) {
 			struct iovec aiov;
 			struct uio auio;
 			char buf[1];
 
 			NFSUNLOCKNODE(np);
 			aiov.iov_base = buf;
 			aiov.iov_len = 1;
 			auio.uio_iov = &aiov;
 			auio.uio_iovcnt = 1;
 			auio.uio_offset = 0;
 			auio.uio_resid = 1;
 			auio.uio_segflg = UIO_SYSSPACE;
 			auio.uio_rw = UIO_READ;
 			auio.uio_td = ap->a_td;
 
 			if (vp->v_type == VREG)
 				error = ncl_readrpc(vp, &auio, ap->a_cred);
 			else if (vp->v_type == VDIR) {
 				char* bp;
 				bp = malloc(NFS_DIRBLKSIZ, M_TEMP, M_WAITOK);
 				aiov.iov_base = bp;
 				aiov.iov_len = auio.uio_resid = NFS_DIRBLKSIZ;
 				error = ncl_readdirrpc(vp, &auio, ap->a_cred,
 				    ap->a_td);
 				free(bp, M_TEMP);
 			} else if (vp->v_type == VLNK)
 				error = ncl_readlinkrpc(vp, &auio, ap->a_cred);
 			else
 				error = EACCES;
 		} else
 			NFSUNLOCKNODE(np);
 		return (error);
 	}
 }
 
 /*
  * nfs open vnode op
  * Check to see if the type is ok
  * and that deletion is not in progress.
  * For paged in text files, you will need to flush the page cache
  * if consistency is lost.
  */
 /* ARGSUSED */
 static int
 nfs_open(struct vop_open_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsnode *np = VTONFS(vp);
 	struct vattr vattr;
 	int error;
 	int fmode = ap->a_mode;
 	struct ucred *cred;
 	vm_object_t obj;
 
 	if (vp->v_type != VREG && vp->v_type != VDIR && vp->v_type != VLNK)
 		return (EOPNOTSUPP);
 
 	/*
 	 * For NFSv4, we need to do the Open Op before cache validation,
 	 * so that we conform to RFC3530 Sec. 9.3.1.
 	 */
 	if (NFS_ISV4(vp)) {
 		error = nfsrpc_open(vp, fmode, ap->a_cred, ap->a_td);
 		if (error) {
 			error = nfscl_maperr(ap->a_td, error, (uid_t)0,
 			    (gid_t)0);
 			return (error);
 		}
 	}
 
 	/*
 	 * Now, if this Open will be doing reading, re-validate/flush the
 	 * cache, so that Close/Open coherency is maintained.
 	 */
 	NFSLOCKNODE(np);
 	if (np->n_flag & NMODIFIED) {
 		NFSUNLOCKNODE(np);
 		if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE) {
 			NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY);
 			if (VN_IS_DOOMED(vp))
 				return (EBADF);
 		}
 		error = ncl_vinvalbuf(vp, V_SAVE, ap->a_td, 1);
 		if (error == EINTR || error == EIO) {
 			if (NFS_ISV4(vp))
 				(void) nfsrpc_close(vp, 0, ap->a_td);
 			return (error);
 		}
 		NFSLOCKNODE(np);
 		np->n_attrstamp = 0;
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp);
 		if (vp->v_type == VDIR)
 			np->n_direofoffset = 0;
 		NFSUNLOCKNODE(np);
 		error = VOP_GETATTR(vp, &vattr, ap->a_cred);
 		if (error) {
 			if (NFS_ISV4(vp))
 				(void) nfsrpc_close(vp, 0, ap->a_td);
 			return (error);
 		}
 		NFSLOCKNODE(np);
 		np->n_mtime = vattr.va_mtime;
 		if (NFS_ISV4(vp))
 			np->n_change = vattr.va_filerev;
 	} else {
 		NFSUNLOCKNODE(np);
 		error = VOP_GETATTR(vp, &vattr, ap->a_cred);
 		if (error) {
 			if (NFS_ISV4(vp))
 				(void) nfsrpc_close(vp, 0, ap->a_td);
 			return (error);
 		}
 		NFSLOCKNODE(np);
 		if ((NFS_ISV4(vp) && np->n_change != vattr.va_filerev) ||
 		    NFS_TIMESPEC_COMPARE(&np->n_mtime, &vattr.va_mtime)) {
 			if (vp->v_type == VDIR)
 				np->n_direofoffset = 0;
 			NFSUNLOCKNODE(np);
 			if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE) {
 				NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY);
 				if (VN_IS_DOOMED(vp))
 					return (EBADF);
 			}
 			error = ncl_vinvalbuf(vp, V_SAVE, ap->a_td, 1);
 			if (error == EINTR || error == EIO) {
 				if (NFS_ISV4(vp))
 					(void) nfsrpc_close(vp, 0, ap->a_td);
 				return (error);
 			}
 			NFSLOCKNODE(np);
 			np->n_mtime = vattr.va_mtime;
 			if (NFS_ISV4(vp))
 				np->n_change = vattr.va_filerev;
 		}
 	}
 
 	/*
 	 * If the object has >= 1 O_DIRECT active opens, we disable caching.
 	 */
 	if (newnfs_directio_enable && (fmode & O_DIRECT) &&
 	    (vp->v_type == VREG)) {
 		if (np->n_directio_opens == 0) {
 			NFSUNLOCKNODE(np);
 			if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE) {
 				NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY);
 				if (VN_IS_DOOMED(vp))
 					return (EBADF);
 			}
 			error = ncl_vinvalbuf(vp, V_SAVE, ap->a_td, 1);
 			if (error) {
 				if (NFS_ISV4(vp))
 					(void) nfsrpc_close(vp, 0, ap->a_td);
 				return (error);
 			}
 			NFSLOCKNODE(np);
 			np->n_flag |= NNONCACHE;
 		}
 		np->n_directio_opens++;
 	}
 
 	/* If opened for writing via NFSv4.1 or later, mark that for pNFS. */
 	if (NFSHASPNFS(VFSTONFS(vp->v_mount)) && (fmode & FWRITE) != 0)
 		np->n_flag |= NWRITEOPENED;
 
 	/*
 	 * If this is an open for writing, capture a reference to the
 	 * credentials, so they can be used by ncl_putpages(). Using
 	 * these write credentials is preferable to the credentials of
 	 * whatever thread happens to be doing the VOP_PUTPAGES() since
 	 * the write RPCs are less likely to fail with EACCES.
 	 */
 	if ((fmode & FWRITE) != 0) {
 		cred = np->n_writecred;
 		np->n_writecred = crhold(ap->a_cred);
 	} else
 		cred = NULL;
 	NFSUNLOCKNODE(np);
 
 	if (cred != NULL)
 		crfree(cred);
 	vnode_create_vobject(vp, vattr.va_size, ap->a_td);
 
 	/*
 	 * If the text file has been mmap'd, flush any dirty pages to the
 	 * buffer cache and then...
 	 * Make sure all writes are pushed to the NFS server.  If this is not
 	 * done, the modify time of the file can change while the text
 	 * file is being executed.  This will cause the process that is
 	 * executing the text file to be terminated.
 	 */
 	if (vp->v_writecount <= -1) {
 		if ((obj = vp->v_object) != NULL &&
 		    vm_object_mightbedirty(obj)) {
 			if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE) {
 				NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY);
 				if (VN_IS_DOOMED(vp))
 					return (EBADF);
 			}
 			vnode_pager_clean_sync(vp);
 		}
 
 		/* Now, flush the buffer cache. */
 		ncl_flush(vp, MNT_WAIT, curthread, 0, 0);
 
 		/* And, finally, make sure that n_mtime is up to date. */
 		np = VTONFS(vp);
 		NFSLOCKNODE(np);
 		np->n_mtime = np->n_vattr.na_mtime;
 		NFSUNLOCKNODE(np);
 	}
 	return (0);
 }
 
 /*
  * nfs close vnode op
  * What an NFS client should do upon close after writing is a debatable issue.
  * Most NFS clients push delayed writes to the server upon close, basically for
  * two reasons:
  * 1 - So that any write errors may be reported back to the client process
  *     doing the close system call. By far the two most likely errors are
  *     NFSERR_NOSPC and NFSERR_DQUOT to indicate space allocation failure.
  * 2 - To put a worst case upper bound on cache inconsistency between
  *     multiple clients for the file.
  * There is also a consistency problem for Version 2 of the protocol w.r.t.
  * not being able to tell if other clients are writing a file concurrently,
  * since there is no way of knowing if the changed modify time in the reply
  * is only due to the write for this client.
  * (NFS Version 3 provides weak cache consistency data in the reply that
  *  should be sufficient to detect and handle this case.)
  *
  * The current code does the following:
  * for NFS Version 2 - play it safe and flush/invalidate all dirty buffers
  * for NFS Version 3 - flush dirty buffers to the server but don't invalidate
  *                     or commit them (this satisfies 1 and 2 except for the
  *                     case where the server crashes after this close but
  *                     before the commit RPC, which is felt to be "good
  *                     enough". Changing the last argument to ncl_flush() to
  *                     a 1 would force a commit operation, if it is felt a
  *                     commit is necessary now.
  * for NFS Version 4 - flush the dirty buffers and commit them, if
  *		       nfscl_mustflush() says this is necessary.
  *                     It is necessary if there is no write delegation held,
  *                     in order to satisfy open/close coherency.
  *                     If the file isn't cached on local stable storage,
  *                     it may be necessary in order to detect "out of space"
  *                     errors from the server, if the write delegation
  *                     issued by the server doesn't allow the file to grow.
  */
 /* ARGSUSED */
 static int
 nfs_close(struct vop_close_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsnode *np = VTONFS(vp);
 	struct nfsvattr nfsva;
 	struct ucred *cred;
 	int error = 0, ret, localcred = 0;
 	int fmode = ap->a_fflag;
 	struct nfsmount *nmp;
 
 	if (NFSCL_FORCEDISM(vp->v_mount))
 		return (0);
 	nmp = VFSTONFS(vp->v_mount);
 	/*
 	 * During shutdown, a_cred isn't valid, so just use root.
 	 */
 	if (ap->a_cred == NOCRED) {
 		cred = newnfs_getcred();
 		localcred = 1;
 	} else {
 		cred = ap->a_cred;
 	}
 	if (vp->v_type == VREG) {
 	    /*
 	     * Examine and clean dirty pages, regardless of NMODIFIED.
 	     * This closes a major hole in close-to-open consistency.
 	     * We want to push out all dirty pages (and buffers) on
 	     * close, regardless of whether they were dirtied by
 	     * mmap'ed writes or via write().
 	     */
 	    if (nfs_clean_pages_on_close && vp->v_object) {
 		if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE) {
 			NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY);
 			if (VN_IS_DOOMED(vp) && ap->a_fflag != FNONBLOCK)
 				return (EBADF);
 		}
 		vnode_pager_clean_async(vp);
 	    }
 	    NFSLOCKNODE(np);
 	    if (np->n_flag & NMODIFIED) {
 		NFSUNLOCKNODE(np);
 		if (NFS_ISV3(vp)) {
 		    /*
 		     * Under NFSv3 we have dirty buffers to dispose of.  We
 		     * must flush them to the NFS server.  We have the option
 		     * of waiting all the way through the commit rpc or just
 		     * waiting for the initial write.  The default is to only
 		     * wait through the initial write so the data is in the
 		     * server's cache, which is roughly similar to the state
 		     * a standard disk subsystem leaves the file in on close().
 		     *
 		     * We cannot clear the NMODIFIED bit in np->n_flag due to
 		     * potential races with other processes, and certainly
 		     * cannot clear it if we don't commit.
 		     * These races occur when there is no longer the old
 		     * traditional vnode locking implemented for Vnode Ops.
 		     */
 		    int cm = newnfs_commit_on_close ? 1 : 0;
 		    if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE) {
 			    NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY);
 			    if (VN_IS_DOOMED(vp) && ap->a_fflag != FNONBLOCK)
 				    return (EBADF);
 		    }
 		    error = ncl_flush(vp, MNT_WAIT, ap->a_td, cm, 0);
 		    /* np->n_flag &= ~NMODIFIED; */
 		} else if (NFS_ISV4(vp)) { 
 			if (!NFSHASNFSV4N(nmp) ||
 			    (nmp->nm_flag & NFSMNT_NOCTO) == 0 ||
 			    nfscl_mustflush(vp) != 0) {
 				int cm = newnfs_commit_on_close ? 1 : 0;
 				if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE) {
 					NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY);
 					if (VN_IS_DOOMED(vp) && ap->a_fflag !=
 					    FNONBLOCK)
 						return (EBADF);
 				}
 				error = ncl_flush(vp, MNT_WAIT, ap->a_td,
 				    cm, 0);
 				/*
 				 * as above w.r.t races when clearing
 				 * NMODIFIED.
 				 * np->n_flag &= ~NMODIFIED;
 				 */
 			}
 		} else {
 			if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE) {
 				NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY);
 				if (VN_IS_DOOMED(vp) && ap->a_fflag !=
 				    FNONBLOCK)
 					return (EBADF);
 			}
 			error = ncl_vinvalbuf(vp, V_SAVE, ap->a_td, 1);
 		}
 		NFSLOCKNODE(np);
 	    }
  	    /* 
  	     * Invalidate the attribute cache in all cases.
  	     * An open is going to fetch fresh attrs any way, other procs
  	     * on this node that have file open will be forced to do an 
  	     * otw attr fetch, but this is safe.
 	     * --> A user found that their RPC count dropped by 20% when
 	     *     this was commented out and I can't see any requirement
 	     *     for it, so I've disabled it when negative lookups are
 	     *     enabled. (What does this have to do with negative lookup
 	     *     caching? Well nothing, except it was reported by the
 	     *     same user that needed negative lookup caching and I wanted
 	     *     there to be a way to disable it to see if it
 	     *     is the cause of some caching/coherency issue that might
 	     *     crop up.)
  	     */
 	    if (nmp->nm_negnametimeo == 0) {
 		    np->n_attrstamp = 0;
 		    KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp);
 	    }
 	    if (np->n_flag & NWRITEERR) {
 		np->n_flag &= ~NWRITEERR;
 		error = np->n_error;
 	    }
 	    NFSUNLOCKNODE(np);
 	}
 
 	if (NFS_ISV4(vp)) {
 		/*
 		 * Get attributes so "change" is up to date.
 		 */
 		if (error == 0 && nfscl_nodeleg(vp, 0) != 0 &&
 		    vp->v_type == VREG &&
 		    (nmp->nm_flag & NFSMNT_NOCTO) == 0) {
 			ret = nfsrpc_getattr(vp, cred, ap->a_td, &nfsva);
 			if (!ret) {
 				np->n_change = nfsva.na_filerev;
 				(void) nfscl_loadattrcache(&vp, &nfsva, NULL,
 				    0, 0);
 			}
 		}
 
 		/*
 		 * and do the close.
 		 */
 		ret = nfsrpc_close(vp, 0, ap->a_td);
 		if (!error && ret)
 			error = ret;
 		if (error)
 			error = nfscl_maperr(ap->a_td, error, (uid_t)0,
 			    (gid_t)0);
 	}
 	if (newnfs_directio_enable && (fmode & O_DIRECT) && (vp->v_type == VREG)) {
 		NFSLOCKNODE(np);
 		KASSERT((np->n_directio_opens > 0), 
 			("nfs_close: unexpectedly value (0) of n_directio_opens\n"));
 		np->n_directio_opens--;
 		if (np->n_directio_opens == 0)
 			np->n_flag &= ~NNONCACHE;
 		NFSUNLOCKNODE(np);
 	}
 	if (localcred)
 		NFSFREECRED(cred);
 	return (error);
 }
 
 /*
  * nfs getattr call from vfs.
  */
 static int
 nfs_getattr(struct vop_getattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct thread *td = curthread;	/* XXX */
 	struct nfsnode *np = VTONFS(vp);
 	int error = 0;
 	struct nfsvattr nfsva;
 	struct vattr *vap = ap->a_vap;
 	struct vattr vattr;
 	struct nfsmount *nmp;
 
 	nmp = VFSTONFS(vp->v_mount);
 	/*
 	 * Update local times for special files.
 	 */
 	NFSLOCKNODE(np);
 	if (np->n_flag & (NACC | NUPD))
 		np->n_flag |= NCHG;
 	NFSUNLOCKNODE(np);
 	/*
 	 * First look in the cache.
 	 * For "syskrb5" mounts, nm_fhsize might still be zero and
 	 * cached attributes should be ignored.
 	 */
 	if (nmp->nm_fhsize > 0 && ncl_getattrcache(vp, &vattr) == 0) {
 		ncl_copy_vattr(vp, vap, &vattr);
 
 		/*
 		 * Get the local modify time for the case of a write
 		 * delegation.
 		 */
 		nfscl_deleggetmodtime(vp, &vap->va_mtime);
 		return (0);
 	}
 
 	if (NFS_ISV34(vp) && nfs_prime_access_cache &&
 	    nfsaccess_cache_timeout > 0) {
 		NFSINCRGLOBAL(nfsstatsv1.accesscache_misses);
 		nfs34_access_otw(vp, NFSACCESS_ALL, td, ap->a_cred, NULL);
 		if (ncl_getattrcache(vp, ap->a_vap) == 0) {
 			nfscl_deleggetmodtime(vp, &ap->a_vap->va_mtime);
 			return (0);
 		}
 	}
 
 	error = nfsrpc_getattr(vp, ap->a_cred, td, &nfsva);
 	if (error == 0)
 		error = nfscl_loadattrcache(&vp, &nfsva, vap, 0, 0);
 	if (!error) {
 		/*
 		 * Get the local modify time for the case of a write
 		 * delegation.
 		 */
 		nfscl_deleggetmodtime(vp, &vap->va_mtime);
 	} else if (NFS_ISV4(vp)) {
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	}
 	return (error);
 }
 
 /*
  * nfs setattr call.
  */
 static int
 nfs_setattr(struct vop_setattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsnode *np = VTONFS(vp);
 	struct thread *td = curthread;	/* XXX */
 	struct vattr *vap = ap->a_vap;
 	int error = 0;
 	u_quad_t tsize;
 	struct timespec ts;
 	struct nfsmount *nmp;
 
 #ifndef nolint
 	tsize = (u_quad_t)0;
 #endif
 
 	/*
 	 * Only setting of UF_HIDDEN and UF_SYSTEM are supported and
 	 * only for NFSv4 servers that support them.
 	 */
 	nmp = VFSTONFS(vp->v_mount);
 	if (vap->va_flags != VNOVAL && (!NFSHASNFSV4(nmp) ||
 	    (vap->va_flags & ~(UF_HIDDEN | UF_SYSTEM)) != 0 ||
 	    ((vap->va_flags & UF_HIDDEN) != 0 &&
 	     !NFSISSET_ATTRBIT(&np->n_vattr.na_suppattr, NFSATTRBIT_HIDDEN)) ||
 	    ((vap->va_flags & UF_SYSTEM) != 0 &&
 	     !NFSISSET_ATTRBIT(&np->n_vattr.na_suppattr, NFSATTRBIT_SYSTEM))))
 		return (EOPNOTSUPP);
 
 	/*
 	 * Disallow write attempts if the filesystem is mounted read-only.
 	 */
 	if ((vap->va_flags != (u_long)VNOVAL || vap->va_uid != (uid_t)VNOVAL ||
 	    vap->va_gid != (gid_t)VNOVAL || vap->va_atime.tv_sec != VNOVAL ||
 	    vap->va_mtime.tv_sec != VNOVAL ||
 	    vap->va_birthtime.tv_sec != VNOVAL ||
 	    vap->va_mode != (mode_t)VNOVAL) &&
 	    (vp->v_mount->mnt_flag & MNT_RDONLY))
 		return (EROFS);
 	if (vap->va_size != VNOVAL) {
  		switch (vp->v_type) {
  		case VDIR:
  			return (EISDIR);
  		case VCHR:
  		case VBLK:
  		case VSOCK:
  		case VFIFO:
 			if (vap->va_mtime.tv_sec == VNOVAL &&
 			    vap->va_atime.tv_sec == VNOVAL &&
 			    vap->va_birthtime.tv_sec == VNOVAL &&
 			    vap->va_mode == (mode_t)VNOVAL &&
 			    vap->va_uid == (uid_t)VNOVAL &&
 			    vap->va_gid == (gid_t)VNOVAL)
 				return (0);		
  			vap->va_size = VNOVAL;
  			break;
  		default:
 			/*
 			 * Disallow write attempts if the filesystem is
 			 * mounted read-only.
 			 */
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			/*
 			 *  We run vnode_pager_setsize() early (why?),
 			 * we must set np->n_size now to avoid vinvalbuf
 			 * V_SAVE races that might setsize a lower
 			 * value.
 			 */
 			NFSLOCKNODE(np);
 			tsize = np->n_size;
 			NFSUNLOCKNODE(np);
 			error = ncl_meta_setsize(vp, td, vap->va_size);
 			NFSLOCKNODE(np);
  			if (np->n_flag & NMODIFIED) {
 			    tsize = np->n_size;
 			    NFSUNLOCKNODE(np);
 			    error = ncl_vinvalbuf(vp, vap->va_size == 0 ?
 			        0 : V_SAVE, td, 1);
 			    if (error != 0) {
 				    vnode_pager_setsize(vp, tsize);
 				    return (error);
 			    }
 			    /*
 			     * Call nfscl_delegmodtime() to set the modify time
 			     * locally, as required.
 			     */
 			    nfscl_delegmodtime(vp, NULL);
  			} else
 			    NFSUNLOCKNODE(np);
 			/*
 			 * np->n_size has already been set to vap->va_size
 			 * in ncl_meta_setsize(). We must set it again since
 			 * nfs_loadattrcache() could be called through
 			 * ncl_meta_setsize() and could modify np->n_size.
 			 */
 			NFSLOCKNODE(np);
  			np->n_vattr.na_size = np->n_size = vap->va_size;
 			NFSUNLOCKNODE(np);
   		}
   	} else {
 		NFSLOCKNODE(np);
 		if ((vap->va_mtime.tv_sec != VNOVAL || vap->va_atime.tv_sec != VNOVAL) && 
 		    (np->n_flag & NMODIFIED) && vp->v_type == VREG) {
 			NFSUNLOCKNODE(np);
 			error = ncl_vinvalbuf(vp, V_SAVE, td, 1);
 			if (error == EINTR || error == EIO)
 				return (error);
 		} else
 			NFSUNLOCKNODE(np);
 	}
 	error = nfs_setattrrpc(vp, vap, ap->a_cred, td);
 	if (vap->va_size != VNOVAL) {
 		if (error == 0) {
 			nanouptime(&ts);
 			NFSLOCKNODE(np);
 			np->n_localmodtime = ts;
 			NFSUNLOCKNODE(np);
 		} else {
 			NFSLOCKNODE(np);
 			np->n_size = np->n_vattr.na_size = tsize;
 			vnode_pager_setsize(vp, tsize);
 			NFSUNLOCKNODE(np);
 		}
 	}
 	if (vap->va_mtime.tv_sec != VNOVAL && error == 0)
 		nfscl_delegmodtime(vp, &vap->va_mtime);
 	return (error);
 }
 
 /*
  * Do an nfs setattr rpc.
  */
 static int
 nfs_setattrrpc(struct vnode *vp, struct vattr *vap, struct ucred *cred,
     struct thread *td)
 {
 	struct nfsnode *np = VTONFS(vp);
 	int error, ret, attrflag, i;
 	struct nfsvattr nfsva;
 
 	if (NFS_ISV34(vp)) {
 		NFSLOCKNODE(np);
 		for (i = 0; i < NFS_ACCESSCACHESIZE; i++)
 			np->n_accesscache[i].stamp = 0;
 		np->n_flag |= NDELEGMOD;
 		NFSUNLOCKNODE(np);
 		KDTRACE_NFS_ACCESSCACHE_FLUSH_DONE(vp);
 	}
 	error = nfsrpc_setattr(vp, vap, NULL, cred, td, &nfsva, &attrflag);
 	if (attrflag) {
 		ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (ret && !error)
 			error = ret;
 	}
 	if (error && NFS_ISV4(vp))
 		error = nfscl_maperr(td, error, vap->va_uid, vap->va_gid);
 	return (error);
 }
 
 /*
  * Get a named attribute directory for the vnode.
  */
 static int
 nfs_get_namedattrdir(struct vnode *vp, struct componentname *cnp,
     struct vnode **vpp)
 {
 	struct nfsfh *nfhp;
 	struct nfsnode *np;
 	struct vnode *newvp;
 	struct nfsvattr nfsva;
 	int attrflag, error;
 
 	attrflag = 0;
 	*vpp = NULL;
 	np = VTONFS(vp);
 	error = nfsrpc_openattr(VFSTONFS(vp->v_mount), vp, np->n_fhp->nfh_fh,
 	    np->n_fhp->nfh_len, (cnp->cn_flags & CREATENAMED),
 	    cnp->cn_cred, curthread, &nfsva, &nfhp, &attrflag);
 	if (error == NFSERR_NOTSUPP)
 		error = ENOATTR;
 	if (error == 0)
 		error = nfscl_nget(vp->v_mount, vp, nfhp, cnp, curthread, &np,
 		    cnp->cn_lkflags);
 	if (error != 0)
 		return (error);
 	newvp = NFSTOV(np);
 	vn_irflag_set_cond(newvp, VIRF_NAMEDDIR);
 	if (attrflag != 0)
 		(void)nfscl_loadattrcache(&newvp, &nfsva, NULL, 0, 1);
 	*vpp = newvp;
 	return (0);
 }
 
 /*
  * nfs lookup call, one step at a time...
  * First look in cache
  * If not found, unlock the directory nfsnode and do the rpc
  */
 static int
 nfs_lookup(struct vop_lookup_args *ap)
 {
 	struct componentname *cnp = ap->a_cnp;
 	struct vnode *dvp = ap->a_dvp;
 	struct vnode **vpp = ap->a_vpp;
 	struct mount *mp = dvp->v_mount;
 	uint64_t flags = cnp->cn_flags;
 	struct vnode *newvp;
 	struct nfsmount *nmp;
 	struct nfsnode *np, *newnp;
 	int error = 0, attrflag, dattrflag, ltype, ncticks;
 	struct thread *td = curthread;
 	struct nfsfh *nfhp;
 	struct nfsvattr dnfsva, nfsva;
 	struct vattr vattr;
 	struct timespec nctime, ts;
 	uint32_t openmode;
 	bool is_nameddir, needs_nameddir, opennamed;
 
 	dattrflag = 0;
 	*vpp = NULL;
 	nmp = VFSTONFS(mp);
 	opennamed = (flags & (OPENNAMED | ISLASTCN)) == (OPENNAMED | ISLASTCN);
 	if (opennamed && (!NFSHASNFSV4(nmp) || !NFSHASNFSV4N(nmp)))
 		return (ENOATTR);
 	is_nameddir = (vn_irflag_read(dvp) & VIRF_NAMEDDIR) != 0;
 	if ((is_nameddir && (flags & ISLASTCN) == 0 && (cnp->cn_namelen > 1 ||
 	    *cnp->cn_nameptr != '.')) ||
 	    (opennamed && !is_nameddir && (flags & ISDOTDOT) != 0))
 		return (ENOATTR);
 	if ((flags & ISLASTCN) && (mp->mnt_flag & MNT_RDONLY) &&
 	    (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME))
 		return (EROFS);
 	np = VTONFS(dvp);
 
 	needs_nameddir = false;
 	if (opennamed || is_nameddir) {
 		cnp->cn_flags &= ~MAKEENTRY;
 		if (!is_nameddir)
 			needs_nameddir = true;
 	}
 
 	/*
 	 * If the named attribute directory is needed, acquire it now.
 	 */
 	newvp = NULL;
 	if (needs_nameddir) {
 		KASSERT(np->n_v4 == NULL, ("nfs_lookup: O_NAMEDATTR when"
 		    " n_v4 not NULL"));
 		error = nfs_get_namedattrdir(dvp, cnp, &newvp);
 		if (error != 0)
 			goto handle_error;
 		if (cnp->cn_namelen == 1 && *cnp->cn_nameptr == '.') {
 			*vpp = newvp;
 			return (0);
 		}
 		dvp = newvp;
 		np = VTONFS(dvp);
 		newvp = NULL;
 	} else if (opennamed && cnp->cn_namelen == 1 &&
 	    *cnp->cn_nameptr == '.') {
-		VREF(dvp);
+		vref(dvp);
 		*vpp = dvp;
 		return (0);
 	}
 
 	if (dvp->v_type != VDIR)
 		return (ENOTDIR);
 
 	/* For NFSv4, wait until any remove is done. */
 	NFSLOCKNODE(np);
 	while (NFSHASNFSV4(nmp) && (np->n_flag & NREMOVEINPROG)) {
 		np->n_flag |= NREMOVEWANT;
 		(void) msleep((caddr_t)np, &np->n_mtx, PZERO, "nfslkup", 0);
 	}
 	NFSUNLOCKNODE(np);
 
 	error = vn_dir_check_exec(dvp, cnp);
 	if (error != 0)
 		return (error);
 
 	if (!opennamed && !is_nameddir) {
 		error = cache_lookup(dvp, vpp, cnp, &nctime, &ncticks);
 		if (error > 0 && error != ENOENT)
 			return (error);
 		if (error == -1) {
 			/*
 			 * Lookups of "." are special and always return the
 			 * current directory.  cache_lookup() already handles
 			 * associated locking bookkeeping, etc.
 			 */
 			if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
 				return (0);
 			}
 
 			/*
 			 * We only accept a positive hit in the cache if the
 			 * change time of the file matches our cached copy.
 			 * Otherwise, we discard the cache entry and fallback
 			 * to doing a lookup RPC.  We also only trust cache
 			 * entries for less than nm_nametimeo seconds.
 			 *
 			 * To better handle stale file handles and attributes,
 			 * clear the attribute cache of this node if it is a
 			 * leaf component, part of an open() call, and not
 			 * locally modified before fetching the attributes.
 			 * This should allow stale file handles to be detected
 			 * here where we can fall back to a LOOKUP RPC to
 			 * recover rather than having nfs_open() detect the
 			 * stale file handle and failing open(2) with ESTALE.
 			 */
 			newvp = *vpp;
 			newnp = VTONFS(newvp);
 			if (!(nmp->nm_flag & NFSMNT_NOCTO) &&
 			    (flags & (ISLASTCN | ISOPEN)) ==
 			     (ISLASTCN | ISOPEN) &&
 			    !(newnp->n_flag & NMODIFIED)) {
 				NFSLOCKNODE(newnp);
 				newnp->n_attrstamp = 0;
 				KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(newvp);
 				NFSUNLOCKNODE(newnp);
 			}
 			if (nfscl_nodeleg(newvp, 0) == 0 ||
 			    ((u_int)(ticks - ncticks) <
 			    (nmp->nm_nametimeo * hz) &&
 			    VOP_GETATTR(newvp, &vattr, cnp->cn_cred) == 0 &&
 			    timespeccmp(&vattr.va_ctime, &nctime, ==))) {
 				NFSINCRGLOBAL(nfsstatsv1.lookupcache_hits);
 				return (0);
 			}
 			cache_purge(newvp);
 			if (dvp != newvp)
 				vput(newvp);
 			else
 				vrele(newvp);
 			*vpp = NULL;
 		} else if (error == ENOENT) {
 			if (VN_IS_DOOMED(dvp))
 				return (ENOENT);
 			/*
 			 * We only accept a negative hit in the cache if the
 			 * modification time of the parent directory matches
 			 * the cached copy in the name cache entry.
 			 * Otherwise, we discard all of the negative cache
 			 * entries for this directory.  We also only trust
 			 * negative cache entries for up to nm_negnametimeo
 			 * seconds.
 			 */
 			if ((u_int)(ticks - ncticks) <
 			    (nmp->nm_negnametimeo * hz) &&
 			    VOP_GETATTR(dvp, &vattr, cnp->cn_cred) == 0 &&
 			    timespeccmp(&vattr.va_mtime, &nctime, ==)) {
 				NFSINCRGLOBAL(nfsstatsv1.lookupcache_hits);
 				return (ENOENT);
 			}
 			cache_purge_negative(dvp);
 		}
 	}
 
 	openmode = 0;
 #if 0
 	/*
 	 * The use of LookupOpen breaks some builds.  It is disabled
 	 * until that is fixed.
 	 */
 	/*
 	 * If this an NFSv4.1/4.2 mount using the "oneopenown" mount
 	 * option, it is possible to do the Open operation in the same
 	 * compound as Lookup, so long as delegations are not being
 	 * issued.  This saves doing a separate RPC for Open.
 	 * For pnfs, do not do this, since the Open+LayoutGet will
 	 * be needed as a separate RPC.
 	 */
 	NFSLOCKMNT(nmp);
 	if (NFSHASNFSV4N(nmp) && NFSHASONEOPENOWN(nmp) && !NFSHASPNFS(nmp) &&
 	    (nmp->nm_privflag & NFSMNTP_DELEGISSUED) == 0 &&
 	    (!NFSMNT_RDONLY(mp) || (flags & OPENWRITE) == 0) &&
 	    (flags & (ISLASTCN | ISOPEN | OPENNAMED))) == (ISLASTCN | ISOPEN)) {
 		if ((flags & OPENREAD) != 0)
 			openmode |= NFSV4OPEN_ACCESSREAD;
 		if ((flags & OPENWRITE) != 0)
 			openmode |= NFSV4OPEN_ACCESSWRITE;
 	}
 	NFSUNLOCKMNT(nmp);
 #endif
 
 	newvp = NULL;
 	NFSINCRGLOBAL(nfsstatsv1.lookupcache_misses);
 	nanouptime(&ts);
 	error = nfsrpc_lookup(dvp, cnp->cn_nameptr, cnp->cn_namelen,
 	    cnp->cn_cred, td, &dnfsva, &nfsva, &nfhp, &attrflag, &dattrflag,
 	    openmode);
 	if (dattrflag)
 		(void) nfscl_loadattrcache(&dvp, &dnfsva, NULL, 0, 1);
 	if (needs_nameddir) {
 		vput(dvp);
 		dvp = ap->a_dvp;
 	}
 handle_error:
 	if (error) {
 		if (newvp != NULL) {
 			vput(newvp);
 			*vpp = NULL;
 		}
 
 		if (error != ENOENT) {
 			if (NFS_ISV4(dvp))
 				error = nfscl_maperr(td, error,
 				    (uid_t)0, (gid_t)0);
 			return (error);
 		}
 
 		/* The requested file was not found. */
 		if ((cnp->cn_nameiop == CREATE ||
 		     cnp->cn_nameiop == RENAME) &&
 		    (flags & ISLASTCN)) {
 			/*
 			 * XXX: UFS does a full VOP_ACCESS(dvp,
 			 * VWRITE) here instead of just checking
 			 * MNT_RDONLY.
 			 */
 			if (mp->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			return (EJUSTRETURN);
 		}
 
 		if ((cnp->cn_flags & MAKEENTRY) != 0 && dattrflag) {
 			/*
 			 * Cache the modification time of the parent
 			 * directory from the post-op attributes in
 			 * the name cache entry.  The negative cache
 			 * entry will be ignored once the directory
 			 * has changed.  Don't bother adding the entry
 			 * if the directory has already changed.
 			 */
 			NFSLOCKNODE(np);
 			if (timespeccmp(&np->n_vattr.na_mtime,
 			    &dnfsva.na_mtime, ==)) {
 				NFSUNLOCKNODE(np);
 				cache_enter_time(dvp, NULL, cnp,
 				    &dnfsva.na_mtime, NULL);
 			} else
 				NFSUNLOCKNODE(np);
 		}
 		return (ENOENT);
 	}
 
 	/*
 	 * Handle RENAME case...
 	 */
 	if (cnp->cn_nameiop == RENAME && (flags & ISLASTCN)) {
 		if (NFS_CMPFH(np, nfhp->nfh_fh, nfhp->nfh_len)) {
 			free(nfhp, M_NFSFH);
 			return (EISDIR);
 		}
 		error = nfscl_nget(mp, dvp, nfhp, cnp, td, &np,
 		    LK_EXCLUSIVE);
 		if (error)
 			return (error);
 		newvp = NFSTOV(np);
 		/*
 		 * If n_localmodtime >= time before RPC, then
 		 * a file modification operation, such as
 		 * VOP_SETATTR() of size, has occurred while
 		 * the Lookup RPC and acquisition of the vnode
 		 * happened.  As such, the attributes might
 		 * be stale, with possibly an incorrect size.
 		 */
 		NFSLOCKNODE(np);
 		if (timespecisset(&np->n_localmodtime) &&
 		    timespeccmp(&np->n_localmodtime, &ts, >=)) {
 			NFSCL_DEBUG(4, "nfs_lookup: rename localmod "
 			    "stale attributes\n");
 			attrflag = 0;
 		}
 		NFSUNLOCKNODE(np);
 		if (attrflag)
 			(void) nfscl_loadattrcache(&newvp, &nfsva, NULL,
 			    0, 1);
 		*vpp = newvp;
 		return (0);
 	}
 
 	if (flags & ISDOTDOT) {
 		ltype = NFSVOPISLOCKED(dvp);
 		error = vfs_busy(mp, MBF_NOWAIT);
 		if (error != 0) {
 			vfs_ref(mp);
 			NFSVOPUNLOCK(dvp);
 			error = vfs_busy(mp, 0);
 			NFSVOPLOCK(dvp, ltype | LK_RETRY);
 			vfs_rel(mp);
 			if (error == 0 && VN_IS_DOOMED(dvp)) {
 				vfs_unbusy(mp);
 				error = ENOENT;
 			}
 			if (error != 0)
 				return (error);
 		}
 		NFSVOPUNLOCK(dvp);
 		error = nfscl_nget(mp, dvp, nfhp, cnp, td, &np,
 		    cnp->cn_lkflags);
 		if (error == 0)
 			newvp = NFSTOV(np);
 		vfs_unbusy(mp);
 		if (newvp != dvp)
 			NFSVOPLOCK(dvp, ltype | LK_RETRY);
 		if (VN_IS_DOOMED(dvp)) {
 			if (error == 0) {
 				if (newvp == dvp)
 					vrele(newvp);
 				else
 					vput(newvp);
 			}
 			error = ENOENT;
 		}
 		if (error != 0)
 			return (error);
 		if (attrflag)
 			(void) nfscl_loadattrcache(&newvp, &nfsva, NULL,
 			    0, 1);
 	} else if (NFS_CMPFH(np, nfhp->nfh_fh, nfhp->nfh_len)) {
 		free(nfhp, M_NFSFH);
-		VREF(dvp);
+		vref(dvp);
 		newvp = dvp;
 		if (attrflag)
 			(void) nfscl_loadattrcache(&newvp, &nfsva, NULL,
 			    0, 1);
 	} else {
 		error = nfscl_nget(mp, dvp, nfhp, cnp, td, &np,
 		    cnp->cn_lkflags);
 		if (error)
 			return (error);
 		newvp = NFSTOV(np);
 		if (opennamed)
 			vn_irflag_set_cond(newvp, VIRF_NAMEDATTR);
 		/*
 		 * If n_localmodtime >= time before RPC, then
 		 * a file modification operation, such as
 		 * VOP_SETATTR() of size, has occurred while
 		 * the Lookup RPC and acquisition of the vnode
 		 * happened.  As such, the attributes might
 		 * be stale, with possibly an incorrect size.
 		 */
 		NFSLOCKNODE(np);
 		if (timespecisset(&np->n_localmodtime) &&
 		    timespeccmp(&np->n_localmodtime, &ts, >=)) {
 			NFSCL_DEBUG(4, "nfs_lookup: localmod "
 			    "stale attributes\n");
 			attrflag = 0;
 		}
 		NFSUNLOCKNODE(np);
 		if (attrflag)
 			(void)nfscl_loadattrcache(&newvp, &nfsva, NULL,
 			    0, 1);
 		else if ((flags & (ISLASTCN | ISOPEN)) ==
 		    (ISLASTCN | ISOPEN) &&
 		    !(np->n_flag & NMODIFIED)) {			
 			/*
 			 * Flush the attribute cache when opening a
 			 * leaf node to ensure that fresh attributes
 			 * are fetched in nfs_open() since we did not
 			 * fetch attributes from the LOOKUP reply.
 			 */
 			NFSLOCKNODE(np);
 			np->n_attrstamp = 0;
 			KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(newvp);
 			NFSUNLOCKNODE(np);
 		}
 	}
 	if ((cnp->cn_flags & MAKEENTRY) && dvp != newvp &&
 	    (cnp->cn_nameiop != DELETE || !(flags & ISLASTCN)) &&
 	    attrflag != 0 && (newvp->v_type != VDIR || dattrflag != 0))
 		cache_enter_time(dvp, newvp, cnp, &nfsva.na_ctime,
 		    newvp->v_type != VDIR ? NULL : &dnfsva.na_ctime);
 	*vpp = newvp;
 	return (0);
 }
 
 /*
  * nfs read call.
  * Just call ncl_bioread() to do the work.
  */
 static int
 nfs_read(struct vop_read_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 
 	switch (vp->v_type) {
 	case VREG:
 		return (ncl_bioread(vp, ap->a_uio, ap->a_ioflag, ap->a_cred));
 	case VDIR:
 		return (EISDIR);
 	default:
 		return (EOPNOTSUPP);
 	}
 }
 
 /*
  * nfs readlink call
  */
 static int
 nfs_readlink(struct vop_readlink_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 
 	if (vp->v_type != VLNK)
 		return (EINVAL);
 	return (ncl_bioread(vp, ap->a_uio, 0, ap->a_cred));
 }
 
 /*
  * Do a readlink rpc.
  * Called by ncl_doio() from below the buffer cache.
  */
 int
 ncl_readlinkrpc(struct vnode *vp, struct uio *uiop, struct ucred *cred)
 {
 	int error, ret, attrflag;
 	struct nfsvattr nfsva;
 
 	error = nfsrpc_readlink(vp, uiop, cred, uiop->uio_td, &nfsva,
 	    &attrflag);
 	if (attrflag) {
 		ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (ret && !error)
 			error = ret;
 	}
 	if (error && NFS_ISV4(vp))
 		error = nfscl_maperr(uiop->uio_td, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * nfs read rpc call
  * Ditto above
  */
 int
 ncl_readrpc(struct vnode *vp, struct uio *uiop, struct ucred *cred)
 {
 	int error, ret, attrflag;
 	struct nfsvattr nfsva;
 	struct nfsmount *nmp;
 
 	nmp = VFSTONFS(vp->v_mount);
 	error = EIO;
 	attrflag = 0;
 	if (NFSHASPNFS(nmp))
 		error = nfscl_doiods(vp, uiop, NULL, NULL,
 		    NFSV4OPEN_ACCESSREAD, 0, cred, uiop->uio_td);
 	NFSCL_DEBUG(4, "readrpc: aft doiods=%d\n", error);
 	if (error != 0 && error != EFAULT)
 		error = nfsrpc_read(vp, uiop, cred, uiop->uio_td, &nfsva,
 		    &attrflag);
 	if (attrflag) {
 		ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (ret && !error)
 			error = ret;
 	}
 	if (error && NFS_ISV4(vp))
 		error = nfscl_maperr(uiop->uio_td, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * nfs write call
  */
 int
 ncl_writerpc(struct vnode *vp, struct uio *uiop, struct ucred *cred,
     int *iomode, int *must_commit, int called_from_strategy, int ioflag)
 {
 	struct nfsvattr nfsva;
 	int error, attrflag, ret;
 	struct nfsmount *nmp;
 
 	nmp = VFSTONFS(vp->v_mount);
 	error = EIO;
 	attrflag = 0;
 	if (NFSHASPNFS(nmp))
 		error = nfscl_doiods(vp, uiop, iomode, must_commit,
 		    NFSV4OPEN_ACCESSWRITE, 0, cred, uiop->uio_td);
 	NFSCL_DEBUG(4, "writerpc: aft doiods=%d\n", error);
 	if (error != 0 && error != EFAULT)
 		error = nfsrpc_write(vp, uiop, iomode, must_commit, cred,
 		    uiop->uio_td, &nfsva, &attrflag, called_from_strategy,
 		    ioflag);
 	if (attrflag) {
 		if (VTONFS(vp)->n_flag & ND_NFSV4)
 			ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 1, 1);
 		else
 			ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (ret && !error)
 			error = ret;
 	}
 	if (DOINGASYNC(vp))
 		*iomode = NFSWRITE_FILESYNC;
 	if (error && NFS_ISV4(vp))
 		error = nfscl_maperr(uiop->uio_td, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * nfs mknod rpc
  * For NFS v2 this is a kludge. Use a create rpc but with the IFMT bits of the
  * mode set to specify the file type and the size field for rdev.
  */
 static int
 nfs_mknodrpc(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp,
     struct vattr *vap)
 {
 	struct nfsvattr nfsva, dnfsva;
 	struct vnode *newvp = NULL;
 	struct nfsnode *np = NULL, *dnp;
 	struct nfsfh *nfhp;
 	struct vattr vattr;
 	int error = 0, attrflag, dattrflag;
 	u_int32_t rdev;
 
 	if (VATTR_ISDEV(vap))
 		rdev = vap->va_rdev;
 	else if (vap->va_type == VFIFO || vap->va_type == VSOCK)
 		rdev = 0xffffffff;
 	else
 		return (EOPNOTSUPP);
 	if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
 		return (error);
 	error = nfsrpc_mknod(dvp, cnp->cn_nameptr, cnp->cn_namelen, vap,
 	    rdev, vap->va_type, cnp->cn_cred, curthread, &dnfsva,
 	    &nfsva, &nfhp, &attrflag, &dattrflag);
 	if (!error) {
 		if (!nfhp)
 			(void) nfsrpc_lookup(dvp, cnp->cn_nameptr,
 			    cnp->cn_namelen, cnp->cn_cred, curthread,
 			    &dnfsva, &nfsva, &nfhp, &attrflag, &dattrflag, 0);
 		if (nfhp)
 			error = nfscl_nget(dvp->v_mount, dvp, nfhp, cnp,
 			    curthread, &np, LK_EXCLUSIVE);
 	}
 	if (dattrflag)
 		(void) nfscl_loadattrcache(&dvp, &dnfsva, NULL, 0, 1);
 	if (!error) {
 		newvp = NFSTOV(np);
 		if (attrflag != 0) {
 			error = nfscl_loadattrcache(&newvp, &nfsva, NULL, 0, 1);
 			if (error != 0)
 				vput(newvp);
 		}
 	}
 	if (!error) {
 		*vpp = newvp;
 	} else if (NFS_ISV4(dvp)) {
 		error = nfscl_maperr(curthread, error, vap->va_uid,
 		    vap->va_gid);
 	}
 	dnp = VTONFS(dvp);
 	NFSLOCKNODE(dnp);
 	dnp->n_flag |= NMODIFIED;
 	if (!dattrflag) {
 		dnp->n_attrstamp = 0;
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(dvp);
 	}
 	NFSUNLOCKNODE(dnp);
 	return (error);
 }
 
 /*
  * nfs mknod vop
  * just call nfs_mknodrpc() to do the work.
  */
 /* ARGSUSED */
 static int
 nfs_mknod(struct vop_mknod_args *ap)
 {
 	return (nfs_mknodrpc(ap->a_dvp, ap->a_vpp, ap->a_cnp, ap->a_vap));
 }
 
 static struct mtx nfs_cverf_mtx;
 MTX_SYSINIT(nfs_cverf_mtx, &nfs_cverf_mtx, "NFS create verifier mutex",
     MTX_DEF);
 
 static nfsquad_t
 nfs_get_cverf(void)
 {
 	static nfsquad_t cverf;
 	nfsquad_t ret;
 	static int cverf_initialized = 0;
 
 	mtx_lock(&nfs_cverf_mtx);
 	if (cverf_initialized == 0) {
 		cverf.lval[0] = arc4random();
 		cverf.lval[1] = arc4random();
 		cverf_initialized = 1;
 	} else
 		cverf.qval++;
 	ret = cverf;
 	mtx_unlock(&nfs_cverf_mtx);
 
 	return (ret);
 }
 
 /*
  * nfs file create call
  */
 static int
 nfs_create(struct vop_create_args *ap)
 {
 	struct vnode *dvp = ap->a_dvp;
 	struct vattr *vap = ap->a_vap;
 	struct componentname *cnp = ap->a_cnp;
 	struct nfsnode *np = NULL, *dnp;
 	struct vnode *newvp = NULL;
 	struct nfsmount *nmp;
 	struct nfsvattr dnfsva, nfsva;
 	struct nfsfh *nfhp;
 	nfsquad_t cverf;
 	int error = 0, attrflag, dattrflag, fmode = 0;
 	struct vattr vattr;
 	bool is_nameddir, needs_nameddir, opennamed;
 
 	/*
 	 * Oops, not for me..
 	 */
 	if (vap->va_type == VSOCK)
 		return (nfs_mknodrpc(dvp, ap->a_vpp, cnp, vap));
 
 	if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
 		return (error);
 	if (vap->va_vaflags & VA_EXCLUSIVE)
 		fmode |= O_EXCL;
 	dnp = VTONFS(dvp);
 	nmp = VFSTONFS(dvp->v_mount);
 	needs_nameddir = false;
 	if (NFSHASNFSV4(nmp) && NFSHASNFSV4N(nmp)) {
 		opennamed = (cnp->cn_flags & (OPENNAMED | ISLASTCN)) ==
 		    (OPENNAMED | ISLASTCN);
 		is_nameddir = (vn_irflag_read(dvp) & VIRF_NAMEDDIR) != 0;
 		if (opennamed || is_nameddir) {
 			cnp->cn_flags &= ~MAKEENTRY;
 			if (!is_nameddir)
 				needs_nameddir = true;
 		}
 	}
 
 	/*
 	 * If the named attribute directory is needed, acquire it now.
 	 */
 	if (needs_nameddir) {
 		KASSERT(dnp->n_v4 == NULL, ("nfs_create: O_NAMEDATTR when"
 		    " n_v4 not NULL"));
 		error = nfs_get_namedattrdir(dvp, cnp, &newvp);
 		if (error != 0)
 			return (error);
 		dvp = newvp;
 		dnp = VTONFS(dvp);
 		newvp = NULL;
 	}
 
 again:
 	/* For NFSv4, wait until any remove is done. */
 	NFSLOCKNODE(dnp);
 	while (NFSHASNFSV4(nmp) && (dnp->n_flag & NREMOVEINPROG)) {
 		dnp->n_flag |= NREMOVEWANT;
 		(void) msleep((caddr_t)dnp, &dnp->n_mtx, PZERO, "nfscrt", 0);
 	}
 	NFSUNLOCKNODE(dnp);
 
 	cverf = nfs_get_cverf();
 	error = nfsrpc_create(dvp, cnp->cn_nameptr, cnp->cn_namelen,
 	    vap, cverf, fmode, cnp->cn_cred, curthread, &dnfsva, &nfsva,
 	    &nfhp, &attrflag, &dattrflag);
 	if (!error) {
 		if (nfhp == NULL)
 			(void) nfsrpc_lookup(dvp, cnp->cn_nameptr,
 			    cnp->cn_namelen, cnp->cn_cred, curthread,
 			    &dnfsva, &nfsva, &nfhp, &attrflag, &dattrflag, 0);
 		if (nfhp != NULL)
 			error = nfscl_nget(dvp->v_mount, dvp, nfhp, cnp,
 			    curthread, &np, LK_EXCLUSIVE);
 	}
 	if (dattrflag)
 		(void) nfscl_loadattrcache(&dvp, &dnfsva, NULL, 0, 1);
 	if (!error) {
 		newvp = NFSTOV(np);
 		if (attrflag == 0)
 			error = nfsrpc_getattr(newvp, cnp->cn_cred, curthread,
 			    &nfsva);
 		if (error == 0)
 			error = nfscl_loadattrcache(&newvp, &nfsva, NULL, 0, 1);
 	}
 	if (error) {
 		if (newvp != NULL) {
 			vput(newvp);
 			newvp = NULL;
 		}
 		if (NFS_ISV34(dvp) && (fmode & O_EXCL) &&
 		    error == NFSERR_NOTSUPP) {
 			fmode &= ~O_EXCL;
 			goto again;
 		}
 	} else if (NFS_ISV34(dvp) && (fmode & O_EXCL)) {
 		if (nfscl_checksattr(vap, &nfsva)) {
 			error = nfsrpc_setattr(newvp, vap, NULL, cnp->cn_cred,
 			    curthread, &nfsva, &attrflag);
 			if (error && (vap->va_uid != (uid_t)VNOVAL ||
 			    vap->va_gid != (gid_t)VNOVAL)) {
 				/* try again without setting uid/gid */
 				vap->va_uid = (uid_t)VNOVAL;
 				vap->va_gid = (uid_t)VNOVAL;
 				error = nfsrpc_setattr(newvp, vap, NULL, 
 				    cnp->cn_cred, curthread, &nfsva, &attrflag);
 			}
 			if (attrflag)
 				(void) nfscl_loadattrcache(&newvp, &nfsva, NULL,
 				    0, 1);
 			if (error != 0)
 				vput(newvp);
 		}
 	}
 	if (!error) {
 		if ((cnp->cn_flags & MAKEENTRY) && attrflag) {
 			if (dvp != newvp)
 				cache_enter_time(dvp, newvp, cnp,
 				    &nfsva.na_ctime, NULL);
 			else
 				printf("nfs_create: bogus NFS server returned "
 				    "the directory as the new file object\n");
 		}
 		*ap->a_vpp = newvp;
 	} else if (NFS_ISV4(dvp)) {
 		error = nfscl_maperr(curthread, error, vap->va_uid,
 		    vap->va_gid);
 	}
 	NFSLOCKNODE(dnp);
 	dnp->n_flag |= NMODIFIED;
 	if (!dattrflag) {
 		dnp->n_attrstamp = 0;
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(dvp);
 	}
 	NFSUNLOCKNODE(dnp);
 	if (needs_nameddir)
 		vput(dvp);
 	return (error);
 }
 
 /*
  * nfs file remove call
  * To try and make nfs semantics closer to ufs semantics, a file that has
  * other processes using the vnode is renamed instead of removed and then
  * removed later on the last close.
  * - If v_usecount > 1
  *	  If a rename is not already in the works
  *	     call nfs_sillyrename() to set it up
  *     else
  *	  do the remove rpc
  */
 static int
 nfs_remove(struct vop_remove_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode *dvp = ap->a_dvp;
 	struct componentname *cnp = ap->a_cnp;
 	struct nfsnode *np = VTONFS(vp);
 	int error = 0;
 	struct vattr vattr;
 	struct nfsmount *nmp;
 
 	KASSERT(vrefcnt(vp) > 0, ("nfs_remove: bad v_usecount"));
 	if (vp->v_type == VDIR)
 		error = EPERM;
 	else if (vrefcnt(vp) == 1 || (np->n_sillyrename &&
 	    VOP_GETATTR(vp, &vattr, cnp->cn_cred) == 0 &&
 	    vattr.va_nlink > 1)) {
 		nmp = VFSTONFS(vp->v_mount);
 		/*
 		 * Purge the name cache so that the chance of a lookup for
 		 * the name succeeding while the remove is in progress is
 		 * minimized. Without node locking it can still happen, such
 		 * that an I/O op returns ESTALE, but since you get this if
 		 * another host removes the file..
 		 */
 		cache_purge(vp);
 		/*
 		 * throw away biocache buffers, mainly to avoid
 		 * unnecessary delayed writes later.
 		 * Flushing here would be more correct for the case
 		 * where nfs_close() did not do a flush.  However, it
 		 * could be a large performance hit for some servers
 		 * and only matters when the file name being removed is
 		 * one of multiple hard links.
 		 */
 		if (!NFSHASNFSV4(nmp) || !NFSHASNFSV4N(nmp) ||
 		    (nmp->nm_flag & NFSMNT_NOCTO) == 0)
 			error = ncl_vinvalbuf(vp, 0, curthread, 1);
 		if (error != EINTR && error != EIO)
 			/* Do the rpc */
 			error = nfs_removerpc(dvp, vp, cnp->cn_nameptr,
 			    cnp->cn_namelen, cnp->cn_cred, curthread, false);
 		/*
 		 * Kludge City: If the first reply to the remove rpc is lost..
 		 *   the reply to the retransmitted request will be ENOENT
 		 *   since the file was in fact removed
 		 *   Therefore, we cheat and return success.
 		 */
 		if (error == ENOENT)
 			error = 0;
 	} else if (!np->n_sillyrename)
 		error = nfs_sillyrename(dvp, vp, cnp);
 	NFSLOCKNODE(np);
 	np->n_attrstamp = 0;
 	NFSUNLOCKNODE(np);
 	KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp);
 	return (error);
 }
 
 /*
  * nfs file remove rpc called from nfs_inactive
  */
 int
 ncl_removeit(struct sillyrename *sp, struct vnode *vp)
 {
 	/*
 	 * Make sure that the directory vnode is still valid.
 	 * XXX we should lock sp->s_dvp here.
 	 */
 	if (sp->s_dvp->v_type == VBAD)
 		return (0);
 	return (nfs_removerpc(sp->s_dvp, vp, sp->s_name, sp->s_namlen,
 	    sp->s_cred, NULL, true));
 }
 
 /*
  * Handle the nfsremove_status reply from the RPC function.
  */
 static void
 nfs_removestatus(struct vnode *vp, nfsremove_status file_status,
     bool silly, struct thread *td)
 {
 
 	switch (file_status) {
 	case NLINK_ZERO:
 		/* Get rid of any delegation. */
 		nfscl_delegreturnvp(vp, false, td);
 		/* FALLTHROUGH */
 	case DELETED:
 		/* Throw away buffer cache blocks. */
 		(void)ncl_vinvalbuf(vp, 0, td, 1);
 		break;
 	case VALID:
 		/* Nothing to do, delegation is still ok. */
 		break;
 	default:
 		break;
 	}
 }
 
 /*
  * Nfs remove rpc, called from nfs_remove() and ncl_removeit().
  */
 static int
 nfs_removerpc(struct vnode *dvp, struct vnode *vp, char *name,
     int namelen, struct ucred *cred, struct thread *td, bool silly)
 {
 	struct nfsvattr dnfsva, nfsva;
 	struct nfsnode *dnp = VTONFS(dvp);
 	struct nfsmount *nmp;
 	int attrflag, error = 0, dattrflag;
 	nfsremove_status file_status;
 
 	nmp = VFSTONFS(dvp->v_mount);
 	NFSLOCKNODE(dnp);
 	dnp->n_flag |= NREMOVEINPROG;
 	NFSUNLOCKNODE(dnp);
 	error = nfsrpc_remove(dvp, name, namelen, vp, &nfsva, &attrflag,
 	    &file_status, &dnfsva, &dattrflag, cred, td);
 	NFSLOCKNODE(dnp);
 	if ((dnp->n_flag & NREMOVEWANT)) {
 		dnp->n_flag &= ~(NREMOVEWANT | NREMOVEINPROG);
 		NFSUNLOCKNODE(dnp);
 		wakeup((caddr_t)dnp);
 	} else {
 		dnp->n_flag &= ~NREMOVEINPROG;
 		NFSUNLOCKNODE(dnp);
 	}
 
 	if (NFSHASNFSV4(nmp) && NFSHASNFSV4N(nmp)) {
 		if (file_status != DELETED && attrflag != 0)
 			(void)nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if ((nmp->nm_flag & NFSMNT_NOCTO) != 0)
 			nfs_removestatus(vp, file_status, silly, td);
 	}
 
 	if (dattrflag != 0)
 		(void) nfscl_loadattrcache(&dvp, &dnfsva, NULL, 0, 1);
 	NFSLOCKNODE(dnp);
 	dnp->n_flag |= NMODIFIED;
 	if (dattrflag == 0) {
 		dnp->n_attrstamp = 0;
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(dvp);
 	}
 	NFSUNLOCKNODE(dnp);
 	if (error && NFS_ISV4(dvp))
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * nfs file rename call
  */
 static int
 nfs_rename(struct vop_rename_args *ap)
 {
 	struct vnode *fvp = ap->a_fvp;
 	struct vnode *tvp = ap->a_tvp;
 	struct vnode *fdvp = ap->a_fdvp;
 	struct vnode *tdvp = ap->a_tdvp;
 	struct componentname *tcnp = ap->a_tcnp;
 	struct componentname *fcnp = ap->a_fcnp;
 	struct nfsnode *fnp = VTONFS(ap->a_fvp);
 	struct nfsnode *tdnp = VTONFS(ap->a_tdvp);
 	struct nfsv4node *newv4 = NULL;
 	struct nfsmount *nmp;
 	int error;
 
 	/* Check for cross-device rename */
 	if ((fvp->v_mount != tdvp->v_mount) ||
 	    (tvp && (fvp->v_mount != tvp->v_mount))) {
 		error = EXDEV;
 		goto out;
 	}
 	nmp = VFSTONFS(fvp->v_mount);
 
 	if (fvp == tvp) {
 		printf("nfs_rename: fvp == tvp (can't happen)\n");
 		error = 0;
 		goto out;
 	}
 	if ((error = NFSVOPLOCK(fvp, LK_EXCLUSIVE)) != 0)
 		goto out;
 
 	/*
 	 * We have to flush B_DELWRI data prior to renaming
 	 * the file.  If we don't, the delayed-write buffers
 	 * can be flushed out later after the file has gone stale
 	 * under NFSV3.  NFSV2 does not have this problem because
 	 * ( as far as I can tell ) it flushes dirty buffers more
 	 * often.
 	 * 
 	 * Skip the rename operation if the fsync fails, this can happen
 	 * due to the server's volume being full, when we pushed out data
 	 * that was written back to our cache earlier. Not checking for
 	 * this condition can result in potential (silent) data loss.
 	 */
 	if ((nmp->nm_flag & NFSMNT_NOCTO) == 0 || !NFSHASNFSV4(nmp) ||
 	    !NFSHASNFSV4N(nmp) || nfscl_mustflush(fvp) != 0)
 		error = VOP_FSYNC(fvp, MNT_WAIT, curthread);
 	NFSVOPUNLOCK(fvp);
 	if (error == 0 && tvp != NULL && ((nmp->nm_flag & NFSMNT_NOCTO) == 0 ||
 	    !NFSHASNFSV4(nmp) || !NFSHASNFSV4N(nmp) ||
 	    nfscl_mustflush(tvp) != 0))
 		error = VOP_FSYNC(tvp, MNT_WAIT, curthread);
 	if (error != 0)
 		goto out;
 
 	/*
 	 * If the tvp exists and is in use, sillyrename it before doing the
 	 * rename of the new file over it.
 	 * XXX Can't sillyrename a directory.
 	 */
 	if (tvp && vrefcnt(tvp) > 1 && !VTONFS(tvp)->n_sillyrename &&
 		tvp->v_type != VDIR && !nfs_sillyrename(tdvp, tvp, tcnp)) {
 		vput(tvp);
 		tvp = NULL;
 	}
 
 	error = nfs_renamerpc(fdvp, fvp, fcnp->cn_nameptr, fcnp->cn_namelen,
 	    tdvp, tvp, tcnp->cn_nameptr, tcnp->cn_namelen, false, tcnp->cn_cred,
 	    curthread);
 
 	if (error == 0 && NFS_ISV4(tdvp)) {
 		/*
 		 * For NFSv4, check to see if it is the same name and
 		 * replace the name, if it is different.
 		 */
 		newv4 = malloc(
 		    sizeof (struct nfsv4node) +
 		    tdnp->n_fhp->nfh_len + tcnp->cn_namelen - 1,
 		    M_NFSV4NODE, M_WAITOK);
 		NFSLOCKNODE(tdnp);
 		NFSLOCKNODE(fnp);
 		if (fnp->n_v4 != NULL && fvp->v_type == VREG &&
 		    (fnp->n_v4->n4_namelen != tcnp->cn_namelen ||
 		      NFSBCMP(tcnp->cn_nameptr, NFS4NODENAME(fnp->n_v4),
 		      tcnp->cn_namelen) ||
 		      tdnp->n_fhp->nfh_len != fnp->n_v4->n4_fhlen ||
 		      NFSBCMP(tdnp->n_fhp->nfh_fh, fnp->n_v4->n4_data,
 			tdnp->n_fhp->nfh_len))) {
 			free(fnp->n_v4, M_NFSV4NODE);
 			fnp->n_v4 = newv4;
 			newv4 = NULL;
 			fnp->n_v4->n4_fhlen = tdnp->n_fhp->nfh_len;
 			fnp->n_v4->n4_namelen = tcnp->cn_namelen;
 			NFSBCOPY(tdnp->n_fhp->nfh_fh, fnp->n_v4->n4_data,
 			    tdnp->n_fhp->nfh_len);
 			NFSBCOPY(tcnp->cn_nameptr,
 			    NFS4NODENAME(fnp->n_v4), tcnp->cn_namelen);
 		}
 		NFSUNLOCKNODE(tdnp);
 		NFSUNLOCKNODE(fnp);
 		if (newv4 != NULL)
 			free(newv4, M_NFSV4NODE);
 	}
 
 	if (fvp->v_type == VDIR) {
 		if (tvp != NULL && tvp->v_type == VDIR)
 			cache_purge(tdvp);
 		cache_purge(fdvp);
 	}
 
 out:
 	if (tdvp == tvp)
 		vrele(tdvp);
 	else
 		vput(tdvp);
 	if (tvp)
 		vput(tvp);
 	vrele(fdvp);
 	vrele(fvp);
 	/*
 	 * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry.
 	 */
 	if (error == ENOENT)
 		error = 0;
 	return (error);
 }
 
 /*
  * nfs file rename rpc called from nfs_remove() above
  */
 static int
 nfs_renameit(struct vnode *sdvp, struct vnode *svp, struct componentname *scnp,
     struct sillyrename *sp)
 {
 
 	return (nfs_renamerpc(sdvp, svp, scnp->cn_nameptr, scnp->cn_namelen,
 	    sdvp, NULL, sp->s_name, sp->s_namlen, true, scnp->cn_cred,
 	    curthread));
 }
 
 /*
  * Do an nfs rename rpc. Called from nfs_rename() and nfs_renameit().
  */
 static int
 nfs_renamerpc(struct vnode *fdvp, struct vnode *fvp, char *fnameptr,
     int fnamelen, struct vnode *tdvp, struct vnode *tvp, char *tnameptr,
     int tnamelen, bool silly, struct ucred *cred, struct thread *td)
 {
 	struct nfsvattr fnfsva, tnfsva, tvpnfsva;
 	struct nfsnode *fdnp = VTONFS(fdvp);
 	struct nfsnode *tdnp = VTONFS(tdvp);
 	struct nfsmount *nmp;
 	int error = 0, fattrflag, tattrflag, tvpattrflag;
 	nfsremove_status tvp_status;
 
 	nmp = VFSTONFS(fdvp->v_mount);
 	error = nfsrpc_rename(fdvp, fvp, fnameptr, fnamelen, tdvp, tvp,
 	    tnameptr, tnamelen, &tvp_status, &fnfsva, &tnfsva, &fattrflag,
 	    &tattrflag, &tvpnfsva, &tvpattrflag, cred, td);
 	NFSLOCKNODE(fdnp);
 	fdnp->n_flag |= NMODIFIED;
 	if (fattrflag != 0) {
 		NFSUNLOCKNODE(fdnp);
 		(void) nfscl_loadattrcache(&fdvp, &fnfsva, NULL, 0, 1);
 	} else {
 		fdnp->n_attrstamp = 0;
 		NFSUNLOCKNODE(fdnp);
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(fdvp);
 	}
 	NFSLOCKNODE(tdnp);
 	tdnp->n_flag |= NMODIFIED;
 	if (tattrflag != 0) {
 		NFSUNLOCKNODE(tdnp);
 		(void) nfscl_loadattrcache(&tdvp, &tnfsva, NULL, 0, 1);
 	} else {
 		tdnp->n_attrstamp = 0;
 		NFSUNLOCKNODE(tdnp);
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(tdvp);
 	}
 
 	if (tvp != NULL) {
 		if (NFSHASNFSV4(nmp) && NFSHASNFSV4N(nmp) &&
 		    (nmp->nm_flag & NFSMNT_NOCTO) != 0)
 			nfs_removestatus(tvp, tvp_status, silly, td);
 		if (!silly && tvpattrflag != 0)
 			(void)nfscl_loadattrcache(&tvp, &tvpnfsva, NULL, 0, 1);
 	}
 
 	if (error && NFS_ISV4(fdvp))
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * nfs hard link create call
  */
 static int
 nfs_link(struct vop_link_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode *tdvp = ap->a_tdvp;
 	struct componentname *cnp = ap->a_cnp;
 	struct nfsnode *np, *tdnp;
 	struct nfsvattr nfsva, dnfsva;
 	int error = 0, attrflag, dattrflag;
 
 	/*
 	 * Push all writes to the server, so that the attribute cache
 	 * doesn't get "out of sync" with the server.
 	 * XXX There should be a better way!
 	 */
 #ifdef notnow
 	VOP_FSYNC(vp, MNT_WAIT, curthread);
 #endif
 
 	error = nfsrpc_link(tdvp, vp, cnp->cn_nameptr, cnp->cn_namelen,
 	    cnp->cn_cred, curthread, &dnfsva, &nfsva, &attrflag, &dattrflag);
 	tdnp = VTONFS(tdvp);
 	NFSLOCKNODE(tdnp);
 	tdnp->n_flag |= NMODIFIED;
 	if (dattrflag != 0) {
 		NFSUNLOCKNODE(tdnp);
 		(void) nfscl_loadattrcache(&tdvp, &dnfsva, NULL, 0, 1);
 	} else {
 		tdnp->n_attrstamp = 0;
 		NFSUNLOCKNODE(tdnp);
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(tdvp);
 	}
 	if (attrflag)
 		(void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 	else {
 		np = VTONFS(vp);
 		NFSLOCKNODE(np);
 		np->n_attrstamp = 0;
 		NFSUNLOCKNODE(np);
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp);
 	}
 	/*
 	 * If negative lookup caching is enabled, I might as well
 	 * add an entry for this node. Not necessary for correctness,
 	 * but if negative caching is enabled, then the system
 	 * must care about lookup caching hit rate, so...
 	 */
 	if (VFSTONFS(vp->v_mount)->nm_negnametimeo != 0 &&
 	    (cnp->cn_flags & MAKEENTRY) && attrflag != 0 && error == 0) {
 		if (tdvp != vp)
 			cache_enter_time(tdvp, vp, cnp, &nfsva.na_ctime, NULL);
 		else
 			printf("nfs_link: bogus NFS server returned "
 			    "the directory as the new link\n");
 	}
 	if (error && NFS_ISV4(vp))
 		error = nfscl_maperr(curthread, error, (uid_t)0,
 		    (gid_t)0);
 	return (error);
 }
 
 /*
  * nfs symbolic link create call
  */
 static int
 nfs_symlink(struct vop_symlink_args *ap)
 {
 	struct vnode *dvp = ap->a_dvp;
 	struct vattr *vap = ap->a_vap;
 	struct componentname *cnp = ap->a_cnp;
 	struct nfsvattr nfsva, dnfsva;
 	struct nfsfh *nfhp;
 	struct nfsnode *np = NULL, *dnp;
 	struct vnode *newvp = NULL;
 	int error = 0, attrflag, dattrflag, ret;
 
 	vap->va_type = VLNK;
 	error = nfsrpc_symlink(dvp, cnp->cn_nameptr, cnp->cn_namelen,
 	    ap->a_target, vap, cnp->cn_cred, curthread, &dnfsva,
 	    &nfsva, &nfhp, &attrflag, &dattrflag);
 	if (nfhp) {
 		ret = nfscl_nget(dvp->v_mount, dvp, nfhp, cnp, curthread,
 		    &np, LK_EXCLUSIVE);
 		if (!ret)
 			newvp = NFSTOV(np);
 		else if (!error)
 			error = ret;
 	}
 	if (newvp != NULL) {
 		if (attrflag)
 			(void) nfscl_loadattrcache(&newvp, &nfsva, NULL, 0, 1);
 	} else if (!error) {
 		/*
 		 * If we do not have an error and we could not extract the
 		 * newvp from the response due to the request being NFSv2, we
 		 * have to do a lookup in order to obtain a newvp to return.
 		 */
 		error = nfs_lookitup(dvp, cnp->cn_nameptr, cnp->cn_namelen,
 		    cnp->cn_cred, curthread, &np);
 		if (!error)
 			newvp = NFSTOV(np);
 	}
 	if (error) {
 		if (newvp)
 			vput(newvp);
 		if (NFS_ISV4(dvp))
 			error = nfscl_maperr(curthread, error,
 			    vap->va_uid, vap->va_gid);
 	} else {
 		*ap->a_vpp = newvp;
 	}
 
 	dnp = VTONFS(dvp);
 	NFSLOCKNODE(dnp);
 	dnp->n_flag |= NMODIFIED;
 	if (dattrflag != 0) {
 		NFSUNLOCKNODE(dnp);
 		(void) nfscl_loadattrcache(&dvp, &dnfsva, NULL, 0, 1);
 	} else {
 		dnp->n_attrstamp = 0;
 		NFSUNLOCKNODE(dnp);
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(dvp);
 	}
 	/*
 	 * If negative lookup caching is enabled, I might as well
 	 * add an entry for this node. Not necessary for correctness,
 	 * but if negative caching is enabled, then the system
 	 * must care about lookup caching hit rate, so...
 	 */
 	if (VFSTONFS(dvp->v_mount)->nm_negnametimeo != 0 &&
 	    (cnp->cn_flags & MAKEENTRY) && attrflag != 0 && error == 0) {
 		if (dvp != newvp)
 			cache_enter_time(dvp, newvp, cnp, &nfsva.na_ctime,
 			    NULL);
 		else
 			printf("nfs_symlink: bogus NFS server returned "
 			    "the directory as the new file object\n");
 	}
 	return (error);
 }
 
 /*
  * nfs make dir call
  */
 static int
 nfs_mkdir(struct vop_mkdir_args *ap)
 {
 	struct vnode *dvp = ap->a_dvp;
 	struct vattr *vap = ap->a_vap;
 	struct componentname *cnp = ap->a_cnp;
 	struct nfsnode *np = NULL, *dnp;
 	struct vnode *newvp = NULL;
 	struct vattr vattr;
 	struct nfsfh *nfhp;
 	struct nfsvattr nfsva, dnfsva;
 	int error = 0, attrflag, dattrflag, ret;
 
 	if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)) != 0)
 		return (error);
 	vap->va_type = VDIR;
 	error = nfsrpc_mkdir(dvp, cnp->cn_nameptr, cnp->cn_namelen,
 	    vap, cnp->cn_cred, curthread, &dnfsva, &nfsva, &nfhp,
 	    &attrflag, &dattrflag);
 	dnp = VTONFS(dvp);
 	NFSLOCKNODE(dnp);
 	dnp->n_flag |= NMODIFIED;
 	if (dattrflag != 0) {
 		NFSUNLOCKNODE(dnp);
 		(void) nfscl_loadattrcache(&dvp, &dnfsva, NULL, 0, 1);
 	} else {
 		dnp->n_attrstamp = 0;
 		NFSUNLOCKNODE(dnp);
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(dvp);
 	}
 	if (nfhp) {
 		ret = nfscl_nget(dvp->v_mount, dvp, nfhp, cnp, curthread,
 		    &np, LK_EXCLUSIVE);
 		if (!ret) {
 			newvp = NFSTOV(np);
 			if (attrflag)
 			   (void) nfscl_loadattrcache(&newvp, &nfsva, NULL,
 				0, 1);
 		} else if (!error)
 			error = ret;
 	}
 	if (!error && newvp == NULL) {
 		error = nfs_lookitup(dvp, cnp->cn_nameptr, cnp->cn_namelen,
 		    cnp->cn_cred, curthread, &np);
 		if (!error) {
 			newvp = NFSTOV(np);
 			if (newvp->v_type != VDIR)
 				error = EEXIST;
 		}
 	}
 	if (error) {
 		if (newvp)
 			vput(newvp);
 		if (NFS_ISV4(dvp))
 			error = nfscl_maperr(curthread, error,
 			    vap->va_uid, vap->va_gid);
 	} else {
 		/*
 		 * If negative lookup caching is enabled, I might as well
 		 * add an entry for this node. Not necessary for correctness,
 		 * but if negative caching is enabled, then the system
 		 * must care about lookup caching hit rate, so...
 		 */
 		if (VFSTONFS(dvp->v_mount)->nm_negnametimeo != 0 &&
 		    (cnp->cn_flags & MAKEENTRY) &&
 		    attrflag != 0 && dattrflag != 0) {
 			if (dvp != newvp)
 				cache_enter_time(dvp, newvp, cnp,
 				    &nfsva.na_ctime, &dnfsva.na_ctime);
 			else
 				printf("nfs_mkdir: bogus NFS server returned "
 				    "the directory that the directory was "
 				    "created in as the new file object\n");
 		}
 		*ap->a_vpp = newvp;
 	}
 	return (error);
 }
 
 /*
  * nfs remove directory call
  */
 static int
 nfs_rmdir(struct vop_rmdir_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode *dvp = ap->a_dvp;
 	struct componentname *cnp = ap->a_cnp;
 	struct nfsnode *dnp;
 	struct nfsvattr dnfsva;
 	int error, dattrflag;
 
 	if (dvp == vp)
 		return (EINVAL);
 	error = nfsrpc_rmdir(dvp, cnp->cn_nameptr, cnp->cn_namelen,
 	    cnp->cn_cred, curthread, &dnfsva, &dattrflag);
 	dnp = VTONFS(dvp);
 	NFSLOCKNODE(dnp);
 	dnp->n_flag |= NMODIFIED;
 	if (dattrflag != 0) {
 		NFSUNLOCKNODE(dnp);
 		(void) nfscl_loadattrcache(&dvp, &dnfsva, NULL, 0, 1);
 	} else {
 		dnp->n_attrstamp = 0;
 		NFSUNLOCKNODE(dnp);
 		KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(dvp);
 	}
 
 	cache_purge(dvp);
 	cache_purge(vp);
 	if (error && NFS_ISV4(dvp))
 		error = nfscl_maperr(curthread, error, (uid_t)0,
 		    (gid_t)0);
 	/*
 	 * Kludge: Map ENOENT => 0 assuming that you have a reply to a retry.
 	 */
 	if (error == ENOENT)
 		error = 0;
 	return (error);
 }
 
 /*
  * nfs readdir call
  */
 static int
 nfs_readdir(struct vop_readdir_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsnode *np = VTONFS(vp);
 	struct uio *uio = ap->a_uio;
 	ssize_t tresid, left;
 	int error = 0;
 	struct vattr vattr;
 
 	if (ap->a_eofflag != NULL)
 		*ap->a_eofflag = 0;
 	if (vp->v_type != VDIR) 
 		return(EPERM);
 
 	/*
 	 * First, check for hit on the EOF offset cache
 	 */
 	NFSLOCKNODE(np);
 	if (np->n_direofoffset > 0 && uio->uio_offset >= np->n_direofoffset &&
 	    (np->n_flag & NMODIFIED) == 0) {
 		NFSUNLOCKNODE(np);
 		if (VOP_GETATTR(vp, &vattr, ap->a_cred) == 0) {
 			NFSLOCKNODE(np);
 			if ((NFS_ISV4(vp) && np->n_change == vattr.va_filerev) ||
 			    !NFS_TIMESPEC_COMPARE(&np->n_mtime, &vattr.va_mtime)) {
 				NFSUNLOCKNODE(np);
 				NFSINCRGLOBAL(nfsstatsv1.direofcache_hits);
 				if (ap->a_eofflag != NULL)
 					*ap->a_eofflag = 1;
 				return (0);
 			} else
 				NFSUNLOCKNODE(np);
 		}
 	} else
 		NFSUNLOCKNODE(np);
 
 	/*
 	 * NFS always guarantees that directory entries don't straddle
 	 * DIRBLKSIZ boundaries.  As such, we need to limit the size
 	 * to an exact multiple of DIRBLKSIZ, to avoid copying a partial
 	 * directory entry.
 	 */
 	left = uio->uio_resid % DIRBLKSIZ;
 	if (left == uio->uio_resid)
 		return (EINVAL);
 	uio->uio_resid -= left;
 
 	/*
 	 * For readdirplus, if starting to read the directory,
 	 * purge the name cache, since it will be reloaded by
 	 * this directory read.
 	 * This removes potentially stale name cache entries.
 	 */
 	if (uio->uio_offset == 0 &&
 	    (VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_RDIRPLUS) != 0)
 		cache_purge(vp);
 
 	/*
 	 * Call ncl_bioread() to do the real work.
 	 */
 	tresid = uio->uio_resid;
 	error = ncl_bioread(vp, uio, 0, ap->a_cred);
 
 	if (!error && uio->uio_resid == tresid) {
 		NFSINCRGLOBAL(nfsstatsv1.direofcache_misses);
 		if (ap->a_eofflag != NULL)
 			*ap->a_eofflag = 1;
 	}
 
 	/* Add the partial DIRBLKSIZ (left) back in. */
 	uio->uio_resid += left;
 	return (error);
 }
 
 /*
  * Readdir rpc call.
  * Called from below the buffer cache by ncl_doio().
  */
 int
 ncl_readdirrpc(struct vnode *vp, struct uio *uiop, struct ucred *cred,
     struct thread *td)
 {
 	struct nfsvattr nfsva;
 	nfsuint64 *cookiep, cookie;
 	struct nfsnode *dnp = VTONFS(vp);
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	int error = 0, eof, attrflag;
 
 	KASSERT(uiop->uio_iovcnt == 1 &&
 	    (uiop->uio_offset & (DIRBLKSIZ - 1)) == 0 &&
 	    (uiop->uio_resid & (DIRBLKSIZ - 1)) == 0,
 	    ("nfs readdirrpc bad uio"));
 
 	/*
 	 * If there is no cookie, assume directory was stale.
 	 */
 	ncl_dircookie_lock(dnp);
 	NFSUNLOCKNODE(dnp);
 	cookiep = ncl_getcookie(dnp, uiop->uio_offset, 0);
 	if (cookiep) {
 		cookie = *cookiep;
 		ncl_dircookie_unlock(dnp);
 	} else {
 		ncl_dircookie_unlock(dnp);		
 		return (NFSERR_BAD_COOKIE);
 	}
 
 	if (NFSHASNFSV3(nmp) && !NFSHASGOTFSINFO(nmp))
 		(void)ncl_fsinfo(nmp, vp, cred, td);
 
 	error = nfsrpc_readdir(vp, uiop, &cookie, cred, td, &nfsva,
 	    &attrflag, &eof);
 	if (attrflag)
 		(void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 
 	if (!error) {
 		/*
 		 * We are now either at the end of the directory or have filled
 		 * the block.
 		 */
 		if (eof) {
 			NFSLOCKNODE(dnp);
 			dnp->n_direofoffset = uiop->uio_offset;
 			NFSUNLOCKNODE(dnp);
 		} else {
 			if (uiop->uio_resid > 0)
 				printf("EEK! readdirrpc resid > 0\n");
 			ncl_dircookie_lock(dnp);
 			NFSUNLOCKNODE(dnp);
 			cookiep = ncl_getcookie(dnp, uiop->uio_offset, 1);
 			*cookiep = cookie;
 			ncl_dircookie_unlock(dnp);
 		}
 	} else if (NFS_ISV4(vp)) {
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	}
 	return (error);
 }
 
 /*
  * NFS V3 readdir plus RPC. Used in place of ncl_readdirrpc().
  */
 int
 ncl_readdirplusrpc(struct vnode *vp, struct uio *uiop, struct ucred *cred,
     struct thread *td)
 {
 	struct nfsvattr nfsva;
 	nfsuint64 *cookiep, cookie;
 	struct nfsnode *dnp = VTONFS(vp);
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	int error = 0, attrflag, eof;
 
 	KASSERT(uiop->uio_iovcnt == 1 &&
 	    (uiop->uio_offset & (DIRBLKSIZ - 1)) == 0 &&
 	    (uiop->uio_resid & (DIRBLKSIZ - 1)) == 0,
 	    ("nfs readdirplusrpc bad uio"));
 
 	/*
 	 * If there is no cookie, assume directory was stale.
 	 */
 	ncl_dircookie_lock(dnp);
 	NFSUNLOCKNODE(dnp);
 	cookiep = ncl_getcookie(dnp, uiop->uio_offset, 0);
 	if (cookiep) {
 		cookie = *cookiep;
 		ncl_dircookie_unlock(dnp);
 	} else {
 		ncl_dircookie_unlock(dnp);
 		return (NFSERR_BAD_COOKIE);
 	}
 
 	if (NFSHASNFSV3(nmp) && !NFSHASGOTFSINFO(nmp))
 		(void)ncl_fsinfo(nmp, vp, cred, td);
 	error = nfsrpc_readdirplus(vp, uiop, &cookie, cred, td, &nfsva,
 	    &attrflag, &eof);
 	if (attrflag)
 		(void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 
 	if (!error) {
 		/*
 		 * We are now either at end of the directory or have filled the
 		 * the block.
 		 */
 		if (eof) {
 			NFSLOCKNODE(dnp);
 			dnp->n_direofoffset = uiop->uio_offset;
 			NFSUNLOCKNODE(dnp);
 		} else {
 			if (uiop->uio_resid > 0)
 				printf("EEK! readdirplusrpc resid > 0\n");
 			ncl_dircookie_lock(dnp);
 			NFSUNLOCKNODE(dnp);
 			cookiep = ncl_getcookie(dnp, uiop->uio_offset, 1);
 			*cookiep = cookie;
 			ncl_dircookie_unlock(dnp);
 		}
 	} else if (NFS_ISV4(vp)) {
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	}
 	return (error);
 }
 
 /*
  * Silly rename. To make the NFS filesystem that is stateless look a little
  * more like the "ufs" a remove of an active vnode is translated to a rename
  * to a funny looking filename that is removed by nfs_inactive on the
  * nfsnode. There is the potential for another process on a different client
  * to create the same funny name between the nfs_lookitup() fails and the
  * nfs_rename() completes, but...
  */
 static int
 nfs_sillyrename(struct vnode *dvp, struct vnode *vp, struct componentname *cnp)
 {
 	struct sillyrename *sp;
 	struct nfsnode *np;
 	int error;
 	short pid;
 	unsigned int lticks;
 
 	cache_purge(dvp);
 	np = VTONFS(vp);
 	KASSERT(vp->v_type != VDIR, ("nfs: sillyrename dir"));
 	sp = malloc(sizeof (struct sillyrename),
 	    M_NEWNFSREQ, M_WAITOK);
 	sp->s_cred = crhold(cnp->cn_cred);
 	sp->s_dvp = dvp;
-	VREF(dvp);
+	vref(dvp);
 
 	/* 
 	 * Fudge together a funny name.
 	 * Changing the format of the funny name to accommodate more 
 	 * sillynames per directory.
 	 * The name is now changed to .nfs.<ticks>.<pid>.4, where ticks is 
 	 * CPU ticks since boot.
 	 */
 	pid = curthread->td_proc->p_pid;
 	lticks = (unsigned int)ticks;
 	for ( ; ; ) {
 		sp->s_namlen = sprintf(sp->s_name, 
 				       ".nfs.%08x.%04x4.4", lticks, 
 				       pid);
 		if (nfs_lookitup(dvp, sp->s_name, sp->s_namlen, sp->s_cred,
 				 curthread, NULL))
 			break;
 		lticks++;
 	}
 	error = nfs_renameit(dvp, vp, cnp, sp);
 	if (error)
 		goto bad;
 	error = nfs_lookitup(dvp, sp->s_name, sp->s_namlen, sp->s_cred,
 		curthread, &np);
 	np->n_sillyrename = sp;
 	return (0);
 bad:
 	vrele(sp->s_dvp);
 	crfree(sp->s_cred);
 	free(sp, M_NEWNFSREQ);
 	return (error);
 }
 
 /*
  * Look up a file name and optionally either update the file handle or
  * allocate an nfsnode, depending on the value of npp.
  * npp == NULL	--> just do the lookup
  * *npp == NULL --> allocate a new nfsnode and make sure attributes are
  *			handled too
  * *npp != NULL --> update the file handle in the vnode
  */
 static int
 nfs_lookitup(struct vnode *dvp, char *name, int len, struct ucred *cred,
     struct thread *td, struct nfsnode **npp)
 {
 	struct vnode *newvp = NULL, *vp;
 	struct nfsnode *np, *dnp = VTONFS(dvp);
 	struct nfsfh *nfhp, *onfhp;
 	struct nfsvattr nfsva, dnfsva;
 	struct componentname cn;
 	int error = 0, attrflag, dattrflag;
 	u_int hash;
 	struct timespec ts;
 
 	nanouptime(&ts);
 	error = nfsrpc_lookup(dvp, name, len, cred, td, &dnfsva, &nfsva,
 	    &nfhp, &attrflag, &dattrflag, 0);
 	if (dattrflag)
 		(void) nfscl_loadattrcache(&dvp, &dnfsva, NULL, 0, 1);
 	if (npp && !error) {
 		if (*npp != NULL) {
 		    np = *npp;
 		    vp = NFSTOV(np);
 		    /*
 		     * For NFSv4, check to see if it is the same name and
 		     * replace the name, if it is different.
 		     */
 		    if (np->n_v4 != NULL && nfsva.na_type == VREG &&
 			(np->n_v4->n4_namelen != len ||
 			 NFSBCMP(name, NFS4NODENAME(np->n_v4), len) ||
 			 dnp->n_fhp->nfh_len != np->n_v4->n4_fhlen ||
 			 NFSBCMP(dnp->n_fhp->nfh_fh, np->n_v4->n4_data,
 			 dnp->n_fhp->nfh_len))) {
 			    free(np->n_v4, M_NFSV4NODE);
 			    np->n_v4 = malloc(
 				sizeof (struct nfsv4node) +
 				dnp->n_fhp->nfh_len + len - 1,
 				M_NFSV4NODE, M_WAITOK);
 			    np->n_v4->n4_fhlen = dnp->n_fhp->nfh_len;
 			    np->n_v4->n4_namelen = len;
 			    NFSBCOPY(dnp->n_fhp->nfh_fh, np->n_v4->n4_data,
 				dnp->n_fhp->nfh_len);
 			    NFSBCOPY(name, NFS4NODENAME(np->n_v4), len);
 		    }
 		    hash = fnv_32_buf(nfhp->nfh_fh, nfhp->nfh_len,
 			FNV1_32_INIT);
 		    onfhp = np->n_fhp;
 		    /*
 		     * Rehash node for new file handle.
 		     */
 		    vfs_hash_rehash(vp, hash);
 		    np->n_fhp = nfhp;
 		    if (onfhp != NULL)
 			free(onfhp, M_NFSFH);
 		    newvp = NFSTOV(np);
 		} else if (NFS_CMPFH(dnp, nfhp->nfh_fh, nfhp->nfh_len)) {
 		    free(nfhp, M_NFSFH);
-		    VREF(dvp);
+		    vref(dvp);
 		    newvp = dvp;
 		} else {
 		    cn.cn_nameptr = name;
 		    cn.cn_namelen = len;
 		    error = nfscl_nget(dvp->v_mount, dvp, nfhp, &cn, td,
 			&np, LK_EXCLUSIVE);
 		    if (error)
 			return (error);
 		    newvp = NFSTOV(np);
 		    /*
 		     * If n_localmodtime >= time before RPC, then
 		     * a file modification operation, such as
 		     * VOP_SETATTR() of size, has occurred while
 		     * the Lookup RPC and acquisition of the vnode
 		     * happened.  As such, the attributes might
 		     * be stale, with possibly an incorrect size.
 		     */
 		    NFSLOCKNODE(np);
 		    if (timespecisset(&np->n_localmodtime) &&
 			timespeccmp(&np->n_localmodtime, &ts, >=)) {
 			NFSCL_DEBUG(4, "nfs_lookitup: localmod "
 			    "stale attributes\n");
 			attrflag = 0;
 		    }
 		    NFSUNLOCKNODE(np);
 		}
 		if (!attrflag && *npp == NULL) {
 			if (newvp == dvp)
 				vrele(newvp);
 			else
 				vput(newvp);
 			return (ENOENT);
 		}
 		if (attrflag)
 			(void) nfscl_loadattrcache(&newvp, &nfsva, NULL, 0, 1);
 	}
 	if (npp && *npp == NULL) {
 		if (error) {
 			if (newvp) {
 				if (newvp == dvp)
 					vrele(newvp);
 				else
 					vput(newvp);
 			}
 		} else
 			*npp = np;
 	}
 	if (error && NFS_ISV4(dvp))
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * Nfs Version 3 and 4 commit rpc
  */
 int
 ncl_commit(struct vnode *vp, u_quad_t offset, int cnt, struct ucred *cred,
    struct thread *td)
 {
 	struct nfsvattr nfsva;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	struct nfsnode *np;
 	struct uio uio;
 	int error, attrflag;
 
 	np = VTONFS(vp);
 	error = EIO;
 	attrflag = 0;
 	if (NFSHASPNFS(nmp) && (np->n_flag & NDSCOMMIT) != 0) {
 		uio.uio_offset = offset;
 		uio.uio_resid = cnt;
 		error = nfscl_doiods(vp, &uio, NULL, NULL,
 		    NFSV4OPEN_ACCESSWRITE, 1, cred, td);
 		if (error != 0) {
 			NFSLOCKNODE(np);
 			np->n_flag &= ~NDSCOMMIT;
 			NFSUNLOCKNODE(np);
 		}
 	}
 	if (error != 0) {
 		mtx_lock(&nmp->nm_mtx);
 		if ((nmp->nm_state & NFSSTA_HASWRITEVERF) == 0) {
 			mtx_unlock(&nmp->nm_mtx);
 			return (0);
 		}
 		mtx_unlock(&nmp->nm_mtx);
 		error = nfsrpc_commit(vp, offset, cnt, cred, td, &nfsva,
 		    &attrflag);
 	}
 	if (attrflag != 0)
 		(void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 	if (error != 0 && NFS_ISV4(vp))
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * Strategy routine.
  * For async requests when nfsiod(s) are running, queue the request by
  * calling ncl_asyncio(), otherwise just all ncl_doio() to do the
  * request.
  */
 static int
 nfs_strategy(struct vop_strategy_args *ap)
 {
 	struct buf *bp;
 	struct vnode *vp;
 	struct ucred *cr;
 
 	bp = ap->a_bp;
 	vp = ap->a_vp;
 	KASSERT(bp->b_vp == vp, ("missing b_getvp"));
 	KASSERT(!(bp->b_flags & B_DONE),
 	    ("nfs_strategy: buffer %p unexpectedly marked B_DONE", bp));
 
 	if (vp->v_type == VREG && bp->b_blkno == bp->b_lblkno)
 		bp->b_blkno = bp->b_lblkno * (vp->v_bufobj.bo_bsize /
 		    DEV_BSIZE);
 	if (bp->b_iocmd == BIO_READ)
 		cr = bp->b_rcred;
 	else
 		cr = bp->b_wcred;
 
 	/*
 	 * If the op is asynchronous and an i/o daemon is waiting
 	 * queue the request, wake it up and wait for completion
 	 * otherwise just do it ourselves.
 	 */
 	if ((bp->b_flags & B_ASYNC) == 0 ||
 	    ncl_asyncio(VFSTONFS(vp->v_mount), bp, NOCRED, curthread))
 		(void) ncl_doio(vp, bp, cr, curthread, 1);
 	return (0);
 }
 
 /*
  * fsync vnode op. Just call ncl_flush() with commit == 1.
  */
 /* ARGSUSED */
 static int
 nfs_fsync(struct vop_fsync_args *ap)
 {
 
 	if (ap->a_vp->v_type != VREG) {
 		/*
 		 * For NFS, metadata is changed synchronously on the server,
 		 * so there is nothing to flush. Also, ncl_flush() clears
 		 * the NMODIFIED flag and that shouldn't be done here for
 		 * directories.
 		 */
 		return (0);
 	}
 	return (ncl_flush(ap->a_vp, ap->a_waitfor, ap->a_td, 1, 0));
 }
 
 /*
  * Flush all the blocks associated with a vnode.
  * 	Walk through the buffer pool and push any dirty pages
  *	associated with the vnode.
  * If the called_from_renewthread argument is TRUE, it has been called
  * from the NFSv4 renew thread and, as such, cannot block indefinitely
  * waiting for a buffer write to complete.
  */
 int
 ncl_flush(struct vnode *vp, int waitfor, struct thread *td,
     int commit, int called_from_renewthread)
 {
 	struct nfsnode *np = VTONFS(vp);
 	struct buf *bp;
 	int i;
 	struct buf *nbp;
 	struct nfsmount *nmp = VFSTONFS(vp->v_mount);
 	int error = 0, slptimeo = 0, slpflag = 0, retv, bvecpos;
 	int passone = 1, trycnt = 0;
 	u_quad_t off, endoff, toff;
 	struct ucred* wcred = NULL;
 	struct buf **bvec = NULL;
 	struct bufobj *bo;
 #ifndef NFS_COMMITBVECSIZ
 #define	NFS_COMMITBVECSIZ	20
 #endif
 	struct buf *bvec_on_stack[NFS_COMMITBVECSIZ];
 	u_int bvecsize = 0, bveccount;
 	struct timespec ts;
 
 	if (called_from_renewthread != 0)
 		slptimeo = hz;
 	if (nmp->nm_flag & NFSMNT_INT)
 		slpflag = PCATCH;
 	if (!commit)
 		passone = 0;
 	bo = &vp->v_bufobj;
 	/*
 	 * A b_flags == (B_DELWRI | B_NEEDCOMMIT) block has been written to the
 	 * server, but has not been committed to stable storage on the server
 	 * yet. On the first pass, the byte range is worked out and the commit
 	 * rpc is done. On the second pass, bwrite() is called to do the
 	 * job.
 	 */
 again:
 	off = (u_quad_t)-1;
 	endoff = 0;
 	bvecpos = 0;
 	if (NFS_ISV34(vp) && commit) {
 		if (bvec != NULL && bvec != bvec_on_stack)
 			free(bvec, M_TEMP);
 		/*
 		 * Count up how many buffers waiting for a commit.
 		 */
 		bveccount = 0;
 		BO_LOCK(bo);
 		TAILQ_FOREACH_SAFE(bp, &bo->bo_dirty.bv_hd, b_bobufs, nbp) {
 			if (!BUF_ISLOCKED(bp) &&
 			    (bp->b_flags & (B_DELWRI | B_NEEDCOMMIT))
 				== (B_DELWRI | B_NEEDCOMMIT))
 				bveccount++;
 		}
 		/*
 		 * Allocate space to remember the list of bufs to commit.  It is
 		 * important to use M_NOWAIT here to avoid a race with nfs_write.
 		 * If we can't get memory (for whatever reason), we will end up
 		 * committing the buffers one-by-one in the loop below.
 		 */
 		if (bveccount > NFS_COMMITBVECSIZ) {
 			/*
 			 * Release the vnode interlock to avoid a lock
 			 * order reversal.
 			 */
 			BO_UNLOCK(bo);
 			bvec = (struct buf **)
 				malloc(bveccount * sizeof(struct buf *),
 				       M_TEMP, M_NOWAIT);
 			BO_LOCK(bo);
 			if (bvec == NULL) {
 				bvec = bvec_on_stack;
 				bvecsize = NFS_COMMITBVECSIZ;
 			} else
 				bvecsize = bveccount;
 		} else {
 			bvec = bvec_on_stack;
 			bvecsize = NFS_COMMITBVECSIZ;
 		}
 		TAILQ_FOREACH_SAFE(bp, &bo->bo_dirty.bv_hd, b_bobufs, nbp) {
 			if (bvecpos >= bvecsize)
 				break;
 			if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_NOWAIT, NULL)) {
 				nbp = TAILQ_NEXT(bp, b_bobufs);
 				continue;
 			}
 			if ((bp->b_flags & (B_DELWRI | B_NEEDCOMMIT)) !=
 			    (B_DELWRI | B_NEEDCOMMIT)) {
 				BUF_UNLOCK(bp);
 				nbp = TAILQ_NEXT(bp, b_bobufs);
 				continue;
 			}
 			BO_UNLOCK(bo);
 			bremfree(bp);
 			/*
 			 * Work out if all buffers are using the same cred
 			 * so we can deal with them all with one commit.
 			 *
 			 * NOTE: we are not clearing B_DONE here, so we have
 			 * to do it later on in this routine if we intend to
 			 * initiate I/O on the bp.
 			 *
 			 * Note: to avoid loopback deadlocks, we do not
 			 * assign b_runningbufspace.
 			 */
 			if (wcred == NULL)
 				wcred = bp->b_wcred;
 			else if (wcred != bp->b_wcred)
 				wcred = NOCRED;
 			vfs_busy_pages(bp, 0);
 
 			BO_LOCK(bo);
 			/*
 			 * bp is protected by being locked, but nbp is not
 			 * and vfs_busy_pages() may sleep.  We have to
 			 * recalculate nbp.
 			 */
 			nbp = TAILQ_NEXT(bp, b_bobufs);
 
 			/*
 			 * A list of these buffers is kept so that the
 			 * second loop knows which buffers have actually
 			 * been committed. This is necessary, since there
 			 * may be a race between the commit rpc and new
 			 * uncommitted writes on the file.
 			 */
 			bvec[bvecpos++] = bp;
 			toff = ((u_quad_t)bp->b_blkno) * DEV_BSIZE +
 				bp->b_dirtyoff;
 			if (toff < off)
 				off = toff;
 			toff += (u_quad_t)(bp->b_dirtyend - bp->b_dirtyoff);
 			if (toff > endoff)
 				endoff = toff;
 		}
 		BO_UNLOCK(bo);
 	}
 	if (bvecpos > 0) {
 		/*
 		 * Commit data on the server, as required.
 		 * If all bufs are using the same wcred, then use that with
 		 * one call for all of them, otherwise commit each one
 		 * separately.
 		 */
 		if (wcred != NOCRED)
 			retv = ncl_commit(vp, off, (int)(endoff - off),
 					  wcred, td);
 		else {
 			retv = 0;
 			for (i = 0; i < bvecpos; i++) {
 				off_t off, size;
 				bp = bvec[i];
 				off = ((u_quad_t)bp->b_blkno) * DEV_BSIZE +
 					bp->b_dirtyoff;
 				size = (u_quad_t)(bp->b_dirtyend
 						  - bp->b_dirtyoff);
 				retv = ncl_commit(vp, off, (int)size,
 						  bp->b_wcred, td);
 				if (retv) break;
 			}
 		}
 
 		if (retv == NFSERR_STALEWRITEVERF)
 			ncl_clearcommit(vp->v_mount);
 
 		/*
 		 * Now, either mark the blocks I/O done or mark the
 		 * blocks dirty, depending on whether the commit
 		 * succeeded.
 		 */
 		for (i = 0; i < bvecpos; i++) {
 			bp = bvec[i];
 			bp->b_flags &= ~(B_NEEDCOMMIT | B_CLUSTEROK);
 			if (!NFSCL_FORCEDISM(vp->v_mount) && retv) {
 				/*
 				 * Error, leave B_DELWRI intact
 				 */
 				vfs_unbusy_pages(bp);
 				brelse(bp);
 			} else {
 				/*
 				 * Success, remove B_DELWRI ( bundirty() ).
 				 *
 				 * b_dirtyoff/b_dirtyend seem to be NFS
 				 * specific.  We should probably move that
 				 * into bundirty(). XXX
 				 */
 				bufobj_wref(bo);
 				bp->b_flags |= B_ASYNC;
 				bundirty(bp);
 				bp->b_flags &= ~B_DONE;
 				bp->b_ioflags &= ~BIO_ERROR;
 				bp->b_dirtyoff = bp->b_dirtyend = 0;
 				bufdone(bp);
 			}
 		}
 	}
 
 	/*
 	 * Start/do any write(s) that are required.
 	 */
 loop:
 	BO_LOCK(bo);
 	TAILQ_FOREACH_SAFE(bp, &bo->bo_dirty.bv_hd, b_bobufs, nbp) {
 		if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_NOWAIT, NULL)) {
 			if (waitfor != MNT_WAIT || passone)
 				continue;
 
 			error = BUF_TIMELOCK(bp,
 			    LK_EXCLUSIVE | LK_SLEEPFAIL | LK_INTERLOCK,
 			    BO_LOCKPTR(bo), "nfsfsync", slpflag, slptimeo);
 			if (error == 0) {
 				BUF_UNLOCK(bp);
 				goto loop;
 			}
 			if (error == ENOLCK) {
 				error = 0;
 				goto loop;
 			}
 			if (called_from_renewthread != 0) {
 				/*
 				 * Return EIO so the flush will be retried
 				 * later.
 				 */
 				error = EIO;
 				goto done;
 			}
 			if (newnfs_sigintr(nmp, td)) {
 				error = EINTR;
 				goto done;
 			}
 			if (slpflag == PCATCH) {
 				slpflag = 0;
 				slptimeo = 2 * hz;
 			}
 			goto loop;
 		}
 		if ((bp->b_flags & B_DELWRI) == 0)
 			panic("nfs_fsync: not dirty");
 		if ((passone || !commit) && (bp->b_flags & B_NEEDCOMMIT)) {
 			BUF_UNLOCK(bp);
 			continue;
 		}
 		BO_UNLOCK(bo);
 		bremfree(bp);
 		bp->b_flags |= B_ASYNC;
 		bwrite(bp);
 		if (newnfs_sigintr(nmp, td)) {
 			error = EINTR;
 			goto done;
 		}
 		goto loop;
 	}
 	if (passone) {
 		passone = 0;
 		BO_UNLOCK(bo);
 		goto again;
 	}
 	if (waitfor == MNT_WAIT) {
 		while (bo->bo_numoutput) {
 			error = bufobj_wwait(bo, slpflag, slptimeo);
 			if (error) {
 			    BO_UNLOCK(bo);
 			    if (called_from_renewthread != 0) {
 				/*
 				 * Return EIO so that the flush will be
 				 * retried later.
 				 */
 				error = EIO;
 				goto done;
 			    }
 			    error = newnfs_sigintr(nmp, td);
 			    if (error)
 				goto done;
 			    if (slpflag == PCATCH) {
 				slpflag = 0;
 				slptimeo = 2 * hz;
 			    }
 			    BO_LOCK(bo);
 			}
 		}
 		if (bo->bo_dirty.bv_cnt != 0 && commit) {
 			BO_UNLOCK(bo);
 			goto loop;
 		}
 		/*
 		 * Wait for all the async IO requests to drain
 		 */
 		BO_UNLOCK(bo);
 	} else
 		BO_UNLOCK(bo);
 	if (NFSHASPNFS(nmp)) {
 		nfscl_layoutcommit(vp, td);
 		/*
 		 * Invalidate the attribute cache, since writes to a DS
 		 * won't update the size attribute.
 		 */
 		NFSLOCKNODE(np);
 		np->n_attrstamp = 0;
 	} else
 		NFSLOCKNODE(np);
 	if (np->n_flag & NWRITEERR) {
 		error = np->n_error;
 		np->n_flag &= ~NWRITEERR;
 	}
   	if (commit && bo->bo_dirty.bv_cnt == 0 &&
 	    bo->bo_numoutput == 0)
   		np->n_flag &= ~NMODIFIED;
 	NFSUNLOCKNODE(np);
 done:
 	if (bvec != NULL && bvec != bvec_on_stack)
 		free(bvec, M_TEMP);
 	if (error == 0 && commit != 0 && waitfor == MNT_WAIT &&
 	    (bo->bo_dirty.bv_cnt != 0 || bo->bo_numoutput != 0)) {
 		if (trycnt++ < 5) {
 			/* try, try again... */
 			passone = 1;
 			wcred = NULL;
 			bvec = NULL;
 			bvecsize = 0;
 			goto again;
 		}
 		vn_printf(vp, "ncl_flush failed");
 		error = called_from_renewthread != 0 ? EIO : EBUSY;
 	}
 	if (error == 0) {
 		nanouptime(&ts);
 		NFSLOCKNODE(np);
 		np->n_localmodtime = ts;
 		NFSUNLOCKNODE(np);
 	}
 	return (error);
 }
 
 /*
  * NFS advisory byte-level locks.
  */
 static int
 nfs_advlock(struct vop_advlock_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct ucred *cred;
 	struct nfsnode *np = VTONFS(ap->a_vp);
 	struct proc *p = (struct proc *)ap->a_id;
 	struct thread *td = curthread;	/* XXX */
 	struct vattr va;
 	int ret, error;
 	u_quad_t size;
 	struct nfsmount *nmp;
 
 	error = NFSVOPLOCK(vp, LK_EXCLUSIVE);
 	if (error != 0)
 		return (EBADF);
 	nmp = VFSTONFS(vp->v_mount);
 	if (!NFS_ISV4(vp) || (nmp->nm_flag & NFSMNT_NOLOCKD) != 0) {
 		if ((nmp->nm_flag & NFSMNT_NOLOCKD) != 0) {
 			size = np->n_size;
 			NFSVOPUNLOCK(vp);
 			error = lf_advlock(ap, &(vp->v_lockf), size);
 		} else {
 			if (nfs_advlock_p != NULL)
 				error = nfs_advlock_p(ap);
 			else {
 				NFSVOPUNLOCK(vp);
 				error = ENOLCK;
 			}
 		}
 		if (error == 0 && ap->a_op == F_SETLK) {
 			error = NFSVOPLOCK(vp, LK_SHARED);
 			if (error == 0) {
 				/* Mark that a file lock has been acquired. */
 				NFSLOCKNODE(np);
 				np->n_flag |= NHASBEENLOCKED;
 				NFSUNLOCKNODE(np);
 				NFSVOPUNLOCK(vp);
 			}
 		}
 		return (error);
 	} else if ((ap->a_flags & (F_POSIX | F_FLOCK)) != 0) {
 		if (vp->v_type != VREG) {
 			error = EINVAL;
 			goto out;
 		}
 		if ((ap->a_flags & F_POSIX) != 0)
 			cred = p->p_ucred;
 		else
 			cred = td->td_ucred;
 
 		/*
 		 * If this is unlocking a write locked region, flush and
 		 * commit them before unlocking. This is required by
 		 * RFC3530 Sec. 9.3.2.
 		 */
 		if (ap->a_op == F_UNLCK &&
 		    nfscl_checkwritelocked(vp, ap->a_fl, cred, td, ap->a_id,
 		    ap->a_flags))
 			(void) ncl_flush(vp, MNT_WAIT, td, 1, 0);
 
 		/*
 		 * Mark NFS node as might have acquired a lock.
 		 * This is separate from NHASBEENLOCKED, because it must
 		 * be done before the nfsrpc_advlock() call, which might
 		 * add a nfscllock structure to the client state.
 		 * It is used to check for the case where a nfscllock
 		 * state structure cannot exist for the file.
 		 * Only done for "oneopenown" NFSv4.1/4.2 mounts.
 		 */
 		if (NFSHASNFSV4N(nmp) && NFSHASONEOPENOWN(nmp)) {
 			NFSLOCKNODE(np);
 			np->n_flag |= NMIGHTBELOCKED;
 			NFSUNLOCKNODE(np);
 		}
 
 		/*
 		 * Loop around doing the lock op, while a blocking lock
 		 * must wait for the lock op to succeed.
 		 */
 		do {
 			ret = nfsrpc_advlock(vp, np->n_size, ap->a_op,
 			    ap->a_fl, 0, cred, td, ap->a_id, ap->a_flags);
 			if (ret == NFSERR_DENIED && (ap->a_flags & F_WAIT) &&
 			    ap->a_op == F_SETLK) {
 				NFSVOPUNLOCK(vp);
 				error = nfs_catnap(PZERO | PCATCH, ret,
 				    "ncladvl");
 				if (error)
 					return (EINTR);
 				NFSVOPLOCK(vp, LK_EXCLUSIVE | LK_RETRY);
 				if (VN_IS_DOOMED(vp)) {
 					error = EBADF;
 					goto out;
 				}
 			}
 		} while (ret == NFSERR_DENIED && (ap->a_flags & F_WAIT) &&
 		     ap->a_op == F_SETLK);
 		if (ret == NFSERR_DENIED) {
 			error = EAGAIN;
 			goto out;
 		} else if (ret == EINVAL || ret == EBADF || ret == EINTR) {
 			error = ret;
 			goto out;
 		} else if (ret != 0) {
 			error = EACCES;
 			goto out;
 		}
 
 		/*
 		 * Now, if we just got a lock, invalidate data in the buffer
 		 * cache, as required, so that the coherency conforms with
 		 * RFC3530 Sec. 9.3.2.
 		 */
 		if (ap->a_op == F_SETLK) {
 			if ((np->n_flag & NMODIFIED) == 0) {
 				np->n_attrstamp = 0;
 				KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp);
 				ret = VOP_GETATTR(vp, &va, cred);
 			}
 			if ((np->n_flag & NMODIFIED) || ret ||
 			    np->n_change != va.va_filerev) {
 				(void) ncl_vinvalbuf(vp, V_SAVE, td, 1);
 				np->n_attrstamp = 0;
 				KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp);
 				ret = VOP_GETATTR(vp, &va, cred);
 				if (!ret) {
 					np->n_mtime = va.va_mtime;
 					np->n_change = va.va_filerev;
 				}
 			}
 			/* Mark that a file lock has been acquired. */
 			NFSLOCKNODE(np);
 			np->n_flag |= NHASBEENLOCKED;
 			NFSUNLOCKNODE(np);
 		}
 	} else
 		error = EOPNOTSUPP;
 out:
 	NFSVOPUNLOCK(vp);
 	return (error);
 }
 
 /*
  * NFS advisory byte-level locks.
  */
 static int
 nfs_advlockasync(struct vop_advlockasync_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	u_quad_t size;
 	int error;
 
 	error = NFSVOPLOCK(vp, LK_SHARED);
 	if (error)
 		return (error);
 	if (NFS_ISV4(vp)) {
 		NFSVOPUNLOCK(vp);
 		return (EOPNOTSUPP);
 	}
 	if ((VFSTONFS(vp->v_mount)->nm_flag & NFSMNT_NOLOCKD) != 0) {
 		size = VTONFS(vp)->n_size;
 		NFSVOPUNLOCK(vp);
 		error = lf_advlockasync(ap, &(vp->v_lockf), size);
 	} else {
 		NFSVOPUNLOCK(vp);
 		error = EOPNOTSUPP;
 	}
 	return (error);
 }
 
 /*
  * Print out the contents of an nfsnode.
  */
 static int
 nfs_print(struct vop_print_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsnode *np = VTONFS(vp);
 
 	printf("\tfileid %jd fsid 0x%jx", (uintmax_t)np->n_vattr.na_fileid,
 	    (uintmax_t)np->n_vattr.na_fsid);
 	if (vp->v_type == VFIFO)
 		fifo_printinfo(vp);
 	printf("\n");
 	return (0);
 }
 
 /*
  * nfs special file access vnode op.
  * Essentially just get vattr and then imitate iaccess() since the device is
  * local to the client.
  */
 static int
 nfsspec_access(struct vop_access_args *ap)
 {
 	struct vattr *vap;
 	struct ucred *cred = ap->a_cred;
 	struct vnode *vp = ap->a_vp;
 	accmode_t accmode = ap->a_accmode;
 	struct vattr vattr;
 	int error;
 
 	/*
 	 * Disallow write attempts on filesystems mounted read-only;
 	 * unless the file is a socket, fifo, or a block or character
 	 * device resident on the filesystem.
 	 */
 	if ((accmode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
 		switch (vp->v_type) {
 		case VREG:
 		case VDIR:
 		case VLNK:
 			return (EROFS);
 		default:
 			break;
 		}
 	}
 	vap = &vattr;
 	error = VOP_GETATTR(vp, vap, cred);
 	if (error)
 		goto out;
 	error = vaccess(vp->v_type, vap->va_mode, vap->va_uid, vap->va_gid,
 	    accmode, cred);
 out:
 	return error;
 }
 
 /*
  * Read wrapper for fifos.
  */
 static int
 nfsfifo_read(struct vop_read_args *ap)
 {
 	struct nfsnode *np = VTONFS(ap->a_vp);
 	int error;
 
 	/*
 	 * Set access flag.
 	 */
 	NFSLOCKNODE(np);
 	np->n_flag |= NACC;
 	vfs_timestamp(&np->n_atim);
 	NFSUNLOCKNODE(np);
 	error = fifo_specops.vop_read(ap);
 	return error;	
 }
 
 /*
  * Write wrapper for fifos.
  */
 static int
 nfsfifo_write(struct vop_write_args *ap)
 {
 	struct nfsnode *np = VTONFS(ap->a_vp);
 
 	/*
 	 * Set update flag.
 	 */
 	NFSLOCKNODE(np);
 	np->n_flag |= NUPD;
 	vfs_timestamp(&np->n_mtim);
 	NFSUNLOCKNODE(np);
 	return(fifo_specops.vop_write(ap));
 }
 
 /*
  * Close wrapper for fifos.
  *
  * Update the times on the nfsnode then do fifo close.
  */
 static int
 nfsfifo_close(struct vop_close_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsnode *np = VTONFS(vp);
 	struct vattr vattr;
 	struct timespec ts;
 
 	NFSLOCKNODE(np);
 	if (np->n_flag & (NACC | NUPD)) {
 		vfs_timestamp(&ts);
 		if (np->n_flag & NACC)
 			np->n_atim = ts;
 		if (np->n_flag & NUPD)
 			np->n_mtim = ts;
 		np->n_flag |= NCHG;
 		if (vrefcnt(vp) == 1 &&
 		    (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
 			VATTR_NULL(&vattr);
 			if (np->n_flag & NACC)
 				vattr.va_atime = np->n_atim;
 			if (np->n_flag & NUPD)
 				vattr.va_mtime = np->n_mtim;
 			NFSUNLOCKNODE(np);
 			(void)VOP_SETATTR(vp, &vattr, ap->a_cred);
 			goto out;
 		}
 	}
 	NFSUNLOCKNODE(np);
 out:
 	return (fifo_specops.vop_close(ap));
 }
 
 static int
 nfs_getacl(struct vop_getacl_args *ap)
 {
 	int error;
 
 	if (ap->a_type != ACL_TYPE_NFS4)
 		return (EOPNOTSUPP);
 	error = nfsrpc_getacl(ap->a_vp, ap->a_cred, ap->a_td, ap->a_aclp);
 	if (error > NFSERR_STALE) {
 		(void) nfscl_maperr(ap->a_td, error, (uid_t)0, (gid_t)0);
 		error = EPERM;
 	}
 	return (error);
 }
 
 static int
 nfs_setacl(struct vop_setacl_args *ap)
 {
 	int error;
 
 	if (ap->a_type != ACL_TYPE_NFS4)
 		return (EOPNOTSUPP);
 	error = nfsrpc_setacl(ap->a_vp, ap->a_cred, ap->a_td, ap->a_aclp);
 	if (error > NFSERR_STALE) {
 		(void) nfscl_maperr(ap->a_td, error, (uid_t)0, (gid_t)0);
 		error = EPERM;
 	}
 	return (error);
 }
 
 /*
  * VOP_ADVISE for NFS.
  * Just return 0 for any errors, since it is just a hint.
  */
 static int
 nfs_advise(struct vop_advise_args *ap)
 {
 	struct thread *td = curthread;
 	struct nfsmount *nmp;
 	uint64_t len;
 	int error;
 
 	/*
 	 * First do vop_stdadvise() to handle the buffer cache.
 	 */
 	error = vop_stdadvise(ap);
 	if (error != 0)
 		return (error);
 	if (ap->a_start < 0 || ap->a_end < 0)
 		return (0);
 	if (ap->a_end == OFF_MAX)
 		len = 0;
 	else if (ap->a_end < ap->a_start)
 		return (0);
 	else
 		len = ap->a_end - ap->a_start + 1;
 	nmp = VFSTONFS(ap->a_vp->v_mount);
 	mtx_lock(&nmp->nm_mtx);
 	if (!NFSHASNFSV4(nmp) || nmp->nm_minorvers < NFSV42_MINORVERSION ||
 	    (NFSHASPNFS(nmp) && (nmp->nm_privflag & NFSMNTP_IOADVISETHRUMDS) ==
 	    0) || (nmp->nm_privflag & NFSMNTP_NOADVISE) != 0) {
 		mtx_unlock(&nmp->nm_mtx);
 		return (0);
 	}
 	mtx_unlock(&nmp->nm_mtx);
 	error = nfsrpc_advise(ap->a_vp, ap->a_start, len, ap->a_advice,
 	    td->td_ucred, td);
 	if (error == NFSERR_NOTSUPP) {
 		mtx_lock(&nmp->nm_mtx);
 		nmp->nm_privflag |= NFSMNTP_NOADVISE;
 		mtx_unlock(&nmp->nm_mtx);
 	}
 	return (0);
 }
 
 /*
  * nfs allocate call
  */
 static int
 nfs_allocate(struct vop_allocate_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct thread *td = curthread;
 	struct nfsvattr nfsva;
 	struct nfsmount *nmp;
 	struct nfsnode *np;
 	off_t alen;
 	int attrflag, error, ret;
 	struct timespec ts;
 	struct uio io;
 
 	attrflag = 0;
 	nmp = VFSTONFS(vp->v_mount);
 	np = VTONFS(vp);
 	mtx_lock(&nmp->nm_mtx);
 	if (NFSHASNFSV4(nmp) && nmp->nm_minorvers >= NFSV42_MINORVERSION &&
 	    (nmp->nm_privflag & NFSMNTP_NOALLOCATE) == 0) {
 		mtx_unlock(&nmp->nm_mtx);
 		alen = *ap->a_len;
 		if ((uint64_t)alen > nfs_maxalloclen)
 			alen = nfs_maxalloclen;
 
 		/* Check the file size limit. */
 		io.uio_offset = *ap->a_offset;
 		io.uio_resid = alen;
 		error = vn_rlimit_fsize(vp, &io, td);
 
 		/*
 		 * Flush first to ensure that the allocate adds to the
 		 * file's allocation on the server.
 		 */
 		if (error == 0) {
 			vnode_pager_clean_sync(vp);
 			error = ncl_flush(vp, MNT_WAIT, td, 1, 0);
 		}
 		if (error == 0)
 			error = nfsrpc_allocate(vp, *ap->a_offset, alen,
 			    &nfsva, &attrflag, ap->a_cred, td);
 		if (error == 0) {
 			*ap->a_offset += alen;
 			*ap->a_len -= alen;
 			nanouptime(&ts);
 			NFSLOCKNODE(np);
 			np->n_localmodtime = ts;
 			NFSUNLOCKNODE(np);
 		} else if (error == NFSERR_NOTSUPP) {
 			mtx_lock(&nmp->nm_mtx);
 			nmp->nm_privflag |= NFSMNTP_NOALLOCATE;
 			mtx_unlock(&nmp->nm_mtx);
 			error = EINVAL;
 		}
 	} else {
 		mtx_unlock(&nmp->nm_mtx);
 		error = EINVAL;
 	}
 	if (attrflag != 0) {
 		ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (error == 0 && ret != 0)
 			error = ret;
 	}
 	if (error != 0)
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * nfs deallocate call
  */
 static int
 nfs_deallocate(struct vop_deallocate_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct thread *td = curthread;
 	struct nfsvattr nfsva;
 	struct nfsmount *nmp;
 	struct nfsnode *np;
 	off_t tlen, mlen;
 	int attrflag, error, ret;
 	bool clipped;
 	struct timespec ts;
 
 	error = 0;
 	attrflag = 0;
 	nmp = VFSTONFS(vp->v_mount);
 	np = VTONFS(vp);
 	mtx_lock(&nmp->nm_mtx);
 	if (NFSHASNFSV4(nmp) && nmp->nm_minorvers >= NFSV42_MINORVERSION &&
 	    (nmp->nm_privflag & NFSMNTP_NODEALLOCATE) == 0) {
 		mtx_unlock(&nmp->nm_mtx);
 		tlen = omin(OFF_MAX - *ap->a_offset, *ap->a_len);
 		NFSCL_DEBUG(4, "dealloc: off=%jd len=%jd maxfilesize=%ju\n",
 		    (intmax_t)*ap->a_offset, (intmax_t)tlen,
 		    (uintmax_t)nmp->nm_maxfilesize);
 		if ((uint64_t)*ap->a_offset >= nmp->nm_maxfilesize) {
 			/* Avoid EFBIG error return from the NFSv4.2 server. */
 			*ap->a_len = 0;
 			return (0);
 		}
 		clipped = false;
 		if ((uint64_t)*ap->a_offset + tlen > nmp->nm_maxfilesize)
 			tlen = nmp->nm_maxfilesize - *ap->a_offset;
 		if ((uint64_t)*ap->a_offset < np->n_size) {
 			/* Limit the len to nfs_maxalloclen before EOF. */
 			mlen = omin((off_t)np->n_size - *ap->a_offset, tlen);
 			if ((uint64_t)mlen > nfs_maxalloclen) {
 				NFSCL_DEBUG(4, "dealloc: tlen maxalloclen\n");
 				tlen = nfs_maxalloclen;
 				clipped = true;
 			}
 		}
 		if (error == 0)
 			error = ncl_vinvalbuf(vp, V_SAVE, td, 1);
 		if (error == 0) {
 			vnode_pager_purge_range(vp, *ap->a_offset,
 			    *ap->a_offset + tlen);
 			error = nfsrpc_deallocate(vp, *ap->a_offset, tlen,
 			    &nfsva, &attrflag, ap->a_cred, td);
 			NFSCL_DEBUG(4, "dealloc: rpc=%d\n", error);
 		}
 		if (error == 0) {
 			NFSCL_DEBUG(4, "dealloc: attrflag=%d na_size=%ju\n",
 			    attrflag, (uintmax_t)nfsva.na_size);
 			nanouptime(&ts);
 			NFSLOCKNODE(np);
 			np->n_localmodtime = ts;
 			NFSUNLOCKNODE(np);
 			if (attrflag != 0) {
 				if ((uint64_t)*ap->a_offset < nfsva.na_size)
 					*ap->a_offset += omin((off_t)
 					    nfsva.na_size - *ap->a_offset,
 					    tlen);
 			}
 			if (clipped && tlen < *ap->a_len)
 				*ap->a_len -= tlen;
 			else
 				*ap->a_len = 0;
 		} else if (error == NFSERR_NOTSUPP) {
 			mtx_lock(&nmp->nm_mtx);
 			nmp->nm_privflag |= NFSMNTP_NODEALLOCATE;
 			mtx_unlock(&nmp->nm_mtx);
 		}
 	} else {
 		mtx_unlock(&nmp->nm_mtx);
 		error = EIO;
 	}
 	/*
 	 * If the NFS server cannot perform the Deallocate operation, just call
 	 * vop_stddeallocate() to perform it.
 	 */
 	if (error != 0 && error != NFSERR_FBIG && error != NFSERR_INVAL) {
 		error = vop_stddeallocate(ap);
 		NFSCL_DEBUG(4, "dealloc: stddeallocate=%d\n", error);
 	}
 	if (attrflag != 0) {
 		ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (error == 0 && ret != 0)
 			error = ret;
 	}
 	if (error != 0)
 		error = nfscl_maperr(td, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * nfs copy_file_range call
  */
 static int
 nfs_copy_file_range(struct vop_copy_file_range_args *ap)
 {
 	struct vnode *invp = ap->a_invp;
 	struct vnode *outvp = ap->a_outvp;
 	struct mount *mp;
 	vm_object_t invp_obj;
 	struct nfsvattr innfsva, outnfsva;
 	struct vattr va, *vap;
 	struct uio io;
 	struct nfsmount *nmp;
 	struct nfsnode *np;
 	size_t len, len2;
 	ssize_t r;
 	int error, inattrflag, outattrflag, ret, ret2, invp_lock;
 	off_t inoff, outoff;
 	bool consecutive, must_commit, onevp, toeof, tryclone, tryoutcred;
 	bool mustclone;
 
 	/*
 	 * NFSv4.2 Copy is not permitted for infile == outfile.
 	 * The NFSv4.2 Clone operation does work on non-overlapping
 	 * byte ranges in the same file, but only if offsets
 	 * (and len if not to EOF) are aligned properly.
 	 * TODO: copy_file_range() between multiple NFS mountpoints
 	 * --> This is not possible now, since each mount appears to
 	 *     the NFSv4.n server as a separate client.
 	 */
 	if ((invp == outvp && (ap->a_flags & COPY_FILE_RANGE_CLONE) == 0) ||
 	    (invp != outvp && invp->v_mount != outvp->v_mount)) {
 generic_copy:
 		return (ENOSYS);
 	}
 	if (invp == outvp) {
 		onevp = true;
 		invp_lock = LK_EXCLUSIVE;
 	} else {
 		onevp = false;
 		invp_lock = LK_SHARED;
 	}
 	mustclone = false;
 	if (onevp || (ap->a_flags & COPY_FILE_RANGE_CLONE) != 0)
 		mustclone = true;
 relock:
 	inoff = *ap->a_inoffp;
 	outoff = *ap->a_outoffp;
 
 	/* Lock vnode(s), avoiding risk of deadlock. */
 	do {
 		mp = NULL;
 		error = vn_start_write(outvp, &mp, V_WAIT);
 		if (error == 0) {
 			error = vn_lock(outvp, LK_EXCLUSIVE);
 			if (error == 0) {
 				if (onevp)
 					break;
 				error = vn_lock(invp, invp_lock | LK_NOWAIT);
 				if (error == 0)
 					break;
 				VOP_UNLOCK(outvp);
 				if (mp != NULL)
 					vn_finished_write(mp);
 				mp = NULL;
 				error = vn_lock(invp, invp_lock);
 				if (error == 0)
 					VOP_UNLOCK(invp);
 			}
 		}
 		if (mp != NULL)
 			vn_finished_write(mp);
 	} while (error == 0);
 	if (error != 0)
 		return (error);
 
 	/*
 	 * More reasons to avoid nfs copy/clone: not NFSv4.2, explicitly
 	 * disabled or requires cloning and unable to clone.
 	 * Only clone if the clone_blksize attribute is supported
 	 * and the clone_blksize is greater than 0.
 	 * Alignment of offsets and length will be checked later.
 	 */
 	nmp = VFSTONFS(invp->v_mount);
 	np = VTONFS(invp);
 	mtx_lock(&nmp->nm_mtx);
 	if ((nmp->nm_privflag & NFSMNTP_NOCOPY) != 0)
 		mustclone = true;
 	if (!NFSHASNFSV4(nmp) || nmp->nm_minorvers < NFSV42_MINORVERSION ||
 	    (mustclone && (!NFSISSET_ATTRBIT(&np->n_vattr.na_suppattr,
 	     NFSATTRBIT_CLONEBLKSIZE) || nmp->nm_cloneblksize == 0))) {
 		mtx_unlock(&nmp->nm_mtx);
 		VOP_UNLOCK(invp);
 		if (!onevp)
 			VOP_UNLOCK(outvp);	/* For onevp, same as invp. */
 		if (mp != NULL)
 			vn_finished_write(mp);
 		goto generic_copy;
 	}
 	mtx_unlock(&nmp->nm_mtx);
 
 	/*
 	 * Do the vn_rlimit_fsize() check.  Should this be above the VOP layer?
 	 */
 	io.uio_offset = *ap->a_outoffp;
 	io.uio_resid = *ap->a_lenp;
 	error = vn_rlimit_fsizex(outvp, &io, 0, &r, ap->a_fsizetd);
 	*ap->a_lenp = io.uio_resid;
 	/*
 	 * No need to call vn_rlimit_fsizex_res before return, since the uio is
 	 * local.
 	 */
 
 	/*
 	 * Flush the input file so that the data is up to date before
 	 * the copy.  Flush writes for the output file so that they
 	 * do not overwrite the data copied to the output file by the Copy.
 	 * Set the commit argument for both flushes so that the data is on
 	 * stable storage before the Copy RPC.  This is done in case the
 	 * server reboots during the Copy and needs to be redone.
 	 */
 	if (error == 0) {
 		invp_obj = invp->v_object;
 		if (invp_obj != NULL && vm_object_mightbedirty(invp_obj)) {
 			if (invp_lock != LK_EXCLUSIVE) {
 				KASSERT(!onevp, ("nfs_copy_file_range: "
 				    "invp_lock LK_SHARED for onevp"));
 				invp_lock = LK_EXCLUSIVE;
 				VOP_UNLOCK(invp);
 				VOP_UNLOCK(outvp);
 				if (mp != NULL)
 					vn_finished_write(mp);
 				goto relock;
 			}
 			vnode_pager_clean_sync(invp);
 		}
 		error = ncl_flush(invp, MNT_WAIT, curthread, 1, 0);
 	}
 	if (error == 0)
 		error = ncl_vinvalbuf(outvp, V_SAVE, curthread, 0);
 
 	/* Do the actual NFSv4.2 RPC. */
 	ret = ret2 = 0;
 	len = *ap->a_lenp;
 	mtx_lock(&nmp->nm_mtx);
 	if ((nmp->nm_privflag & NFSMNTP_NOCONSECUTIVE) == 0)
 		consecutive = true;
 	else
 		consecutive = false;
 	mtx_unlock(&nmp->nm_mtx);
 	tryoutcred = true;
 	must_commit = false;
 	toeof = false;
 
 	if (error == 0) {
 		vap = &VTONFS(invp)->n_vattr.na_vattr;
 		error = VOP_GETATTR(invp, vap, ap->a_incred);
 		if (error == 0) {
 			/*
 			 * Clip "len" at va_size so that RFC compliant servers
 			 * will not reply NFSERR_INVAL.
 			 * Setting "len == 0" for the RPC would be preferred,
 			 * but some Linux servers do not support that.
 			 * If the len is being set to 0, do a Setattr RPC to
 			 * set the server's atime.  This behaviour was the
 			 * preferred one for the FreeBSD "collective".
 			 */
 			if (inoff >= vap->va_size) {
 				*ap->a_lenp = len = 0;
 				if ((nmp->nm_mountp->mnt_flag & MNT_NOATIME) ==
 				    0) {
 					VATTR_NULL(&va);
 					va.va_atime.tv_sec = 0;
 					va.va_atime.tv_nsec = 0;
 					va.va_vaflags = VA_UTIMES_NULL;
 					inattrflag = 0;
 					error = nfsrpc_setattr(invp, &va, NULL,
 					    ap->a_incred, curthread, &innfsva,
 					    &inattrflag);
 					if (inattrflag != 0)
 						ret = nfscl_loadattrcache(&invp,
 						    &innfsva, NULL, 0, 1);
 					if (error == 0 && ret != 0)
 						error = ret;
 				}
 			} else if (inoff + len >= vap->va_size) {
 				toeof = true;
 				*ap->a_lenp = len = vap->va_size - inoff;
 			}
 		} else
 			error = 0;
 	}
 
 	/*
 	 * For cloning, the offsets must be clone blksize aligned and
 	 * the len must be blksize aligned unless it goes to EOF on
 	 * the input file.
 	 */
 	tryclone = false;
 	if (len > 0) {
 		if (error == 0 && NFSISSET_ATTRBIT(&np->n_vattr.na_suppattr,
 		    NFSATTRBIT_CLONEBLKSIZE) && nmp->nm_cloneblksize != 0 &&
 		    (inoff % nmp->nm_cloneblksize) == 0 &&
 		    (outoff % nmp->nm_cloneblksize) == 0 &&
 		    (toeof || (len % nmp->nm_cloneblksize) == 0))
 			tryclone = true;
 		else if (mustclone)
 			error = ENOSYS;
 	}
 
 	/*
 	 * len will be set to 0 upon a successful Copy RPC.
 	 * As such, this only loops when the Copy/Clone RPC needs to be retried.
 	 */
 	while (len > 0 && error == 0) {
 		inattrflag = outattrflag = 0;
 		len2 = len;
 		if (tryclone) {
 			if (tryoutcred)
 				error = nfsrpc_clone(invp, ap->a_inoffp, outvp,
 				    ap->a_outoffp, &len2, toeof, &inattrflag,
 				    &innfsva, &outattrflag, &outnfsva,
 				    ap->a_outcred);
 			else
 				error = nfsrpc_clone(invp, ap->a_inoffp, outvp,
 				    ap->a_outoffp, &len2, toeof, &inattrflag,
 				    &innfsva, &outattrflag, &outnfsva,
 				    ap->a_incred);
 		} else {
 			if (tryoutcred)
 				error = nfsrpc_copy_file_range(invp,
 				    ap->a_inoffp, outvp, ap->a_outoffp, &len2,
 				    ap->a_flags, &inattrflag, &innfsva,
 				    &outattrflag, &outnfsva,
 				    ap->a_outcred, consecutive, &must_commit);
 			else
 				error = nfsrpc_copy_file_range(invp,
 				    ap->a_inoffp, outvp, ap->a_outoffp, &len2,
 				    ap->a_flags, &inattrflag, &innfsva,
 				    &outattrflag, &outnfsva,
 				    ap->a_incred, consecutive, &must_commit);
 		}
 		if (inattrflag != 0)
 			ret = nfscl_loadattrcache(&invp, &innfsva, NULL, 0, 1);
 		if (outattrflag != 0)
 			ret2 = nfscl_loadattrcache(&outvp, &outnfsva, NULL,
 			    1, 1);
 		if (error == 0) {
 			if (consecutive == false) {
 				if (len2 == len) {
 					mtx_lock(&nmp->nm_mtx);
 					nmp->nm_privflag |=
 					    NFSMNTP_NOCONSECUTIVE;
 					mtx_unlock(&nmp->nm_mtx);
 				} else
 					error = NFSERR_OFFLOADNOREQS;
 			}
 			*ap->a_lenp = len2;
 			len = 0;
 			if (len2 > 0 && must_commit && error == 0)
 				error = ncl_commit(outvp, outoff, *ap->a_lenp,
 				    ap->a_outcred, curthread);
 			if (error == 0 && ret != 0)
 				error = ret;
 			if (error == 0 && ret2 != 0)
 				error = ret2;
 		} else if (error == NFSERR_OFFLOADNOREQS && consecutive) {
 			/*
 			 * Try consecutive == false, which is ok only if all
 			 * bytes are copied.
 			 * If only some bytes were copied when consecutive
 			 * is false, there is no way to know which bytes
 			 * still need to be written.
 			 */
 			consecutive = false;
 			error = 0;
 		} else if (error == NFSERR_ACCES && tryoutcred) {
 			/* Try again with incred. */
 			tryoutcred = false;
 			error = 0;
 		} else if (tryclone && error != 0) {
 			if (mustclone) {
 				error = ENOSYS;
 			} else {
 				tryclone = false;
 				error = 0;
 			}
 		}
 		if (error == NFSERR_STALEWRITEVERF) {
 			/*
 			 * Server rebooted, so do it all again.
 			 */
 			*ap->a_inoffp = inoff;
 			*ap->a_outoffp = outoff;
 			len = *ap->a_lenp;
 			must_commit = false;
 			error = 0;
 		}
 	}
 	VOP_UNLOCK(invp);
 	if (!onevp)
 		VOP_UNLOCK(outvp);	/* For onevp, same as invp. */
 	if (mp != NULL)
 		vn_finished_write(mp);
 	if (error == NFSERR_NOTSUPP || error == NFSERR_OFFLOADNOREQS ||
 	    error == NFSERR_ACCES || error == ENOSYS) {
 		/*
 		 * Unlike the NFSv4.2 Copy, vn_generic_copy_file_range() can
 		 * use a_incred for the read and a_outcred for the write, so
 		 * try this for NFSERR_ACCES failures for the Copy.
 		 * For NFSERR_NOTSUPP and NFSERR_OFFLOADNOREQS, the Copy can
 		 * never succeed, so disable it.
 		 */
 		if (error != NFSERR_ACCES && error != ENOSYS) {
 			/* Can never do Copy on this mount. */
 			mtx_lock(&nmp->nm_mtx);
 			nmp->nm_privflag |= NFSMNTP_NOCOPY;
 			mtx_unlock(&nmp->nm_mtx);
 		}
 		*ap->a_inoffp = inoff;
 		*ap->a_outoffp = outoff;
 		error = vn_generic_copy_file_range(ap->a_invp, ap->a_inoffp,
 		    ap->a_outvp, ap->a_outoffp, ap->a_lenp, ap->a_flags,
 		    ap->a_incred, ap->a_outcred, ap->a_fsizetd);
 	} else if (error != 0)
 		*ap->a_lenp = 0;
 
 	if (error != 0)
 		error = nfscl_maperr(curthread, error, (uid_t)0, (gid_t)0);
 	return (error);
 }
 
 /*
  * nfs ioctl call
  */
 static int
 nfs_ioctl(struct vop_ioctl_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsvattr nfsva;
 	struct nfsmount *nmp;
 	int attrflag, content, error, ret;
 	bool eof = false;			/* shut up compiler. */
 
 	/* Do the actual NFSv4.2 RPC. */
 	switch (ap->a_command) {
 	case FIOSEEKDATA:
 		content = NFSV4CONTENT_DATA;
 		break;
 	case FIOSEEKHOLE:
 		content = NFSV4CONTENT_HOLE;
 		break;
 	default:
 		return (ENOTTY);
 	}
 
 	error = vn_lock(vp, LK_EXCLUSIVE);
 	if (error != 0)
 		return (EBADF);
 
 	if (vp->v_type != VREG) {
 		VOP_UNLOCK(vp);
 		return (ENOTTY);
 	}
 	nmp = VFSTONFS(vp->v_mount);
 	if (!NFSHASNFSV4(nmp) || nmp->nm_minorvers < NFSV42_MINORVERSION) {
 		VOP_UNLOCK(vp);
 		error = vop_stdioctl(ap);
 		return (error);
 	}
 
 	attrflag = 0;
 	if (*((off_t *)ap->a_data) >= VTONFS(vp)->n_size)
 		error = ENXIO;
 	else {
 		/*
 		 * Flush all writes, so that the server is up to date.
 		 * Although a Commit is not required, the commit argument
 		 * is set so that, for a pNFS File/Flexible File Layout
 		 * server, the LayoutCommit will be done to ensure the file
 		 * size is up to date on the Metadata Server.
 		 */
 
 		vnode_pager_clean_sync(vp);
 		error = ncl_flush(vp, MNT_WAIT, ap->a_td, 1, 0);
 		if (error == 0)
 			error = nfsrpc_seek(vp, (off_t *)ap->a_data, &eof,
 			    content, ap->a_cred, &nfsva, &attrflag);
 		/* If at eof for FIOSEEKDATA, return ENXIO. */
 		if (eof && error == 0 && content == NFSV4CONTENT_DATA)
 			error = ENXIO;
 	}
 	if (attrflag != 0) {
 		ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (error == 0 && ret != 0)
 			error = ret;
 	}
 	NFSVOPUNLOCK(vp);
 
 	if (error != 0)
 		error = ENXIO;
 	return (error);
 }
 
 /*
  * nfs getextattr call
  */
 static int
 nfs_getextattr(struct vop_getextattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsmount *nmp;
 	struct ucred *cred;
 	struct thread *td = ap->a_td;
 	struct nfsvattr nfsva;
 	ssize_t len;
 	int attrflag, error, ret;
 
 	nmp = VFSTONFS(vp->v_mount);
 	mtx_lock(&nmp->nm_mtx);
 	if (!NFSHASNFSV4(nmp) || nmp->nm_minorvers < NFSV42_MINORVERSION ||
 	    (nmp->nm_privflag & NFSMNTP_NOXATTR) != 0 ||
 	    ap->a_attrnamespace != EXTATTR_NAMESPACE_USER) {
 		mtx_unlock(&nmp->nm_mtx);
 		return (EOPNOTSUPP);
 	}
 	mtx_unlock(&nmp->nm_mtx);
 
 	cred = ap->a_cred;
 	if (cred == NULL)
 		cred = td->td_ucred;
 	/* Do the actual NFSv4.2 Optional Extended Attribute (RFC-8276) RPC. */
 	attrflag = 0;
 	error = nfsrpc_getextattr(vp, ap->a_name, ap->a_uio, &len, &nfsva,
 	    &attrflag, cred, td);
 	if (attrflag != 0) {
 		ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (error == 0 && ret != 0)
 			error = ret;
 	}
 	if (error == 0 && ap->a_size != NULL)
 		*ap->a_size = len;
 
 	switch (error) {
 	case NFSERR_NOTSUPP:
 	case NFSERR_OPILLEGAL:
 		mtx_lock(&nmp->nm_mtx);
 		nmp->nm_privflag |= NFSMNTP_NOXATTR;
 		mtx_unlock(&nmp->nm_mtx);
 		error = EOPNOTSUPP;
 		break;
 	case NFSERR_NOXATTR:
 	case NFSERR_XATTR2BIG:
 		error = ENOATTR;
 		break;
 	default:
 		error = nfscl_maperr(td, error, 0, 0);
 		break;
 	}
 	return (error);
 }
 
 /*
  * nfs setextattr call
  */
 static int
 nfs_setextattr(struct vop_setextattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsmount *nmp;
 	struct ucred *cred;
 	struct thread *td = ap->a_td;
 	struct nfsvattr nfsva;
 	int attrflag, error, ret;
 
 	nmp = VFSTONFS(vp->v_mount);
 	mtx_lock(&nmp->nm_mtx);
 	if (!NFSHASNFSV4(nmp) || nmp->nm_minorvers < NFSV42_MINORVERSION ||
 	    (nmp->nm_privflag & NFSMNTP_NOXATTR) != 0 ||
 	    ap->a_attrnamespace != EXTATTR_NAMESPACE_USER) {
 		mtx_unlock(&nmp->nm_mtx);
 		return (EOPNOTSUPP);
 	}
 	mtx_unlock(&nmp->nm_mtx);
 
 	if (ap->a_uio->uio_resid < 0)
 		return (EINVAL);
 	cred = ap->a_cred;
 	if (cred == NULL)
 		cred = td->td_ucred;
 	/* Do the actual NFSv4.2 Optional Extended Attribute (RFC-8276) RPC. */
 	attrflag = 0;
 	error = nfsrpc_setextattr(vp, ap->a_name, ap->a_uio, &nfsva,
 	    &attrflag, cred, td);
 	if (attrflag != 0) {
 		ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (error == 0 && ret != 0)
 			error = ret;
 	}
 
 	switch (error) {
 	case NFSERR_NOTSUPP:
 	case NFSERR_OPILLEGAL:
 		mtx_lock(&nmp->nm_mtx);
 		nmp->nm_privflag |= NFSMNTP_NOXATTR;
 		mtx_unlock(&nmp->nm_mtx);
 		error = EOPNOTSUPP;
 		break;
 	case NFSERR_NOXATTR:
 	case NFSERR_XATTR2BIG:
 		error = ENOATTR;
 		break;
 	default:
 		error = nfscl_maperr(td, error, 0, 0);
 		break;
 	}
 	return (error);
 }
 
 /*
  * nfs listextattr call
  */
 static int
 nfs_listextattr(struct vop_listextattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsmount *nmp;
 	struct ucred *cred;
 	struct thread *td = ap->a_td;
 	struct nfsvattr nfsva;
 	size_t len, len2;
 	uint64_t cookie;
 	int attrflag, error, ret;
 	bool eof;
 
 	nmp = VFSTONFS(vp->v_mount);
 	mtx_lock(&nmp->nm_mtx);
 	if (!NFSHASNFSV4(nmp) || nmp->nm_minorvers < NFSV42_MINORVERSION ||
 	    (nmp->nm_privflag & NFSMNTP_NOXATTR) != 0 ||
 	    ap->a_attrnamespace != EXTATTR_NAMESPACE_USER) {
 		mtx_unlock(&nmp->nm_mtx);
 		return (EOPNOTSUPP);
 	}
 	mtx_unlock(&nmp->nm_mtx);
 
 	cred = ap->a_cred;
 	if (cred == NULL)
 		cred = td->td_ucred;
 
 	/* Loop around doing List Extended Attribute RPCs. */
 	eof = false;
 	cookie = 0;
 	len2 = 0;
 	error = 0;
 	while (!eof && error == 0) {
 		len = nmp->nm_rsize;
 		attrflag = 0;
 		error = nfsrpc_listextattr(vp, &cookie, ap->a_uio, &len, &eof,
 		    &nfsva, &attrflag, cred, td);
 		if (attrflag != 0) {
 			ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 			if (error == 0 && ret != 0)
 				error = ret;
 		}
 		if (error == 0) {
 			len2 += len;
 			if (len2 > SSIZE_MAX)
 				error = ENOATTR;
 		}
 	}
 	if (error == 0 && ap->a_size != NULL)
 		*ap->a_size = len2;
 
 	switch (error) {
 	case NFSERR_NOTSUPP:
 	case NFSERR_OPILLEGAL:
 		mtx_lock(&nmp->nm_mtx);
 		nmp->nm_privflag |= NFSMNTP_NOXATTR;
 		mtx_unlock(&nmp->nm_mtx);
 		error = EOPNOTSUPP;
 		break;
 	case NFSERR_NOXATTR:
 	case NFSERR_XATTR2BIG:
 		error = ENOATTR;
 		break;
 	default:
 		error = nfscl_maperr(td, error, 0, 0);
 		break;
 	}
 	return (error);
 }
 
 /*
  * nfs setextattr call
  */
 static int
 nfs_deleteextattr(struct vop_deleteextattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct nfsmount *nmp;
 	struct nfsvattr nfsva;
 	int attrflag, error, ret;
 
 	nmp = VFSTONFS(vp->v_mount);
 	mtx_lock(&nmp->nm_mtx);
 	if (!NFSHASNFSV4(nmp) || nmp->nm_minorvers < NFSV42_MINORVERSION ||
 	    (nmp->nm_privflag & NFSMNTP_NOXATTR) != 0 ||
 	    ap->a_attrnamespace != EXTATTR_NAMESPACE_USER) {
 		mtx_unlock(&nmp->nm_mtx);
 		return (EOPNOTSUPP);
 	}
 	mtx_unlock(&nmp->nm_mtx);
 
 	/* Do the actual NFSv4.2 Optional Extended Attribute (RFC-8276) RPC. */
 	attrflag = 0;
 	error = nfsrpc_rmextattr(vp, ap->a_name, &nfsva, &attrflag, ap->a_cred,
 	    ap->a_td);
 	if (attrflag != 0) {
 		ret = nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (error == 0 && ret != 0)
 			error = ret;
 	}
 
 	switch (error) {
 	case NFSERR_NOTSUPP:
 	case NFSERR_OPILLEGAL:
 		mtx_lock(&nmp->nm_mtx);
 		nmp->nm_privflag |= NFSMNTP_NOXATTR;
 		mtx_unlock(&nmp->nm_mtx);
 		error = EOPNOTSUPP;
 		break;
 	case NFSERR_NOXATTR:
 	case NFSERR_XATTR2BIG:
 		error = ENOATTR;
 		break;
 	default:
 		error = nfscl_maperr(ap->a_td, error, 0, 0);
 		break;
 	}
 	return (error);
 }
 
 /*
  * Return POSIX pathconf information applicable to nfs filesystems.
  */
 static int
 nfs_pathconf(struct vop_pathconf_args *ap)
 {
 	struct nfsv3_pathconf pc;
 	struct nfsvattr nfsva;
 	struct vnode *vp = ap->a_vp;
 	struct nfsmount *nmp;
 	struct thread *td = curthread;
 	off_t off;
 	uint32_t clone_blksize;
 	bool eof, has_namedattr, named_enabled;
 	int attrflag, error;
 	struct nfsnode *np;
 
 	nmp = VFSTONFS(vp->v_mount);
 	np = VTONFS(vp);
 	named_enabled = false;
 	has_namedattr = false;
 	clone_blksize = 0;
 	if ((NFS_ISV34(vp) && (ap->a_name == _PC_LINK_MAX ||
 	    ap->a_name == _PC_NAME_MAX || ap->a_name == _PC_CHOWN_RESTRICTED ||
 	    ap->a_name == _PC_NO_TRUNC)) ||
 	    (NFS_ISV4(vp) && (ap->a_name == _PC_ACL_NFS4 ||
 	     ap->a_name == _PC_HAS_NAMEDATTR ||
 	     ap->a_name == _PC_CLONE_BLKSIZE))) {
 		/*
 		 * Since only the above 4 a_names are returned by the NFSv3
 		 * Pathconf RPC, there is no point in doing it for others.
 		 * For NFSv4, the Pathconf RPC (actually a Getattr Op.) can
 		 * be used for _PC_ACL_NFS4, _PC_HAS_NAMEDATTR and
 		 * _PC_CLONE_BLKSIZE as well.
 		 */
 		error = nfsrpc_pathconf(vp, &pc, &has_namedattr, &clone_blksize,
 		    td->td_ucred, td, &nfsva, &attrflag);
 		if (attrflag != 0)
 			(void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1);
 		if (error != 0)
 			return (error);
 	} else if (NFS_ISV4(vp) && ap->a_name == _PC_NAMEDATTR_ENABLED &&
 	    (np->n_flag & NNAMEDNOTSUPP) == 0) {
 		struct nfsfh *nfhp;
 
 		error = nfsrpc_openattr(nmp, vp, np->n_fhp->nfh_fh,
 		    np->n_fhp->nfh_len, false, td->td_ucred, td, &nfsva, &nfhp,
 		    &attrflag);
 		named_enabled = true;
 		if (error == 0) {
 			free(nfhp, M_NFSFH);
 		} else if (error == NFSERR_NOTSUPP) {
 			named_enabled = false;
 			NFSLOCKNODE(np);
 			np->n_flag |= NNAMEDNOTSUPP;
 			NFSUNLOCKNODE(np);
 		}
 		error = 0;
 	} else {
 		/*
 		 * For NFSv2 (or NFSv3 when not one of the above 4 a_names),
 		 * just fake them.
 		 */
 		pc.pc_linkmax = NFS_LINK_MAX;
 		pc.pc_namemax = NFS_MAXNAMLEN;
 		pc.pc_notrunc = 1;
 		pc.pc_chownrestricted = 1;
 		pc.pc_caseinsensitive = 0;
 		pc.pc_casepreserving = 1;
 		error = 0;
 	}
 	switch (ap->a_name) {
 	case _PC_LINK_MAX:
 #ifdef _LP64
 		*ap->a_retval = pc.pc_linkmax;
 #else
 		*ap->a_retval = MIN(LONG_MAX, pc.pc_linkmax);
 #endif
 		break;
 	case _PC_NAME_MAX:
 		*ap->a_retval = pc.pc_namemax;
 		break;
 	case _PC_PIPE_BUF:
 		if (ap->a_vp->v_type == VDIR || ap->a_vp->v_type == VFIFO)
 			*ap->a_retval = PIPE_BUF;
 		else
 			error = EINVAL;
 		break;
 	case _PC_CHOWN_RESTRICTED:
 		*ap->a_retval = pc.pc_chownrestricted;
 		break;
 	case _PC_NO_TRUNC:
 		*ap->a_retval = pc.pc_notrunc;
 		break;
 	case _PC_ACL_NFS4:
 		if (NFS_ISV4(vp) && nfsrv_useacl != 0 && attrflag != 0 &&
 		    NFSISSET_ATTRBIT(&nfsva.na_suppattr, NFSATTRBIT_ACL))
 			*ap->a_retval = 1;
 		else
 			*ap->a_retval = 0;
 		break;
 	case _PC_ACL_PATH_MAX:
 		if (NFS_ISV4(vp))
 			*ap->a_retval = ACL_MAX_ENTRIES;
 		else
 			*ap->a_retval = 3;
 		break;
 	case _PC_PRIO_IO:
 		*ap->a_retval = 0;
 		break;
 	case _PC_SYNC_IO:
 		*ap->a_retval = 0;
 		break;
 	case _PC_ALLOC_SIZE_MIN:
 		*ap->a_retval = vp->v_mount->mnt_stat.f_bsize;
 		break;
 	case _PC_FILESIZEBITS:
 		if (NFS_ISV34(vp))
 			*ap->a_retval = 64;
 		else
 			*ap->a_retval = 32;
 		break;
 	case _PC_REC_INCR_XFER_SIZE:
 		*ap->a_retval = vp->v_mount->mnt_stat.f_iosize;
 		break;
 	case _PC_REC_MAX_XFER_SIZE:
 		*ap->a_retval = -1; /* means ``unlimited'' */
 		break;
 	case _PC_REC_MIN_XFER_SIZE:
 		*ap->a_retval = vp->v_mount->mnt_stat.f_iosize;
 		break;
 	case _PC_REC_XFER_ALIGN:
 		*ap->a_retval = PAGE_SIZE;
 		break;
 	case _PC_SYMLINK_MAX:
 		*ap->a_retval = NFS_MAXPATHLEN;
 		break;
 	case _PC_MIN_HOLE_SIZE:
 		/* Only some NFSv4.2 servers support Seek for Holes. */
 		*ap->a_retval = 0;
 		if (NFS_ISV4(vp) && nmp->nm_minorvers == NFSV42_MINORVERSION) {
 			/*
 			 * NFSv4.2 doesn't have an attribute for hole size,
 			 * so all we can do is see if the Seek operation is
 			 * supported and then use f_iosize as a "best guess".
 			 */
 			mtx_lock(&nmp->nm_mtx);
 			if ((nmp->nm_privflag & NFSMNTP_SEEKTESTED) == 0) {
 				mtx_unlock(&nmp->nm_mtx);
 				off = 0;
 				attrflag = 0;
 				error = nfsrpc_seek(vp, &off, &eof,
 				    NFSV4CONTENT_HOLE, td->td_ucred, &nfsva,
 				    &attrflag);
 				if (attrflag != 0)
 					(void) nfscl_loadattrcache(&vp, &nfsva,
 					    NULL, 0, 1);
 				mtx_lock(&nmp->nm_mtx);
 				if (error == NFSERR_NOTSUPP)
 					nmp->nm_privflag |= NFSMNTP_SEEKTESTED;
 				else
 					nmp->nm_privflag |= NFSMNTP_SEEKTESTED |
 					    NFSMNTP_SEEK;
 				error = 0;
 			}
 			if ((nmp->nm_privflag & NFSMNTP_SEEK) != 0)
 				*ap->a_retval = vp->v_mount->mnt_stat.f_iosize;
 			mtx_unlock(&nmp->nm_mtx);
 		}
 		break;
 	case _PC_NAMEDATTR_ENABLED:
 		if (named_enabled)
 			*ap->a_retval = 1;
 		else
 			*ap->a_retval = 0;
 		break;
 	case _PC_HAS_NAMEDATTR:
 		if (has_namedattr)
 			*ap->a_retval = 1;
 		else
 			*ap->a_retval = 0;
 		break;
 	case _PC_HAS_HIDDENSYSTEM:
 		if (NFS_ISV4(vp) && NFSISSET_ATTRBIT(&np->n_vattr.na_suppattr,
 		    NFSATTRBIT_HIDDEN) &&
 		    NFSISSET_ATTRBIT(&np->n_vattr.na_suppattr,
 		    NFSATTRBIT_SYSTEM))
 			*ap->a_retval = 1;
 		else
 			*ap->a_retval = 0;
 		break;
 	case _PC_CLONE_BLKSIZE:
 		*ap->a_retval = clone_blksize;
 		break;
 
 	default:
 		error = vop_stdpathconf(ap);
 		break;
 	}
 	return (error);
 }
diff --git a/sys/fs/nfsserver/nfs_nfsdport.c b/sys/fs/nfsserver/nfs_nfsdport.c
index 5ba86314ead1..eb6ba285f8fe 100644
--- a/sys/fs/nfsserver/nfs_nfsdport.c
+++ b/sys/fs/nfsserver/nfs_nfsdport.c
@@ -1,7511 +1,7511 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed to Berkeley by
  * Rick Macklem at The University of Guelph.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  */
 
 #include <sys/capsicum.h>
 #include <sys/extattr.h>
 
 /*
  * Functions that perform the vfs operations required by the routines in
  * nfsd_serv.c. It is hoped that this change will make the server more
  * portable.
  */
 
 #include <fs/nfs/nfsport.h>
 #include <security/mac/mac_framework.h>
 #include <sys/callout.h>
 #include <sys/filio.h>
 #include <sys/hash.h>
 #include <sys/osd.h>
 #include <sys/sysctl.h>
 #include <nlm/nlm_prot.h>
 #include <nlm/nlm.h>
 #include <vm/vm_param.h>
 #include <vm/vnode_pager.h>
 
 FEATURE(nfsd, "NFSv4 server");
 
 extern u_int32_t newnfs_true, newnfs_false, newnfs_xdrneg1;
 extern int nfsrv_useacl;
 extern int newnfs_numnfsd;
 extern int nfsrv_sessionhashsize;
 extern struct nfslayouthash *nfslayouthash;
 extern int nfsrv_layouthashsize;
 extern struct mtx nfsrv_dslock_mtx;
 extern int nfs_pnfsiothreads;
 extern volatile int nfsrv_devidcnt;
 extern int nfsrv_maxpnfsmirror;
 extern uint32_t nfs_srvmaxio;
 extern int nfs_bufpackets;
 extern u_long sb_max_adj;
 extern struct nfsv4lock nfsv4rootfs_lock;
 
 NFSD_VNET_DECLARE(int, nfsrv_numnfsd);
 NFSD_VNET_DECLARE(struct nfsrv_stablefirst, nfsrv_stablefirst);
 NFSD_VNET_DECLARE(SVCPOOL *, nfsrvd_pool);
 NFSD_VNET_DECLARE(struct nfsclienthashhead *, nfsclienthash);
 NFSD_VNET_DECLARE(struct nfslockhashhead *, nfslockhash);
 NFSD_VNET_DECLARE(struct nfssessionhash *, nfssessionhash);
 NFSD_VNET_DECLARE(struct nfsv4lock, nfsd_suspend_lock);
 NFSD_VNET_DECLARE(struct nfsstatsv1 *, nfsstatsv1_p);
 
 NFSDLOCKMUTEX;
 NFSSTATESPINLOCK;
 struct mtx nfsrc_udpmtx;
 struct mtx nfs_v4root_mutex;
 struct mtx nfsrv_dontlistlock_mtx;
 struct mtx nfsrv_recalllock_mtx;
 struct nfsrvfh nfs_pubfh;
 int nfs_pubfhset = 0;
 int nfsd_debuglevel = 0;
 static pid_t nfsd_master_pid = (pid_t)-1;
 static char nfsd_master_comm[MAXCOMLEN + 1];
 static struct timeval nfsd_master_start;
 static uint32_t nfsv4_sysid = 0;
 static fhandle_t zerofh;
 
 NFSD_VNET_DEFINE(struct proc *, nfsd_master_proc) = NULL;
 NFSD_VNET_DEFINE(struct nfsrvhashhead *, nfsrvudphashtbl);
 NFSD_VNET_DEFINE(struct nfsrchash_bucket *, nfsrchash_table);
 NFSD_VNET_DEFINE(struct nfsrchash_bucket *, nfsrcahash_table);
 NFSD_VNET_DEFINE(struct nfsrvfh, nfs_rootfh);
 NFSD_VNET_DEFINE(int, nfs_rootfhset) = 0;
 NFSD_VNET_DEFINE(struct callout, nfsd_callout);
 NFSD_VNET_DEFINE_STATIC(struct mount *, nfsv4root_mnt);
 NFSD_VNET_DEFINE_STATIC(struct vfsoptlist, nfsv4root_opt);
 NFSD_VNET_DEFINE_STATIC(struct vfsoptlist, nfsv4root_newopt);
 NFSD_VNET_DEFINE_STATIC(bool, nfsrv_suspend_nfsd) = false;
 NFSD_VNET_DEFINE_STATIC(bool, nfsrv_mntinited) = false;
 
 static int nfssvc_srvcall(struct thread *, struct nfssvc_args *,
     struct ucred *);
 static void nfsvno_updateds(struct vnode *, struct ucred *, struct thread *);
 
 int nfsrv_enable_crossmntpt = 1;
 static int nfs_commit_blks;
 static int nfs_commit_miss;
 extern int nfsrv_issuedelegs;
 extern int nfsrv_dolocallocks;
 extern struct nfsdevicehead nfsrv_devidhead;
 
 /* Map d_type to vnode type. */
 static uint8_t dtype_to_vnode[DT_WHT + 1] = { VNON, VFIFO, VCHR, VNON, VDIR,
     VNON, VBLK, VNON, VREG, VNON, VLNK, VNON, VSOCK, VNON, VNON };
 
 static int nfsrv_createiovec(int, struct mbuf **, struct mbuf **,
     struct iovec **);
 static int nfsrv_createiovec_extpgs(int, int, struct mbuf **,
     struct mbuf **, struct iovec **);
 static int nfsrv_createiovecw(int, struct mbuf *, char *, struct iovec **,
     int *);
 static void nfs_dtypetovtype(struct nfsvattr *, struct vnode *, uint8_t);
 static void nfsrv_pnfscreate(struct vnode *, struct vattr *, struct ucred *,
     NFSPROC_T *);
 static void nfsrv_pnfsremovesetup(struct vnode *, NFSPROC_T *, struct vnode **,
     int *, char *, fhandle_t *);
 static void nfsrv_pnfsremove(struct vnode **, int, char *, fhandle_t *,
     NFSPROC_T *);
 static int nfsrv_proxyds(struct vnode *, off_t, int, struct ucred *,
     struct thread *, int, struct mbuf **, char *, struct mbuf **,
     struct nfsvattr *, struct acl *, off_t *, int, bool *);
 static int nfsrv_setextattr(struct vnode *, struct nfsvattr *, NFSPROC_T *);
 static int nfsrv_readdsrpc(fhandle_t *, off_t, int, struct ucred *,
     NFSPROC_T *, struct nfsmount *, struct mbuf **, struct mbuf **);
 static int nfsrv_writedsrpc(fhandle_t *, off_t, int, struct ucred *,
     NFSPROC_T *, struct vnode *, struct nfsmount **, int, struct mbuf **,
     char *, int *);
 static int nfsrv_allocatedsrpc(fhandle_t *, off_t, off_t, struct ucred *,
     NFSPROC_T *, struct vnode *, struct nfsmount **, int, int *);
 static int nfsrv_deallocatedsrpc(fhandle_t *, off_t, off_t, struct ucred *,
     NFSPROC_T *, struct vnode *, struct nfsmount **, int, int *);
 static int nfsrv_setacldsrpc(fhandle_t *, struct ucred *, NFSPROC_T *,
     struct vnode *, struct nfsmount **, int, struct acl *, int *);
 static int nfsrv_setattrdsrpc(fhandle_t *, struct ucred *, NFSPROC_T *,
     struct vnode *, struct nfsmount **, int, struct nfsvattr *, int *);
 static int nfsrv_getattrdsrpc(fhandle_t *, struct ucred *, NFSPROC_T *,
     struct vnode *, struct nfsmount *, struct nfsvattr *);
 static int nfsrv_seekdsrpc(fhandle_t *, off_t *, int, bool *, struct ucred *,
     NFSPROC_T *, struct nfsmount *);
 static int nfsrv_putfhname(fhandle_t *, char *);
 static int nfsrv_pnfslookupds(struct vnode *, struct vnode *,
     struct pnfsdsfile *, struct vnode **, NFSPROC_T *);
 static void nfsrv_pnfssetfh(struct vnode *, struct pnfsdsfile *, char *, char *,
     struct vnode *, NFSPROC_T *);
 static int nfsrv_dsremove(struct vnode *, char *, struct ucred *, NFSPROC_T *);
 static int nfsrv_dssetacl(struct vnode *, struct acl *, struct ucred *,
     NFSPROC_T *);
 static int nfsrv_pnfsstatfs(struct statfs *, struct mount *);
 
 int nfs_pnfsio(task_fn_t *, void *);
 
 SYSCTL_NODE(_vfs, OID_AUTO, nfsd, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
     "NFS server");
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, mirrormnt, CTLFLAG_RW,
     &nfsrv_enable_crossmntpt, 0, "Enable nfsd to cross mount points");
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, commit_blks, CTLFLAG_RW, &nfs_commit_blks,
     0, "");
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, commit_miss, CTLFLAG_RW, &nfs_commit_miss,
     0, "");
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, issue_delegations, CTLFLAG_RW,
     &nfsrv_issuedelegs, 0, "Enable nfsd to issue delegations");
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, debuglevel, CTLFLAG_RW, &nfsd_debuglevel,
     0, "Debug level for NFS server");
 NFSD_VNET_DECLARE(int, nfsd_enable_stringtouid);
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, enable_stringtouid,
     CTLFLAG_NFSD_VNET | CTLFLAG_RW, &NFSD_VNET_NAME(nfsd_enable_stringtouid),
     0, "Enable nfsd to accept numeric owner_names");
 static int nfsrv_pnfsgetdsattr = 1;
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, pnfsgetdsattr, CTLFLAG_RW,
     &nfsrv_pnfsgetdsattr, 0, "When set getattr gets DS attributes via RPC");
 static bool nfsrv_recalldeleg = false;
 SYSCTL_BOOL(_vfs_nfsd, OID_AUTO, recalldeleg, CTLFLAG_RW,
     &nfsrv_recalldeleg, 0,
     "When set remove/rename recalls delegations for same client");
 
 /*
  * nfsrv_dsdirsize can only be increased and only when the nfsd threads are
  * not running.
  * The dsN subdirectories for the increased values must have been created
  * on all DS servers before this increase is done.
  */
 u_int	nfsrv_dsdirsize = 20;
 static int
 sysctl_dsdirsize(SYSCTL_HANDLER_ARGS)
 {
 	int error, newdsdirsize;
 
 	newdsdirsize = nfsrv_dsdirsize;
 	error = sysctl_handle_int(oidp, &newdsdirsize, 0, req);
 	if (error != 0 || req->newptr == NULL)
 		return (error);
 	if (newdsdirsize <= nfsrv_dsdirsize || newdsdirsize > 10000 ||
 	    newnfs_numnfsd != 0)
 		return (EINVAL);
 	nfsrv_dsdirsize = newdsdirsize;
 	return (0);
 }
 SYSCTL_PROC(_vfs_nfsd, OID_AUTO, dsdirsize,
     CTLTYPE_UINT | CTLFLAG_MPSAFE | CTLFLAG_RW, 0, sizeof(nfsrv_dsdirsize),
     sysctl_dsdirsize, "IU", "Number of dsN subdirs on the DS servers");
 
 /*
  * nfs_srvmaxio can only be increased and only when the nfsd threads are
  * not running.  The setting must be a power of 2, with the current limit of
  * 1Mbyte.
  */
 static int
 sysctl_srvmaxio(SYSCTL_HANDLER_ARGS)
 {
 	int error;
 	u_int newsrvmaxio;
 	uint64_t tval;
 
 	newsrvmaxio = nfs_srvmaxio;
 	error = sysctl_handle_int(oidp, &newsrvmaxio, 0, req);
 	if (error != 0 || req->newptr == NULL)
 		return (error);
 	if (newsrvmaxio == nfs_srvmaxio)
 		return (0);
 	if (newsrvmaxio < nfs_srvmaxio) {
 		printf("nfsd: vfs.nfsd.srvmaxio can only be increased\n");
 		return (EINVAL);
 	}
 	if (newsrvmaxio > 1048576) {
 		printf("nfsd: vfs.nfsd.srvmaxio cannot be > 1Mbyte\n");
 		return (EINVAL);
 	}
 	if ((newsrvmaxio & (newsrvmaxio - 1)) != 0) {
 		printf("nfsd: vfs.nfsd.srvmaxio must be a power of 2\n");
 		return (EINVAL);
 	}
 
 	/*
 	 * Check that kern.ipc.maxsockbuf is large enough for
 	 * newsrviomax, given the setting of vfs.nfs.bufpackets.
 	 */
 	if ((newsrvmaxio + NFS_MAXXDR) * nfs_bufpackets >
 	    sb_max_adj) {
 		/*
 		 * Suggest vfs.nfs.bufpackets * maximum RPC message for
 		 * sb_max_adj.
 		 */
 		tval = (newsrvmaxio + NFS_MAXXDR) * nfs_bufpackets;
 
 		/*
 		 * Convert suggested sb_max_adj value to a suggested
 		 * sb_max value, which is what is set via kern.ipc.maxsockbuf.
 		 * Perform the inverse calculation of (from uipc_sockbuf.c):
 		 * sb_max_adj = (u_quad_t)sb_max * MCLBYTES /
 		 *     (MSIZE + MCLBYTES);
 		 * XXX If the calculation of sb_max_adj from sb_max changes,
 		 *     this calculation must be changed as well.
 		 */
 		tval *= (MSIZE + MCLBYTES);  /* Brackets for readability. */
 		tval += MCLBYTES - 1;        /* Round up divide. */
 		tval /= MCLBYTES;
 		printf("nfsd: set kern.ipc.maxsockbuf to a minimum of "
 		    "%ju to support %ubyte NFS I/O\n", (uintmax_t)tval,
 		    newsrvmaxio);
 		return (EINVAL);
 	}
 
 	NFSD_LOCK();
 	if (newnfs_numnfsd != 0) {
 		NFSD_UNLOCK();
 		printf("nfsd: cannot set vfs.nfsd.srvmaxio when nfsd "
 		    "threads are running\n");
 		return (EINVAL);
 	}
 
 
 	nfs_srvmaxio = newsrvmaxio;
 	NFSD_UNLOCK();
 	return (0);
 }
 SYSCTL_PROC(_vfs_nfsd, OID_AUTO, srvmaxio,
     CTLTYPE_UINT | CTLFLAG_MPSAFE | CTLFLAG_RW, NULL, 0,
     sysctl_srvmaxio, "IU", "Maximum I/O size in bytes");
 
 static int
 sysctl_dolocallocks(SYSCTL_HANDLER_ARGS)
 {
 	int error, igotlock, newdolocallocks;
 
 	newdolocallocks = nfsrv_dolocallocks;
 	error = sysctl_handle_int(oidp, &newdolocallocks, 0, req);
 	if (error != 0 || req->newptr == NULL)
 		return (error);
 	if (newdolocallocks == nfsrv_dolocallocks)
 		return (0);
 	if (jailed(curthread->td_ucred))
 		return (EINVAL);
 
 	NFSLOCKV4ROOTMUTEX();
 	do {
 		igotlock = nfsv4_lock(&nfsv4rootfs_lock, 1, NULL,
 		    NFSV4ROOTLOCKMUTEXPTR, NULL);
 	} while (!igotlock);
 	NFSUNLOCKV4ROOTMUTEX();
 
 	nfsrv_dolocallocks = newdolocallocks;
 
 	NFSLOCKV4ROOTMUTEX();
 	nfsv4_unlock(&nfsv4rootfs_lock, 0);
 	NFSUNLOCKV4ROOTMUTEX();
 	return (0);
 }
 SYSCTL_PROC(_vfs_nfsd, OID_AUTO, enable_locallocks,
     CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RW, NULL, 0,
     sysctl_dolocallocks, "IU", "Enable nfsd to acquire local locks on files");
 
 #define	MAX_REORDERED_RPC	16
 #define	NUM_HEURISTIC		1031
 #define	NHUSE_INIT		64
 #define	NHUSE_INC		16
 #define	NHUSE_MAX		2048
 
 static struct nfsheur {
 	struct vnode *nh_vp;	/* vp to match (unreferenced pointer) */
 	off_t nh_nextoff;	/* next offset for sequential detection */
 	int nh_use;		/* use count for selection */
 	int nh_seqcount;	/* heuristic */
 } nfsheur[NUM_HEURISTIC];
 
 /*
  * Heuristic to detect sequential operation.
  */
 static struct nfsheur *
 nfsrv_sequential_heuristic(struct uio *uio, struct vnode *vp)
 {
 	struct nfsheur *nh;
 	int hi, try;
 
 	/* Locate best candidate. */
 	try = 32;
 	hi = ((int)(vm_offset_t)vp / sizeof(struct vnode)) % NUM_HEURISTIC;
 	nh = &nfsheur[hi];
 	while (try--) {
 		if (nfsheur[hi].nh_vp == vp) {
 			nh = &nfsheur[hi];
 			break;
 		}
 		if (nfsheur[hi].nh_use > 0)
 			--nfsheur[hi].nh_use;
 		hi = (hi + 1) % NUM_HEURISTIC;
 		if (nfsheur[hi].nh_use < nh->nh_use)
 			nh = &nfsheur[hi];
 	}
 
 	/* Initialize hint if this is a new file. */
 	if (nh->nh_vp != vp) {
 		nh->nh_vp = vp;
 		nh->nh_nextoff = uio->uio_offset;
 		nh->nh_use = NHUSE_INIT;
 		if (uio->uio_offset == 0)
 			nh->nh_seqcount = 4;
 		else
 			nh->nh_seqcount = 1;
 	}
 
 	/* Calculate heuristic. */
 	if ((uio->uio_offset == 0 && nh->nh_seqcount > 0) ||
 	    uio->uio_offset == nh->nh_nextoff) {
 		/* See comments in vfs_vnops.c:sequential_heuristic(). */
 		nh->nh_seqcount += howmany(uio->uio_resid, 16384);
 		if (nh->nh_seqcount > IO_SEQMAX)
 			nh->nh_seqcount = IO_SEQMAX;
 	} else if (qabs(uio->uio_offset - nh->nh_nextoff) <= MAX_REORDERED_RPC *
 	    imax(vp->v_mount->mnt_stat.f_iosize, uio->uio_resid)) {
 		/* Probably a reordered RPC, leave seqcount alone. */
 	} else if (nh->nh_seqcount > 1) {
 		nh->nh_seqcount /= 2;
 	} else {
 		nh->nh_seqcount = 0;
 	}
 	nh->nh_use += NHUSE_INC;
 	if (nh->nh_use > NHUSE_MAX)
 		nh->nh_use = NHUSE_MAX;
 	return (nh);
 }
 
 /*
  * Get attributes into nfsvattr structure.
  */
 int
 nfsvno_getattr(struct vnode *vp, struct nfsvattr *nvap,
     struct nfsrv_descript *nd, struct thread *p, int vpislocked,
     nfsattrbit_t *attrbitp)
 {
 	int error, gotattr, lockedit = 0;
 	struct nfsvattr na;
 
 	if (vpislocked == 0) {
 		/*
 		 * When vpislocked == 0, the vnode is either exclusively
 		 * locked by this thread or not locked by this thread.
 		 * As such, shared lock it, if not exclusively locked.
 		 */
 		if (NFSVOPISLOCKED(vp) != LK_EXCLUSIVE) {
 			lockedit = 1;
 			NFSVOPLOCK(vp, LK_SHARED | LK_RETRY);
 		}
 	}
 
 	/*
 	 * Acquire the Change, Size, TimeAccess, TimeModify and SpaceUsed
 	 * attributes, as required.
 	 * This needs to be done for regular files if:
 	 * - non-NFSv4 RPCs or
 	 * - when attrbitp == NULL or
 	 * - an NFSv4 RPC with any of the above attributes in attrbitp.
 	 * A return of 0 for nfsrv_proxyds() indicates that it has acquired
 	 * these attributes.  nfsrv_proxyds() will return an error if the
 	 * server is not a pNFS one.
 	 */
 	gotattr = 0;
 	if (vp->v_type == VREG && nfsrv_devidcnt > 0 && (attrbitp == NULL ||
 	    (nd->nd_flag & ND_NFSV4) == 0 ||
 	    NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_CHANGE) ||
 	    NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SIZE) ||
 	    NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_TIMEACCESS) ||
 	    NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_TIMEMODIFY) ||
 	    NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SPACEUSED))) {
 		error = nfsrv_proxyds(vp, 0, 0, nd->nd_cred, p,
 		    NFSPROC_GETATTR, NULL, NULL, NULL, &na, NULL, NULL, 0,
 		    NULL);
 		if (error == 0)
 			gotattr = 1;
 	}
 
 	nvap->na_bsdflags = 0;
 	nvap->na_flags = 0;
 	error = VOP_GETATTR(vp, &nvap->na_vattr, nd->nd_cred);
 	if (lockedit != 0)
 		NFSVOPUNLOCK(vp);
 
 	/*
 	 * If we got the Change, Size and Modify Time from the DS,
 	 * replace them.
 	 */
 	if (gotattr != 0) {
 		nvap->na_atime = na.na_atime;
 		nvap->na_mtime = na.na_mtime;
 		nvap->na_filerev = na.na_filerev;
 		nvap->na_size = na.na_size;
 		nvap->na_bytes = na.na_bytes;
 	}
 	NFSD_DEBUG(4, "nfsvno_getattr: gotattr=%d err=%d chg=%ju\n", gotattr,
 	    error, (uintmax_t)na.na_filerev);
 
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Get a file handle for a vnode.
  */
 int
 nfsvno_getfh(struct vnode *vp, fhandle_t *fhp, struct thread *p)
 {
 	int error;
 
 	NFSBZERO((caddr_t)fhp, sizeof(fhandle_t));
 	fhp->fh_fsid = vp->v_mount->mnt_stat.f_fsid;
 	error = VOP_VPTOFH(vp, &fhp->fh_fid);
 
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Perform access checking for vnodes obtained from file handles that would
  * refer to files already opened by a Unix client. You cannot just use
  * vn_writechk() and VOP_ACCESSX() for two reasons.
  * 1 - You must check for exported rdonly as well as MNT_RDONLY for the write
  *     case.
  * 2 - The owner is to be given access irrespective of mode bits for some
  *     operations, so that processes that chmod after opening a file don't
  *     break.
  */
 int
 nfsvno_accchk(struct vnode *vp, accmode_t accmode, struct ucred *cred,
     struct nfsexstuff *exp, struct thread *p, int override, int vpislocked,
     u_int32_t *supportedtypep)
 {
 	struct vattr vattr;
 	int error = 0, getret = 0;
 
 	if (vpislocked == 0) {
 		if (NFSVOPLOCK(vp, LK_SHARED) != 0) {
 			error = EPERM;
 			goto out;
 		}
 	}
 	if (accmode & VWRITE) {
 		/* Just vn_writechk() changed to check rdonly */
 		/*
 		 * Disallow write attempts on read-only file systems;
 		 * unless the file is a socket or a block or character
 		 * device resident on the file system.
 		 */
 		if (NFSVNO_EXRDONLY(exp) ||
 		    (vp->v_mount->mnt_flag & MNT_RDONLY)) {
 			switch (vp->v_type) {
 			case VREG:
 			case VDIR:
 			case VLNK:
 				error = EROFS;
 			default:
 				break;
 			}
 		}
 		/*
 		 * If there's shared text associated with
 		 * the inode, try to free it up once.  If
 		 * we fail, we can't allow writing.
 		 */
 		if (VOP_IS_TEXT(vp) && error == 0)
 			error = ETXTBSY;
 	}
 	if (error != 0) {
 		if (vpislocked == 0)
 			NFSVOPUNLOCK(vp);
 		goto out;
 	}
 
 	/*
 	 * Should the override still be applied when ACLs are enabled?
 	 */
 	error = VOP_ACCESSX(vp, accmode, cred, p);
 	if (error != 0 && (accmode & (VDELETE | VDELETE_CHILD))) {
 		/*
 		 * Try again with VEXPLICIT_DENY, to see if the test for
 		 * deletion is supported.
 		 */
 		error = VOP_ACCESSX(vp, accmode | VEXPLICIT_DENY, cred, p);
 		if (error == 0) {
 			if (vp->v_type == VDIR) {
 				accmode &= ~(VDELETE | VDELETE_CHILD);
 				accmode |= VWRITE;
 				error = VOP_ACCESSX(vp, accmode, cred, p);
 			} else if (supportedtypep != NULL) {
 				*supportedtypep &= ~NFSACCESS_DELETE;
 			}
 		}
 	}
 
 	/*
 	 * Allow certain operations for the owner (reads and writes
 	 * on files that are already open).
 	 */
 	if (override != NFSACCCHK_NOOVERRIDE &&
 	    (error == EPERM || error == EACCES)) {
 		if (cred->cr_uid == 0 && (override & NFSACCCHK_ALLOWROOT))
 			error = 0;
 		else if (override & NFSACCCHK_ALLOWOWNER) {
 			getret = VOP_GETATTR(vp, &vattr, cred);
 			if (getret == 0 && cred->cr_uid == vattr.va_uid)
 				error = 0;
 		}
 	}
 	if (vpislocked == 0)
 		NFSVOPUNLOCK(vp);
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Set attribute(s) vnop.
  */
 int
 nfsvno_setattr(struct vnode *vp, struct nfsvattr *nvap, struct ucred *cred,
     struct thread *p, struct nfsexstuff *exp)
 {
 	u_quad_t savsize = 0;
 	int error, savedit;
 	time_t savbtime;
 
 	/*
 	 * If this is an exported file system and a pNFS service is running,
 	 * don't VOP_SETATTR() of size for the MDS file system.
 	 */
 	savedit = 0;
 	error = 0;
 	if (vp->v_type == VREG && (vp->v_mount->mnt_flag & MNT_EXPORTED) != 0 &&
 	    nfsrv_devidcnt != 0 && nvap->na_vattr.va_size != VNOVAL &&
 	    nvap->na_vattr.va_size > 0) {
 		savsize = nvap->na_vattr.va_size;
 		nvap->na_vattr.va_size = VNOVAL;
 		if (nvap->na_vattr.va_uid != (uid_t)VNOVAL ||
 		    nvap->na_vattr.va_gid != (gid_t)VNOVAL ||
 		    nvap->na_vattr.va_mode != (mode_t)VNOVAL ||
 		    nvap->na_vattr.va_atime.tv_sec != VNOVAL ||
 		    nvap->na_vattr.va_mtime.tv_sec != VNOVAL)
 			savedit = 1;
 		else
 			savedit = 2;
 	}
 	if (savedit != 2)
 		error = VOP_SETATTR(vp, &nvap->na_vattr, cred);
 	if (savedit != 0)
 		nvap->na_vattr.va_size = savsize;
 	if (error == 0 && (nvap->na_vattr.va_uid != (uid_t)VNOVAL ||
 	    nvap->na_vattr.va_gid != (gid_t)VNOVAL ||
 	    nvap->na_vattr.va_size != VNOVAL ||
 	    nvap->na_vattr.va_mode != (mode_t)VNOVAL ||
 	    nvap->na_vattr.va_atime.tv_sec != VNOVAL ||
 	    nvap->na_vattr.va_mtime.tv_sec != VNOVAL)) {
 		/* Never modify birthtime on a DS file. */
 		savbtime = nvap->na_vattr.va_birthtime.tv_sec;
 		nvap->na_vattr.va_birthtime.tv_sec = VNOVAL;
 		/* For a pNFS server, set the attributes on the DS file. */
 		error = nfsrv_proxyds(vp, 0, 0, cred, p, NFSPROC_SETATTR,
 		    NULL, NULL, NULL, nvap, NULL, NULL, 0, NULL);
 		nvap->na_vattr.va_birthtime.tv_sec = savbtime;
 		if (error == ENOENT)
 			error = 0;
 	}
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Set up nameidata for a lookup() call and do it.
  */
 int
 nfsvno_namei(struct nfsrv_descript *nd, struct nameidata *ndp,
     struct vnode *dp, int islocked, struct nfsexstuff *exp,
     struct vnode **retdirp)
 {
 	struct componentname *cnp = &ndp->ni_cnd;
 	int i;
 	struct iovec aiov;
 	struct uio auio;
 	int lockleaf = (cnp->cn_flags & LOCKLEAF) != 0, linklen;
 	int error = 0;
 	char *cp;
 
 	*retdirp = NULL;
 	cnp->cn_nameptr = cnp->cn_pnbuf;
 	ndp->ni_lcf = 0;
 	/*
 	 * Extract and set starting directory.
 	 */
 	if (dp->v_type != VDIR) {
 		if (islocked)
 			vput(dp);
 		else
 			vrele(dp);
 		nfsvno_relpathbuf(ndp);
 		error = ENOTDIR;
 		goto out1;
 	}
 	if (islocked)
 		NFSVOPUNLOCK(dp);
-	VREF(dp);
+	vref(dp);
 	*retdirp = dp;
 	if (NFSVNO_EXRDONLY(exp))
 		cnp->cn_flags |= RDONLY;
 	ndp->ni_segflg = UIO_SYSSPACE;
 
 	if (nd->nd_flag & ND_PUBLOOKUP) {
 		ndp->ni_loopcnt = 0;
 		if (cnp->cn_pnbuf[0] == '/') {
 			vrele(dp);
 			/*
 			 * Check for degenerate pathnames here, since lookup()
 			 * panics on them.
 			 */
 			for (i = 1; i < ndp->ni_pathlen; i++)
 				if (cnp->cn_pnbuf[i] != '/')
 					break;
 			if (i == ndp->ni_pathlen) {
 				error = NFSERR_ACCES;
 				goto out;
 			}
 			dp = rootvnode;
-			VREF(dp);
+			vref(dp);
 		}
 	} else if ((nfsrv_enable_crossmntpt == 0 && NFSVNO_EXPORTED(exp)) ||
 	    (nd->nd_flag & ND_NFSV4) == 0) {
 		/*
 		 * Only cross mount points for NFSv4 when doing a
 		 * mount while traversing the file system above
 		 * the mount point, unless nfsrv_enable_crossmntpt is set.
 		 */
 		cnp->cn_flags |= NOCROSSMOUNT;
 	}
 
 	/*
 	 * Initialize for scan, set ni_startdir and bump ref on dp again
 	 * because lookup() will dereference ni_startdir.
 	 */
 
 	ndp->ni_startdir = dp;
 	ndp->ni_rootdir = rootvnode;
 	ndp->ni_topdir = NULL;
 
 	if (!lockleaf)
 		cnp->cn_flags |= LOCKLEAF;
 	for (;;) {
 		cnp->cn_nameptr = cnp->cn_pnbuf;
 		/*
 		 * Call lookup() to do the real work.  If an error occurs,
 		 * ndp->ni_vp and ni_dvp are left uninitialized or NULL and
 		 * we do not have to dereference anything before returning.
 		 * In either case ni_startdir will be dereferenced and NULLed
 		 * out.
 		 */
 		error = vfs_lookup(ndp);
 		if (error)
 			break;
 
 		/*
 		 * Check for encountering a symbolic link.  Trivial
 		 * termination occurs if no symlink encountered.
 		 */
 		if ((cnp->cn_flags & ISSYMLINK) == 0) {
 			if (ndp->ni_vp && !lockleaf)
 				NFSVOPUNLOCK(ndp->ni_vp);
 			break;
 		}
 
 		/*
 		 * Validate symlink
 		 */
 		if ((cnp->cn_flags & LOCKPARENT) && ndp->ni_pathlen == 1)
 			NFSVOPUNLOCK(ndp->ni_dvp);
 		if (!(nd->nd_flag & ND_PUBLOOKUP)) {
 			error = EINVAL;
 			goto badlink2;
 		}
 
 		if (ndp->ni_loopcnt++ >= MAXSYMLINKS) {
 			error = ELOOP;
 			goto badlink2;
 		}
 		if (ndp->ni_pathlen > 1)
 			cp = uma_zalloc(namei_zone, M_WAITOK);
 		else
 			cp = cnp->cn_pnbuf;
 		aiov.iov_base = cp;
 		aiov.iov_len = MAXPATHLEN;
 		auio.uio_iov = &aiov;
 		auio.uio_iovcnt = 1;
 		auio.uio_offset = 0;
 		auio.uio_rw = UIO_READ;
 		auio.uio_segflg = UIO_SYSSPACE;
 		auio.uio_td = NULL;
 		auio.uio_resid = MAXPATHLEN;
 		error = VOP_READLINK(ndp->ni_vp, &auio, cnp->cn_cred);
 		if (error) {
 		badlink1:
 			if (ndp->ni_pathlen > 1)
 				uma_zfree(namei_zone, cp);
 		badlink2:
 			vrele(ndp->ni_dvp);
 			vput(ndp->ni_vp);
 			break;
 		}
 		linklen = MAXPATHLEN - auio.uio_resid;
 		if (linklen == 0) {
 			error = ENOENT;
 			goto badlink1;
 		}
 		if (linklen + ndp->ni_pathlen >= MAXPATHLEN) {
 			error = ENAMETOOLONG;
 			goto badlink1;
 		}
 
 		/*
 		 * Adjust or replace path
 		 */
 		if (ndp->ni_pathlen > 1) {
 			NFSBCOPY(ndp->ni_next, cp + linklen, ndp->ni_pathlen);
 			uma_zfree(namei_zone, cnp->cn_pnbuf);
 			cnp->cn_pnbuf = cp;
 		} else
 			cnp->cn_pnbuf[linklen] = '\0';
 		ndp->ni_pathlen += linklen;
 
 		/*
 		 * Cleanup refs for next loop and check if root directory
 		 * should replace current directory.  Normally ni_dvp
 		 * becomes the new base directory and is cleaned up when
 		 * we loop.  Explicitly null pointers after invalidation
 		 * to clarify operation.
 		 */
 		vput(ndp->ni_vp);
 		ndp->ni_vp = NULL;
 
 		if (cnp->cn_pnbuf[0] == '/') {
 			vrele(ndp->ni_dvp);
 			ndp->ni_dvp = ndp->ni_rootdir;
-			VREF(ndp->ni_dvp);
+			vref(ndp->ni_dvp);
 		}
 		ndp->ni_startdir = ndp->ni_dvp;
 		ndp->ni_dvp = NULL;
 	}
 	if (!lockleaf)
 		cnp->cn_flags &= ~LOCKLEAF;
 
 out:
 	if (error) {
 		nfsvno_relpathbuf(ndp);
 		ndp->ni_vp = NULL;
 		ndp->ni_dvp = NULL;
 		ndp->ni_startdir = NULL;
 	} else if ((ndp->ni_cnd.cn_flags & (WANTPARENT|LOCKPARENT)) == 0) {
 		ndp->ni_dvp = NULL;
 	}
 
 out1:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * Set up a pathname buffer and return a pointer to it and, optionally
  * set a hash pointer.
  */
 void
 nfsvno_setpathbuf(struct nameidata *ndp, char **bufpp, u_long **hashpp)
 {
 	struct componentname *cnp = &ndp->ni_cnd;
 
 	cnp->cn_flags |= (NOMACCHECK);
 	cnp->cn_pnbuf = uma_zalloc(namei_zone, M_WAITOK);
 	if (hashpp != NULL)
 		*hashpp = NULL;
 	*bufpp = cnp->cn_pnbuf;
 }
 
 /*
  * Release the above path buffer, if not released by nfsvno_namei().
  */
 void
 nfsvno_relpathbuf(struct nameidata *ndp)
 {
 
 	uma_zfree(namei_zone, ndp->ni_cnd.cn_pnbuf);
 	ndp->ni_cnd.cn_pnbuf = NULL;
 }
 
 /*
  * Readlink vnode op into an mbuf list.
  */
 int
 nfsvno_readlink(struct vnode *vp, struct ucred *cred, int maxextsiz,
     struct thread *p, struct mbuf **mpp, struct mbuf **mpendp, int *lenp)
 {
 	struct iovec *iv;
 	struct uio io, *uiop = &io;
 	struct mbuf *mp, *mp3;
 	int len, tlen, error = 0;
 
 	len = NFS_MAXPATHLEN;
 	if (maxextsiz > 0)
 		uiop->uio_iovcnt = nfsrv_createiovec_extpgs(len, maxextsiz,
 		    &mp3, &mp, &iv);
 	else
 		uiop->uio_iovcnt = nfsrv_createiovec(len, &mp3, &mp, &iv);
 	uiop->uio_iov = iv;
 	uiop->uio_offset = 0;
 	uiop->uio_resid = len;
 	uiop->uio_rw = UIO_READ;
 	uiop->uio_segflg = UIO_SYSSPACE;
 	uiop->uio_td = NULL;
 	error = VOP_READLINK(vp, uiop, cred);
 	free(iv, M_TEMP);
 	if (error) {
 		m_freem(mp3);
 		*lenp = 0;
 		goto out;
 	}
 	if (uiop->uio_resid > 0) {
 		len -= uiop->uio_resid;
 		tlen = NFSM_RNDUP(len);
 		if (tlen == 0) {
 			m_freem(mp3);
 			mp3 = mp = NULL;
 		} else if (tlen != NFS_MAXPATHLEN || tlen != len)
 			mp = nfsrv_adj(mp3, NFS_MAXPATHLEN - tlen,
 			    tlen - len);
 	}
 	*lenp = len;
 	*mpp = mp3;
 	*mpendp = mp;
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Create an mbuf chain and an associated iovec that can be used to Read
  * or Getextattr of data.
  * Upon success, return pointers to the first and last mbufs in the chain
  * plus the malloc'd iovec and its iovlen.
  */
 static int
 nfsrv_createiovec(int len, struct mbuf **mpp, struct mbuf **mpendp,
     struct iovec **ivp)
 {
 	struct mbuf *m, *m2 = NULL, *m3;
 	struct iovec *iv;
 	int i, left, siz;
 
 	left = len;
 	m3 = NULL;
 	/*
 	 * Generate the mbuf list with the uio_iov ref. to it.
 	 */
 	i = 0;
 	while (left > 0) {
 		NFSMGET(m);
 		MCLGET(m, M_WAITOK);
 		m->m_len = 0;
 		siz = min(M_TRAILINGSPACE(m), left);
 		left -= siz;
 		i++;
 		if (m3)
 			m2->m_next = m;
 		else
 			m3 = m;
 		m2 = m;
 	}
 	*ivp = iv = malloc(i * sizeof (struct iovec), M_TEMP, M_WAITOK);
 	m = m3;
 	left = len;
 	i = 0;
 	while (left > 0) {
 		if (m == NULL)
 			panic("nfsrv_createiovec iov");
 		siz = min(M_TRAILINGSPACE(m), left);
 		if (siz > 0) {
 			iv->iov_base = mtod(m, caddr_t) + m->m_len;
 			iv->iov_len = siz;
 			m->m_len += siz;
 			left -= siz;
 			iv++;
 			i++;
 		}
 		m = m->m_next;
 	}
 	*mpp = m3;
 	*mpendp = m2;
 	return (i);
 }
 
 /*
  * Create an mbuf chain and an associated iovec that can be used to Read
  * or Getextattr of data.
  * Upon success, return pointers to the first and last mbufs in the chain
  * plus the malloc'd iovec and its iovlen.
  * Same as above, but creates ext_pgs mbuf(s).
  */
 static int
 nfsrv_createiovec_extpgs(int len, int maxextsiz, struct mbuf **mpp,
     struct mbuf **mpendp, struct iovec **ivp)
 {
 	struct mbuf *m, *m2 = NULL, *m3;
 	struct iovec *iv;
 	int i, left, pgno, siz;
 
 	left = len;
 	m3 = NULL;
 	/*
 	 * Generate the mbuf list with the uio_iov ref. to it.
 	 */
 	i = 0;
 	while (left > 0) {
 		siz = min(left, maxextsiz);
 		m = mb_alloc_ext_plus_pages(siz, M_WAITOK);
 		left -= siz;
 		i += m->m_epg_npgs;
 		if (m3 != NULL)
 			m2->m_next = m;
 		else
 			m3 = m;
 		m2 = m;
 	}
 	*ivp = iv = malloc(i * sizeof (struct iovec), M_TEMP, M_WAITOK);
 	m = m3;
 	left = len;
 	i = 0;
 	pgno = 0;
 	while (left > 0) {
 		if (m == NULL)
 			panic("nfsvno_createiovec_extpgs iov");
 		siz = min(PAGE_SIZE, left);
 		if (siz > 0) {
 			iv->iov_base = (void *)PHYS_TO_DMAP(m->m_epg_pa[pgno]);
 			iv->iov_len = siz;
 			m->m_len += siz;
 			if (pgno == m->m_epg_npgs - 1)
 				m->m_epg_last_len = siz;
 			left -= siz;
 			iv++;
 			i++;
 			pgno++;
 		}
 		if (pgno == m->m_epg_npgs && left > 0) {
 			m = m->m_next;
 			if (m == NULL)
 				panic("nfsvno_createiovec_extpgs iov");
 			pgno = 0;
 		}
 	}
 	*mpp = m3;
 	*mpendp = m2;
 	return (i);
 }
 
 /*
  * Read vnode op call into mbuf list.
  */
 int
 nfsvno_read(struct vnode *vp, off_t off, int cnt, struct ucred *cred,
     int maxextsiz, struct thread *p, struct mbuf **mpp,
     struct mbuf **mpendp)
 {
 	struct mbuf *m;
 	struct iovec *iv;
 	int error = 0, len, tlen, ioflag = 0;
 	struct mbuf *m3;
 	struct uio io, *uiop = &io;
 	struct nfsheur *nh;
 
 	/*
 	 * Attempt to read from a DS file. A return of ENOENT implies
 	 * there is no DS file to read.
 	 */
 	error = nfsrv_proxyds(vp, off, cnt, cred, p, NFSPROC_READDS, mpp,
 	    NULL, mpendp, NULL, NULL, NULL, 0, NULL);
 	if (error != ENOENT)
 		return (error);
 
 	len = NFSM_RNDUP(cnt);
 	if (maxextsiz > 0)
 		uiop->uio_iovcnt = nfsrv_createiovec_extpgs(len, maxextsiz,
 		    &m3, &m, &iv);
 	else
 		uiop->uio_iovcnt = nfsrv_createiovec(len, &m3, &m, &iv);
 	uiop->uio_iov = iv;
 	uiop->uio_offset = off;
 	uiop->uio_resid = len;
 	uiop->uio_rw = UIO_READ;
 	uiop->uio_segflg = UIO_SYSSPACE;
 	uiop->uio_td = NULL;
 	nh = nfsrv_sequential_heuristic(uiop, vp);
 	ioflag |= nh->nh_seqcount << IO_SEQSHIFT;
 	/* XXX KDM make this more systematic? */
 	NFSD_VNET(nfsstatsv1_p)->srvbytes[NFSV4OP_READ] += uiop->uio_resid;
 	error = VOP_READ(vp, uiop, IO_NODELOCKED | ioflag, cred);
 	free(iv, M_TEMP);
 	if (error) {
 		m_freem(m3);
 		*mpp = NULL;
 		goto out;
 	}
 	nh->nh_nextoff = uiop->uio_offset;
 	tlen = len - uiop->uio_resid;
 	cnt = cnt < tlen ? cnt : tlen;
 	tlen = NFSM_RNDUP(cnt);
 	if (tlen == 0) {
 		m_freem(m3);
 		m3 = m = NULL;
 	} else if (len != tlen || tlen != cnt)
 		m = nfsrv_adj(m3, len - tlen, tlen - cnt);
 	*mpp = m3;
 	*mpendp = m;
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Create the iovec for the mbuf chain passed in as an argument.
  * The "cp" argument is where the data starts within the first mbuf in
  * the chain. It returns the iovec and the iovcnt.
  */
 static int
 nfsrv_createiovecw(int retlen, struct mbuf *m, char *cp, struct iovec **ivpp,
     int *iovcntp)
 {
 	struct mbuf *mp;
 	struct iovec *ivp;
 	int cnt, i, len;
 
 	/*
 	 * Loop through the mbuf chain, counting how many mbufs are a
 	 * part of this write operation, so the iovec size is known.
 	 */
 	cnt = 0;
 	len = retlen;
 	mp = m;
 	i = mtod(mp, caddr_t) + mp->m_len - cp;
 	while (len > 0) {
 		if (i > 0) {
 			len -= i;
 			cnt++;
 		}
 		mp = mp->m_next;
 		if (!mp) {
 			if (len > 0)
 				return (EBADRPC);
 		} else
 			i = mp->m_len;
 	}
 
 	/* Now, create the iovec. */
 	mp = m;
 	*ivpp = ivp = malloc(cnt * sizeof (struct iovec), M_TEMP,
 	    M_WAITOK);
 	*iovcntp = cnt;
 	i = mtod(mp, caddr_t) + mp->m_len - cp;
 	len = retlen;
 	while (len > 0) {
 		if (mp == NULL)
 			panic("nfsrv_createiovecw");
 		if (i > 0) {
 			i = min(i, len);
 			ivp->iov_base = cp;
 			ivp->iov_len = i;
 			ivp++;
 			len -= i;
 		}
 		mp = mp->m_next;
 		if (mp) {
 			i = mp->m_len;
 			cp = mtod(mp, caddr_t);
 		}
 	}
 	return (0);
 }
 
 /*
  * Write vnode op from an mbuf list.
  */
 int
 nfsvno_write(struct vnode *vp, off_t off, int retlen, int *stable,
     struct mbuf *mp, char *cp, struct ucred *cred, struct thread *p)
 {
 	struct iovec *iv;
 	int cnt, ioflags, error;
 	struct uio io, *uiop = &io;
 	struct nfsheur *nh;
 
 	/*
 	 * Attempt to write to a DS file. A return of ENOENT implies
 	 * there is no DS file to write.
 	 */
 	error = nfsrv_proxyds(vp, off, retlen, cred, p, NFSPROC_WRITEDS,
 	    &mp, cp, NULL, NULL, NULL, NULL, 0, NULL);
 	if (error != ENOENT) {
 		*stable = NFSWRITE_FILESYNC;
 		return (error);
 	}
 
 	if (*stable == NFSWRITE_UNSTABLE)
 		ioflags = IO_NODELOCKED;
 	else
 		ioflags = (IO_SYNC | IO_NODELOCKED);
 	error = nfsrv_createiovecw(retlen, mp, cp, &iv, &cnt);
 	if (error != 0)
 		return (error);
 	uiop->uio_iov = iv;
 	uiop->uio_iovcnt = cnt;
 	uiop->uio_resid = retlen;
 	uiop->uio_rw = UIO_WRITE;
 	uiop->uio_segflg = UIO_SYSSPACE;
 	NFSUIOPROC(uiop, p);
 	uiop->uio_offset = off;
 	nh = nfsrv_sequential_heuristic(uiop, vp);
 	ioflags |= nh->nh_seqcount << IO_SEQSHIFT;
 	/* XXX KDM make this more systematic? */
 	NFSD_VNET(nfsstatsv1_p)->srvbytes[NFSV4OP_WRITE] += uiop->uio_resid;
 	error = VOP_WRITE(vp, uiop, ioflags, cred);
 	if (error == 0)
 		nh->nh_nextoff = uiop->uio_offset;
 	free(iv, M_TEMP);
 
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Common code for creating a regular file (plus special files for V2).
  */
 int
 nfsvno_createsub(struct nfsrv_descript *nd, struct nameidata *ndp,
     struct vnode **vpp, struct nfsvattr *nvap, int *exclusive_flagp,
     int32_t *cverf, NFSDEV_T rdev, struct nfsexstuff *exp)
 {
 	u_quad_t tempsize;
 	int error;
 	struct thread *p = curthread;
 
 	error = nd->nd_repstat;
 	if (!error && ndp->ni_vp == NULL) {
 		if (nvap->na_type == VREG || nvap->na_type == VSOCK) {
 			error = VOP_CREATE(ndp->ni_dvp,
 			    &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);
 			/* For a pNFS server, create the data file on a DS. */
 			if (error == 0 && nvap->na_type == VREG) {
 				/*
 				 * Create a data file on a DS for a pNFS server.
 				 * This function just returns if not
 				 * running a pNFS DS or the creation fails.
 				 */
 				nfsrv_pnfscreate(ndp->ni_vp, &nvap->na_vattr,
 				    nd->nd_cred, p);
 			}
 			VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp :
 			    NULL, false);
 			nfsvno_relpathbuf(ndp);
 			if (!error) {
 				if (*exclusive_flagp) {
 					*exclusive_flagp = 0;
 					NFSVNO_ATTRINIT(nvap);
 					nvap->na_atime.tv_sec = cverf[0];
 					nvap->na_atime.tv_nsec = cverf[1];
 					error = VOP_SETATTR(ndp->ni_vp,
 					    &nvap->na_vattr, nd->nd_cred);
 					if (error != 0) {
 						vput(ndp->ni_vp);
 						ndp->ni_vp = NULL;
 						error = NFSERR_NOTSUPP;
 					}
 				}
 			}
 		/*
 		 * NFS V2 Only. nfsrvd_mknod() does this for V3.
 		 * (This implies, just get out on an error.)
 		 */
 		} else if (nvap->na_type == VCHR || nvap->na_type == VBLK ||
 			nvap->na_type == VFIFO) {
 			if (nvap->na_type == VCHR && rdev == 0xffffffff)
 				nvap->na_type = VFIFO;
                         if (nvap->na_type != VFIFO &&
 			    (error = priv_check_cred(nd->nd_cred, PRIV_VFS_MKNOD_DEV))) {
 				nfsvno_relpathbuf(ndp);
 				vput(ndp->ni_dvp);
 				goto out;
 			}
 			nvap->na_rdev = rdev;
 			error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,
 			    &ndp->ni_cnd, &nvap->na_vattr);
 			VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp :
 			    NULL, false);
 			nfsvno_relpathbuf(ndp);
 			if (error)
 				goto out;
 		} else {
 			nfsvno_relpathbuf(ndp);
 			vput(ndp->ni_dvp);
 			error = ENXIO;
 			goto out;
 		}
 		*vpp = ndp->ni_vp;
 	} else {
 		/*
 		 * Handle cases where error is already set and/or
 		 * the file exists.
 		 * 1 - clean up the lookup
 		 * 2 - iff !error and na_size set, truncate it
 		 */
 		nfsvno_relpathbuf(ndp);
 		*vpp = ndp->ni_vp;
 		if (ndp->ni_dvp == *vpp)
 			vrele(ndp->ni_dvp);
 		else
 			vput(ndp->ni_dvp);
 		if (!error && nvap->na_size != VNOVAL) {
 			error = nfsvno_accchk(*vpp, VWRITE,
 			    nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE,
 			    NFSACCCHK_VPISLOCKED, NULL);
 			if (!error) {
 				tempsize = nvap->na_size;
 				NFSVNO_ATTRINIT(nvap);
 				nvap->na_size = tempsize;
 				error = nfsvno_setattr(*vpp, nvap,
 				    nd->nd_cred, p, exp);
 			}
 		}
 		if (error)
 			vput(*vpp);
 	}
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Do a mknod vnode op.
  */
 int
 nfsvno_mknod(struct nameidata *ndp, struct nfsvattr *nvap, struct ucred *cred,
     struct thread *p)
 {
 	int error = 0;
 	__enum_uint8(vtype) vtyp;
 
 	vtyp = nvap->na_type;
 	/*
 	 * Iff doesn't exist, create it.
 	 */
 	if (ndp->ni_vp) {
 		nfsvno_relpathbuf(ndp);
 		vput(ndp->ni_dvp);
 		vrele(ndp->ni_vp);
 		error = EEXIST;
 		goto out;
 	}
 	if (vtyp != VCHR && vtyp != VBLK && vtyp != VSOCK && vtyp != VFIFO) {
 		nfsvno_relpathbuf(ndp);
 		vput(ndp->ni_dvp);
 		error = NFSERR_BADTYPE;
 		goto out;
 	}
 	if (vtyp == VSOCK) {
 		error = VOP_CREATE(ndp->ni_dvp, &ndp->ni_vp,
 		    &ndp->ni_cnd, &nvap->na_vattr);
 		VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,
 		    false);
 		nfsvno_relpathbuf(ndp);
 	} else {
 		if (nvap->na_type != VFIFO &&
 		    (error = priv_check_cred(cred, PRIV_VFS_MKNOD_DEV))) {
 			nfsvno_relpathbuf(ndp);
 			vput(ndp->ni_dvp);
 			goto out;
 		}
 		error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,
 		    &ndp->ni_cnd, &nvap->na_vattr);
 		VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,
 		    false);
 		nfsvno_relpathbuf(ndp);
 		/*
 		 * Since VOP_MKNOD returns the ni_vp, I can't
 		 * see any reason to do the lookup.
 		 */
 	}
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Mkdir vnode op.
  */
 int
 nfsvno_mkdir(struct nameidata *ndp, struct nfsvattr *nvap, uid_t saved_uid,
     struct ucred *cred, struct thread *p, struct nfsexstuff *exp)
 {
 	int error = 0;
 
 	if (ndp->ni_vp != NULL) {
 		if (ndp->ni_dvp == ndp->ni_vp)
 			vrele(ndp->ni_dvp);
 		else
 			vput(ndp->ni_dvp);
 		vrele(ndp->ni_vp);
 		nfsvno_relpathbuf(ndp);
 		error = EEXIST;
 		goto out;
 	}
 	error = VOP_MKDIR(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,
 	    &nvap->na_vattr);
 	VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL, false);
 	nfsvno_relpathbuf(ndp);
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * symlink vnode op.
  */
 int
 nfsvno_symlink(struct nameidata *ndp, struct nfsvattr *nvap, char *pathcp,
     int pathlen, int not_v2, uid_t saved_uid, struct ucred *cred, struct thread *p,
     struct nfsexstuff *exp)
 {
 	int error = 0;
 
 	if (ndp->ni_vp) {
 		nfsvno_relpathbuf(ndp);
 		if (ndp->ni_dvp == ndp->ni_vp)
 			vrele(ndp->ni_dvp);
 		else
 			vput(ndp->ni_dvp);
 		vrele(ndp->ni_vp);
 		error = EEXIST;
 		goto out;
 	}
 
 	error = VOP_SYMLINK(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,
 	    &nvap->na_vattr, pathcp);
 	/*
 	 * Although FreeBSD still had the lookup code in
 	 * it for 7/current, there doesn't seem to be any
 	 * point, since VOP_SYMLINK() returns the ni_vp.
 	 * Just vput it for v2.
 	 */
 	VOP_VPUT_PAIR(ndp->ni_dvp, &ndp->ni_vp, !not_v2 && error == 0);
 	nfsvno_relpathbuf(ndp);
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Parse symbolic link arguments.
  * This function has an ugly side effect. It will malloc() an area for
  * the symlink and set iov_base to point to it, only if it succeeds.
  * So, if it returns with uiop->uio_iov->iov_base != NULL, that must
  * be FREE'd later.
  */
 int
 nfsvno_getsymlink(struct nfsrv_descript *nd, struct nfsvattr *nvap,
     struct thread *p, char **pathcpp, int *lenp)
 {
 	u_int32_t *tl;
 	char *pathcp = NULL;
 	int error = 0, len;
 	struct nfsv2_sattr *sp;
 
 	*pathcpp = NULL;
 	*lenp = 0;
 	if ((nd->nd_flag & ND_NFSV3) &&
 	    (error = nfsrv_sattr(nd, NULL, nvap, NULL, NULL, p)))
 		goto nfsmout;
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 	len = fxdr_unsigned(int, *tl);
 	if (len > NFS_MAXPATHLEN || len <= 0) {
 		error = EBADRPC;
 		goto nfsmout;
 	}
 	pathcp = malloc(len + 1, M_TEMP, M_WAITOK);
 	error = nfsrv_mtostr(nd, pathcp, len);
 	if (error)
 		goto nfsmout;
 	if (nd->nd_flag & ND_NFSV2) {
 		NFSM_DISSECT(sp, struct nfsv2_sattr *, NFSX_V2SATTR);
 		nvap->na_mode = fxdr_unsigned(u_int16_t, sp->sa_mode);
 	}
 	*pathcpp = pathcp;
 	*lenp = len;
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	if (pathcp)
 		free(pathcp, M_TEMP);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * Remove a non-directory object.
  */
 int
 nfsvno_removesub(struct nameidata *ndp, bool is_v4, struct nfsrv_descript *nd,
     struct thread *p, struct nfsexstuff *exp)
 {
 	struct vnode *vp, *dsdvp[NFSDEV_MAXMIRRORS], *newvp;
 	struct mount *mp;
 	int error = 0, mirrorcnt, ret;
 	char fname[PNFS_FILENAME_LEN + 1];
 	fhandle_t fh;
 
 	vp = ndp->ni_vp;
 	dsdvp[0] = NULL;
 	if (vp->v_type == VDIR) {
 		error = NFSERR_ISDIR;
 	} else if (is_v4) {
 		if (nfsrv_recalldeleg || (nd->nd_flag & ND_NFSV41) == 0)
 			error = nfsrv_checkremove(vp, 1, NULL,
 			    (nfsquad_t)((u_quad_t)0), p);
 		else
 			error = nfsrv_checkremove(vp, 1, NULL, nd->nd_clientid,
 			    p);
 	}
 	if (error == 0)
 		nfsrv_pnfsremovesetup(vp, p, dsdvp, &mirrorcnt, fname, &fh);
 	if (!error)
 		error = VOP_REMOVE(ndp->ni_dvp, vp, &ndp->ni_cnd);
 	if (error == 0 && dsdvp[0] != NULL)
 		nfsrv_pnfsremove(dsdvp, mirrorcnt, fname, &fh, p);
 	if (is_v4 && (nd->nd_flag & ND_NFSV41) != 0 && error == 0)
 		error = nfsvno_getfh(vp, &fh, p);
 	if (ndp->ni_dvp == vp)
 		vrele(ndp->ni_dvp);
 	else
 		vput(ndp->ni_dvp);
 	vput(vp);
 
 	/* Use ret to determine if the file still exists. */
 	if (is_v4 && (nd->nd_flag & ND_NFSV41) != 0 && error == 0) {
 		mp = vfs_busyfs(&fh.fh_fsid);
 		if (mp != NULL) {
 			/* Find out if the file still exists. */
 			ret = VFS_FHTOVP(mp, &fh.fh_fid, LK_SHARED, &newvp);
 			if (ret == 0)
 				vput(newvp);
 			else
 				ret = ESTALE;
 			vfs_unbusy(mp);
 		} else {
 			ret = ESTALE;
 		}
 		if (ret == ESTALE) {
 			/* Get rid of any delegation. */
 			nfsrv_removedeleg(&fh, nd, p);
 		}
 	}
 
 	nfsvno_relpathbuf(ndp);
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Remove a directory.
  */
 int
 nfsvno_rmdirsub(struct nameidata *ndp, int is_v4, struct ucred *cred,
     struct thread *p, struct nfsexstuff *exp)
 {
 	struct vnode *vp;
 	int error = 0;
 
 	vp = ndp->ni_vp;
 	if (vp->v_type != VDIR) {
 		error = ENOTDIR;
 		goto out;
 	}
 	/*
 	 * No rmdir "." please.
 	 */
 	if (ndp->ni_dvp == vp) {
 		error = EINVAL;
 		goto out;
 	}
 	/*
 	 * The root of a mounted filesystem cannot be deleted.
 	 */
 	if (vp->v_vflag & VV_ROOT)
 		error = EBUSY;
 out:
 	if (!error)
 		error = VOP_RMDIR(ndp->ni_dvp, vp, &ndp->ni_cnd);
 	if (ndp->ni_dvp == vp)
 		vrele(ndp->ni_dvp);
 	else
 		vput(ndp->ni_dvp);
 	vput(vp);
 	nfsvno_relpathbuf(ndp);
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Rename vnode op.
  */
 int
 nfsvno_rename(struct nameidata *fromndp, struct nameidata *tondp,
     struct nfsrv_descript *nd, struct thread *p)
 {
 	struct vnode *fvp, *tvp, *tdvp, *dsdvp[NFSDEV_MAXMIRRORS], *newvp;
 	struct mount *mp;
 	int error = 0, mirrorcnt, ret;
 	char fname[PNFS_FILENAME_LEN + 1];
 	fhandle_t fh, fh2;
 
 	dsdvp[0] = NULL;
 	fvp = fromndp->ni_vp;
 	if (nd->nd_repstat != 0) {
 		vrele(fromndp->ni_dvp);
 		vrele(fvp);
 		error = nd->nd_repstat;
 		goto out1;
 	}
 	tdvp = tondp->ni_dvp;
 	tvp = tondp->ni_vp;
 	if (tvp != NULL) {
 		if (fvp->v_type == VDIR && tvp->v_type != VDIR) {
 			error = (nd->nd_flag & ND_NFSV2) ? EISDIR : EEXIST;
 			goto out;
 		} else if (fvp->v_type != VDIR && tvp->v_type == VDIR) {
 			error = (nd->nd_flag & ND_NFSV2) ? ENOTDIR : EEXIST;
 			goto out;
 		}
 		if (tvp->v_type == VDIR && tvp->v_mountedhere) {
 			error = (nd->nd_flag & ND_NFSV2) ? ENOTEMPTY : EXDEV;
 			goto out;
 		}
 
 		/*
 		 * A rename to '.' or '..' results in a prematurely
 		 * unlocked vnode on FreeBSD5, so I'm just going to fail that
 		 * here.
 		 */
 		if ((tondp->ni_cnd.cn_namelen == 1 &&
 		     tondp->ni_cnd.cn_nameptr[0] == '.') ||
 		    (tondp->ni_cnd.cn_namelen == 2 &&
 		     tondp->ni_cnd.cn_nameptr[0] == '.' &&
 		     tondp->ni_cnd.cn_nameptr[1] == '.')) {
 			error = EINVAL;
 			goto out;
 		}
 	}
 	if (fvp->v_type == VDIR && fvp->v_mountedhere) {
 		error = (nd->nd_flag & ND_NFSV2) ? ENOTEMPTY : EXDEV;
 		goto out;
 	}
 	if (fvp->v_mount != tdvp->v_mount) {
 		error = (nd->nd_flag & ND_NFSV2) ? ENOTEMPTY : EXDEV;
 		goto out;
 	}
 	if (fvp == tdvp) {
 		error = (nd->nd_flag & ND_NFSV2) ? ENOTEMPTY : EINVAL;
 		goto out;
 	}
 	if (fvp == tvp) {
 		/*
 		 * If source and destination are the same, there is
 		 * nothing to do. Set error to EJUSTRETURN to indicate
 		 * this.
 		 */
 		error = EJUSTRETURN;
 		goto out;
 	}
 	if (nd->nd_flag & ND_NFSV4) {
 		if (NFSVOPLOCK(fvp, LK_EXCLUSIVE) == 0) {
 			if (nfsrv_recalldeleg || (nd->nd_flag & ND_NFSV41) == 0)
 				error = nfsrv_checkremove(fvp, 0, NULL,
 				    (nfsquad_t)((u_quad_t)0), p);
 			else
 				error = nfsrv_checkremove(fvp, 0, NULL,
 				    nd->nd_clientid, p);
 			NFSVOPUNLOCK(fvp);
 		} else
 			error = EPERM;
 		if (tvp && !error) {
 			if (nfsrv_recalldeleg || (nd->nd_flag & ND_NFSV41) == 0)
 				error = nfsrv_checkremove(tvp, 1, NULL,
 				    (nfsquad_t)((u_quad_t)0), p);
 			else
 				error = nfsrv_checkremove(tvp, 1, NULL,
 				    nd->nd_clientid, p);
 		}
 	} else {
 		/*
 		 * For NFSv2 and NFSv3, try to get rid of the delegation, so
 		 * that the NFSv4 client won't be confused by the rename.
 		 * Since nfsd_recalldelegation() can only be called on an
 		 * unlocked vnode at this point and fvp is the file that will
 		 * still exist after the rename, just do fvp.
 		 */
 		nfsd_recalldelegation(fvp, p);
 	}
 	if (error == 0 && tvp != NULL) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			error = nfsvno_getfh(tvp, &fh2, p);
 		if (error == 0)
 			nfsrv_pnfsremovesetup(tvp, p, dsdvp, &mirrorcnt, fname,
 			    &fh);
 		NFSD_DEBUG(4, "nfsvno_rename: pnfsremovesetup"
 		    " dsdvp=%p\n", dsdvp[0]);
 	}
 out:
 	mp = NULL;
 	if (error == 0) {
 		error = VOP_GETWRITEMOUNT(tondp->ni_dvp, &mp);
 		if (error == 0) {
 			if (mp == NULL) {
 				error = ENOENT;
 			} else {
 				error = lockmgr(&mp->mnt_renamelock,
 				    LK_EXCLUSIVE | LK_NOWAIT, NULL);
 				if (error != 0)
 					error = ERELOOKUP;
 			}
 		}
 	}
 	if (error == 0) {
 		error = VOP_RENAME(fromndp->ni_dvp, fromndp->ni_vp,
 		    &fromndp->ni_cnd, tondp->ni_dvp, tondp->ni_vp,
 		    &tondp->ni_cnd);
 		lockmgr(&mp->mnt_renamelock, LK_RELEASE, 0);
 		vfs_rel(mp);
 	} else {
 		if (tdvp == tvp)
 			vrele(tdvp);
 		else
 			vput(tdvp);
 		if (tvp)
 			vput(tvp);
 		vrele(fromndp->ni_dvp);
 		vrele(fvp);
 		if (error == EJUSTRETURN) {
 			error = 0;
 		} else if (error == ERELOOKUP && mp != NULL) {
 			lockmgr(&mp->mnt_renamelock, LK_EXCLUSIVE, 0);
 			lockmgr(&mp->mnt_renamelock, LK_RELEASE, 0);
 			vfs_rel(mp);
 		}
 	}
 
 	/*
 	 * If dsdvp[0] != NULL, it was set up by nfsrv_pnfsremovesetup() and
 	 * if the rename succeeded, the DS file for the tvp needs to be
 	 * removed.
 	 */
 	if (error == 0 && dsdvp[0] != NULL) {
 		nfsrv_pnfsremove(dsdvp, mirrorcnt, fname, &fh, p);
 		NFSD_DEBUG(4, "nfsvno_rename: pnfsremove\n");
 	}
 
 	/* Use ret to determine if the file still exists. */
 	if ((nd->nd_flag & ND_NFSV41) != 0 && error == 0) {
 		mp = vfs_busyfs(&fh2.fh_fsid);
 		if (mp != NULL) {
 			/* Find out if the file still exists. */
 			ret = VFS_FHTOVP(mp, &fh2.fh_fid, LK_SHARED, &newvp);
 			if (ret == 0)
 				vput(newvp);
 			else
 				ret = ESTALE;
 			vfs_unbusy(mp);
 		} else {
 			ret = ESTALE;
 		}
 		if (ret == ESTALE) {
 			/* Get rid of any delegation. */
 			nfsrv_removedeleg(&fh2, nd, p);
 		}
 	}
 
 	nfsvno_relpathbuf(tondp);
 out1:
 	nfsvno_relpathbuf(fromndp);
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Link vnode op.
  */
 int
 nfsvno_link(struct nameidata *ndp, struct vnode *vp, nfsquad_t clientid,
     struct ucred *cred, struct thread *p, struct nfsexstuff *exp)
 {
 	struct vnode *xp;
 	int error = 0;
 
 	xp = ndp->ni_vp;
 	if (xp != NULL) {
 		error = EEXIST;
 	} else {
 		xp = ndp->ni_dvp;
 		if (vp->v_mount != xp->v_mount)
 			error = EXDEV;
 	}
 	if (!error) {
 		NFSVOPLOCK(vp, LK_EXCLUSIVE | LK_RETRY);
 		if (!VN_IS_DOOMED(vp)) {
 			error = nfsrv_checkremove(vp, 0, NULL, clientid, p);
 			if (error == 0)
 				error = VOP_LINK(ndp->ni_dvp, vp, &ndp->ni_cnd);
 		} else
 			error = EPERM;
 		if (ndp->ni_dvp == vp) {
 			vrele(ndp->ni_dvp);
 			NFSVOPUNLOCK(vp);
 		} else {
 			vref(vp);
 			VOP_VPUT_PAIR(ndp->ni_dvp, &vp, true);
 		}
 	} else {
 		if (ndp->ni_dvp == ndp->ni_vp)
 			vrele(ndp->ni_dvp);
 		else
 			vput(ndp->ni_dvp);
 		if (ndp->ni_vp)
 			vrele(ndp->ni_vp);
 	}
 	nfsvno_relpathbuf(ndp);
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Do the fsync() appropriate for the commit.
  */
 int
 nfsvno_fsync(struct vnode *vp, u_int64_t off, int cnt, struct ucred *cred,
     struct thread *td)
 {
 	int error = 0;
 
 	/*
 	 * RFC 1813 3.3.21: if count is 0, a flush from offset to the end of
 	 * file is done.  At this time VOP_FSYNC does not accept offset and
 	 * byte count parameters so call VOP_FSYNC the whole file for now.
 	 * The same is true for NFSv4: RFC 3530 Sec. 14.2.3.
 	 * File systems that do not use the buffer cache (as indicated
 	 * by MNTK_USES_BCACHE not being set) must use VOP_FSYNC().
 	 */
 	if (cnt == 0 || cnt > MAX_COMMIT_COUNT ||
 	    (vp->v_mount->mnt_kern_flag & MNTK_USES_BCACHE) == 0) {
 		/*
 		 * Give up and do the whole thing
 		 */
 		vnode_pager_clean_sync(vp);
 		error = VOP_FSYNC(vp, MNT_WAIT, td);
 	} else {
 		/*
 		 * Locate and synchronously write any buffers that fall
 		 * into the requested range.  Note:  we are assuming that
 		 * f_iosize is a power of 2.
 		 */
 		int iosize = vp->v_mount->mnt_stat.f_iosize;
 		int iomask = iosize - 1;
 		struct bufobj *bo;
 		daddr_t lblkno;
 
 		/*
 		 * Align to iosize boundary, super-align to page boundary.
 		 */
 		if (off & iomask) {
 			cnt += off & iomask;
 			off &= ~(u_quad_t)iomask;
 		}
 		if (off & PAGE_MASK) {
 			cnt += off & PAGE_MASK;
 			off &= ~(u_quad_t)PAGE_MASK;
 		}
 		lblkno = off / iosize;
 
 		if (vp->v_object && vm_object_mightbedirty(vp->v_object)) {
 			VM_OBJECT_WLOCK(vp->v_object);
 			vm_object_page_clean(vp->v_object, off, off + cnt,
 			    OBJPC_SYNC);
 			VM_OBJECT_WUNLOCK(vp->v_object);
 		}
 
 		bo = &vp->v_bufobj;
 		BO_LOCK(bo);
 		while (cnt > 0) {
 			struct buf *bp;
 
 			/*
 			 * If we have a buffer and it is marked B_DELWRI we
 			 * have to lock and write it.  Otherwise the prior
 			 * write is assumed to have already been committed.
 			 *
 			 * gbincore() can return invalid buffers now so we
 			 * have to check that bit as well (though B_DELWRI
 			 * should not be set if B_INVAL is set there could be
 			 * a race here since we haven't locked the buffer).
 			 */
 			if ((bp = gbincore(&vp->v_bufobj, lblkno)) != NULL) {
 				if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_SLEEPFAIL |
 				    LK_INTERLOCK, BO_LOCKPTR(bo)) == ENOLCK) {
 					BO_LOCK(bo);
 					continue; /* retry */
 				}
 			    	if ((bp->b_flags & (B_DELWRI|B_INVAL)) ==
 				    B_DELWRI) {
 					bremfree(bp);
 					bp->b_flags &= ~B_ASYNC;
 					bwrite(bp);
 					++nfs_commit_miss;
 				} else
 					BUF_UNLOCK(bp);
 				BO_LOCK(bo);
 			}
 			++nfs_commit_blks;
 			if (cnt < iosize)
 				break;
 			cnt -= iosize;
 			++lblkno;
 		}
 		BO_UNLOCK(bo);
 	}
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Statfs vnode op.
  */
 int
 nfsvno_statfs(struct vnode *vp, struct statfs *sf)
 {
 	struct statfs *tsf;
 	int error;
 
 	tsf = NULL;
 	if (nfsrv_devidcnt > 0) {
 		/* For a pNFS service, get the DS numbers. */
 		tsf = malloc(sizeof(*tsf), M_TEMP, M_WAITOK | M_ZERO);
 		error = nfsrv_pnfsstatfs(tsf, vp->v_mount);
 		if (error != 0) {
 			free(tsf, M_TEMP);
 			tsf = NULL;
 		}
 	}
 	error = VFS_STATFS(vp->v_mount, sf);
 	if (error == 0) {
 		if (tsf != NULL) {
 			sf->f_blocks = tsf->f_blocks;
 			sf->f_bavail = tsf->f_bavail;
 			sf->f_bfree = tsf->f_bfree;
 			sf->f_bsize = tsf->f_bsize;
 		}
 		/*
 		 * Since NFS handles these values as unsigned on the
 		 * wire, there is no way to represent negative values,
 		 * so set them to 0. Without this, they will appear
 		 * to be very large positive values for clients like
 		 * Solaris10.
 		 */
 		if (sf->f_bavail < 0)
 			sf->f_bavail = 0;
 		if (sf->f_ffree < 0)
 			sf->f_ffree = 0;
 	}
 	free(tsf, M_TEMP);
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Do the vnode op stuff for Open. Similar to nfsvno_createsub(), but
  * must handle nfsrv_opencheck() calls after any other access checks.
  */
 void
 nfsvno_open(struct nfsrv_descript *nd, struct nameidata *ndp,
     nfsquad_t clientid, nfsv4stateid_t *stateidp, struct nfsstate *stp,
     int *exclusive_flagp, struct nfsvattr *nvap, int32_t *cverf, int create,
     NFSACL_T *aclp, nfsattrbit_t *attrbitp, struct ucred *cred, bool done_namei,
     struct nfsexstuff *exp, struct vnode **vpp)
 {
 	struct vnode *vp = NULL;
 	u_quad_t tempsize;
 	struct nfsexstuff nes;
 	struct thread *p = curthread;
 	uint32_t oldrepstat;
 
 	if (ndp->ni_vp == NULL) {
 		/*
 		 * If nfsrv_opencheck() sets nd_repstat, done_namei needs to be
 		 * set true, since cleanup after nfsvno_namei() is needed.
 		 */
 		oldrepstat = nd->nd_repstat;
 		nd->nd_repstat = nfsrv_opencheck(clientid,
 		    stateidp, stp, NULL, nd, p, nd->nd_repstat);
 		if (nd->nd_repstat != 0 && oldrepstat == 0)
 			done_namei = true;
 	}
 	if (!nd->nd_repstat) {
 		if (ndp->ni_vp == NULL) {
 			nd->nd_repstat = VOP_CREATE(ndp->ni_dvp,
 			    &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);
 			/* For a pNFS server, create the data file on a DS. */
 			if (nd->nd_repstat == 0) {
 				/*
 				 * Create a data file on a DS for a pNFS server.
 				 * This function just returns if not
 				 * running a pNFS DS or the creation fails.
 				 */
 				nfsrv_pnfscreate(ndp->ni_vp, &nvap->na_vattr,
 				    cred, p);
 			}
 			VOP_VPUT_PAIR(ndp->ni_dvp, nd->nd_repstat == 0 ?
 			    &ndp->ni_vp : NULL, false);
 			nfsvno_relpathbuf(ndp);
 			if (!nd->nd_repstat) {
 				if (*exclusive_flagp) {
 					*exclusive_flagp = 0;
 					NFSVNO_ATTRINIT(nvap);
 					nvap->na_atime.tv_sec = cverf[0];
 					nvap->na_atime.tv_nsec = cverf[1];
 					nd->nd_repstat = VOP_SETATTR(ndp->ni_vp,
 					    &nvap->na_vattr, cred);
 					if (nd->nd_repstat != 0) {
 						vput(ndp->ni_vp);
 						ndp->ni_vp = NULL;
 						nd->nd_repstat = NFSERR_NOTSUPP;
 					} else
 						NFSSETBIT_ATTRBIT(attrbitp,
 						    NFSATTRBIT_TIMEACCESS);
 				} else {
 					nfsrv_fixattr(nd, ndp->ni_vp, nvap,
 					    aclp, p, attrbitp, exp);
 				}
 			}
 			vp = ndp->ni_vp;
 		} else {
 			nfsvno_relpathbuf(ndp);
 			vp = ndp->ni_vp;
 			if (create == NFSV4OPEN_CREATE) {
 				if (ndp->ni_dvp == vp)
 					vrele(ndp->ni_dvp);
 				else
 					vput(ndp->ni_dvp);
 			}
 			if (NFSVNO_ISSETSIZE(nvap) && vp->v_type == VREG) {
 				if (ndp->ni_cnd.cn_flags & RDONLY)
 					NFSVNO_SETEXRDONLY(&nes);
 				else
 					NFSVNO_EXINIT(&nes);
 				nd->nd_repstat = nfsvno_accchk(vp, 
 				    VWRITE, cred, &nes, p,
 				    NFSACCCHK_NOOVERRIDE,
 				    NFSACCCHK_VPISLOCKED, NULL);
 				nd->nd_repstat = nfsrv_opencheck(clientid,
 				    stateidp, stp, vp, nd, p, nd->nd_repstat);
 				if (!nd->nd_repstat) {
 					tempsize = nvap->na_size;
 					NFSVNO_ATTRINIT(nvap);
 					nvap->na_size = tempsize;
 					nd->nd_repstat = nfsvno_setattr(vp,
 					    nvap, cred, p, exp);
 				}
 			} else if (vp->v_type == VREG) {
 				nd->nd_repstat = nfsrv_opencheck(clientid,
 				    stateidp, stp, vp, nd, p, nd->nd_repstat);
 			}
 		}
 	} else if (done_namei) {
 		KASSERT(create == NFSV4OPEN_CREATE,
 		    ("nfsvno_open: not create"));
 		/*
 		 * done_namei is set when nfsvno_namei() has completed
 		 * successfully, but a subsequent error was set in
 		 * nd_repstat.  As such, cleanup of the nfsvno_namei()
 		 * results is required.
 		 */
 		nfsvno_relpathbuf(ndp);
 		if (ndp->ni_dvp == ndp->ni_vp)
 			vrele(ndp->ni_dvp);
 		else
 			vput(ndp->ni_dvp);
 		if (ndp->ni_vp)
 			vput(ndp->ni_vp);
 	}
 	*vpp = vp;
 
 	NFSEXITCODE2(0, nd);
 }
 
 /*
  * Updates the file rev and sets the mtime and ctime
  * to the current clock time, returning the va_filerev and va_Xtime
  * values.
  * Return ESTALE to indicate the vnode is VIRF_DOOMED.
  */
 int
 nfsvno_updfilerev(struct vnode *vp, struct nfsvattr *nvap,
     struct nfsrv_descript *nd, struct thread *p)
 {
 	struct vattr va;
 
 	VATTR_NULL(&va);
 	vfs_timestamp(&va.va_mtime);
 	if (NFSVOPISLOCKED(vp) != LK_EXCLUSIVE) {
 		NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY);
 		if (VN_IS_DOOMED(vp))
 			return (ESTALE);
 	}
 	(void) VOP_SETATTR(vp, &va, nd->nd_cred);
 	(void) nfsvno_getattr(vp, nvap, nd, p, 1, NULL);
 	return (0);
 }
 
 /*
  * Glue routine to nfsv4_fillattr().
  */
 int
 nfsvno_fillattr(struct nfsrv_descript *nd, struct mount *mp, struct vnode *vp,
     struct nfsvattr *nvap, fhandle_t *fhp, int rderror, nfsattrbit_t *attrbitp,
     struct ucred *cred, struct thread *p, int isdgram, int reterr,
     int supports_nfsv4acls, int at_root, uint64_t mounted_on_fileno,
     bool xattrsupp, bool has_hiddensystem, bool has_namedattr,
     uint32_t clone_blksize)
 {
 	struct statfs *sf;
 	int error;
 
 	sf = NULL;
 	if (nfsrv_devidcnt > 0 &&
 	    (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SPACEAVAIL) ||
 	     NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SPACEFREE) ||
 	     NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SPACETOTAL))) {
 		sf = malloc(sizeof(*sf), M_TEMP, M_WAITOK | M_ZERO);
 		error = nfsrv_pnfsstatfs(sf, mp);
 		if (error != 0) {
 			free(sf, M_TEMP);
 			sf = NULL;
 		}
 	}
 
 	error = nfsv4_fillattr(nd, mp, vp, NULL, &nvap->na_vattr, fhp, rderror,
 	    attrbitp, cred, p, isdgram, reterr, supports_nfsv4acls, at_root,
 	    mounted_on_fileno, sf, xattrsupp, has_hiddensystem, has_namedattr,
 	    clone_blksize);
 	free(sf, M_TEMP);
 	NFSEXITCODE2(0, nd);
 	return (error);
 }
 
 /*
  * Convert a dirent d_type to a vnode type.
  */
 static void nfs_dtypetovtype(struct nfsvattr *nvap, struct vnode *vp,
     uint8_t dtype)
 {
 
 	if ((vn_irflag_read(vp) & VIRF_NAMEDDIR) != 0) {
 		nvap->na_type = VREG;
 		nvap->na_bsdflags |= SFBSD_NAMEDATTR;
 	} else if (dtype <= DT_WHT) {
 		nvap->na_type = dtype_to_vnode[dtype];
 	} else {
 		nvap->na_type = VNON;
 	}
 }
 
 /* Since the Readdir vnode ops vary, put the entire functions in here. */
 /*
  * nfs readdir service
  * - mallocs what it thinks is enough to read
  *	count rounded up to a multiple of DIRBLKSIZ <= NFS_MAXREADDIR
  * - calls VOP_READDIR()
  * - loops around building the reply
  *	if the output generated exceeds count break out of loop
  *	The NFSM_CLGET macro is used here so that the reply will be packed
  *	tightly in mbuf clusters.
  * - it trims out records with d_fileno == 0
  *	this doesn't matter for Unix clients, but they might confuse clients
  *	for other os'.
  * - it trims out records with d_type == DT_WHT
  *	these cannot be seen through NFS (unless we extend the protocol)
  *     The alternate call nfsrvd_readdirplus() does lookups as well.
  * PS: The NFS protocol spec. does not clarify what the "count" byte
  *	argument is a count of.. just name strings and file id's or the
  *	entire reply rpc or ...
  *	I tried just file name and id sizes and it confused the Sun client,
  *	so I am using the full rpc size now. The "paranoia.." comment refers
  *	to including the status longwords that are not a part of the dir.
  *	"entry" structures, but are in the rpc.
  */
 int
 nfsrvd_readdir(struct nfsrv_descript *nd, int isdgram,
     struct vnode *vp, struct nfsexstuff *exp)
 {
 	struct dirent *dp;
 	u_int32_t *tl;
 	int dirlen;
 	char *cpos, *cend, *rbuf;
 	struct nfsvattr at;
 	int nlen, error = 0, getret = 1;
 	int siz, cnt, fullsiz, eofflag, ncookies;
 	u_int64_t off, toff, verf __unused;
 	uint64_t *cookies = NULL, *cookiep;
 	struct uio io;
 	struct iovec iv;
 	int is_ufs;
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 	if (nd->nd_flag & ND_NFSV2) {
 		NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		off = fxdr_unsigned(u_quad_t, *tl++);
 	} else {
 		NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 		off = fxdr_hyper(tl);
 		tl += 2;
 		verf = fxdr_hyper(tl);
 		tl += 2;
 	}
 	toff = off;
 	cnt = fxdr_unsigned(int, *tl);
 	if (cnt > NFS_SRVMAXDATA(nd) || cnt < 0)
 		cnt = NFS_SRVMAXDATA(nd);
 	siz = ((cnt + DIRBLKSIZ - 1) & ~(DIRBLKSIZ - 1));
 	fullsiz = siz;
 	if (nd->nd_flag & ND_NFSV3) {
 		nd->nd_repstat = getret = nfsvno_getattr(vp, &at, nd, p, 1,
 		    NULL);
 #if 0
 		/*
 		 * va_filerev is not sufficient as a cookie verifier,
 		 * since it is not supposed to change when entries are
 		 * removed/added unless that offset cookies returned to
 		 * the client are no longer valid.
 		 */
 		if (!nd->nd_repstat && toff && verf != at.na_filerev)
 			nd->nd_repstat = NFSERR_BAD_COOKIE;
 #endif
 	}
 	if (!nd->nd_repstat && vp->v_type != VDIR)
 		nd->nd_repstat = NFSERR_NOTDIR;
 	if (nd->nd_repstat == 0 && cnt == 0) {
 		if (nd->nd_flag & ND_NFSV2)
 			/* NFSv2 does not have NFSERR_TOOSMALL */
 			nd->nd_repstat = EPERM;
 		else
 			nd->nd_repstat = NFSERR_TOOSMALL;
 	}
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsvno_accchk(vp, VEXEC,
 		    nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE,
 		    NFSACCCHK_VPISLOCKED, NULL);
 	if (nd->nd_repstat) {
 		vput(vp);
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 	is_ufs = strcmp(vp->v_mount->mnt_vfc->vfc_name, "ufs") == 0;
 	rbuf = malloc(siz, M_TEMP, M_WAITOK);
 again:
 	eofflag = 0;
 	if (cookies) {
 		free(cookies, M_TEMP);
 		cookies = NULL;
 	}
 
 	iv.iov_base = rbuf;
 	iv.iov_len = siz;
 	io.uio_iov = &iv;
 	io.uio_iovcnt = 1;
 	io.uio_offset = (off_t)off;
 	io.uio_resid = siz;
 	io.uio_segflg = UIO_SYSSPACE;
 	io.uio_rw = UIO_READ;
 	io.uio_td = NULL;
 	nd->nd_repstat = VOP_READDIR(vp, &io, nd->nd_cred, &eofflag, &ncookies,
 	    &cookies);
 	off = (u_int64_t)io.uio_offset;
 	if (io.uio_resid)
 		siz -= io.uio_resid;
 
 	if (!cookies && !nd->nd_repstat)
 		nd->nd_repstat = NFSERR_PERM;
 	if (nd->nd_flag & ND_NFSV3) {
 		getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
 		if (!nd->nd_repstat)
 			nd->nd_repstat = getret;
 	}
 
 	/*
 	 * Handles the failed cases. nd->nd_repstat == 0 past here.
 	 */
 	if (nd->nd_repstat) {
 		vput(vp);
 		free(rbuf, M_TEMP);
 		if (cookies)
 			free(cookies, M_TEMP);
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 	/*
 	 * If nothing read, return eof
 	 * rpc reply
 	 */
 	if (siz == 0) {
 		vput(vp);
 		if (nd->nd_flag & ND_NFSV2) {
 			NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		} else {
 			nfsrv_postopattr(nd, getret, &at);
 			NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 			txdr_hyper(at.na_filerev, tl);
 			tl += 2;
 		}
 		*tl++ = newnfs_false;
 		*tl = newnfs_true;
 		free(rbuf, M_TEMP);
 		free(cookies, M_TEMP);
 		goto out;
 	}
 
 	/*
 	 * Check for degenerate cases of nothing useful read.
 	 * If so go try again
 	 */
 	cpos = rbuf;
 	cend = rbuf + siz;
 	dp = (struct dirent *)cpos;
 	cookiep = cookies;
 
 	/*
 	 * For some reason FreeBSD's ufs_readdir() chooses to back the
 	 * directory offset up to a block boundary, so it is necessary to
 	 * skip over the records that precede the requested offset. This
 	 * requires the assumption that file offset cookies monotonically
 	 * increase.
 	 */
 	while (cpos < cend && ncookies > 0 &&
 	    (dp->d_fileno == 0 || dp->d_type == DT_WHT ||
 	     (is_ufs == 1 && ((u_quad_t)(*cookiep)) <= toff))) {
 		cpos += dp->d_reclen;
 		dp = (struct dirent *)cpos;
 		cookiep++;
 		ncookies--;
 	}
 	if (cpos >= cend || ncookies == 0) {
 		siz = fullsiz;
 		toff = off;
 		goto again;
 	}
 	vput(vp);
 
 	/*
 	 * If cnt > MCLBYTES and the reply will not be saved, use
 	 * ext_pgs mbufs for TLS.
 	 * For NFSv4.0, we do not know for sure if the reply will
 	 * be saved, so do not use ext_pgs mbufs for NFSv4.0.
 	 */
 	if (cnt > MCLBYTES && siz > MCLBYTES &&
 	    (nd->nd_flag & (ND_TLS | ND_EXTPG | ND_SAVEREPLY)) == ND_TLS &&
 	    (nd->nd_flag & (ND_NFSV4 | ND_NFSV41)) != ND_NFSV4)
 		nd->nd_flag |= ND_EXTPG;
 
 	/*
 	 * dirlen is the size of the reply, including all XDR and must
 	 * not exceed cnt. For NFSv2, RFC1094 didn't clearly indicate
 	 * if the XDR should be included in "count", but to be safe, we do.
 	 * (Include the two booleans at the end of the reply in dirlen now.)
 	 */
 	if (nd->nd_flag & ND_NFSV3) {
 		nfsrv_postopattr(nd, getret, &at);
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		txdr_hyper(at.na_filerev, tl);
 		dirlen = NFSX_V3POSTOPATTR + NFSX_VERF + 2 * NFSX_UNSIGNED;
 	} else {
 		dirlen = 2 * NFSX_UNSIGNED;
 	}
 
 	/* Loop through the records and build reply */
 	while (cpos < cend && ncookies > 0) {
 		nlen = dp->d_namlen;
 		if (dp->d_fileno != 0 && dp->d_type != DT_WHT &&
 			nlen <= NFS_MAXNAMLEN) {
 			if (nd->nd_flag & ND_NFSV3)
 				dirlen += (6*NFSX_UNSIGNED + NFSM_RNDUP(nlen));
 			else
 				dirlen += (4*NFSX_UNSIGNED + NFSM_RNDUP(nlen));
 			if (dirlen > cnt) {
 				eofflag = 0;
 				break;
 			}
 
 			/*
 			 * Build the directory record xdr from
 			 * the dirent entry.
 			 */
 			if (nd->nd_flag & ND_NFSV3) {
 				NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 				*tl++ = newnfs_true;
 				txdr_hyper(dp->d_fileno, tl);
 			} else {
 				NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 				*tl++ = newnfs_true;
 				*tl = txdr_unsigned(dp->d_fileno);
 			}
 			(void) nfsm_strtom(nd, dp->d_name, nlen);
 			if (nd->nd_flag & ND_NFSV3) {
 				NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 				txdr_hyper(*cookiep, tl);
 			} else {
 				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 				*tl = txdr_unsigned(*cookiep);
 			}
 		}
 		cpos += dp->d_reclen;
 		dp = (struct dirent *)cpos;
 		cookiep++;
 		ncookies--;
 	}
 	if (cpos < cend)
 		eofflag = 0;
 	NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 	*tl++ = newnfs_false;
 	if (eofflag)
 		*tl = newnfs_true;
 	else
 		*tl = newnfs_false;
 	free(rbuf, M_TEMP);
 	free(cookies, M_TEMP);
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * Readdirplus for V3 and Readdir for V4.
  */
 int
 nfsrvd_readdirplus(struct nfsrv_descript *nd, int isdgram,
     struct vnode *vp, struct nfsexstuff *exp)
 {
 	struct dirent *dp;
 	uint32_t clone_blksize, *tl;
 	int dirlen;
 	char *cpos, *cend, *rbuf;
 	struct vnode *nvp;
 	fhandle_t nfh;
 	struct nfsvattr nva, at, *nvap = &nva;
 	struct mbuf *mb0, *mb1;
 	struct nfsreferral *refp;
 	int nlen, r, error = 0, getret = 1, ret, usevget = 1;
 	int siz, cnt, fullsiz, eofflag, ncookies, entrycnt;
 	caddr_t bpos0, bpos1;
 	u_int64_t off, toff, verf __unused;
 	uint64_t *cookies = NULL, *cookiep;
 	nfsattrbit_t attrbits, rderrbits, savbits, refbits;
 	struct uio io;
 	struct iovec iv;
 	struct componentname cn;
 	int at_root, is_ufs, is_zfs, needs_unbusy, supports_nfsv4acls;
 	struct mount *mp, *new_mp;
 	uint64_t mounted_on_fileno;
 	struct thread *p = curthread;
 	int bextpg0, bextpg1, bextpgsiz0, bextpgsiz1;
 	size_t atsiz;
 	long pathval;
 	bool has_hiddensystem, has_namedattr, xattrsupp;
 
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 	NFSM_DISSECT(tl, u_int32_t *, 6 * NFSX_UNSIGNED);
 	off = fxdr_hyper(tl);
 	toff = off;
 	tl += 2;
 	verf = fxdr_hyper(tl);
 	tl += 2;
 	siz = fxdr_unsigned(int, *tl++);
 	cnt = fxdr_unsigned(int, *tl);
 
 	/*
 	 * Use the server's maximum data transfer size as the upper bound
 	 * on reply datalen.
 	 */
 	if (cnt > NFS_SRVMAXDATA(nd) || cnt < 0)
 		cnt = NFS_SRVMAXDATA(nd);
 
 	/*
 	 * siz is a "hint" of how much directory information (name, fileid,
 	 * cookie) should be in the reply. At least one client "hints" 0,
 	 * so I set it to cnt for that case. I also round it up to the
 	 * next multiple of DIRBLKSIZ.
 	 * Since the size of a Readdirplus directory entry reply will always
 	 * be greater than a directory entry returned by VOP_READDIR(), it
 	 * does not make sense to read more than NFS_SRVMAXDATA() via
 	 * VOP_READDIR().
 	 */
 	if (siz <= 0)
 		siz = cnt;
 	else if (siz > NFS_SRVMAXDATA(nd))
 		siz = NFS_SRVMAXDATA(nd);
 	siz = ((siz + DIRBLKSIZ - 1) & ~(DIRBLKSIZ - 1));
 
 	if (nd->nd_flag & ND_NFSV4) {
 		error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 		if (error)
 			goto nfsmout;
 		NFSSET_ATTRBIT(&savbits, &attrbits);
 		NFSSET_ATTRBIT(&refbits, &attrbits);
 		NFSCLRNOTFILLABLE_ATTRBIT(&attrbits, nd);
 		NFSZERO_ATTRBIT(&rderrbits);
 		NFSSETBIT_ATTRBIT(&rderrbits, NFSATTRBIT_RDATTRERROR);
 		/*
 		 * If these 4 bits are the only attributes requested by the
 		 * client, they can be satisfied without acquiring the vnode
 		 * for the file object unless it is a directory.
 		 * This will be indicated by savbits being all 0s.
 		 */
 		NFSCLRBIT_ATTRBIT(&savbits, NFSATTRBIT_TYPE);
 		NFSCLRBIT_ATTRBIT(&savbits, NFSATTRBIT_FILEID);
 		NFSCLRBIT_ATTRBIT(&savbits, NFSATTRBIT_MOUNTEDONFILEID);
 		NFSCLRBIT_ATTRBIT(&savbits, NFSATTRBIT_RDATTRERROR);
 	} else {
 		NFSZERO_ATTRBIT(&attrbits);
 	}
 	fullsiz = siz;
 	nd->nd_repstat = getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
 #if 0
 	if (!nd->nd_repstat) {
 	    if (off && verf != at.na_filerev) {
 		/*
 		 * va_filerev is not sufficient as a cookie verifier,
 		 * since it is not supposed to change when entries are
 		 * removed/added unless that offset cookies returned to
 		 * the client are no longer valid.
 		 */
 		if (nd->nd_flag & ND_NFSV4) {
 			nd->nd_repstat = NFSERR_NOTSAME;
 		} else {
 			nd->nd_repstat = NFSERR_BAD_COOKIE;
 		}
 	    }
 	}
 #endif
 	if (!nd->nd_repstat && vp->v_type != VDIR)
 		nd->nd_repstat = NFSERR_NOTDIR;
 	if (!nd->nd_repstat && cnt == 0)
 		nd->nd_repstat = NFSERR_TOOSMALL;
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsvno_accchk(vp, VEXEC,
 		    nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE,
 		    NFSACCCHK_VPISLOCKED, NULL);
 	if (nd->nd_repstat) {
 		vput(vp);
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 	is_ufs = strcmp(vp->v_mount->mnt_vfc->vfc_name, "ufs") == 0;
 	is_zfs = strcmp(vp->v_mount->mnt_vfc->vfc_name, "zfs") == 0;
 
 	rbuf = malloc(siz, M_TEMP, M_WAITOK);
 again:
 	eofflag = 0;
 	if (cookies) {
 		free(cookies, M_TEMP);
 		cookies = NULL;
 	}
 
 	iv.iov_base = rbuf;
 	iv.iov_len = siz;
 	io.uio_iov = &iv;
 	io.uio_iovcnt = 1;
 	io.uio_offset = (off_t)off;
 	io.uio_resid = siz;
 	io.uio_segflg = UIO_SYSSPACE;
 	io.uio_rw = UIO_READ;
 	io.uio_td = NULL;
 	nd->nd_repstat = VOP_READDIR(vp, &io, nd->nd_cred, &eofflag, &ncookies,
 	    &cookies);
 	off = (u_int64_t)io.uio_offset;
 	if (io.uio_resid)
 		siz -= io.uio_resid;
 
 	getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
 
 	if (!cookies && !nd->nd_repstat)
 		nd->nd_repstat = NFSERR_PERM;
 	if (!nd->nd_repstat)
 		nd->nd_repstat = getret;
 	if (nd->nd_repstat) {
 		vput(vp);
 		if (cookies)
 			free(cookies, M_TEMP);
 		free(rbuf, M_TEMP);
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 	/*
 	 * If nothing read, return eof
 	 * rpc reply
 	 */
 	if (siz == 0) {
 ateof:
 		vput(vp);
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_postopattr(nd, getret, &at);
 		NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 		txdr_hyper(at.na_filerev, tl);
 		tl += 2;
 		*tl++ = newnfs_false;
 		*tl = newnfs_true;
 		free(cookies, M_TEMP);
 		free(rbuf, M_TEMP);
 		goto out;
 	}
 
 	/*
 	 * Check for degenerate cases of nothing useful read.
 	 * If so go try again
 	 */
 	cpos = rbuf;
 	cend = rbuf + siz;
 	dp = (struct dirent *)cpos;
 	cookiep = cookies;
 
 	/*
 	 * For some reason FreeBSD's ufs_readdir() chooses to back the
 	 * directory offset up to a block boundary, so it is necessary to
 	 * skip over the records that precede the requested offset. This
 	 * requires the assumption that file offset cookies monotonically
 	 * increase.
 	 */
 	while (cpos < cend && ncookies > 0 &&
 	  (dp->d_fileno == 0 || dp->d_type == DT_WHT ||
 	   (is_ufs == 1 && ((u_quad_t)(*cookiep)) <= toff) ||
 	   ((nd->nd_flag & ND_NFSV4) &&
 	    ((dp->d_namlen == 1 && dp->d_name[0] == '.') ||
 	     (dp->d_namlen==2 && dp->d_name[0]=='.' && dp->d_name[1]=='.'))))) {
 		cpos += dp->d_reclen;
 		dp = (struct dirent *)cpos;
 		cookiep++;
 		ncookies--;
 	}
 	if (cpos >= cend || ncookies == 0) {
 		if (eofflag != 0)
 			goto ateof;
 		siz = fullsiz;
 		toff = off;
 		goto again;
 	}
 
 	/*
 	 * Busy the file system so that the mount point won't go away
 	 * and, as such, VFS_VGET() can be used safely.
 	 */
 	mp = vp->v_mount;
 	vfs_ref(mp);
 	NFSVOPUNLOCK(vp);
 	nd->nd_repstat = vfs_busy(mp, 0);
 	vfs_rel(mp);
 	if (nd->nd_repstat != 0) {
 		vrele(vp);
 		free(cookies, M_TEMP);
 		free(rbuf, M_TEMP);
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 
 	/*
 	 * Check to see if entries in this directory can be safely acquired
 	 * via VFS_VGET() or if a switch to VOP_LOOKUP() is required.
 	 * ZFS snapshot directories need VOP_LOOKUP(), so that any
 	 * automount of the snapshot directory that is required will
 	 * be done.
 	 * This needs to be done here for NFSv4, since NFSv4 never does
 	 * a VFS_VGET() for "." or "..".
 	 */
 	if (is_zfs == 1) {
 		r = VFS_VGET(mp, at.na_fileid, LK_SHARED, &nvp);
 		if (r == EOPNOTSUPP) {
 			usevget = 0;
 			cn.cn_nameiop = LOOKUP;
 			cn.cn_lkflags = LK_SHARED | LK_RETRY;
 			cn.cn_cred = nd->nd_cred;
 		} else if (r == 0)
 			vput(nvp);
 	}
 
 	/*
 	 * If the reply is likely to exceed MCLBYTES and the reply will
 	 * not be saved, use ext_pgs mbufs for TLS.
 	 * It is difficult to predict how large each entry will be and
 	 * how many entries have been read, so just assume the directory
 	 * entries grow by a factor of 4 when attributes are included.
 	 * For NFSv4.0, we do not know for sure if the reply will
 	 * be saved, so do not use ext_pgs mbufs for NFSv4.0.
 	 */
 	if (cnt > MCLBYTES && siz > MCLBYTES / 4 &&
 	    (nd->nd_flag & (ND_TLS | ND_EXTPG | ND_SAVEREPLY)) == ND_TLS &&
 	    (nd->nd_flag & (ND_NFSV4 | ND_NFSV41)) != ND_NFSV4)
 		nd->nd_flag |= ND_EXTPG;
 
 	/*
 	 * Save this position, in case there is an error before one entry
 	 * is created.
 	 */
 	mb0 = nd->nd_mb;
 	bpos0 = nd->nd_bpos;
 	bextpg0 = nd->nd_bextpg;
 	bextpgsiz0 = nd->nd_bextpgsiz;
 
 	/*
 	 * Fill in the first part of the reply.
 	 * dirlen is the reply length in bytes and cannot exceed cnt.
 	 * (Include the two booleans at the end of the reply in dirlen now,
 	 *  so we recognize when we have exceeded cnt.)
 	 */
 	if (nd->nd_flag & ND_NFSV3) {
 		dirlen = NFSX_V3POSTOPATTR + NFSX_VERF + 2 * NFSX_UNSIGNED;
 		nfsrv_postopattr(nd, getret, &at);
 	} else {
 		dirlen = NFSX_VERF + 2 * NFSX_UNSIGNED;
 	}
 	NFSM_BUILD(tl, u_int32_t *, NFSX_VERF);
 	txdr_hyper(at.na_filerev, tl);
 
 	/*
 	 * Save this position, in case there is an empty reply needed.
 	 */
 	mb1 = nd->nd_mb;
 	bpos1 = nd->nd_bpos;
 	bextpg1 = nd->nd_bextpg;
 	bextpgsiz1 = nd->nd_bextpgsiz;
 
 	/* Loop through the records and build reply */
 	entrycnt = 0;
 	while (cpos < cend && ncookies > 0 && dirlen < cnt) {
 		nlen = dp->d_namlen;
 		if (dp->d_fileno != 0 && dp->d_type != DT_WHT &&
 		    nlen <= NFS_MAXNAMLEN &&
 		    ((nd->nd_flag & ND_NFSV3) || nlen > 2 ||
 		     (nlen==2 && (dp->d_name[0]!='.' || dp->d_name[1]!='.'))
 		      || (nlen == 1 && dp->d_name[0] != '.'))) {
 			/*
 			 * Save the current position in the reply, in case
 			 * this entry exceeds cnt.
 			 */
 			mb1 = nd->nd_mb;
 			bpos1 = nd->nd_bpos;
 			bextpg1 = nd->nd_bextpg;
 			bextpgsiz1 = nd->nd_bextpgsiz;
 
 			/*
 			 * For readdir_and_lookup get the vnode using
 			 * the file number.
 			 */
 			nvp = NULL;
 			refp = NULL;
 			r = 0;
 			at_root = 0;
 			needs_unbusy = 0;
 			new_mp = mp;
 			mounted_on_fileno = (uint64_t)dp->d_fileno;
 			if ((nd->nd_flag & ND_NFSV3) ||
 			    NFSNONZERO_ATTRBIT(&savbits) ||
 			    dp->d_type == DT_UNKNOWN ||
 			    (dp->d_type == DT_DIR &&
 			     nfsrv_enable_crossmntpt != 0)) {
 				if (nd->nd_flag & ND_NFSV4)
 					refp = nfsv4root_getreferral(NULL,
 					    vp, dp->d_fileno);
 				if (refp == NULL) {
 					if (usevget)
 						r = VFS_VGET(mp, dp->d_fileno,
 						    LK_SHARED, &nvp);
 					else
 						r = EOPNOTSUPP;
 					if (r == 0 && (vn_irflag_read(vp) &
 					    VIRF_NAMEDDIR) != 0)
 						vn_irflag_set_cond(nvp,
 						    VIRF_NAMEDATTR);
 					if (r == EOPNOTSUPP) {
 						if (usevget) {
 							usevget = 0;
 							cn.cn_nameiop = LOOKUP;
 							cn.cn_lkflags =
 							    LK_SHARED |
 							    LK_RETRY;
 							cn.cn_cred =
 							    nd->nd_cred;
 						}
 						cn.cn_nameptr = dp->d_name;
 						cn.cn_namelen = nlen;
 						cn.cn_flags = ISLASTCN |
 						    NOFOLLOW | LOCKLEAF;
 						if ((vn_irflag_read(vp) &
 						    VIRF_NAMEDDIR) != 0)
 							cn.cn_flags |=
 							    OPENNAMED;
 						if (nlen == 2 &&
 						    dp->d_name[0] == '.' &&
 						    dp->d_name[1] == '.')
 							cn.cn_flags |=
 							    ISDOTDOT;
 						if (NFSVOPLOCK(vp, LK_SHARED)
 						    != 0) {
 							nd->nd_repstat = EPERM;
 							break;
 						}
 						if ((vp->v_vflag & VV_ROOT) != 0
 						    && (cn.cn_flags & ISDOTDOT)
 						    != 0) {
 							vref(vp);
 							nvp = vp;
 							r = 0;
 						} else {
 							r = VOP_LOOKUP(vp, &nvp,
 							    &cn);
 							if (vp != nvp)
 								NFSVOPUNLOCK(vp);
 						}
 					}
 
 					/*
 					 * For NFSv4, check to see if nvp is
 					 * a mount point and get the mount
 					 * point vnode, as required.
 					 */
 					if (r == 0 &&
 					    nfsrv_enable_crossmntpt != 0 &&
 					    (nd->nd_flag & ND_NFSV4) != 0 &&
 					    nvp->v_type == VDIR &&
 					    nvp->v_mountedhere != NULL) {
 						new_mp = nvp->v_mountedhere;
 						r = vfs_busy(new_mp, 0);
 						vput(nvp);
 						nvp = NULL;
 						if (r == 0) {
 							r = VFS_ROOT(new_mp,
 							    LK_SHARED, &nvp);
 							needs_unbusy = 1;
 							if (r == 0)
 								at_root = 1;
 						}
 					}
 				}
 
 				/*
 				 * If we failed to look up the entry, then it
 				 * has become invalid, most likely removed.
 				 */
 				if (r != 0) {
 					if (needs_unbusy)
 						vfs_unbusy(new_mp);
 					goto invalid;
 				}
 				KASSERT(refp != NULL || nvp != NULL,
 				    ("%s: undetected lookup error", __func__));
 
 				if (refp == NULL &&
 				    ((nd->nd_flag & ND_NFSV3) ||
 				     NFSNONZERO_ATTRBIT(&attrbits))) {
 					r = nfsvno_getfh(nvp, &nfh, p);
 					if (!r)
 					    r = nfsvno_getattr(nvp, nvap, nd, p,
 						1, &attrbits);
 					if (r == 0 && is_zfs == 1 &&
 					    nfsrv_enable_crossmntpt != 0 &&
 					    (nd->nd_flag & ND_NFSV4) != 0 &&
 					    nvp->v_type == VDIR &&
 					    vp->v_mount != nvp->v_mount) {
 					    /*
 					     * For a ZFS snapshot, there is a
 					     * pseudo mount that does not set
 					     * v_mountedhere, so it needs to
 					     * be detected via a different
 					     * mount structure.
 					     */
 					    at_root = 1;
 					    if (new_mp == mp)
 						new_mp = nvp->v_mount;
 					}
 				}
 
 				/*
 				 * If we failed to get attributes of the entry,
 				 * then just skip it for NFSv3 (the traditional
 				 * behavior in the old NFS server).
 				 * For NFSv4 the behavior is controlled by
 				 * RDATTRERROR: we either ignore the error or
 				 * fail the request.
 				 * The exception is EOPNOTSUPP, which can be
 				 * returned by nfsvno_getfh() for certain
 				 * file systems, such as devfs.  This indicates
 				 * that the file system cannot be exported,
 				 * so just skip over the entry.
 				 * Note that RDATTRERROR is never set for NFSv3.
 				 */
 				if (r != 0) {
 					if (!NFSISSET_ATTRBIT(&attrbits,
 					    NFSATTRBIT_RDATTRERROR) ||
 					    r == EOPNOTSUPP) {
 						vput(nvp);
 						if (needs_unbusy != 0)
 							vfs_unbusy(new_mp);
 						if ((nd->nd_flag & ND_NFSV3) ||
 						    r == EOPNOTSUPP)
 							goto invalid;
 						nd->nd_repstat = r;
 						break;
 					}
 				}
 			} else if (NFSNONZERO_ATTRBIT(&attrbits)) {
 				/* Only need Type and/or Fileid. */
 				VATTR_NULL(&nvap->na_vattr);
 				nvap->na_fileid = dp->d_fileno;
 				nfs_dtypetovtype(nvap, vp, dp->d_type);
 			}
 
 			/*
 			 * Build the directory record xdr
 			 */
 			if (nd->nd_flag & ND_NFSV3) {
 				NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 				*tl++ = newnfs_true;
 				txdr_hyper(dp->d_fileno, tl);
 				dirlen += nfsm_strtom(nd, dp->d_name, nlen);
 				NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 				txdr_hyper(*cookiep, tl);
 				nfsrv_postopattr(nd, 0, nvap);
 				dirlen += nfsm_fhtom(NULL, nd, (u_int8_t *)&nfh,
 				    0, 1);
 				dirlen += (5*NFSX_UNSIGNED+NFSX_V3POSTOPATTR);
 				if (nvp != NULL)
 					vput(nvp);
 			} else {
 				NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 				*tl++ = newnfs_true;
 				txdr_hyper(*cookiep, tl);
 				dirlen += nfsm_strtom(nd, dp->d_name, nlen);
 				xattrsupp = false;
 				has_hiddensystem = false;
 				has_namedattr = false;
 				clone_blksize = 0;
 				if (nvp != NULL) {
 					supports_nfsv4acls =
 					    nfs_supportsnfsv4acls(nvp);
 					if (NFSISSET_ATTRBIT(&attrbits,
 					    NFSATTRBIT_XATTRSUPPORT)) {
 						ret = VOP_GETEXTATTR(nvp,
 						    EXTATTR_NAMESPACE_USER,
 						    "xxx", NULL, &atsiz,
 						    nd->nd_cred, p);
 						xattrsupp = ret != EOPNOTSUPP;
 					}
 					if (VOP_PATHCONF(nvp,
 					    _PC_HAS_HIDDENSYSTEM, &pathval) !=
 					    0)
 						pathval = 0;
 					has_hiddensystem = pathval > 0;
 					pathval = 0;
 					if (NFSISSET_ATTRBIT(&attrbits,
 					    NFSATTRBIT_NAMEDATTR) &&
 					    VOP_PATHCONF(nvp, _PC_HAS_NAMEDATTR,
 					    &pathval) != 0)
 						pathval = 0;
 					has_namedattr = pathval > 0;
 					pathval = 0;
 					if (VOP_PATHCONF(nvp, _PC_CLONE_BLKSIZE,
 					    &pathval) != 0)
 						pathval = 0;
 					clone_blksize = pathval;
 					NFSVOPUNLOCK(nvp);
 				} else
 					supports_nfsv4acls = 0;
 				if (refp != NULL) {
 					dirlen += nfsrv_putreferralattr(nd,
 					    &refbits, refp, 0,
 					    &nd->nd_repstat);
 					if (nd->nd_repstat) {
 						if (nvp != NULL)
 							vrele(nvp);
 						if (needs_unbusy != 0)
 							vfs_unbusy(new_mp);
 						break;
 					}
 				} else if (r) {
 					dirlen += nfsvno_fillattr(nd, new_mp,
 					    nvp, nvap, &nfh, r, &rderrbits,
 					    nd->nd_cred, p, isdgram, 0,
 					    supports_nfsv4acls, at_root,
 					    mounted_on_fileno, xattrsupp,
 					    has_hiddensystem, has_namedattr,
 					    clone_blksize);
 				} else {
 					dirlen += nfsvno_fillattr(nd, new_mp,
 					    nvp, nvap, &nfh, r, &attrbits,
 					    nd->nd_cred, p, isdgram, 0,
 					    supports_nfsv4acls, at_root,
 					    mounted_on_fileno, xattrsupp,
 					    has_hiddensystem, has_namedattr,
 					    clone_blksize);
 				}
 				if (nvp != NULL)
 					vrele(nvp);
 				dirlen += (3 * NFSX_UNSIGNED);
 			}
 			if (needs_unbusy != 0)
 				vfs_unbusy(new_mp);
 			if (dirlen <= cnt)
 				entrycnt++;
 		}
 invalid:
 		cpos += dp->d_reclen;
 		dp = (struct dirent *)cpos;
 		cookiep++;
 		ncookies--;
 	}
 	vrele(vp);
 	vfs_unbusy(mp);
 
 	/*
 	 * If dirlen > cnt, we must strip off the last entry. If that
 	 * results in an empty reply, report NFSERR_TOOSMALL.
 	 */
 	if (dirlen > cnt || nd->nd_repstat) {
 		if (!nd->nd_repstat && entrycnt == 0)
 			nd->nd_repstat = NFSERR_TOOSMALL;
 		if (nd->nd_repstat) {
 			nfsm_trimtrailing(nd, mb0, bpos0, bextpg0, bextpgsiz0);
 			if (nd->nd_flag & ND_NFSV3)
 				nfsrv_postopattr(nd, getret, &at);
 		} else
 			nfsm_trimtrailing(nd, mb1, bpos1, bextpg1, bextpgsiz1);
 		eofflag = 0;
 	} else if (cpos < cend)
 		eofflag = 0;
 	if (!nd->nd_repstat) {
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = newnfs_false;
 		if (eofflag)
 			*tl = newnfs_true;
 		else
 			*tl = newnfs_false;
 	}
 	free(cookies, M_TEMP);
 	free(rbuf, M_TEMP);
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * Get the settable attributes out of the mbuf list.
  * (Return 0 or EBADRPC)
  */
 int
 nfsrv_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap,
     nfsattrbit_t *attrbitp, NFSACL_T *aclp, struct thread *p)
 {
 	u_int32_t *tl;
 	struct nfsv2_sattr *sp;
 	int error = 0, toclient = 0;
 
 	switch (nd->nd_flag & (ND_NFSV2 | ND_NFSV3 | ND_NFSV4)) {
 	case ND_NFSV2:
 		NFSM_DISSECT(sp, struct nfsv2_sattr *, NFSX_V2SATTR);
 		/*
 		 * Some old clients didn't fill in the high order 16bits.
 		 * --> check the low order 2 bytes for 0xffff
 		 */
 		if ((fxdr_unsigned(int, sp->sa_mode) & 0xffff) != 0xffff)
 			nvap->na_mode = nfstov_mode(sp->sa_mode);
 		if (sp->sa_uid != newnfs_xdrneg1)
 			nvap->na_uid = fxdr_unsigned(uid_t, sp->sa_uid);
 		if (sp->sa_gid != newnfs_xdrneg1)
 			nvap->na_gid = fxdr_unsigned(gid_t, sp->sa_gid);
 		if (sp->sa_size != newnfs_xdrneg1)
 			nvap->na_size = fxdr_unsigned(u_quad_t, sp->sa_size);
 		if (sp->sa_atime.nfsv2_sec != newnfs_xdrneg1) {
 #ifdef notyet
 			fxdr_nfsv2time(&sp->sa_atime, &nvap->na_atime);
 #else
 			nvap->na_atime.tv_sec =
 				fxdr_unsigned(u_int32_t,sp->sa_atime.nfsv2_sec);
 			nvap->na_atime.tv_nsec = 0;
 #endif
 		}
 		if (sp->sa_mtime.nfsv2_sec != newnfs_xdrneg1)
 			fxdr_nfsv2time(&sp->sa_mtime, &nvap->na_mtime);
 		break;
 	case ND_NFSV3:
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		if (*tl == newnfs_true) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			nvap->na_mode = nfstov_mode(*tl);
 		}
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		if (*tl == newnfs_true) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			nvap->na_uid = fxdr_unsigned(uid_t, *tl);
 		}
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		if (*tl == newnfs_true) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			nvap->na_gid = fxdr_unsigned(gid_t, *tl);
 		}
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		if (*tl == newnfs_true) {
 			NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			nvap->na_size = fxdr_hyper(tl);
 		}
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		switch (fxdr_unsigned(int, *tl)) {
 		case NFSV3SATTRTIME_TOCLIENT:
 			NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			fxdr_nfsv3time(tl, &nvap->na_atime);
 			toclient = 1;
 			break;
 		case NFSV3SATTRTIME_TOSERVER:
 			vfs_timestamp(&nvap->na_atime);
 			nvap->na_vaflags |= VA_UTIMES_NULL;
 			break;
 		}
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		switch (fxdr_unsigned(int, *tl)) {
 		case NFSV3SATTRTIME_TOCLIENT:
 			NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			fxdr_nfsv3time(tl, &nvap->na_mtime);
 			nvap->na_vaflags &= ~VA_UTIMES_NULL;
 			break;
 		case NFSV3SATTRTIME_TOSERVER:
 			vfs_timestamp(&nvap->na_mtime);
 			if (!toclient)
 				nvap->na_vaflags |= VA_UTIMES_NULL;
 			break;
 		}
 		break;
 	case ND_NFSV4:
 		error = nfsv4_sattr(nd, vp, nvap, attrbitp, aclp, p);
 	}
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * Handle the setable attributes for V4.
  * Returns NFSERR_BADXDR if it can't be parsed, 0 otherwise.
  */
 int
 nfsv4_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap,
     nfsattrbit_t *attrbitp, NFSACL_T *aclp, struct thread *p)
 {
 	u_int32_t *tl;
 	int attrsum = 0;
 	int i, j;
 	int error, attrsize, bitpos, aclsize, aceerr, retnotsup = 0;
 	int moderet, toclient = 0;
 	u_char *cp, namestr[NFSV4_SMALLSTR + 1];
 	uid_t uid;
 	gid_t gid;
 	u_short mode, mask;		/* Same type as va_mode. */
 	struct vattr va;
 
 	error = nfsrv_getattrbits(nd, attrbitp, NULL, &retnotsup);
 	if (error)
 		goto nfsmout;
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 	attrsize = fxdr_unsigned(int, *tl);
 
 	/*
 	 * Loop around getting the setable attributes. If an unsupported
 	 * one is found, set nd_repstat == NFSERR_ATTRNOTSUPP and return.
 	 * Once nd_repstat != 0, do not set the attribute value, but keep
 	 * parsing the attribute(s).
 	 */
 	if (retnotsup) {
 		nd->nd_repstat = NFSERR_ATTRNOTSUPP;
 		bitpos = NFSATTRBIT_MAX;
 	} else {
 		bitpos = 0;
 		if (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_HIDDEN) ||
 		    NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SYSTEM))
 			nvap->na_flags = 0;
 	}
 	moderet = 0;
 	for (; bitpos < NFSATTRBIT_MAX; bitpos++) {
 	    if (attrsum > attrsize) {
 		error = NFSERR_BADXDR;
 		goto nfsmout;
 	    }
 	    if (NFSISSET_ATTRBIT(attrbitp, bitpos))
 		switch (bitpos) {
 		case NFSATTRBIT_SIZE:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_HYPER);
 			if (!nd->nd_repstat) {
 				if (vp != NULL && vp->v_type != VREG)
 					nd->nd_repstat = (vp->v_type == VDIR) ?
 					    NFSERR_ISDIR : NFSERR_INVAL;
 				else
 					nvap->na_size = fxdr_hyper(tl);
 			}
 			attrsum += NFSX_HYPER;
 			break;
 		case NFSATTRBIT_ACL:
 			error = nfsrv_dissectacl(nd, aclp, true, &aceerr,
 			    &aclsize, p);
 			if (error)
 				goto nfsmout;
 			if (aceerr && !nd->nd_repstat)
 				nd->nd_repstat = aceerr;
 			attrsum += aclsize;
 			break;
 		case NFSATTRBIT_ARCHIVE:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			if (!nd->nd_repstat)
 				nd->nd_repstat = NFSERR_ATTRNOTSUPP;
 			attrsum += NFSX_UNSIGNED;
 			break;
 		case NFSATTRBIT_HIDDEN:
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			if (nd->nd_repstat == 0) {
 				if (*tl == newnfs_true)
 					nvap->na_flags |= UF_HIDDEN;
 			}
 			attrsum += NFSX_UNSIGNED;
 			break;
 		case NFSATTRBIT_MIMETYPE:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			i = fxdr_unsigned(int, *tl);
 			error = nfsm_advance(nd, NFSM_RNDUP(i), -1);
 			if (error)
 				goto nfsmout;
 			if (!nd->nd_repstat)
 				nd->nd_repstat = NFSERR_ATTRNOTSUPP;
 			attrsum += (NFSX_UNSIGNED + NFSM_RNDUP(i));
 			break;
 		case NFSATTRBIT_MODE:
 			moderet = NFSERR_INVAL;	/* Can't do MODESETMASKED. */
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			if (!nd->nd_repstat)
 				nvap->na_mode = nfstov_mode(*tl);
 			attrsum += NFSX_UNSIGNED;
 			break;
 		case NFSATTRBIT_OWNER:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			j = fxdr_unsigned(int, *tl);
 			if (j < 0) {
 				error = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 			if (j > NFSV4_SMALLSTR)
 				cp = malloc(j + 1, M_NFSSTRING, M_WAITOK);
 			else
 				cp = namestr;
 			error = nfsrv_mtostr(nd, cp, j);
 			if (error) {
 				if (j > NFSV4_SMALLSTR)
 					free(cp, M_NFSSTRING);
 				goto nfsmout;
 			}
 			if (!nd->nd_repstat) {
 				nd->nd_repstat = nfsv4_strtouid(nd, cp, j,
 				    &uid);
 				if (!nd->nd_repstat)
 					nvap->na_uid = uid;
 			}
 			if (j > NFSV4_SMALLSTR)
 				free(cp, M_NFSSTRING);
 			attrsum += (NFSX_UNSIGNED + NFSM_RNDUP(j));
 			break;
 		case NFSATTRBIT_OWNERGROUP:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			j = fxdr_unsigned(int, *tl);
 			if (j < 0) {
 				error = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 			if (j > NFSV4_SMALLSTR)
 				cp = malloc(j + 1, M_NFSSTRING, M_WAITOK);
 			else
 				cp = namestr;
 			error = nfsrv_mtostr(nd, cp, j);
 			if (error) {
 				if (j > NFSV4_SMALLSTR)
 					free(cp, M_NFSSTRING);
 				goto nfsmout;
 			}
 			if (!nd->nd_repstat) {
 				nd->nd_repstat = nfsv4_strtogid(nd, cp, j,
 				    &gid);
 				if (!nd->nd_repstat)
 					nvap->na_gid = gid;
 			}
 			if (j > NFSV4_SMALLSTR)
 				free(cp, M_NFSSTRING);
 			attrsum += (NFSX_UNSIGNED + NFSM_RNDUP(j));
 			break;
 		case NFSATTRBIT_SYSTEM:
 			NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 			if (nd->nd_repstat == 0) {
 				if (*tl == newnfs_true)
 					nvap->na_flags |= UF_SYSTEM;
 			}
 			attrsum += NFSX_UNSIGNED;
 			break;
 		case NFSATTRBIT_TIMEACCESSSET:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			attrsum += NFSX_UNSIGNED;
 			if (fxdr_unsigned(int, *tl)==NFSV4SATTRTIME_TOCLIENT) {
 			    NFSM_DISSECT(tl, u_int32_t *, NFSX_V4TIME);
 			    if (!nd->nd_repstat)
 				fxdr_nfsv4time(tl, &nvap->na_atime);
 			    toclient = 1;
 			    attrsum += NFSX_V4TIME;
 			} else if (!nd->nd_repstat) {
 			    vfs_timestamp(&nvap->na_atime);
 			    nvap->na_vaflags |= VA_UTIMES_NULL;
 			}
 			break;
 		case NFSATTRBIT_TIMEBACKUP:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_V4TIME);
 			if (!nd->nd_repstat)
 				nd->nd_repstat = NFSERR_ATTRNOTSUPP;
 			attrsum += NFSX_V4TIME;
 			break;
 		case NFSATTRBIT_TIMECREATE:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_V4TIME);
 			if (!nd->nd_repstat)
 				fxdr_nfsv4time(tl, &nvap->na_btime);
 			attrsum += NFSX_V4TIME;
 			break;
 		case NFSATTRBIT_TIMEMODIFYSET:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			attrsum += NFSX_UNSIGNED;
 			if (fxdr_unsigned(int, *tl)==NFSV4SATTRTIME_TOCLIENT) {
 			    NFSM_DISSECT(tl, u_int32_t *, NFSX_V4TIME);
 			    if (!nd->nd_repstat)
 				fxdr_nfsv4time(tl, &nvap->na_mtime);
 			    nvap->na_vaflags &= ~VA_UTIMES_NULL;
 			    attrsum += NFSX_V4TIME;
 			} else if (!nd->nd_repstat) {
 			    vfs_timestamp(&nvap->na_mtime);
 			    if (!toclient)
 				nvap->na_vaflags |= VA_UTIMES_NULL;
 			}
 			break;
 		case NFSATTRBIT_MODESETMASKED:
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			mode = fxdr_unsigned(u_short, *tl++);
 			mask = fxdr_unsigned(u_short, *tl);
 			/*
 			 * vp == NULL implies an Open/Create operation.
 			 * This attribute can only be used for Setattr and
 			 * only for NFSv4.1 or higher.
 			 * If moderet != 0, a mode attribute has also been
 			 * specified and this attribute cannot be done in the
 			 * same Setattr operation.
 			 */
 			if (!nd->nd_repstat) {
 				if ((nd->nd_flag & ND_NFSV41) == 0)
 					nd->nd_repstat = NFSERR_ATTRNOTSUPP;
 				else if ((mode & ~07777) != 0 ||
 				    (mask & ~07777) != 0 || vp == NULL)
 					nd->nd_repstat = NFSERR_INVAL;
 				else if (moderet == 0)
 					moderet = VOP_GETATTR(vp, &va,
 					    nd->nd_cred);
 				if (moderet == 0)
 					nvap->na_mode = (mode & mask) |
 					    (va.va_mode & ~mask);
 				else
 					nd->nd_repstat = moderet;
 			}
 			attrsum += 2 * NFSX_UNSIGNED;
 			break;
 		case NFSATTRBIT_MODEUMASK:
 			NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			mode = fxdr_unsigned(u_short, *tl++);
 			mask = fxdr_unsigned(u_short, *tl);
 			/*
 			 * If moderet != 0, mode has already been done.
 			 * If vp != NULL, this is not a file object creation.
 			 */
 			if (!nd->nd_repstat) {
 				if ((nd->nd_flag & ND_NFSV42) == 0)
 					nd->nd_repstat = NFSERR_ATTRNOTSUPP;
 				else if ((mask & ~0777) != 0 || vp != NULL ||
 				    moderet != 0)
 					nd->nd_repstat = NFSERR_INVAL;
 				else
 					nvap->na_mode = (mode & ~mask);
 			}
 			attrsum += 2 * NFSX_UNSIGNED;
 			break;
 		default:
 			nd->nd_repstat = NFSERR_ATTRNOTSUPP;
 			/*
 			 * set bitpos so we drop out of the loop.
 			 */
 			bitpos = NFSATTRBIT_MAX;
 			break;
 		}
 	}
 
 	/*
 	 * some clients pad the attrlist, so we need to skip over the
 	 * padding.  This also skips over unparsed non-supported attributes.
 	 */
 	if (attrsum > attrsize) {
 		error = NFSERR_BADXDR;
 	} else {
 		attrsize = NFSM_RNDUP(attrsize);
 		if (attrsum < attrsize)
 			error = nfsm_advance(nd, attrsize - attrsum, -1);
 	}
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * Check/setup export credentials.
  */
 int
 nfsd_excred(struct nfsrv_descript *nd, struct nfsexstuff *exp,
     struct ucred *credanon, bool testsec)
 {
 	int error;
 
 	/*
 	 * Check/setup credentials.
 	 */
 	if (nd->nd_flag & ND_GSS)
 		exp->nes_exflag &= ~MNT_EXPORTANON;
 
 	/*
 	 * Check to see if the operation is allowed for this security flavor.
 	 */
 	error = 0;
 	if (testsec) {
 		error = nfsvno_testexp(nd, exp);
 		if (error != 0)
 			goto out;
 	}
 
 	/*
 	 * Check to see if the file system is exported V4 only.
 	 */
 	if (NFSVNO_EXV4ONLY(exp) && !(nd->nd_flag & ND_NFSV4)) {
 		error = NFSERR_PROGNOTV4;
 		goto out;
 	}
 
 	/*
 	 * Now, map the user credentials.
 	 * (Note that ND_AUTHNONE will only be set for an NFSv3
 	 *  Fsinfo RPC. If set for anything else, this code might need
 	 *  to change.)
 	 */
 	if (NFSVNO_EXPORTED(exp)) {
 		if (((nd->nd_flag & ND_GSS) == 0 && nd->nd_cred->cr_uid == 0) ||
 		     NFSVNO_EXPORTANON(exp) ||
 		     (nd->nd_flag & ND_AUTHNONE) != 0) {
 			nd->nd_cred->cr_uid = credanon->cr_uid;
 			nd->nd_cred->cr_gid = credanon->cr_gid;
 			crsetgroups(nd->nd_cred, credanon->cr_ngroups,
 			    credanon->cr_groups);
 		} else if ((nd->nd_flag & ND_GSS) == 0) {
 			/*
 			 * If using AUTH_SYS, call nfsrv_getgrpscred() to see
 			 * if there is a replacement credential with a group
 			 * list set up by "nfsuserd -manage-gids".
 			 * If there is no replacement, nfsrv_getgrpscred()
 			 * simply returns its argument.
 			 */
 			nd->nd_cred = nfsrv_getgrpscred(nd->nd_cred);
 		}
 	}
 
 out:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * Check exports.
  */
 int
 nfsvno_checkexp(struct mount *mp, struct sockaddr *nam, struct nfsexstuff *exp,
     struct ucred **credp)
 {
 	int error;
 
 	error = 0;
 	*credp = NULL;
 	MNT_ILOCK(mp);
 	if (mp->mnt_exjail == NULL ||
 	    mp->mnt_exjail->cr_prison != curthread->td_ucred->cr_prison)
 		error = EACCES;
 	MNT_IUNLOCK(mp);
 	if (error == 0)
 		error = VFS_CHECKEXP(mp, nam, &exp->nes_exflag, credp,
 		    &exp->nes_numsecflavor, exp->nes_secflavors);
 	if (error) {
 		if (NFSD_VNET(nfs_rootfhset)) {
 			exp->nes_exflag = 0;
 			exp->nes_numsecflavor = 0;
 			error = 0;
 		}
 	} else if (exp->nes_numsecflavor < 1 || exp->nes_numsecflavor >
 	    MAXSECFLAVORS) {
 		printf("nfsvno_checkexp: numsecflavors out of range\n");
 		exp->nes_numsecflavor = 0;
 		error = EACCES;
 	}
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Get a vnode for a file handle and export stuff.
  */
 int
 nfsvno_fhtovp(struct mount *mp, fhandle_t *fhp, struct sockaddr *nam,
     int lktype, struct vnode **vpp, struct nfsexstuff *exp,
     struct ucred **credp)
 {
 	int error;
 
 	*credp = NULL;
 	exp->nes_numsecflavor = 0;
 	error = VFS_FHTOVP(mp, &fhp->fh_fid, lktype, vpp);
 	if (error != 0)
 		/* Make sure the server replies ESTALE to the client. */
 		error = ESTALE;
 	if (nam && !error) {
 		MNT_ILOCK(mp);
 		if (mp->mnt_exjail == NULL ||
 		    mp->mnt_exjail->cr_prison != curthread->td_ucred->cr_prison)
 			error = EACCES;
 		MNT_IUNLOCK(mp);
 		if (error == 0)
 			error = VFS_CHECKEXP(mp, nam, &exp->nes_exflag, credp,
 			    &exp->nes_numsecflavor, exp->nes_secflavors);
 		if (error) {
 			if (NFSD_VNET(nfs_rootfhset)) {
 				exp->nes_exflag = 0;
 				exp->nes_numsecflavor = 0;
 				error = 0;
 			} else {
 				vput(*vpp);
 			}
 		} else if (exp->nes_numsecflavor < 1 || exp->nes_numsecflavor >
 		    MAXSECFLAVORS) {
 			printf("nfsvno_fhtovp: numsecflavors out of range\n");
 			exp->nes_numsecflavor = 0;
 			error = EACCES;
 			vput(*vpp);
 		}
 	}
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * nfsd_fhtovp() - convert a fh to a vnode ptr
  * 	- look up fsid in mount list (if not found ret error)
  *	- get vp and export rights by calling nfsvno_fhtovp()
  *	- if cred->cr_uid == 0 or MNT_EXPORTANON set it to credanon
  *	  for AUTH_SYS
  *	- if mpp != NULL, return the mount point so that it can
  *	  be used for vn_finished_write() by the caller
  */
 void
 nfsd_fhtovp(struct nfsrv_descript *nd, struct nfsrvfh *nfp, int lktype,
     struct vnode **vpp, struct nfsexstuff *exp,
     struct mount **mpp, int startwrite, int nextop)
 {
 	struct mount *mp, *mpw;
 	struct ucred *credanon;
 	fhandle_t *fhp;
 	int error;
 
 	if (mpp != NULL)
 		*mpp = NULL;
 	*vpp = NULL;
 	fhp = (fhandle_t *)nfp->nfsrvfh_data;
 	mp = vfs_busyfs(&fhp->fh_fsid);
 	if (mp == NULL) {
 		nd->nd_repstat = ESTALE;
 		goto out;
 	}
 
 	if (startwrite) {
 		mpw = mp;
 		error = vn_start_write(NULL, &mpw, V_WAIT);
 		if (error != 0) {
 			mpw = NULL;
 			vfs_unbusy(mp);
 			nd->nd_repstat = ESTALE;
 			goto out;
 		}
 		if (lktype == LK_SHARED && !(MNT_SHARED_WRITES(mp)))
 			lktype = LK_EXCLUSIVE;
 	} else
 		mpw = NULL;
 
 	nd->nd_repstat = nfsvno_fhtovp(mp, fhp, nd->nd_nam, lktype, vpp, exp,
 	    &credanon);
 	vfs_unbusy(mp);
 
 	if (nd->nd_repstat == 0 &&
 	    nfp->nfsrvfh_len >= NFSX_MYFH + NFSX_V4NAMEDDIRFH &&
 	    nfp->nfsrvfh_len <= NFSX_MYFH + NFSX_V4NAMEDATTRFH) {
 		if (nfp->nfsrvfh_len == NFSX_MYFH + NFSX_V4NAMEDDIRFH)
 			vn_irflag_set_cond(*vpp, VIRF_NAMEDDIR);
 		else
 			vn_irflag_set_cond(*vpp, VIRF_NAMEDATTR);
 	}
 
 	/*
 	 * For NFSv4 without a pseudo root fs, unexported file handles
 	 * can be returned, so that Lookup works everywhere.
 	 */
 	if (!nd->nd_repstat && exp->nes_exflag == 0 &&
 	    !(nd->nd_flag & ND_NFSV4)) {
 		vput(*vpp);
 		*vpp = NULL;
 		nd->nd_repstat = EACCES;
 	}
 
 	/*
 	 * Personally, I've never seen any point in requiring a
 	 * reserved port#, since only in the rare case where the
 	 * clients are all boxes with secure system privileges,
 	 * does it provide any enhanced security, but... some people
 	 * believe it to be useful and keep putting this code back in.
 	 * (There is also some "security checker" out there that
 	 *  complains if the nfs server doesn't enforce this.)
 	 * However, note the following:
 	 * RFC3530 (NFSv4) specifies that a reserved port# not be
 	 *	required.
 	 * RFC2623 recommends that, if a reserved port# is checked for,
 	 *	that there be a way to turn that off--> ifdef'd.
 	 */
 #ifdef NFS_REQRSVPORT
 	if (!nd->nd_repstat) {
 		struct sockaddr_in *saddr;
 		struct sockaddr_in6 *saddr6;
 
 		saddr = NFSSOCKADDR(nd->nd_nam, struct sockaddr_in *);
 		saddr6 = NFSSOCKADDR(nd->nd_nam, struct sockaddr_in6 *);
 		if (!(nd->nd_flag & ND_NFSV4) &&
 		    ((saddr->sin_family == AF_INET &&
 		      ntohs(saddr->sin_port) >= IPPORT_RESERVED) ||
 		     (saddr6->sin6_family == AF_INET6 &&
 		      ntohs(saddr6->sin6_port) >= IPPORT_RESERVED))) {
 			vput(*vpp);
 			nd->nd_repstat = (NFSERR_AUTHERR | AUTH_TOOWEAK);
 		}
 	}
 #endif	/* NFS_REQRSVPORT */
 
 	/*
 	 * Check/setup credentials.
 	 */
 	if (!nd->nd_repstat) {
 		nd->nd_saveduid = nd->nd_cred->cr_uid;
 		nd->nd_repstat = nfsd_excred(nd, exp, credanon,
 		    nfsrv_checkwrongsec(nd, nextop, (*vpp)->v_type));
 		if (nd->nd_repstat)
 			vput(*vpp);
 	}
 	if (credanon != NULL)
 		crfree(credanon);
 	if (nd->nd_repstat) {
 		vn_finished_write(mpw);
 		*vpp = NULL;
 	} else if (mpp != NULL) {
 		*mpp = mpw;
 	}
 
 out:
 	NFSEXITCODE2(0, nd);
 }
 
 /*
  * glue for fp.
  */
 static int
 fp_getfvp(struct thread *p, int fd, struct file **fpp, struct vnode **vpp)
 {
 	struct filedesc *fdp;
 	struct file *fp;
 	int error = 0;
 
 	fdp = p->td_proc->p_fd;
 	if (fd < 0 || fd >= fdp->fd_nfiles ||
 	    (fp = fdp->fd_ofiles[fd].fde_file) == NULL) {
 		error = EBADF;
 		goto out;
 	}
 	*fpp = fp;
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Called from nfssvc() to update the exports list. Just call
  * vfs_export(). This has to be done, since the v4 root fake fs isn't
  * in the mount list.
  */
 int
 nfsrv_v4rootexport(void *argp, struct ucred *cred, struct thread *p)
 {
 	struct nfsex_args *nfsexargp = (struct nfsex_args *)argp;
 	int error = 0;
 	struct nameidata nd;
 	fhandle_t fh;
 
 	error = vfs_export(NFSD_VNET(nfsv4root_mnt), &nfsexargp->export, false);
 	if ((nfsexargp->export.ex_flags & MNT_DELEXPORT) != 0)
 		NFSD_VNET(nfs_rootfhset) = 0;
 	else if (error == 0) {
 		if (nfsexargp->fspec == NULL) {
 			error = EPERM;
 			goto out;
 		}
 		/*
 		 * If fspec != NULL, this is the v4root path.
 		 */
 		NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, nfsexargp->fspec);
 		if ((error = namei(&nd)) != 0)
 			goto out;
 		NDFREE_PNBUF(&nd);
 		error = nfsvno_getfh(nd.ni_vp, &fh, p);
 		vrele(nd.ni_vp);
 		if (!error) {
 			NFSD_VNET(nfs_rootfh).nfsrvfh_len = NFSX_MYFH;
 			NFSBCOPY((caddr_t)&fh,
 			    NFSD_VNET(nfs_rootfh).nfsrvfh_data,
 			    sizeof (fhandle_t));
 			NFSD_VNET(nfs_rootfhset) = 1;
 		}
 	}
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * This function needs to test to see if the system is near its limit
  * for memory allocation via malloc() or mget() and return True iff
  * either of these resources are near their limit.
  * XXX (For now, this is just a stub.)
  */
 int nfsrv_testmalloclimit = 0;
 int
 nfsrv_mallocmget_limit(void)
 {
 	static int printmesg = 0;
 	static int testval = 1;
 
 	if (nfsrv_testmalloclimit && (testval++ % 1000) == 0) {
 		if ((printmesg++ % 100) == 0)
 			printf("nfsd: malloc/mget near limit\n");
 		return (1);
 	}
 	return (0);
 }
 
 /*
  * BSD specific initialization of a mount point.
  */
 void
 nfsd_mntinit(void)
 {
 
 	NFSD_LOCK();
 	if (NFSD_VNET(nfsrv_mntinited)) {
 		NFSD_UNLOCK();
 		return;
 	}
 	NFSD_VNET(nfsrv_mntinited) = true;
 	nfsrvd_init(0);
 	NFSD_UNLOCK();
 
 	NFSD_VNET(nfsv4root_mnt) = malloc(sizeof(struct mount), M_TEMP,
 	    M_WAITOK | M_ZERO);
 	NFSD_VNET(nfsv4root_mnt)->mnt_flag = (MNT_RDONLY | MNT_EXPORTED);
 	mtx_init(&NFSD_VNET(nfsv4root_mnt)->mnt_mtx, "nfs4mnt", NULL, MTX_DEF);
 	lockinit(&NFSD_VNET(nfsv4root_mnt)->mnt_explock, PVFS, "explock", 0, 0);
 	TAILQ_INIT(&NFSD_VNET(nfsv4root_mnt)->mnt_nvnodelist);
 	TAILQ_INIT(&NFSD_VNET(nfsv4root_mnt)->mnt_lazyvnodelist);
 	NFSD_VNET(nfsv4root_mnt)->mnt_export = NULL;
 	TAILQ_INIT(&NFSD_VNET(nfsv4root_opt));
 	TAILQ_INIT(&NFSD_VNET(nfsv4root_newopt));
 	NFSD_VNET(nfsv4root_mnt)->mnt_opt = &NFSD_VNET(nfsv4root_opt);
 	NFSD_VNET(nfsv4root_mnt)->mnt_optnew = &NFSD_VNET(nfsv4root_newopt);
 	NFSD_VNET(nfsv4root_mnt)->mnt_nvnodelistsize = 0;
 	NFSD_VNET(nfsv4root_mnt)->mnt_lazyvnodelistsize = 0;
 	callout_init(&NFSD_VNET(nfsd_callout), 1);
 
 	nfsrvd_initcache();
 	nfsd_init();
 }
 
 static void
 nfsd_timer(void *arg)
 {
 	struct vnet *vnetp;
 
 	vnetp = (struct vnet *)arg;
 	NFSD_CURVNET_SET_QUIET(vnetp);
 	nfsrv_servertimer(vnetp);
 	callout_reset_sbt(&NFSD_VNET(nfsd_callout), SBT_1S, SBT_1S, nfsd_timer,
 	    arg, 0);
 	NFSD_CURVNET_RESTORE();
 }
 
 /*
  * Get a vnode for a file handle, without checking exports, etc.
  */
 struct vnode *
 nfsvno_getvp(fhandle_t *fhp)
 {
 	struct mount *mp;
 	struct vnode *vp;
 	int error;
 
 	mp = vfs_busyfs(&fhp->fh_fsid);
 	if (mp == NULL)
 		return (NULL);
 	error = VFS_FHTOVP(mp, &fhp->fh_fid, LK_EXCLUSIVE, &vp);
 	vfs_unbusy(mp);
 	if (error)
 		return (NULL);
 	return (vp);
 }
 
 /*
  * Do a local VOP_ADVLOCK().
  */
 int
 nfsvno_advlock(struct vnode *vp, int ftype, u_int64_t first,
     u_int64_t end, struct thread *td)
 {
 	int error = 0;
 	struct flock fl;
 	u_int64_t tlen;
 
 	if (nfsrv_dolocallocks == 0)
 		goto out;
 	ASSERT_VOP_UNLOCKED(vp, "nfsvno_advlock: vp locked");
 
 	fl.l_whence = SEEK_SET;
 	fl.l_type = ftype;
 	fl.l_start = (off_t)first;
 	if (end == NFS64BITSSET) {
 		fl.l_len = 0;
 	} else {
 		tlen = end - first;
 		fl.l_len = (off_t)tlen;
 	}
 	/*
 	 * For FreeBSD8, the l_pid and l_sysid must be set to the same
 	 * values for all calls, so that all locks will be held by the
 	 * nfsd server. (The nfsd server handles conflicts between the
 	 * various clients.)
 	 * Since an NFSv4 lockowner is a ClientID plus an array of up to 1024
 	 * bytes, so it can't be put in l_sysid.
 	 */
 	if (nfsv4_sysid == 0)
 		nfsv4_sysid = nlm_acquire_next_sysid();
 	fl.l_pid = (pid_t)0;
 	fl.l_sysid = (int)nfsv4_sysid;
 
 	if (ftype == F_UNLCK)
 		error = VOP_ADVLOCK(vp, (caddr_t)td->td_proc, F_UNLCK, &fl,
 		    (F_POSIX | F_REMOTE));
 	else
 		error = VOP_ADVLOCK(vp, (caddr_t)td->td_proc, F_SETLK, &fl,
 		    (F_POSIX | F_REMOTE));
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Check the nfsv4 root exports.
  */
 int
 nfsvno_v4rootexport(struct nfsrv_descript *nd)
 {
 	struct ucred *credanon;
 	int error = 0, numsecflavor, secflavors[MAXSECFLAVORS], i;
 	uint64_t exflags;
 
 	error = vfs_stdcheckexp(NFSD_VNET(nfsv4root_mnt), nd->nd_nam, &exflags,
 	    &credanon, &numsecflavor, secflavors);
 	if (error) {
 		error = NFSERR_PROGUNAVAIL;
 		goto out;
 	}
 	if (credanon != NULL)
 		crfree(credanon);
 	for (i = 0; i < numsecflavor; i++) {
 		if (secflavors[i] == AUTH_SYS)
 			nd->nd_flag |= ND_EXAUTHSYS;
 		else if (secflavors[i] == RPCSEC_GSS_KRB5)
 			nd->nd_flag |= ND_EXGSS;
 		else if (secflavors[i] == RPCSEC_GSS_KRB5I)
 			nd->nd_flag |= ND_EXGSSINTEGRITY;
 		else if (secflavors[i] == RPCSEC_GSS_KRB5P)
 			nd->nd_flag |= ND_EXGSSPRIVACY;
 	}
 
 	/* And set ND_EXxx flags for TLS. */
 	if ((exflags & MNT_EXTLS) != 0) {
 		nd->nd_flag |= ND_EXTLS;
 		if ((exflags & MNT_EXTLSCERT) != 0)
 			nd->nd_flag |= ND_EXTLSCERT;
 		if ((exflags & MNT_EXTLSCERTUSER) != 0)
 			nd->nd_flag |= ND_EXTLSCERTUSER;
 	}
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Nfs server pseudo system call for the nfsd's
  */
 /*
  * MPSAFE
  */
 static int
 nfssvc_nfsd(struct thread *td, struct nfssvc_args *uap)
 {
 	struct file *fp;
 	struct nfsd_addsock_args sockarg;
 	struct nfsd_nfsd_args nfsdarg;
 	struct nfsd_nfsd_oargs onfsdarg;
 	struct nfsd_pnfsd_args pnfsdarg;
 	struct vnode *vp, *nvp, *curdvp;
 	struct pnfsdsfile *pf;
 	struct nfsdevice *ds, *fds;
 	cap_rights_t rights;
 	int buflen, error, ret;
 	char *buf, *cp, *cp2, *cp3;
 	char fname[PNFS_FILENAME_LEN + 1];
 
 	NFSD_CURVNET_SET(NFSD_TD_TO_VNET(td));
 	if (uap->flag & NFSSVC_NFSDADDSOCK) {
 		error = copyin(uap->argp, (caddr_t)&sockarg, sizeof (sockarg));
 		if (error)
 			goto out;
 		/*
 		 * Since we don't know what rights might be required,
 		 * pretend that we need them all. It is better to be too
 		 * careful than too reckless.
 		 */
 		error = fget(td, sockarg.sock,
 		    cap_rights_init_one(&rights, CAP_SOCK_SERVER), &fp);
 		if (error != 0)
 			goto out;
 		if (fp->f_type != DTYPE_SOCKET) {
 			fdrop(fp, td);
 			error = EPERM;
 			goto out;
 		}
 		error = nfsrvd_addsock(fp);
 		fdrop(fp, td);
 	} else if (uap->flag & NFSSVC_NFSDNFSD) {
 		if (uap->argp == NULL) {
 			error = EINVAL;
 			goto out;
 		}
 		if ((uap->flag & NFSSVC_NEWSTRUCT) == 0) {
 			error = copyin(uap->argp, &onfsdarg, sizeof(onfsdarg));
 			if (error == 0) {
 				nfsdarg.principal = onfsdarg.principal;
 				nfsdarg.minthreads = onfsdarg.minthreads;
 				nfsdarg.maxthreads = onfsdarg.maxthreads;
 				nfsdarg.version = 1;
 				nfsdarg.addr = NULL;
 				nfsdarg.addrlen = 0;
 				nfsdarg.dnshost = NULL;
 				nfsdarg.dnshostlen = 0;
 				nfsdarg.dspath = NULL;
 				nfsdarg.dspathlen = 0;
 				nfsdarg.mdspath = NULL;
 				nfsdarg.mdspathlen = 0;
 				nfsdarg.mirrorcnt = 1;
 			}
 		} else
 			error = copyin(uap->argp, &nfsdarg, sizeof(nfsdarg));
 		if (error)
 			goto out;
 		if (nfsdarg.addrlen > 0 && nfsdarg.addrlen < 10000 &&
 		    nfsdarg.dnshostlen > 0 && nfsdarg.dnshostlen < 10000 &&
 		    nfsdarg.dspathlen > 0 && nfsdarg.dspathlen < 10000 &&
 		    nfsdarg.mdspathlen > 0 && nfsdarg.mdspathlen < 10000 &&
 		    nfsdarg.mirrorcnt >= 1 &&
 		    nfsdarg.mirrorcnt <= NFSDEV_MAXMIRRORS &&
 		    nfsdarg.addr != NULL && nfsdarg.dnshost != NULL &&
 		    nfsdarg.dspath != NULL && nfsdarg.mdspath != NULL) {
 			NFSD_DEBUG(1, "addrlen=%d dspathlen=%d dnslen=%d"
 			    " mdspathlen=%d mirrorcnt=%d\n", nfsdarg.addrlen,
 			    nfsdarg.dspathlen, nfsdarg.dnshostlen,
 			    nfsdarg.mdspathlen, nfsdarg.mirrorcnt);
 			cp = malloc(nfsdarg.addrlen + 1, M_TEMP, M_WAITOK);
 			error = copyin(nfsdarg.addr, cp, nfsdarg.addrlen);
 			if (error != 0) {
 				free(cp, M_TEMP);
 				goto out;
 			}
 			cp[nfsdarg.addrlen] = '\0';	/* Ensure nul term. */
 			nfsdarg.addr = cp;
 			cp = malloc(nfsdarg.dnshostlen + 1, M_TEMP, M_WAITOK);
 			error = copyin(nfsdarg.dnshost, cp, nfsdarg.dnshostlen);
 			if (error != 0) {
 				free(nfsdarg.addr, M_TEMP);
 				free(cp, M_TEMP);
 				goto out;
 			}
 			cp[nfsdarg.dnshostlen] = '\0';	/* Ensure nul term. */
 			nfsdarg.dnshost = cp;
 			cp = malloc(nfsdarg.dspathlen + 1, M_TEMP, M_WAITOK);
 			error = copyin(nfsdarg.dspath, cp, nfsdarg.dspathlen);
 			if (error != 0) {
 				free(nfsdarg.addr, M_TEMP);
 				free(nfsdarg.dnshost, M_TEMP);
 				free(cp, M_TEMP);
 				goto out;
 			}
 			cp[nfsdarg.dspathlen] = '\0';	/* Ensure nul term. */
 			nfsdarg.dspath = cp;
 			cp = malloc(nfsdarg.mdspathlen + 1, M_TEMP, M_WAITOK);
 			error = copyin(nfsdarg.mdspath, cp, nfsdarg.mdspathlen);
 			if (error != 0) {
 				free(nfsdarg.addr, M_TEMP);
 				free(nfsdarg.dnshost, M_TEMP);
 				free(nfsdarg.dspath, M_TEMP);
 				free(cp, M_TEMP);
 				goto out;
 			}
 			cp[nfsdarg.mdspathlen] = '\0';	/* Ensure nul term. */
 			nfsdarg.mdspath = cp;
 		} else {
 			nfsdarg.addr = NULL;
 			nfsdarg.addrlen = 0;
 			nfsdarg.dnshost = NULL;
 			nfsdarg.dnshostlen = 0;
 			nfsdarg.dspath = NULL;
 			nfsdarg.dspathlen = 0;
 			nfsdarg.mdspath = NULL;
 			nfsdarg.mdspathlen = 0;
 			nfsdarg.mirrorcnt = 1;
 		}
 		nfsd_timer(NFSD_TD_TO_VNET(td));
 		error = nfsrvd_nfsd(td, &nfsdarg);
 		callout_drain(&NFSD_VNET(nfsd_callout));
 		free(nfsdarg.addr, M_TEMP);
 		free(nfsdarg.dnshost, M_TEMP);
 		free(nfsdarg.dspath, M_TEMP);
 		free(nfsdarg.mdspath, M_TEMP);
 	} else if (uap->flag & NFSSVC_PNFSDS) {
 		error = copyin(uap->argp, &pnfsdarg, sizeof(pnfsdarg));
 		if (error == 0 && (pnfsdarg.op == PNFSDOP_DELDSSERVER ||
 		    pnfsdarg.op == PNFSDOP_FORCEDELDS)) {
 			cp = malloc(PATH_MAX + 1, M_TEMP, M_WAITOK);
 			error = copyinstr(pnfsdarg.dspath, cp, PATH_MAX + 1,
 			    NULL);
 			if (error == 0)
 				error = nfsrv_deldsserver(pnfsdarg.op, cp, td);
 			free(cp, M_TEMP);
 		} else if (error == 0 && pnfsdarg.op == PNFSDOP_COPYMR) {
 			cp = malloc(PATH_MAX + 1, M_TEMP, M_WAITOK);
 			buflen = sizeof(*pf) * NFSDEV_MAXMIRRORS;
 			buf = malloc(buflen, M_TEMP, M_WAITOK);
 			error = copyinstr(pnfsdarg.mdspath, cp, PATH_MAX + 1,
 			    NULL);
 			NFSD_DEBUG(4, "pnfsdcopymr cp mdspath=%d\n", error);
 			if (error == 0 && pnfsdarg.dspath != NULL) {
 				cp2 = malloc(PATH_MAX + 1, M_TEMP, M_WAITOK);
 				error = copyinstr(pnfsdarg.dspath, cp2,
 				    PATH_MAX + 1, NULL);
 				NFSD_DEBUG(4, "pnfsdcopymr cp dspath=%d\n",
 				    error);
 			} else
 				cp2 = NULL;
 			if (error == 0 && pnfsdarg.curdspath != NULL) {
 				cp3 = malloc(PATH_MAX + 1, M_TEMP, M_WAITOK);
 				error = copyinstr(pnfsdarg.curdspath, cp3,
 				    PATH_MAX + 1, NULL);
 				NFSD_DEBUG(4, "pnfsdcopymr cp curdspath=%d\n",
 				    error);
 			} else
 				cp3 = NULL;
 			curdvp = NULL;
 			fds = NULL;
 			if (error == 0)
 				error = nfsrv_mdscopymr(cp, cp2, cp3, buf,
 				    &buflen, fname, td, &vp, &nvp, &pf, &ds,
 				    &fds);
 			NFSD_DEBUG(4, "nfsrv_mdscopymr=%d\n", error);
 			if (error == 0) {
 				if (pf->dsf_dir >= nfsrv_dsdirsize) {
 					printf("copymr: dsdir out of range\n");
 					pf->dsf_dir = 0;
 				}
 				NFSD_DEBUG(4, "copymr: buflen=%d\n", buflen);
 				error = nfsrv_copymr(vp, nvp,
 				    ds->nfsdev_dsdir[pf->dsf_dir], ds, pf,
 				    (struct pnfsdsfile *)buf,
 				    buflen / sizeof(*pf), td->td_ucred, td);
 				vput(vp);
 				vput(nvp);
 				if (fds != NULL && error == 0) {
 					curdvp = fds->nfsdev_dsdir[pf->dsf_dir];
 					ret = vn_lock(curdvp, LK_EXCLUSIVE);
 					if (ret == 0) {
 						nfsrv_dsremove(curdvp, fname,
 						    td->td_ucred, td);
 						NFSVOPUNLOCK(curdvp);
 					}
 				}
 				NFSD_DEBUG(4, "nfsrv_copymr=%d\n", error);
 			}
 			free(cp, M_TEMP);
 			free(cp2, M_TEMP);
 			free(cp3, M_TEMP);
 			free(buf, M_TEMP);
 		}
 	} else {
 		error = nfssvc_srvcall(td, uap, td->td_ucred);
 	}
 
 out:
 	NFSD_CURVNET_RESTORE();
 	NFSEXITCODE(error);
 	return (error);
 }
 
 static int
 nfssvc_srvcall(struct thread *p, struct nfssvc_args *uap, struct ucred *cred)
 {
 	struct nfsex_args export;
 	struct nfsex_oldargs oexp;
 	struct file *fp = NULL;
 	int stablefd, i, len;
 	struct nfsd_clid adminrevoke;
 	struct nfsd_dumplist dumplist;
 	struct nfsd_dumpclients *dumpclients;
 	struct nfsd_dumplocklist dumplocklist;
 	struct nfsd_dumplocks *dumplocks;
 	struct nameidata nd;
 	vnode_t vp;
 	int error = EINVAL, igotlock;
 	struct proc *procp;
 	gid_t *grps;
 
 	if (uap->flag & NFSSVC_PUBLICFH) {
 		NFSBZERO((caddr_t)&nfs_pubfh.nfsrvfh_data,
 		    sizeof (fhandle_t));
 		error = copyin(uap->argp,
 		    &nfs_pubfh.nfsrvfh_data, sizeof (fhandle_t));
 		if (!error)
 			nfs_pubfhset = 1;
 	} else if ((uap->flag & (NFSSVC_V4ROOTEXPORT | NFSSVC_NEWSTRUCT)) ==
 	    (NFSSVC_V4ROOTEXPORT | NFSSVC_NEWSTRUCT)) {
 		error = copyin(uap->argp,(caddr_t)&export,
 		    sizeof (struct nfsex_args));
 		if (!error) {
 			grps = NULL;
 			if (export.export.ex_ngroups > NGROUPS_MAX ||
 			    export.export.ex_ngroups < 0)
 				error = EINVAL;
 			else if (export.export.ex_ngroups > 0) {
 				grps = malloc(export.export.ex_ngroups *
 				    sizeof(gid_t), M_TEMP, M_WAITOK);
 				error = copyin(export.export.ex_groups, grps,
 				    export.export.ex_ngroups * sizeof(gid_t));
 				export.export.ex_groups = grps;
 			} else
 				export.export.ex_groups = NULL;
 			if (!error)
 				error = nfsrv_v4rootexport(&export, cred, p);
 			free(grps, M_TEMP);
 		}
 	} else if ((uap->flag & (NFSSVC_V4ROOTEXPORT | NFSSVC_NEWSTRUCT)) ==
 	    NFSSVC_V4ROOTEXPORT) {
 		error = copyin(uap->argp,(caddr_t)&oexp,
 		    sizeof (struct nfsex_oldargs));
 		if (!error) {
 			memset(&export.export, 0, sizeof(export.export));
 			export.export.ex_flags = (uint64_t)oexp.export.ex_flags;
 			export.export.ex_root = oexp.export.ex_root;
 			export.export.ex_uid = oexp.export.ex_anon.cr_uid;
 			export.export.ex_ngroups =
 			    oexp.export.ex_anon.cr_ngroups;
 			export.export.ex_groups = NULL;
 			if (export.export.ex_ngroups > XU_NGROUPS ||
 			    export.export.ex_ngroups < 0)
 				error = EINVAL;
 			else if (export.export.ex_ngroups > 0) {
 				export.export.ex_groups = malloc(
 				    export.export.ex_ngroups * sizeof(gid_t),
 				    M_TEMP, M_WAITOK);
 				for (i = 0; i < export.export.ex_ngroups; i++)
 					export.export.ex_groups[i] =
 					    oexp.export.ex_anon.cr_groups[i];
 			}
 			export.export.ex_addr = oexp.export.ex_addr;
 			export.export.ex_addrlen = oexp.export.ex_addrlen;
 			export.export.ex_mask = oexp.export.ex_mask;
 			export.export.ex_masklen = oexp.export.ex_masklen;
 			export.export.ex_indexfile = oexp.export.ex_indexfile;
 			export.export.ex_numsecflavors =
 			    oexp.export.ex_numsecflavors;
 			if (export.export.ex_numsecflavors >= MAXSECFLAVORS ||
 			    export.export.ex_numsecflavors < 0)
 				error = EINVAL;
 			else {
 				for (i = 0; i < export.export.ex_numsecflavors;
 				    i++)
 					export.export.ex_secflavors[i] =
 					    oexp.export.ex_secflavors[i];
 			}
 			export.fspec = oexp.fspec;
 			if (error == 0)
 				error = nfsrv_v4rootexport(&export, cred, p);
 			free(export.export.ex_groups, M_TEMP);
 		}
 	} else if (uap->flag & NFSSVC_NOPUBLICFH) {
 		nfs_pubfhset = 0;
 		error = 0;
 	} else if (uap->flag & NFSSVC_STABLERESTART) {
 		error = copyin(uap->argp, (caddr_t)&stablefd,
 		    sizeof (int));
 		if (!error)
 			error = fp_getfvp(p, stablefd, &fp, &vp);
 		if (!error && (NFSFPFLAG(fp) & (FREAD | FWRITE)) != (FREAD | FWRITE))
 			error = EBADF;
 		if (!error && NFSD_VNET(nfsrv_numnfsd) != 0)
 			error = ENXIO;
 		if (!error) {
 			NFSD_VNET(nfsrv_stablefirst).nsf_fp = fp;
 			nfsrv_setupstable(p);
 		}
 	} else if (uap->flag & NFSSVC_ADMINREVOKE) {
 		error = copyin(uap->argp, (caddr_t)&adminrevoke,
 		    sizeof (struct nfsd_clid));
 		if (!error)
 			error = nfsrv_adminrevoke(&adminrevoke, p);
 	} else if (uap->flag & NFSSVC_DUMPCLIENTS) {
 		error = copyin(uap->argp, (caddr_t)&dumplist,
 		    sizeof (struct nfsd_dumplist));
 		if (!error && (dumplist.ndl_size < 1 ||
 			dumplist.ndl_size > NFSRV_MAXDUMPLIST))
 			error = EPERM;
 		if (!error) {
 		    len = sizeof (struct nfsd_dumpclients) * dumplist.ndl_size;
 		    dumpclients = malloc(len, M_TEMP, M_WAITOK | M_ZERO);
 		    nfsrv_dumpclients(dumpclients, dumplist.ndl_size);
 		    error = copyout(dumpclients, dumplist.ndl_list, len);
 		    free(dumpclients, M_TEMP);
 		}
 	} else if (uap->flag & NFSSVC_DUMPLOCKS) {
 		error = copyin(uap->argp, (caddr_t)&dumplocklist,
 		    sizeof (struct nfsd_dumplocklist));
 		if (!error && (dumplocklist.ndllck_size < 1 ||
 			dumplocklist.ndllck_size > NFSRV_MAXDUMPLIST))
 			error = EPERM;
 		if (!error)
 			error = nfsrv_lookupfilename(&nd,
 				dumplocklist.ndllck_fname, p);
 		if (!error) {
 			len = sizeof (struct nfsd_dumplocks) *
 				dumplocklist.ndllck_size;
 			dumplocks = malloc(len, M_TEMP, M_WAITOK | M_ZERO);
 			nfsrv_dumplocks(nd.ni_vp, dumplocks,
 			    dumplocklist.ndllck_size, p);
 			vput(nd.ni_vp);
 			error = copyout(dumplocks, dumplocklist.ndllck_list,
 			    len);
 			free(dumplocks, M_TEMP);
 		}
 	} else if (uap->flag & NFSSVC_BACKUPSTABLE) {
 		procp = p->td_proc;
 		PROC_LOCK(procp);
 		nfsd_master_pid = procp->p_pid;
 		bcopy(procp->p_comm, nfsd_master_comm, MAXCOMLEN + 1);
 		nfsd_master_start = procp->p_stats->p_start;
 		NFSD_VNET(nfsd_master_proc) = procp;
 		PROC_UNLOCK(procp);
 	} else if ((uap->flag & NFSSVC_SUSPENDNFSD) != 0) {
 		NFSLOCKV4ROOTMUTEX();
 		if (!NFSD_VNET(nfsrv_suspend_nfsd)) {
 			/* Lock out all nfsd threads */
 			do {
 				igotlock = nfsv4_lock(
 				    &NFSD_VNET(nfsd_suspend_lock), 1, NULL,
 				    NFSV4ROOTLOCKMUTEXPTR, NULL);
 			} while (igotlock == 0 &&
 			    !NFSD_VNET(nfsrv_suspend_nfsd));
 			NFSD_VNET(nfsrv_suspend_nfsd) = true;
 		}
 		NFSUNLOCKV4ROOTMUTEX();
 		error = 0;
 	} else if ((uap->flag & NFSSVC_RESUMENFSD) != 0) {
 		NFSLOCKV4ROOTMUTEX();
 		if (NFSD_VNET(nfsrv_suspend_nfsd)) {
 			nfsv4_unlock(&NFSD_VNET(nfsd_suspend_lock), 0);
 			NFSD_VNET(nfsrv_suspend_nfsd) = false;
 		}
 		NFSUNLOCKV4ROOTMUTEX();
 		error = 0;
 	}
 
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Check exports.
  * Returns 0 if ok, 1 otherwise.
  */
 int
 nfsvno_testexp(struct nfsrv_descript *nd, struct nfsexstuff *exp)
 {
 	int i;
 
 	if ((NFSVNO_EXTLS(exp) && (nd->nd_flag & ND_TLS) == 0) ||
 	    (NFSVNO_EXTLSCERT(exp) &&
 	     (nd->nd_flag & ND_TLSCERT) == 0) ||
 	    (NFSVNO_EXTLSCERTUSER(exp) &&
 	     (nd->nd_flag & ND_TLSCERTUSER) == 0)) {
 		if ((nd->nd_flag & ND_NFSV4) != 0)
 			return (NFSERR_WRONGSEC);
 #ifdef notnow
 		/* There is currently no auth_stat for this. */
 		else if ((nd->nd_flag & ND_TLS) == 0)
 			return (NFSERR_AUTHERR | AUTH_NEEDS_TLS);
 		else
 			return (NFSERR_AUTHERR | AUTH_NEEDS_TLS_MUTUAL_HOST);
 #endif
 		else
 			return (NFSERR_AUTHERR | AUTH_TOOWEAK);
 	}
 
 	/*
 	 * RFC2623 suggests that the NFSv3 Fsinfo RPC be allowed to use
 	 * AUTH_NONE or AUTH_SYS for file systems requiring RPCSEC_GSS.
 	 */
 	if ((nd->nd_flag & ND_NFSV3) != 0 && nd->nd_procnum == NFSPROC_FSINFO)
 		return (0);
 
 	/*
 	 * This seems odd, but allow the case where the security flavor
 	 * list is empty. This happens when NFSv4 is traversing non-exported
 	 * file systems. Exported file systems should always have a non-empty
 	 * security flavor list.
 	 */
 	if (exp->nes_numsecflavor == 0)
 		return (0);
 
 	for (i = 0; i < exp->nes_numsecflavor; i++) {
 		/*
 		 * The tests for privacy and integrity must be first,
 		 * since ND_GSS is set for everything but AUTH_SYS.
 		 */
 		if (exp->nes_secflavors[i] == RPCSEC_GSS_KRB5P &&
 		    (nd->nd_flag & ND_GSSPRIVACY))
 			return (0);
 		if (exp->nes_secflavors[i] == RPCSEC_GSS_KRB5I &&
 		    (nd->nd_flag & ND_GSSINTEGRITY))
 			return (0);
 		if (exp->nes_secflavors[i] == RPCSEC_GSS_KRB5 &&
 		    (nd->nd_flag & ND_GSS))
 			return (0);
 		if (exp->nes_secflavors[i] == AUTH_SYS &&
 		    (nd->nd_flag & ND_GSS) == 0)
 			return (0);
 	}
 	if ((nd->nd_flag & ND_NFSV4) != 0)
 		return (NFSERR_WRONGSEC);
 	return (NFSERR_AUTHERR | AUTH_TOOWEAK);
 }
 
 /*
  * Calculate a hash value for the fid in a file handle.
  */
 uint32_t
 nfsrv_hashfh(fhandle_t *fhp)
 {
 	uint32_t hashval;
 
 	hashval = hash32_buf(&fhp->fh_fid, sizeof(struct fid), 0);
 	return (hashval);
 }
 
 /*
  * Calculate a hash value for the sessionid.
  */
 uint32_t
 nfsrv_hashsessionid(uint8_t *sessionid)
 {
 	uint32_t hashval;
 
 	hashval = hash32_buf(sessionid, NFSX_V4SESSIONID, 0);
 	return (hashval);
 }
 
 /*
  * Signal the userland master nfsd to backup the stable restart file.
  */
 void
 nfsrv_backupstable(void)
 {
 	struct proc *procp;
 
 	if (NFSD_VNET(nfsd_master_proc) != NULL) {
 		procp = pfind(nfsd_master_pid);
 		/* Try to make sure it is the correct process. */
 		if (procp == NFSD_VNET(nfsd_master_proc) &&
 		    procp->p_stats->p_start.tv_sec ==
 		    nfsd_master_start.tv_sec &&
 		    procp->p_stats->p_start.tv_usec ==
 		    nfsd_master_start.tv_usec &&
 		    strcmp(procp->p_comm, nfsd_master_comm) == 0)
 			kern_psignal(procp, SIGUSR2);
 		else
 			NFSD_VNET(nfsd_master_proc) = NULL;
 
 		if (procp != NULL)
 			PROC_UNLOCK(procp);
 	}
 }
 
 /*
  * Create a DS data file for nfsrv_pnfscreate(). Called for each mirror.
  * The arguments are in a structure, so that they can be passed through
  * taskqueue for a kernel process to execute this function.
  */
 struct nfsrvdscreate {
 	int			done;
 	int			inprog;
 	struct task		tsk;
 	struct ucred		*tcred;
 	struct vnode		*dvp;
 	NFSPROC_T		*p;
 	struct pnfsdsfile	*pf;
 	int			err;
 	fhandle_t		fh;
 	struct vattr		va;
 	struct vattr		createva;
 };
 
 int
 nfsrv_dscreate(struct vnode *dvp, struct vattr *vap, struct vattr *nvap,
     fhandle_t *fhp, struct pnfsdsfile *pf, struct pnfsdsattr *dsa,
     char *fnamep, struct ucred *tcred, NFSPROC_T *p, struct vnode **nvpp)
 {
 	struct vnode *nvp;
 	struct nameidata named;
 	struct vattr va;
 	char *bufp;
 	u_long *hashp;
 	struct nfsnode *np;
 	struct nfsmount *nmp;
 	int error;
 
 	NFSNAMEICNDSET(&named.ni_cnd, tcred, CREATE,
 	    LOCKPARENT | LOCKLEAF | NOCACHE);
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	named.ni_cnd.cn_lkflags = LK_EXCLUSIVE;
 	named.ni_cnd.cn_nameptr = bufp;
 	if (fnamep != NULL) {
 		strlcpy(bufp, fnamep, PNFS_FILENAME_LEN + 1);
 		named.ni_cnd.cn_namelen = strlen(bufp);
 	} else
 		named.ni_cnd.cn_namelen = nfsrv_putfhname(fhp, bufp);
 	NFSD_DEBUG(4, "nfsrv_dscreate: dvp=%p fname=%s\n", dvp, bufp);
 
 	/* Create the date file in the DS mount. */
 	error = NFSVOPLOCK(dvp, LK_EXCLUSIVE);
 	if (error == 0) {
 		error = VOP_CREATE(dvp, &nvp, &named.ni_cnd, vap);
 		vref(dvp);
 		VOP_VPUT_PAIR(dvp, error == 0 ? &nvp : NULL, false);
 		if (error == 0) {
 			/* Set the ownership of the file. */
 			error = VOP_SETATTR(nvp, nvap, tcred);
 			NFSD_DEBUG(4, "nfsrv_dscreate:"
 			    " setattr-uid=%d\n", error);
 			if (error != 0)
 				vput(nvp);
 		}
 		if (error != 0)
 			printf("pNFS: pnfscreate failed=%d\n", error);
 	} else
 		printf("pNFS: pnfscreate vnlock=%d\n", error);
 	if (error == 0) {
 		np = VTONFS(nvp);
 		nmp = VFSTONFS(nvp->v_mount);
 		if (strcmp(nvp->v_mount->mnt_vfc->vfc_name, "nfs")
 		    != 0 || nmp->nm_nam->sa_len > sizeof(
 		    struct sockaddr_in6) ||
 		    np->n_fhp->nfh_len != NFSX_MYFH) {
 			printf("Bad DS file: fstype=%s salen=%d"
 			    " fhlen=%d\n",
 			    nvp->v_mount->mnt_vfc->vfc_name,
 			    nmp->nm_nam->sa_len, np->n_fhp->nfh_len);
 			error = ENOENT;
 		}
 
 		/* Set extattrs for the DS on the MDS file. */
 		if (error == 0) {
 			if (dsa != NULL) {
 				error = VOP_GETATTR(nvp, &va, tcred);
 				if (error == 0) {
 					dsa->dsa_filerev = va.va_filerev;
 					dsa->dsa_size = va.va_size;
 					dsa->dsa_atime = va.va_atime;
 					dsa->dsa_mtime = va.va_mtime;
 					dsa->dsa_bytes = va.va_bytes;
 				}
 			}
 			if (error == 0) {
 				NFSBCOPY(np->n_fhp->nfh_fh, &pf->dsf_fh,
 				    NFSX_MYFH);
 				NFSBCOPY(nmp->nm_nam, &pf->dsf_sin,
 				    nmp->nm_nam->sa_len);
 				NFSBCOPY(named.ni_cnd.cn_nameptr,
 				    pf->dsf_filename,
 				    sizeof(pf->dsf_filename));
 			}
 		} else
 			printf("pNFS: pnfscreate can't get DS"
 			    " attr=%d\n", error);
 		if (nvpp != NULL && error == 0)
 			*nvpp = nvp;
 		else
 			vput(nvp);
 	}
 	nfsvno_relpathbuf(&named);
 	return (error);
 }
 
 /*
  * Start up the thread that will execute nfsrv_dscreate().
  */
 static void
 start_dscreate(void *arg, int pending)
 {
 	struct nfsrvdscreate *dsc;
 
 	dsc = (struct nfsrvdscreate *)arg;
 	dsc->err = nfsrv_dscreate(dsc->dvp, &dsc->createva, &dsc->va, &dsc->fh,
 	    dsc->pf, NULL, NULL, dsc->tcred, dsc->p, NULL);
 	dsc->done = 1;
 	NFSD_DEBUG(4, "start_dscreate: err=%d\n", dsc->err);
 }
 
 /*
  * Create a pNFS data file on the Data Server(s).
  */
 static void
 nfsrv_pnfscreate(struct vnode *vp, struct vattr *vap, struct ucred *cred,
     NFSPROC_T *p)
 {
 	struct nfsrvdscreate *dsc, *tdsc = NULL;
 	struct nfsdevice *ds, *tds, *fds;
 	struct mount *mp;
 	struct pnfsdsfile *pf, *tpf;
 	struct pnfsdsattr dsattr;
 	struct vattr va;
 	struct vnode *dvp[NFSDEV_MAXMIRRORS];
 	struct nfsmount *nmp;
 	fhandle_t fh;
 	uid_t vauid;
 	gid_t vagid;
 	u_short vamode;
 	struct ucred *tcred;
 	int dsdir[NFSDEV_MAXMIRRORS], error, i, mirrorcnt, ret;
 	int failpos, timo;
 
 	/* Get a DS server directory in a round-robin order. */
 	mirrorcnt = 1;
 	mp = vp->v_mount;
 	ds = fds = NULL;
 	NFSDDSLOCK();
 	/*
 	 * Search for the first entry that handles this MDS fs, but use the
 	 * first entry for all MDS fs's otherwise.
 	 */
 	TAILQ_FOREACH(tds, &nfsrv_devidhead, nfsdev_list) {
 		if (tds->nfsdev_nmp != NULL) {
 			if (tds->nfsdev_mdsisset == 0 && ds == NULL)
 				ds = tds;
 			else if (tds->nfsdev_mdsisset != 0 && fsidcmp(
 			    &mp->mnt_stat.f_fsid, &tds->nfsdev_mdsfsid) == 0) {
 				ds = fds = tds;
 				break;
 			}
 		}
 	}
 	if (ds == NULL) {
 		NFSDDSUNLOCK();
 		NFSD_DEBUG(4, "nfsrv_pnfscreate: no srv\n");
 		return;
 	}
 	i = dsdir[0] = ds->nfsdev_nextdir;
 	ds->nfsdev_nextdir = (ds->nfsdev_nextdir + 1) % nfsrv_dsdirsize;
 	dvp[0] = ds->nfsdev_dsdir[i];
 	tds = TAILQ_NEXT(ds, nfsdev_list);
 	if (nfsrv_maxpnfsmirror > 1 && tds != NULL) {
 		TAILQ_FOREACH_FROM(tds, &nfsrv_devidhead, nfsdev_list) {
 			if (tds->nfsdev_nmp != NULL &&
 			    ((tds->nfsdev_mdsisset == 0 && fds == NULL) ||
 			     (tds->nfsdev_mdsisset != 0 && fds != NULL &&
 			      fsidcmp(&mp->mnt_stat.f_fsid,
 			      &tds->nfsdev_mdsfsid) == 0))) {
 				dsdir[mirrorcnt] = i;
 				dvp[mirrorcnt] = tds->nfsdev_dsdir[i];
 				mirrorcnt++;
 				if (mirrorcnt >= nfsrv_maxpnfsmirror)
 					break;
 			}
 		}
 	}
 	/* Put at end of list to implement round-robin usage. */
 	TAILQ_REMOVE(&nfsrv_devidhead, ds, nfsdev_list);
 	TAILQ_INSERT_TAIL(&nfsrv_devidhead, ds, nfsdev_list);
 	NFSDDSUNLOCK();
 	dsc = NULL;
 	if (mirrorcnt > 1)
 		tdsc = dsc = malloc(sizeof(*dsc) * (mirrorcnt - 1), M_TEMP,
 		    M_WAITOK | M_ZERO);
 	tpf = pf = malloc(sizeof(*pf) * nfsrv_maxpnfsmirror, M_TEMP, M_WAITOK |
 	    M_ZERO);
 
 	error = nfsvno_getfh(vp, &fh, p);
 	if (error == 0)
 		error = VOP_GETATTR(vp, &va, cred);
 	if (error == 0) {
 		/* Set the attributes for "vp" to Setattr the DS vp. */
 		vauid = va.va_uid;
 		vagid = va.va_gid;
 		vamode = va.va_mode;
 		VATTR_NULL(&va);
 		va.va_uid = vauid;
 		va.va_gid = vagid;
 		va.va_mode = vamode;
 		va.va_size = 0;
 	} else
 		printf("pNFS: pnfscreate getfh+attr=%d\n", error);
 
 	NFSD_DEBUG(4, "nfsrv_pnfscreate: cruid=%d crgid=%d\n", cred->cr_uid,
 	    cred->cr_gid);
 	/* Make data file name based on FH. */
 	tcred = newnfs_getcred();
 
 	/*
 	 * Create the file on each DS mirror, using kernel process(es) for the
 	 * additional mirrors.
 	 */
 	failpos = -1;
 	for (i = 0; i < mirrorcnt - 1 && error == 0; i++, tpf++, tdsc++) {
 		tpf->dsf_dir = dsdir[i];
 		tdsc->tcred = tcred;
 		tdsc->p = p;
 		tdsc->pf = tpf;
 		tdsc->createva = *vap;
 		NFSBCOPY(&fh, &tdsc->fh, sizeof(fh));
 		tdsc->va = va;
 		tdsc->dvp = dvp[i];
 		tdsc->done = 0;
 		tdsc->inprog = 0;
 		tdsc->err = 0;
 		ret = EIO;
 		if (nfs_pnfsiothreads != 0) {
 			ret = nfs_pnfsio(start_dscreate, tdsc);
 			NFSD_DEBUG(4, "nfsrv_pnfscreate: nfs_pnfsio=%d\n", ret);
 		}
 		if (ret != 0) {
 			ret = nfsrv_dscreate(dvp[i], vap, &va, &fh, tpf, NULL,
 			    NULL, tcred, p, NULL);
 			if (ret != 0) {
 				KASSERT(error == 0, ("nfsrv_dscreate err=%d",
 				    error));
 				if (failpos == -1 && nfsds_failerr(ret))
 					failpos = i;
 				else
 					error = ret;
 			}
 		}
 	}
 	if (error == 0) {
 		tpf->dsf_dir = dsdir[mirrorcnt - 1];
 		error = nfsrv_dscreate(dvp[mirrorcnt - 1], vap, &va, &fh, tpf,
 		    &dsattr, NULL, tcred, p, NULL);
 		if (failpos == -1 && mirrorcnt > 1 && nfsds_failerr(error)) {
 			failpos = mirrorcnt - 1;
 			error = 0;
 		}
 	}
 	timo = hz / 50;		/* Wait for 20msec. */
 	if (timo < 1)
 		timo = 1;
 	/* Wait for kernel task(s) to complete. */
 	for (tdsc = dsc, i = 0; i < mirrorcnt - 1; i++, tdsc++) {
 		while (tdsc->inprog != 0 && tdsc->done == 0)
 			tsleep(&tdsc->tsk, PVFS, "srvdcr", timo);
 		if (tdsc->err != 0) {
 			if (failpos == -1 && nfsds_failerr(tdsc->err))
 				failpos = i;
 			else if (error == 0)
 				error = tdsc->err;
 		}
 	}
 
 	/*
 	 * If failpos has been set, that mirror has failed, so it needs
 	 * to be disabled.
 	 */
 	if (failpos >= 0) {
 		nmp = VFSTONFS(dvp[failpos]->v_mount);
 		NFSLOCKMNT(nmp);
 		if ((nmp->nm_privflag & (NFSMNTP_FORCEDISM |
 		     NFSMNTP_CANCELRPCS)) == 0) {
 			nmp->nm_privflag |= NFSMNTP_CANCELRPCS;
 			NFSUNLOCKMNT(nmp);
 			ds = nfsrv_deldsnmp(PNFSDOP_DELDSSERVER, nmp, p);
 			NFSD_DEBUG(4, "dscreatfail fail=%d ds=%p\n", failpos,
 			    ds);
 			if (ds != NULL)
 				nfsrv_killrpcs(nmp);
 			NFSLOCKMNT(nmp);
 			nmp->nm_privflag &= ~NFSMNTP_CANCELRPCS;
 			wakeup(nmp);
 		}
 		NFSUNLOCKMNT(nmp);
 	}
 
 	NFSFREECRED(tcred);
 	if (error == 0) {
 		ASSERT_VOP_ELOCKED(vp, "nfsrv_pnfscreate vp");
 
 		NFSD_DEBUG(4, "nfsrv_pnfscreate: mirrorcnt=%d maxmirror=%d\n",
 		    mirrorcnt, nfsrv_maxpnfsmirror);
 		/*
 		 * For all mirrors that couldn't be created, fill in the
 		 * *pf structure, but with an IP address == 0.0.0.0.
 		 */
 		tpf = pf + mirrorcnt;
 		for (i = mirrorcnt; i < nfsrv_maxpnfsmirror; i++, tpf++) {
 			*tpf = *pf;
 			tpf->dsf_sin.sin_family = AF_INET;
 			tpf->dsf_sin.sin_len = sizeof(struct sockaddr_in);
 			tpf->dsf_sin.sin_addr.s_addr = 0;
 			tpf->dsf_sin.sin_port = 0;
 		}
 
 		error = vn_extattr_set(vp, IO_NODELOCKED,
 		    EXTATTR_NAMESPACE_SYSTEM, "pnfsd.dsfile",
 		    sizeof(*pf) * nfsrv_maxpnfsmirror, (char *)pf, p);
 		if (error == 0)
 			error = vn_extattr_set(vp, IO_NODELOCKED,
 			    EXTATTR_NAMESPACE_SYSTEM, "pnfsd.dsattr",
 			    sizeof(dsattr), (char *)&dsattr, p);
 		if (error != 0)
 			printf("pNFS: pnfscreate setextattr=%d\n",
 			    error);
 	} else
 		printf("pNFS: pnfscreate=%d\n", error);
 	free(pf, M_TEMP);
 	free(dsc, M_TEMP);
 }
 
 /*
  * Get the information needed to remove the pNFS Data Server file from the
  * Metadata file.  Upon success, ddvp is set non-NULL to the locked
  * DS directory vnode.  The caller must unlock *ddvp when done with it.
  */
 static void
 nfsrv_pnfsremovesetup(struct vnode *vp, NFSPROC_T *p, struct vnode **dvpp,
     int *mirrorcntp, char *fname, fhandle_t *fhp)
 {
 	struct vattr va;
 	struct ucred *tcred;
 	char *buf;
 	int buflen, error;
 
 	dvpp[0] = NULL;
 	/* If not an exported regular file or not a pNFS server, just return. */
 	if (vp->v_type != VREG || (vp->v_mount->mnt_flag & MNT_EXPORTED) == 0 ||
 	    nfsrv_devidcnt == 0)
 		return;
 
 	/* Check to see if this is the last hard link. */
 	tcred = newnfs_getcred();
 	error = VOP_GETATTR(vp, &va, tcred);
 	NFSFREECRED(tcred);
 	if (error != 0) {
 		printf("pNFS: nfsrv_pnfsremovesetup getattr=%d\n", error);
 		return;
 	}
 	if (va.va_nlink > 1)
 		return;
 
 	error = nfsvno_getfh(vp, fhp, p);
 	if (error != 0) {
 		printf("pNFS: nfsrv_pnfsremovesetup getfh=%d\n", error);
 		return;
 	}
 
 	buflen = 1024;
 	buf = malloc(buflen, M_TEMP, M_WAITOK);
 	/* Get the directory vnode for the DS mount and the file handle. */
 	error = nfsrv_dsgetsockmnt(vp, 0, buf, &buflen, mirrorcntp, p, dvpp,
 	    NULL, NULL, fname, NULL, NULL, NULL, NULL, NULL);
 	free(buf, M_TEMP);
 	if (error != 0)
 		printf("pNFS: nfsrv_pnfsremovesetup getsockmnt=%d\n", error);
 }
 
 /*
  * Remove a DS data file for nfsrv_pnfsremove(). Called for each mirror.
  * The arguments are in a structure, so that they can be passed through
  * taskqueue for a kernel process to execute this function.
  */
 struct nfsrvdsremove {
 	int			done;
 	int			inprog;
 	struct task		tsk;
 	struct ucred		*tcred;
 	struct vnode		*dvp;
 	NFSPROC_T		*p;
 	int			err;
 	char			fname[PNFS_FILENAME_LEN + 1];
 };
 
 static int
 nfsrv_dsremove(struct vnode *dvp, char *fname, struct ucred *tcred,
     NFSPROC_T *p)
 {
 	struct nameidata named;
 	struct vnode *nvp;
 	char *bufp;
 	u_long *hashp;
 	int error;
 
 	error = NFSVOPLOCK(dvp, LK_EXCLUSIVE);
 	if (error != 0)
 		return (error);
 	named.ni_cnd.cn_nameiop = DELETE;
 	named.ni_cnd.cn_lkflags = LK_EXCLUSIVE | LK_RETRY;
 	named.ni_cnd.cn_cred = tcred;
 	named.ni_cnd.cn_flags = ISLASTCN | LOCKPARENT | LOCKLEAF;
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	named.ni_cnd.cn_nameptr = bufp;
 	named.ni_cnd.cn_namelen = strlen(fname);
 	strlcpy(bufp, fname, NAME_MAX);
 	NFSD_DEBUG(4, "nfsrv_pnfsremove: filename=%s\n", bufp);
 	error = VOP_LOOKUP(dvp, &nvp, &named.ni_cnd);
 	NFSD_DEBUG(4, "nfsrv_pnfsremove: aft LOOKUP=%d\n", error);
 	if (error == 0) {
 		error = VOP_REMOVE(dvp, nvp, &named.ni_cnd);
 		vput(nvp);
 	}
 	NFSVOPUNLOCK(dvp);
 	nfsvno_relpathbuf(&named);
 	if (error != 0)
 		printf("pNFS: nfsrv_pnfsremove failed=%d\n", error);
 	return (error);
 }
 
 /*
  * Start up the thread that will execute nfsrv_dsremove().
  */
 static void
 start_dsremove(void *arg, int pending)
 {
 	struct nfsrvdsremove *dsrm;
 
 	dsrm = (struct nfsrvdsremove *)arg;
 	dsrm->err = nfsrv_dsremove(dsrm->dvp, dsrm->fname, dsrm->tcred,
 	    dsrm->p);
 	dsrm->done = 1;
 	NFSD_DEBUG(4, "start_dsremove: err=%d\n", dsrm->err);
 }
 
 /*
  * Remove a pNFS data file from a Data Server.
  * nfsrv_pnfsremovesetup() must have been called before the MDS file was
  * removed to set up the dvp and fill in the FH.
  */
 static void
 nfsrv_pnfsremove(struct vnode **dvp, int mirrorcnt, char *fname, fhandle_t *fhp,
     NFSPROC_T *p)
 {
 	struct ucred *tcred;
 	struct nfsrvdsremove *dsrm, *tdsrm;
 	struct nfsdevice *ds;
 	struct nfsmount *nmp;
 	int failpos, i, ret, timo;
 
 	tcred = newnfs_getcred();
 	dsrm = NULL;
 	if (mirrorcnt > 1)
 		dsrm = malloc(sizeof(*dsrm) * mirrorcnt - 1, M_TEMP, M_WAITOK);
 	/*
 	 * Remove the file on each DS mirror, using kernel process(es) for the
 	 * additional mirrors.
 	 */
 	failpos = -1;
 	for (tdsrm = dsrm, i = 0; i < mirrorcnt - 1; i++, tdsrm++) {
 		tdsrm->tcred = tcred;
 		tdsrm->p = p;
 		tdsrm->dvp = dvp[i];
 		strlcpy(tdsrm->fname, fname, PNFS_FILENAME_LEN + 1);
 		tdsrm->inprog = 0;
 		tdsrm->done = 0;
 		tdsrm->err = 0;
 		ret = EIO;
 		if (nfs_pnfsiothreads != 0) {
 			ret = nfs_pnfsio(start_dsremove, tdsrm);
 			NFSD_DEBUG(4, "nfsrv_pnfsremove: nfs_pnfsio=%d\n", ret);
 		}
 		if (ret != 0) {
 			ret = nfsrv_dsremove(dvp[i], fname, tcred, p);
 			if (failpos == -1 && nfsds_failerr(ret))
 				failpos = i;
 		}
 	}
 	ret = nfsrv_dsremove(dvp[mirrorcnt - 1], fname, tcred, p);
 	if (failpos == -1 && mirrorcnt > 1 && nfsds_failerr(ret))
 		failpos = mirrorcnt - 1;
 	timo = hz / 50;		/* Wait for 20msec. */
 	if (timo < 1)
 		timo = 1;
 	/* Wait for kernel task(s) to complete. */
 	for (tdsrm = dsrm, i = 0; i < mirrorcnt - 1; i++, tdsrm++) {
 		while (tdsrm->inprog != 0 && tdsrm->done == 0)
 			tsleep(&tdsrm->tsk, PVFS, "srvdsrm", timo);
 		if (failpos == -1 && nfsds_failerr(tdsrm->err))
 			failpos = i;
 	}
 
 	/*
 	 * If failpos has been set, that mirror has failed, so it needs
 	 * to be disabled.
 	 */
 	if (failpos >= 0) {
 		nmp = VFSTONFS(dvp[failpos]->v_mount);
 		NFSLOCKMNT(nmp);
 		if ((nmp->nm_privflag & (NFSMNTP_FORCEDISM |
 		     NFSMNTP_CANCELRPCS)) == 0) {
 			nmp->nm_privflag |= NFSMNTP_CANCELRPCS;
 			NFSUNLOCKMNT(nmp);
 			ds = nfsrv_deldsnmp(PNFSDOP_DELDSSERVER, nmp, p);
 			NFSD_DEBUG(4, "dsremovefail fail=%d ds=%p\n", failpos,
 			    ds);
 			if (ds != NULL)
 				nfsrv_killrpcs(nmp);
 			NFSLOCKMNT(nmp);
 			nmp->nm_privflag &= ~NFSMNTP_CANCELRPCS;
 			wakeup(nmp);
 		}
 		NFSUNLOCKMNT(nmp);
 	}
 
 	/* Get rid all layouts for the file. */
 	nfsrv_freefilelayouts(fhp);
 
 	NFSFREECRED(tcred);
 	free(dsrm, M_TEMP);
 }
 
 /*
  * Generate a file name based on the file handle and put it in *bufp.
  * Return the number of bytes generated.
  */
 static int
 nfsrv_putfhname(fhandle_t *fhp, char *bufp)
 {
 	int i;
 	uint8_t *cp;
 	const uint8_t *hexdigits = "0123456789abcdef";
 
 	cp = (uint8_t *)fhp;
 	for (i = 0; i < sizeof(*fhp); i++) {
 		bufp[2 * i] = hexdigits[(*cp >> 4) & 0xf];
 		bufp[2 * i + 1] = hexdigits[*cp++ & 0xf];
 	}
 	bufp[2 * i] = '\0';
 	return (2 * i);
 }
 
 /*
  * Update the Metadata file's attributes from the DS file when a Read/Write
  * layout is returned.
  * Basically just call nfsrv_proxyds() with procedure == NFSPROC_LAYOUTRETURN
  * so that it does a nfsrv_getattrdsrpc() and nfsrv_setextattr() on the DS file.
  */
 int
 nfsrv_updatemdsattr(struct vnode *vp, struct nfsvattr *nap, NFSPROC_T *p)
 {
 	struct ucred *tcred;
 	int error;
 
 	/* Do this as root so that it won't fail with EACCES. */
 	tcred = newnfs_getcred();
 	error = nfsrv_proxyds(vp, 0, 0, tcred, p, NFSPROC_LAYOUTRETURN,
 	    NULL, NULL, NULL, nap, NULL, NULL, 0, NULL);
 	NFSFREECRED(tcred);
 	return (error);
 }
 
 /*
  * Set the NFSv4 ACL on the DS file to the same ACL as the MDS file.
  */
 static int
 nfsrv_dssetacl(struct vnode *vp, struct acl *aclp, struct ucred *cred,
     NFSPROC_T *p)
 {
 	int error;
 
 	error = nfsrv_proxyds(vp, 0, 0, cred, p, NFSPROC_SETACL,
 	    NULL, NULL, NULL, NULL, aclp, NULL, 0, NULL);
 	return (error);
 }
 
 static int
 nfsrv_proxyds(struct vnode *vp, off_t off, int cnt, struct ucred *cred,
     struct thread *p, int ioproc, struct mbuf **mpp, char *cp,
     struct mbuf **mpp2, struct nfsvattr *nap, struct acl *aclp,
     off_t *offp, int content, bool *eofp)
 {
 	struct nfsmount *nmp[NFSDEV_MAXMIRRORS], *failnmp;
 	fhandle_t fh[NFSDEV_MAXMIRRORS];
 	struct vnode *dvp[NFSDEV_MAXMIRRORS];
 	struct nfsdevice *ds;
 	struct pnfsdsattr dsattr;
 	struct opnfsdsattr odsattr;
 	char *buf;
 	int buflen, error, failpos, i, mirrorcnt, origmircnt, trycnt;
 
 	NFSD_DEBUG(4, "in nfsrv_proxyds\n");
 	/*
 	 * If not a regular file, not exported or not a pNFS server,
 	 * just return ENOENT.
 	 */
 	if (vp->v_type != VREG || (vp->v_mount->mnt_flag & MNT_EXPORTED) == 0 ||
 	    nfsrv_devidcnt == 0)
 		return (ENOENT);
 
 	buflen = 1024;
 	buf = malloc(buflen, M_TEMP, M_WAITOK);
 	error = 0;
 
 	/*
 	 * For Getattr, get the Change attribute (va_filerev) and size (va_size)
 	 * from the MetaData file's extended attribute.
 	 */
 	if (ioproc == NFSPROC_GETATTR) {
 		error = vn_extattr_get(vp, IO_NODELOCKED,
 		    EXTATTR_NAMESPACE_SYSTEM, "pnfsd.dsattr", &buflen, buf,
 		    p);
 		if (error == 0) {
 			if (buflen == sizeof(odsattr)) {
 				NFSBCOPY(buf, &odsattr, buflen);
 				nap->na_filerev = odsattr.dsa_filerev;
 				nap->na_size = odsattr.dsa_size;
 				nap->na_atime = odsattr.dsa_atime;
 				nap->na_mtime = odsattr.dsa_mtime;
 				/*
 				 * Fake na_bytes by rounding up na_size.
 				 * Since we don't know the block size, just
 				 * use BLKDEV_IOSIZE.
 				 */
 				nap->na_bytes = (odsattr.dsa_size +
 				    BLKDEV_IOSIZE - 1) & ~(BLKDEV_IOSIZE - 1);
 			} else if (buflen == sizeof(dsattr)) {
 				NFSBCOPY(buf, &dsattr, buflen);
 				nap->na_filerev = dsattr.dsa_filerev;
 				nap->na_size = dsattr.dsa_size;
 				nap->na_atime = dsattr.dsa_atime;
 				nap->na_mtime = dsattr.dsa_mtime;
 				nap->na_bytes = dsattr.dsa_bytes;
 			} else
 				error = ENXIO;
 		}
 		if (error == 0) {
 			/*
 			 * If nfsrv_pnfsgetdsattr is 0 or nfsrv_checkdsattr()
 			 * returns 0, just return now.  nfsrv_checkdsattr()
 			 * returns 0 if there is no Read/Write layout
 			 * plus either an Open/Write_access or Write
 			 * delegation issued to a client for the file.
 			 */
 			if (nfsrv_pnfsgetdsattr == 0 ||
 			    nfsrv_checkdsattr(vp, p) == 0) {
 				free(buf, M_TEMP);
 				return (error);
 			}
 		}
 
 		/*
 		 * Clear ENOATTR so the code below will attempt to do a
 		 * nfsrv_getattrdsrpc() to get the attributes and (re)create
 		 * the extended attribute.
 		 */
 		if (error == ENOATTR)
 			error = 0;
 	}
 
 	origmircnt = -1;
 	trycnt = 0;
 tryagain:
 	if (error == 0) {
 		buflen = 1024;
 		if (ioproc == NFSPROC_READDS && NFSVOPISLOCKED(vp) ==
 		    LK_EXCLUSIVE)
 			printf("nfsrv_proxyds: Readds vp exclusively locked\n");
 		error = nfsrv_dsgetsockmnt(vp, LK_SHARED, buf, &buflen,
 		    &mirrorcnt, p, dvp, fh, NULL, NULL, NULL, NULL, NULL,
 		    NULL, NULL);
 		if (error == 0) {
 			for (i = 0; i < mirrorcnt; i++)
 				nmp[i] = VFSTONFS(dvp[i]->v_mount);
 		} else
 			printf("pNFS: proxy getextattr sockaddr=%d\n", error);
 	} else
 		printf("pNFS: nfsrv_dsgetsockmnt=%d\n", error);
 	if (error == 0) {
 		failpos = -1;
 		if (origmircnt == -1)
 			origmircnt = mirrorcnt;
 		/*
 		 * If failpos is set to a mirror#, then that mirror has
 		 * failed and will be disabled. For Read, Getattr and Seek, the
 		 * function only tries one mirror, so if that mirror has
 		 * failed, it will need to be retried. As such, increment
 		 * tryitagain for these cases.
 		 * For Write, Setattr and Setacl, the function tries all
 		 * mirrors and will not return an error for the case where
 		 * one mirror has failed. For these cases, the functioning
 		 * mirror(s) will have been modified, so a retry isn't
 		 * necessary. These functions will set failpos for the
 		 * failed mirror#.
 		 */
 		if (ioproc == NFSPROC_READDS) {
 			error = nfsrv_readdsrpc(fh, off, cnt, cred, p, nmp[0],
 			    mpp, mpp2);
 			if (nfsds_failerr(error) && mirrorcnt > 1) {
 				/*
 				 * Setting failpos will cause the mirror
 				 * to be disabled and then a retry of this
 				 * read is required.
 				 */
 				failpos = 0;
 				error = 0;
 				trycnt++;
 			}
 		} else if (ioproc == NFSPROC_WRITEDS)
 			error = nfsrv_writedsrpc(fh, off, cnt, cred, p, vp,
 			    &nmp[0], mirrorcnt, mpp, cp, &failpos);
 		else if (ioproc == NFSPROC_SETATTR)
 			error = nfsrv_setattrdsrpc(fh, cred, p, vp, &nmp[0],
 			    mirrorcnt, nap, &failpos);
 		else if (ioproc == NFSPROC_SETACL)
 			error = nfsrv_setacldsrpc(fh, cred, p, vp, &nmp[0],
 			    mirrorcnt, aclp, &failpos);
 		else if (ioproc == NFSPROC_SEEKDS) {
 			error = nfsrv_seekdsrpc(fh, offp, content, eofp, cred,
 			    p, nmp[0]);
 			if (nfsds_failerr(error) && mirrorcnt > 1) {
 				/*
 				 * Setting failpos will cause the mirror
 				 * to be disabled and then a retry of this
 				 * read is required.
 				 */
 				failpos = 0;
 				error = 0;
 				trycnt++;
 			}
 		} else if (ioproc == NFSPROC_ALLOCATE)
 			error = nfsrv_allocatedsrpc(fh, off, *offp, cred, p, vp,
 			    &nmp[0], mirrorcnt, &failpos);
 		else if (ioproc == NFSPROC_DEALLOCATE)
 			error = nfsrv_deallocatedsrpc(fh, off, *offp, cred, p,
 			    vp, &nmp[0], mirrorcnt, &failpos);
 		else {
 			error = nfsrv_getattrdsrpc(&fh[mirrorcnt - 1], cred, p,
 			    vp, nmp[mirrorcnt - 1], nap);
 			if (nfsds_failerr(error) && mirrorcnt > 1) {
 				/*
 				 * Setting failpos will cause the mirror
 				 * to be disabled and then a retry of this
 				 * getattr is required.
 				 */
 				failpos = mirrorcnt - 1;
 				error = 0;
 				trycnt++;
 			}
 		}
 		ds = NULL;
 		if (failpos >= 0) {
 			failnmp = nmp[failpos];
 			NFSLOCKMNT(failnmp);
 			if ((failnmp->nm_privflag & (NFSMNTP_FORCEDISM |
 			     NFSMNTP_CANCELRPCS)) == 0) {
 				failnmp->nm_privflag |= NFSMNTP_CANCELRPCS;
 				NFSUNLOCKMNT(failnmp);
 				ds = nfsrv_deldsnmp(PNFSDOP_DELDSSERVER,
 				    failnmp, p);
 				NFSD_DEBUG(4, "dsldsnmp fail=%d ds=%p\n",
 				    failpos, ds);
 				if (ds != NULL)
 					nfsrv_killrpcs(failnmp);
 				NFSLOCKMNT(failnmp);
 				failnmp->nm_privflag &= ~NFSMNTP_CANCELRPCS;
 				wakeup(failnmp);
 			}
 			NFSUNLOCKMNT(failnmp);
 		}
 		for (i = 0; i < mirrorcnt; i++)
 			NFSVOPUNLOCK(dvp[i]);
 		NFSD_DEBUG(4, "nfsrv_proxyds: aft RPC=%d trya=%d\n", error,
 		    trycnt);
 		/* Try the Read/Getattr again if a mirror was deleted. */
 		if (ds != NULL && trycnt > 0 && trycnt < origmircnt)
 			goto tryagain;
 	} else {
 		/* Return ENOENT for any Extended Attribute error. */
 		error = ENOENT;
 	}
 	free(buf, M_TEMP);
 	NFSD_DEBUG(4, "nfsrv_proxyds: error=%d\n", error);
 	return (error);
 }
 
 /*
  * Get the DS mount point, fh and directory from the "pnfsd.dsfile" extended
  * attribute.
  * newnmpp - If it points to a non-NULL nmp, that is the destination and needs
  *           to be checked.  If it points to a NULL nmp, then it returns
  *           a suitable destination.
  * curnmp - If non-NULL, it is the source mount for the copy.
  */
 int
 nfsrv_dsgetsockmnt(struct vnode *vp, int lktype, char *buf, int *buflenp,
     int *mirrorcntp, NFSPROC_T *p, struct vnode **dvpp, fhandle_t *fhp,
     char *devid, char *fnamep, struct vnode **nvpp, struct nfsmount **newnmpp,
     struct nfsmount *curnmp, int *ippos, int *dsdirp)
 {
 	struct vnode *dvp, *nvp = NULL, **tdvpp;
 	struct mount *mp;
 	struct nfsmount *nmp, *newnmp;
 	struct sockaddr *sad;
 	struct sockaddr_in *sin;
 	struct nfsdevice *ds, *tds, *fndds;
 	struct pnfsdsfile *pf;
 	uint32_t dsdir;
 	int error, fhiszero, fnd, gotone, i, mirrorcnt;
 
 	ASSERT_VOP_LOCKED(vp, "nfsrv_dsgetsockmnt vp");
 	*mirrorcntp = 1;
 	tdvpp = dvpp;
 	if (nvpp != NULL)
 		*nvpp = NULL;
 	if (dvpp != NULL)
 		*dvpp = NULL;
 	if (ippos != NULL)
 		*ippos = -1;
 	if (newnmpp != NULL)
 		newnmp = *newnmpp;
 	else
 		newnmp = NULL;
 	mp = vp->v_mount;
 	error = vn_extattr_get(vp, IO_NODELOCKED, EXTATTR_NAMESPACE_SYSTEM,
 	    "pnfsd.dsfile", buflenp, buf, p);
 	mirrorcnt = *buflenp / sizeof(*pf);
 	if (error == 0 && (mirrorcnt < 1 || mirrorcnt > NFSDEV_MAXMIRRORS ||
 	    *buflenp != sizeof(*pf) * mirrorcnt))
 		error = ENOATTR;
 
 	pf = (struct pnfsdsfile *)buf;
 	/* If curnmp != NULL, check for a match in the mirror list. */
 	if (curnmp != NULL && error == 0) {
 		fnd = 0;
 		for (i = 0; i < mirrorcnt; i++, pf++) {
 			sad = (struct sockaddr *)&pf->dsf_sin;
 			if (nfsaddr2_match(sad, curnmp->nm_nam)) {
 				if (ippos != NULL)
 					*ippos = i;
 				fnd = 1;
 				break;
 			}
 		}
 		if (fnd == 0)
 			error = ENXIO;
 	}
 
 	gotone = 0;
 	pf = (struct pnfsdsfile *)buf;
 	NFSD_DEBUG(4, "nfsrv_dsgetsockmnt: mirrorcnt=%d err=%d\n", mirrorcnt,
 	    error);
 	for (i = 0; i < mirrorcnt && error == 0; i++, pf++) {
 		fhiszero = 0;
 		sad = (struct sockaddr *)&pf->dsf_sin;
 		sin = &pf->dsf_sin;
 		dsdir = pf->dsf_dir;
 		if (dsdir >= nfsrv_dsdirsize) {
 			printf("nfsrv_dsgetsockmnt: dsdir=%d\n", dsdir);
 			error = ENOATTR;
 		} else if (nvpp != NULL && newnmp != NULL &&
 		    nfsaddr2_match(sad, newnmp->nm_nam))
 			error = EEXIST;
 		if (error == 0) {
 			if (ippos != NULL && curnmp == NULL &&
 			    sad->sa_family == AF_INET &&
 			    sin->sin_addr.s_addr == 0)
 				*ippos = i;
 			if (NFSBCMP(&zerofh, &pf->dsf_fh, sizeof(zerofh)) == 0)
 				fhiszero = 1;
 			/* Use the socket address to find the mount point. */
 			fndds = NULL;
 			NFSDDSLOCK();
 			/* Find a match for the IP address. */
 			TAILQ_FOREACH(ds, &nfsrv_devidhead, nfsdev_list) {
 				if (ds->nfsdev_nmp != NULL) {
 					dvp = ds->nfsdev_dvp;
 					nmp = VFSTONFS(dvp->v_mount);
 					if (nmp != ds->nfsdev_nmp)
 						printf("different2 nmp %p %p\n",
 						    nmp, ds->nfsdev_nmp);
 					if (nfsaddr2_match(sad, nmp->nm_nam)) {
 						fndds = ds;
 						break;
 					}
 				}
 			}
 			if (fndds != NULL && newnmpp != NULL &&
 			    newnmp == NULL) {
 				/* Search for a place to make a mirror copy. */
 				TAILQ_FOREACH(tds, &nfsrv_devidhead,
 				    nfsdev_list) {
 					if (tds->nfsdev_nmp != NULL &&
 					    fndds != tds &&
 					    ((tds->nfsdev_mdsisset == 0 &&
 					      fndds->nfsdev_mdsisset == 0) ||
 					     (tds->nfsdev_mdsisset != 0 &&
 					      fndds->nfsdev_mdsisset != 0 &&
 					      fsidcmp(&tds->nfsdev_mdsfsid,
 					      &mp->mnt_stat.f_fsid) == 0))) {
 						*newnmpp = tds->nfsdev_nmp;
 						break;
 					}
 				}
 				if (tds != NULL) {
 					/*
 					 * Move this entry to the end of the
 					 * list, so it won't be selected as
 					 * easily the next time.
 					 */
 					TAILQ_REMOVE(&nfsrv_devidhead, tds,
 					    nfsdev_list);
 					TAILQ_INSERT_TAIL(&nfsrv_devidhead, tds,
 					    nfsdev_list);
 				}
 			}
 			NFSDDSUNLOCK();
 			if (fndds != NULL) {
 				dvp = fndds->nfsdev_dsdir[dsdir];
 				if (lktype != 0 || fhiszero != 0 ||
 				    (nvpp != NULL && *nvpp == NULL)) {
 					if (fhiszero != 0)
 						error = vn_lock(dvp,
 						    LK_EXCLUSIVE);
 					else if (lktype != 0)
 						error = vn_lock(dvp, lktype);
 					else
 						error = vn_lock(dvp, LK_SHARED);
 					/*
 					 * If the file handle is all 0's, try to
 					 * do a Lookup against the DS to acquire
 					 * it.
 					 * If dvpp == NULL or the Lookup fails,
 					 * unlock dvp after the call.
 					 */
 					if (error == 0 && (fhiszero != 0 ||
 					    (nvpp != NULL && *nvpp == NULL))) {
 						error = nfsrv_pnfslookupds(vp,
 						    dvp, pf, &nvp, p);
 						if (error == 0) {
 							if (fhiszero != 0)
 								nfsrv_pnfssetfh(
 								    vp, pf,
 								    devid,
 								    fnamep,
 								    nvp, p);
 							if (nvpp != NULL &&
 							    *nvpp == NULL) {
 								*nvpp = nvp;
 								*dsdirp = dsdir;
 							} else
 								vput(nvp);
 						}
 						if (error != 0 || lktype == 0)
 							NFSVOPUNLOCK(dvp);
 					}
 				}
 				if (error == 0) {
 					gotone++;
 					NFSD_DEBUG(4, "gotone=%d\n", gotone);
 					if (devid != NULL) {
 						NFSBCOPY(fndds->nfsdev_deviceid,
 						    devid, NFSX_V4DEVICEID);
 						devid += NFSX_V4DEVICEID;
 					}
 					if (dvpp != NULL)
 						*tdvpp++ = dvp;
 					if (fhp != NULL)
 						NFSBCOPY(&pf->dsf_fh, fhp++,
 						    NFSX_MYFH);
 					if (fnamep != NULL && gotone == 1)
 						strlcpy(fnamep,
 						    pf->dsf_filename,
 						    sizeof(pf->dsf_filename));
 				} else
 					NFSD_DEBUG(4, "nfsrv_dsgetsockmnt "
 					    "err=%d\n", error);
 			}
 		}
 	}
 	if (error == 0 && gotone == 0)
 		error = ENOENT;
 
 	NFSD_DEBUG(4, "eo nfsrv_dsgetsockmnt: gotone=%d err=%d\n", gotone,
 	    error);
 	if (error == 0)
 		*mirrorcntp = gotone;
 	else {
 		if (gotone > 0 && dvpp != NULL) {
 			/*
 			 * If the error didn't occur on the first one and
 			 * dvpp != NULL, the one(s) prior to the failure will
 			 * have locked dvp's that need to be unlocked.
 			 */
 			for (i = 0; i < gotone; i++) {
 				NFSVOPUNLOCK(*dvpp);
 				*dvpp++ = NULL;
 			}
 		}
 		/*
 		 * If it found the vnode to be copied from before a failure,
 		 * it needs to be vput()'d.
 		 */
 		if (nvpp != NULL && *nvpp != NULL) {
 			vput(*nvpp);
 			*nvpp = NULL;
 		}
 	}
 	return (error);
 }
 
 /*
  * Set the extended attribute for the Change attribute.
  */
 static int
 nfsrv_setextattr(struct vnode *vp, struct nfsvattr *nap, NFSPROC_T *p)
 {
 	struct pnfsdsattr dsattr;
 	int error;
 
 	ASSERT_VOP_ELOCKED(vp, "nfsrv_setextattr vp");
 	dsattr.dsa_filerev = nap->na_filerev;
 	dsattr.dsa_size = nap->na_size;
 	dsattr.dsa_atime = nap->na_atime;
 	dsattr.dsa_mtime = nap->na_mtime;
 	dsattr.dsa_bytes = nap->na_bytes;
 	error = vn_extattr_set(vp, IO_NODELOCKED, EXTATTR_NAMESPACE_SYSTEM,
 	    "pnfsd.dsattr", sizeof(dsattr), (char *)&dsattr, p);
 	if (error != 0)
 		printf("pNFS: setextattr=%d\n", error);
 	return (error);
 }
 
 static int
 nfsrv_readdsrpc(fhandle_t *fhp, off_t off, int len, struct ucred *cred,
     NFSPROC_T *p, struct nfsmount *nmp, struct mbuf **mpp, struct mbuf **mpendp)
 {
 	uint32_t *tl;
 	struct nfsrv_descript *nd;
 	nfsv4stateid_t st;
 	struct mbuf *m, *m2;
 	int error = 0, retlen, tlen, trimlen;
 
 	NFSD_DEBUG(4, "in nfsrv_readdsrpc\n");
 	nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK | M_ZERO);
 	*mpp = NULL;
 	/*
 	 * Use a stateid where other is an alternating 01010 pattern and
 	 * seqid is 0xffffffff.  This value is not defined as special by
 	 * the RFC and is used by the FreeBSD NFS server to indicate an
 	 * MDS->DS proxy operation.
 	 */
 	st.other[0] = 0x55555555;
 	st.other[1] = 0x55555555;
 	st.other[2] = 0x55555555;
 	st.seqid = 0xffffffff;
 	nfscl_reqstart(nd, NFSPROC_READDS, nmp, (u_int8_t *)fhp, sizeof(*fhp),
 	    NULL, NULL, 0, 0, cred);
 	nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED * 3);
 	txdr_hyper(off, tl);
 	*(tl + 2) = txdr_unsigned(len);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0) {
 		free(nd, M_TEMP);
 		return (error);
 	}
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		NFSM_STRSIZ(retlen, len);
 		if (retlen > 0) {
 			/* Trim off the pre-data XDR from the mbuf chain. */
 			m = nd->nd_mrep;
 			while (m != NULL && m != nd->nd_md) {
 				if (m->m_next == nd->nd_md) {
 					m->m_next = NULL;
 					m_freem(nd->nd_mrep);
 					nd->nd_mrep = m = nd->nd_md;
 				} else
 					m = m->m_next;
 			}
 			if (m == NULL) {
 				printf("nfsrv_readdsrpc: busted mbuf list\n");
 				error = ENOENT;
 				goto nfsmout;
 			}
 
 			/*
 			 * Now, adjust first mbuf so that any XDR before the
 			 * read data is skipped over.
 			 */
 			trimlen = nd->nd_dpos - mtod(m, char *);
 			if (trimlen > 0) {
 				m->m_len -= trimlen;
 				NFSM_DATAP(m, trimlen);
 			}
 
 			/*
 			 * Truncate the mbuf chain at retlen bytes of data,
 			 * plus XDR padding that brings the length up to a
 			 * multiple of 4.
 			 */
 			tlen = NFSM_RNDUP(retlen);
 			do {
 				if (m->m_len >= tlen) {
 					m->m_len = tlen;
 					tlen = 0;
 					m2 = m->m_next;
 					m->m_next = NULL;
 					m_freem(m2);
 					break;
 				}
 				tlen -= m->m_len;
 				m = m->m_next;
 			} while (m != NULL);
 			if (tlen > 0) {
 				printf("nfsrv_readdsrpc: busted mbuf list\n");
 				error = ENOENT;
 				goto nfsmout;
 			}
 			*mpp = nd->nd_mrep;
 			*mpendp = m;
 			nd->nd_mrep = NULL;
 		}
 	} else
 		error = nd->nd_repstat;
 nfsmout:
 	/* If nd->nd_mrep is already NULL, this is a no-op. */
 	m_freem(nd->nd_mrep);
 	free(nd, M_TEMP);
 	NFSD_DEBUG(4, "nfsrv_readdsrpc error=%d\n", error);
 	return (error);
 }
 
 /*
  * Do a write RPC on a DS data file, using this structure for the arguments,
  * so that this function can be executed by a separate kernel process.
  */
 struct nfsrvwritedsdorpc {
 	int			done;
 	int			inprog;
 	struct task		tsk;
 	fhandle_t		fh;
 	off_t			off;
 	int			len;
 	struct nfsmount		*nmp;
 	struct ucred		*cred;
 	NFSPROC_T		*p;
 	struct mbuf		*m;
 	int			err;
 };
 
 static int
 nfsrv_writedsdorpc(struct nfsmount *nmp, fhandle_t *fhp, off_t off, int len,
     struct nfsvattr *nap, struct mbuf *m, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript *nd;
 	nfsattrbit_t attrbits;
 	nfsv4stateid_t st;
 	int commit, error, retlen;
 
 	nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK | M_ZERO);
 	nfscl_reqstart(nd, NFSPROC_WRITE, nmp, (u_int8_t *)fhp,
 	    sizeof(fhandle_t), NULL, NULL, 0, 0, cred);
 
 	/*
 	 * Use a stateid where other is an alternating 01010 pattern and
 	 * seqid is 0xffffffff.  This value is not defined as special by
 	 * the RFC and is used by the FreeBSD NFS server to indicate an
 	 * MDS->DS proxy operation.
 	 */
 	st.other[0] = 0x55555555;
 	st.other[1] = 0x55555555;
 	st.other[2] = 0x55555555;
 	st.seqid = 0xffffffff;
 	nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_HYPER + 2 * NFSX_UNSIGNED);
 	txdr_hyper(off, tl);
 	tl += 2;
 	/*
 	 * Do all writes FileSync, since the server doesn't hold onto dirty
 	 * buffers.  Since clients should be accessing the DS servers directly
 	 * using the pNFS layouts, this just needs to work correctly as a
 	 * fallback.
 	 */
 	*tl++ = txdr_unsigned(NFSWRITE_FILESYNC);
 	*tl = txdr_unsigned(len);
 	NFSD_DEBUG(4, "nfsrv_writedsdorpc: len=%d\n", len);
 
 	/* Put data in mbuf chain. */
 	nd->nd_mb->m_next = m;
 
 	/* Set nd_mb and nd_bpos to end of data. */
 	while (m->m_next != NULL)
 		m = m->m_next;
 	nd->nd_mb = m;
 	nfsm_set(nd, m->m_len);
 	NFSD_DEBUG(4, "nfsrv_writedsdorpc: lastmb len=%d\n", m->m_len);
 
 	/* Do a Getattr for the attributes that change upon writing. */
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SIZE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESS);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SPACEUSED);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	(void) nfsrv_putattrbit(nd, &attrbits);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p,
 	    cred, NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0) {
 		free(nd, M_TEMP);
 		return (error);
 	}
 	NFSD_DEBUG(4, "nfsrv_writedsdorpc: aft writerpc=%d\n", nd->nd_repstat);
 	/* Get rid of weak cache consistency data for now. */
 	if ((nd->nd_flag & (ND_NOMOREDATA | ND_NFSV4 | ND_V4WCCATTR)) ==
 	    (ND_NFSV4 | ND_V4WCCATTR)) {
 		error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
 		    NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
 		    NULL);
 		NFSD_DEBUG(4, "nfsrv_writedsdorpc: wcc attr=%d\n", error);
 		if (error != 0)
 			goto nfsmout;
 		/*
 		 * Get rid of Op# and status for next op.
 		 */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*++tl != 0)
 			nd->nd_flag |= ND_NOMOREDATA;
 	}
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED + NFSX_VERF);
 		retlen = fxdr_unsigned(int, *tl++);
 		commit = fxdr_unsigned(int, *tl);
 		if (commit != NFSWRITE_FILESYNC)
 			error = NFSERR_IO;
 		NFSD_DEBUG(4, "nfsrv_writedsdorpc:retlen=%d commit=%d err=%d\n",
 		    retlen, commit, error);
 	} else
 		error = nd->nd_repstat;
 	/* We have no use for the Write Verifier since we use FileSync. */
 
 	/*
 	 * Get the Change, Size, Access Time and Modify Time attributes and set
 	 * on the Metadata file, so its attributes will be what the file's
 	 * would be if it had been written.
 	 */
 	if (error == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
 		    NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
 		    NULL);
 	}
 	NFSD_DEBUG(4, "nfsrv_writedsdorpc: aft loadattr=%d\n", error);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	free(nd, M_TEMP);
 	NFSD_DEBUG(4, "nfsrv_writedsdorpc error=%d\n", error);
 	return (error);
 }
 
 /*
  * Start up the thread that will execute nfsrv_writedsdorpc().
  */
 static void
 start_writedsdorpc(void *arg, int pending)
 {
 	struct nfsrvwritedsdorpc *drpc;
 
 	drpc = (struct nfsrvwritedsdorpc *)arg;
 	drpc->err = nfsrv_writedsdorpc(drpc->nmp, &drpc->fh, drpc->off,
 	    drpc->len, NULL, drpc->m, drpc->cred, drpc->p);
 	drpc->done = 1;
 	NFSD_DEBUG(4, "start_writedsdorpc: err=%d\n", drpc->err);
 }
 
 static int
 nfsrv_writedsrpc(fhandle_t *fhp, off_t off, int len, struct ucred *cred,
     NFSPROC_T *p, struct vnode *vp, struct nfsmount **nmpp, int mirrorcnt,
     struct mbuf **mpp, char *cp, int *failposp)
 {
 	struct nfsrvwritedsdorpc *drpc, *tdrpc = NULL;
 	struct nfsvattr na;
 	struct mbuf *m;
 	int error, i, offs, ret, timo;
 
 	NFSD_DEBUG(4, "in nfsrv_writedsrpc\n");
 	KASSERT(*mpp != NULL, ("nfsrv_writedsrpc: NULL mbuf chain"));
 	drpc = NULL;
 	if (mirrorcnt > 1)
 		tdrpc = drpc = malloc(sizeof(*drpc) * (mirrorcnt - 1), M_TEMP,
 		    M_WAITOK);
 
 	/* Calculate offset in mbuf chain that data starts. */
 	offs = cp - mtod(*mpp, char *);
 	NFSD_DEBUG(4, "nfsrv_writedsrpc: mcopy offs=%d len=%d\n", offs, len);
 
 	/*
 	 * Do the write RPC for every DS, using a separate kernel process
 	 * for every DS except the last one.
 	 */
 	error = 0;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		tdrpc->done = 0;
 		NFSBCOPY(fhp, &tdrpc->fh, sizeof(*fhp));
 		tdrpc->off = off;
 		tdrpc->len = len;
 		tdrpc->nmp = *nmpp;
 		tdrpc->cred = cred;
 		tdrpc->p = p;
 		tdrpc->inprog = 0;
 		tdrpc->err = 0;
 		tdrpc->m = m_copym(*mpp, offs, NFSM_RNDUP(len), M_WAITOK);
 		ret = EIO;
 		if (nfs_pnfsiothreads != 0) {
 			ret = nfs_pnfsio(start_writedsdorpc, tdrpc);
 			NFSD_DEBUG(4, "nfsrv_writedsrpc: nfs_pnfsio=%d\n",
 			    ret);
 		}
 		if (ret != 0) {
 			ret = nfsrv_writedsdorpc(*nmpp, fhp, off, len, NULL,
 			    tdrpc->m, cred, p);
 			if (nfsds_failerr(ret) && *failposp == -1)
 				*failposp = i;
 			else if (error == 0 && ret != 0)
 				error = ret;
 		}
 		nmpp++;
 		fhp++;
 	}
 	m = m_copym(*mpp, offs, NFSM_RNDUP(len), M_WAITOK);
 	ret = nfsrv_writedsdorpc(*nmpp, fhp, off, len, &na, m, cred, p);
 	if (nfsds_failerr(ret) && *failposp == -1 && mirrorcnt > 1)
 		*failposp = mirrorcnt - 1;
 	else if (error == 0 && ret != 0)
 		error = ret;
 	if (error == 0)
 		error = nfsrv_setextattr(vp, &na, p);
 	NFSD_DEBUG(4, "nfsrv_writedsrpc: aft setextat=%d\n", error);
 	tdrpc = drpc;
 	timo = hz / 50;		/* Wait for 20msec. */
 	if (timo < 1)
 		timo = 1;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		/* Wait for RPCs on separate threads to complete. */
 		while (tdrpc->inprog != 0 && tdrpc->done == 0)
 			tsleep(&tdrpc->tsk, PVFS, "srvwrds", timo);
 		if (nfsds_failerr(tdrpc->err) && *failposp == -1)
 			*failposp = i;
 		else if (error == 0 && tdrpc->err != 0)
 			error = tdrpc->err;
 	}
 	free(drpc, M_TEMP);
 	return (error);
 }
 
 /*
  * Do a allocate RPC on a DS data file, using this structure for the arguments,
  * so that this function can be executed by a separate kernel process.
  */
 struct nfsrvallocatedsdorpc {
 	int			done;
 	int			inprog;
 	struct task		tsk;
 	fhandle_t		fh;
 	off_t			off;
 	off_t			len;
 	struct nfsmount		*nmp;
 	struct ucred		*cred;
 	NFSPROC_T		*p;
 	int			err;
 };
 
 static int
 nfsrv_allocatedsdorpc(struct nfsmount *nmp, fhandle_t *fhp, off_t off,
     off_t len, struct nfsvattr *nap, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript *nd;
 	nfsattrbit_t attrbits;
 	nfsv4stateid_t st;
 	int error;
 
 	nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK | M_ZERO);
 	nfscl_reqstart(nd, NFSPROC_ALLOCATE, nmp, (u_int8_t *)fhp,
 	    sizeof(fhandle_t), NULL, NULL, 0, 0, cred);
 
 	/*
 	 * Use a stateid where other is an alternating 01010 pattern and
 	 * seqid is 0xffffffff.  This value is not defined as special by
 	 * the RFC and is used by the FreeBSD NFS server to indicate an
 	 * MDS->DS proxy operation.
 	 */
 	st.other[0] = 0x55555555;
 	st.other[1] = 0x55555555;
 	st.other[2] = 0x55555555;
 	st.seqid = 0xffffffff;
 	nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_UNSIGNED);
 	txdr_hyper(off, tl); tl += 2;
 	txdr_hyper(len, tl); tl += 2;
 	NFSD_DEBUG(4, "nfsrv_allocatedsdorpc: len=%jd\n", (intmax_t)len);
 
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	NFSGETATTR_ATTRBIT(&attrbits);
 	nfsrv_putattrbit(nd, &attrbits);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p,
 	    cred, NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0) {
 		free(nd, M_TEMP);
 		return (error);
 	}
 	NFSD_DEBUG(4, "nfsrv_allocatedsdorpc: aft allocaterpc=%d\n",
 	    nd->nd_repstat);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
 		    NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
 		    NULL);
 	} else
 		error = nd->nd_repstat;
 	NFSD_DEBUG(4, "nfsrv_allocatedsdorpc: aft loadattr=%d\n", error);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	free(nd, M_TEMP);
 	NFSD_DEBUG(4, "nfsrv_allocatedsdorpc error=%d\n", error);
 	return (error);
 }
 
 /*
  * Start up the thread that will execute nfsrv_allocatedsdorpc().
  */
 static void
 start_allocatedsdorpc(void *arg, int pending)
 {
 	struct nfsrvallocatedsdorpc *drpc;
 
 	drpc = (struct nfsrvallocatedsdorpc *)arg;
 	drpc->err = nfsrv_allocatedsdorpc(drpc->nmp, &drpc->fh, drpc->off,
 	    drpc->len, NULL, drpc->cred, drpc->p);
 	drpc->done = 1;
 	NFSD_DEBUG(4, "start_allocatedsdorpc: err=%d\n", drpc->err);
 }
 
 static int
 nfsrv_allocatedsrpc(fhandle_t *fhp, off_t off, off_t len, struct ucred *cred,
     NFSPROC_T *p, struct vnode *vp, struct nfsmount **nmpp, int mirrorcnt,
     int *failposp)
 {
 	struct nfsrvallocatedsdorpc *drpc, *tdrpc = NULL;
 	struct nfsvattr na;
 	int error, i, ret, timo;
 
 	NFSD_DEBUG(4, "in nfsrv_allocatedsrpc\n");
 	drpc = NULL;
 	if (mirrorcnt > 1)
 		tdrpc = drpc = malloc(sizeof(*drpc) * (mirrorcnt - 1), M_TEMP,
 		    M_WAITOK);
 
 	/*
 	 * Do the allocate RPC for every DS, using a separate kernel process
 	 * for every DS except the last one.
 	 */
 	error = 0;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		tdrpc->done = 0;
 		NFSBCOPY(fhp, &tdrpc->fh, sizeof(*fhp));
 		tdrpc->off = off;
 		tdrpc->len = len;
 		tdrpc->nmp = *nmpp;
 		tdrpc->cred = cred;
 		tdrpc->p = p;
 		tdrpc->inprog = 0;
 		tdrpc->err = 0;
 		ret = EIO;
 		if (nfs_pnfsiothreads != 0) {
 			ret = nfs_pnfsio(start_allocatedsdorpc, tdrpc);
 			NFSD_DEBUG(4, "nfsrv_allocatedsrpc: nfs_pnfsio=%d\n",
 			    ret);
 		}
 		if (ret != 0) {
 			ret = nfsrv_allocatedsdorpc(*nmpp, fhp, off, len, NULL,
 			    cred, p);
 			if (nfsds_failerr(ret) && *failposp == -1)
 				*failposp = i;
 			else if (error == 0 && ret != 0)
 				error = ret;
 		}
 		nmpp++;
 		fhp++;
 	}
 	ret = nfsrv_allocatedsdorpc(*nmpp, fhp, off, len, &na, cred, p);
 	if (nfsds_failerr(ret) && *failposp == -1 && mirrorcnt > 1)
 		*failposp = mirrorcnt - 1;
 	else if (error == 0 && ret != 0)
 		error = ret;
 	if (error == 0)
 		error = nfsrv_setextattr(vp, &na, p);
 	NFSD_DEBUG(4, "nfsrv_allocatedsrpc: aft setextat=%d\n", error);
 	tdrpc = drpc;
 	timo = hz / 50;		/* Wait for 20msec. */
 	if (timo < 1)
 		timo = 1;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		/* Wait for RPCs on separate threads to complete. */
 		while (tdrpc->inprog != 0 && tdrpc->done == 0)
 			tsleep(&tdrpc->tsk, PVFS, "srvalds", timo);
 		if (nfsds_failerr(tdrpc->err) && *failposp == -1)
 			*failposp = i;
 		else if (error == 0 && tdrpc->err != 0)
 			error = tdrpc->err;
 	}
 	free(drpc, M_TEMP);
 	return (error);
 }
 
 /*
  * Do a deallocate RPC on a DS data file, using this structure for the
  * arguments, so that this function can be executed by a separate kernel
  * process.
  */
 struct nfsrvdeallocatedsdorpc {
 	int			done;
 	int			inprog;
 	struct task		tsk;
 	fhandle_t		fh;
 	off_t			off;
 	off_t			len;
 	struct nfsmount		*nmp;
 	struct ucred		*cred;
 	NFSPROC_T		*p;
 	int			err;
 };
 
 static int
 nfsrv_deallocatedsdorpc(struct nfsmount *nmp, fhandle_t *fhp, off_t off,
     off_t len, struct nfsvattr *nap, struct ucred *cred, NFSPROC_T *p)
 {
 	uint32_t *tl;
 	struct nfsrv_descript *nd;
 	nfsattrbit_t attrbits;
 	nfsv4stateid_t st;
 	int error;
 
 	nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK | M_ZERO);
 	nfscl_reqstart(nd, NFSPROC_DEALLOCATE, nmp, (u_int8_t *)fhp,
 	    sizeof(fhandle_t), NULL, NULL, 0, 0, cred);
 
 	/*
 	 * Use a stateid where other is an alternating 01010 pattern and
 	 * seqid is 0xffffffff.  This value is not defined as special by
 	 * the RFC and is used by the FreeBSD NFS server to indicate an
 	 * MDS->DS proxy operation.
 	 */
 	st.other[0] = 0x55555555;
 	st.other[1] = 0x55555555;
 	st.other[2] = 0x55555555;
 	st.seqid = 0xffffffff;
 	nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_UNSIGNED);
 	txdr_hyper(off, tl); tl += 2;
 	txdr_hyper(len, tl); tl += 2;
 	NFSD_DEBUG(4, "nfsrv_deallocatedsdorpc: len=%jd\n", (intmax_t)len);
 
 	/* Do a Getattr for the attributes that change upon writing. */
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SIZE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESS);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SPACEUSED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	nfsrv_putattrbit(nd, &attrbits);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p,
 	    cred, NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0) {
 		free(nd, M_TEMP);
 		return (error);
 	}
 	NFSD_DEBUG(4, "nfsrv_deallocatedsdorpc: aft deallocaterpc=%d\n",
 	    nd->nd_repstat);
 	/* Get rid of weak cache consistency data for now. */
 	if ((nd->nd_flag & (ND_NOMOREDATA | ND_NFSV4 | ND_V4WCCATTR)) ==
 	    (ND_NFSV4 | ND_V4WCCATTR)) {
 		error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
 		    NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
 		    NULL);
 		NFSD_DEBUG(4, "nfsrv_deallocatedsdorpc: wcc attr=%d\n", error);
 		if (error != 0)
 			goto nfsmout;
 		/*
 		 * Get rid of Op# and status for next op.
 		 */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*++tl != 0)
 			nd->nd_flag |= ND_NOMOREDATA;
 	}
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
 		    NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
 		    NULL);
 	} else
 		error = nd->nd_repstat;
 	NFSD_DEBUG(4, "nfsrv_deallocatedsdorpc: aft loadattr=%d\n", error);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	free(nd, M_TEMP);
 	NFSD_DEBUG(4, "nfsrv_deallocatedsdorpc error=%d\n", error);
 	return (error);
 }
 
 /*
  * Start up the thread that will execute nfsrv_deallocatedsdorpc().
  */
 static void
 start_deallocatedsdorpc(void *arg, int pending)
 {
 	struct nfsrvdeallocatedsdorpc *drpc;
 
 	drpc = (struct nfsrvdeallocatedsdorpc *)arg;
 	drpc->err = nfsrv_deallocatedsdorpc(drpc->nmp, &drpc->fh, drpc->off,
 	    drpc->len, NULL, drpc->cred, drpc->p);
 	drpc->done = 1;
 	NFSD_DEBUG(4, "start_deallocatedsdorpc: err=%d\n", drpc->err);
 }
 
 static int
 nfsrv_deallocatedsrpc(fhandle_t *fhp, off_t off, off_t len, struct ucred *cred,
     NFSPROC_T *p, struct vnode *vp, struct nfsmount **nmpp, int mirrorcnt,
     int *failposp)
 {
 	struct nfsrvdeallocatedsdorpc *drpc, *tdrpc = NULL;
 	struct nfsvattr na;
 	int error, i, ret, timo;
 
 	NFSD_DEBUG(4, "in nfsrv_deallocatedsrpc\n");
 	drpc = NULL;
 	if (mirrorcnt > 1)
 		tdrpc = drpc = malloc(sizeof(*drpc) * (mirrorcnt - 1), M_TEMP,
 		    M_WAITOK);
 
 	/*
 	 * Do the deallocate RPC for every DS, using a separate kernel process
 	 * for every DS except the last one.
 	 */
 	error = 0;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		tdrpc->done = 0;
 		NFSBCOPY(fhp, &tdrpc->fh, sizeof(*fhp));
 		tdrpc->off = off;
 		tdrpc->len = len;
 		tdrpc->nmp = *nmpp;
 		tdrpc->cred = cred;
 		tdrpc->p = p;
 		tdrpc->inprog = 0;
 		tdrpc->err = 0;
 		ret = EIO;
 		if (nfs_pnfsiothreads != 0) {
 			ret = nfs_pnfsio(start_deallocatedsdorpc, tdrpc);
 			NFSD_DEBUG(4, "nfsrv_deallocatedsrpc: nfs_pnfsio=%d\n",
 			    ret);
 		}
 		if (ret != 0) {
 			ret = nfsrv_deallocatedsdorpc(*nmpp, fhp, off, len,
 			    NULL, cred, p);
 			if (nfsds_failerr(ret) && *failposp == -1)
 				*failposp = i;
 			else if (error == 0 && ret != 0)
 				error = ret;
 		}
 		nmpp++;
 		fhp++;
 	}
 	ret = nfsrv_deallocatedsdorpc(*nmpp, fhp, off, len, &na, cred, p);
 	if (nfsds_failerr(ret) && *failposp == -1 && mirrorcnt > 1)
 		*failposp = mirrorcnt - 1;
 	else if (error == 0 && ret != 0)
 		error = ret;
 	if (error == 0)
 		error = nfsrv_setextattr(vp, &na, p);
 	NFSD_DEBUG(4, "nfsrv_deallocatedsrpc: aft setextat=%d\n", error);
 	tdrpc = drpc;
 	timo = hz / 50;		/* Wait for 20msec. */
 	if (timo < 1)
 		timo = 1;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		/* Wait for RPCs on separate threads to complete. */
 		while (tdrpc->inprog != 0 && tdrpc->done == 0)
 			tsleep(&tdrpc->tsk, PVFS, "srvalds", timo);
 		if (nfsds_failerr(tdrpc->err) && *failposp == -1)
 			*failposp = i;
 		else if (error == 0 && tdrpc->err != 0)
 			error = tdrpc->err;
 	}
 	free(drpc, M_TEMP);
 	return (error);
 }
 
 static int
 nfsrv_setattrdsdorpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_T *p,
     struct vnode *vp, struct nfsmount *nmp, struct nfsvattr *nap,
     struct nfsvattr *dsnap)
 {
 	uint32_t *tl;
 	struct nfsrv_descript *nd;
 	nfsv4stateid_t st;
 	nfsattrbit_t attrbits;
 	int error;
 
 	NFSD_DEBUG(4, "in nfsrv_setattrdsdorpc\n");
 	nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK | M_ZERO);
 	/*
 	 * Use a stateid where other is an alternating 01010 pattern and
 	 * seqid is 0xffffffff.  This value is not defined as special by
 	 * the RFC and is used by the FreeBSD NFS server to indicate an
 	 * MDS->DS proxy operation.
 	 */
 	st.other[0] = 0x55555555;
 	st.other[1] = 0x55555555;
 	st.other[2] = 0x55555555;
 	st.seqid = 0xffffffff;
 	nfscl_reqstart(nd, NFSPROC_SETATTR, nmp, (u_int8_t *)fhp, sizeof(*fhp),
 	    NULL, NULL, 0, 0, cred);
 	nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID);
 	nfscl_fillsattr(nd, &nap->na_vattr, vp, NFSSATTR_FULL, 0);
 
 	/* Do a Getattr for the attributes that change due to writing. */
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SIZE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESS);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SPACEUSED);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(NFSV4OP_GETATTR);
 	(void) nfsrv_putattrbit(nd, &attrbits);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0) {
 		free(nd, M_TEMP);
 		return (error);
 	}
 	NFSD_DEBUG(4, "nfsrv_setattrdsdorpc: aft setattrrpc=%d\n",
 	    nd->nd_repstat);
 	/* Get rid of weak cache consistency data for now. */
 	if ((nd->nd_flag & (ND_NOMOREDATA | ND_NFSV4 | ND_V4WCCATTR)) ==
 	    (ND_NFSV4 | ND_V4WCCATTR)) {
 		error = nfsv4_loadattr(nd, NULL, dsnap, NULL, NULL, 0, NULL,
 		    NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL,
 		    NULL, NULL);
 		NFSD_DEBUG(4, "nfsrv_setattrdsdorpc: wcc attr=%d\n", error);
 		if (error != 0)
 			goto nfsmout;
 		/*
 		 * Get rid of Op# and status for next op.
 		 */
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		if (*++tl != 0)
 			nd->nd_flag |= ND_NOMOREDATA;
 	}
 	error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 	if (error != 0)
 		goto nfsmout;
 	if (nd->nd_repstat != 0)
 		error = nd->nd_repstat;
 	/*
 	 * Get the Change, Size, Access Time and Modify Time attributes and set
 	 * on the Metadata file, so its attributes will be what the file's
 	 * would be if it had been written.
 	 */
 	if (error == 0) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		error = nfsv4_loadattr(nd, NULL, dsnap, NULL, NULL, 0, NULL,
 		    NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL,
 		    NULL, NULL);
 	}
 	NFSD_DEBUG(4, "nfsrv_setattrdsdorpc: aft setattr loadattr=%d\n", error);
 nfsmout:
 	m_freem(nd->nd_mrep);
 	free(nd, M_TEMP);
 	NFSD_DEBUG(4, "nfsrv_setattrdsdorpc error=%d\n", error);
 	return (error);
 }
 
 struct nfsrvsetattrdsdorpc {
 	int			done;
 	int			inprog;
 	struct task		tsk;
 	fhandle_t		fh;
 	struct nfsmount		*nmp;
 	struct vnode		*vp;
 	struct ucred		*cred;
 	NFSPROC_T		*p;
 	struct nfsvattr		na;
 	struct nfsvattr		dsna;
 	int			err;
 };
 
 /*
  * Start up the thread that will execute nfsrv_setattrdsdorpc().
  */
 static void
 start_setattrdsdorpc(void *arg, int pending)
 {
 	struct nfsrvsetattrdsdorpc *drpc;
 
 	drpc = (struct nfsrvsetattrdsdorpc *)arg;
 	drpc->err = nfsrv_setattrdsdorpc(&drpc->fh, drpc->cred, drpc->p,
 	    drpc->vp, drpc->nmp, &drpc->na, &drpc->dsna);
 	drpc->done = 1;
 }
 
 static int
 nfsrv_setattrdsrpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_T *p,
     struct vnode *vp, struct nfsmount **nmpp, int mirrorcnt,
     struct nfsvattr *nap, int *failposp)
 {
 	struct nfsrvsetattrdsdorpc *drpc, *tdrpc = NULL;
 	struct nfsvattr na;
 	int error, i, ret, timo;
 
 	NFSD_DEBUG(4, "in nfsrv_setattrdsrpc\n");
 	drpc = NULL;
 	if (mirrorcnt > 1)
 		tdrpc = drpc = malloc(sizeof(*drpc) * (mirrorcnt - 1), M_TEMP,
 		    M_WAITOK);
 
 	/*
 	 * Do the setattr RPC for every DS, using a separate kernel process
 	 * for every DS except the last one.
 	 */
 	error = 0;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		tdrpc->done = 0;
 		tdrpc->inprog = 0;
 		NFSBCOPY(fhp, &tdrpc->fh, sizeof(*fhp));
 		tdrpc->nmp = *nmpp;
 		tdrpc->vp = vp;
 		tdrpc->cred = cred;
 		tdrpc->p = p;
 		tdrpc->na = *nap;
 		tdrpc->err = 0;
 		ret = EIO;
 		if (nfs_pnfsiothreads != 0) {
 			ret = nfs_pnfsio(start_setattrdsdorpc, tdrpc);
 			NFSD_DEBUG(4, "nfsrv_setattrdsrpc: nfs_pnfsio=%d\n",
 			    ret);
 		}
 		if (ret != 0) {
 			ret = nfsrv_setattrdsdorpc(fhp, cred, p, vp, *nmpp, nap,
 			    &na);
 			if (nfsds_failerr(ret) && *failposp == -1)
 				*failposp = i;
 			else if (error == 0 && ret != 0)
 				error = ret;
 		}
 		nmpp++;
 		fhp++;
 	}
 	ret = nfsrv_setattrdsdorpc(fhp, cred, p, vp, *nmpp, nap, &na);
 	if (nfsds_failerr(ret) && *failposp == -1 && mirrorcnt > 1)
 		*failposp = mirrorcnt - 1;
 	else if (error == 0 && ret != 0)
 		error = ret;
 	if (error == 0)
 		error = nfsrv_setextattr(vp, &na, p);
 	NFSD_DEBUG(4, "nfsrv_setattrdsrpc: aft setextat=%d\n", error);
 	tdrpc = drpc;
 	timo = hz / 50;		/* Wait for 20msec. */
 	if (timo < 1)
 		timo = 1;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		/* Wait for RPCs on separate threads to complete. */
 		while (tdrpc->inprog != 0 && tdrpc->done == 0)
 			tsleep(&tdrpc->tsk, PVFS, "srvsads", timo);
 		if (nfsds_failerr(tdrpc->err) && *failposp == -1)
 			*failposp = i;
 		else if (error == 0 && tdrpc->err != 0)
 			error = tdrpc->err;
 	}
 	free(drpc, M_TEMP);
 	return (error);
 }
 
 /*
  * Do a Setattr of an NFSv4 ACL on the DS file.
  */
 static int
 nfsrv_setacldsdorpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_T *p,
     struct vnode *vp, struct nfsmount *nmp, struct acl *aclp)
 {
 	struct nfsrv_descript *nd;
 	nfsv4stateid_t st;
 	nfsattrbit_t attrbits;
 	int error;
 
 	NFSD_DEBUG(4, "in nfsrv_setacldsdorpc\n");
 	nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK | M_ZERO);
 	/*
 	 * Use a stateid where other is an alternating 01010 pattern and
 	 * seqid is 0xffffffff.  This value is not defined as special by
 	 * the RFC and is used by the FreeBSD NFS server to indicate an
 	 * MDS->DS proxy operation.
 	 */
 	st.other[0] = 0x55555555;
 	st.other[1] = 0x55555555;
 	st.other[2] = 0x55555555;
 	st.seqid = 0xffffffff;
 	nfscl_reqstart(nd, NFSPROC_SETACL, nmp, (u_int8_t *)fhp, sizeof(*fhp),
 	    NULL, NULL, 0, 0, cred);
 	nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID);
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_ACL);
 	/*
 	 * The "vp" argument to nfsv4_fillattr() is only used for vnode_type(),
 	 * so passing in the metadata "vp" will be ok, since it is of
 	 * the same type (VREG).
 	 */
 	nfsv4_fillattr(nd, NULL, vp, aclp, NULL, NULL, 0, &attrbits, NULL,
 	    NULL, 0, 0, 0, 0, 0, NULL, false, false, false, 0);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0) {
 		free(nd, M_TEMP);
 		return (error);
 	}
 	NFSD_DEBUG(4, "nfsrv_setacldsdorpc: aft setaclrpc=%d\n",
 	    nd->nd_repstat);
 	error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	free(nd, M_TEMP);
 	return (error);
 }
 
 struct nfsrvsetacldsdorpc {
 	int			done;
 	int			inprog;
 	struct task		tsk;
 	fhandle_t		fh;
 	struct nfsmount		*nmp;
 	struct vnode		*vp;
 	struct ucred		*cred;
 	NFSPROC_T		*p;
 	struct acl		*aclp;
 	int			err;
 };
 
 /*
  * Start up the thread that will execute nfsrv_setacldsdorpc().
  */
 static void
 start_setacldsdorpc(void *arg, int pending)
 {
 	struct nfsrvsetacldsdorpc *drpc;
 
 	drpc = (struct nfsrvsetacldsdorpc *)arg;
 	drpc->err = nfsrv_setacldsdorpc(&drpc->fh, drpc->cred, drpc->p,
 	    drpc->vp, drpc->nmp, drpc->aclp);
 	drpc->done = 1;
 }
 
 static int
 nfsrv_setacldsrpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_T *p,
     struct vnode *vp, struct nfsmount **nmpp, int mirrorcnt, struct acl *aclp,
     int *failposp)
 {
 	struct nfsrvsetacldsdorpc *drpc, *tdrpc = NULL;
 	int error, i, ret, timo;
 
 	NFSD_DEBUG(4, "in nfsrv_setacldsrpc\n");
 	drpc = NULL;
 	if (mirrorcnt > 1)
 		tdrpc = drpc = malloc(sizeof(*drpc) * (mirrorcnt - 1), M_TEMP,
 		    M_WAITOK);
 
 	/*
 	 * Do the setattr RPC for every DS, using a separate kernel process
 	 * for every DS except the last one.
 	 */
 	error = 0;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		tdrpc->done = 0;
 		tdrpc->inprog = 0;
 		NFSBCOPY(fhp, &tdrpc->fh, sizeof(*fhp));
 		tdrpc->nmp = *nmpp;
 		tdrpc->vp = vp;
 		tdrpc->cred = cred;
 		tdrpc->p = p;
 		tdrpc->aclp = aclp;
 		tdrpc->err = 0;
 		ret = EIO;
 		if (nfs_pnfsiothreads != 0) {
 			ret = nfs_pnfsio(start_setacldsdorpc, tdrpc);
 			NFSD_DEBUG(4, "nfsrv_setacldsrpc: nfs_pnfsio=%d\n",
 			    ret);
 		}
 		if (ret != 0) {
 			ret = nfsrv_setacldsdorpc(fhp, cred, p, vp, *nmpp,
 			    aclp);
 			if (nfsds_failerr(ret) && *failposp == -1)
 				*failposp = i;
 			else if (error == 0 && ret != 0)
 				error = ret;
 		}
 		nmpp++;
 		fhp++;
 	}
 	ret = nfsrv_setacldsdorpc(fhp, cred, p, vp, *nmpp, aclp);
 	if (nfsds_failerr(ret) && *failposp == -1 && mirrorcnt > 1)
 		*failposp = mirrorcnt - 1;
 	else if (error == 0 && ret != 0)
 		error = ret;
 	NFSD_DEBUG(4, "nfsrv_setacldsrpc: aft setextat=%d\n", error);
 	tdrpc = drpc;
 	timo = hz / 50;		/* Wait for 20msec. */
 	if (timo < 1)
 		timo = 1;
 	for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
 		/* Wait for RPCs on separate threads to complete. */
 		while (tdrpc->inprog != 0 && tdrpc->done == 0)
 			tsleep(&tdrpc->tsk, PVFS, "srvacds", timo);
 		if (nfsds_failerr(tdrpc->err) && *failposp == -1)
 			*failposp = i;
 		else if (error == 0 && tdrpc->err != 0)
 			error = tdrpc->err;
 	}
 	free(drpc, M_TEMP);
 	return (error);
 }
 
 /*
  * Getattr call to the DS for the attributes that change due to writing.
  */
 static int
 nfsrv_getattrdsrpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_T *p,
     struct vnode *vp, struct nfsmount *nmp, struct nfsvattr *nap)
 {
 	struct nfsrv_descript *nd;
 	int error;
 	nfsattrbit_t attrbits;
 
 	NFSD_DEBUG(4, "in nfsrv_getattrdsrpc\n");
 	nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK | M_ZERO);
 	nfscl_reqstart(nd, NFSPROC_GETATTR, nmp, (u_int8_t *)fhp,
 	    sizeof(fhandle_t), NULL, NULL, 0, 0, cred);
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SIZE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESS);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SPACEUSED);
 	(void) nfsrv_putattrbit(nd, &attrbits);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0) {
 		free(nd, M_TEMP);
 		return (error);
 	}
 	NFSD_DEBUG(4, "nfsrv_getattrdsrpc: aft getattrrpc=%d\n",
 	    nd->nd_repstat);
 	if (nd->nd_repstat == 0) {
 		error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0,
 		    NULL, NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL,
 		    NULL, NULL, NULL, NULL);
 		/*
 		 * We can only save the updated values in the extended
 		 * attribute if the vp is exclusively locked.
 		 * This should happen when any of the following operations
 		 * occur on the vnode:
 		 *    Close, Delegreturn, LayoutCommit, LayoutReturn
 		 * As such, the updated extended attribute should get saved
 		 * before nfsrv_checkdsattr() returns 0 and allows the cached
 		 * attributes to be returned without calling this function.
 		 */
 		if (error == 0 && VOP_ISLOCKED(vp) == LK_EXCLUSIVE) {
 			error = nfsrv_setextattr(vp, nap, p);
 			NFSD_DEBUG(4, "nfsrv_getattrdsrpc: aft setextat=%d\n",
 			    error);
 		}
 	} else
 		error = nd->nd_repstat;
 	m_freem(nd->nd_mrep);
 	free(nd, M_TEMP);
 	NFSD_DEBUG(4, "nfsrv_getattrdsrpc error=%d\n", error);
 	return (error);
 }
 
 /*
  * Seek call to a DS.
  */
 static int
 nfsrv_seekdsrpc(fhandle_t *fhp, off_t *offp, int content, bool *eofp,
     struct ucred *cred, NFSPROC_T *p, struct nfsmount *nmp)
 {
 	uint32_t *tl;
 	struct nfsrv_descript *nd;
 	nfsv4stateid_t st;
 	int error;
 
 	NFSD_DEBUG(4, "in nfsrv_seekdsrpc\n");
 	/*
 	 * Use a stateid where other is an alternating 01010 pattern and
 	 * seqid is 0xffffffff.  This value is not defined as special by
 	 * the RFC and is used by the FreeBSD NFS server to indicate an
 	 * MDS->DS proxy operation.
 	 */
 	st.other[0] = 0x55555555;
 	st.other[1] = 0x55555555;
 	st.other[2] = 0x55555555;
 	st.seqid = 0xffffffff;
 	nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK | M_ZERO);
 	nfscl_reqstart(nd, NFSPROC_SEEKDS, nmp, (u_int8_t *)fhp,
 	    sizeof(fhandle_t), NULL, NULL, 0, 0, cred);
 	nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID);
 	NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + NFSX_UNSIGNED);
 	txdr_hyper(*offp, tl); tl += 2;
 	*tl = txdr_unsigned(content);
 	error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
 	    NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
 	if (error != 0) {
 		free(nd, M_TEMP);
 		return (error);
 	}
 	NFSD_DEBUG(4, "nfsrv_seekdsrpc: aft seekrpc=%d\n", nd->nd_repstat);
 	if (nd->nd_repstat == 0) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED + NFSX_HYPER);
 		if (*tl++ == newnfs_true)
 			*eofp = true;
 		else
 			*eofp = false;
 		*offp = fxdr_hyper(tl);
 	} else
 		error = nd->nd_repstat;
 nfsmout:
 	m_freem(nd->nd_mrep);
 	free(nd, M_TEMP);
 	NFSD_DEBUG(4, "nfsrv_seekdsrpc error=%d\n", error);
 	return (error);
 }
 
 /*
  * Get the device id and file handle for a DS file.
  */
 int
 nfsrv_dsgetdevandfh(struct vnode *vp, NFSPROC_T *p, int *mirrorcntp,
     fhandle_t *fhp, char *devid)
 {
 	int buflen, error;
 	char *buf;
 
 	buflen = 1024;
 	buf = malloc(buflen, M_TEMP, M_WAITOK);
 	error = nfsrv_dsgetsockmnt(vp, 0, buf, &buflen, mirrorcntp, p, NULL,
 	    fhp, devid, NULL, NULL, NULL, NULL, NULL, NULL);
 	free(buf, M_TEMP);
 	return (error);
 }
 
 /*
  * Do a Lookup against the DS for the filename.
  */
 static int
 nfsrv_pnfslookupds(struct vnode *vp, struct vnode *dvp, struct pnfsdsfile *pf,
     struct vnode **nvpp, NFSPROC_T *p)
 {
 	struct nameidata named;
 	struct ucred *tcred;
 	char *bufp;
 	u_long *hashp;
 	struct vnode *nvp;
 	int error;
 
 	tcred = newnfs_getcred();
 	named.ni_cnd.cn_nameiop = LOOKUP;
 	named.ni_cnd.cn_lkflags = LK_SHARED | LK_RETRY;
 	named.ni_cnd.cn_cred = tcred;
 	named.ni_cnd.cn_flags = ISLASTCN | LOCKPARENT | LOCKLEAF;
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	named.ni_cnd.cn_nameptr = bufp;
 	named.ni_cnd.cn_namelen = strlen(pf->dsf_filename);
 	strlcpy(bufp, pf->dsf_filename, NAME_MAX);
 	NFSD_DEBUG(4, "nfsrv_pnfslookupds: filename=%s\n", bufp);
 	error = VOP_LOOKUP(dvp, &nvp, &named.ni_cnd);
 	NFSD_DEBUG(4, "nfsrv_pnfslookupds: aft LOOKUP=%d\n", error);
 	NFSFREECRED(tcred);
 	nfsvno_relpathbuf(&named);
 	if (error == 0)
 		*nvpp = nvp;
 	NFSD_DEBUG(4, "eo nfsrv_pnfslookupds=%d\n", error);
 	return (error);
 }
 
 /*
  * Set the file handle to the correct one.
  */
 static void
 nfsrv_pnfssetfh(struct vnode *vp, struct pnfsdsfile *pf, char *devid,
     char *fnamep, struct vnode *nvp, NFSPROC_T *p)
 {
 	struct nfsnode *np;
 	int ret = 0;
 
 	np = VTONFS(nvp);
 	NFSBCOPY(np->n_fhp->nfh_fh, &pf->dsf_fh, NFSX_MYFH);
 	/*
 	 * We can only do a vn_set_extattr() if the vnode is exclusively
 	 * locked and vn_start_write() has been done.  If devid != NULL or
 	 * fnamep != NULL or the vnode is shared locked, vn_start_write()
 	 * may not have been done.
 	 * If not done now, it will be done on a future call.
 	 */
 	if (devid == NULL && fnamep == NULL && NFSVOPISLOCKED(vp) ==
 	    LK_EXCLUSIVE)
 		ret = vn_extattr_set(vp, IO_NODELOCKED,
 		    EXTATTR_NAMESPACE_SYSTEM, "pnfsd.dsfile", sizeof(*pf),
 		    (char *)pf, p);
 	NFSD_DEBUG(4, "eo nfsrv_pnfssetfh=%d\n", ret);
 }
 
 /*
  * Cause RPCs waiting on "nmp" to fail.  This is called for a DS mount point
  * when the DS has failed.
  */
 void
 nfsrv_killrpcs(struct nfsmount *nmp)
 {
 
 	/*
 	 * Call newnfs_nmcancelreqs() to cause
 	 * any RPCs in progress on the mount point to
 	 * fail.
 	 * This will cause any process waiting for an
 	 * RPC to complete while holding a vnode lock
 	 * on the mounted-on vnode (such as "df" or
 	 * a non-forced "umount") to fail.
 	 * This will unlock the mounted-on vnode so
 	 * a forced dismount can succeed.
 	 * The NFSMNTP_CANCELRPCS flag should be set when this function is
 	 * called.
 	 */
 	newnfs_nmcancelreqs(nmp);
 }
 
 /*
  * Sum up the statfs info for each of the DSs, so that the client will
  * receive the total for all DSs.
  */
 static int
 nfsrv_pnfsstatfs(struct statfs *sf, struct mount *mp)
 {
 	struct statfs *tsf;
 	struct nfsdevice *ds;
 	struct vnode **dvpp, **tdvpp, *dvp;
 	uint64_t tot;
 	int cnt, error = 0, i;
 
 	if (nfsrv_devidcnt <= 0)
 		return (ENXIO);
 	dvpp = mallocarray(nfsrv_devidcnt, sizeof(*dvpp), M_TEMP, M_WAITOK);
 	tsf = malloc(sizeof(*tsf), M_TEMP, M_WAITOK);
 
 	/* Get an array of the dvps for the DSs. */
 	tdvpp = dvpp;
 	i = 0;
 	NFSDDSLOCK();
 	/* First, search for matches for same file system. */
 	TAILQ_FOREACH(ds, &nfsrv_devidhead, nfsdev_list) {
 		if (ds->nfsdev_nmp != NULL && ds->nfsdev_mdsisset != 0 &&
 		    fsidcmp(&ds->nfsdev_mdsfsid, &mp->mnt_stat.f_fsid) == 0) {
 			if (++i > nfsrv_devidcnt)
 				break;
 			*tdvpp++ = ds->nfsdev_dvp;
 		}
 	}
 	/*
 	 * If no matches for same file system, total all servers not assigned
 	 * to a file system.
 	 */
 	if (i == 0) {
 		TAILQ_FOREACH(ds, &nfsrv_devidhead, nfsdev_list) {
 			if (ds->nfsdev_nmp != NULL &&
 			    ds->nfsdev_mdsisset == 0) {
 				if (++i > nfsrv_devidcnt)
 					break;
 				*tdvpp++ = ds->nfsdev_dvp;
 			}
 		}
 	}
 	NFSDDSUNLOCK();
 	cnt = i;
 
 	/* Do a VFS_STATFS() for each of the DSs and sum them up. */
 	tdvpp = dvpp;
 	for (i = 0; i < cnt && error == 0; i++) {
 		dvp = *tdvpp++;
 		error = VFS_STATFS(dvp->v_mount, tsf);
 		if (error == 0) {
 			if (sf->f_bsize == 0) {
 				if (tsf->f_bsize > 0)
 					sf->f_bsize = tsf->f_bsize;
 				else
 					sf->f_bsize = 8192;
 			}
 			if (tsf->f_blocks > 0) {
 				if (sf->f_bsize != tsf->f_bsize) {
 					tot = tsf->f_blocks * tsf->f_bsize;
 					sf->f_blocks += (tot / sf->f_bsize);
 				} else
 					sf->f_blocks += tsf->f_blocks;
 			}
 			if (tsf->f_bfree > 0) {
 				if (sf->f_bsize != tsf->f_bsize) {
 					tot = tsf->f_bfree * tsf->f_bsize;
 					sf->f_bfree += (tot / sf->f_bsize);
 				} else
 					sf->f_bfree += tsf->f_bfree;
 			}
 			if (tsf->f_bavail > 0) {
 				if (sf->f_bsize != tsf->f_bsize) {
 					tot = tsf->f_bavail * tsf->f_bsize;
 					sf->f_bavail += (tot / sf->f_bsize);
 				} else
 					sf->f_bavail += tsf->f_bavail;
 			}
 		}
 	}
 	free(tsf, M_TEMP);
 	free(dvpp, M_TEMP);
 	return (error);
 }
 
 /*
  * Set an NFSv4 acl.
  */
 int
 nfsrv_setacl(struct vnode *vp, NFSACL_T *aclp, struct ucred *cred, NFSPROC_T *p)
 {
 	int error;
 
 	if (nfsrv_useacl == 0 || nfs_supportsnfsv4acls(vp) == 0) {
 		error = NFSERR_ATTRNOTSUPP;
 		goto out;
 	}
 	/*
 	 * With NFSv4 ACLs, chmod(2) may need to add additional entries.
 	 * Make sure it has enough room for that - splitting every entry
 	 * into two and appending "canonical six" entries at the end.
 	 * Cribbed out of kern/vfs_acl.c - Rick M.
 	 */
 	if (aclp->acl_cnt > (ACL_MAX_ENTRIES - 6) / 2) {
 		error = NFSERR_ATTRNOTSUPP;
 		goto out;
 	}
 	error = VOP_SETACL(vp, ACL_TYPE_NFS4, aclp, cred, p);
 	if (error == 0) {
 		error = nfsrv_dssetacl(vp, aclp, cred, p);
 		if (error == ENOENT)
 			error = 0;
 	}
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Seek vnode op call (actually it is a VOP_IOCTL()).
  * This function is called with the vnode locked, but unlocks and vrele()s
  * the vp before returning.
  */
 int
 nfsvno_seek(struct nfsrv_descript *nd, struct vnode *vp, u_long cmd,
     off_t *offp, int content, bool *eofp, struct ucred *cred, NFSPROC_T *p)
 {
 	struct nfsvattr at;
 	int error, ret;
 
 	ASSERT_VOP_LOCKED(vp, "nfsvno_seek vp");
 	/*
 	 * Attempt to seek on a DS file. A return of ENOENT implies
 	 * there is no DS file to seek on.
 	 */
 	error = nfsrv_proxyds(vp, 0, 0, cred, p, NFSPROC_SEEKDS, NULL,
 	    NULL, NULL, NULL, NULL, offp, content, eofp);
 	if (error != ENOENT) {
 		vput(vp);
 		return (error);
 	}
 
 	/*
 	 * Do the VOP_IOCTL() call.  For the case where *offp == file_size,
 	 * VOP_IOCTL() will return ENXIO.  However, the correct reply for
 	 * NFSv4.2 is *eofp == true and error == 0 for this case.
 	 */
 	NFSVOPUNLOCK(vp);
 	error = VOP_IOCTL(vp, cmd, offp, 0, cred, p);
 	*eofp = false;
 	if (error == ENXIO || (error == 0 && cmd == FIOSEEKHOLE)) {
 		/* Handle the cases where we might be at EOF. */
 		ret = nfsvno_getattr(vp, &at, nd, p, 0, NULL);
 		if (ret == 0 && *offp == at.na_size) {
 			*eofp = true;
 			error = 0;
 		}
 		if (ret != 0 && error == 0)
 			error = ret;
 	}
 	vrele(vp);
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Allocate vnode op call.
  */
 int
 nfsvno_allocate(struct vnode *vp, off_t off, off_t len, struct ucred *cred,
     NFSPROC_T *p)
 {
 	int error;
 	off_t olen;
 
 	ASSERT_VOP_ELOCKED(vp, "nfsvno_allocate vp");
 	/*
 	 * Attempt to allocate on a DS file. A return of ENOENT implies
 	 * there is no DS file to allocate on.
 	 */
 	error = nfsrv_proxyds(vp, off, 0, cred, p, NFSPROC_ALLOCATE, NULL,
 	    NULL, NULL, NULL, NULL, &len, 0, NULL);
 	if (error != ENOENT)
 		return (error);
 
 	/*
 	 * Do the actual VOP_ALLOCATE(), looping so long as
 	 * progress is being made, to achieve completion.
 	 */
 	do {
 		olen = len;
 		error = VOP_ALLOCATE(vp, &off, &len, IO_SYNC, cred);
 		if (error == 0 && len > 0 && olen > len)
 			maybe_yield();
 	} while (error == 0 && len > 0 && olen > len);
 	if (error == 0 && len > 0)
 		error = NFSERR_IO;
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Deallocate vnode op call.
  */
 int
 nfsvno_deallocate(struct vnode *vp, off_t off, off_t len, struct ucred *cred,
     NFSPROC_T *p)
 {
 	int error;
 	off_t olen;
 
 	ASSERT_VOP_ELOCKED(vp, "nfsvno_deallocate vp");
 	/*
 	 * Attempt to deallocate on a DS file. A return of ENOENT implies
 	 * there is no DS file to deallocate on.
 	 */
 	error = nfsrv_proxyds(vp, off, 0, cred, p, NFSPROC_DEALLOCATE, NULL,
 	    NULL, NULL, NULL, NULL, &len, 0, NULL);
 	if (error != ENOENT)
 		return (error);
 
 	/*
 	 * Do the actual VOP_DEALLOCATE(), looping so long as
 	 * progress is being made, to achieve completion.
 	 */
 	do {
 		olen = len;
 		error = VOP_DEALLOCATE(vp, &off, &len, 0, IO_SYNC, cred);
 		if (error == 0 && len > 0 && olen > len)
 			maybe_yield();
 	} while (error == 0 && len > 0 && olen > len);
 	if (error == 0 && len > 0)
 		error = NFSERR_IO;
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Get Extended Atribute vnode op into an mbuf list.
  */
 int
 nfsvno_getxattr(struct vnode *vp, char *name, uint32_t maxresp,
     struct ucred *cred, uint64_t flag, int maxextsiz, struct thread *p,
     struct mbuf **mpp, struct mbuf **mpendp, int *lenp)
 {
 	struct iovec *iv;
 	struct uio io, *uiop = &io;
 	struct mbuf *m, *m2;
 	int alen, error, len, tlen;
 	size_t siz;
 
 	/* First, find out the size of the extended attribute. */
 	error = VOP_GETEXTATTR(vp, EXTATTR_NAMESPACE_USER, name, NULL,
 	    &siz, cred, p);
 	if (error != 0)
 		return (NFSERR_NOXATTR);
 	if (siz > maxresp - NFS_MAXXDR)
 		return (NFSERR_XATTR2BIG);
 	len = siz;
 	tlen = NFSM_RNDUP(len);
 	if (tlen > 0) {
 		/*
 		 * If cnt > MCLBYTES and the reply will not be saved, use
 		 * ext_pgs mbufs for TLS.
 		 * For NFSv4.0, we do not know for sure if the reply will
 		 * be saved, so do not use ext_pgs mbufs for NFSv4.0.
 		 * Always use ext_pgs mbufs if ND_EXTPG is set.
 		 */
 		if ((flag & ND_EXTPG) != 0 || (tlen > MCLBYTES &&
 		    (flag & (ND_TLS | ND_SAVEREPLY)) == ND_TLS &&
 		    (flag & (ND_NFSV4 | ND_NFSV41)) != ND_NFSV4))
 			uiop->uio_iovcnt = nfsrv_createiovec_extpgs(tlen,
 			    maxextsiz, &m, &m2, &iv);
 		else
 			uiop->uio_iovcnt = nfsrv_createiovec(tlen, &m, &m2,
 			    &iv);
 		uiop->uio_iov = iv;
 	} else {
 		uiop->uio_iovcnt = 0;
 		uiop->uio_iov = iv = NULL;
 		m = m2 = NULL;
 	}
 	uiop->uio_offset = 0;
 	uiop->uio_resid = tlen;
 	uiop->uio_rw = UIO_READ;
 	uiop->uio_segflg = UIO_SYSSPACE;
 	uiop->uio_td = p;
 #ifdef MAC
 	error = mac_vnode_check_getextattr(cred, vp, EXTATTR_NAMESPACE_USER,
 	    name);
 	if (error != 0)
 		goto out;
 #endif
 
 	if (tlen > 0)
 		error = VOP_GETEXTATTR(vp, EXTATTR_NAMESPACE_USER, name, uiop,
 		    NULL, cred, p);
 	if (error != 0)
 		goto out;
 	if (uiop->uio_resid > 0) {
 		alen = tlen;
 		len = tlen - uiop->uio_resid;
 		tlen = NFSM_RNDUP(len);
 		if (alen != tlen)
 			printf("nfsvno_getxattr: weird size read\n");
 		if (tlen == 0) {
 			m_freem(m);
 			m = m2 = NULL;
 		} else if (alen != tlen || tlen != len)
 			m2 = nfsrv_adj(m, alen - tlen, tlen - len);
 	}
 	*lenp = len;
 	*mpp = m;
 	*mpendp = m2;
 
 out:
 	if (error != 0) {
 		if (m != NULL)
 			m_freem(m);
 		*lenp = 0;
 	}
 	free(iv, M_TEMP);
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Set Extended attribute vnode op from an mbuf list.
  */
 int
 nfsvno_setxattr(struct vnode *vp, char *name, int len, struct mbuf *m,
     char *cp, struct ucred *cred, struct thread *p)
 {
 	struct iovec *iv;
 	struct uio uio, *uiop = &uio;
 	int cnt, error;
 
 	error = 0;
 #ifdef MAC
 	error = mac_vnode_check_setextattr(cred, vp, EXTATTR_NAMESPACE_USER,
 	    name);
 #endif
 	if (error != 0)
 		goto out;
 
 	uiop->uio_rw = UIO_WRITE;
 	uiop->uio_segflg = UIO_SYSSPACE;
 	uiop->uio_td = p;
 	uiop->uio_offset = 0;
 	uiop->uio_resid = len;
 	if (len > 0) {
 		error = nfsrv_createiovecw(len, m, cp, &iv, &cnt);
 		uiop->uio_iov = iv;
 		uiop->uio_iovcnt = cnt;
 	} else {
 		uiop->uio_iov = iv = NULL;
 		uiop->uio_iovcnt = 0;
 	}
 	if (error == 0) {
 		error = VOP_SETEXTATTR(vp, EXTATTR_NAMESPACE_USER, name, uiop,
 		    cred, p);
 		if (error == 0) {
 			if (vp->v_type == VREG && nfsrv_devidcnt != 0)
 				nfsvno_updateds(vp, cred, p);
 			error = VOP_FSYNC(vp, MNT_WAIT, p);
 		}
 		free(iv, M_TEMP);
 	}
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * For a pNFS server, the DS file's ctime and
  * va_filerev (TimeMetadata and Change) needs to
  * be updated.  This is a hack, but works by
  * flipping the S_ISGID bit in va_mode and then
  * flipping it back.
  * It does result in two MDS->DS RPCs, but creating
  * a custom RPC just to do this seems overkill, since
  * Setxattr/Rmxattr will not be done that frequently.
  * If it fails part way through, that is not too
  * serious, since the DS file is never executed.
  */
 static void
 nfsvno_updateds(struct vnode *vp, struct ucred *cred, NFSPROC_T *p)
 {
 	struct nfsvattr nva;
 	int ret;
 	u_short tmode;
 
 	ret = VOP_GETATTR(vp, &nva.na_vattr, cred);
 	if (ret == 0) {
 		tmode = nva.na_mode;
 		NFSVNO_ATTRINIT(&nva);
 		tmode ^= S_ISGID;
 		NFSVNO_SETATTRVAL(&nva, mode, tmode);
 		ret = nfsrv_proxyds(vp, 0, 0, cred, p,
 		    NFSPROC_SETATTR, NULL, NULL, NULL, &nva,
 		    NULL, NULL, 0, NULL);
 		if (ret == 0) {
 			tmode ^= S_ISGID;
 			NFSVNO_SETATTRVAL(&nva, mode, tmode);
 			ret = nfsrv_proxyds(vp, 0, 0, cred, p,
 			    NFSPROC_SETATTR, NULL, NULL, NULL,
 			    &nva, NULL, NULL, 0, NULL);
 		}
 	}
 }
 
 /*
  * Remove Extended attribute vnode op.
  */
 int
 nfsvno_rmxattr(struct nfsrv_descript *nd, struct vnode *vp, char *name,
     struct ucred *cred, struct thread *p)
 {
 	int error;
 
 	/*
 	 * Get rid of any delegations.  I am not sure why this is required,
 	 * but RFC-8276 says so.
 	 */
 	error = nfsrv_checkremove(vp, 0, nd, nd->nd_clientid, p);
 	if (error != 0)
 		goto out;
 #ifdef MAC
 	error = mac_vnode_check_deleteextattr(cred, vp, EXTATTR_NAMESPACE_USER,
 	    name);
 	if (error != 0)
 		goto out;
 #endif
 
 	error = VOP_DELETEEXTATTR(vp, EXTATTR_NAMESPACE_USER, name, cred, p);
 	if (error == EOPNOTSUPP)
 		error = VOP_SETEXTATTR(vp, EXTATTR_NAMESPACE_USER, name, NULL,
 		    cred, p);
 	if (error == 0) {
 		if (vp->v_type == VREG && nfsrv_devidcnt != 0)
 			nfsvno_updateds(vp, cred, p);
 		error = VOP_FSYNC(vp, MNT_WAIT, p);
 	}
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * List Extended Atribute vnode op into an mbuf list.
  */
 int
 nfsvno_listxattr(struct vnode *vp, uint64_t cookie, struct ucred *cred,
     struct thread *p, u_char **bufp, uint32_t *lenp, bool *eofp)
 {
 	struct iovec iv;
 	struct uio io;
 	int error;
 	size_t siz;
 
 	*bufp = NULL;
 	/* First, find out the size of the extended attribute. */
 	error = VOP_LISTEXTATTR(vp, EXTATTR_NAMESPACE_USER, NULL, &siz, cred,
 	    p);
 	if (error != 0)
 		return (NFSERR_NOXATTR);
 	if (siz <= cookie) {
 		*lenp = 0;
 		*eofp = true;
 		goto out;
 	}
 	if (siz > cookie + *lenp) {
 		siz = cookie + *lenp;
 		*eofp = false;
 	} else
 		*eofp = true;
 	/* Just choose a sanity limit of 10Mbytes for malloc(M_TEMP). */
 	if (siz > 10 * 1024 * 1024) {
 		error = NFSERR_XATTR2BIG;
 		goto out;
 	}
 	*bufp = malloc(siz, M_TEMP, M_WAITOK);
 	iv.iov_base = *bufp;
 	iv.iov_len = siz;
 	io.uio_iovcnt = 1;
 	io.uio_iov = &iv;
 	io.uio_offset = 0;
 	io.uio_resid = siz;
 	io.uio_rw = UIO_READ;
 	io.uio_segflg = UIO_SYSSPACE;
 	io.uio_td = p;
 #ifdef MAC
 	error = mac_vnode_check_listextattr(cred, vp, EXTATTR_NAMESPACE_USER);
 	if (error != 0)
 		goto out;
 #endif
 
 	error = VOP_LISTEXTATTR(vp, EXTATTR_NAMESPACE_USER, &io, NULL, cred,
 	    p);
 	if (error != 0)
 		goto out;
 	if (io.uio_resid > 0)
 		siz -= io.uio_resid;
 	*lenp = siz;
 
 out:
 	if (error != 0) {
 		free(*bufp, M_TEMP);
 		*bufp = NULL;
 	}
 	NFSEXITCODE(error);
 	return (error);
 }
 
 /*
  * Trim trailing data off the mbuf list being built.
  */
 void
 nfsm_trimtrailing(struct nfsrv_descript *nd, struct mbuf *mb, char *bpos,
     int bextpg, int bextpgsiz)
 {
 	vm_page_t pg;
 	int fullpgsiz, i;
 
 	if (mb->m_next != NULL) {
 		m_freem(mb->m_next);
 		mb->m_next = NULL;
 	}
 	if ((mb->m_flags & M_EXTPG) != 0) {
 		KASSERT(bextpg >= 0 && bextpg < mb->m_epg_npgs,
 		    ("nfsm_trimtrailing: bextpg out of range"));
 		KASSERT(bpos == (char *)(void *)
 		    PHYS_TO_DMAP(mb->m_epg_pa[bextpg]) + PAGE_SIZE - bextpgsiz,
 		    ("nfsm_trimtrailing: bextpgsiz bad!"));
 
 		/* First, get rid of any pages after this position. */
 		for (i = mb->m_epg_npgs - 1; i > bextpg; i--) {
 			pg = PHYS_TO_VM_PAGE(mb->m_epg_pa[i]);
 			vm_page_unwire_noq(pg);
 			vm_page_free(pg);
 		}
 		mb->m_epg_npgs = bextpg + 1;
 		if (bextpg == 0)
 			fullpgsiz = PAGE_SIZE - mb->m_epg_1st_off;
 		else
 			fullpgsiz = PAGE_SIZE;
 		mb->m_epg_last_len = fullpgsiz - bextpgsiz;
 		mb->m_len = m_epg_pagelen(mb, 0, mb->m_epg_1st_off);
 		for (i = 1; i < mb->m_epg_npgs; i++)
 			mb->m_len += m_epg_pagelen(mb, i, 0);
 		nd->nd_bextpgsiz = bextpgsiz;
 		nd->nd_bextpg = bextpg;
 	} else
 		mb->m_len = bpos - mtod(mb, char *);
 	nd->nd_mb = mb;
 	nd->nd_bpos = bpos;
 }
 
 
 /*
  * Check to see if a put file handle operation should test for
  * NFSERR_WRONGSEC, although NFSv3 actually returns NFSERR_AUTHERR.
  * When Open is the next operation, NFSERR_WRONGSEC cannot be
  * replied for the Open cases that use a component.  This can
  * be identified by the fact that the file handle's type is VDIR.
  */
 bool
 nfsrv_checkwrongsec(struct nfsrv_descript *nd, int nextop, __enum_uint8(vtype) vtyp)
 {
 
 	if ((nd->nd_flag & ND_NFSV4) == 0)
 		return (true);
 
 	if ((nd->nd_flag & ND_LASTOP) != 0)
 		return (false);
 
 	if (nextop == NFSV4OP_PUTROOTFH || nextop == NFSV4OP_PUTFH ||
 	    nextop == NFSV4OP_PUTPUBFH || nextop == NFSV4OP_RESTOREFH ||
 	    nextop == NFSV4OP_LOOKUP || nextop == NFSV4OP_LOOKUPP ||
 	    nextop == NFSV4OP_SECINFO || nextop == NFSV4OP_SECINFONONAME)
 		return (false);
 	if (nextop == NFSV4OP_OPEN && vtyp == VDIR)
 		return (false);
 	return (true);
 }
 
 /*
  * Check DSs marked no space.
  */
 void
 nfsrv_checknospc(void)
 {
 	struct statfs *tsf;
 	struct nfsdevice *ds;
 	struct vnode **dvpp, **tdvpp, *dvp;
 	char *devid, *tdevid;
 	int cnt, error = 0, i;
 
 	if (nfsrv_devidcnt <= 0)
 		return;
 	dvpp = mallocarray(nfsrv_devidcnt, sizeof(*dvpp), M_TEMP, M_WAITOK);
 	devid = malloc(nfsrv_devidcnt * NFSX_V4DEVICEID, M_TEMP, M_WAITOK);
 	tsf = malloc(sizeof(*tsf), M_TEMP, M_WAITOK);
 
 	/* Get an array of the dvps for the DSs. */
 	tdvpp = dvpp;
 	tdevid = devid;
 	i = 0;
 	NFSDDSLOCK();
 	/* First, search for matches for same file system. */
 	TAILQ_FOREACH(ds, &nfsrv_devidhead, nfsdev_list) {
 		if (ds->nfsdev_nmp != NULL && ds->nfsdev_nospc) {
 			if (++i > nfsrv_devidcnt)
 				break;
 			*tdvpp++ = ds->nfsdev_dvp;
 			NFSBCOPY(ds->nfsdev_deviceid, tdevid, NFSX_V4DEVICEID);
 			tdevid += NFSX_V4DEVICEID;
 		}
 	}
 	NFSDDSUNLOCK();
 
 	/* Do a VFS_STATFS() for each of the DSs and clear no space. */
 	cnt = i;
 	tdvpp = dvpp;
 	tdevid = devid;
 	for (i = 0; i < cnt && error == 0; i++) {
 		dvp = *tdvpp++;
 		error = VFS_STATFS(dvp->v_mount, tsf);
 		if (error == 0 && tsf->f_bavail > 0) {
 			NFSD_DEBUG(1, "nfsrv_checknospc: reset nospc\n");
 			nfsrv_marknospc(tdevid, false);
 		}
 		tdevid += NFSX_V4DEVICEID;
 	}
 	free(tsf, M_TEMP);
 	free(dvpp, M_TEMP);
 	free(devid, M_TEMP);
 }
 
 /*
  * Initialize everything that needs to be initialized for a vnet.
  */
 static void
 nfsrv_vnetinit(const void *unused __unused)
 {
 
 	nfsd_mntinit();
 }
 VNET_SYSINIT(nfsrv_vnetinit, SI_SUB_VNET_DONE, SI_ORDER_ANY,
     nfsrv_vnetinit, NULL);
 
 /*
  * Clean up everything that is in a vnet and needs to be
  * done when the jail is destroyed or the module unloaded.
  */
 static void
 nfsrv_cleanup(const void *unused __unused)
 {
 	int i;
 
 	NFSD_LOCK();
 	if (!NFSD_VNET(nfsrv_mntinited)) {
 		NFSD_UNLOCK();
 		return;
 	}
 	NFSD_VNET(nfsrv_mntinited) = false;
 	NFSD_UNLOCK();
 
 	/* Clean out all NFSv4 state. */
 	nfsrv_throwawayallstate(curthread);
 
 	/* Clean the NFS server reply cache */
 	nfsrvd_cleancache();
 
 	/* Clean out v4root exports. */
 	if (NFSD_VNET(nfsv4root_mnt)->mnt_export != NULL) {
 		vfs_free_addrlist(NFSD_VNET(nfsv4root_mnt)->mnt_export);
 		free(NFSD_VNET(nfsv4root_mnt)->mnt_export, M_MOUNT);
 		NFSD_VNET(nfsv4root_mnt)->mnt_export = NULL;
 	}
 
 	/* Free up the krpc server pool. */
 	if (NFSD_VNET(nfsrvd_pool) != NULL)
 		svcpool_destroy(NFSD_VNET(nfsrvd_pool));
 
 	/* and get rid of the locks */
 	for (i = 0; i < NFSRVCACHE_HASHSIZE; i++) {
 		mtx_destroy(&NFSD_VNET(nfsrchash_table)[i].mtx);
 		mtx_destroy(&NFSD_VNET(nfsrcahash_table)[i].mtx);
 	}
 	mtx_destroy(&NFSD_VNET(nfsv4root_mnt)->mnt_mtx);
 	for (i = 0; i < nfsrv_sessionhashsize; i++)
 		mtx_destroy(&NFSD_VNET(nfssessionhash)[i].mtx);
 	lockdestroy(&NFSD_VNET(nfsv4root_mnt)->mnt_explock);
 	free(NFSD_VNET(nfsrvudphashtbl), M_NFSRVCACHE);
 	free(NFSD_VNET(nfsrchash_table), M_NFSRVCACHE);
 	free(NFSD_VNET(nfsrcahash_table), M_NFSRVCACHE);
 	free(NFSD_VNET(nfsclienthash), M_NFSDCLIENT);
 	free(NFSD_VNET(nfslockhash), M_NFSDLOCKFILE);
 	free(NFSD_VNET(nfssessionhash), M_NFSDSESSION);
 	free(NFSD_VNET(nfsv4root_mnt), M_TEMP);
 	NFSD_VNET(nfsv4root_mnt) = NULL;
 }
 VNET_SYSUNINIT(nfsrv_cleanup, SI_SUB_VNET_DONE, SI_ORDER_ANY,
     nfsrv_cleanup, NULL);
 
 extern int (*nfsd_call_nfsd)(struct thread *, struct nfssvc_args *);
 
 /*
  * Called once to initialize data structures...
  */
 static int
 nfsd_modevent(module_t mod, int type, void *data)
 {
 	int error = 0, i;
 	static int loaded = 0;
 
 	switch (type) {
 	case MOD_LOAD:
 		if (loaded)
 			goto out;
 		newnfs_portinit();
 		mtx_init(&nfsrc_udpmtx, "nfsuc", NULL, MTX_DEF);
 		mtx_init(&nfs_v4root_mutex, "nfs4rt", NULL, MTX_DEF);
 		mtx_init(&nfsrv_dontlistlock_mtx, "nfs4dnl", NULL, MTX_DEF);
 		mtx_init(&nfsrv_recalllock_mtx, "nfs4rec", NULL, MTX_DEF);
 #ifdef VV_DISABLEDELEG
 		vn_deleg_ops.vndeleg_recall = nfsd_recalldelegation;
 		vn_deleg_ops.vndeleg_disable = nfsd_disabledelegation;
 #endif
 		nfsd_call_nfsd = nfssvc_nfsd;
 		loaded = 1;
 		break;
 
 	case MOD_UNLOAD:
 		if (newnfs_numnfsd != 0) {
 			error = EBUSY;
 			break;
 		}
 
 #ifdef VV_DISABLEDELEG
 		vn_deleg_ops.vndeleg_recall = NULL;
 		vn_deleg_ops.vndeleg_disable = NULL;
 #endif
 		nfsd_call_nfsd = NULL;
 		mtx_destroy(&nfsrc_udpmtx);
 		mtx_destroy(&nfs_v4root_mutex);
 		mtx_destroy(&nfsrv_dontlistlock_mtx);
 		mtx_destroy(&nfsrv_recalllock_mtx);
 		if (nfslayouthash != NULL) {
 			for (i = 0; i < nfsrv_layouthashsize; i++)
 				mtx_destroy(&nfslayouthash[i].mtx);
 			free(nfslayouthash, M_NFSDSESSION);
 		}
 		loaded = 0;
 		break;
 	default:
 		error = EOPNOTSUPP;
 		break;
 	}
 
 out:
 	NFSEXITCODE(error);
 	return (error);
 }
 static moduledata_t nfsd_mod = {
 	"nfsd",
 	nfsd_modevent,
 	NULL,
 };
 DECLARE_MODULE(nfsd, nfsd_mod, SI_SUB_VFS, SI_ORDER_ANY);
 
 /* So that loader and kldload(2) can find us, wherever we are.. */
 MODULE_VERSION(nfsd, 1);
 MODULE_DEPEND(nfsd, nfscommon, 1, 1, 1);
 MODULE_DEPEND(nfsd, nfslockd, 1, 1, 1);
 MODULE_DEPEND(nfsd, krpc, 1, 1, 1);
 MODULE_DEPEND(nfsd, nfssvc, 1, 1, 1);
diff --git a/sys/fs/nfsserver/nfs_nfsdserv.c b/sys/fs/nfsserver/nfs_nfsdserv.c
index a881968b03be..921ea4887af1 100644
--- a/sys/fs/nfsserver/nfs_nfsdserv.c
+++ b/sys/fs/nfsserver/nfs_nfsdserv.c
@@ -1,6637 +1,6637 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed to Berkeley by
  * Rick Macklem at The University of Guelph.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  */
 
 #include <sys/cdefs.h>
 #include "opt_inet.h"
 #include "opt_inet6.h"
 /*
  * nfs version 2, 3 and 4 server calls to vnode ops
  * - these routines generally have 3 phases
  *   1 - break down and validate rpc request in mbuf list
  *   2 - do the vnode ops for the request, usually by calling a nfsvno_XXX()
  *       function in nfsd_port.c
  *   3 - build the rpc reply in an mbuf list
  * For nfsv4, these functions are called for each Op within the Compound RPC.
  */
 
 #include <fs/nfs/nfsport.h>
 #include <sys/extattr.h>
 #include <sys/filio.h>
 
 /* Global vars */
 extern u_int32_t newnfs_false, newnfs_true;
 extern __enum_uint8(vtype) nv34tov_type[8];
 extern struct timeval nfsboottime;
 extern int nfsrv_enable_crossmntpt;
 extern int nfsrv_statehashsize;
 extern int nfsrv_layouthashsize;
 extern time_t nfsdev_time;
 extern volatile int nfsrv_devidcnt;
 extern int nfsd_debuglevel;
 extern u_long sb_max_adj;
 extern int nfsrv_pnfsatime;
 extern int nfsrv_maxpnfsmirror;
 extern uint32_t nfs_srvmaxio;
 extern int nfsrv_issuedelegs;
 
 static int	nfs_async = 0;
 SYSCTL_DECL(_vfs_nfsd);
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, async, CTLFLAG_RW, &nfs_async, 0,
     "Tell client that writes were synced even though they were not");
 extern int	nfsrv_doflexfile;
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, default_flexfile, CTLFLAG_RW,
     &nfsrv_doflexfile, 0, "Make Flex File Layout the default for pNFS");
 static int	nfsrv_linux42server = 1;
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, linux42server, CTLFLAG_RW,
     &nfsrv_linux42server, 0,
     "Enable Linux style NFSv4.2 server (non-RFC compliant)");
 static bool	nfsrv_openaccess = true;
 SYSCTL_BOOL(_vfs_nfsd, OID_AUTO, v4openaccess, CTLFLAG_RW,
     &nfsrv_openaccess, 0,
     "Enable Linux style NFSv4 Open access check");
 static char nfsrv_scope[NFSV4_OPAQUELIMIT];
 SYSCTL_STRING(_vfs_nfsd, OID_AUTO, scope, CTLFLAG_RWTUN,
     &nfsrv_scope, NFSV4_OPAQUELIMIT, "Server scope");
 static char nfsrv_owner_major[NFSV4_OPAQUELIMIT];
 SYSCTL_STRING(_vfs_nfsd, OID_AUTO, owner_major, CTLFLAG_RWTUN,
     &nfsrv_owner_major, NFSV4_OPAQUELIMIT, "Server owner major");
 static uint64_t nfsrv_owner_minor;
 SYSCTL_U64(_vfs_nfsd, OID_AUTO, owner_minor, CTLFLAG_RWTUN,
     &nfsrv_owner_minor, 0, "Server owner minor");
 /*
  * Only enable this if all your exported file systems
  * (or pNFS DSs for the pNFS case) support VOP_ALLOCATE.
  */
 static bool	nfsrv_doallocate = false;
 SYSCTL_BOOL(_vfs_nfsd, OID_AUTO, enable_v42allocate, CTLFLAG_RW,
     &nfsrv_doallocate, 0,
     "Enable NFSv4.2 Allocate operation");
 static uint64_t nfsrv_maxcopyrange = SSIZE_MAX;
 SYSCTL_U64(_vfs_nfsd, OID_AUTO, maxcopyrange, CTLFLAG_RW,
     &nfsrv_maxcopyrange, 0, "Max size of a Copy so RPC times reasonable");
 
 /*
  * This list defines the GSS mechanisms supported.
  * (Don't ask me how you get these strings from the RFC stuff like
  *  iso(1), org(3)... but someone did it, so I don't need to know.)
  */
 static struct nfsgss_mechlist nfsgss_mechlist[] = {
 	{ 9, "\052\206\110\206\367\022\001\002\002", 11 },
 	{ 0, "", 0 },
 };
 
 /* local functions */
 static void nfsrvd_symlinksub(struct nfsrv_descript *nd, struct nameidata *ndp,
     struct nfsvattr *nvap, fhandle_t *fhp, vnode_t *vpp,
     vnode_t dirp, struct nfsvattr *dirforp, struct nfsvattr *diraftp,
     int *diraft_retp, nfsattrbit_t *attrbitp,
     NFSACL_T *aclp, NFSPROC_T *p, struct nfsexstuff *exp, char *pathcp,
     int pathlen);
 static void nfsrvd_mkdirsub(struct nfsrv_descript *nd, struct nameidata *ndp,
     struct nfsvattr *nvap, fhandle_t *fhp, vnode_t *vpp,
     vnode_t dirp, struct nfsvattr *dirforp, struct nfsvattr *diraftp,
     int *diraft_retp, nfsattrbit_t *attrbitp, NFSACL_T *aclp,
     NFSPROC_T *p, struct nfsexstuff *exp);
 
 /*
  * nfs access service (not a part of NFS V2)
  */
 int
 nfsrvd_access(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int getret, error = 0;
 	struct nfsvattr nva;
 	u_int32_t testmode, nfsmode, supported = 0;
 	accmode_t deletebit;
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, 1, &nva);
 		goto out;
 	}
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 	nfsmode = fxdr_unsigned(u_int32_t, *tl);
 	if ((nd->nd_flag & ND_NFSV4) &&
 	    (nfsmode & ~(NFSACCESS_READ | NFSACCESS_LOOKUP |
 	     NFSACCESS_MODIFY | NFSACCESS_EXTEND | NFSACCESS_DELETE |
 	     NFSACCESS_EXECUTE | NFSACCESS_XAREAD | NFSACCESS_XAWRITE |
 	     NFSACCESS_XALIST))) {
 		nd->nd_repstat = NFSERR_INVAL;
 		vput(vp);
 		goto out;
 	}
 	if (nfsmode & NFSACCESS_READ) {
 		supported |= NFSACCESS_READ;
 		if (nfsvno_accchk(vp, VREAD, nd->nd_cred, exp, p,
 		    NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
 			nfsmode &= ~NFSACCESS_READ;
 	}
 	if (nfsmode & NFSACCESS_MODIFY) {
 		supported |= NFSACCESS_MODIFY;
 		if (nfsvno_accchk(vp, VWRITE, nd->nd_cred, exp, p,
 		    NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
 			nfsmode &= ~NFSACCESS_MODIFY;
 	}
 	if (nfsmode & NFSACCESS_EXTEND) {
 		supported |= NFSACCESS_EXTEND;
 		if (nfsvno_accchk(vp, VWRITE | VAPPEND, nd->nd_cred, exp, p,
 		    NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
 			nfsmode &= ~NFSACCESS_EXTEND;
 	}
 	if (nfsmode & NFSACCESS_XAREAD) {
 		supported |= NFSACCESS_XAREAD;
 		if (nfsvno_accchk(vp, VREAD, nd->nd_cred, exp, p,
 		    NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
 			nfsmode &= ~NFSACCESS_XAREAD;
 	}
 	if (nfsmode & NFSACCESS_XAWRITE) {
 		supported |= NFSACCESS_XAWRITE;
 		if (nfsvno_accchk(vp, VWRITE, nd->nd_cred, exp, p,
 		    NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
 			nfsmode &= ~NFSACCESS_XAWRITE;
 	}
 	if (nfsmode & NFSACCESS_XALIST) {
 		supported |= NFSACCESS_XALIST;
 		if (nfsvno_accchk(vp, VREAD, nd->nd_cred, exp, p,
 		    NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
 			nfsmode &= ~NFSACCESS_XALIST;
 	}
 	if (nfsmode & NFSACCESS_DELETE) {
 		supported |= NFSACCESS_DELETE;
 		if (vp->v_type == VDIR)
 			deletebit = VDELETE_CHILD;
 		else
 			deletebit = VDELETE;
 		if (nfsvno_accchk(vp, deletebit, nd->nd_cred, exp, p,
 		    NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
 			nfsmode &= ~NFSACCESS_DELETE;
 	}
 	if (vp->v_type == VDIR)
 		testmode = NFSACCESS_LOOKUP;
 	else
 		testmode = NFSACCESS_EXECUTE;
 	if (nfsmode & testmode) {
 		supported |= (nfsmode & testmode);
 		if (nfsvno_accchk(vp, VEXEC, nd->nd_cred, exp, p,
 		    NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
 			nfsmode &= ~testmode;
 	}
 	nfsmode &= supported;
 	if (nd->nd_flag & ND_NFSV3) {
 		getret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
 		nfsrv_postopattr(nd, getret, &nva);
 	}
 	vput(vp);
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(supported);
 	} else
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(nfsmode);
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs getattr service
  */
 int
 nfsrvd_getattr(struct nfsrv_descript *nd, int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	struct nfsvattr nva;
 	fhandle_t fh;
 	int at_root = 0, error = 0, ret, supports_nfsv4acls;
 	struct nfsreferral *refp;
 	nfsattrbit_t attrbits, tmpbits;
 	struct mount *mp;
 	struct vnode *tvp = NULL;
 	struct vattr va;
 	uint64_t mounted_on_fileno = 0;
 	accmode_t accmode;
 	struct thread *p = curthread;
 	size_t atsiz;
 	long pathval;
 	bool has_hiddensystem, has_namedattr, xattrsupp;
 	uint32_t clone_blksize;
 
 	if (nd->nd_repstat)
 		goto out;
 	if (nd->nd_flag & ND_NFSV4) {
 		error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
 		if (error) {
 			vput(vp);
 			goto out;
 		}
 
 		/*
 		 * Check for a referral.
 		 */
 		refp = nfsv4root_getreferral(vp, NULL, 0);
 		if (refp != NULL) {
 			(void) nfsrv_putreferralattr(nd, &attrbits, refp, 1,
 			    &nd->nd_repstat);
 			vput(vp);
 			goto out;
 		}
 		if (nd->nd_repstat == 0) {
 			accmode = 0;
 			NFSSET_ATTRBIT(&tmpbits, &attrbits);
 
 			/*
 			 * GETATTR with write-only attr time_access_set and time_modify_set
 			 * should return NFS4ERR_INVAL.
 			 */
 			if (NFSISSET_ATTRBIT(&tmpbits, NFSATTRBIT_TIMEACCESSSET) ||
 					NFSISSET_ATTRBIT(&tmpbits, NFSATTRBIT_TIMEMODIFYSET)){
 				error = NFSERR_INVAL;
 				vput(vp);
 				goto out;
 			}
 			if (NFSISSET_ATTRBIT(&tmpbits, NFSATTRBIT_ACL)) {
 				NFSCLRBIT_ATTRBIT(&tmpbits, NFSATTRBIT_ACL);
 				accmode |= VREAD_ACL;
 			}
 			if (NFSNONZERO_ATTRBIT(&tmpbits))
 				accmode |= VREAD_ATTRIBUTES;
 			if (accmode != 0)
 				nd->nd_repstat = nfsvno_accchk(vp, accmode,
 				    nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE,
 				    NFSACCCHK_VPISLOCKED, NULL);
 		}
 	}
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, &attrbits);
 	if (!nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV4) {
 			if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_FILEHANDLE))
 				nd->nd_repstat = nfsvno_getfh(vp, &fh, p);
 			if (!nd->nd_repstat)
 				nd->nd_repstat = nfsrv_checkgetattr(nd, vp,
 				    &nva, &attrbits, p);
 			if (nd->nd_repstat == 0) {
 				supports_nfsv4acls = nfs_supportsnfsv4acls(vp);
 				xattrsupp = false;
 				if (NFSISSET_ATTRBIT(&attrbits,
 				    NFSATTRBIT_XATTRSUPPORT)) {
 					ret = VOP_GETEXTATTR(vp,
 					    EXTATTR_NAMESPACE_USER,
 					    "xxx", NULL, &atsiz, nd->nd_cred,
 					    p);
 					xattrsupp = ret != EOPNOTSUPP;
 				}
 				if (VOP_PATHCONF(vp, _PC_HAS_HIDDENSYSTEM,
 				    &pathval) != 0)
 					pathval = 0;
 				has_hiddensystem = pathval > 0;
 				pathval = 0;
 				if (NFSISSET_ATTRBIT(&attrbits,
 				    NFSATTRBIT_NAMEDATTR) &&
 				    VOP_PATHCONF(vp, _PC_HAS_NAMEDATTR,
 				    &pathval) != 0)
 					pathval = 0;
 				has_namedattr = pathval > 0;
 				pathval = 0;
 				if (VOP_PATHCONF(vp, _PC_CLONE_BLKSIZE,
 				    &pathval) != 0)
 					pathval = 0;
 				clone_blksize = pathval;
 				mp = vp->v_mount;
 				if (nfsrv_enable_crossmntpt != 0 &&
 				    vp->v_type == VDIR &&
 				    (vp->v_vflag & VV_ROOT) != 0 &&
 				    vp != rootvnode) {
 					tvp = mp->mnt_vnodecovered;
-					VREF(tvp);
+					vref(tvp);
 					at_root = 1;
 				} else
 					at_root = 0;
 				vfs_ref(mp);
 				NFSVOPUNLOCK(vp);
 				if (at_root != 0) {
 					if ((nd->nd_repstat =
 					     NFSVOPLOCK(tvp, LK_SHARED)) == 0) {
 						nd->nd_repstat = VOP_GETATTR(
 						    tvp, &va, nd->nd_cred);
 						vput(tvp);
 					} else
 						vrele(tvp);
 					if (nd->nd_repstat == 0)
 						mounted_on_fileno = (uint64_t)
 						    va.va_fileid;
 					else
 						at_root = 0;
 				}
 				if (nd->nd_repstat == 0)
 					nd->nd_repstat = vfs_busy(mp, 0);
 				vfs_rel(mp);
 				if (nd->nd_repstat == 0) {
 					(void)nfsvno_fillattr(nd, mp, vp, &nva,
 					    &fh, 0, &attrbits, nd->nd_cred, p,
 					    isdgram, 1, supports_nfsv4acls,
 					    at_root, mounted_on_fileno,
 					    xattrsupp, has_hiddensystem,
 					    has_namedattr, clone_blksize);
 					vfs_unbusy(mp);
 				}
 				vrele(vp);
 			} else
 				vput(vp);
 		} else {
 			nfsrv_fillattr(nd, &nva);
 			vput(vp);
 		}
 	} else {
 		vput(vp);
 	}
 
 out:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs setattr service
  */
 int
 nfsrvd_setattr(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	struct nfsvattr nva, nva2;
 	u_int32_t *tl;
 	int preat_ret = 1, postat_ret = 1, gcheck = 0, error = 0;
 	int gotproxystateid;
 	struct timespec guard = { 0, 0 };
 	nfsattrbit_t attrbits, retbits;
 	nfsv4stateid_t stateid;
 	NFSACL_T *aclp = NULL;
 	struct thread *p = curthread;
 
 	NFSZERO_ATTRBIT(&retbits);
 	if (nd->nd_repstat) {
 		nfsrv_wcc(nd, preat_ret, &nva2, postat_ret, &nva);
 		goto out;
 	}
 #ifdef NFS4_ACL_EXTATTR_NAME
 	aclp = acl_alloc(M_WAITOK);
 	aclp->acl_cnt = 0;
 #endif
 	gotproxystateid = 0;
 	NFSVNO_ATTRINIT(&nva);
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
 		stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 		stateid.other[0] = *tl++;
 		stateid.other[1] = *tl++;
 		stateid.other[2] = *tl;
 		if (stateid.other[0] == 0x55555555 &&
 		    stateid.other[1] == 0x55555555 &&
 		    stateid.other[2] == 0x55555555 &&
 		    stateid.seqid == 0xffffffff)
 			gotproxystateid = 1;
 	}
 	error = nfsrv_sattr(nd, vp, &nva, &attrbits, aclp, p);
 	if (error)
 		goto nfsmout;
 
 	/* For NFSv4, only va_uid and va_flags is used from nva2. */
 	NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_OWNER);
 	NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_HIDDEN);
 	NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_SYSTEM);
 	preat_ret = nfsvno_getattr(vp, &nva2, nd, p, 1, &retbits);
 	if (!nd->nd_repstat)
 		nd->nd_repstat = preat_ret;
 
 	NFSZERO_ATTRBIT(&retbits);
 	if (nd->nd_flag & ND_NFSV3) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		gcheck = fxdr_unsigned(int, *tl);
 		if (gcheck) {
 			NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			fxdr_nfsv3time(tl, &guard);
 		}
 		if (!nd->nd_repstat && gcheck &&
 		    (nva2.na_ctime.tv_sec != guard.tv_sec ||
 		     nva2.na_ctime.tv_nsec != guard.tv_nsec))
 			nd->nd_repstat = NFSERR_NOT_SYNC;
 		if (nd->nd_repstat) {
 			vput(vp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 			acl_free(aclp);
 #endif
 			nfsrv_wcc(nd, preat_ret, &nva2, postat_ret, &nva);
 			goto out;
 		}
 	} else if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV4))
 		nd->nd_repstat = nfsrv_checkuidgid(nd, &nva);
 
 	/*
 	 * Now that we have all the fields, lets do it.
 	 * If the size is being changed write access is required, otherwise
 	 * just check for a read only file system.
 	 */
 	if (!nd->nd_repstat) {
 		if (NFSVNO_NOTSETSIZE(&nva)) {
 			if (NFSVNO_EXRDONLY(exp) ||
 			    (vp->v_mount->mnt_flag & MNT_RDONLY))
 				nd->nd_repstat = EROFS;
 		} else {
 			if (vp->v_type != VREG)
 				nd->nd_repstat = EINVAL;
 			else if (nva2.na_uid != nd->nd_cred->cr_uid ||
 			    NFSVNO_EXSTRICTACCESS(exp))
 				nd->nd_repstat = nfsvno_accchk(vp,
 				    VWRITE, nd->nd_cred, exp, p,
 				    NFSACCCHK_NOOVERRIDE,
 				    NFSACCCHK_VPISLOCKED, NULL);
 		}
 	}
 	/*
 	 * Proxy operations from the MDS are allowed via the all 0s special
 	 * stateid.
 	 */
 	if (nd->nd_repstat == 0 && (nd->nd_flag & ND_NFSV4) != 0 &&
 	    gotproxystateid == 0)
 		nd->nd_repstat = nfsrv_checksetattr(vp, nd, &stateid,
 		    &nva, &attrbits, exp, p);
 
 	if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV4)) {
 	    u_long oldflags;
 
 	    oldflags = nva2.na_flags;
 	    /*
 	     * For V4, try setting the attributes in sets, so that the
 	     * reply bitmap will be correct for an error case.
 	     */
 	    if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNER) ||
 		NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNERGROUP)) {
 		NFSVNO_ATTRINIT(&nva2);
 		NFSVNO_SETATTRVAL(&nva2, uid, nva.na_uid);
 		NFSVNO_SETATTRVAL(&nva2, gid, nva.na_gid);
 		nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
 		    exp);
 		if (!nd->nd_repstat) {
 		    if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNER))
 			NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_OWNER);
 		    if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNERGROUP))
 			NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_OWNERGROUP);
 		}
 	    }
 	    if (!nd->nd_repstat &&
 		NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_SIZE)) {
 		NFSVNO_ATTRINIT(&nva2);
 		NFSVNO_SETATTRVAL(&nva2, size, nva.na_size);
 		nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
 		    exp);
 		if (!nd->nd_repstat)
 		    NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_SIZE);
 	    }
 	    if (!nd->nd_repstat &&
 		(NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESSSET) ||
 		 NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFYSET))) {
 		NFSVNO_ATTRINIT(&nva2);
 		NFSVNO_SETATTRVAL(&nva2, atime, nva.na_atime);
 		NFSVNO_SETATTRVAL(&nva2, mtime, nva.na_mtime);
 		if (nva.na_vaflags & VA_UTIMES_NULL) {
 			nva2.na_vaflags |= VA_UTIMES_NULL;
 			NFSVNO_SETACTIVE(&nva2, vaflags);
 		}
 		nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
 		    exp);
 		if (!nd->nd_repstat) {
 		    if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESSSET))
 			NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_TIMEACCESSSET);
 		    if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFYSET))
 			NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_TIMEMODIFYSET);
 		}
 	    }
 	    if (!nd->nd_repstat &&
 		NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMECREATE)) {
 		NFSVNO_ATTRINIT(&nva2);
 		NFSVNO_SETATTRVAL(&nva2, btime, nva.na_btime);
 		nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
 		    exp);
 		if (!nd->nd_repstat)
 		    NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_TIMECREATE);
 	    }
 	    if (!nd->nd_repstat &&
 		(NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_MODE) ||
 		 NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_MODESETMASKED))) {
 		NFSVNO_ATTRINIT(&nva2);
 		NFSVNO_SETATTRVAL(&nva2, mode, nva.na_mode);
 		nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
 		    exp);
 		if (!nd->nd_repstat) {
 		    if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_MODE))
 			NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_MODE);
 		    if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_MODESETMASKED))
 			NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_MODESETMASKED);
 		}
 	    }
 	    if (!nd->nd_repstat &&
 		(NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_HIDDEN) ||
 		 NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_SYSTEM))) {
 		if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_HIDDEN)) {
 		    if ((nva.na_flags & UF_HIDDEN) != 0)
 			oldflags |= UF_HIDDEN;
 		    else
 			oldflags &= ~UF_HIDDEN;
 		}
 		if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_SYSTEM)) {
 		    if ((nva.na_flags & UF_SYSTEM) != 0)
 			oldflags |= UF_SYSTEM;
 		    else
 			oldflags &= ~UF_SYSTEM;
 		}
 		NFSVNO_ATTRINIT(&nva2);
 		NFSVNO_SETATTRVAL(&nva2, flags, oldflags);
 		nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
 		    exp);
 		if (!nd->nd_repstat) {
 		    if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_HIDDEN))
 			NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_HIDDEN);
 		    if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_SYSTEM))
 			NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_SYSTEM);
 		}
 	    }
 
 #ifdef NFS4_ACL_EXTATTR_NAME
 	    if (!nd->nd_repstat && aclp->acl_cnt > 0 &&
 		NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_ACL)) {
 		nd->nd_repstat = nfsrv_setacl(vp, aclp, nd->nd_cred, p);
 		if (!nd->nd_repstat) 
 		    NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_ACL);
 	    }
 #endif
 	} else if (!nd->nd_repstat) {
 		nd->nd_repstat = nfsvno_setattr(vp, &nva, nd->nd_cred, p,
 		    exp);
 	}
 	if (nd->nd_flag & (ND_NFSV2 | ND_NFSV3)) {
 		postat_ret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
 		if (!nd->nd_repstat)
 			nd->nd_repstat = postat_ret;
 	}
 	vput(vp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 	acl_free(aclp);
 #endif
 	if (nd->nd_flag & ND_NFSV3)
 		nfsrv_wcc(nd, preat_ret, &nva2, postat_ret, &nva);
 	else if (nd->nd_flag & ND_NFSV4)
 		(void) nfsrv_putattrbit(nd, &retbits);
 	else if (!nd->nd_repstat)
 		nfsrv_fillattr(nd, &nva);
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 	acl_free(aclp);
 #endif
 	if (nd->nd_flag & ND_NFSV4) {
 		/*
 		 * For all nd_repstat, the V4 reply includes a bitmap,
 		 * even NFSERR_BADXDR, which is what this will end up
 		 * returning.
 		 */
 		(void) nfsrv_putattrbit(nd, &retbits);
 	}
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs lookup rpc
  * (Also performs lookup parent for v4)
  */
 int
 nfsrvd_lookup(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t dp, vnode_t *vpp, fhandle_t *fhp, struct nfsexstuff *exp)
 {
 	struct nameidata named;
 	vnode_t vp, dirp = NULL;
 	int error = 0, dattr_ret = 1;
 	struct nfsvattr nva, dattr;
 	char *bufp;
 	u_long *hashp;
 	struct thread *p = curthread;
 	struct componentname *cnp;
 	short irflag;
 
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, dattr_ret, &dattr);
 		goto out;
 	}
 
 	/*
 	 * For some reason, if dp is a symlink, the error
 	 * returned is supposed to be NFSERR_SYMLINK and not NFSERR_NOTDIR.
 	 */
 	if (dp->v_type == VLNK && (nd->nd_flag & ND_NFSV4)) {
 		nd->nd_repstat = NFSERR_SYMLINK;
 		vrele(dp);
 		goto out;
 	}
 
 	cnp = &named.ni_cnd;
 	irflag = vn_irflag_read(dp);
 	if ((irflag & VIRF_NAMEDDIR) != 0)
 		NFSNAMEICNDSET(cnp, nd->nd_cred, LOOKUP, LOCKLEAF | OPENNAMED);
 	else
 		NFSNAMEICNDSET(cnp, nd->nd_cred, LOOKUP, LOCKLEAF);
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 	if (error) {
 		vrele(dp);
 		nfsvno_relpathbuf(&named);
 		goto out;
 	}
 	if (!nd->nd_repstat) {
 		/* Don't set OPENNAMED for Lookupp (".."). */
 		if (cnp->cn_namelen == 2 && *cnp->cn_pnbuf == '.' &&
 		    *(cnp->cn_pnbuf + 1) == '.')
 			cnp->cn_flags &= ~OPENNAMED;
 		nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp, &dirp);
 	} else {
 		vrele(dp);
 		nfsvno_relpathbuf(&named);
 	}
 	if (nd->nd_repstat) {
 		if (dirp) {
 			if (nd->nd_flag & ND_NFSV3)
 				dattr_ret = nfsvno_getattr(dirp, &dattr, nd, p,
 				    0, NULL);
 			vrele(dirp);
 		}
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_postopattr(nd, dattr_ret, &dattr);
 		goto out;
 	}
 	nfsvno_relpathbuf(&named);
 	vp = named.ni_vp;
 	if ((nd->nd_flag & ND_NFSV4) != 0 && !NFSVNO_EXPORTED(exp) &&
 	    vp->v_type != VDIR && vp->v_type != VLNK)
 		/*
 		 * Only allow lookup of VDIR and VLNK for traversal of
 		 * non-exported volumes during NFSv4 mounting.
 		 */
 		nd->nd_repstat = ENOENT;
 	if (nd->nd_repstat == 0) {
 		nd->nd_repstat = nfsvno_getfh(vp, fhp, p);
 		/*
 		 * EOPNOTSUPP indicates the file system cannot be exported,
 		 * so just pretend the entry does not exist.
 		 */
 		if (nd->nd_repstat == EOPNOTSUPP)
 			nd->nd_repstat = ENOENT;
 	}
 	if (!(nd->nd_flag & ND_NFSV4) && !nd->nd_repstat)
 		nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
 	if (vpp != NULL && nd->nd_repstat == 0)
 		*vpp = vp;
 	else
 		vput(vp);
 	if (dirp) {
 		if (nd->nd_flag & ND_NFSV3)
 			dattr_ret = nfsvno_getattr(dirp, &dattr, nd, p, 0,
 			    NULL);
 		vrele(dirp);
 	}
 	if (nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_postopattr(nd, dattr_ret, &dattr);
 		goto out;
 	}
 	if (nd->nd_flag & ND_NFSV2) {
 		(void)nfsm_fhtom(NULL, nd, (u_int8_t *)fhp, 0, 0);
 		nfsrv_fillattr(nd, &nva);
 	} else if (nd->nd_flag & ND_NFSV3) {
 		(void)nfsm_fhtom(NULL, nd, (u_int8_t *)fhp, 0, 0);
 		nfsrv_postopattr(nd, 0, &nva);
 		nfsrv_postopattr(nd, dattr_ret, &dattr);
 	}
 
 out:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs readlink service
  */
 int
 nfsrvd_readlink(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	struct mbuf *mp = NULL, *mpend = NULL;
 	int getret = 1, len;
 	struct nfsvattr nva;
 	struct thread *p = curthread;
 	uint16_t off;
 
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, getret, &nva);
 		goto out;
 	}
 	if (vp->v_type != VLNK) {
 		if (nd->nd_flag & ND_NFSV2)
 			nd->nd_repstat = ENXIO;
 		else
 			nd->nd_repstat = EINVAL;
 	}
 	if (nd->nd_repstat == 0) {
 		if ((nd->nd_flag & ND_EXTPG) != 0)
 			nd->nd_repstat = nfsvno_readlink(vp, nd->nd_cred,
 			    nd->nd_maxextsiz, p, &mp, &mpend, &len);
 		else
 			nd->nd_repstat = nfsvno_readlink(vp, nd->nd_cred,
 			    0, p, &mp, &mpend, &len);
 	}
 	if (nd->nd_flag & ND_NFSV3)
 		getret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
 	vput(vp);
 	if (nd->nd_flag & ND_NFSV3)
 		nfsrv_postopattr(nd, getret, &nva);
 	if (nd->nd_repstat)
 		goto out;
 	NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(len);
 	if (mp != NULL) {
 		nd->nd_mb->m_next = mp;
 		nd->nd_mb = mpend;
 		if ((mpend->m_flags & M_EXTPG) != 0) {
 			nd->nd_bextpg = mpend->m_epg_npgs - 1;
 			nd->nd_bpos = (char *)(void *)
 			    PHYS_TO_DMAP(mpend->m_epg_pa[nd->nd_bextpg]);
 			off = (nd->nd_bextpg == 0) ? mpend->m_epg_1st_off : 0;
 			nd->nd_bpos += off + mpend->m_epg_last_len;
 			nd->nd_bextpgsiz = PAGE_SIZE - mpend->m_epg_last_len -
 			    off;
 		} else
 			nd->nd_bpos = mtod(mpend, char *) + mpend->m_len;
 	}
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
 
 /*
  * nfs read service
  */
 int
 nfsrvd_read(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int error = 0, cnt, getret = 1, gotproxystateid, reqlen, eof = 0;
 	struct mbuf *m2, *m3;
 	struct nfsvattr nva;
 	off_t off = 0x0;
 	struct nfsstate st, *stp = &st;
 	struct nfslock lo, *lop = &lo;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	struct thread *p = curthread;
 	uint16_t poff;
 
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, getret, &nva);
 		goto out;
 	}
 	if (nd->nd_flag & ND_NFSV2) {
 		NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		off = (off_t)fxdr_unsigned(u_int32_t, *tl++);
 		reqlen = fxdr_unsigned(int, *tl);
 	} else if (nd->nd_flag & ND_NFSV3) {
 		NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 		off = fxdr_hyper(tl);
 		tl += 2;
 		reqlen = fxdr_unsigned(int, *tl);
 	} else {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + 3*NFSX_UNSIGNED);
 		reqlen = fxdr_unsigned(int, *(tl + 6));
 	}
 	if (reqlen > NFS_SRVMAXDATA(nd)) {
 		reqlen = NFS_SRVMAXDATA(nd);
 	} else if (reqlen < 0) {
 		error = EBADRPC;
 		goto nfsmout;
 	}
 	gotproxystateid = 0;
 	if (nd->nd_flag & ND_NFSV4) {
 		stp->ls_flags = (NFSLCK_CHECK | NFSLCK_READACCESS);
 		lop->lo_flags = NFSLCK_READ;
 		stp->ls_ownerlen = 0;
 		stp->ls_op = NULL;
 		stp->ls_uid = nd->nd_cred->cr_uid;
 		stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 		clientid.lval[0] = stp->ls_stateid.other[0] = *tl++;
 		clientid.lval[1] = stp->ls_stateid.other[1] = *tl++;
 		if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 			if ((nd->nd_flag & ND_NFSV41) != 0)
 				clientid.qval = nd->nd_clientid.qval;
 			else if (nd->nd_clientid.qval != clientid.qval)
 				printf("EEK1 multiple clids\n");
 		} else {
 			if ((nd->nd_flag & ND_NFSV41) != 0)
 				printf("EEK! no clientid from session\n");
 			nd->nd_flag |= ND_IMPLIEDCLID;
 			nd->nd_clientid.qval = clientid.qval;
 		}
 		stp->ls_stateid.other[2] = *tl++;
 		/*
 		 * Don't allow the client to use a special stateid for a DS op.
 		 */
 		if ((nd->nd_flag & ND_DSSERVER) != 0 &&
 		    ((stp->ls_stateid.other[0] == 0x0 &&
 		    stp->ls_stateid.other[1] == 0x0 &&
 		    stp->ls_stateid.other[2] == 0x0) ||
 		    (stp->ls_stateid.other[0] == 0xffffffff &&
 		    stp->ls_stateid.other[1] == 0xffffffff &&
 		    stp->ls_stateid.other[2] == 0xffffffff) ||
 		    stp->ls_stateid.seqid != 0))
 			nd->nd_repstat = NFSERR_BADSTATEID;
 		/* However, allow the proxy stateid. */
 		if (stp->ls_stateid.seqid == 0xffffffff &&
 		    stp->ls_stateid.other[0] == 0x55555555 &&
 		    stp->ls_stateid.other[1] == 0x55555555 &&
 		    stp->ls_stateid.other[2] == 0x55555555)
 			gotproxystateid = 1;
 		off = fxdr_hyper(tl);
 		lop->lo_first = off;
 		tl += 2;
 		lop->lo_end = off + reqlen;
 		/*
 		 * Paranoia, just in case it wraps around.
 		 */
 		if (lop->lo_end < off)
 			lop->lo_end = NFS64BITSSET;
 	}
 	if (vp->v_type != VREG) {
 		if (nd->nd_flag & ND_NFSV3)
 			nd->nd_repstat = EINVAL;
 		else
 			nd->nd_repstat = (vp->v_type == VDIR) ? EISDIR :
 			    EINVAL;
 	}
 	getret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
 	if (!nd->nd_repstat)
 		nd->nd_repstat = getret;
 	if (!nd->nd_repstat &&
 	    (nva.na_uid != nd->nd_cred->cr_uid ||
 	     NFSVNO_EXSTRICTACCESS(exp))) {
 		nd->nd_repstat = nfsvno_accchk(vp, VREAD,
 		    nd->nd_cred, exp, p,
 		    NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED, NULL);
 		if (nd->nd_repstat)
 			nd->nd_repstat = nfsvno_accchk(vp, VEXEC,
 			    nd->nd_cred, exp, p, NFSACCCHK_ALLOWOWNER,
 			    NFSACCCHK_VPISLOCKED, NULL);
 	}
 	/*
 	 * DS reads are marked by ND_DSSERVER or use the proxy special
 	 * stateid.
 	 */
 	if (nd->nd_repstat == 0 && (nd->nd_flag & (ND_NFSV4 | ND_DSSERVER)) ==
 	    ND_NFSV4 && gotproxystateid == 0)
 		nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, NULL, clientid,
 		    &stateid, exp, nd, p);
 	if (nd->nd_repstat) {
 		vput(vp);
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_postopattr(nd, getret, &nva);
 		goto out;
 	}
 	if (off >= nva.na_size) {
 		cnt = 0;
 		eof = 1;
 	} else if (reqlen == 0)
 		cnt = 0;
 	else if ((off + reqlen) >= nva.na_size) {
 		cnt = nva.na_size - off;
 		eof = 1;
 	} else
 		cnt = reqlen;
 	m3 = NULL;
 	if (cnt > 0) {
 		/*
 		 * If cnt > MCLBYTES and the reply will not be saved, use
 		 * ext_pgs mbufs for TLS.
 		 * For NFSv4.0, we do not know for sure if the reply will
 		 * be saved, so do not use ext_pgs mbufs for NFSv4.0.
 		 * Always use ext_pgs mbufs if ND_EXTPG is set.
 		 */
 		if ((nd->nd_flag & ND_EXTPG) != 0 || (cnt > MCLBYTES &&
 		    (nd->nd_flag & (ND_TLS | ND_SAVEREPLY)) == ND_TLS &&
 		    (nd->nd_flag & (ND_NFSV4 | ND_NFSV41)) != ND_NFSV4))
 			nd->nd_repstat = nfsvno_read(vp, off, cnt, nd->nd_cred,
 			    nd->nd_maxextsiz, p, &m3, &m2);
 		else
 			nd->nd_repstat = nfsvno_read(vp, off, cnt, nd->nd_cred,
 			    0, p, &m3, &m2);
 		if (!(nd->nd_flag & ND_NFSV4)) {
 			getret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
 			if (!nd->nd_repstat)
 				nd->nd_repstat = getret;
 		}
 		if (nd->nd_repstat) {
 			vput(vp);
 			if (m3)
 				m_freem(m3);
 			if (nd->nd_flag & ND_NFSV3)
 				nfsrv_postopattr(nd, getret, &nva);
 			goto out;
 		}
 	}
 	vput(vp);
 	if (nd->nd_flag & ND_NFSV2) {
 		nfsrv_fillattr(nd, &nva);
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 	} else {
 		if (nd->nd_flag & ND_NFSV3) {
 			nfsrv_postopattr(nd, getret, &nva);
 			NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(cnt);
 		} else
 			NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		if (eof)
 			*tl++ = newnfs_true;
 		else
 			*tl++ = newnfs_false;
 	}
 	*tl = txdr_unsigned(cnt);
 	if (m3) {
 		nd->nd_mb->m_next = m3;
 		nd->nd_mb = m2;
 		if ((m2->m_flags & M_EXTPG) != 0) {
 			nd->nd_flag |= ND_EXTPG;
 			nd->nd_bextpg = m2->m_epg_npgs - 1;
 			nd->nd_bpos = (char *)(void *)
 			    PHYS_TO_DMAP(m2->m_epg_pa[nd->nd_bextpg]);
 			poff = (nd->nd_bextpg == 0) ? m2->m_epg_1st_off : 0;
 			nd->nd_bpos += poff + m2->m_epg_last_len;
 			nd->nd_bextpgsiz = PAGE_SIZE - m2->m_epg_last_len -
 			    poff;
 		} else
 			nd->nd_bpos = mtod(m2, char *) + m2->m_len;
 	}
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs write service
  */
 int
 nfsrvd_write(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	struct nfsvattr nva, forat;
 	int aftat_ret = 1, retlen, len, error = 0, forat_ret = 1;
 	int gotproxystateid, stable = NFSWRITE_FILESYNC;
 	off_t off;
 	struct nfsstate st, *stp = &st;
 	struct nfslock lo, *lop = &lo;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	nfsattrbit_t attrbits;
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_wcc(nd, forat_ret, &forat, aftat_ret, &nva);
 		goto out;
 	}
 	gotproxystateid = 0;
 	if (nd->nd_flag & ND_NFSV2) {
 		NFSM_DISSECT(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 		off = (off_t)fxdr_unsigned(u_int32_t, *++tl);
 		tl += 2;
 		retlen = len = fxdr_unsigned(int32_t, *tl);
 	} else if (nd->nd_flag & ND_NFSV3) {
 		NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 		off = fxdr_hyper(tl);
 		tl += 3;
 		stable = fxdr_unsigned(int, *tl++);
 		retlen = len = fxdr_unsigned(int32_t, *tl);
 	} else {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + 4 * NFSX_UNSIGNED);
 		stp->ls_flags = (NFSLCK_CHECK | NFSLCK_WRITEACCESS);
 		lop->lo_flags = NFSLCK_WRITE;
 		stp->ls_ownerlen = 0;
 		stp->ls_op = NULL;
 		stp->ls_uid = nd->nd_cred->cr_uid;
 		stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 		clientid.lval[0] = stp->ls_stateid.other[0] = *tl++;
 		clientid.lval[1] = stp->ls_stateid.other[1] = *tl++;
 		if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 			if ((nd->nd_flag & ND_NFSV41) != 0)
 				clientid.qval = nd->nd_clientid.qval;
 			else if (nd->nd_clientid.qval != clientid.qval)
 				printf("EEK2 multiple clids\n");
 		} else {
 			if ((nd->nd_flag & ND_NFSV41) != 0)
 				printf("EEK! no clientid from session\n");
 			nd->nd_flag |= ND_IMPLIEDCLID;
 			nd->nd_clientid.qval = clientid.qval;
 		}
 		stp->ls_stateid.other[2] = *tl++;
 		/*
 		 * Don't allow the client to use a special stateid for a DS op.
 		 */
 		if ((nd->nd_flag & ND_DSSERVER) != 0 &&
 		    ((stp->ls_stateid.other[0] == 0x0 &&
 		    stp->ls_stateid.other[1] == 0x0 &&
 		    stp->ls_stateid.other[2] == 0x0) ||
 		    (stp->ls_stateid.other[0] == 0xffffffff &&
 		    stp->ls_stateid.other[1] == 0xffffffff &&
 		    stp->ls_stateid.other[2] == 0xffffffff) ||
 		    stp->ls_stateid.seqid != 0))
 			nd->nd_repstat = NFSERR_BADSTATEID;
 		/* However, allow the proxy stateid. */
 		if (stp->ls_stateid.seqid == 0xffffffff &&
 		    stp->ls_stateid.other[0] == 0x55555555 &&
 		    stp->ls_stateid.other[1] == 0x55555555 &&
 		    stp->ls_stateid.other[2] == 0x55555555)
 			gotproxystateid = 1;
 		off = fxdr_hyper(tl);
 		lop->lo_first = off;
 		tl += 2;
 		stable = fxdr_unsigned(int, *tl++);
 		retlen = len = fxdr_unsigned(int32_t, *tl);
 		lop->lo_end = off + len;
 		/*
 		 * Paranoia, just in case it wraps around, which shouldn't
 		 * ever happen anyhow.
 		 */
 		if (lop->lo_end < lop->lo_first)
 			lop->lo_end = NFS64BITSSET;
 	}
 
 	if (retlen > nfs_srvmaxio || retlen < 0)
 		nd->nd_repstat = EIO;
 	if (vp->v_type != VREG && !nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV3)
 			nd->nd_repstat = EINVAL;
 		else
 			nd->nd_repstat = (vp->v_type == VDIR) ? EISDIR :
 			    EINVAL;
 	}
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_OWNER);
 	forat_ret = nfsvno_getattr(vp, &forat, nd, p, 1, &attrbits);
 	if (!nd->nd_repstat)
 		nd->nd_repstat = forat_ret;
 	if (!nd->nd_repstat &&
 	    (forat.na_uid != nd->nd_cred->cr_uid ||
 	     NFSVNO_EXSTRICTACCESS(exp)))
 		nd->nd_repstat = nfsvno_accchk(vp, VWRITE,
 		    nd->nd_cred, exp, p,
 		    NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED, NULL);
 	/*
 	 * DS reads are marked by ND_DSSERVER or use the proxy special
 	 * stateid.
 	 */
 	if (nd->nd_repstat == 0 && (nd->nd_flag & (ND_NFSV4 | ND_DSSERVER)) ==
 	    ND_NFSV4 && gotproxystateid == 0)
 		nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, NULL, clientid,
 		    &stateid, exp, nd, p);
 	if (nd->nd_repstat) {
 		vput(vp);
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_wcc(nd, forat_ret, &forat, aftat_ret, &nva);
 		goto out;
 	}
 
 	/*
 	 * For NFS Version 2, it is not obvious what a write of zero length
 	 * should do, but I might as well be consistent with Version 3,
 	 * which is to return ok so long as there are no permission problems.
 	 */
 	if (retlen > 0) {
 		nd->nd_repstat = nfsvno_write(vp, off, retlen, &stable,
 		    nd->nd_md, nd->nd_dpos, nd->nd_cred, p);
 		error = nfsm_advance(nd, NFSM_RNDUP(retlen), -1);
 		if (error)
 			goto nfsmout;
 	}
 	if (nd->nd_flag & ND_NFSV4)
 		aftat_ret = 0;
 	else
 		aftat_ret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
 	vput(vp);
 	if (!nd->nd_repstat)
 		nd->nd_repstat = aftat_ret;
 	if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_wcc(nd, forat_ret, &forat, aftat_ret, &nva);
 		if (nd->nd_repstat)
 			goto out;
 		NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(retlen);
 		/*
 		 * If nfs_async is set, then pretend the write was FILESYNC.
 		 * Warning: Doing this violates RFC1813 and runs a risk
 		 * of data written by a client being lost when the server
 		 * crashes/reboots.
 		 */
 		if (stable == NFSWRITE_UNSTABLE && nfs_async == 0)
 			*tl++ = txdr_unsigned(stable);
 		else
 			*tl++ = txdr_unsigned(NFSWRITE_FILESYNC);
 		/*
 		 * Actually, there is no need to txdr these fields,
 		 * but it may make the values more human readable,
 		 * for debugging purposes.
 		 */
 		*tl++ = txdr_unsigned(nfsboottime.tv_sec);
 		*tl = txdr_unsigned(nfsboottime.tv_usec);
 	} else if (!nd->nd_repstat)
 		nfsrv_fillattr(nd, &nva);
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs create service (creates regular files for V2 and V3. Spec. files for V2.)
  * now does a truncate to 0 length via. setattr if it already exists
  * The core creation routine has been extracted out into nfsrv_creatsub(),
  * so it can also be used by nfsrv_open() for V4.
  */
 int
 nfsrvd_create(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t dp, struct nfsexstuff *exp)
 {
 	struct nfsvattr nva, dirfor, diraft;
 	struct nfsv2_sattr *sp;
 	struct nameidata named;
 	u_int32_t *tl;
 	int error = 0, tsize, dirfor_ret = 1, diraft_ret = 1;
 	int how = NFSCREATE_UNCHECKED, exclusive_flag = 0;
 	NFSDEV_T rdev = 0;
 	vnode_t vp = NULL, dirp = NULL;
 	fhandle_t fh;
 	char *bufp;
 	u_long *hashp;
 	__enum_uint8(vtype) vtyp;
 	int32_t cverf[2], tverf[2] = { 0, 0 };
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 		goto out;
 	}
 	NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
 	    LOCKPARENT | LOCKLEAF | NOCACHE);
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 	if (error)
 		goto nfsmout;
 	if (!nd->nd_repstat) {
 		NFSVNO_ATTRINIT(&nva);
 		if (nd->nd_flag & ND_NFSV2) {
 			NFSM_DISSECT(sp, struct nfsv2_sattr *, NFSX_V2SATTR);
 			vtyp = IFTOVT(fxdr_unsigned(u_int32_t, sp->sa_mode));
 			if (vtyp == VNON)
 				vtyp = VREG;
 			NFSVNO_SETATTRVAL(&nva, type, vtyp);
 			NFSVNO_SETATTRVAL(&nva, mode,
 			    nfstov_mode(sp->sa_mode));
 			switch (nva.na_type) {
 			case VREG:
 				tsize = fxdr_unsigned(int32_t, sp->sa_size);
 				if (tsize != -1)
 					NFSVNO_SETATTRVAL(&nva, size,
 					    (u_quad_t)tsize);
 				break;
 			case VCHR:
 			case VBLK:
 			case VFIFO:
 				rdev = fxdr_unsigned(NFSDEV_T, sp->sa_size);
 				break;
 			default:
 				break;
 			}
 		} else {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			how = fxdr_unsigned(int, *tl);
 			switch (how) {
 			case NFSCREATE_GUARDED:
 			case NFSCREATE_UNCHECKED:
 				error = nfsrv_sattr(nd, NULL, &nva, NULL, NULL, p);
 				if (error)
 					goto nfsmout;
 				break;
 			case NFSCREATE_EXCLUSIVE:
 				NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF);
 				cverf[0] = *tl++;
 				cverf[1] = *tl;
 				exclusive_flag = 1;
 				break;
 			}
 			NFSVNO_SETATTRVAL(&nva, type, VREG);
 		}
 	}
 	if (nd->nd_repstat) {
 		nfsvno_relpathbuf(&named);
 		if (nd->nd_flag & ND_NFSV3) {
 			dirfor_ret = nfsvno_getattr(dp, &dirfor, nd, p, 1,
 			    NULL);
 			nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
 			    &diraft);
 		}
 		vput(dp);
 		goto out;
 	}
 
 	nd->nd_repstat = nfsvno_namei(nd, &named, dp, 1, exp, &dirp);
 	if (dirp) {
 		if (nd->nd_flag & ND_NFSV2) {
 			vrele(dirp);
 			dirp = NULL;
 		} else {
 			dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
 			    NULL);
 		}
 	}
 	if (nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
 			    &diraft);
 		if (dirp)
 			vrele(dirp);
 		goto out;
 	}
 
 	if (!(nd->nd_flag & ND_NFSV2)) {
 		switch (how) {
 		case NFSCREATE_GUARDED:
 			if (named.ni_vp)
 				nd->nd_repstat = EEXIST;
 			break;
 		case NFSCREATE_UNCHECKED:
 			break;
 		case NFSCREATE_EXCLUSIVE:
 			if (named.ni_vp == NULL)
 				NFSVNO_SETATTRVAL(&nva, mode, 0);
 			break;
 		}
 	}
 
 	/*
 	 * Iff doesn't exist, create it
 	 * otherwise just truncate to 0 length
 	 *   should I set the mode too ?
 	 */
 	nd->nd_repstat = nfsvno_createsub(nd, &named, &vp, &nva,
 	    &exclusive_flag, cverf, rdev, exp);
 
 	if (!nd->nd_repstat) {
 		nd->nd_repstat = nfsvno_getfh(vp, &fh, p);
 		if (!nd->nd_repstat)
 			nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1,
 			    NULL);
 		vput(vp);
 		if (!nd->nd_repstat) {
 			tverf[0] = nva.na_atime.tv_sec;
 			tverf[1] = nva.na_atime.tv_nsec;
 		}
 	}
 	if (nd->nd_flag & ND_NFSV2) {
 		if (!nd->nd_repstat) {
 			(void)nfsm_fhtom(NULL, nd, (u_int8_t *)&fh, 0, 0);
 			nfsrv_fillattr(nd, &nva);
 		}
 	} else {
 		if (exclusive_flag && !nd->nd_repstat && (cverf[0] != tverf[0]
 		    || cverf[1] != tverf[1]))
 			nd->nd_repstat = EEXIST;
 		diraft_ret = nfsvno_getattr(dirp, &diraft, nd, p, 0, NULL);
 		vrele(dirp);
 		if (!nd->nd_repstat) {
 			(void)nfsm_fhtom(NULL, nd, (u_int8_t *)&fh, 0, 1);
 			nfsrv_postopattr(nd, 0, &nva);
 		}
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 	}
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(dp);
 	nfsvno_relpathbuf(&named);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs v3 mknod service (and v4 create)
  */
 int
 nfsrvd_mknod(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t dp, vnode_t *vpp, fhandle_t *fhp, struct nfsexstuff *exp)
 {
 	struct nfsvattr nva, dirfor, diraft;
 	u_int32_t *tl;
 	struct nameidata named;
 	int error = 0, dirfor_ret = 1, diraft_ret = 1, pathlen;
 	u_int32_t major, minor;
 	__enum_uint8(vtype) vtyp = VNON;
 	nfstype nfs4type = NFNON;
 	vnode_t vp, dirp = NULL;
 	nfsattrbit_t attrbits;
 	char *bufp = NULL, *pathcp = NULL;
 	u_long *hashp, cnflags;
 	NFSACL_T *aclp = NULL;
 	struct thread *p = curthread;
 
 	NFSVNO_ATTRINIT(&nva);
 	cnflags = LOCKPARENT;
 	if (nd->nd_repstat) {
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 		goto out;
 	}
 #ifdef NFS4_ACL_EXTATTR_NAME
 	aclp = acl_alloc(M_WAITOK);
 	aclp->acl_cnt = 0;
 #endif
 
 	/*
 	 * For V4, the creation stuff is here, Yuck!
 	 */
 	if (nd->nd_flag & ND_NFSV4) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		vtyp = nfsv34tov_type(*tl);
 		nfs4type = fxdr_unsigned(nfstype, *tl);
 		if ((vn_irflag_read(dp) & VIRF_NAMEDDIR) != 0) {
 			/*
 			 * Don't allow creation of non-regular file objects
 			 * in a named attribute directory.
 			 */
 			nd->nd_repstat = NFSERR_INVAL;
 			vrele(dp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 			acl_free(aclp);
 #endif
 			goto out;
 		}
 		switch (nfs4type) {
 		case NFLNK:
 			error = nfsvno_getsymlink(nd, &nva, p, &pathcp,
 			    &pathlen);
 			if (error)
 				goto nfsmout;
 			break;
 		case NFCHR:
 		case NFBLK:
 			NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			major = fxdr_unsigned(u_int32_t, *tl++);
 			minor = fxdr_unsigned(u_int32_t, *tl);
 			nva.na_rdev = NFSMAKEDEV(major, minor);
 			break;
 		case NFSOCK:
 		case NFFIFO:
 			break;
 		case NFDIR:
 			cnflags = LOCKPARENT;
 			break;
 		default:
 			nd->nd_repstat = NFSERR_BADTYPE;
 			vrele(dp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 			acl_free(aclp);
 #endif
 			goto out;
 		}
 	}
 	NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE, cnflags | NOCACHE);
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 	if (error)
 		goto nfsmout;
 	if (!nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV3) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			vtyp = nfsv34tov_type(*tl);
 		}
 		error = nfsrv_sattr(nd, NULL, &nva, &attrbits, aclp, p);
 		if (error)
 			goto nfsmout;
 		nva.na_type = vtyp;
 		if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV3) &&
 		    (vtyp == VCHR || vtyp == VBLK)) {
 			NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			major = fxdr_unsigned(u_int32_t, *tl++);
 			minor = fxdr_unsigned(u_int32_t, *tl);
 			nva.na_rdev = NFSMAKEDEV(major, minor);
 		}
 	}
 
 	dirfor_ret = nfsvno_getattr(dp, &dirfor, nd, p, 0, NULL);
 	if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV4)) {
 		if (!dirfor_ret && NFSVNO_ISSETGID(&nva) &&
 		    dirfor.na_gid == nva.na_gid)
 			NFSVNO_UNSET(&nva, gid);
 		nd->nd_repstat = nfsrv_checkuidgid(nd, &nva);
 	}
 	if (nd->nd_repstat) {
 		vrele(dp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 		acl_free(aclp);
 #endif
 		nfsvno_relpathbuf(&named);
 		if (pathcp)
 			free(pathcp, M_TEMP);
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
 			    &diraft);
 		goto out;
 	}
 
 	/*
 	 * Yuck! For V4, mkdir and link are here and some V4 clients don't fill
 	 * in va_mode, so we'll have to set a default here.
 	 */
 	if (NFSVNO_NOTSETMODE(&nva)) {
 		if (vtyp == VLNK)
 			nva.na_mode = 0755;
 		else
 			nva.na_mode = 0400;
 	}
 
 	if (vtyp == VDIR)
 		named.ni_cnd.cn_flags |= WILLBEDIR;
 	nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp, &dirp);
 	if (nd->nd_repstat) {
 		if (dirp) {
 			if (nd->nd_flag & ND_NFSV3)
 				dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd,
 				    p, 0, NULL);
 			vrele(dirp);
 		}
 #ifdef NFS4_ACL_EXTATTR_NAME
 		acl_free(aclp);
 #endif
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
 			    &diraft);
 		goto out;
 	}
 	if (dirp)
 		dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0, NULL);
 
 	if ((nd->nd_flag & ND_NFSV4) && (vtyp == VDIR || vtyp == VLNK)) {
 		if (vtyp == VDIR) {
 			nfsrvd_mkdirsub(nd, &named, &nva, fhp, vpp, dirp,
 			    &dirfor, &diraft, &diraft_ret, &attrbits, aclp, p,
 			    exp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 			acl_free(aclp);
 #endif
 			goto out;
 		} else if (vtyp == VLNK) {
 			nfsrvd_symlinksub(nd, &named, &nva, fhp, vpp, dirp,
 			    &dirfor, &diraft, &diraft_ret, &attrbits,
 			    aclp, p, exp, pathcp, pathlen);
 #ifdef NFS4_ACL_EXTATTR_NAME
 			acl_free(aclp);
 #endif
 			free(pathcp, M_TEMP);
 			goto out;
 		}
 	}
 
 	nd->nd_repstat = nfsvno_mknod(&named, &nva, nd->nd_cred, p);
 	if (!nd->nd_repstat) {
 		vp = named.ni_vp;
 		nfsrv_fixattr(nd, vp, &nva, aclp, p, &attrbits, exp);
 		nd->nd_repstat = nfsvno_getfh(vp, fhp, p);
 		if ((nd->nd_flag & ND_NFSV3) && !nd->nd_repstat)
 			nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1,
 			    NULL);
 		if (vpp != NULL && nd->nd_repstat == 0) {
 			NFSVOPUNLOCK(vp);
 			*vpp = vp;
 		} else
 			vput(vp);
 	}
 
 	diraft_ret = nfsvno_getattr(dirp, &diraft, nd, p, 0, NULL);
 	vrele(dirp);
 	if (!nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV3) {
 			(void)nfsm_fhtom(NULL, nd, (u_int8_t *)fhp, 0, 1);
 			nfsrv_postopattr(nd, 0, &nva);
 		} else {
 			NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 			*tl++ = newnfs_false;
 			txdr_hyper(dirfor.na_filerev, tl);
 			tl += 2;
 			txdr_hyper(diraft.na_filerev, tl);
 			(void) nfsrv_putattrbit(nd, &attrbits);
 		}
 	}
 	if (nd->nd_flag & ND_NFSV3)
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 #ifdef NFS4_ACL_EXTATTR_NAME
 	acl_free(aclp);
 #endif
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vrele(dp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 	acl_free(aclp);
 #endif
 	if (bufp)
 		nfsvno_relpathbuf(&named);
 	if (pathcp)
 		free(pathcp, M_TEMP);
 
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs remove service
  */
 int
 nfsrvd_remove(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t dp, struct nfsexstuff *exp)
 {
 	struct nameidata named;
 	u_int32_t *tl;
 	int error = 0, dirfor_ret = 1, diraft_ret = 1;
 	vnode_t dirp = NULL;
 	struct nfsvattr dirfor, diraft;
 	char *bufp;
 	u_long *hashp;
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 		goto out;
 	}
 	NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, DELETE,
 	    LOCKPARENT | LOCKLEAF);
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 	if (error) {
 		vput(dp);
 		nfsvno_relpathbuf(&named);
 		goto out;
 	}
 	if (!nd->nd_repstat) {
 		nd->nd_repstat = nfsvno_namei(nd, &named, dp, 1, exp, &dirp);
 	} else {
 		vput(dp);
 		nfsvno_relpathbuf(&named);
 	}
 	if (dirp) {
 		if (!(nd->nd_flag & ND_NFSV2)) {
 			dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
 			    NULL);
 		} else {
 			vrele(dirp);
 			dirp = NULL;
 		}
 	}
 	if (!nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV4) {
 			if (named.ni_vp->v_type == VDIR)
 				nd->nd_repstat = nfsvno_rmdirsub(&named, 1,
 				    nd->nd_cred, p, exp);
 			else
 				nd->nd_repstat = nfsvno_removesub(&named, true,
 				    nd, p, exp);
 		} else if (nd->nd_procnum == NFSPROC_RMDIR) {
 			nd->nd_repstat = nfsvno_rmdirsub(&named, 0,
 			    nd->nd_cred, p, exp);
 		} else {
 			nd->nd_repstat = nfsvno_removesub(&named, false, nd, p,
 			    exp);
 		}
 	}
 	if (!(nd->nd_flag & ND_NFSV2)) {
 		if (dirp) {
 			diraft_ret = nfsvno_getattr(dirp, &diraft, nd, p, 0,
 			    NULL);
 			vrele(dirp);
 		}
 		if (nd->nd_flag & ND_NFSV3) {
 			nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
 			    &diraft);
 		} else if (!nd->nd_repstat) {
 			NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 			*tl++ = newnfs_false;
 			txdr_hyper(dirfor.na_filerev, tl);
 			tl += 2;
 			txdr_hyper(diraft.na_filerev, tl);
 		}
 	}
 
 out:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs rename service
  */
 int
 nfsrvd_rename(struct nfsrv_descript *nd, int isdgram,
     vnode_t dp, vnode_t todp, struct nfsexstuff *exp, struct nfsexstuff *toexp)
 {
 	u_int32_t *tl;
 	int error = 0, fdirfor_ret = 1, fdiraft_ret = 1;
 	int tdirfor_ret = 1, tdiraft_ret = 1;
 	struct nameidata fromnd, tond;
 	vnode_t fdirp = NULL, tdirp = NULL, tdp = NULL;
 	struct nfsvattr fdirfor, fdiraft, tdirfor, tdiraft;
 	struct nfsexstuff tnes;
 	struct nfsrvfh tfh;
 	char *bufp, *tbufp = NULL;
 	u_long *hashp;
 	fhandle_t fh;
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft);
 		nfsrv_wcc(nd, tdirfor_ret, &tdirfor, tdiraft_ret, &tdiraft);
 		goto out;
 	}
 	if (!(nd->nd_flag & ND_NFSV2))
 		fdirfor_ret = nfsvno_getattr(dp, &fdirfor, nd, p, 1, NULL);
 	tond.ni_cnd.cn_nameiop = 0;
 	tond.ni_startdir = NULL;
 	NFSNAMEICNDSET(&fromnd.ni_cnd, nd->nd_cred, DELETE, WANTPARENT);
 	nfsvno_setpathbuf(&fromnd, &bufp, &hashp);
 	error = nfsrv_parsename(nd, bufp, hashp, &fromnd.ni_pathlen);
 	if (error) {
 		vput(dp);
 		if (todp)
 			vrele(todp);
 		nfsvno_relpathbuf(&fromnd);
 		goto out;
 	}
 	/*
 	 * Unlock dp in this code section, so it is unlocked before
 	 * tdp gets locked. This avoids a potential LOR if tdp is the
 	 * parent directory of dp.
 	 */
 	if (nd->nd_flag & ND_NFSV4) {
 		tdp = todp;
 		tnes = *toexp;
 		if (dp != tdp) {
 			NFSVOPUNLOCK(dp);
 			/* Might lock tdp. */
 			tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd, p, 0,
 			    NULL);
 		} else {
 			tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd, p, 1,
 			    NULL);
 			NFSVOPUNLOCK(dp);
 		}
 	} else {
 		tfh.nfsrvfh_len = 0;
 		error = nfsrv_mtofh(nd, &tfh);
 		if (error == 0)
 			error = nfsvno_getfh(dp, &fh, p);
 		if (error) {
 			vput(dp);
 			/* todp is always NULL except NFSv4 */
 			nfsvno_relpathbuf(&fromnd);
 			goto out;
 		}
 
 		/* If this is the same file handle, just VREF() the vnode. */
 		if (!NFSBCMP(tfh.nfsrvfh_data, &fh, NFSX_MYFH)) {
-			VREF(dp);
+			vref(dp);
 			tdp = dp;
 			tnes = *exp;
 			tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd, p, 1,
 			    NULL);
 			NFSVOPUNLOCK(dp);
 		} else {
 			NFSVOPUNLOCK(dp);
 			nd->nd_cred->cr_uid = nd->nd_saveduid;
 			nfsd_fhtovp(nd, &tfh, LK_EXCLUSIVE, &tdp, &tnes, NULL,
 			    0, -1);	/* Locks tdp. */
 			if (tdp) {
 				tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd,
 				    p, 1, NULL);
 				NFSVOPUNLOCK(tdp);
 			}
 		}
 	}
 	NFSNAMEICNDSET(&tond.ni_cnd, nd->nd_cred, RENAME, LOCKPARENT | LOCKLEAF | NOCACHE);
 	nfsvno_setpathbuf(&tond, &tbufp, &hashp);
 	if (!nd->nd_repstat) {
 		error = nfsrv_parsename(nd, tbufp, hashp, &tond.ni_pathlen);
 		if (error) {
 			if (tdp)
 				vrele(tdp);
 			vrele(dp);
 			nfsvno_relpathbuf(&fromnd);
 			nfsvno_relpathbuf(&tond);
 			goto out;
 		}
 	}
 	if (nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV3) {
 			nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret,
 			    &fdiraft);
 			nfsrv_wcc(nd, tdirfor_ret, &tdirfor, tdiraft_ret,
 			    &tdiraft);
 		}
 		if (tdp)
 			vrele(tdp);
 		vrele(dp);
 		nfsvno_relpathbuf(&fromnd);
 		nfsvno_relpathbuf(&tond);
 		goto out;
 	}
 
 	/*
 	 * Done parsing, now down to business.
 	 */
 	nd->nd_repstat = nfsvno_namei(nd, &fromnd, dp, 0, exp, &fdirp);
 	if (nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV3) {
 			nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret,
 			    &fdiraft);
 			nfsrv_wcc(nd, tdirfor_ret, &tdirfor, tdiraft_ret,
 			    &tdiraft);
 		}
 		if (fdirp)
 			vrele(fdirp);
 		if (tdp)
 			vrele(tdp);
 		nfsvno_relpathbuf(&tond);
 		goto out;
 	}
 	if (fromnd.ni_vp->v_type == VDIR)
 		tond.ni_cnd.cn_flags |= WILLBEDIR;
 	nd->nd_repstat = nfsvno_namei(nd, &tond, tdp, 0, &tnes, &tdirp);
 	nd->nd_repstat = nfsvno_rename(&fromnd, &tond, nd, p);
 	if (fdirp)
 		fdiraft_ret = nfsvno_getattr(fdirp, &fdiraft, nd, p, 0, NULL);
 	if (tdirp)
 		tdiraft_ret = nfsvno_getattr(tdirp, &tdiraft, nd, p, 0, NULL);
 	if (fdirp)
 		vrele(fdirp);
 	if (tdirp)
 		vrele(tdirp);
 	if (nd->nd_flag & ND_NFSV3) {
 		nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft);
 		nfsrv_wcc(nd, tdirfor_ret, &tdirfor, tdiraft_ret, &tdiraft);
 	} else if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat) {
 		NFSM_BUILD(tl, u_int32_t *, 10 * NFSX_UNSIGNED);
 		*tl++ = newnfs_false;
 		txdr_hyper(fdirfor.na_filerev, tl);
 		tl += 2;
 		txdr_hyper(fdiraft.na_filerev, tl);
 		tl += 2;
 		*tl++ = newnfs_false;
 		txdr_hyper(tdirfor.na_filerev, tl);
 		tl += 2;
 		txdr_hyper(tdiraft.na_filerev, tl);
 	}
 
 out:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs link service
  */
 int
 nfsrvd_link(struct nfsrv_descript *nd, int isdgram,
     vnode_t vp, vnode_t tovp, struct nfsexstuff *exp, struct nfsexstuff *toexp)
 {
 	struct nameidata named;
 	u_int32_t *tl;
 	int error = 0, dirfor_ret = 1, diraft_ret = 1, getret = 1;
 	vnode_t dirp = NULL, dp = NULL;
 	struct nfsvattr dirfor, diraft, at;
 	struct nfsexstuff tnes;
 	struct nfsrvfh dfh;
 	char *bufp;
 	u_long *hashp;
 	struct thread *p = curthread;
 	nfsquad_t clientid;
 
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, getret, &at);
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 		goto out;
 	}
 	if ((vn_irflag_read(vp) & (VIRF_NAMEDDIR | VIRF_NAMEDATTR)) != 0 ||
 	    (tovp != NULL &&
 	     (vn_irflag_read(tovp) & (VIRF_NAMEDDIR | VIRF_NAMEDATTR)) != 0)) {
 		nd->nd_repstat = NFSERR_INVAL;
 		if (tovp != NULL)
 			vrele(tovp);
 	}
 	NFSVOPUNLOCK(vp);
 	if (!nd->nd_repstat && vp->v_type == VDIR) {
 		if (nd->nd_flag & ND_NFSV4)
 			nd->nd_repstat = NFSERR_ISDIR;
 		else
 			nd->nd_repstat = NFSERR_INVAL;
 		if (tovp)
 			vrele(tovp);
 	}
 	if (!nd->nd_repstat) {
 		if (nd->nd_flag & ND_NFSV4) {
 			dp = tovp;
 			tnes = *toexp;
 		} else {
 			error = nfsrv_mtofh(nd, &dfh);
 			if (error) {
 				vrele(vp);
 				/* tovp is always NULL unless NFSv4 */
 				goto out;
 			}
 			nfsd_fhtovp(nd, &dfh, LK_EXCLUSIVE, &dp, &tnes, NULL,
 			    0, -1);
 			if (dp)
 				NFSVOPUNLOCK(dp);
 		}
 	}
 	NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE, LOCKPARENT | NOCACHE);
 	if (!nd->nd_repstat) {
 		nfsvno_setpathbuf(&named, &bufp, &hashp);
 		error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 		if (error) {
 			vrele(vp);
 			if (dp)
 				vrele(dp);
 			nfsvno_relpathbuf(&named);
 			goto out;
 		}
 		if (!nd->nd_repstat) {
 			nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, &tnes,
 			    &dirp);
 		} else {
 			if (dp)
 				vrele(dp);
 			nfsvno_relpathbuf(&named);
 		}
 	}
 	if (dirp) {
 		if (nd->nd_flag & ND_NFSV2) {
 			vrele(dirp);
 			dirp = NULL;
 		} else {
 			dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
 			    NULL);
 		}
 	}
 	if (!nd->nd_repstat) {
 		clientid.qval = 0;
 		if ((nd->nd_flag & (ND_IMPLIEDCLID | ND_NFSV41)) ==
 		    (ND_IMPLIEDCLID | ND_NFSV41))
 			clientid.qval = nd->nd_clientid.qval;
 		nd->nd_repstat = nfsvno_link(&named, vp, clientid, nd->nd_cred,
 		    p, exp);
 	}
 	if (nd->nd_flag & ND_NFSV3)
 		getret = nfsvno_getattr(vp, &at, nd, p, 0, NULL);
 	if (dirp) {
 		diraft_ret = nfsvno_getattr(dirp, &diraft, nd, p, 0, NULL);
 		vrele(dirp);
 	}
 	vrele(vp);
 	if (nd->nd_flag & ND_NFSV3) {
 		nfsrv_postopattr(nd, getret, &at);
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 	} else if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat) {
 		NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 		*tl++ = newnfs_false;
 		txdr_hyper(dirfor.na_filerev, tl);
 		tl += 2;
 		txdr_hyper(diraft.na_filerev, tl);
 	}
 
 out:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs symbolic link service
  */
 int
 nfsrvd_symlink(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t dp, vnode_t *vpp, fhandle_t *fhp, struct nfsexstuff *exp)
 {
 	struct nfsvattr nva, dirfor, diraft;
 	struct nameidata named;
 	int error = 0, dirfor_ret = 1, diraft_ret = 1, pathlen;
 	vnode_t dirp = NULL;
 	char *bufp, *pathcp = NULL;
 	u_long *hashp;
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 		goto out;
 	}
 	if (vpp)
 		*vpp = NULL;
 	NFSVNO_ATTRINIT(&nva);
 	NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
 	    LOCKPARENT | NOCACHE);
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 	if (!error && !nd->nd_repstat)
 		error = nfsvno_getsymlink(nd, &nva, p, &pathcp, &pathlen);
 	if (error) {
 		vrele(dp);
 		nfsvno_relpathbuf(&named);
 		goto out;
 	}
 	if (!nd->nd_repstat) {
 		nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp, &dirp);
 	} else {
 		vrele(dp);
 		nfsvno_relpathbuf(&named);
 	}
 	if (dirp != NULL && !(nd->nd_flag & ND_NFSV3)) {
 		vrele(dirp);
 		dirp = NULL;
 	}
 
 	/*
 	 * And call nfsrvd_symlinksub() to do the common code. It will
 	 * return EBADRPC upon a parsing error, 0 otherwise.
 	 */
 	if (!nd->nd_repstat) {
 		if (dirp != NULL)
 			dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
 			    NULL);
 		nfsrvd_symlinksub(nd, &named, &nva, fhp, vpp, dirp,
 		    &dirfor, &diraft, &diraft_ret, NULL, NULL, p, exp,
 		    pathcp, pathlen);
 	} else if (dirp != NULL) {
 		dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0, NULL);
 		vrele(dirp);
 	}
 	if (pathcp)
 		free(pathcp, M_TEMP);
 
 	if (nd->nd_flag & ND_NFSV3) {
 		if (!nd->nd_repstat) {
 			(void)nfsm_fhtom(NULL, nd, (u_int8_t *)fhp, 0, 1);
 			nfsrv_postopattr(nd, 0, &nva);
 		}
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 	}
 
 out:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * Common code for creating a symbolic link.
  */
 static void
 nfsrvd_symlinksub(struct nfsrv_descript *nd, struct nameidata *ndp,
     struct nfsvattr *nvap, fhandle_t *fhp, vnode_t *vpp,
     vnode_t dirp, struct nfsvattr *dirforp, struct nfsvattr *diraftp,
     int *diraft_retp, nfsattrbit_t *attrbitp,
     NFSACL_T *aclp, NFSPROC_T *p, struct nfsexstuff *exp, char *pathcp,
     int pathlen)
 {
 	u_int32_t *tl;
 
 	nd->nd_repstat = nfsvno_symlink(ndp, nvap, pathcp, pathlen,
 	    !(nd->nd_flag & ND_NFSV2), nd->nd_saveduid, nd->nd_cred, p, exp);
 	if (!nd->nd_repstat && !(nd->nd_flag & ND_NFSV2)) {
 		nfsrv_fixattr(nd, ndp->ni_vp, nvap, aclp, p, attrbitp, exp);
 		if (nd->nd_flag & ND_NFSV3) {
 			nd->nd_repstat = nfsvno_getfh(ndp->ni_vp, fhp, p);
 			if (!nd->nd_repstat)
 				nd->nd_repstat = nfsvno_getattr(ndp->ni_vp,
 				    nvap, nd, p, 1, NULL);
 		}
 		if (vpp != NULL && nd->nd_repstat == 0) {
 			NFSVOPUNLOCK(ndp->ni_vp);
 			*vpp = ndp->ni_vp;
 		} else
 			vput(ndp->ni_vp);
 	}
 	if (dirp) {
 		*diraft_retp = nfsvno_getattr(dirp, diraftp, nd, p, 0, NULL);
 		vrele(dirp);
 	}
 	if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat) {
 		NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 		*tl++ = newnfs_false;
 		txdr_hyper(dirforp->na_filerev, tl);
 		tl += 2;
 		txdr_hyper(diraftp->na_filerev, tl);
 		(void) nfsrv_putattrbit(nd, attrbitp);
 	}
 
 	NFSEXITCODE2(0, nd);
 }
 
 /*
  * nfs mkdir service
  */
 int
 nfsrvd_mkdir(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t dp, vnode_t *vpp, fhandle_t *fhp, struct nfsexstuff *exp)
 {
 	struct nfsvattr nva, dirfor, diraft;
 	struct nameidata named;
 	u_int32_t *tl;
 	int error = 0, dirfor_ret = 1, diraft_ret = 1;
 	vnode_t dirp = NULL;
 	char *bufp;
 	u_long *hashp;
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 		goto out;
 	}
 	NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE, LOCKPARENT | NOCACHE);
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 	if (error)
 		goto nfsmout;
 	if (!nd->nd_repstat) {
 		NFSVNO_ATTRINIT(&nva);
 		if (nd->nd_flag & ND_NFSV3) {
 			error = nfsrv_sattr(nd, NULL, &nva, NULL, NULL, p);
 			if (error)
 				goto nfsmout;
 		} else {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			nva.na_mode = nfstov_mode(*tl++);
 		}
 	}
 	if (!nd->nd_repstat) {
 		nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp, &dirp);
 	} else {
 		vrele(dp);
 		nfsvno_relpathbuf(&named);
 	}
 	if (dirp != NULL && !(nd->nd_flag & ND_NFSV3)) {
 		vrele(dirp);
 		dirp = NULL;
 	}
 	if (nd->nd_repstat) {
 		if (dirp != NULL) {
 			dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
 			    NULL);
 			vrele(dirp);
 		}
 		if (nd->nd_flag & ND_NFSV3)
 			nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
 			    &diraft);
 		goto out;
 	}
 	if (dirp != NULL)
 		dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0, NULL);
 
 	/*
 	 * Call nfsrvd_mkdirsub() for the code common to V4 as well.
 	 */
 	nfsrvd_mkdirsub(nd, &named, &nva, fhp, vpp, dirp, &dirfor, &diraft,
 	    &diraft_ret, NULL, NULL, p, exp);
 
 	if (nd->nd_flag & ND_NFSV3) {
 		if (!nd->nd_repstat) {
 			(void)nfsm_fhtom(NULL, nd, (u_int8_t *)fhp, 0, 1);
 			nfsrv_postopattr(nd, 0, &nva);
 		}
 		nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
 	} else if (!nd->nd_repstat) {
 		(void)nfsm_fhtom(NULL, nd, (u_int8_t *)fhp, 0, 0);
 		nfsrv_fillattr(nd, &nva);
 	}
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vrele(dp);
 	nfsvno_relpathbuf(&named);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * Code common to mkdir for V2,3 and 4.
  */
 static void
 nfsrvd_mkdirsub(struct nfsrv_descript *nd, struct nameidata *ndp,
     struct nfsvattr *nvap, fhandle_t *fhp, vnode_t *vpp,
     vnode_t dirp, struct nfsvattr *dirforp, struct nfsvattr *diraftp,
     int *diraft_retp, nfsattrbit_t *attrbitp, NFSACL_T *aclp,
     NFSPROC_T *p, struct nfsexstuff *exp)
 {
 	vnode_t vp;
 	u_int32_t *tl;
 
 	NFSVNO_SETATTRVAL(nvap, type, VDIR);
 	nd->nd_repstat = nfsvno_mkdir(ndp, nvap, nd->nd_saveduid,
 	    nd->nd_cred, p, exp);
 	if (!nd->nd_repstat) {
 		vp = ndp->ni_vp;
 		nfsrv_fixattr(nd, vp, nvap, aclp, p, attrbitp, exp);
 		nd->nd_repstat = nfsvno_getfh(vp, fhp, p);
 		if (!(nd->nd_flag & ND_NFSV4) && !nd->nd_repstat)
 			nd->nd_repstat = nfsvno_getattr(vp, nvap, nd, p, 1,
 			    NULL);
 		if (vpp && !nd->nd_repstat) {
 			NFSVOPUNLOCK(vp);
 			*vpp = vp;
 		} else {
 			vput(vp);
 		}
 	}
 	if (dirp) {
 		*diraft_retp = nfsvno_getattr(dirp, diraftp, nd, p, 0, NULL);
 		vrele(dirp);
 	}
 	if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat) {
 		NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
 		*tl++ = newnfs_false;
 		txdr_hyper(dirforp->na_filerev, tl);
 		tl += 2;
 		txdr_hyper(diraftp->na_filerev, tl);
 		(void) nfsrv_putattrbit(nd, attrbitp);
 	}
 
 	NFSEXITCODE2(0, nd);
 }
 
 /*
  * nfs commit service
  */
 int
 nfsrvd_commit(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	struct nfsvattr bfor, aft;
 	u_int32_t *tl;
 	int error = 0, for_ret = 1, aft_ret = 1, cnt;
 	u_int64_t off;
 	struct thread *p = curthread;
 
        if (nd->nd_repstat) {
 		nfsrv_wcc(nd, for_ret, &bfor, aft_ret, &aft);
 		goto out;
 	}
 
 	/* Return NFSERR_ISDIR in NFSv4 when commit on a directory. */
 	if (vp->v_type != VREG) {
 		if (nd->nd_flag & ND_NFSV3)
 			error = NFSERR_NOTSUPP;
 		else
 			error = (vp->v_type == VDIR) ? NFSERR_ISDIR : NFSERR_INVAL;
 		goto nfsmout;
 	}
 	NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 
 	/*
 	 * XXX At this time VOP_FSYNC() does not accept offset and byte
 	 * count parameters, so these arguments are useless (someday maybe).
 	 */
 	off = fxdr_hyper(tl);
 	tl += 2;
 	cnt = fxdr_unsigned(int, *tl);
 	if (nd->nd_flag & ND_NFSV3)
 		for_ret = nfsvno_getattr(vp, &bfor, nd, p, 1, NULL);
 	nd->nd_repstat = nfsvno_fsync(vp, off, cnt, nd->nd_cred, p);
 	if (nd->nd_flag & ND_NFSV3) {
 		aft_ret = nfsvno_getattr(vp, &aft, nd, p, 1, NULL);
 		nfsrv_wcc(nd, for_ret, &bfor, aft_ret, &aft);
 	}
 	vput(vp);
 	if (!nd->nd_repstat) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_VERF);
 		*tl++ = txdr_unsigned(nfsboottime.tv_sec);
 		*tl = txdr_unsigned(nfsboottime.tv_usec);
 	}
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs statfs service
  */
 int
 nfsrvd_statfs(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	struct statfs *sf;
 	u_int32_t *tl;
 	int getret = 1;
 	struct nfsvattr at;
 	u_quad_t tval;
 	struct thread *p = curthread;
 
 	sf = NULL;
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 	sf = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	nd->nd_repstat = nfsvno_statfs(vp, sf);
 	getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
 	vput(vp);
 	if (nd->nd_flag & ND_NFSV3)
 		nfsrv_postopattr(nd, getret, &at);
 	if (nd->nd_repstat)
 		goto out;
 	if (nd->nd_flag & ND_NFSV2) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_V2STATFS);
 		*tl++ = txdr_unsigned(NFS_V2MAXDATA);
 		*tl++ = txdr_unsigned(sf->f_bsize);
 		*tl++ = txdr_unsigned(sf->f_blocks);
 		*tl++ = txdr_unsigned(sf->f_bfree);
 		*tl = txdr_unsigned(sf->f_bavail);
 	} else {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_V3STATFS);
 		tval = (u_quad_t)sf->f_blocks;
 		tval *= (u_quad_t)sf->f_bsize;
 		txdr_hyper(tval, tl); tl += 2;
 		tval = (u_quad_t)sf->f_bfree;
 		tval *= (u_quad_t)sf->f_bsize;
 		txdr_hyper(tval, tl); tl += 2;
 		tval = (u_quad_t)sf->f_bavail;
 		tval *= (u_quad_t)sf->f_bsize;
 		txdr_hyper(tval, tl); tl += 2;
 		tval = (u_quad_t)sf->f_files;
 		txdr_hyper(tval, tl); tl += 2;
 		tval = (u_quad_t)sf->f_ffree;
 		txdr_hyper(tval, tl); tl += 2;
 		tval = (u_quad_t)sf->f_ffree;
 		txdr_hyper(tval, tl); tl += 2;
 		*tl = 0;
 	}
 
 out:
 	free(sf, M_STATFS);
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
 
 /*
  * nfs fsinfo service
  */
 int
 nfsrvd_fsinfo(struct nfsrv_descript *nd, int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	struct nfsfsinfo fs;
 	int getret = 1;
 	struct nfsvattr at;
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 	getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
 	nfsvno_getfs(&fs, isdgram);
 	vput(vp);
 	nfsrv_postopattr(nd, getret, &at);
 	NFSM_BUILD(tl, u_int32_t *, NFSX_V3FSINFO);
 	*tl++ = txdr_unsigned(fs.fs_rtmax);
 	*tl++ = txdr_unsigned(fs.fs_rtpref);
 	*tl++ = txdr_unsigned(fs.fs_rtmult);
 	*tl++ = txdr_unsigned(fs.fs_wtmax);
 	*tl++ = txdr_unsigned(fs.fs_wtpref);
 	*tl++ = txdr_unsigned(fs.fs_wtmult);
 	*tl++ = txdr_unsigned(fs.fs_dtpref);
 	txdr_hyper(fs.fs_maxfilesize, tl);
 	tl += 2;
 	txdr_nfsv3time(&fs.fs_timedelta, tl);
 	tl += 2;
 	*tl = txdr_unsigned(fs.fs_properties);
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
 
 /*
  * nfs pathconf service
  */
 int
 nfsrvd_pathconf(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	struct nfsv3_pathconf *pc;
 	int getret = 1;
 	long linkmax, namemax, chownres, notrunc;
 	struct nfsvattr at;
 	struct thread *p = curthread;
 
 	if (nd->nd_repstat) {
 		nfsrv_postopattr(nd, getret, &at);
 		goto out;
 	}
 	nd->nd_repstat = nfsvno_pathconf(vp, _PC_LINK_MAX, &linkmax,
 	    nd->nd_cred, p);
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsvno_pathconf(vp, _PC_NAME_MAX, &namemax,
 		    nd->nd_cred, p);
 	if (!nd->nd_repstat)
 		nd->nd_repstat=nfsvno_pathconf(vp, _PC_CHOWN_RESTRICTED,
 		    &chownres, nd->nd_cred, p);
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsvno_pathconf(vp, _PC_NO_TRUNC, &notrunc,
 		    nd->nd_cred, p);
 	getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
 	vput(vp);
 	nfsrv_postopattr(nd, getret, &at);
 	if (!nd->nd_repstat) {
 		NFSM_BUILD(pc, struct nfsv3_pathconf *, NFSX_V3PATHCONF);
 		pc->pc_linkmax = txdr_unsigned(linkmax);
 		pc->pc_namemax = txdr_unsigned(namemax);
 		pc->pc_notrunc = txdr_unsigned(notrunc);
 		pc->pc_chownrestricted = txdr_unsigned(chownres);
 
 		/*
 		 * These should probably be supported by VOP_PATHCONF(), but
 		 * until msdosfs is exportable (why would you want to?), the
 		 * Unix defaults should be ok.
 		 */
 		pc->pc_caseinsensitive = newnfs_false;
 		pc->pc_casepreserving = newnfs_true;
 	}
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
 
 /*
  * nfsv4 lock service
  */
 int
 nfsrvd_lock(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int i;
 	struct nfsstate *stp = NULL;
 	struct nfslock *lop;
 	struct nfslockconflict cf;
 	int error = 0;
 	u_short flags = NFSLCK_LOCK, lflags;
 	u_int64_t offset, len;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	struct thread *p = curthread;
 
 	NFSM_DISSECT(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
 	i = fxdr_unsigned(int, *tl++);
 	switch (i) {
 	case NFSV4LOCKT_READW:
 		flags |= NFSLCK_BLOCKING;
 	case NFSV4LOCKT_READ:
 		lflags = NFSLCK_READ;
 		break;
 	case NFSV4LOCKT_WRITEW:
 		flags |= NFSLCK_BLOCKING;
 	case NFSV4LOCKT_WRITE:
 		lflags = NFSLCK_WRITE;
 		break;
 	default:
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	if (*tl++ == newnfs_true)
 		flags |= NFSLCK_RECLAIM;
 	offset = fxdr_hyper(tl);
 	tl += 2;
 	len = fxdr_hyper(tl);
 	tl += 2;
 	if (*tl == newnfs_true)
 		flags |= NFSLCK_OPENTOLOCK;
 	if (flags & NFSLCK_OPENTOLOCK) {
 		NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED + NFSX_STATEID);
 		i = fxdr_unsigned(int, *(tl+4+(NFSX_STATEID / NFSX_UNSIGNED)));
 		if (i <= 0 || i > NFSV4_OPAQUELIMIT) {
 			nd->nd_repstat = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 		stp = malloc(sizeof (struct nfsstate) + i,
 			M_NFSDSTATE, M_WAITOK);
 		stp->ls_ownerlen = i;
 		stp->ls_op = nd->nd_rp;
 		stp->ls_seq = fxdr_unsigned(int, *tl++);
 		stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 		NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
 			NFSX_STATEIDOTHER);
 		tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 
 		/*
 		 * For the special stateid of other all 0s and seqid == 1, set
 		 * the stateid to the current stateid, if it is set.
 		 */
 		if ((nd->nd_flag & ND_NFSV41) != 0 &&
 		    stp->ls_stateid.seqid == 1 &&
 		    stp->ls_stateid.other[0] == 0 &&
 		    stp->ls_stateid.other[1] == 0 &&
 		    stp->ls_stateid.other[2] == 0) {
 			if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 				stp->ls_stateid = nd->nd_curstateid;
 				stp->ls_stateid.seqid = 0;
 			} else {
 				nd->nd_repstat = NFSERR_BADSTATEID;
 				goto nfsmout;
 			}
 		}
 
 		stp->ls_opentolockseq = fxdr_unsigned(int, *tl++);
 		clientid.lval[0] = *tl++;
 		clientid.lval[1] = *tl++;
 		if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 			if ((nd->nd_flag & ND_NFSV41) != 0)
 				clientid.qval = nd->nd_clientid.qval;
 			else if (nd->nd_clientid.qval != clientid.qval)
 				printf("EEK3 multiple clids\n");
 		} else {
 			if ((nd->nd_flag & ND_NFSV41) != 0)
 				printf("EEK! no clientid from session\n");
 			nd->nd_flag |= ND_IMPLIEDCLID;
 			nd->nd_clientid.qval = clientid.qval;
 		}
 		error = nfsrv_mtostr(nd, stp->ls_owner, stp->ls_ownerlen);
 		if (error)
 			goto nfsmout;
 	} else {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + NFSX_UNSIGNED);
 		stp = malloc(sizeof (struct nfsstate),
 			M_NFSDSTATE, M_WAITOK);
 		stp->ls_ownerlen = 0;
 		stp->ls_op = nd->nd_rp;
 		stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 		NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
 			NFSX_STATEIDOTHER);
 		tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 
 		/*
 		 * For the special stateid of other all 0s and seqid == 1, set
 		 * the stateid to the current stateid, if it is set.
 		 */
 		if ((nd->nd_flag & ND_NFSV41) != 0 &&
 		    stp->ls_stateid.seqid == 1 &&
 		    stp->ls_stateid.other[0] == 0 &&
 		    stp->ls_stateid.other[1] == 0 &&
 		    stp->ls_stateid.other[2] == 0) {
 			if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 				stp->ls_stateid = nd->nd_curstateid;
 				stp->ls_stateid.seqid = 0;
 			} else {
 				nd->nd_repstat = NFSERR_BADSTATEID;
 				goto nfsmout;
 			}
 		}
 
 		stp->ls_seq = fxdr_unsigned(int, *tl);
 		clientid.lval[0] = stp->ls_stateid.other[0];
 		clientid.lval[1] = stp->ls_stateid.other[1];
 		if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 			if ((nd->nd_flag & ND_NFSV41) != 0)
 				clientid.qval = nd->nd_clientid.qval;
 			else if (nd->nd_clientid.qval != clientid.qval)
 				printf("EEK4 multiple clids\n");
 		} else {
 			if ((nd->nd_flag & ND_NFSV41) != 0)
 				printf("EEK! no clientid from session\n");
 			nd->nd_flag |= ND_IMPLIEDCLID;
 			nd->nd_clientid.qval = clientid.qval;
 		}
 	}
 	lop = malloc(sizeof (struct nfslock),
 		M_NFSDLOCK, M_WAITOK);
 	lop->lo_first = offset;
 	if (len == NFS64BITSSET) {
 		lop->lo_end = NFS64BITSSET;
 	} else {
 		lop->lo_end = offset + len;
 		if (lop->lo_end <= lop->lo_first)
 			nd->nd_repstat = NFSERR_INVAL;
 	}
 	lop->lo_flags = lflags;
 	stp->ls_flags = flags;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 
 	/*
 	 * Do basic access checking.
 	 */
 	if (!nd->nd_repstat && vp->v_type != VREG) {
 	    if (vp->v_type == VDIR)
 		nd->nd_repstat = NFSERR_ISDIR;
 	    else
 		nd->nd_repstat = NFSERR_INVAL;
 	}
 	if (!nd->nd_repstat) {
 	    if (lflags & NFSLCK_WRITE) {
 		nd->nd_repstat = nfsvno_accchk(vp, VWRITE,
 		    nd->nd_cred, exp, p, NFSACCCHK_ALLOWOWNER,
 		    NFSACCCHK_VPISLOCKED, NULL);
 	    } else {
 		nd->nd_repstat = nfsvno_accchk(vp, VREAD,
 		    nd->nd_cred, exp, p, NFSACCCHK_ALLOWOWNER,
 		    NFSACCCHK_VPISLOCKED, NULL);
 		if (nd->nd_repstat)
 		    nd->nd_repstat = nfsvno_accchk(vp, VEXEC,
 			nd->nd_cred, exp, p, NFSACCCHK_ALLOWOWNER,
 			NFSACCCHK_VPISLOCKED, NULL);
 	    }
 	}
 
 	/*
 	 * We call nfsrv_lockctrl() even if nd_repstat set, so that the
 	 * seqid# gets updated. nfsrv_lockctrl() will return the value
 	 * of nd_repstat, if it gets that far.
 	 */
 	nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, &cf, clientid, 
 		&stateid, exp, nd, p);
 	if (lop)
 		free(lop, M_NFSDLOCK);
 	if (stp)
 		free(stp, M_NFSDSTATE);
 	if (!nd->nd_repstat) {
 		/* For NFSv4.1, set the Current StateID. */
 		if ((nd->nd_flag & ND_NFSV41) != 0) {
 			nd->nd_curstateid = stateid;
 			nd->nd_flag |= ND_CURSTATEID;
 		}
 		NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
 		*tl++ = txdr_unsigned(stateid.seqid);
 		NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
 	} else if (nd->nd_repstat == NFSERR_DENIED) {
 		NFSM_BUILD(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
 		txdr_hyper(cf.cl_first, tl);
 		tl += 2;
 		if (cf.cl_end == NFS64BITSSET)
 			len = NFS64BITSSET;
 		else
 			len = cf.cl_end - cf.cl_first;
 		txdr_hyper(len, tl);
 		tl += 2;
 		if (cf.cl_flags == NFSLCK_WRITE)
 			*tl++ = txdr_unsigned(NFSV4LOCKT_WRITE);
 		else
 			*tl++ = txdr_unsigned(NFSV4LOCKT_READ);
 		*tl++ = stateid.other[0];
 		*tl = stateid.other[1];
 		(void) nfsm_strtom(nd, cf.cl_owner, cf.cl_ownerlen);
 	}
 	vput(vp);
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	if (stp)
 		free(stp, M_NFSDSTATE);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 lock test service
  */
 int
 nfsrvd_lockt(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int i;
 	struct nfsstate *stp = NULL;
 	struct nfslock lo, *lop = &lo;
 	struct nfslockconflict cf;
 	int error = 0;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	u_int64_t len;
 	struct thread *p = curthread;
 
 	NFSM_DISSECT(tl, u_int32_t *, 8 * NFSX_UNSIGNED);
 	i = fxdr_unsigned(int, *(tl + 7));
 	if (i <= 0 || i > NFSV4_OPAQUELIMIT) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	stp = malloc(sizeof (struct nfsstate) + i,
 	    M_NFSDSTATE, M_WAITOK);
 	stp->ls_ownerlen = i;
 	stp->ls_op = NULL;
 	stp->ls_flags = NFSLCK_TEST;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 	i = fxdr_unsigned(int, *tl++);
 	switch (i) {
 	case NFSV4LOCKT_READW:
 		stp->ls_flags |= NFSLCK_BLOCKING;
 	case NFSV4LOCKT_READ:
 		lo.lo_flags = NFSLCK_READ;
 		break;
 	case NFSV4LOCKT_WRITEW:
 		stp->ls_flags |= NFSLCK_BLOCKING;
 	case NFSV4LOCKT_WRITE:
 		lo.lo_flags = NFSLCK_WRITE;
 		break;
 	default:
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	lo.lo_first = fxdr_hyper(tl);
 	tl += 2;
 	len = fxdr_hyper(tl);
 	if (len == NFS64BITSSET) {
 		lo.lo_end = NFS64BITSSET;
 	} else {
 		lo.lo_end = lo.lo_first + len;
 		if (lo.lo_end <= lo.lo_first)
 			nd->nd_repstat = NFSERR_INVAL;
 	}
 	tl += 2;
 	clientid.lval[0] = *tl++;
 	clientid.lval[1] = *tl;
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK5 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	error = nfsrv_mtostr(nd, stp->ls_owner, stp->ls_ownerlen);
 	if (error)
 		goto nfsmout;
 	if (!nd->nd_repstat && vp->v_type != VREG) {
 	    if (vp->v_type == VDIR)
 		nd->nd_repstat = NFSERR_ISDIR;
 	    else
 		nd->nd_repstat = NFSERR_INVAL;
 	}
 	if (!nd->nd_repstat)
 	  nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, &cf, clientid,
 	    &stateid, exp, nd, p);
 	if (nd->nd_repstat) {
 	    if (nd->nd_repstat == NFSERR_DENIED) {
 		NFSM_BUILD(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
 		txdr_hyper(cf.cl_first, tl);
 		tl += 2;
 		if (cf.cl_end == NFS64BITSSET)
 			len = NFS64BITSSET;
 		else
 			len = cf.cl_end - cf.cl_first;
 		txdr_hyper(len, tl);
 		tl += 2;
 		if (cf.cl_flags == NFSLCK_WRITE)
 			*tl++ = txdr_unsigned(NFSV4LOCKT_WRITE);
 		else
 			*tl++ = txdr_unsigned(NFSV4LOCKT_READ);
 		*tl++ = stp->ls_stateid.other[0];
 		*tl = stp->ls_stateid.other[1];
 		(void) nfsm_strtom(nd, cf.cl_owner, cf.cl_ownerlen);
 	    }
 	}
 	vput(vp);
 	if (stp)
 		free(stp, M_NFSDSTATE);
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	if (stp)
 		free(stp, M_NFSDSTATE);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 unlock service
  */
 int
 nfsrvd_locku(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int i;
 	struct nfsstate *stp;
 	struct nfslock *lop;
 	int error = 0;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	u_int64_t len;
 	struct thread *p = curthread;
 
 	NFSM_DISSECT(tl, u_int32_t *, 6 * NFSX_UNSIGNED + NFSX_STATEID);
 	stp = malloc(sizeof (struct nfsstate),
 	    M_NFSDSTATE, M_WAITOK);
 	lop = malloc(sizeof (struct nfslock),
 	    M_NFSDLOCK, M_WAITOK);
 	stp->ls_flags = NFSLCK_UNLOCK;
 	lop->lo_flags = NFSLCK_UNLOCK;
 	stp->ls_op = nd->nd_rp;
 	i = fxdr_unsigned(int, *tl++);
 	switch (i) {
 	case NFSV4LOCKT_READW:
 		stp->ls_flags |= NFSLCK_BLOCKING;
 	case NFSV4LOCKT_READ:
 		break;
 	case NFSV4LOCKT_WRITEW:
 		stp->ls_flags |= NFSLCK_BLOCKING;
 	case NFSV4LOCKT_WRITE:
 		break;
 	default:
 		nd->nd_repstat = NFSERR_BADXDR;
 		free(stp, M_NFSDSTATE);
 		free(lop, M_NFSDLOCK);
 		goto nfsmout;
 	}
 	stp->ls_ownerlen = 0;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 	stp->ls_seq = fxdr_unsigned(int, *tl++);
 	stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 	NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
 	    NFSX_STATEIDOTHER);
 	tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 
 	/*
 	 * For the special stateid of other all 0s and seqid == 1, set the
 	 * stateid to the current stateid, if it is set.
 	 */
 	if ((nd->nd_flag & ND_NFSV41) != 0 && stp->ls_stateid.seqid == 1 &&
 	    stp->ls_stateid.other[0] == 0 && stp->ls_stateid.other[1] == 0 &&
 	    stp->ls_stateid.other[2] == 0) {
 		if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 			stp->ls_stateid = nd->nd_curstateid;
 			stp->ls_stateid.seqid = 0;
 		} else {
 			nd->nd_repstat = NFSERR_BADSTATEID;
 			free(stp, M_NFSDSTATE);
 			free(lop, M_NFSDLOCK);
 			goto nfsmout;
 		}
 	}
 
 	lop->lo_first = fxdr_hyper(tl);
 	tl += 2;
 	len = fxdr_hyper(tl);
 	if (len == NFS64BITSSET) {
 		lop->lo_end = NFS64BITSSET;
 	} else {
 		lop->lo_end = lop->lo_first + len;
 		if (lop->lo_end <= lop->lo_first)
 			nd->nd_repstat = NFSERR_INVAL;
 	}
 	clientid.lval[0] = stp->ls_stateid.other[0];
 	clientid.lval[1] = stp->ls_stateid.other[1];
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK6 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	if (!nd->nd_repstat && vp->v_type != VREG) {
 	    if (vp->v_type == VDIR)
 		nd->nd_repstat = NFSERR_ISDIR;
 	    else
 		nd->nd_repstat = NFSERR_INVAL;
 	}
 	/*
 	 * Call nfsrv_lockctrl() even if nd_repstat is set, so that the
 	 * seqid# gets incremented. nfsrv_lockctrl() will return the
 	 * value of nd_repstat, if it gets that far.
 	 */
 	nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, NULL, clientid,
 	    &stateid, exp, nd, p);
 	if (stp)
 		free(stp, M_NFSDSTATE);
 	if (lop)
 		free(lop, M_NFSDLOCK);
 	if (!nd->nd_repstat) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
 		*tl++ = txdr_unsigned(stateid.seqid);
 		NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
 	}
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 open service
  */
 int
 nfsrvd_open(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t dp, vnode_t *vpp, __unused fhandle_t *fhp, struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int i, retext;
 	struct nfsstate *stp = NULL;
 	int error = 0, create, claim, exclusive_flag = 0, override;
 	u_int32_t rflags = NFSV4OPEN_LOCKTYPEPOSIX, acemask;
 	int how = NFSCREATE_UNCHECKED;
 	int32_t cverf[2], tverf[2] = { 0, 0 };
 	vnode_t vp = NULL, dirp = NULL;
 	struct nfsvattr nva, dirfor, diraft, nva2;
 	struct nameidata named;
 	nfsv4stateid_t stateid, delegstateid;
 	nfsattrbit_t attrbits;
 	nfsquad_t clientid;
 	char *bufp = NULL;
 	u_long *hashp;
 	NFSACL_T *aclp = NULL;
 	struct thread *p = curthread;
 	bool done_namei;
 	__enum_uint8_decl(wdelegace) { USENONE, USEMODE, USENFSV4ACL }
 	    delegace;
 
 #ifdef NFS4_ACL_EXTATTR_NAME
 	aclp = acl_alloc(M_WAITOK);
 	aclp->acl_cnt = 0;
 #endif
 	NFSZERO_ATTRBIT(&attrbits);
 	done_namei = false;
 	delegace = USEMODE;
 	named.ni_cnd.cn_nameiop = 0;
 	NFSM_DISSECT(tl, u_int32_t *, 6 * NFSX_UNSIGNED);
 	i = fxdr_unsigned(int, *(tl + 5));
 	if (i <= 0 || i > NFSV4_OPAQUELIMIT) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	stp = malloc(sizeof (struct nfsstate) + i,
 	    M_NFSDSTATE, M_WAITOK);
 	stp->ls_ownerlen = i;
 	stp->ls_op = nd->nd_rp;
 	stp->ls_flags = NFSLCK_OPEN;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 	stp->ls_seq = fxdr_unsigned(u_int32_t, *tl++);
 	i = fxdr_unsigned(int, *tl++);
 	retext = 0;
 	if ((i & (NFSV4OPEN_WANTDELEGMASK | NFSV4OPEN_WANTSIGNALDELEG |
 	    NFSV4OPEN_WANTPUSHDELEG)) != 0 && (nd->nd_flag & ND_NFSV41) != 0) {
 		retext = 1;
 		/* For now, ignore these. */
 		i &= ~(NFSV4OPEN_WANTPUSHDELEG | NFSV4OPEN_WANTSIGNALDELEG);
 		switch (i & NFSV4OPEN_WANTDELEGMASK) {
 		case NFSV4OPEN_WANTANYDELEG:
 			stp->ls_flags |= (NFSLCK_WANTRDELEG |
 			    NFSLCK_WANTWDELEG);
 			i &= ~NFSV4OPEN_WANTDELEGMASK;
 			break;
 		case NFSV4OPEN_WANTREADDELEG:
 			stp->ls_flags |= NFSLCK_WANTRDELEG;
 			i &= ~NFSV4OPEN_WANTDELEGMASK;
 			break;
 		case NFSV4OPEN_WANTWRITEDELEG:
 			stp->ls_flags |= NFSLCK_WANTWDELEG;
 			i &= ~NFSV4OPEN_WANTDELEGMASK;
 			break;
 		case NFSV4OPEN_WANTNODELEG:
 			stp->ls_flags |= NFSLCK_WANTNODELEG;
 			i &= ~NFSV4OPEN_WANTDELEGMASK;
 			break;
 		case NFSV4OPEN_WANTCANCEL:
 			printf("NFSv4: ignore Open WantCancel\n");
 			i &= ~NFSV4OPEN_WANTDELEGMASK;
 			break;
 		default:
 			/* nd_repstat will be set to NFSERR_INVAL below. */
 			break;
 		}
 	}
 	switch (i) {
 	case NFSV4OPEN_ACCESSREAD:
 		stp->ls_flags |= NFSLCK_READACCESS;
 		break;
 	case NFSV4OPEN_ACCESSWRITE:
 		stp->ls_flags |= NFSLCK_WRITEACCESS;
 		break;
 	case NFSV4OPEN_ACCESSBOTH:
 		stp->ls_flags |= (NFSLCK_READACCESS | NFSLCK_WRITEACCESS);
 		break;
 	default:
 		nd->nd_repstat = NFSERR_INVAL;
 	}
 	i = fxdr_unsigned(int, *tl++);
 	switch (i) {
 	case NFSV4OPEN_DENYNONE:
 		break;
 	case NFSV4OPEN_DENYREAD:
 		stp->ls_flags |= NFSLCK_READDENY;
 		break;
 	case NFSV4OPEN_DENYWRITE:
 		stp->ls_flags |= NFSLCK_WRITEDENY;
 		break;
 	case NFSV4OPEN_DENYBOTH:
 		stp->ls_flags |= (NFSLCK_READDENY | NFSLCK_WRITEDENY);
 		break;
 	default:
 		nd->nd_repstat = NFSERR_INVAL;
 	}
 	clientid.lval[0] = *tl++;
 	clientid.lval[1] = *tl;
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK7 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	error = nfsrv_mtostr(nd, stp->ls_owner, stp->ls_ownerlen);
 	if (error)
 		goto nfsmout;
 	NFSVNO_ATTRINIT(&nva);
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 	create = fxdr_unsigned(int, *tl);
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsvno_getattr(dp, &dirfor, nd, p, 0, NULL);
 	if (create == NFSV4OPEN_CREATE) {
 		nva.na_type = VREG;
 		nva.na_mode = 0;
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 		how = fxdr_unsigned(int, *tl);
 		switch (how) {
 		case NFSCREATE_UNCHECKED:
 		case NFSCREATE_GUARDED:
 			error = nfsv4_sattr(nd, NULL, &nva, &attrbits, aclp, p);
 			if (error)
 				goto nfsmout;
 			/*
 			 * If the na_gid being set is the same as that of
 			 * the directory it is going in, clear it, since
 			 * that is what will be set by default. This allows
 			 * a user that isn't in that group to do the create.
 			 */
 			if (!nd->nd_repstat && NFSVNO_ISSETGID(&nva) &&
 			    nva.na_gid == dirfor.na_gid)
 				NFSVNO_UNSET(&nva, gid);
 			if (!nd->nd_repstat)
 				nd->nd_repstat = nfsrv_checkuidgid(nd, &nva);
 			break;
 		case NFSCREATE_EXCLUSIVE:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF);
 			cverf[0] = *tl++;
 			cverf[1] = *tl;
 			if ((vn_irflag_read(dp) & VIRF_NAMEDDIR) != 0)
 				nd->nd_repstat = NFSERR_INVAL;
 			break;
 		case NFSCREATE_EXCLUSIVE41:
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF);
 			cverf[0] = *tl++;
 			cverf[1] = *tl;
 			error = nfsv4_sattr(nd, NULL, &nva, &attrbits, aclp, p);
 			if (error != 0)
 				goto nfsmout;
 			if ((vn_irflag_read(dp) & VIRF_NAMEDDIR) != 0 ||
 			    NFSISSET_ATTRBIT(&attrbits,
 			    NFSATTRBIT_TIMEACCESSSET))
 				nd->nd_repstat = NFSERR_INVAL;
 			/*
 			 * If the na_gid being set is the same as that of
 			 * the directory it is going in, clear it, since
 			 * that is what will be set by default. This allows
 			 * a user that isn't in that group to do the create.
 			 */
 			if (nd->nd_repstat == 0 && NFSVNO_ISSETGID(&nva) &&
 			    nva.na_gid == dirfor.na_gid)
 				NFSVNO_UNSET(&nva, gid);
 			if (nd->nd_repstat == 0)
 				nd->nd_repstat = nfsrv_checkuidgid(nd, &nva);
 			break;
 		default:
 			nd->nd_repstat = NFSERR_BADXDR;
 			goto nfsmout;
 		}
 	} else if (create != NFSV4OPEN_NOCREATE) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 
 	/*
 	 * Now, handle the claim, which usually includes looking up a
 	 * name in the directory referenced by dp. The exception is
 	 * NFSV4OPEN_CLAIMPREVIOUS.
 	 */
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 	claim = fxdr_unsigned(int, *tl);
 	if (claim == NFSV4OPEN_CLAIMDELEGATECUR || claim ==
 	    NFSV4OPEN_CLAIMDELEGATECURFH) {
 		NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
 		stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 		NFSBCOPY((caddr_t)tl,(caddr_t)stateid.other,NFSX_STATEIDOTHER);
 		stp->ls_flags |= NFSLCK_DELEGCUR;
 	} else if (claim == NFSV4OPEN_CLAIMDELEGATEPREV || claim ==
 	    NFSV4OPEN_CLAIMDELEGATEPREVFH) {
 		stp->ls_flags |= NFSLCK_DELEGPREV;
 	}
 	if (claim == NFSV4OPEN_CLAIMNULL || claim == NFSV4OPEN_CLAIMDELEGATECUR
 	    || claim == NFSV4OPEN_CLAIMDELEGATEPREV) {
 		if (!nd->nd_repstat && create == NFSV4OPEN_CREATE &&
 		    claim != NFSV4OPEN_CLAIMNULL)
 			nd->nd_repstat = NFSERR_INVAL;
 		if (nd->nd_repstat) {
 			nd->nd_repstat = nfsrv_opencheck(clientid,
 			    &stateid, stp, NULL, nd, p, nd->nd_repstat);
 			goto nfsmout;
 		}
 		if (create == NFSV4OPEN_CREATE)
 		    NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
 			LOCKPARENT | LOCKLEAF | NOCACHE);
 		else
 		    NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
 			LOCKLEAF);
 		nfsvno_setpathbuf(&named, &bufp, &hashp);
 		error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 		if (error) {
 			vrele(dp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 			acl_free(aclp);
 #endif
 			free(stp, M_NFSDSTATE);
 			nfsvno_relpathbuf(&named);
 			NFSEXITCODE2(error, nd);
 			return (error);
 		}
 		if (!nd->nd_repstat) {
 			nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp,
 			    &dirp);
 		} else {
 			vrele(dp);
 			nfsvno_relpathbuf(&named);
 		}
 		if (create == NFSV4OPEN_CREATE) {
 		    switch (how) {
 		    case NFSCREATE_UNCHECKED:
 			if (nd->nd_repstat == 0 && named.ni_vp != NULL) {
 				/*
 				 * Clear the setable attribute bits, except
 				 * for Size, if it is being truncated.
 				 */
 				NFSZERO_ATTRBIT(&attrbits);
 				if (NFSVNO_ISSETSIZE(&nva))
 					NFSSETBIT_ATTRBIT(&attrbits,
 					    NFSATTRBIT_SIZE);
 			}
 			break;
 		    case NFSCREATE_GUARDED:
 			if (nd->nd_repstat == 0 && named.ni_vp != NULL) {
 				nd->nd_repstat = EEXIST;
 				done_namei = true;
 			}
 			break;
 		    case NFSCREATE_EXCLUSIVE:
 			if (nd->nd_repstat == 0 && named.ni_vp == NULL)
 				nva.na_mode = 0;
 			/* FALLTHROUGH */
 		    case NFSCREATE_EXCLUSIVE41:
 			if (nd->nd_repstat == 0 && named.ni_vp != NULL) {
 				nd->nd_repstat = nfsvno_getattr(named.ni_vp,
 				    &nva2, nd, p, 1, NULL);
 				if (nd->nd_repstat == 0) {
 					tverf[0] = nva2.na_atime.tv_sec;
 					tverf[1] = nva2.na_atime.tv_nsec;
 					if (cverf[0] != tverf[0] ||
 					     cverf[1] != tverf[1])
 						nd->nd_repstat = EEXIST;
 				}
 				if (nd->nd_repstat != 0)
 					done_namei = true;
 			}
 			exclusive_flag = 1;
 			break;
 		    }
 		}
 		nfsvno_open(nd, &named, clientid, &stateid, stp,
 		    &exclusive_flag, &nva, cverf, create, aclp, &attrbits,
 		    nd->nd_cred, done_namei, exp, &vp);
 	} else if (claim == NFSV4OPEN_CLAIMPREVIOUS || claim ==
 	    NFSV4OPEN_CLAIMFH || claim == NFSV4OPEN_CLAIMDELEGATECURFH ||
 	    claim == NFSV4OPEN_CLAIMDELEGATEPREVFH) {
 		if (claim == NFSV4OPEN_CLAIMPREVIOUS) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			i = fxdr_unsigned(int, *tl);
 			switch (i) {
 			case NFSV4OPEN_DELEGATEREAD:
 				stp->ls_flags |= NFSLCK_DELEGREAD;
 				break;
 			case NFSV4OPEN_DELEGATEWRITE:
 				stp->ls_flags |= NFSLCK_DELEGWRITE;
 			case NFSV4OPEN_DELEGATENONE:
 				break;
 			default:
 				nd->nd_repstat = NFSERR_BADXDR;
 				goto nfsmout;
 			}
 			stp->ls_flags |= NFSLCK_RECLAIM;
 		} else {
 			if (nd->nd_repstat == 0 && create == NFSV4OPEN_CREATE)
 				nd->nd_repstat = NFSERR_INVAL;
 		}
 		vp = dp;
 		NFSVOPLOCK(vp, LK_EXCLUSIVE | LK_RETRY);
 		if (!VN_IS_DOOMED(vp))
 			nd->nd_repstat = nfsrv_opencheck(clientid, &stateid,
 			    stp, vp, nd, p, nd->nd_repstat);
 		else
 			nd->nd_repstat = NFSERR_PERM;
 	} else {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 
 	/*
 	 * Do basic access checking.
 	 */
 	if (!nd->nd_repstat && vp->v_type != VREG) {
 		/*
 		 * The IETF working group decided that this is the correct
 		 * error return for all non-regular files.
 		 */
 		nd->nd_repstat = (vp->v_type == VDIR) ? NFSERR_ISDIR : NFSERR_SYMLINK;
 	}
 
 	/*
 	 * If the Open is being done for a file that already exists, apply
 	 * normal permission checking including for the file owner, if
 	 * vfs.nfsd.v4openaccess is set.
 	 * Previously, the owner was always allowed to open the file to
 	 * be consistent with the NFS tradition of always allowing the
 	 * owner of the file to write to the file regardless of permissions.
 	 * It now appears that the Linux client expects the owner
 	 * permissions to be checked for opens that are not creating the
 	 * file.  I believe the correct approach is to use the Access
 	 * operation's results to be consistent with NFSv3, but that is
 	 * not what the current Linux client appears to be doing.
 	 * Since both the Linux and OpenSolaris NFSv4 servers do this check,
 	 * I have enabled it by default.  Since Linux does not apply this
 	 * check for claim_delegate_cur, this code does the same.
 	 * If this semantic change causes a problem, it can be disabled by
 	 * setting the sysctl vfs.nfsd.v4openaccess to 0 to re-enable the
 	 * previous semantics.
 	 */
 	if (nfsrv_openaccess && create == NFSV4OPEN_NOCREATE &&
 	    (stp->ls_flags & NFSLCK_DELEGCUR) == 0)
 		override = NFSACCCHK_NOOVERRIDE;
 	else
 		override = NFSACCCHK_ALLOWOWNER;
 	if (!nd->nd_repstat && (stp->ls_flags & NFSLCK_WRITEACCESS))
 	    nd->nd_repstat = nfsvno_accchk(vp, VWRITE, nd->nd_cred,
 	        exp, p, override, NFSACCCHK_VPISLOCKED, NULL);
 	if (!nd->nd_repstat && (stp->ls_flags & NFSLCK_READACCESS)) {
 	    nd->nd_repstat = nfsvno_accchk(vp, VREAD, nd->nd_cred,
 	        exp, p, override, NFSACCCHK_VPISLOCKED, NULL);
 	    if (nd->nd_repstat)
 		nd->nd_repstat = nfsvno_accchk(vp, VEXEC,
 		    nd->nd_cred, exp, p, override,
 		    NFSACCCHK_VPISLOCKED, NULL);
 	}
 
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
 
 	if (nd->nd_repstat == 0 && aclp != NULL && nfsrv_issuedelegs != 0 &&
 	    (dp->v_mount->mnt_flag & MNT_NFS4ACLS) != 0) {
 		if (aclp->acl_cnt == 0 && create == NFSV4OPEN_NOCREATE) {
 			int retacl;
 
 			/* We do not yet have an ACL, so try and get one. */
 			retacl = VOP_GETACL(vp, ACL_TYPE_NFS4, aclp,
 			    nd->nd_cred, p);
 			if (retacl != 0 && retacl != ENOATTR &&
 			    retacl != EOPNOTSUPP && retacl != EINVAL)
 				delegace = USENONE;
 			else if (retacl == 0 && aclp->acl_cnt > 0)
 				delegace = USENFSV4ACL;
 		} else if (aclp->acl_cnt > 0 && create == NFSV4OPEN_CREATE) {
 			delegace = USENFSV4ACL;
 		}
 	}
 
 	/*
 	 * Do the open locking/delegation stuff.
 	 */
 	if (!nd->nd_repstat)
 	    nd->nd_repstat = nfsrv_openctrl(nd, vp, &stp, clientid, &stateid,
 		&delegstateid, &rflags, exp, p, nva.na_filerev);
 
 	/*
 	 * vp must be unlocked before the call to nfsvno_getattr(dirp,...)
 	 * below, to avoid a deadlock with the lookup in nfsvno_namei() above.
 	 * (ie: Leave the NFSVOPUNLOCK() about here.)
 	 */
 	if (vp)
 		NFSVOPUNLOCK(vp);
 	if (stp)
 		free(stp, M_NFSDSTATE);
 	if (!nd->nd_repstat && dirp)
 		nd->nd_repstat = nfsvno_getattr(dirp, &diraft, nd, p, 0, NULL);
 	if (!nd->nd_repstat) {
 		/* For NFSv4.1, set the Current StateID. */
 		if ((nd->nd_flag & ND_NFSV41) != 0) {
 			nd->nd_curstateid = stateid;
 			nd->nd_flag |= ND_CURSTATEID;
 		}
 		NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID + 6 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(stateid.seqid);
 		NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
 		tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 		if (claim == NFSV4OPEN_CLAIMPREVIOUS) {
 			*tl++ = newnfs_true;
 			*tl++ = 0;
 			*tl++ = 0;
 			*tl++ = 0;
 			*tl++ = 0;
 		} else {
 			*tl++ = newnfs_false;	/* Since dirp is not locked */
 			txdr_hyper(dirfor.na_filerev, tl);
 			tl += 2;
 			txdr_hyper(diraft.na_filerev, tl);
 			tl += 2;
 		}
 		*tl = txdr_unsigned(rflags & NFSV4OPEN_RFLAGS);
 		(void) nfsrv_putattrbit(nd, &attrbits);
 		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 		if (rflags & NFSV4OPEN_READDELEGATE)
 			*tl = txdr_unsigned(NFSV4OPEN_DELEGATEREAD);
 		else if (rflags & NFSV4OPEN_WRITEDELEGATE)
 			*tl = txdr_unsigned(NFSV4OPEN_DELEGATEWRITE);
 		else if (retext != 0) {
 			*tl = txdr_unsigned(NFSV4OPEN_DELEGATENONEEXT);
 			if ((rflags & NFSV4OPEN_WDNOTWANTED) != 0) {
 				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 				*tl = txdr_unsigned(NFSV4OPEN_NOTWANTED);
 			} else if ((rflags & NFSV4OPEN_WDSUPPFTYPE) != 0) {
 				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 				*tl = txdr_unsigned(NFSV4OPEN_NOTSUPPFTYPE);
 			} else if ((rflags & NFSV4OPEN_WDCONTENTION) != 0) {
 				NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 				*tl++ = txdr_unsigned(NFSV4OPEN_CONTENTION);
 				*tl = newnfs_false;
 			} else if ((rflags & NFSV4OPEN_WDRESOURCE) != 0) {
 				NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 				*tl++ = txdr_unsigned(NFSV4OPEN_RESOURCE);
 				*tl = newnfs_false;
 			} else if ((rflags &
 			    NFSV4OPEN_WDNOTSUPPDOWNGRADE) != 0) {
 				NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 				*tl = txdr_unsigned(NFSV4OPEN_NOTSUPPDOWNGRADE);
 			} else if ((rflags & NFSV4OPEN_WDNOTSUPPUPGRADE) != 0) {
 				NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 				*tl = txdr_unsigned(NFSV4OPEN_NOTSUPPUPGRADE);
 			} else {
 				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 				*tl = txdr_unsigned(NFSV4OPEN_NOTWANTED);
 			}
 		} else
 			*tl = txdr_unsigned(NFSV4OPEN_DELEGATENONE);
 		if (rflags & (NFSV4OPEN_READDELEGATE|NFSV4OPEN_WRITEDELEGATE)) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID+NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(delegstateid.seqid);
 			NFSBCOPY((caddr_t)delegstateid.other, (caddr_t)tl,
 			    NFSX_STATEIDOTHER);
 			tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 			if (rflags & NFSV4OPEN_RECALL)
 				*tl = newnfs_true;
 			else
 				*tl = newnfs_false;
 			if (rflags & NFSV4OPEN_WRITEDELEGATE) {
 				NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 				*tl++ = txdr_unsigned(NFSV4OPEN_LIMITSIZE);
 				txdr_hyper(nva.na_size, tl);
 			}
 
 			/* Set up the write delegation ACE. */
 			NFSM_BUILD(tl, uint32_t *, 3 * NFSX_UNSIGNED);
 			if (delegace == USENFSV4ACL) {
 				int j;
 
 				for (j = 0; j < aclp->acl_cnt; j++) {
 					if (aclp->acl_entry[j].ae_tag ==
 					    ACL_USER_OBJ ||
 					    aclp->acl_entry[j].ae_entry_type !=
 					    ACL_ENTRY_TYPE_ALLOW)
 						break;
 				}
 				if (j < aclp->acl_cnt &&
 				    aclp->acl_entry[j].ae_tag ==
 				    ACL_USER_OBJ &&
 				    aclp->acl_entry[j].ae_entry_type ==
 				    ACL_ENTRY_TYPE_ALLOW) {
 					/* Use this ACE. */
 					*tl++ = txdr_unsigned(
 					    NFSV4ACE_ALLOWEDTYPE);
 					*tl++ = txdr_unsigned(0x0);
 					*tl = txdr_unsigned(
 					    nfs_aceperm(
 					    aclp->acl_entry[j].ae_perm));
 					(void)nfsm_strtom(nd, "OWNER@", 6);
 				} else
 					delegace = USENONE;
 			}
 			if (delegace == USENONE) {
 				/* Don't allow anything. */
 				*tl++ = 0x0;
 				*tl++ = 0x0;
 				*tl = 0x0;
 				NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 				*tl = 0;
 			} else if (delegace == USEMODE) {
 				/* Build from mode. */
 				*tl++ = txdr_unsigned(NFSV4ACE_ALLOWEDTYPE);
 				*tl++ = txdr_unsigned(0x0);
 				acemask = NFSV4ACE_ALLFILESMASK;
 				if (nva.na_mode & S_IRUSR)
 					acemask |= NFSV4ACE_READMASK;
 				if (nva.na_mode & S_IWUSR)
 					acemask |= NFSV4ACE_WRITEMASK;
 				if (nva.na_mode & S_IXUSR)
 					acemask |= NFSV4ACE_EXECUTEMASK;
 				*tl = txdr_unsigned(acemask);
 				(void)nfsm_strtom(nd, "OWNER@", 6);
 			}
 		}
 		*vpp = vp;
 	} else if (vp) {
 		vrele(vp);
 	}
 	if (dirp)
 		vrele(dirp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 	acl_free(aclp);
 #endif
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vrele(dp);
 #ifdef NFS4_ACL_EXTATTR_NAME
 	acl_free(aclp);
 #endif
 	if (stp)
 		free(stp, M_NFSDSTATE);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 close service
  */
 int
 nfsrvd_close(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	struct nfsstate st, *stp = &st;
 	int error = 0, writeacc;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	struct nfsvattr na;
 	struct thread *p = curthread;
 
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_STATEID);
 	stp->ls_seq = fxdr_unsigned(u_int32_t, *tl++);
 	stp->ls_ownerlen = 0;
 	stp->ls_op = nd->nd_rp;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 	stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 	NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
 	    NFSX_STATEIDOTHER);
 
 	/*
 	 * For the special stateid of other all 0s and seqid == 1, set the
 	 * stateid to the current stateid, if it is set.
 	 */
 	if ((nd->nd_flag & ND_NFSV41) != 0 && stp->ls_stateid.seqid == 1 &&
 	    stp->ls_stateid.other[0] == 0 && stp->ls_stateid.other[1] == 0 &&
 	    stp->ls_stateid.other[2] == 0) {
 		if ((nd->nd_flag & ND_CURSTATEID) != 0)
 			stp->ls_stateid = nd->nd_curstateid;
 		else {
 			nd->nd_repstat = NFSERR_BADSTATEID;
 			goto nfsmout;
 		}
 	}
 
 	stp->ls_flags = NFSLCK_CLOSE;
 	clientid.lval[0] = stp->ls_stateid.other[0];
 	clientid.lval[1] = stp->ls_stateid.other[1];
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK8 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	nd->nd_repstat = nfsrv_openupdate(vp, stp, clientid, &stateid, nd, p,
 	    &writeacc);
 	/* For pNFS, update the attributes. */
 	if (writeacc != 0 || nfsrv_pnfsatime != 0)
 		nfsrv_updatemdsattr(vp, &na, p);
 	vput(vp);
 	if (!nd->nd_repstat) {
 		/*
 		 * If the stateid that has been closed is the current stateid,
 		 * unset it.
 		 */
 		if ((nd->nd_flag & ND_CURSTATEID) != 0 &&
 		    stateid.other[0] == nd->nd_curstateid.other[0] &&
 		    stateid.other[1] == nd->nd_curstateid.other[1] &&
 		    stateid.other[2] == nd->nd_curstateid.other[2])
 			nd->nd_flag &= ~ND_CURSTATEID;
 		NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
 		*tl++ = txdr_unsigned(stateid.seqid);
 		NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
 	}
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 delegpurge service
  */
 int
 nfsrvd_delegpurge(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int error = 0;
 	nfsquad_t clientid;
 	struct thread *p = curthread;
 
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 	clientid.lval[0] = *tl++;
 	clientid.lval[1] = *tl;
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK9 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	nd->nd_repstat = nfsrv_delegupdate(nd, clientid, NULL, NULL,
 	    NFSV4OP_DELEGPURGE, nd->nd_cred, p, NULL);
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 delegreturn service
  */
 int
 nfsrvd_delegreturn(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int error = 0, writeacc;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	struct nfsvattr na;
 	struct thread *p = curthread;
 
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
 	stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 	NFSBCOPY((caddr_t)tl, (caddr_t)stateid.other, NFSX_STATEIDOTHER);
 	clientid.lval[0] = stateid.other[0];
 	clientid.lval[1] = stateid.other[1];
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK10 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	nd->nd_repstat = nfsrv_delegupdate(nd, clientid, &stateid, vp,
 	    NFSV4OP_DELEGRETURN, nd->nd_cred, p, &writeacc);
 	/* For pNFS, update the attributes. */
 	if (writeacc != 0 || nfsrv_pnfsatime != 0)
 		nfsrv_updatemdsattr(vp, &na, p);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 get file handle service
  */
 int
 nfsrvd_getfh(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	fhandle_t fh;
 	struct thread *p = curthread;
 	int siz;
 	short irflag;
 
 	nd->nd_repstat = nfsvno_getfh(vp, &fh, p);
 	irflag = vn_irflag_read(vp);
 	vput(vp);
 	if (nd->nd_repstat == 0) {
 		siz = 0;
 		if ((irflag & VIRF_NAMEDDIR) != 0)
 			siz = NFSX_FHMAX + NFSX_V4NAMEDDIRFH;
 		else if ((irflag & VIRF_NAMEDATTR) != 0)
 			siz = NFSX_FHMAX + NFSX_V4NAMEDATTRFH;
 		(void)nfsm_fhtom(NULL, nd, (u_int8_t *)&fh, siz, 0);
 	}
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
 
 /*
  * nfsv4 open confirm service
  */
 int
 nfsrvd_openconfirm(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	struct nfsstate st, *stp = &st;
 	int error = 0;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	struct thread *p = curthread;
 
 	if ((nd->nd_flag & ND_NFSV41) != 0) {
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + NFSX_UNSIGNED);
 	stp->ls_ownerlen = 0;
 	stp->ls_op = nd->nd_rp;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 	stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 	NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
 	    NFSX_STATEIDOTHER);
 	tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 	stp->ls_seq = fxdr_unsigned(u_int32_t, *tl);
 	stp->ls_flags = NFSLCK_CONFIRM;
 	clientid.lval[0] = stp->ls_stateid.other[0];
 	clientid.lval[1] = stp->ls_stateid.other[1];
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK11 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	nd->nd_repstat = nfsrv_openupdate(vp, stp, clientid, &stateid, nd, p,
 	    NULL);
 	if (!nd->nd_repstat) {
 		NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
 		*tl++ = txdr_unsigned(stateid.seqid);
 		NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
 	}
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 open downgrade service
  */
 int
 nfsrvd_opendowngrade(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int i;
 	struct nfsstate st, *stp = &st;
 	int error = 0;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	struct thread *p = curthread;
 
 	/* opendowngrade can only work on a file object.*/
 	if (vp->v_type != VREG) {
 		error = NFSERR_INVAL;
 		goto nfsmout;
 	}
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + 3 * NFSX_UNSIGNED);
 	stp->ls_ownerlen = 0;
 	stp->ls_op = nd->nd_rp;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 	stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 	NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
 	    NFSX_STATEIDOTHER);
 	tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 
 	/*
 	 * For the special stateid of other all 0s and seqid == 1, set the
 	 * stateid to the current stateid, if it is set.
 	 */
 	if ((nd->nd_flag & ND_NFSV41) != 0 && stp->ls_stateid.seqid == 1 &&
 	    stp->ls_stateid.other[0] == 0 && stp->ls_stateid.other[1] == 0 &&
 	    stp->ls_stateid.other[2] == 0) {
 		if ((nd->nd_flag & ND_CURSTATEID) != 0)
 			stp->ls_stateid = nd->nd_curstateid;
 		else {
 			nd->nd_repstat = NFSERR_BADSTATEID;
 			goto nfsmout;
 		}
 	}
 
 	stp->ls_seq = fxdr_unsigned(u_int32_t, *tl++);
 	i = fxdr_unsigned(int, *tl++);
 	if ((nd->nd_flag & ND_NFSV41) != 0)
 		i &= ~NFSV4OPEN_WANTDELEGMASK;
 	switch (i) {
 	case NFSV4OPEN_ACCESSREAD:
 		stp->ls_flags = (NFSLCK_READACCESS | NFSLCK_DOWNGRADE);
 		break;
 	case NFSV4OPEN_ACCESSWRITE:
 		stp->ls_flags = (NFSLCK_WRITEACCESS | NFSLCK_DOWNGRADE);
 		break;
 	case NFSV4OPEN_ACCESSBOTH:
 		stp->ls_flags = (NFSLCK_READACCESS | NFSLCK_WRITEACCESS |
 		    NFSLCK_DOWNGRADE);
 		break;
 	default:
 		nd->nd_repstat = NFSERR_INVAL;
 	}
 	i = fxdr_unsigned(int, *tl);
 	switch (i) {
 	case NFSV4OPEN_DENYNONE:
 		break;
 	case NFSV4OPEN_DENYREAD:
 		stp->ls_flags |= NFSLCK_READDENY;
 		break;
 	case NFSV4OPEN_DENYWRITE:
 		stp->ls_flags |= NFSLCK_WRITEDENY;
 		break;
 	case NFSV4OPEN_DENYBOTH:
 		stp->ls_flags |= (NFSLCK_READDENY | NFSLCK_WRITEDENY);
 		break;
 	default:
 		nd->nd_repstat = NFSERR_INVAL;
 	}
 
 	clientid.lval[0] = stp->ls_stateid.other[0];
 	clientid.lval[1] = stp->ls_stateid.other[1];
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK12 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsrv_openupdate(vp, stp, clientid, &stateid,
 		    nd, p, NULL);
 	if (!nd->nd_repstat) {
 		/* For NFSv4.1, set the Current StateID. */
 		if ((nd->nd_flag & ND_NFSV41) != 0) {
 			nd->nd_curstateid = stateid;
 			nd->nd_flag |= ND_CURSTATEID;
 		}
 		NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
 		*tl++ = txdr_unsigned(stateid.seqid);
 		NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
 	}
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 renew lease service
  */
 int
 nfsrvd_renew(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int error = 0;
 	nfsquad_t clientid;
 	struct thread *p = curthread;
 
 	if ((nd->nd_flag & ND_NFSV41) != 0) {
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_HYPER);
 	clientid.lval[0] = *tl++;
 	clientid.lval[1] = *tl;
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK13 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	nd->nd_repstat = nfsrv_getclient(clientid, (CLOPS_RENEWOP|CLOPS_RENEW),
 	    NULL, NULL, (nfsquad_t)((u_quad_t)0), 0, nd, p);
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 security info service
  */
 int
 nfsrvd_secinfo(struct nfsrv_descript *nd, int isdgram,
     vnode_t dp, struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int len;
 	struct nameidata named;
 	vnode_t dirp = NULL, vp;
 	struct nfsrvfh fh;
 	struct nfsexstuff retnes;
 	u_int32_t *sizp;
 	int error = 0, i;
 	uint64_t savflag;
 	char *bufp;
 	u_long *hashp;
 	struct thread *p = curthread;
 
 	/*
 	 * All this just to get the export flags for the name.
 	 */
 	NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
 	    LOCKLEAF);
 	nfsvno_setpathbuf(&named, &bufp, &hashp);
 	error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 	if (error) {
 		vput(dp);
 		nfsvno_relpathbuf(&named);
 		goto out;
 	}
 	if (!nd->nd_repstat) {
 		nd->nd_repstat = nfsvno_namei(nd, &named, dp, 1, exp, &dirp);
 	} else {
 		vput(dp);
 		nfsvno_relpathbuf(&named);
 	}
 	if (dirp)
 		vrele(dirp);
 	if (nd->nd_repstat)
 		goto out;
 	nfsvno_relpathbuf(&named);
 	fh.nfsrvfh_len = NFSX_MYFH;
 	vp = named.ni_vp;
 	nd->nd_repstat = nfsvno_getfh(vp, (fhandle_t *)fh.nfsrvfh_data, p);
 	vput(vp);
 	savflag = nd->nd_flag;
 	if (!nd->nd_repstat) {
 		/*
 		 * Pretend the next op is Secinfo, so that no wrongsec
 		 * test will be done.
 		 */
 		nfsd_fhtovp(nd, &fh, LK_SHARED, &vp, &retnes, NULL, 0,
 		    NFSV4OP_SECINFO);
 		if (vp)
 			vput(vp);
 	}
 	nd->nd_flag = savflag;
 	if (nd->nd_repstat)
 		goto out;
 
 	/*
 	 * Finally have the export flags for name, so we can create
 	 * the security info.
 	 */
 	len = 0;
 	NFSM_BUILD(sizp, u_int32_t *, NFSX_UNSIGNED);
 
 	/* If nes_numsecflavor == 0, all are allowed. */
 	if (retnes.nes_numsecflavor == 0) {
 		NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(RPCAUTH_UNIX);
 		*tl = txdr_unsigned(RPCAUTH_GSS);
 		nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 		    nfsgss_mechlist[KERBV_MECH].len);
 		NFSM_BUILD(tl, uint32_t *, 3 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 		*tl++ = txdr_unsigned(RPCAUTHGSS_SVCNONE);
 		*tl = txdr_unsigned(RPCAUTH_GSS);
 		nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 		    nfsgss_mechlist[KERBV_MECH].len);
 		NFSM_BUILD(tl, uint32_t *, 3 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 		*tl++ = txdr_unsigned(RPCAUTHGSS_SVCINTEGRITY);
 		*tl = txdr_unsigned(RPCAUTH_GSS);
 		nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 		    nfsgss_mechlist[KERBV_MECH].len);
 		NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 		*tl = txdr_unsigned(RPCAUTHGSS_SVCPRIVACY);
 		len = 4;
 	}
 	for (i = 0; i < retnes.nes_numsecflavor; i++) {
 		if (retnes.nes_secflavors[i] == AUTH_SYS) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(RPCAUTH_UNIX);
 			len++;
 		} else if (retnes.nes_secflavors[i] == RPCSEC_GSS_KRB5) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(RPCAUTH_GSS);
 			(void) nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 			    nfsgss_mechlist[KERBV_MECH].len);
 			NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 			*tl = txdr_unsigned(RPCAUTHGSS_SVCNONE);
 			len++;
 		} else if (retnes.nes_secflavors[i] == RPCSEC_GSS_KRB5I) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(RPCAUTH_GSS);
 			(void) nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 			    nfsgss_mechlist[KERBV_MECH].len);
 			NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 			*tl = txdr_unsigned(RPCAUTHGSS_SVCINTEGRITY);
 			len++;
 		} else if (retnes.nes_secflavors[i] == RPCSEC_GSS_KRB5P) {
 			NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(RPCAUTH_GSS);
 			(void) nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 			    nfsgss_mechlist[KERBV_MECH].len);
 			NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 			*tl = txdr_unsigned(RPCAUTHGSS_SVCPRIVACY);
 			len++;
 		}
 	}
 	*sizp = txdr_unsigned(len);
 
 out:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 security info no name service
  */
 int
 nfsrvd_secinfononame(struct nfsrv_descript *nd, int isdgram,
     vnode_t dp, struct nfsexstuff *exp)
 {
 	uint32_t *tl, *sizp;
 	struct nameidata named;
 	vnode_t dirp = NULL, vp;
 	struct nfsrvfh fh;
 	struct nfsexstuff retnes;
 	int error = 0, fhstyle, i, len;
 	uint64_t savflag;
 	char *bufp;
 	u_long *hashp;
 	struct thread *p = curthread;
 
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	fhstyle = fxdr_unsigned(int, *tl);
 	switch (fhstyle) {
 	case NFSSECINFONONAME_PARENT:
 		if (dp->v_type != VDIR) {
 			vput(dp);
 			nd->nd_repstat = NFSERR_NOTDIR;
 			goto nfsmout;
 		}
 		NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
 		    LOCKLEAF);
 		nfsvno_setpathbuf(&named, &bufp, &hashp);
 		error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
 		if (error != 0) {
 			vput(dp);
 			nfsvno_relpathbuf(&named);
 			goto nfsmout;
 		}
 		if (nd->nd_repstat == 0)
 			nd->nd_repstat = nfsvno_namei(nd, &named, dp, 1, exp, &dirp);
 		else
 			vput(dp);
 		if (dirp != NULL)
 			vrele(dirp);
 		nfsvno_relpathbuf(&named);
 		vp = named.ni_vp;
 		break;
 	case NFSSECINFONONAME_CURFH:
 		vp = dp;
 		break;
 	default:
 		nd->nd_repstat = NFSERR_INVAL;
 		vput(dp);
 	}
 	if (nd->nd_repstat != 0)
 		goto nfsmout;
 	fh.nfsrvfh_len = NFSX_MYFH;
 	nd->nd_repstat = nfsvno_getfh(vp, (fhandle_t *)fh.nfsrvfh_data, p);
 	vput(vp);
 	savflag = nd->nd_flag;
 	if (nd->nd_repstat == 0) {
 		/*
 		 * Pretend the next op is Secinfo, so that no wrongsec
 		 * test will be done.
 		 */
 		nfsd_fhtovp(nd, &fh, LK_SHARED, &vp, &retnes, NULL, 0,
 		    NFSV4OP_SECINFO);
 		if (vp != NULL)
 			vput(vp);
 	}
 	nd->nd_flag = savflag;
 	if (nd->nd_repstat != 0)
 		goto nfsmout;
 
 	/*
 	 * Finally have the export flags for fh/parent, so we can create
 	 * the security info.
 	 */
 	len = 0;
 	NFSM_BUILD(sizp, uint32_t *, NFSX_UNSIGNED);
 
 	/* If nes_numsecflavor == 0, all are allowed. */
 	if (retnes.nes_numsecflavor == 0) {
 		NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(RPCAUTH_UNIX);
 		*tl = txdr_unsigned(RPCAUTH_GSS);
 		nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 		    nfsgss_mechlist[KERBV_MECH].len);
 		NFSM_BUILD(tl, uint32_t *, 3 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 		*tl++ = txdr_unsigned(RPCAUTHGSS_SVCNONE);
 		*tl = txdr_unsigned(RPCAUTH_GSS);
 		nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 		    nfsgss_mechlist[KERBV_MECH].len);
 		NFSM_BUILD(tl, uint32_t *, 3 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 		*tl++ = txdr_unsigned(RPCAUTHGSS_SVCINTEGRITY);
 		*tl = txdr_unsigned(RPCAUTH_GSS);
 		nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 		    nfsgss_mechlist[KERBV_MECH].len);
 		NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 		*tl = txdr_unsigned(RPCAUTHGSS_SVCPRIVACY);
 		len = 4;
 	}
 	for (i = 0; i < retnes.nes_numsecflavor; i++) {
 		if (retnes.nes_secflavors[i] == AUTH_SYS) {
 			NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(RPCAUTH_UNIX);
 			len++;
 		} else if (retnes.nes_secflavors[i] == RPCSEC_GSS_KRB5) {
 			NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(RPCAUTH_GSS);
 			nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 			    nfsgss_mechlist[KERBV_MECH].len);
 			NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 			*tl = txdr_unsigned(RPCAUTHGSS_SVCNONE);
 			len++;
 		} else if (retnes.nes_secflavors[i] == RPCSEC_GSS_KRB5I) {
 			NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(RPCAUTH_GSS);
 			nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 			    nfsgss_mechlist[KERBV_MECH].len);
 			NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 			*tl = txdr_unsigned(RPCAUTHGSS_SVCINTEGRITY);
 			len++;
 		} else if (retnes.nes_secflavors[i] == RPCSEC_GSS_KRB5P) {
 			NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 			*tl = txdr_unsigned(RPCAUTH_GSS);
 			nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
 			    nfsgss_mechlist[KERBV_MECH].len);
 			NFSM_BUILD(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 			*tl++ = txdr_unsigned(GSS_KERBV_QOP);
 			*tl = txdr_unsigned(RPCAUTHGSS_SVCPRIVACY);
 			len++;
 		}
 	}
 	*sizp = txdr_unsigned(len);
 
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 set client id service
  */
 int
 nfsrvd_setclientid(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int i;
 	int error = 0, idlen;
 	struct nfsclient *clp = NULL;
 #ifdef INET
 	struct sockaddr_in *rin;
 #endif
 #ifdef INET6
 	struct sockaddr_in6 *rin6;
 #endif
 #if defined(INET) || defined(INET6)
 	u_char *ucp, *ucp2;
 #endif
 	u_char *verf, *addrbuf;
 	nfsquad_t clientid, confirm;
 	struct thread *p = curthread;
 
 	if ((nd->nd_flag & ND_NFSV41) != 0) {
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto out;
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF + NFSX_UNSIGNED);
 	verf = (u_char *)tl;
 	tl += (NFSX_VERF / NFSX_UNSIGNED);
 	i = fxdr_unsigned(int, *tl);
 	if (i > NFSV4_OPAQUELIMIT || i <= 0) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	idlen = i;
 	if (nd->nd_flag & ND_GSS)
 		i += nd->nd_princlen;
 	clp = malloc(sizeof(struct nfsclient) + i, M_NFSDCLIENT, M_WAITOK |
 	    M_ZERO);
 	clp->lc_stateid = malloc(sizeof(struct nfsstatehead) *
 	    nfsrv_statehashsize, M_NFSDCLIENT, M_WAITOK);
 	NFSINITSOCKMUTEX(&clp->lc_req.nr_mtx);
 	/* Allocated large enough for an AF_INET or AF_INET6 socket. */
 	clp->lc_req.nr_nam = malloc(sizeof(struct sockaddr_in6), M_SONAME,
 	    M_WAITOK | M_ZERO);
 	clp->lc_req.nr_cred = NULL;
 	NFSBCOPY(verf, clp->lc_verf, NFSX_VERF);
 	clp->lc_idlen = idlen;
 	error = nfsrv_mtostr(nd, clp->lc_id, idlen);
 	if (error)
 		goto nfsmout;
 	if (nd->nd_flag & ND_GSS) {
 		clp->lc_flags = LCL_GSS;
 		if (nd->nd_flag & ND_GSSINTEGRITY)
 			clp->lc_flags |= LCL_GSSINTEGRITY;
 		else if (nd->nd_flag & ND_GSSPRIVACY)
 			clp->lc_flags |= LCL_GSSPRIVACY;
 	} else {
 		clp->lc_flags = 0;
 	}
 	if ((nd->nd_flag & ND_GSS) && nd->nd_princlen > 0) {
 		clp->lc_flags |= LCL_NAME;
 		clp->lc_namelen = nd->nd_princlen;
 		clp->lc_name = &clp->lc_id[idlen];
 		NFSBCOPY(nd->nd_principal, clp->lc_name, clp->lc_namelen);
 	} else {
 		clp->lc_uid = nd->nd_cred->cr_uid;
 		clp->lc_gid = nd->nd_cred->cr_gid;
 	}
 
 	/* If the client is using TLS, do so for the callback connection. */
 	if (nd->nd_flag & ND_TLS)
 		clp->lc_flags |= LCL_TLSCB;
 
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 	clp->lc_program = fxdr_unsigned(u_int32_t, *tl);
 	error = nfsrv_getclientipaddr(nd, clp);
 	if (error)
 		goto nfsmout;
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 	clp->lc_callback = fxdr_unsigned(u_int32_t, *tl);
 
 	/*
 	 * nfsrv_setclient() does the actual work of adding it to the
 	 * client list. If there is no error, the structure has been
 	 * linked into the client list and clp should no longer be used
 	 * here. When an error is returned, it has not been linked in,
 	 * so it should be free'd.
 	 */
 	nd->nd_repstat = nfsrv_setclient(nd, &clp, &clientid, &confirm, p);
 	if (nd->nd_repstat == NFSERR_CLIDINUSE) {
 		/*
 		 * 8 is the maximum length of the port# string.
 		 */
 		addrbuf = malloc(INET6_ADDRSTRLEN + 8, M_TEMP, M_WAITOK);
 		switch (clp->lc_req.nr_nam->sa_family) {
 #ifdef INET
 		case AF_INET:
 			if (clp->lc_flags & LCL_TCPCALLBACK)
 				(void) nfsm_strtom(nd, "tcp", 3);
 			else 
 				(void) nfsm_strtom(nd, "udp", 3);
 			rin = (struct sockaddr_in *)clp->lc_req.nr_nam;
 			ucp = (u_char *)&rin->sin_addr.s_addr;
 			ucp2 = (u_char *)&rin->sin_port;
 			sprintf(addrbuf, "%d.%d.%d.%d.%d.%d", ucp[0] & 0xff,
 			    ucp[1] & 0xff, ucp[2] & 0xff, ucp[3] & 0xff,
 			    ucp2[0] & 0xff, ucp2[1] & 0xff);
 			break;
 #endif
 #ifdef INET6
 		case AF_INET6:
 			if (clp->lc_flags & LCL_TCPCALLBACK)
 				(void) nfsm_strtom(nd, "tcp6", 4);
 			else 
 				(void) nfsm_strtom(nd, "udp6", 4);
 			rin6 = (struct sockaddr_in6 *)clp->lc_req.nr_nam;
 			ucp = inet_ntop(AF_INET6, &rin6->sin6_addr, addrbuf,
 			    INET6_ADDRSTRLEN);
 			if (ucp != NULL)
 				i = strlen(ucp);
 			else
 				i = 0;
 			ucp2 = (u_char *)&rin6->sin6_port;
 			sprintf(&addrbuf[i], ".%d.%d", ucp2[0] & 0xff,
 			    ucp2[1] & 0xff);
 			break;
 #endif
 		}
 		(void) nfsm_strtom(nd, addrbuf, strlen(addrbuf));
 		free(addrbuf, M_TEMP);
 	}
 	if (clp) {
 		free(clp->lc_req.nr_nam, M_SONAME);
 		NFSFREEMUTEX(&clp->lc_req.nr_mtx);
 		free(clp->lc_stateid, M_NFSDCLIENT);
 		free(clp, M_NFSDCLIENT);
 	}
 	if (!nd->nd_repstat) {
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_HYPER);
 		*tl++ = clientid.lval[0];
 		*tl++ = clientid.lval[1];
 		*tl++ = confirm.lval[0];
 		*tl = confirm.lval[1];
 	}
 
 out:
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	if (clp) {
 		free(clp->lc_req.nr_nam, M_SONAME);
 		NFSFREEMUTEX(&clp->lc_req.nr_mtx);
 		free(clp->lc_stateid, M_NFSDCLIENT);
 		free(clp, M_NFSDCLIENT);
 	}
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 set client id confirm service
  */
 int
 nfsrvd_setclientidcfrm(struct nfsrv_descript *nd,
     __unused int isdgram, __unused vnode_t vp,
     __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	int error = 0;
 	nfsquad_t clientid, confirm;
 	struct thread *p = curthread;
 
 	if ((nd->nd_flag & ND_NFSV41) != 0) {
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_HYPER);
 	clientid.lval[0] = *tl++;
 	clientid.lval[1] = *tl++;
 	confirm.lval[0] = *tl++;
 	confirm.lval[1] = *tl;
 
 	/*
 	 * nfsrv_getclient() searches the client list for a match and
 	 * returns the appropriate NFSERR status.
 	 */
 	nd->nd_repstat = nfsrv_getclient(clientid, (CLOPS_CONFIRM|CLOPS_RENEW),
 	    NULL, NULL, confirm, 0, nd, p);
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 verify service
  */
 int
 nfsrvd_verify(struct nfsrv_descript *nd, int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	int error = 0, ret, fhsize = NFSX_MYFH;
 	struct nfsvattr nva;
 	struct statfs *sf;
 	struct nfsfsinfo fs;
 	fhandle_t fh;
 	struct thread *p = curthread;
 
 	sf = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsvno_statfs(vp, sf);
 	if (!nd->nd_repstat)
 		nd->nd_repstat = nfsvno_getfh(vp, &fh, p);
 	if (!nd->nd_repstat) {
 		nfsvno_getfs(&fs, isdgram);
 		error = nfsv4_loadattr(nd, vp, &nva, NULL, &fh, fhsize, NULL,
 		    sf, NULL, &fs, NULL, 1, &ret, NULL, NULL, NULL, NULL, p,
 		    nd->nd_cred);
 		if (!error) {
 			if (nd->nd_procnum == NFSV4OP_NVERIFY) {
 				if (ret == 0)
 					nd->nd_repstat = NFSERR_SAME;
 				else if (ret != NFSERR_NOTSAME)
 					nd->nd_repstat = ret;
 			} else if (ret)
 				nd->nd_repstat = ret;
 		}
 	}
 	vput(vp);
 	free(sf, M_STATFS);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs openattr rpc
  */
 int
 nfsrvd_openattr(struct nfsrv_descript *nd, __unused int isdgram,
     struct vnode *dp, struct vnode **vpp, __unused fhandle_t *fhp,
     __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	struct componentname cn;
 	int error = 0;
 
 	NFSNAMEICNDSET(&cn, nd->nd_cred, LOOKUP, OPENNAMED | ISLASTCN |
 	    NOFOLLOW | LOCKLEAF);
 	cn.cn_nameptr = ".";
 	cn.cn_namelen = 1;
 	cn.cn_lkflags = LK_SHARED;
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	if (*tl == newnfs_true)
 		cn.cn_flags |= CREATENAMED;
 
 	nd->nd_repstat = vn_lock(dp, LK_SHARED);
 	if (nd->nd_repstat != 0)
 		goto nfsmout;
 
 	if ((dp->v_mount->mnt_flag & MNT_NAMEDATTR) == 0)
 		nd->nd_repstat = NFSERR_NOTSUPP;
 	if (nd->nd_repstat == 0 && (vn_irflag_read(dp) & (VIRF_NAMEDDIR |
 	    VIRF_NAMEDATTR)) != 0)
 		nd->nd_repstat = NFSERR_WRONGTYPE;
 	if (nd->nd_repstat == 0) {
 		nd->nd_repstat = VOP_LOOKUP(dp, vpp, &cn);
 		if (nd->nd_repstat == ENOATTR)
 			nd->nd_repstat = NFSERR_NOENT;
 	}
 	if (nd->nd_repstat == 0)
 		NFSVOPUNLOCK(*vpp);
 
 	vput(dp);
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vrele(dp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 release lock owner service
  */
 int
 nfsrvd_releaselckown(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	u_int32_t *tl;
 	struct nfsstate *stp = NULL;
 	int error = 0, len;
 	nfsquad_t clientid;
 	struct thread *p = curthread;
 
 	if ((nd->nd_flag & ND_NFSV41) != 0) {
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 	len = fxdr_unsigned(int, *(tl + 2));
 	if (len <= 0 || len > NFSV4_OPAQUELIMIT) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	stp = malloc(sizeof (struct nfsstate) + len,
 	    M_NFSDSTATE, M_WAITOK);
 	stp->ls_ownerlen = len;
 	stp->ls_op = NULL;
 	stp->ls_flags = NFSLCK_RELEASE;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 	clientid.lval[0] = *tl++;
 	clientid.lval[1] = *tl;
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK14 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	error = nfsrv_mtostr(nd, stp->ls_owner, len);
 	if (error)
 		goto nfsmout;
 	nd->nd_repstat = nfsrv_releaselckown(stp, clientid, p);
 	free(stp, M_NFSDSTATE);
 
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	if (stp)
 		free(stp, M_NFSDSTATE);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 exchange_id service
  */
 int
 nfsrvd_exchangeid(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	int error = 0, i, idlen;
 	struct nfsclient *clp = NULL;
 	nfsquad_t clientid, confirm;
 	uint8_t *verf;
 	uint32_t sp4type, v41flags;
 	struct timespec verstime;
 	nfsopbit_t mustops, allowops;
 #ifdef INET
 	struct sockaddr_in *sin, *rin;
 #endif
 #ifdef INET6
 	struct sockaddr_in6 *sin6, *rin6;
 #endif
 	struct thread *p = curthread;
 	char *s;
 
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF + NFSX_UNSIGNED);
 	verf = (uint8_t *)tl;
 	tl += (NFSX_VERF / NFSX_UNSIGNED);
 	i = fxdr_unsigned(int, *tl);
 	if (i > NFSV4_OPAQUELIMIT || i <= 0) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	idlen = i;
 	if (nd->nd_flag & ND_GSS)
 		i += nd->nd_princlen;
 	clp = malloc(sizeof(struct nfsclient) + i, M_NFSDCLIENT, M_WAITOK |
 	    M_ZERO);
 	clp->lc_stateid = malloc(sizeof(struct nfsstatehead) *
 	    nfsrv_statehashsize, M_NFSDCLIENT, M_WAITOK);
 	NFSINITSOCKMUTEX(&clp->lc_req.nr_mtx);
 	/* Allocated large enough for an AF_INET or AF_INET6 socket. */
 	clp->lc_req.nr_nam = malloc(sizeof(struct sockaddr_in6), M_SONAME,
 	    M_WAITOK | M_ZERO);
 	switch (nd->nd_nam->sa_family) {
 #ifdef INET
 	case AF_INET:
 		rin = (struct sockaddr_in *)clp->lc_req.nr_nam;
 		sin = (struct sockaddr_in *)nd->nd_nam;
 		rin->sin_family = AF_INET;
 		rin->sin_len = sizeof(struct sockaddr_in);
 		rin->sin_port = 0;
 		rin->sin_addr.s_addr = sin->sin_addr.s_addr;
 		break;
 #endif
 #ifdef INET6
 	case AF_INET6:
 		rin6 = (struct sockaddr_in6 *)clp->lc_req.nr_nam;
 		sin6 = (struct sockaddr_in6 *)nd->nd_nam;
 		rin6->sin6_family = AF_INET6;
 		rin6->sin6_len = sizeof(struct sockaddr_in6);
 		rin6->sin6_port = 0;
 		rin6->sin6_addr = sin6->sin6_addr;
 		break;
 #endif
 	}
 	clp->lc_req.nr_cred = NULL;
 	NFSBCOPY(verf, clp->lc_verf, NFSX_VERF);
 	clp->lc_idlen = idlen;
 	error = nfsrv_mtostr(nd, clp->lc_id, idlen);
 	if (error != 0)
 		goto nfsmout;
 	if ((nd->nd_flag & ND_GSS) != 0) {
 		clp->lc_flags = LCL_GSS | LCL_NFSV41;
 		if ((nd->nd_flag & ND_GSSINTEGRITY) != 0)
 			clp->lc_flags |= LCL_GSSINTEGRITY;
 		else if ((nd->nd_flag & ND_GSSPRIVACY) != 0)
 			clp->lc_flags |= LCL_GSSPRIVACY;
 	} else
 		clp->lc_flags = LCL_NFSV41;
 	if ((nd->nd_flag & ND_NFSV42) != 0)
 		clp->lc_flags |= LCL_NFSV42;
 	if ((nd->nd_flag & ND_GSS) != 0 && nd->nd_princlen > 0) {
 		clp->lc_flags |= LCL_NAME;
 		clp->lc_namelen = nd->nd_princlen;
 		clp->lc_name = &clp->lc_id[idlen];
 		NFSBCOPY(nd->nd_principal, clp->lc_name, clp->lc_namelen);
 	} else {
 		clp->lc_uid = nd->nd_cred->cr_uid;
 		clp->lc_gid = nd->nd_cred->cr_gid;
 	}
 	NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 	v41flags = fxdr_unsigned(uint32_t, *tl++);
 	if ((v41flags & ~(NFSV4EXCH_SUPPMOVEDREFER | NFSV4EXCH_SUPPMOVEDMIGR |
 	    NFSV4EXCH_BINDPRINCSTATEID | NFSV4EXCH_MASKPNFS |
 	    NFSV4EXCH_UPDCONFIRMEDRECA)) != 0) {
 		nd->nd_repstat = NFSERR_INVAL;
 		goto nfsmout;
 	}
 	if ((v41flags & NFSV4EXCH_UPDCONFIRMEDRECA) != 0)
 		confirm.lval[1] = 1;
 	else
 		confirm.lval[1] = 0;
 	if (nfsrv_devidcnt == 0)
 		v41flags = NFSV4EXCH_USENONPNFS | NFSV4EXCH_USEPNFSDS;
  	else
  		v41flags = NFSV4EXCH_USEPNFSMDS;
 	sp4type = fxdr_unsigned(uint32_t, *tl);
 	if (sp4type == NFSV4EXCH_SP4MACHCRED) {
 		if ((nd->nd_flag & (ND_GSSINTEGRITY | ND_GSSPRIVACY)) == 0 ||
 		    nd->nd_princlen == 0)
 			nd->nd_repstat = (NFSERR_AUTHERR | AUTH_TOOWEAK);
 		if (nd->nd_repstat == 0)
 			nd->nd_repstat = nfsrv_getopbits(nd, &mustops, NULL);
 		if (nd->nd_repstat == 0)
 			nd->nd_repstat = nfsrv_getopbits(nd, &allowops, NULL);
 		if (nd->nd_repstat != 0)
 			goto nfsmout;
 		NFSOPBIT_CLRNOTMUST(&mustops);
 		NFSSET_OPBIT(&clp->lc_mustops, &mustops);
 		NFSOPBIT_CLRNOTALLOWED(&allowops);
 		NFSSET_OPBIT(&clp->lc_allowops, &allowops);
 		clp->lc_flags |= LCL_MACHCRED;
 	} else if (sp4type != NFSV4EXCH_SP4NONE) {
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 
 	/*
 	 * nfsrv_setclient() does the actual work of adding it to the
 	 * client list. If there is no error, the structure has been
 	 * linked into the client list and clp should no longer be used
 	 * here. When an error is returned, it has not been linked in,
 	 * so it should be free'd.
 	 */
 	nd->nd_repstat = nfsrv_setclient(nd, &clp, &clientid, &confirm, p);
 	if (clp != NULL) {
 		free(clp->lc_req.nr_nam, M_SONAME);
 		NFSFREEMUTEX(&clp->lc_req.nr_mtx);
 		free(clp->lc_stateid, M_NFSDCLIENT);
 		free(clp, M_NFSDCLIENT);
 	}
 	if (nd->nd_repstat == 0) {
 		if (confirm.lval[1] != 0)
 			v41flags |= NFSV4EXCH_CONFIRMEDR;
 		NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + 3 * NFSX_UNSIGNED);
 		*tl++ = clientid.lval[0];			/* ClientID */
 		*tl++ = clientid.lval[1];
 		*tl++ = txdr_unsigned(confirm.lval[0]);		/* SequenceID */
 		*tl++ = txdr_unsigned(v41flags);		/* Exch flags */
 		*tl = txdr_unsigned(sp4type);			/* No SSV */
 		if (sp4type == NFSV4EXCH_SP4MACHCRED) {
 			nfsrv_putopbit(nd, &mustops);
 			nfsrv_putopbit(nd, &allowops);
 		}
 		NFSM_BUILD(tl, uint32_t *, NFSX_HYPER);
 		txdr_hyper(nfsrv_owner_minor, tl);	/* Owner Minor */
 		if (nfsrv_owner_major[0] != 0)
 			s = nfsrv_owner_major;
 		else
 			s = nd->nd_cred->cr_prison->pr_hostuuid;
 		nfsm_strtom(nd, s, strlen(s));		/* Owner Major */
 		if (nfsrv_scope[0] != 0)
 			s = nfsrv_scope;
 		else
 			s = nd->nd_cred->cr_prison->pr_hostuuid;
 		nfsm_strtom(nd, s, strlen(s)	);		/* Scope */
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(1);
 		(void)nfsm_strtom(nd, "freebsd.org", strlen("freebsd.org"));
 		(void)nfsm_strtom(nd, version, strlen(version));
 		NFSM_BUILD(tl, uint32_t *, NFSX_V4TIME);
 		verstime.tv_sec = 1293840000;		/* Jan 1, 2011 */
 		verstime.tv_nsec = 0;
 		txdr_nfsv4time(&verstime, tl);
 	}
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	if (clp != NULL) {
 		free(clp->lc_req.nr_nam, M_SONAME);
 		NFSFREEMUTEX(&clp->lc_req.nr_mtx);
 		free(clp->lc_stateid, M_NFSDCLIENT);
 		free(clp, M_NFSDCLIENT);
 	}
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 create session service
  */
 int
 nfsrvd_createsession(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	int error = 0;
 	nfsquad_t clientid, confirm;
 	struct nfsdsession *sep = NULL;
 	uint32_t rdmacnt;
 	struct thread *p = curthread;
 	static bool do_printf = true;
 
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	sep = (struct nfsdsession *)malloc(sizeof(struct nfsdsession),
 	    M_NFSDSESSION, M_WAITOK | M_ZERO);
 	sep->sess_refcnt = 1;
 	mtx_init(&sep->sess_cbsess.nfsess_mtx, "nfscbsession", NULL, MTX_DEF);
 	NFSM_DISSECT(tl, uint32_t *, NFSX_HYPER + 2 * NFSX_UNSIGNED);
 	clientid.lval[0] = *tl++;
 	clientid.lval[1] = *tl++;
 	confirm.lval[0] = fxdr_unsigned(uint32_t, *tl++);
 	sep->sess_crflags = fxdr_unsigned(uint32_t, *tl);
 	/* Persistent sessions and RDMA are not supported. */
 	sep->sess_crflags &= NFSV4CRSESS_CONNBACKCHAN;
 
 	/* Fore channel attributes. */
 	NFSM_DISSECT(tl, uint32_t *, 7 * NFSX_UNSIGNED);
 	tl++;					/* Header pad always 0. */
 	sep->sess_maxreq = fxdr_unsigned(uint32_t, *tl++);
 	if (sep->sess_maxreq > sb_max_adj - NFS_MAXXDR) {
 		sep->sess_maxreq = sb_max_adj - NFS_MAXXDR;
 		if (do_printf)
 			printf("Consider increasing kern.ipc.maxsockbuf\n");
 		do_printf = false;
 	}
 	sep->sess_maxresp = fxdr_unsigned(uint32_t, *tl++);
 	if (sep->sess_maxresp > sb_max_adj - NFS_MAXXDR) {
 		sep->sess_maxresp = sb_max_adj - NFS_MAXXDR;
 		if (do_printf)
 			printf("Consider increasing kern.ipc.maxsockbuf\n");
 		do_printf = false;
 	}
 	sep->sess_maxrespcached = fxdr_unsigned(uint32_t, *tl++);
 	sep->sess_maxops = fxdr_unsigned(uint32_t, *tl++);
 	sep->sess_maxslots = fxdr_unsigned(uint32_t, *tl++);
 	if (sep->sess_maxslots > NFSV4_SLOTS)
 		sep->sess_maxslots = NFSV4_SLOTS;
 	rdmacnt = fxdr_unsigned(uint32_t, *tl);
 	if (rdmacnt > 1) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	} else if (rdmacnt == 1)
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 
 	/* Back channel attributes. */
 	NFSM_DISSECT(tl, uint32_t *, 7 * NFSX_UNSIGNED);
 	tl++;					/* Header pad always 0. */
 	sep->sess_cbmaxreq = fxdr_unsigned(uint32_t, *tl++);
 	sep->sess_cbmaxresp = fxdr_unsigned(uint32_t, *tl++);
 	sep->sess_cbmaxrespcached = fxdr_unsigned(uint32_t, *tl++);
 	sep->sess_cbmaxops = fxdr_unsigned(uint32_t, *tl++);
 	sep->sess_cbsess.nfsess_foreslots = fxdr_unsigned(uint32_t, *tl++);
 	rdmacnt = fxdr_unsigned(uint32_t, *tl);
 	if (rdmacnt > 1) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	} else if (rdmacnt == 1)
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	sep->sess_cbprogram = fxdr_unsigned(uint32_t, *tl);
 
 	/*
 	 * nfsrv_getclient() searches the client list for a match and
 	 * returns the appropriate NFSERR status.
 	 */
 	nd->nd_repstat = nfsrv_getclient(clientid, CLOPS_CONFIRM | CLOPS_RENEW,
 	    NULL, sep, confirm, sep->sess_cbprogram, nd, p);
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_V4SESSIONID);
 		NFSBCOPY(sep->sess_sessionid, tl, NFSX_V4SESSIONID);
 		NFSM_BUILD(tl, uint32_t *, 18 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(confirm.lval[0]);	/* sequenceid */
 		*tl++ = txdr_unsigned(sep->sess_crflags);
 
 		/* Fore channel attributes. */
 		*tl++ = 0;
 		*tl++ = txdr_unsigned(sep->sess_maxreq);
 		*tl++ = txdr_unsigned(sep->sess_maxresp);
 		*tl++ = txdr_unsigned(sep->sess_maxrespcached);
 		*tl++ = txdr_unsigned(sep->sess_maxops);
 		*tl++ = txdr_unsigned(sep->sess_maxslots);
 		*tl++ = txdr_unsigned(1);
 		*tl++ = txdr_unsigned(0);			/* No RDMA. */
 
 		/* Back channel attributes. */
 		*tl++ = 0;
 		*tl++ = txdr_unsigned(sep->sess_cbmaxreq);
 		*tl++ = txdr_unsigned(sep->sess_cbmaxresp);
 		*tl++ = txdr_unsigned(sep->sess_cbmaxrespcached);
 		*tl++ = txdr_unsigned(sep->sess_cbmaxops);
 		*tl++ = txdr_unsigned(sep->sess_cbsess.nfsess_foreslots);
 		*tl++ = txdr_unsigned(1);
 		*tl = txdr_unsigned(0);			/* No RDMA. */
 	}
 nfsmout:
 	if (nd->nd_repstat != 0 && sep != NULL)
 		free(sep, M_NFSDSESSION);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 sequence service
  */
 int
 nfsrvd_sequence(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	uint32_t highest_slotid, sequenceid, sflags, target_highest_slotid;
 	int cache_this, error = 0;
 	struct thread *p = curthread;
 
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	NFSM_DISSECT(tl, uint32_t *, NFSX_V4SESSIONID);
 	NFSBCOPY(tl, nd->nd_sessionid, NFSX_V4SESSIONID);
 	NFSM_DISSECT(tl, uint32_t *, 4 * NFSX_UNSIGNED);
 	sequenceid = fxdr_unsigned(uint32_t, *tl++);
 	nd->nd_slotid = fxdr_unsigned(uint32_t, *tl++);
 	highest_slotid = fxdr_unsigned(uint32_t, *tl++);
 	if (*tl == newnfs_true)
 		cache_this = 1;
 	else
 		cache_this = 0;
 	nd->nd_repstat = nfsrv_checksequence(nd, sequenceid, &highest_slotid,
 	    &target_highest_slotid, cache_this, &sflags, p);
 	if (nd->nd_repstat != NFSERR_BADSLOT)
 		nd->nd_flag |= ND_HASSEQUENCE;
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_V4SESSIONID);
 		NFSBCOPY(nd->nd_sessionid, tl, NFSX_V4SESSIONID);
 		NFSM_BUILD(tl, uint32_t *, 5 * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(sequenceid);
 		*tl++ = txdr_unsigned(nd->nd_slotid);
 		*tl++ = txdr_unsigned(highest_slotid);
 		*tl++ = txdr_unsigned(target_highest_slotid);
 		*tl = txdr_unsigned(sflags);
 	}
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 reclaim complete service
  */
 int
 nfsrvd_reclaimcomplete(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	int error = 0, onefs;
 
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	/*
 	 * I believe that a ReclaimComplete with rca_one_fs == TRUE is only
 	 * to be used after a file system has been transferred to a different
 	 * file server.  However, RFC5661 is somewhat vague w.r.t. this and
 	 * the ESXi 6.7 client does both a ReclaimComplete with rca_one_fs
 	 * == TRUE and one with ReclaimComplete with rca_one_fs == FALSE.
 	 * Therefore, just ignore the rca_one_fs == TRUE operation and return
 	 * NFS_OK without doing anything.
 	 */
 	onefs = 0;
 	if (*tl == newnfs_true)
 		onefs = 1;
 	nd->nd_repstat = nfsrv_checkreclaimcomplete(nd, onefs);
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 destroy clientid service
  */
 int
 nfsrvd_destroyclientid(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	nfsquad_t clientid;
 	int error = 0;
 	struct thread *p = curthread;
 
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	clientid.lval[0] = *tl++;
 	clientid.lval[1] = *tl;
 	nd->nd_repstat = nfsrv_destroyclient(nd, clientid, p);
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 bind connection to session service
  */
 int
 nfsrvd_bindconnsess(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	uint8_t sessid[NFSX_V4SESSIONID];
 	int error = 0, foreaft;
 
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	NFSM_DISSECT(tl, uint32_t *, NFSX_V4SESSIONID + 2 * NFSX_UNSIGNED);
 	NFSBCOPY(tl, sessid, NFSX_V4SESSIONID);
 	tl += (NFSX_V4SESSIONID / NFSX_UNSIGNED);
 	foreaft = fxdr_unsigned(int, *tl++);
 	if (*tl == newnfs_true) {
 		/* RDMA is not supported. */
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 
 	nd->nd_repstat = nfsrv_bindconnsess(nd, sessid, &foreaft);
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_V4SESSIONID + 2 *
 		    NFSX_UNSIGNED);
 		NFSBCOPY(sessid, tl, NFSX_V4SESSIONID);
 		tl += (NFSX_V4SESSIONID / NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(foreaft);
 		*tl = newnfs_false;
 	}
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 destroy session service
  */
 int
 nfsrvd_destroysession(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint8_t *cp, sessid[NFSX_V4SESSIONID];
 	int error = 0;
 
 	if ((nd->nd_repstat = nfsd_checkrootexp(nd)) != 0)
 		goto nfsmout;
 	NFSM_DISSECT(cp, uint8_t *, NFSX_V4SESSIONID);
 	NFSBCOPY(cp, sessid, NFSX_V4SESSIONID);
 	nd->nd_repstat = nfsrv_destroysession(nd, sessid);
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 free stateid service
  */
 int
 nfsrvd_freestateid(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	nfsv4stateid_t stateid;
 	int error = 0;
 	struct thread *p = curthread;
 
 	NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID);
 	stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
 
 	/*
 	 * For the special stateid of other all 0s and seqid == 1, set the
 	 * stateid to the current stateid, if it is set.
 	 */
 	if (stateid.seqid == 1 && stateid.other[0] == 0 &&
 	    stateid.other[1] == 0 && stateid.other[2] == 0) {
 		if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 			stateid = nd->nd_curstateid;
 			stateid.seqid = 0;
 		} else {
 			nd->nd_repstat = NFSERR_BADSTATEID;
 			goto nfsmout;
 		}
 	}
 
 	nd->nd_repstat = nfsrv_freestateid(nd, &stateid, p);
 
 	/* If the current stateid has been free'd, unset it. */
 	if (nd->nd_repstat == 0 && (nd->nd_flag & ND_CURSTATEID) != 0 &&
 	    stateid.other[0] == nd->nd_curstateid.other[0] &&
 	    stateid.other[1] == nd->nd_curstateid.other[1] &&
 	    stateid.other[2] == nd->nd_curstateid.other[2])
 		nd->nd_flag &= ~ND_CURSTATEID;
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 layoutget service
  */
 int
 nfsrvd_layoutget(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	nfsv4stateid_t stateid;
 	int error = 0, layoutlen, layouttype, iomode, maxcnt, retonclose;
 	uint64_t offset, len, minlen;
 	char *layp;
 	struct thread *p = curthread;
 
 	NFSM_DISSECT(tl, uint32_t *, 4 * NFSX_UNSIGNED + 3 * NFSX_HYPER +
 	    NFSX_STATEID);
 	tl++;		/* Signal layout available. Ignore for now. */
 	layouttype = fxdr_unsigned(int, *tl++);
 	iomode = fxdr_unsigned(int, *tl++);
 	offset = fxdr_hyper(tl); tl += 2;
 	len = fxdr_hyper(tl); tl += 2;
 	minlen = fxdr_hyper(tl); tl += 2;
 	stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
 	tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 	maxcnt = fxdr_unsigned(int, *tl);
 	NFSD_DEBUG(4, "layoutget ltyp=%d iom=%d off=%ju len=%ju mlen=%ju\n",
 	    layouttype, iomode, (uintmax_t)offset, (uintmax_t)len,
 	    (uintmax_t)minlen);
 	if (len < minlen ||
 	    (minlen != UINT64_MAX && offset + minlen < offset) ||
 	    (len != UINT64_MAX && offset + len < offset)) {
 		nd->nd_repstat = NFSERR_INVAL;
 		goto nfsmout;
 	}
 
 	/*
 	 * For the special stateid of other all 0s and seqid == 1, set the
 	 * stateid to the current stateid, if it is set.
 	 */
 	if (stateid.seqid == 1 && stateid.other[0] == 0 &&
 	    stateid.other[1] == 0 && stateid.other[2] == 0) {
 		if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 			stateid = nd->nd_curstateid;
 			stateid.seqid = 0;
 		} else {
 			nd->nd_repstat = NFSERR_BADSTATEID;
 			goto nfsmout;
 		}
 	}
 
 	layp = NULL;
 	if (layouttype == NFSLAYOUT_NFSV4_1_FILES && nfsrv_maxpnfsmirror == 1)
 		layp = malloc(NFSX_V4FILELAYOUT, M_TEMP, M_WAITOK);
 	else if (layouttype == NFSLAYOUT_FLEXFILE)
 		layp = malloc(NFSX_V4FLEXLAYOUT(nfsrv_maxpnfsmirror), M_TEMP,
 		    M_WAITOK);
 	else
 		nd->nd_repstat = NFSERR_UNKNLAYOUTTYPE;
 	if (layp != NULL)
 		nd->nd_repstat = nfsrv_layoutget(nd, vp, exp, layouttype,
 		    &iomode, &offset, &len, minlen, &stateid, maxcnt,
 		    &retonclose, &layoutlen, layp, nd->nd_cred, p);
 	NFSD_DEBUG(4, "nfsrv_layoutget stat=%u layoutlen=%d\n", nd->nd_repstat,
 	    layoutlen);
 	if (nd->nd_repstat == 0) {
 		/* For NFSv4.1, set the Current StateID. */
 		if ((nd->nd_flag & ND_NFSV41) != 0) {
 			nd->nd_curstateid = stateid;
 			nd->nd_flag |= ND_CURSTATEID;
 		}
 		NFSM_BUILD(tl, uint32_t *, 4 * NFSX_UNSIGNED + NFSX_STATEID +
 		    2 * NFSX_HYPER);
 		*tl++ = txdr_unsigned(retonclose);
 		*tl++ = txdr_unsigned(stateid.seqid);
 		NFSBCOPY(stateid.other, tl, NFSX_STATEIDOTHER);
 		tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(1);	/* Only returns one layout. */
 		txdr_hyper(offset, tl); tl += 2;
 		txdr_hyper(len, tl); tl += 2;
 		*tl++ = txdr_unsigned(iomode);
 		*tl = txdr_unsigned(layouttype);
 		nfsm_strtom(nd, layp, layoutlen);
 	} else if (nd->nd_repstat == NFSERR_LAYOUTTRYLATER) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = newnfs_false;
 	}
 	free(layp, M_TEMP);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 layoutcommit service
  */
 int
 nfsrvd_layoutcommit(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	nfsv4stateid_t stateid;
 	int error = 0, hasnewoff, hasnewmtime, layouttype, maxcnt, reclaim;
 	int hasnewsize;
 	uint64_t offset, len, newoff = 0, newsize;
 	struct timespec newmtime;
 	char *layp;
 	struct thread *p = curthread;
 
 	layp = NULL;
 	NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED + 2 * NFSX_HYPER +
 	    NFSX_STATEID);
 	offset = fxdr_hyper(tl); tl += 2;
 	len = fxdr_hyper(tl); tl += 2;
 	reclaim = fxdr_unsigned(int, *tl++);
 	stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
 	tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 	/*
 	 * For the special stateid of other all 0s and seqid == 1, set the
 	 * stateid to the current stateid, if it is set.
 	 */
 	if (stateid.seqid == 1 && stateid.other[0] == 0 &&
 	    stateid.other[1] == 0 && stateid.other[2] == 0) {
 		if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 			stateid = nd->nd_curstateid;
 			stateid.seqid = 0;
 		} else {
 			nd->nd_repstat = NFSERR_BADSTATEID;
 			goto nfsmout;
 		}
 	}
 
 	hasnewoff = fxdr_unsigned(int, *tl);
 	if (hasnewoff != 0) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_HYPER + NFSX_UNSIGNED);
 		newoff = fxdr_hyper(tl); tl += 2;
 	} else
 		NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	hasnewmtime = fxdr_unsigned(int, *tl);
 	if (hasnewmtime != 0) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_V4TIME + 2 * NFSX_UNSIGNED);
 		fxdr_nfsv4time(tl, &newmtime);
 		tl += (NFSX_V4TIME / NFSX_UNSIGNED);
 	} else
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	layouttype = fxdr_unsigned(int, *tl++);
 	maxcnt = fxdr_unsigned(int, *tl);
 	if (maxcnt > 0) {
 		layp = malloc(maxcnt + 1, M_TEMP, M_WAITOK);
 		error = nfsrv_mtostr(nd, layp, maxcnt);
 		if (error != 0)
 			goto nfsmout;
 	}
 	nd->nd_repstat = nfsrv_layoutcommit(nd, vp, layouttype, hasnewoff,
 	    newoff, offset, len, hasnewmtime, &newmtime, reclaim, &stateid,
 	    maxcnt, layp, &hasnewsize, &newsize, nd->nd_cred, p);
 	NFSD_DEBUG(4, "nfsrv_layoutcommit stat=%u\n", nd->nd_repstat);
 	if (nd->nd_repstat == 0) {
 		if (hasnewsize != 0) {
 			NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED + NFSX_HYPER);
 			*tl++ = newnfs_true;
 			txdr_hyper(newsize, tl);
 		} else {
 			NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 			*tl = newnfs_false;
 		}
 	}
 nfsmout:
 	free(layp, M_TEMP);
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 layoutreturn service
  */
 int
 nfsrvd_layoutreturn(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	uint32_t *tl, *layp;
 	nfsv4stateid_t stateid;
 	int error = 0, fnd, kind, layouttype, iomode, maxcnt, reclaim;
 	uint64_t offset, len;
 	struct thread *p = curthread;
 
 	layp = NULL;
 	NFSM_DISSECT(tl, uint32_t *, 4 * NFSX_UNSIGNED);
 	reclaim = *tl++;
 	layouttype = fxdr_unsigned(int, *tl++);
 	iomode = fxdr_unsigned(int, *tl++);
 	kind = fxdr_unsigned(int, *tl);
 	NFSD_DEBUG(4, "layoutreturn recl=%d ltyp=%d iom=%d kind=%d\n", reclaim,
 	    layouttype, iomode, kind);
 	if (kind == NFSV4LAYOUTRET_FILE) {
 		NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_STATEID +
 		    NFSX_UNSIGNED);
 		offset = fxdr_hyper(tl); tl += 2;
 		len = fxdr_hyper(tl); tl += 2;
 		stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 		NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
 		tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 
 		/*
 		 * For the special stateid of other all 0s and seqid == 1, set
 		 * the stateid to the current stateid, if it is set.
 		 */
 		if (stateid.seqid == 1 && stateid.other[0] == 0 &&
 		    stateid.other[1] == 0 && stateid.other[2] == 0) {
 			if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 				stateid = nd->nd_curstateid;
 				stateid.seqid = 0;
 			} else {
 				nd->nd_repstat = NFSERR_BADSTATEID;
 				goto nfsmout;
 			}
 		}
 
 		maxcnt = fxdr_unsigned(int, *tl);
 		/*
 		 * There is no fixed upper bound defined in the RFCs,
 		 * but 128Kbytes should be more than sufficient.
 		 */
 		if (maxcnt < 0 || maxcnt > 131072)
 			maxcnt = 0;
 		if (maxcnt > 0) {
 			layp = malloc(maxcnt + 1, M_TEMP, M_WAITOK);
 			error = nfsrv_mtostr(nd, (char *)layp, maxcnt);
 			if (error != 0)
 				goto nfsmout;
 		}
 	} else {
 		if (reclaim == newnfs_true) {
 			nd->nd_repstat = NFSERR_INVAL;
 			goto nfsmout;
 		}
 		offset = len = 0;
 		maxcnt = 0;
 	}
 	nd->nd_repstat = nfsrv_layoutreturn(nd, vp, layouttype, iomode,
 	    offset, len, reclaim, kind, &stateid, maxcnt, layp, &fnd,
 	    nd->nd_cred, p);
 	NFSD_DEBUG(4, "nfsrv_layoutreturn stat=%u fnd=%d\n", nd->nd_repstat,
 	    fnd);
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		if (fnd != 0) {
 			*tl = newnfs_true;
 			NFSM_BUILD(tl, uint32_t *, NFSX_STATEID);
 			*tl++ = txdr_unsigned(stateid.seqid);
 			NFSBCOPY(stateid.other, tl, NFSX_STATEIDOTHER);
 		} else
 			*tl = newnfs_false;
 	}
 nfsmout:
 	free(layp, M_TEMP);
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 layout error service
  */
 int
 nfsrvd_layouterror(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	nfsv4stateid_t stateid;
 	int cnt, error = 0, i, stat;
 	int opnum __unused;
 	char devid[NFSX_V4DEVICEID];
 	uint64_t offset, len;
 
 	NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_STATEID +
 	    NFSX_UNSIGNED);
 	offset = fxdr_hyper(tl); tl += 2;
 	len = fxdr_hyper(tl); tl += 2;
 	stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
 	tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 	cnt = fxdr_unsigned(int, *tl);
 	NFSD_DEBUG(4, "layouterror off=%ju len=%ju cnt=%d\n", (uintmax_t)offset,
 	    (uintmax_t)len, cnt);
 	/*
 	 * For the special stateid of other all 0s and seqid == 1, set
 	 * the stateid to the current stateid, if it is set.
 	 */
 	if (stateid.seqid == 1 && stateid.other[0] == 0 &&
 	    stateid.other[1] == 0 && stateid.other[2] == 0) {
 		if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 			stateid = nd->nd_curstateid;
 			stateid.seqid = 0;
 		} else {
 			nd->nd_repstat = NFSERR_BADSTATEID;
 			goto nfsmout;
 		}
 	}
 
 	/*
 	 * Ignore offset, len and stateid for now.
 	 */
 	for (i = 0; i < cnt; i++) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_V4DEVICEID + 2 *
 		    NFSX_UNSIGNED);
 		NFSBCOPY(tl, devid, NFSX_V4DEVICEID);
 		tl += (NFSX_V4DEVICEID / NFSX_UNSIGNED);
 		stat = fxdr_unsigned(int, *tl++);
 		opnum = fxdr_unsigned(int, *tl);
 		NFSD_DEBUG(4, "nfsrvd_layouterr op=%d stat=%d\n", opnum, stat);
 		/*
 		 * Except for NFSERR_ACCES, NFSERR_STALE and NFSERR_NOSPC
 		 * errors, disable the mirror.
 		 */
 		if (stat != NFSERR_ACCES && stat != NFSERR_STALE &&
 		    stat != NFSERR_NOSPC)
 			nfsrv_delds(devid, curthread);
 
 		/* For NFSERR_NOSPC, mark all deviceids and layouts. */
 		if (stat == NFSERR_NOSPC)
 			nfsrv_marknospc(devid, true);
 	}
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 layout stats service
  */
 int
 nfsrvd_layoutstats(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	nfsv4stateid_t stateid;
 	int cnt, error = 0;
 	int layouttype __unused;
 	char devid[NFSX_V4DEVICEID] __unused;
 	uint64_t offset __unused, len __unused, readcount __unused;
 	uint64_t readbytes __unused, writecount __unused, writebytes __unused;
 
 	NFSM_DISSECT(tl, uint32_t *, 6 * NFSX_HYPER + NFSX_STATEID +
 	    NFSX_V4DEVICEID + 2 * NFSX_UNSIGNED);
 	offset = fxdr_hyper(tl); tl += 2;
 	len = fxdr_hyper(tl); tl += 2;
 	stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
 	tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 	readcount = fxdr_hyper(tl); tl += 2;
 	readbytes = fxdr_hyper(tl); tl += 2;
 	writecount = fxdr_hyper(tl); tl += 2;
 	writebytes = fxdr_hyper(tl); tl += 2;
 	NFSBCOPY(tl, devid, NFSX_V4DEVICEID);
 	tl += (NFSX_V4DEVICEID / NFSX_UNSIGNED);
 	layouttype = fxdr_unsigned(int, *tl++);
 	cnt = fxdr_unsigned(int, *tl);
 	error = nfsm_advance(nd, NFSM_RNDUP(cnt), -1);
 	if (error != 0)
 		goto nfsmout;
 	NFSD_DEBUG(4, "layoutstats cnt=%d\n", cnt);
 	/*
 	 * For the special stateid of other all 0s and seqid == 1, set
 	 * the stateid to the current stateid, if it is set.
 	 */
 	if (stateid.seqid == 1 && stateid.other[0] == 0 &&
 	    stateid.other[1] == 0 && stateid.other[2] == 0) {
 		if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 			stateid = nd->nd_curstateid;
 			stateid.seqid = 0;
 		} else {
 			nd->nd_repstat = NFSERR_BADSTATEID;
 			goto nfsmout;
 		}
 	}
 
 	/*
 	 * No use for the stats for now.
 	 */
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 io_advise service
  */
 int
 nfsrvd_ioadvise(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	nfsv4stateid_t stateid;
 	nfsattrbit_t hints;
 	int error = 0, ret;
 	off_t offset, len;
 
 	NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID + 2 * NFSX_HYPER);
 	stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
 	tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
 	offset = fxdr_hyper(tl); tl += 2;
 	len = fxdr_hyper(tl);
 	error = nfsrv_getattrbits(nd, &hints, NULL, NULL);
 	if (error != 0)
 		goto nfsmout;
 	/*
 	 * For the special stateid of other all 0s and seqid == 1, set
 	 * the stateid to the current stateid, if it is set.
 	 */
 	if (stateid.seqid == 1 && stateid.other[0] == 0 &&
 	    stateid.other[1] == 0 && stateid.other[2] == 0) {
 		if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 			stateid = nd->nd_curstateid;
 			stateid.seqid = 0;
 		} else {
 			nd->nd_repstat = NFSERR_BADSTATEID;
 			goto nfsmout;
 		}
 	}
 
 	if (offset < 0) {
 		nd->nd_repstat = NFSERR_INVAL;
 		goto nfsmout;
 	}
 	if (len < 0)
 		len = 0;
 	if (vp->v_type != VREG) {
 		if (vp->v_type == VDIR)
 			nd->nd_repstat = NFSERR_ISDIR;
 		else
 			nd->nd_repstat = NFSERR_WRONGTYPE;
 		goto nfsmout;
 	}
 
 	/*
 	 * For now, we can only handle WILLNEED and DONTNEED and don't use
 	 * the stateid.
 	 */
 	if ((NFSISSET_ATTRBIT(&hints, NFSV4IOHINT_WILLNEED) &&
 	    !NFSISSET_ATTRBIT(&hints, NFSV4IOHINT_DONTNEED)) ||
 	    (NFSISSET_ATTRBIT(&hints, NFSV4IOHINT_DONTNEED) &&
 	    !NFSISSET_ATTRBIT(&hints, NFSV4IOHINT_WILLNEED))) {
 		NFSVOPUNLOCK(vp);
 		if (NFSISSET_ATTRBIT(&hints, NFSV4IOHINT_WILLNEED)) {
 			ret = VOP_ADVISE(vp, offset, len, POSIX_FADV_WILLNEED);
 			NFSZERO_ATTRBIT(&hints);
 			if (ret == 0)
 				NFSSETBIT_ATTRBIT(&hints, NFSV4IOHINT_WILLNEED);
 			else
 				NFSSETBIT_ATTRBIT(&hints, NFSV4IOHINT_NORMAL);
 		} else {
 			ret = VOP_ADVISE(vp, offset, len, POSIX_FADV_DONTNEED);
 			NFSZERO_ATTRBIT(&hints);
 			if (ret == 0)
 				NFSSETBIT_ATTRBIT(&hints, NFSV4IOHINT_DONTNEED);
 			else
 				NFSSETBIT_ATTRBIT(&hints, NFSV4IOHINT_NORMAL);
 		}
 		vrele(vp);
 	} else {
 		NFSZERO_ATTRBIT(&hints);
 		NFSSETBIT_ATTRBIT(&hints, NFSV4IOHINT_NORMAL);
 		vput(vp);
 	}
 	nfsrv_putattrbit(nd, &hints);
 	NFSEXITCODE2(error, nd);
 	return (error);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 getdeviceinfo service
  */
 int
 nfsrvd_getdevinfo(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl, maxcnt, notify[NFSV4_NOTIFYBITMAP];
 	int cnt, devaddrlen, error = 0, i, layouttype;
 	char devid[NFSX_V4DEVICEID], *devaddr;
 	time_t dev_time;
 
 	NFSM_DISSECT(tl, uint32_t *, 3 * NFSX_UNSIGNED + NFSX_V4DEVICEID);
 	NFSBCOPY(tl, devid, NFSX_V4DEVICEID);
 	tl += (NFSX_V4DEVICEID / NFSX_UNSIGNED);
 	layouttype = fxdr_unsigned(int, *tl++);
 	maxcnt = fxdr_unsigned(uint32_t, *tl++);
 	cnt = fxdr_unsigned(int, *tl);
 	NFSD_DEBUG(4, "getdevinfo ltyp=%d maxcnt=%u bitcnt=%d\n", layouttype,
 	    maxcnt, cnt);
 	if (cnt > NFSV4_NOTIFYBITMAP || cnt < 0) {
 		nd->nd_repstat = NFSERR_INVAL;
 		goto nfsmout;
 	}
 	if (cnt > 0) {
 		NFSM_DISSECT(tl, uint32_t *, cnt * NFSX_UNSIGNED);
 		for (i = 0; i < cnt; i++)
 			notify[i] = fxdr_unsigned(uint32_t, *tl++);
 	}
 	for (i = cnt; i < NFSV4_NOTIFYBITMAP; i++)
 		notify[i] = 0;
 
 	/*
 	 * Check that the device id is not stale.  Device ids are recreated
 	 * each time the nfsd threads are restarted.
 	 */
 	NFSBCOPY(devid, &dev_time, sizeof(dev_time));
 	if (dev_time != nfsdev_time) {
 		nd->nd_repstat = NFSERR_NOENT;
 		goto nfsmout;
 	}
 
 	/* Look for the device id. */
 	nd->nd_repstat = nfsrv_getdevinfo(devid, layouttype, &maxcnt,
 	    notify, &devaddrlen, &devaddr);
 	NFSD_DEBUG(4, "nfsrv_getdevinfo stat=%u\n", nd->nd_repstat);
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(layouttype);
 		nfsm_strtom(nd, devaddr, devaddrlen);
 		cnt = 0;
 		for (i = 0; i < NFSV4_NOTIFYBITMAP; i++) {
 			if (notify[i] != 0)
 				cnt = i + 1;
 		}
 		NFSM_BUILD(tl, uint32_t *, (cnt + 1) * NFSX_UNSIGNED);
 		*tl++ = txdr_unsigned(cnt);
 		for (i = 0; i < cnt; i++)
 			*tl++ = txdr_unsigned(notify[i]);
 	} else if (nd->nd_repstat == NFSERR_TOOSMALL) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(maxcnt);
 	}
 nfsmout:
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfsv4 test stateid service
  */
 int
 nfsrvd_teststateid(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	nfsv4stateid_t *stateidp = NULL, *tstateidp;
 	int cnt, error = 0, i, ret;
 	struct thread *p = curthread;
 
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	cnt = fxdr_unsigned(int, *tl);
 	if (cnt <= 0 || cnt > 1024) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	stateidp = mallocarray(cnt, sizeof(nfsv4stateid_t), M_TEMP, M_WAITOK);
 	tstateidp = stateidp;
 	for (i = 0; i < cnt; i++) {
 		NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID);
 		tstateidp->seqid = fxdr_unsigned(uint32_t, *tl++);
 		NFSBCOPY(tl, tstateidp->other, NFSX_STATEIDOTHER);
 		tstateidp++;
 	}
 	NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 	*tl = txdr_unsigned(cnt);
 	tstateidp = stateidp;
 	for (i = 0; i < cnt; i++) {
 		ret = nfsrv_teststateid(nd, tstateidp, p);
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(ret);
 		tstateidp++;
 	}
 nfsmout:
 	free(stateidp, M_TEMP);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs allocate service
  */
 int
 nfsrvd_allocate(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	struct nfsvattr forat;
 	int error = 0, forat_ret = 1, gotproxystateid;
 	off_t off, len;
 	struct nfsstate st, *stp = &st;
 	struct nfslock lo, *lop = &lo;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	nfsattrbit_t attrbits;
 
 	if (!nfsrv_doallocate) {
 		/*
 		 * If any exported file system, such as a ZFS one, cannot
 		 * do VOP_ALLOCATE(), this operation cannot be supported
 		 * for NFSv4.2.  This cannot be done 'per filesystem', but
 		 * must be for the entire nfsd NFSv4.2 service.
 		 */
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 	gotproxystateid = 0;
 	NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID + 2 * NFSX_HYPER);
 	stp->ls_flags = (NFSLCK_CHECK | NFSLCK_WRITEACCESS);
 	lop->lo_flags = NFSLCK_WRITE;
 	stp->ls_ownerlen = 0;
 	stp->ls_op = NULL;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 	stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 	clientid.lval[0] = stp->ls_stateid.other[0] = *tl++;
 	clientid.lval[1] = stp->ls_stateid.other[1] = *tl++;
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK2 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	stp->ls_stateid.other[2] = *tl++;
 	/*
 	 * Don't allow this to be done for a DS.
 	 */
 	if ((nd->nd_flag & ND_DSSERVER) != 0)
 		nd->nd_repstat = NFSERR_NOTSUPP;
 	/* However, allow the proxy stateid. */
 	if (stp->ls_stateid.seqid == 0xffffffff &&
 	    stp->ls_stateid.other[0] == 0x55555555 &&
 	    stp->ls_stateid.other[1] == 0x55555555 &&
 	    stp->ls_stateid.other[2] == 0x55555555)
 		gotproxystateid = 1;
 	off = fxdr_hyper(tl); tl += 2;
 	lop->lo_first = off;
 	len = fxdr_hyper(tl);
 	lop->lo_end = lop->lo_first + len;
 	/*
 	 * Sanity check the offset and length.
 	 * off and len are off_t (signed int64_t) whereas
 	 * lo_first and lo_end are uint64_t and, as such,
 	 * if off >= 0 && len > 0, lo_end cannot overflow
 	 * unless off_t is changed to something other than
 	 * int64_t.  Check lo_end < lo_first in case that
 	 * is someday the case.
 	 */
 	if (nd->nd_repstat == 0 && (len <= 0 || off < 0 || lop->lo_end >
 	    OFF_MAX || lop->lo_end < lop->lo_first))
 		nd->nd_repstat = NFSERR_INVAL;
 
 	if (nd->nd_repstat == 0 && vp->v_type != VREG)
 		nd->nd_repstat = NFSERR_WRONGTYPE;
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_OWNER);
 	forat_ret = nfsvno_getattr(vp, &forat, nd, curthread, 1, &attrbits);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = forat_ret;
 	if (nd->nd_repstat == 0 && (forat.na_uid != nd->nd_cred->cr_uid ||
 	     NFSVNO_EXSTRICTACCESS(exp)))
 		nd->nd_repstat = nfsvno_accchk(vp, VWRITE, nd->nd_cred, exp,
 		    curthread, NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED,
 		    NULL);
 	if (nd->nd_repstat == 0 && gotproxystateid == 0)
 		nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, NULL, clientid,
 		    &stateid, exp, nd, curthread);
 
 	NFSD_DEBUG(4, "nfsrvd_allocate: off=%jd len=%jd stat=%d\n",
 	    (intmax_t)off, (intmax_t)len, nd->nd_repstat);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = nfsvno_allocate(vp, off, len, nd->nd_cred,
 		    curthread);
 	NFSD_DEBUG(4, "nfsrvd_allocate: aft nfsvno_allocate=%d\n",
 	    nd->nd_repstat);
 	vput(vp);
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs deallocate service
  */
 int
 nfsrvd_deallocate(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	struct nfsvattr forat;
 	int error = 0, forat_ret = 1, gotproxystateid;
 	off_t off, len;
 	struct nfsstate st, *stp = &st;
 	struct nfslock lo, *lop = &lo;
 	nfsv4stateid_t stateid;
 	nfsquad_t clientid;
 	nfsattrbit_t attrbits;
 
 	gotproxystateid = 0;
 	NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID + 2 * NFSX_HYPER);
 	stp->ls_flags = (NFSLCK_CHECK | NFSLCK_WRITEACCESS);
 	lop->lo_flags = NFSLCK_WRITE;
 	stp->ls_ownerlen = 0;
 	stp->ls_op = NULL;
 	stp->ls_uid = nd->nd_cred->cr_uid;
 	stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
 	clientid.lval[0] = stp->ls_stateid.other[0] = *tl++;
 	clientid.lval[1] = stp->ls_stateid.other[1] = *tl++;
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			clientid.qval = nd->nd_clientid.qval;
 		else if (nd->nd_clientid.qval != clientid.qval)
 			printf("EEK2 multiple clids\n");
 	} else {
 		if ((nd->nd_flag & ND_NFSV41) != 0)
 			printf("EEK! no clientid from session\n");
 		nd->nd_flag |= ND_IMPLIEDCLID;
 		nd->nd_clientid.qval = clientid.qval;
 	}
 	stp->ls_stateid.other[2] = *tl++;
 	/*
 	 * Don't allow this to be done for a DS.
 	 */
 	if ((nd->nd_flag & ND_DSSERVER) != 0)
 		nd->nd_repstat = NFSERR_NOTSUPP;
 	/* However, allow the proxy stateid. */
 	if (stp->ls_stateid.seqid == 0xffffffff &&
 	    stp->ls_stateid.other[0] == 0x55555555 &&
 	    stp->ls_stateid.other[1] == 0x55555555 &&
 	    stp->ls_stateid.other[2] == 0x55555555)
 		gotproxystateid = 1;
 	off = fxdr_hyper(tl); tl += 2;
 	lop->lo_first = off;
 	len = fxdr_hyper(tl);
 	if (len < 0)
 		len = OFF_MAX;
 	NFSD_DEBUG(4, "dealloc: off=%jd len=%jd\n", (intmax_t)off,
 	    (intmax_t)len);
 	lop->lo_end = lop->lo_first + len;
 	/*
 	 * Sanity check the offset and length.
 	 * off and len are off_t (signed int64_t) whereas
 	 * lo_first and lo_end are uint64_t and, as such,
 	 * if off >= 0 && len > 0, lo_end cannot overflow
 	 * unless off_t is changed to something other than
 	 * int64_t.  Check lo_end < lo_first in case that
 	 * is someday the case.
 	 * The error to return is not specified by RFC 7862 so I
 	 * made this compatible with the Linux knfsd.
 	 */
 	if (nd->nd_repstat == 0) {
 		if (off < 0 || lop->lo_end > NFSRV_MAXFILESIZE)
 			nd->nd_repstat = NFSERR_FBIG;
 		else if (len == 0 || lop->lo_end < lop->lo_first)
 			nd->nd_repstat = NFSERR_INVAL;
 	}
 
 	if (nd->nd_repstat == 0 && vp->v_type != VREG)
 		nd->nd_repstat = NFSERR_WRONGTYPE;
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_OWNER);
 	forat_ret = nfsvno_getattr(vp, &forat, nd, curthread, 1, &attrbits);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = forat_ret;
 	if (nd->nd_repstat == 0 && (forat.na_uid != nd->nd_cred->cr_uid ||
 	     NFSVNO_EXSTRICTACCESS(exp)))
 		nd->nd_repstat = nfsvno_accchk(vp, VWRITE, nd->nd_cred, exp,
 		    curthread, NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED,
 		    NULL);
 	if (nd->nd_repstat == 0 && gotproxystateid == 0)
 		nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, NULL, clientid,
 		    &stateid, exp, nd, curthread);
 
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = nfsvno_deallocate(vp, off, len, nd->nd_cred,
 		    curthread);
 	vput(vp);
 	NFSD_DEBUG(4, "eo deallocate=%d\n", nd->nd_repstat);
 	NFSEXITCODE2(0, nd);
 	return (0);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs copy service
  */
 int
 nfsrvd_copy_file_range(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, vnode_t tovp, struct nfsexstuff *exp, struct nfsexstuff *toexp)
 {
 	uint32_t *tl;
 	struct nfsvattr at;
 	int cnt, error = 0, ret;
 	off_t inoff, outoff;
 	uint64_t len;
 	size_t xfer;
 	struct nfsstate inst, outst, *instp = &inst, *outstp = &outst;
 	struct nfslock inlo, outlo, *inlop = &inlo, *outlop = &outlo;
 	nfsquad_t clientid;
 	nfsv4stateid_t stateid;
 	nfsattrbit_t attrbits;
 	void *rl_rcookie, *rl_wcookie;
 
 	rl_rcookie = rl_wcookie = NULL;
 	if (nfsrv_maxcopyrange == 0 || nfsrv_devidcnt > 0) {
 		/*
 		 * For a pNFS server, reply NFSERR_NOTSUPP so that the client
 		 * will do the copy via I/O on the DS(s).
 		 * If vfs.nfsd.maxcopyrange set to 0, disable Copy.
 		 */
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 	if (vp == tovp) {
 		/* Copying a byte range within the same file is not allowed. */
 		nd->nd_repstat = NFSERR_INVAL;
 		goto nfsmout;
 	}
 	NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_STATEID + 3 * NFSX_HYPER +
 	    3 * NFSX_UNSIGNED);
 	instp->ls_flags = (NFSLCK_CHECK | NFSLCK_READACCESS);
 	inlop->lo_flags = NFSLCK_READ;
 	instp->ls_ownerlen = 0;
 	instp->ls_op = NULL;
 	instp->ls_uid = nd->nd_cred->cr_uid;
 	instp->ls_stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	clientid.lval[0] = instp->ls_stateid.other[0] = *tl++;
 	clientid.lval[1] = instp->ls_stateid.other[1] = *tl++;
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0)
 		clientid.qval = nd->nd_clientid.qval;
 	instp->ls_stateid.other[2] = *tl++;
 	outstp->ls_flags = (NFSLCK_CHECK | NFSLCK_WRITEACCESS);
 	outlop->lo_flags = NFSLCK_WRITE;
 	outstp->ls_ownerlen = 0;
 	outstp->ls_op = NULL;
 	outstp->ls_uid = nd->nd_cred->cr_uid;
 	outstp->ls_stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	outstp->ls_stateid.other[0] = *tl++;
 	outstp->ls_stateid.other[1] = *tl++;
 	outstp->ls_stateid.other[2] = *tl++;
 	inoff = fxdr_hyper(tl); tl += 2;
 	inlop->lo_first = inoff;
 	outoff = fxdr_hyper(tl); tl += 2;
 	outlop->lo_first = outoff;
 	len = fxdr_hyper(tl); tl += 2;
 	if (len == 0) {
 		/* len == 0 means to EOF. */
 		inlop->lo_end = OFF_MAX;
 		outlop->lo_end = OFF_MAX;
 	} else {
 		inlop->lo_end = inlop->lo_first + len;
 		outlop->lo_end = outlop->lo_first + len;
 	}
 
 	/*
 	 * At this time only consecutive, synchronous copy is supported,
 	 * so ca_consecutive and ca_synchronous can be ignored.
 	 */
 	tl += 2;
 
 	cnt = fxdr_unsigned(int, *tl);
 	if ((nd->nd_flag & ND_DSSERVER) != 0 || cnt != 0)
 		nd->nd_repstat = NFSERR_NOTSUPP;
 	if (nd->nd_repstat == 0 && (inoff > OFF_MAX || outoff > OFF_MAX ||
 	    inlop->lo_end > OFF_MAX || outlop->lo_end > OFF_MAX ||
 	    inlop->lo_end < inlop->lo_first || outlop->lo_end <
 	    outlop->lo_first))
 		nd->nd_repstat = NFSERR_INVAL;
 
 	if (nd->nd_repstat == 0 && vp->v_type != VREG)
 		nd->nd_repstat = NFSERR_WRONGTYPE;
 
 	/* Check permissions for the input file. */
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_OWNER);
 	ret = nfsvno_getattr(vp, &at, nd, curthread, 1, &attrbits);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = ret;
 	if (nd->nd_repstat == 0 && (at.na_uid != nd->nd_cred->cr_uid ||
 	     NFSVNO_EXSTRICTACCESS(exp)))
 		nd->nd_repstat = nfsvno_accchk(vp, VREAD, nd->nd_cred, exp,
 		    curthread, NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED,
 		    NULL);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = nfsrv_lockctrl(vp, &instp, &inlop, NULL,
 		    clientid, &stateid, exp, nd, curthread);
 	NFSVOPUNLOCK(vp);
 	if (nd->nd_repstat != 0)
 		goto out;
 
 	error = NFSVOPLOCK(tovp, LK_SHARED);
 	if (error != 0)
 		goto out;
 	if (tovp->v_type != VREG)
 		nd->nd_repstat = NFSERR_WRONGTYPE;
 
 	/* For the output file, we only need the Owner attribute. */
 	ret = nfsvno_getattr(tovp, &at, nd, curthread, 1, &attrbits);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = ret;
 	if (nd->nd_repstat == 0 && (at.na_uid != nd->nd_cred->cr_uid ||
 	     NFSVNO_EXSTRICTACCESS(exp)))
 		nd->nd_repstat = nfsvno_accchk(tovp, VWRITE, nd->nd_cred, toexp,
 		    curthread, NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED,
 		    NULL);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = nfsrv_lockctrl(tovp, &outstp, &outlop, NULL,
 		    clientid, &stateid, toexp, nd, curthread);
 	NFSVOPUNLOCK(tovp);
 
 	/* Range lock the byte ranges for both invp and outvp. */
 	if (nd->nd_repstat == 0) {
 		for (;;) {
 			if (len == 0) {
 				rl_wcookie = vn_rangelock_wlock(tovp, outoff,
 				    OFF_MAX);
 				rl_rcookie = vn_rangelock_tryrlock(vp, inoff,
 				    OFF_MAX);
 			} else {
 				rl_wcookie = vn_rangelock_wlock(tovp, outoff,
 				    outoff + len);
 				rl_rcookie = vn_rangelock_tryrlock(vp, inoff,
 				    inoff + len);
 			}
 			if (rl_rcookie != NULL)
 				break;
 			vn_rangelock_unlock(tovp, rl_wcookie);
 			if (len == 0)
 				rl_rcookie = vn_rangelock_rlock(vp, inoff,
 				    OFF_MAX);
 			else
 				rl_rcookie = vn_rangelock_rlock(vp, inoff,
 				    inoff + len);
 			vn_rangelock_unlock(vp, rl_rcookie);
 		}
 
 		error = NFSVOPLOCK(vp, LK_SHARED);
 		if (error == 0) {
 			ret = nfsvno_getattr(vp, &at, nd, curthread, 1, NULL);
 			if (ret == 0) {
 				/*
 				 * Since invp is range locked, na_size should
 				 * not change.
 				 */
 				if (len == 0 && at.na_size > inoff) {
 					/*
 					 * If len == 0, set it based on invp's 
 					 * size. If offset is past EOF, just
 					 * leave len == 0.
 					 */
 					len = at.na_size - inoff;
 				} else if (nfsrv_linux42server == 0 &&
 				    inoff + len > at.na_size) {
 					/*
 					 * RFC-7862 says that NFSERR_INVAL must
 					 * be returned when inoff + len exceeds
 					 * the file size, however the NFSv4.2
 					 * Linux client likes to do this, so
 					 * only check if nfsrv_linux42server
 					 * is not set.
 					 */
 					nd->nd_repstat = NFSERR_INVAL;
 				}
 			}
 			NFSVOPUNLOCK(vp);
 			if (ret != 0 && nd->nd_repstat == 0)
 				nd->nd_repstat = ret;
 		} else if (nd->nd_repstat == 0)
 			nd->nd_repstat = error;
 	}
 
 	/*
 	 * Do the actual copy to an upper limit of vfs.nfsd.maxcopyrange.
 	 * This size limit can be set to limit the time a copy RPC will
 	 * take.
 	 */
 	if (len > nfsrv_maxcopyrange)
 		xfer = nfsrv_maxcopyrange;
 	else
 		xfer = len;
 	if (nd->nd_repstat == 0) {
 		nd->nd_repstat = vn_copy_file_range(vp, &inoff, tovp, &outoff,
 		    &xfer, COPY_FILE_RANGE_TIMEO1SEC, nd->nd_cred, nd->nd_cred,
 		    NULL);
 		if (nd->nd_repstat == 0)
 			len = xfer;
 	}
 
 	/* Unlock the ranges. */
 	if (rl_rcookie != NULL)
 		vn_rangelock_unlock(vp, rl_rcookie);
 	if (rl_wcookie != NULL)
 		vn_rangelock_unlock(tovp, rl_wcookie);
 
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, 4 * NFSX_UNSIGNED + NFSX_HYPER +
 		    NFSX_VERF);
 		*tl++ = txdr_unsigned(0);	/* No callback ids. */
 		txdr_hyper(len, tl); tl += 2;
 		*tl++ = txdr_unsigned(NFSWRITE_UNSTABLE);
 		*tl++ = txdr_unsigned(nfsboottime.tv_sec);
 		*tl++ = txdr_unsigned(nfsboottime.tv_usec);
 		*tl++ = newnfs_true;
 		*tl = newnfs_true;
 	}
 out:
 	vrele(vp);
 	vrele(tovp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 nfsmout:
 	vput(vp);
 	vrele(tovp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs clone service
  */
 int
 nfsrvd_clone(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, vnode_t tovp, struct nfsexstuff *exp, struct nfsexstuff *toexp)
 {
 	uint32_t *tl;
 	struct nfsvattr at;
 	int error = 0, ret;
 	off_t inoff, outoff;
 	uint64_t len;
 	size_t xfer;
 	struct nfsstate inst, outst, *instp = &inst, *outstp = &outst;
 	struct nfslock inlo, outlo, *inlop = &inlo, *outlop = &outlo;
 	nfsquad_t clientid;
 	nfsv4stateid_t stateid;
 	nfsattrbit_t attrbits;
 	void *rl_rcookie, *rl_wcookie;
 	long pathval;
 
 	rl_rcookie = rl_wcookie = NULL;
 	pathval = 0;
 	if (nfsrv_maxcopyrange == 0 || nfsrv_devidcnt > 0 ||
 	    VOP_PATHCONF(vp, _PC_CLONE_BLKSIZE, &pathval) != 0 ||
 	    pathval == 0) {
 		/*
 		 * For a pNFS server, reply NFSERR_NOTSUPP so that the client
 		 * will not do the clone and will do I/O on the DS(s).
 		 * If vfs.nfsd.maxcopyrange set to 0, disable Clone.
 		 */
 		nd->nd_repstat = NFSERR_NOTSUPP;
 		goto nfsmout;
 	}
 	NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_STATEID + 3 * NFSX_HYPER);
 	instp->ls_flags = (NFSLCK_CHECK | NFSLCK_READACCESS);
 	inlop->lo_flags = NFSLCK_READ;
 	instp->ls_ownerlen = 0;
 	instp->ls_op = NULL;
 	instp->ls_uid = nd->nd_cred->cr_uid;
 	instp->ls_stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	clientid.lval[0] = instp->ls_stateid.other[0] = *tl++;
 	clientid.lval[1] = instp->ls_stateid.other[1] = *tl++;
 	if ((nd->nd_flag & ND_IMPLIEDCLID) != 0)
 		clientid.qval = nd->nd_clientid.qval;
 	instp->ls_stateid.other[2] = *tl++;
 	outstp->ls_flags = (NFSLCK_CHECK | NFSLCK_WRITEACCESS);
 	outlop->lo_flags = NFSLCK_WRITE;
 	outstp->ls_ownerlen = 0;
 	outstp->ls_op = NULL;
 	outstp->ls_uid = nd->nd_cred->cr_uid;
 	outstp->ls_stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
 	outstp->ls_stateid.other[0] = *tl++;
 	outstp->ls_stateid.other[1] = *tl++;
 	outstp->ls_stateid.other[2] = *tl++;
 	inoff = fxdr_hyper(tl); tl += 2;
 	inlop->lo_first = inoff;
 	outoff = fxdr_hyper(tl); tl += 2;
 	outlop->lo_first = outoff;
 	len = fxdr_hyper(tl);
 	if (len == 0) {
 		/* len == 0 means to EOF. */
 		inlop->lo_end = OFF_MAX;
 		outlop->lo_end = OFF_MAX;
 	} else {
 		inlop->lo_end = inlop->lo_first + len;
 		outlop->lo_end = outlop->lo_first + len;
 	}
 
 	if ((inoff > OFF_MAX || outoff > OFF_MAX ||
 	    inlop->lo_end > OFF_MAX || outlop->lo_end > OFF_MAX ||
 	    inlop->lo_end < inlop->lo_first || outlop->lo_end <
 	    outlop->lo_first))
 		nd->nd_repstat = NFSERR_INVAL;
 
 	if (nd->nd_repstat == 0 && vp->v_type != VREG)
 		nd->nd_repstat = NFSERR_WRONGTYPE;
 
 	/* Check permissions for the input file. */
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_OWNER);
 	ret = nfsvno_getattr(vp, &at, nd, curthread, 1, &attrbits);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = ret;
 	if (nd->nd_repstat == 0 && (at.na_uid != nd->nd_cred->cr_uid ||
 	     NFSVNO_EXSTRICTACCESS(exp)))
 		nd->nd_repstat = nfsvno_accchk(vp, VREAD, nd->nd_cred, exp,
 		    curthread, NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED,
 		    NULL);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = nfsrv_lockctrl(vp, &instp, &inlop, NULL,
 		    clientid, &stateid, exp, nd, curthread);
 	if (vp != tovp) {
 		NFSVOPUNLOCK(vp);
 		if (nd->nd_repstat != 0)
 			goto out;
 
 		error = NFSVOPLOCK(tovp, LK_SHARED);
 		if (error != 0)
 			goto out;
 		pathval = 0;
 		if (VOP_PATHCONF(tovp, _PC_CLONE_BLKSIZE, &pathval) != 0 ||
 		    pathval == 0)
 			nd->nd_repstat = NFSERR_NOTSUPP;
 		else if (tovp->v_type != VREG)
 			nd->nd_repstat = NFSERR_WRONGTYPE;
 	}
 
 	/* For the output file, we only need the Owner attribute. */
 	ret = nfsvno_getattr(tovp, &at, nd, curthread, 1, &attrbits);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = ret;
 	if (nd->nd_repstat == 0 && (at.na_uid != nd->nd_cred->cr_uid ||
 	     NFSVNO_EXSTRICTACCESS(exp)))
 		nd->nd_repstat = nfsvno_accchk(tovp, VWRITE, nd->nd_cred, toexp,
 		    curthread, NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED,
 		    NULL);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = nfsrv_lockctrl(tovp, &outstp, &outlop, NULL,
 		    clientid, &stateid, toexp, nd, curthread);
 	NFSVOPUNLOCK(tovp);
 
 	/* Range lock the byte ranges for both invp and outvp. */
 	if (nd->nd_repstat == 0) {
 		for (;;) {
 			if (len == 0)
 				rl_wcookie = vn_rangelock_wlock(tovp, outoff,
 				    OFF_MAX);
 			else
 				rl_wcookie = vn_rangelock_wlock(tovp, outoff,
 				    outoff + len);
 			if (vp != tovp) {
 				if (len == 0)
 					rl_rcookie = vn_rangelock_tryrlock(vp,
 					    inoff, OFF_MAX);
 				else
 					rl_rcookie = vn_rangelock_tryrlock(vp,
 					    inoff, inoff + len);
 				if (rl_rcookie != NULL)
 					break;
 			} else {
 				rl_rcookie = NULL;
 				break;
 			}
 			vn_rangelock_unlock(tovp, rl_wcookie);
 			if (len == 0)
 				rl_rcookie = vn_rangelock_rlock(vp, inoff,
 				    OFF_MAX);
 			else
 				rl_rcookie = vn_rangelock_rlock(vp, inoff,
 				    inoff + len);
 			vn_rangelock_unlock(vp, rl_rcookie);
 		}
 
 		error = NFSVOPLOCK(vp, LK_SHARED);
 		if (error == 0) {
 			ret = nfsvno_getattr(vp, &at, nd, curthread, 1, NULL);
 			if (ret == 0) {
 				/*
 				 * Since invp is range locked, na_size should
 				 * not change.
 				 */
 				if (len == 0 && at.na_size > inoff)
 					len = SSIZE_MAX;	/* To EOF. */
 				else if (inoff + len > at.na_size)
 					nd->nd_repstat = NFSERR_INVAL;
 			}
 			NFSVOPUNLOCK(vp);
 			if (ret != 0 && nd->nd_repstat == 0)
 				nd->nd_repstat = ret;
 		} else if (nd->nd_repstat == 0)
 			nd->nd_repstat = error;
 	}
 
 	/*
 	 * Do the actual copy to an upper limit of vfs.nfsd.maxcopyrange.
 	 * This size limit can be set to limit the time a copy RPC will
 	 * take.
 	 */
 	xfer = len;
 	if (nd->nd_repstat == 0) {
 		nd->nd_repstat = vn_copy_file_range(vp, &inoff, tovp, &outoff,
 		    &xfer, COPY_FILE_RANGE_CLONE, nd->nd_cred, nd->nd_cred,
 		    NULL);
 		if (nd->nd_repstat == ENOSYS)
 			nd->nd_repstat = NFSERR_INVAL;
 	}
 
 	/* Unlock the ranges. */
 	if (rl_rcookie != NULL)
 		vn_rangelock_unlock(vp, rl_rcookie);
 	if (rl_wcookie != NULL)
 		vn_rangelock_unlock(tovp, rl_wcookie);
 
 out:
 	vrele(vp);
 	vrele(tovp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 nfsmout:
 	vput(vp);
 	vrele(tovp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs seek service
  */
 int
 nfsrvd_seek(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	struct nfsvattr at;
 	int content, error = 0;
 	off_t off;
 	u_long cmd;
 	nfsattrbit_t attrbits;
 	bool eof;
 
 	NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID + NFSX_HYPER + NFSX_UNSIGNED);
 	/* Ignore the stateid for now. */
 	tl += (NFSX_STATEID / NFSX_UNSIGNED);
 	off = fxdr_hyper(tl); tl += 2;
 	content = fxdr_unsigned(int, *tl);
 	if (content == NFSV4CONTENT_DATA)
 		cmd = FIOSEEKDATA;
 	else if (content == NFSV4CONTENT_HOLE)
 		cmd = FIOSEEKHOLE;
 	else
 		nd->nd_repstat = NFSERR_BADXDR;
 	if (nd->nd_repstat == 0 && vp->v_type == VDIR)
 		nd->nd_repstat = NFSERR_ISDIR;
 	if (nd->nd_repstat == 0 && vp->v_type != VREG)
 		nd->nd_repstat = NFSERR_WRONGTYPE;
 	if (nd->nd_repstat == 0 && off < 0)
 		nd->nd_repstat = NFSERR_NXIO;
 	if (nd->nd_repstat == 0) {
 		/* Check permissions for the input file. */
 		NFSZERO_ATTRBIT(&attrbits);
 		NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_OWNER);
 		nd->nd_repstat = nfsvno_getattr(vp, &at, nd, curthread, 1,
 		    &attrbits);
 	}
 	if (nd->nd_repstat == 0 && (at.na_uid != nd->nd_cred->cr_uid ||
 	     NFSVNO_EXSTRICTACCESS(exp)))
 		nd->nd_repstat = nfsvno_accchk(vp, VREAD, nd->nd_cred, exp,
 		    curthread, NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED,
 		    NULL);
 	if (nd->nd_repstat != 0)
 		goto nfsmout;
 
 	/* nfsvno_seek() unlocks and vrele()s the vp. */
 	nd->nd_repstat = nfsvno_seek(nd, vp, cmd, &off, content, &eof,
 	    nd->nd_cred, curthread);
 	if (nd->nd_repstat == 0 && eof && content == NFSV4CONTENT_DATA &&
 	    nfsrv_linux42server != 0)
 		nd->nd_repstat = NFSERR_NXIO;
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED + NFSX_HYPER);
 		if (eof)
 			*tl++ = newnfs_true;
 		else
 			*tl++ = newnfs_false;
 		txdr_hyper(off, tl);
 	}
 	NFSEXITCODE2(error, nd);
 	return (error);
 nfsmout:
 	vput(vp);
 	NFSEXITCODE2(error, nd);
 	return (error);
 }
 
 /*
  * nfs get extended attribute service
  */
 int
 nfsrvd_getxattr(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	struct mbuf *mp = NULL, *mpend = NULL;
 	int error, len;
 	char *name;
 	struct thread *p = curthread;
 	uint16_t off;
 
 	error = 0;
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	len = fxdr_unsigned(int, *tl);
 	if (len <= 0) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	if (len > EXTATTR_MAXNAMELEN) {
 		nd->nd_repstat = NFSERR_NOXATTR;
 		goto nfsmout;
 	}
 	name = malloc(len + 1, M_TEMP, M_WAITOK);
 	nd->nd_repstat = nfsrv_mtostr(nd, name, len);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = nfsvno_getxattr(vp, name,
 		    nd->nd_maxresp, nd->nd_cred, nd->nd_flag,
 		    nd->nd_maxextsiz, p, &mp, &mpend, &len);
 	if (nd->nd_repstat == ENOATTR)
 		nd->nd_repstat = NFSERR_NOXATTR;
 	else if (nd->nd_repstat == EOPNOTSUPP)
 		nd->nd_repstat = NFSERR_NOTSUPP;
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 		*tl = txdr_unsigned(len);
 		if (len > 0) {
 			nd->nd_mb->m_next = mp;
 			nd->nd_mb = mpend;
 			if ((mpend->m_flags & M_EXTPG) != 0) {
 				nd->nd_flag |= ND_EXTPG;
 				nd->nd_bextpg = mpend->m_epg_npgs - 1;
 				nd->nd_bpos = (char *)(void *)
 				   PHYS_TO_DMAP(mpend->m_epg_pa[nd->nd_bextpg]);
 				off = (nd->nd_bextpg == 0) ?
 				    mpend->m_epg_1st_off : 0;
 				nd->nd_bpos += off + mpend->m_epg_last_len;
 				nd->nd_bextpgsiz = PAGE_SIZE -
 				    mpend->m_epg_last_len - off;
 			} else
 				nd->nd_bpos = mtod(mpend, char *) +
 				    mpend->m_len;
 		}
 	}
 	free(name, M_TEMP);
 
 nfsmout:
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = error;
 	vput(vp);
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
 
 /*
  * nfs set extended attribute service
  */
 int
 nfsrvd_setxattr(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	struct nfsvattr ova, nva;
 	nfsattrbit_t attrbits;
 	int error, len, opt;
 	char *name;
 	size_t siz;
 	struct thread *p = curthread;
 
 	error = 0;
 	name = NULL;
 	NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
 	opt = fxdr_unsigned(int, *tl++);
 	len = fxdr_unsigned(int, *tl);
 	if (len <= 0) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	if (len > EXTATTR_MAXNAMELEN) {
 		nd->nd_repstat = NFSERR_NOXATTR;
 		goto nfsmout;
 	}
 	name = malloc(len + 1, M_TEMP, M_WAITOK);
 	error = nfsrv_mtostr(nd, name, len);
 	if (error != 0)
 		goto nfsmout;
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	len = fxdr_unsigned(int, *tl);
 	if (len < 0 || len > IOSIZE_MAX) {
 		nd->nd_repstat = NFSERR_XATTR2BIG;
 		goto nfsmout;
 	}
 	switch (opt) {
 	case NFSV4SXATTR_CREATE:
 		error = VOP_GETEXTATTR(vp, EXTATTR_NAMESPACE_USER, name, NULL,
 		    &siz, nd->nd_cred, p);
 		if (error != ENOATTR)
 			nd->nd_repstat = NFSERR_EXIST;
 		error = 0;
 		break;
 	case NFSV4SXATTR_REPLACE:
 		error = VOP_GETEXTATTR(vp, EXTATTR_NAMESPACE_USER, name, NULL,
 		    &siz, nd->nd_cred, p);
 		if (error != 0)
 			nd->nd_repstat = NFSERR_NOXATTR;
 		break;
 	case NFSV4SXATTR_EITHER:
 		break;
 	default:
 		nd->nd_repstat = NFSERR_BADXDR;
 	}
 	if (nd->nd_repstat != 0)
 		goto nfsmout;
 
 	/* Now, do the Set Extended attribute, with Change before and after. */
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE);
 	nd->nd_repstat = nfsvno_getattr(vp, &ova, nd, p, 1, &attrbits);
 	if (nd->nd_repstat == 0) {
 		nd->nd_repstat = nfsvno_setxattr(vp, name, len, nd->nd_md,
 		    nd->nd_dpos, nd->nd_cred, p);
 		if (nd->nd_repstat == ENXIO)
 			nd->nd_repstat = NFSERR_XATTR2BIG;
 	}
 	if (nd->nd_repstat == 0 && len > 0)
 		nd->nd_repstat = nfsm_advance(nd, NFSM_RNDUP(len), -1);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, &attrbits);
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_UNSIGNED);
 		*tl++ = newnfs_true;
 		txdr_hyper(ova.na_filerev, tl); tl += 2;
 		txdr_hyper(nva.na_filerev, tl);
 	}
 
 nfsmout:
 	free(name, M_TEMP);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = error;
 	vput(vp);
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
 
 /*
  * nfs remove extended attribute service
  */
 int
 nfsrvd_rmxattr(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t *tl;
 	struct nfsvattr ova, nva;
 	nfsattrbit_t attrbits;
 	int error, len;
 	char *name;
 	struct thread *p = curthread;
 
 	error = 0;
 	name = NULL;
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
 	len = fxdr_unsigned(int, *tl);
 	if (len <= 0) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	if (len > EXTATTR_MAXNAMELEN) {
 		nd->nd_repstat = NFSERR_NOXATTR;
 		goto nfsmout;
 	}
 	name = malloc(len + 1, M_TEMP, M_WAITOK);
 	error = nfsrv_mtostr(nd, name, len);
 	if (error != 0)
 		goto nfsmout;
 
 	if ((nd->nd_flag & ND_IMPLIEDCLID) == 0) {
 		printf("EEK! nfsrvd_rmxattr: no implied clientid\n");
 		error = NFSERR_NOXATTR;
 		goto nfsmout;
 	}
 	/*
 	 * Now, do the Remove Extended attribute, with Change before and
 	 * after.
 	*/
 	NFSZERO_ATTRBIT(&attrbits);
 	NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE);
 	nd->nd_repstat = nfsvno_getattr(vp, &ova, nd, p, 1, &attrbits);
 	if (nd->nd_repstat == 0) {
 		nd->nd_repstat = nfsvno_rmxattr(nd, vp, name, nd->nd_cred, p);
 		if (nd->nd_repstat == ENOATTR)
 			nd->nd_repstat = NFSERR_NOXATTR;
 	}
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, &attrbits);
 	if (nd->nd_repstat == 0) {
 		NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_UNSIGNED);
 		*tl++ = newnfs_true;
 		txdr_hyper(ova.na_filerev, tl); tl += 2;
 		txdr_hyper(nva.na_filerev, tl);
 	}
 
 nfsmout:
 	free(name, M_TEMP);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = error;
 	vput(vp);
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
 
 /*
  * nfs list extended attribute service
  */
 int
 nfsrvd_listxattr(struct nfsrv_descript *nd, __unused int isdgram,
     vnode_t vp, __unused struct nfsexstuff *exp)
 {
 	uint32_t cnt, *tl, len, len2, i, pos, retlen;
 	int error;
 	uint64_t cookie, cookie2;
 	u_char *buf;
 	bool eof;
 	struct thread *p = curthread;
 
 	error = 0;
 	buf = NULL;
 	NFSM_DISSECT(tl, uint32_t *, NFSX_HYPER + NFSX_UNSIGNED);
 	/*
 	 * The cookie doesn't need to be in net byte order, but FreeBSD
 	 * does so to make it more readable in packet traces.
 	 */
 	cookie = fxdr_hyper(tl); tl += 2;
 	len = fxdr_unsigned(uint32_t, *tl);
 	if (len == 0 || cookie >= IOSIZE_MAX) {
 		nd->nd_repstat = NFSERR_BADXDR;
 		goto nfsmout;
 	}
 	if (len > nd->nd_maxresp - NFS_MAXXDR)
 		len = nd->nd_maxresp - NFS_MAXXDR;
 	len2 = len;
 	nd->nd_repstat = nfsvno_listxattr(vp, cookie, nd->nd_cred, p, &buf,
 	    &len, &eof);
 	if (nd->nd_repstat == EOPNOTSUPP)
 		nd->nd_repstat = NFSERR_NOTSUPP;
 	if (nd->nd_repstat == 0) {
 		cookie2 = cookie + len;
 		if (cookie2 < cookie)
 			nd->nd_repstat = NFSERR_BADXDR;
 	}
 	retlen = NFSX_HYPER + 2 * NFSX_UNSIGNED;
 	if (nd->nd_repstat == 0 && len2 < retlen)
 		nd->nd_repstat = NFSERR_TOOSMALL;
 	if (nd->nd_repstat == 0) {
 		/* Now copy the entries out. */
 		if (len == 0) {
 			/* The cookie was at eof. */
 			NFSM_BUILD(tl, uint32_t *, NFSX_HYPER + 2 *
 			    NFSX_UNSIGNED);
 			txdr_hyper(cookie2, tl); tl += 2;
 			*tl++ = txdr_unsigned(0);
 			*tl = newnfs_true;
 			goto nfsmout;
 		}
 
 		/* Sanity check the cookie. */
 		for (pos = 0; pos < len; pos += (i + 1)) {
 			if (pos == cookie)
 				break;
 			i = buf[pos];
 		}
 		if (pos != cookie) {
 			nd->nd_repstat = NFSERR_INVAL;
 			goto nfsmout;
 		}
 
 		/* Loop around copying the entrie(s) out. */
 		cnt = 0;
 		len -= cookie;
 		i = buf[pos];
 		while (i < len && len2 >= retlen + NFSM_RNDUP(i) +
 		    NFSX_UNSIGNED) {
 			if (cnt == 0) {
 				NFSM_BUILD(tl, uint32_t *, NFSX_HYPER +
 				    NFSX_UNSIGNED);
 				txdr_hyper(cookie2, tl); tl += 2;
 			}
 			retlen += nfsm_strtom(nd, &buf[pos + 1], i);
 			len -= (i + 1);
 			pos += (i + 1);
 			i = buf[pos];
 			cnt++;
 		}
 		/*
 		 * eof is set true/false by nfsvno_listxattr(), but if we
 		 * can't copy all entries returned by nfsvno_listxattr(),
 		 * we are not at eof.
 		 */
 		if (len > 0)
 			eof = false;
 		if (cnt > 0) {
 			/* *tl is set above. */
 			*tl = txdr_unsigned(cnt);
 			NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
 			if (eof)
 				*tl = newnfs_true;
 			else
 				*tl = newnfs_false;
 		} else
 			nd->nd_repstat = NFSERR_TOOSMALL;
 	}
 
 nfsmout:
 	free(buf, M_TEMP);
 	if (nd->nd_repstat == 0)
 		nd->nd_repstat = error;
 	vput(vp);
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
 
 /*
  * nfsv4 service not supported
  */
 int
 nfsrvd_notsupp(struct nfsrv_descript *nd, __unused int isdgram,
     __unused vnode_t vp, __unused struct nfsexstuff *exp)
 {
 
 	nd->nd_repstat = NFSERR_NOTSUPP;
 	NFSEXITCODE2(0, nd);
 	return (0);
 }
diff --git a/sys/fs/nfsserver/nfs_nfsdsocket.c b/sys/fs/nfsserver/nfs_nfsdsocket.c
index 636c4735a131..201f3b74b946 100644
--- a/sys/fs/nfsserver/nfs_nfsdsocket.c
+++ b/sys/fs/nfsserver/nfs_nfsdsocket.c
@@ -1,1436 +1,1436 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed to Berkeley by
  * Rick Macklem at The University of Guelph.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  */
 
 #include <sys/cdefs.h>
 /*
  * Socket operations for use by the nfs server.
  */
 
 #include <fs/nfs/nfsport.h>
 
 #include <security/mac/mac_framework.h>
 
 extern struct nfsrvfh nfs_pubfh;
 extern int nfs_pubfhset;
 extern struct nfsv4lock nfsv4rootfs_lock;
 extern int nfsrv_clienthashsize;
 extern int nfsd_debuglevel;
 extern int nfsrv_layouthighwater;
 extern volatile int nfsrv_layoutcnt;
 NFSV4ROOTLOCKMUTEX;
 NFSSTATESPINLOCK;
 
 NFSD_VNET_DECLARE(struct nfsrv_stablefirst, nfsrv_stablefirst);
 NFSD_VNET_DECLARE(struct nfsclienthashhead *, nfsclienthash);
 NFSD_VNET_DECLARE(int, nfsrc_floodlevel);
 NFSD_VNET_DECLARE(int, nfsrc_tcpsavedreplies);
 NFSD_VNET_DECLARE(struct nfsrvfh, nfs_rootfh);
 NFSD_VNET_DECLARE(int, nfs_rootfhset);
 NFSD_VNET_DECLARE(struct nfsstatsv1 *, nfsstatsv1_p);
 
 int (*nfsrv3_procs0[NFS_V3NPROCS])(struct nfsrv_descript *,
     int, vnode_t , struct nfsexstuff *) = {
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_getattr,
 	nfsrvd_setattr,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_access,
 	nfsrvd_readlink,
 	nfsrvd_read,
 	nfsrvd_write,
 	nfsrvd_create,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_remove,
 	nfsrvd_remove,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_readdir,
 	nfsrvd_readdirplus,
 	nfsrvd_statfs,
 	nfsrvd_fsinfo,
 	nfsrvd_pathconf,
 	nfsrvd_commit,
 };
 
 int (*nfsrv3_procs1[NFS_V3NPROCS])(struct nfsrv_descript *,
     int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *) = {
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	nfsrvd_lookup,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	nfsrvd_mkdir,
 	nfsrvd_symlink,
 	nfsrvd_mknod,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 };
 
 int (*nfsrv3_procs2[NFS_V3NPROCS])(struct nfsrv_descript *,
     int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *) = {
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	nfsrvd_rename,
 	nfsrvd_link,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 };
 
 int (*nfsrv4_ops0[NFSV42_NOPS])(struct nfsrv_descript *,
     int, vnode_t , struct nfsexstuff *) = {
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_access,
 	nfsrvd_close,
 	nfsrvd_commit,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_delegpurge,
 	nfsrvd_delegreturn,
 	nfsrvd_getattr,
 	nfsrvd_getfh,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_lock,
 	nfsrvd_lockt,
 	nfsrvd_locku,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_verify,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_openconfirm,
 	nfsrvd_opendowngrade,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_read,
 	nfsrvd_readdirplus,
 	nfsrvd_readlink,
 	nfsrvd_remove,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_renew,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_secinfo,
 	nfsrvd_setattr,
 	nfsrvd_setclientid,
 	nfsrvd_setclientidcfrm,
 	nfsrvd_verify,
 	nfsrvd_write,
 	nfsrvd_releaselckown,
 	nfsrvd_notsupp,
 	nfsrvd_bindconnsess,
 	nfsrvd_exchangeid,
 	nfsrvd_createsession,
 	nfsrvd_destroysession,
 	nfsrvd_freestateid,
 	nfsrvd_notsupp,
 	nfsrvd_getdevinfo,
 	nfsrvd_notsupp,
 	nfsrvd_layoutcommit,
 	nfsrvd_layoutget,
 	nfsrvd_layoutreturn,
 	nfsrvd_secinfononame,
 	nfsrvd_sequence,
 	nfsrvd_notsupp,
 	nfsrvd_teststateid,
 	nfsrvd_notsupp,
 	nfsrvd_destroyclientid,
 	nfsrvd_reclaimcomplete,
 	nfsrvd_allocate,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , struct nfsexstuff *))0,
 	nfsrvd_notsupp,
 	nfsrvd_deallocate,
 	nfsrvd_ioadvise,
 	nfsrvd_layouterror,
 	nfsrvd_layoutstats,
 	nfsrvd_notsupp,
 	nfsrvd_notsupp,
 	nfsrvd_notsupp,
 	nfsrvd_seek,
 	nfsrvd_notsupp,
 	nfsrvd_notsupp,
 	nfsrvd_getxattr,
 	nfsrvd_setxattr,
 	nfsrvd_listxattr,
 	nfsrvd_rmxattr,
 };
 
 int (*nfsrv4_ops1[NFSV42_NOPS])(struct nfsrv_descript *,
     int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *) = {
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	nfsrvd_mknod,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	nfsrvd_lookup,
 	nfsrvd_lookup,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	nfsrvd_open,
 	nfsrvd_openattr,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, struct nfsexstuff *))0,
 };
 
 int (*nfsrv4_ops2[NFSV42_NOPS])(struct nfsrv_descript *,
     int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *) = {
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	nfsrvd_link,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	nfsrvd_rename,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	nfsrvd_copy_file_range,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	nfsrvd_clone,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 	(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , struct nfsexstuff *, struct nfsexstuff *))0,
 };
 
 /*
  * Static array that defines which nfs rpc's are nonidempotent
  */
 static int nfsrv_nonidempotent[NFS_V3NPROCS] = {
 	FALSE,
 	FALSE,
 	TRUE,
 	FALSE,
 	FALSE,
 	FALSE,
 	FALSE,
 	TRUE,
 	TRUE,
 	TRUE,
 	TRUE,
 	TRUE,
 	TRUE,
 	TRUE,
 	TRUE,
 	TRUE,
 	FALSE,
 	FALSE,
 	FALSE,
 	FALSE,
 	FALSE,
 	FALSE,
 };
 
 /*
  * This static array indicates whether or not the RPC modifies the
  * file system.
  */
 int nfsrv_writerpc[NFS_NPROCS] = { 0, 0, 1, 0, 0, 0, 0,
     1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
 
 SYSCTL_DECL(_vfs_nfsd);
 static int	nfs_minminorv4 = NFSV4_MINORVERSION;
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, server_min_minorversion4, CTLFLAG_RWTUN,
     &nfs_minminorv4, 0,
     "The lowest minor version of NFSv4 handled by the server");
 
 static int	nfs_maxminorv4 = NFSV42_MINORVERSION;
 SYSCTL_INT(_vfs_nfsd, OID_AUTO, server_max_minorversion4, CTLFLAG_RWTUN,
     &nfs_maxminorv4, 0,
     "The highest minor version of NFSv4 handled by the server");
 
 /* local functions */
 static void nfsrvd_compound(struct nfsrv_descript *nd, int isdgram,
     u_char *tag, int taglen, u_int32_t minorvers);
 
 /*
  * This static array indicates which server procedures require the extra
  * arguments to return the current file handle for V2, 3.
  */
 static int nfs_retfh[NFS_V3NPROCS] = { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1,
 	1, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0 };
 
 extern struct nfsv4_opflag nfsv4_opflag[NFSV42_NOPS];
 
 static int nfsv3to4op[NFS_V3NPROCS] = {
 	NFSPROC_NULL,
 	NFSV4OP_GETATTR,
 	NFSV4OP_SETATTR,
 	NFSV4OP_LOOKUP,
 	NFSV4OP_ACCESS,
 	NFSV4OP_READLINK,
 	NFSV4OP_READ,
 	NFSV4OP_WRITE,
 	NFSV4OP_V3CREATE,
 	NFSV4OP_MKDIR,
 	NFSV4OP_SYMLINK,
 	NFSV4OP_MKNOD,
 	NFSV4OP_REMOVE,
 	NFSV4OP_RMDIR,
 	NFSV4OP_RENAME,
 	NFSV4OP_LINK,
 	NFSV4OP_READDIR,
 	NFSV4OP_READDIRPLUS,
 	NFSV4OP_FSSTAT,
 	NFSV4OP_FSINFO,
 	NFSV4OP_PATHCONF,
 	NFSV4OP_COMMIT,
 };
 
 static struct mtx nfsrvd_statmtx;
 MTX_SYSINIT(nfsst, &nfsrvd_statmtx, "NFSstat", MTX_DEF);
 
 static struct ucred *nfsrv_createrootcred(void);
 
 static void
 nfsrvd_statstart(int op, struct bintime *now)
 {
 	if (op > (NFSV42_NOPS + NFSV4OP_FAKENOPS)) {
 		printf("%s: op %d invalid\n", __func__, op);
 		return;
 	}
 
 	mtx_lock(&nfsrvd_statmtx);
 	if (NFSD_VNET(nfsstatsv1_p)->srvstartcnt ==
 	    NFSD_VNET(nfsstatsv1_p)->srvdonecnt) {
 		if (now != NULL)
 			NFSD_VNET(nfsstatsv1_p)->busyfrom = *now;
 		else
 			binuptime(&NFSD_VNET(nfsstatsv1_p)->busyfrom);
 		
 	}
 	NFSD_VNET(nfsstatsv1_p)->srvrpccnt[op]++;
 	NFSD_VNET(nfsstatsv1_p)->srvstartcnt++;
 	mtx_unlock(&nfsrvd_statmtx);
 
 }
 
 static void
 nfsrvd_statend(int op, uint64_t bytes, struct bintime *now,
     struct bintime *then)
 {
 	struct bintime dt, lnow;
 
 	if (op > (NFSV42_NOPS + NFSV4OP_FAKENOPS)) {
 		printf("%s: op %d invalid\n", __func__, op);
 		return;
 	}
 
 	if (now == NULL) {
 		now = &lnow;
 		binuptime(now);
 	}
 
 	mtx_lock(&nfsrvd_statmtx);
 
 	NFSD_VNET(nfsstatsv1_p)->srvbytes[op] += bytes;
 	NFSD_VNET(nfsstatsv1_p)->srvops[op]++;
 
 	if (then != NULL) {
 		dt = *now;
 		bintime_sub(&dt, then);
 		bintime_add(&NFSD_VNET(nfsstatsv1_p)->srvduration[op], &dt);
 	}
 
 	dt = *now;
 	bintime_sub(&dt, &NFSD_VNET(nfsstatsv1_p)->busyfrom);
 	bintime_add(&NFSD_VNET(nfsstatsv1_p)->busytime, &dt);
 	NFSD_VNET(nfsstatsv1_p)->busyfrom = *now;
 
 	NFSD_VNET(nfsstatsv1_p)->srvdonecnt++;
 
 	mtx_unlock(&nfsrvd_statmtx);
 }
 
 /*
  * Do an RPC. Basically, get the file handles translated to vnode pointers
  * and then call the appropriate server routine. The server routines are
  * split into groups, based on whether they use a file handle or file
  * handle plus name or ...
  * The NFS V4 Compound RPC is performed separately by nfsrvd_compound().
  */
 void
 nfsrvd_dorpc(struct nfsrv_descript *nd, int isdgram, u_char *tag, int taglen,
     u_int32_t minorvers)
 {
 	int error = 0, lktype;
 	vnode_t vp;
 	mount_t mp;
 	struct nfsrvfh fh;
 	struct nfsexstuff nes;
 	struct mbuf *md;
 	char *dpos;
 
 	/*
 	 * Save the current position in the request mbuf list so
 	 * that a rollback to this location can be done upon an
 	 * ERELOOKUP error return from an RPC function.
 	 */
 	md = nd->nd_md;
 	dpos = nd->nd_dpos;
 tryagain:
 	mp = NULL;
 
 	/*
 	 * Get a locked vnode for the first file handle
 	 */
 	if (!(nd->nd_flag & ND_NFSV4)) {
 		KASSERT(nd->nd_repstat == 0, ("nfsrvd_dorpc"));
 		/*
 		 * For NFSv3, if the malloc/mget allocation is near limits,
 		 * return NFSERR_DELAY.
 		 */
 		if ((nd->nd_flag & ND_NFSV3) && nfsrv_mallocmget_limit()) {
 			nd->nd_repstat = NFSERR_DELAY;
 			vp = NULL;
 		} else {
 			error = nfsrv_mtofh(nd, &fh);
 			if (error) {
 				if (error != EBADRPC)
 					printf("nfs dorpc err1=%d\n", error);
 				nd->nd_repstat = NFSERR_GARBAGE;
 				goto out;
 			}
 			if (nd->nd_procnum == NFSPROC_READ ||
 			    nd->nd_procnum == NFSPROC_WRITE ||
 			    nd->nd_procnum == NFSPROC_READDIR ||
 			    nd->nd_procnum == NFSPROC_READDIRPLUS ||
 			    nd->nd_procnum == NFSPROC_READLINK ||
 			    nd->nd_procnum == NFSPROC_GETATTR ||
 			    nd->nd_procnum == NFSPROC_ACCESS ||
 			    nd->nd_procnum == NFSPROC_FSSTAT ||
 			    nd->nd_procnum == NFSPROC_FSINFO)
 				lktype = LK_SHARED;
 			else
 				lktype = LK_EXCLUSIVE;
 			if (nd->nd_flag & ND_PUBLOOKUP)
 				nfsd_fhtovp(nd, &nfs_pubfh, lktype, &vp, &nes,
 				    &mp, nfsrv_writerpc[nd->nd_procnum], -1);
 			else
 				nfsd_fhtovp(nd, &fh, lktype, &vp, &nes,
 				    &mp, nfsrv_writerpc[nd->nd_procnum], -1);
 			if (nd->nd_repstat == NFSERR_PROGNOTV4)
 				goto out;
 		}
 	}
 
 	/*
 	 * For V2 and 3, set the ND_SAVEREPLY flag for the recent request
 	 * cache, as required.
 	 * For V4, nfsrvd_compound() does this.
 	 */
 	if (!(nd->nd_flag & ND_NFSV4) && nfsrv_nonidempotent[nd->nd_procnum])
 		nd->nd_flag |= ND_SAVEREPLY;
 
 	nfsrvd_rephead(nd);
 	/*
 	 * If nd_repstat is non-zero, just fill in the reply status
 	 * to complete the RPC reply for V2. Otherwise, you must do
 	 * the RPC.
 	 */
 	if (nd->nd_repstat && (nd->nd_flag & ND_NFSV2)) {
 		*nd->nd_errp = nfsd_errmap(nd);
 		nfsrvd_statstart(nfsv3to4op[nd->nd_procnum], /*now*/ NULL);
 		nfsrvd_statend(nfsv3to4op[nd->nd_procnum], /*bytes*/ 0,
 		   /*now*/ NULL, /*then*/ NULL);
 		vn_finished_write(mp);
 		goto out;
 	}
 
 	/*
 	 * Now the procedure can be performed. For V4, nfsrvd_compound()
 	 * works through the sub-rpcs, otherwise just call the procedure.
 	 * The procedures are in three groups with different arguments.
 	 * The group is indicated by the value in nfs_retfh[].
 	 */
 	if (nd->nd_flag & ND_NFSV4) {
 		nfsrvd_compound(nd, isdgram, tag, taglen, minorvers);
 	} else {
 		struct bintime start_time;
 
 		binuptime(&start_time);
 		nfsrvd_statstart(nfsv3to4op[nd->nd_procnum], &start_time);
 
 		if (nfs_retfh[nd->nd_procnum] == 1) {
 			if (vp)
 				NFSVOPUNLOCK(vp);
 			error = (*(nfsrv3_procs1[nd->nd_procnum]))(nd, isdgram,
 			    vp, NULL, (fhandle_t *)fh.nfsrvfh_data, &nes);
 		} else if (nfs_retfh[nd->nd_procnum] == 2) {
 			error = (*(nfsrv3_procs2[nd->nd_procnum]))(nd, isdgram,
 			    vp, NULL, &nes, NULL);
 		} else {
 			error = (*(nfsrv3_procs0[nd->nd_procnum]))(nd, isdgram,
 			    vp, &nes);
 		}
 		vn_finished_write(mp);
 
 		if (error == 0 && nd->nd_repstat == ERELOOKUP) {
 			/*
 			 * Roll back to the beginning of the RPC request
 			 * arguments.
 			 */
 			nd->nd_md = md;
 			nd->nd_dpos = dpos;
 
 			/* Free the junk RPC reply and redo the RPC. */
 			m_freem(nd->nd_mreq);
 			nd->nd_mreq = nd->nd_mb = NULL;
 			nd->nd_repstat = 0;
 			goto tryagain;
 		}
 
 		nfsrvd_statend(nfsv3to4op[nd->nd_procnum], /*bytes*/ 0,
 		    /*now*/ NULL, /*then*/ &start_time);
 	}
 	if (error) {
 		if (error != EBADRPC)
 			printf("nfs dorpc err2=%d\n", error);
 		nd->nd_repstat = NFSERR_GARBAGE;
 	}
 	*nd->nd_errp = nfsd_errmap(nd);
 
 	/*
 	 * Don't cache certain reply status values.
 	 */
 	if (nd->nd_repstat && (nd->nd_flag & ND_SAVEREPLY) &&
 	    (nd->nd_repstat == NFSERR_GARBAGE ||
 	     nd->nd_repstat == NFSERR_BADXDR ||
 	     nd->nd_repstat == NFSERR_MOVED ||
 	     nd->nd_repstat == NFSERR_DELAY ||
 	     nd->nd_repstat == NFSERR_BADSEQID ||
 	     nd->nd_repstat == NFSERR_RESOURCE ||
 	     nd->nd_repstat == NFSERR_SERVERFAULT ||
 	     nd->nd_repstat == NFSERR_STALECLIENTID ||
 	     nd->nd_repstat == NFSERR_STALESTATEID ||
 	     nd->nd_repstat == NFSERR_OLDSTATEID ||
 	     nd->nd_repstat == NFSERR_BADSTATEID ||
 	     nd->nd_repstat == NFSERR_GRACE ||
 	     nd->nd_repstat == NFSERR_NOGRACE))
 		nd->nd_flag &= ~ND_SAVEREPLY;
 
 out:
 	NFSEXITCODE2(0, nd);
 }
 
 /*
  * Breaks down a compound RPC request and calls the server routines for
  * the subprocedures.
  * Some suboperations are performed directly here to simplify file handle<-->
  * vnode pointer handling.
  */
 static void
 nfsrvd_compound(struct nfsrv_descript *nd, int isdgram, u_char *tag,
     int taglen, u_int32_t minorvers)
 {
 	int i, lktype, op, op0 = 0, rstat, statsinprog = 0;
 	u_int32_t *tl;
 	struct nfsclient *clp, *nclp;
 	int error = 0, igotlock, nextop, numops, savefhcnt;
 	u_int32_t retops = 0, *retopsp = NULL, *repp;
 	vnode_t vp, nvp, savevp;
 	struct nfsrvfh fh;
 	mount_t new_mp, temp_mp = NULL;
 	struct ucred *credanon, *rootcred, *savecred;
 	struct nfsexstuff nes, vpnes, savevpnes;
 	fsid_t cur_fsid, save_fsid;
 	static u_int64_t compref = 0;
 	struct bintime start_time;
 	struct thread *p;
 	struct mbuf *mb, *md;
 	char *bpos, *dpos;
 	int bextpg, bextpgsiz;
 
 	p = curthread;
 	rootcred = savecred = NULL;
 
 	/* Check for and optionally clear the no space flags for DSs. */
 	nfsrv_checknospc();
 
 	NFSVNO_EXINIT(&vpnes);
 	NFSVNO_EXINIT(&savevpnes);
 	/*
 	 * Put the seq# of the current compound RPC in nfsrv_descript.
 	 * (This is used by nfsrv_checkgetattr(), to see if the write
 	 *  delegation was created by the same compound RPC as the one
 	 *  with that Getattr in it.)
 	 * Don't worry about the 64bit number wrapping around. It ain't
 	 * gonna happen before this server gets shut down/rebooted.
 	 */
 	nd->nd_compref = compref++;
 
 	/*
 	 * Check for and optionally get a lock on the root. This lock means that
 	 * no nfsd will be fiddling with the V4 file system and state stuff. It
 	 * is required when the V4 root is being changed, the stable storage
 	 * restart file is being updated, or callbacks are being done.
 	 * When any of the nfsd are processing an NFSv4 compound RPC, they must
 	 * either hold a reference count (nfs_usecnt) or the lock. When
 	 * nfsrv_unlock() is called to release the lock, it can optionally
 	 * also get a reference count, which saves the need for a call to
 	 * nfsrv_getref() after nfsrv_unlock().
 	 */
 	/*
 	 * First, check to see if we need to wait for an update lock.
 	 */
 	igotlock = 0;
 	NFSLOCKV4ROOTMUTEX();
 	if (NFSD_VNET(nfsrv_stablefirst).nsf_flags & NFSNSF_NEEDLOCK)
 		igotlock = nfsv4_lock(&nfsv4rootfs_lock, 1, NULL,
 		    NFSV4ROOTLOCKMUTEXPTR, NULL);
 	else
 		igotlock = nfsv4_lock(&nfsv4rootfs_lock, 0, NULL,
 		    NFSV4ROOTLOCKMUTEXPTR, NULL);
 	NFSUNLOCKV4ROOTMUTEX();
 	if (igotlock) {
 		/*
 		 * If I got the lock, I can update the stable storage file.
 		 * Done when the grace period is over or a client has long
 		 * since expired.
 		 */
 		NFSD_VNET(nfsrv_stablefirst).nsf_flags &= ~NFSNSF_NEEDLOCK;
 		if ((NFSD_VNET(nfsrv_stablefirst).nsf_flags &
 		    (NFSNSF_GRACEOVER | NFSNSF_UPDATEDONE)) == NFSNSF_GRACEOVER)
 			nfsrv_updatestable(p);
 
 		/*
 		 * If at least one client has long since expired, search
 		 * the client list for them, write a REVOKE record on the
 		 * stable storage file and then remove them from the client
 		 * list.
 		 */
 		if (NFSD_VNET(nfsrv_stablefirst).nsf_flags &
 		    NFSNSF_EXPIREDCLIENT) {
 			NFSD_VNET(nfsrv_stablefirst).nsf_flags &=
 			    ~NFSNSF_EXPIREDCLIENT;
 			for (i = 0; i < nfsrv_clienthashsize; i++) {
 			    LIST_FOREACH_SAFE(clp, &NFSD_VNET(nfsclienthash)[i],
 				lc_hash, nclp) {
 				if (clp->lc_flags & LCL_EXPIREIT) {
 				    if (!LIST_EMPTY(&clp->lc_open) ||
 					!LIST_EMPTY(&clp->lc_deleg))
 					nfsrv_writestable(clp->lc_id,
 					    clp->lc_idlen, NFSNST_REVOKE, p);
 				    nfsrv_cleanclient(clp, p, false, NULL);
 				    nfsrv_freedeleglist(&clp->lc_deleg);
 				    nfsrv_freedeleglist(&clp->lc_olddeleg);
 				    LIST_REMOVE(clp, lc_hash);
 				    nfsrv_zapclient(clp, p);
 				}
 			    }
 			}
 		}
 		NFSLOCKV4ROOTMUTEX();
 		nfsv4_unlock(&nfsv4rootfs_lock, 1);
 		NFSUNLOCKV4ROOTMUTEX();
 	} else {
 		/*
 		 * If we didn't get the lock, we need to get a refcnt,
 		 * which also checks for and waits for the lock.
 		 */
 		NFSLOCKV4ROOTMUTEX();
 		nfsv4_getref(&nfsv4rootfs_lock, NULL,
 		    NFSV4ROOTLOCKMUTEXPTR, NULL);
 		NFSUNLOCKV4ROOTMUTEX();
 	}
 
 	/*
 	 * If flagged, search for open owners that haven't had any opens
 	 * for a long time.
 	 */
 	if (NFSD_VNET(nfsrv_stablefirst).nsf_flags & NFSNSF_NOOPENS) {
 		nfsrv_throwawayopens(p);
 	}
 
 	/* Do a CBLAYOUTRECALL callback if over the high water mark. */
 	if (nfsrv_layoutcnt > nfsrv_layouthighwater)
 		nfsrv_recalloldlayout(p);
 
 	savevp = vp = NULL;
 	save_fsid.val[0] = save_fsid.val[1] = 0;
 	cur_fsid.val[0] = cur_fsid.val[1] = 0;
 	nextop = -1;
 	savefhcnt = 0;
 
 	/* If taglen < 0, there was a parsing error in nfsd_getminorvers(). */
 	if (taglen < 0) {
 		error = EBADRPC;
 		goto nfsmout;
 	}
 
 	(void) nfsm_strtom(nd, tag, taglen);
 	NFSM_BUILD(retopsp, u_int32_t *, NFSX_UNSIGNED);
 	NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 	if ((minorvers != NFSV4_MINORVERSION &&
 	    minorvers != NFSV41_MINORVERSION &&
 	    minorvers != NFSV42_MINORVERSION) ||
 	    minorvers < nfs_minminorv4 || minorvers > nfs_maxminorv4)
 		nd->nd_repstat = NFSERR_MINORVERMISMATCH;
 	if (nd->nd_repstat)
 		numops = 0;
 	else
 		numops = fxdr_unsigned(int, *tl);
 	/*
 	 * Loop around doing the sub ops.
 	 * vp - is an unlocked vnode pointer for the CFH
 	 * savevp - is an unlocked vnode pointer for the SAVEDFH
 	 * (at some future date, it might turn out to be more appropriate
 	 *  to keep the file handles instead of vnode pointers?)
 	 * savevpnes and vpnes - are the export flags for the above.
 	 */
 	for (i = 0; i < numops; i++) {
 		NFSM_BUILD(repp, u_int32_t *, 2 * NFSX_UNSIGNED);
 		if (savefhcnt > 0) {
 			op = NFSV4OP_SAVEFH;
 			*repp = txdr_unsigned(op);
 			savefhcnt--;
 		} else if (nextop == -1) {
 			NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
 			*repp = *tl;
 			op = fxdr_unsigned(int, *tl);
 		} else {
 			op = nextop;
 			*repp = txdr_unsigned(op);
 			nextop = -1;
 		}
 		NFSD_DEBUG(4, "op=%d\n", op);
 		if (op < NFSV4OP_ACCESS || op >= NFSV42_NOPS ||
 		    (op >= NFSV4OP_NOPS && (nd->nd_flag & ND_NFSV41) == 0) ||
 		    (op >= NFSV41_NOPS && (nd->nd_flag & ND_NFSV42) == 0)) {
 			nd->nd_repstat = NFSERR_OPILLEGAL;
 			*repp++ = txdr_unsigned(NFSV4OP_OPILLEGAL);
 			*repp = nfsd_errmap(nd);
 			retops++;
 			break;
 		} else {
 			repp++;
 		}
 
 		binuptime(&start_time);
 		nfsrvd_statstart(op, &start_time);
 		statsinprog = 1;
 
 		if (i == 0)
 			op0 = op;
 		if (i == numops - 1)
 			nd->nd_flag |= ND_LASTOP;
 
 		/*
 		 * Check for a referral on the current FH and, if so, return
 		 * NFSERR_MOVED for all ops that allow it, except Getattr.
 		 */
 		if (vp != NULL && op != NFSV4OP_GETATTR &&
 		    nfsv4root_getreferral(vp, NULL, 0) != NULL &&
 		    nfsrv_errmoved(op)) {
 			nd->nd_repstat = NFSERR_MOVED;
 			*repp = nfsd_errmap(nd);
 			retops++;
 			break;
 		}
 
 		/*
 		 * For NFSv4.1, check for a Sequence Operation being first
 		 * or one of the other allowed operations by itself.
 		 */
 		if ((nd->nd_flag & ND_NFSV41) != 0) {
 			if (i != 0 && op == NFSV4OP_SEQUENCE)
 				nd->nd_repstat = NFSERR_SEQUENCEPOS;
 			else if (i == 0 && op != NFSV4OP_SEQUENCE &&
 			    op != NFSV4OP_EXCHANGEID &&
 			    op != NFSV4OP_CREATESESSION &&
 			    op != NFSV4OP_BINDCONNTOSESS &&
 			    op != NFSV4OP_DESTROYCLIENTID &&
 			    op != NFSV4OP_DESTROYSESSION)
 				nd->nd_repstat = NFSERR_OPNOTINSESS;
 			else if (i != 0 && op0 != NFSV4OP_SEQUENCE)
 				nd->nd_repstat = NFSERR_NOTONLYOP;
 			if (nd->nd_repstat != 0) {
 				*repp = nfsd_errmap(nd);
 				retops++;
 				break;
 			}
 		}
 
 		nd->nd_procnum = op;
 		/*
 		 * If over flood level, reply NFSERR_RESOURCE, if at the first
 		 * Op. (Since a client recovery from NFSERR_RESOURCE can get
 		 * really nasty for certain Op sequences, I'll play it safe
 		 * and only return the error at the beginning.) The cache
 		 * will still function over flood level, but uses lots of
 		 * mbufs.)
 		 * If nfsrv_mallocmget_limit() returns True, the system is near
 		 * to its limit for memory that malloc()/mget() can allocate.
 		 */
 		if (i == 0 && (nd->nd_rp == NULL ||
 		    nd->nd_rp->rc_refcnt == 0) &&
 		    (nfsrv_mallocmget_limit() ||
 		     NFSD_VNET(nfsrc_tcpsavedreplies) >
 		     NFSD_VNET(nfsrc_floodlevel))) {
 			if (NFSD_VNET(nfsrc_tcpsavedreplies) >
 			    NFSD_VNET(nfsrc_floodlevel))
 				printf("nfsd server cache flooded, try "
 				    "increasing vfs.nfsd.tcphighwater\n");
 			nd->nd_repstat = NFSERR_RESOURCE;
 			*repp = nfsd_errmap(nd);
 			if (op == NFSV4OP_SETATTR) {
 				/*
 				 * Setattr replies require a bitmap.
 				 * even for errors like these.
 				 */
 				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
 				*tl = 0;
 			}
 			retops++;
 			break;
 		}
 
 		/*
 		 * Check for the case of SP4_MACH_CRED and an operation in
 		 * the allow set.  For these operations, replace nd_cred with
 		 * root credentials so that the operation will not fail due
 		 * to credentials.
 		 * NB: ND_MACHCRED is set by Sequence when the ClientID
 		 * specifies LCL_MACHCRED and the RPC is being performed
 		 * via krb5i or krb5p using the machine principal.
 		 */
 		if ((nd->nd_flag & ND_MACHCRED) != 0) {
 			if (NFSISSET_OPBIT(&nd->nd_allowops, op)) {
 				/* Replace nd_cred with root creds. */
 				if (rootcred == NULL)
 					rootcred = nfsrv_createrootcred();
 				if (savecred == NULL)
 					savecred = nd->nd_cred;
 				nd->nd_cred = rootcred;
 			} else if (savecred != NULL) {
 				nd->nd_cred = savecred;
 				savecred = NULL;
 			}
 		}
 
 		if (nfsv4_opflag[op].savereply)
 			nd->nd_flag |= ND_SAVEREPLY;
 		switch (op) {
 		case NFSV4OP_PUTFH:
 			error = nfsrv_mtofh(nd, &fh);
 			if (error)
 				goto nfsmout;
 			if ((nd->nd_flag & ND_LASTOP) == 0) {
 				/*
 				 * Pre-parse the next op#.  If it is
 				 * SaveFH, count it and skip to the
 				 * next op#, if not the last op#.
 				 * nextop is used to determine if
 				 * NFSERR_WRONGSEC can be returned,
 				 * per RFC5661 Sec. 2.6.
 				 */
 				do {
 					NFSM_DISSECT(tl, uint32_t *,
 					    NFSX_UNSIGNED);
 					nextop = fxdr_unsigned(int, *tl);
 					if (nextop == NFSV4OP_SAVEFH &&
 					    i < numops - 1)
 						savefhcnt++;
 				} while (nextop == NFSV4OP_SAVEFH &&
 				    i < numops - 1);
 			}
 			if (!nd->nd_repstat)
 				nfsd_fhtovp(nd, &fh, LK_SHARED, &nvp, &nes,
 				    NULL, 0, nextop);
 			/* For now, allow this for non-export FHs */
 			if (!nd->nd_repstat) {
 				if (vp)
 					vrele(vp);
 				vp = nvp;
 				cur_fsid = vp->v_mount->mnt_stat.f_fsid;
 				NFSVOPUNLOCK(vp);
 				vpnes = nes;
 			}
 			break;
 		case NFSV4OP_PUTPUBFH:
 			if (nfs_pubfhset) {
 				if ((nd->nd_flag & ND_LASTOP) == 0) {
 					/*
 					 * Pre-parse the next op#.  If it is
 					 * SaveFH, count it and skip to the
 					 * next op#, if not the last op#.
 					 * nextop is used to determine if
 					 * NFSERR_WRONGSEC can be returned,
 					 * per RFC5661 Sec. 2.6.
 					 */
 					do {
 						NFSM_DISSECT(tl, uint32_t *,
 						    NFSX_UNSIGNED);
 						nextop = fxdr_unsigned(int,
 						    *tl);
 						if (nextop == NFSV4OP_SAVEFH &&
 						    i < numops - 1)
 							savefhcnt++;
 					} while (nextop == NFSV4OP_SAVEFH &&
 					    i < numops - 1);
 				}
 				nfsd_fhtovp(nd, &nfs_pubfh, LK_SHARED, &nvp,
 				    &nes, NULL, 0, nextop);
 			} else
 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
 			if (!nd->nd_repstat) {
 				if (vp)
 					vrele(vp);
 				vp = nvp;
 				cur_fsid = vp->v_mount->mnt_stat.f_fsid;
 				NFSVOPUNLOCK(vp);
 				vpnes = nes;
 			}
 			break;
 		case NFSV4OP_PUTROOTFH:
 			if (NFSD_VNET(nfs_rootfhset)) {
 				if ((nd->nd_flag & ND_LASTOP) == 0) {
 					/*
 					 * Pre-parse the next op#.  If it is
 					 * SaveFH, count it and skip to the
 					 * next op#, if not the last op#.
 					 * nextop is used to determine if
 					 * NFSERR_WRONGSEC can be returned,
 					 * per RFC5661 Sec. 2.6.
 					 */
 					do {
 						NFSM_DISSECT(tl, uint32_t *,
 						    NFSX_UNSIGNED);
 						nextop = fxdr_unsigned(int,
 						    *tl);
 						if (nextop == NFSV4OP_SAVEFH &&
 						    i < numops - 1)
 							savefhcnt++;
 					} while (nextop == NFSV4OP_SAVEFH &&
 					    i < numops - 1);
 				}
 				nfsd_fhtovp(nd, &NFSD_VNET(nfs_rootfh),
 				    LK_SHARED, &nvp, &nes, NULL, 0, nextop);
 				if (!nd->nd_repstat) {
 					if (vp)
 						vrele(vp);
 					vp = nvp;
 					cur_fsid = vp->v_mount->mnt_stat.f_fsid;
 					NFSVOPUNLOCK(vp);
 					vpnes = nes;
 				}
 			} else
 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
 			break;
 		case NFSV4OP_SAVEFH:
 			if (vp && NFSVNO_EXPORTED(&vpnes)) {
 				nd->nd_repstat = 0;
 				/* If vp == savevp, a no-op */
 				if (vp != savevp) {
 					if (savevp)
 						vrele(savevp);
-					VREF(vp);
+					vref(vp);
 					savevp = vp;
 					savevpnes = vpnes;
 					save_fsid = cur_fsid;
 				}
 				if ((nd->nd_flag & ND_CURSTATEID) != 0) {
 					nd->nd_savedcurstateid =
 					    nd->nd_curstateid;
 					nd->nd_flag |= ND_SAVEDCURSTATEID;
 				}
 			} else {
 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
 			}
 			break;
 		case NFSV4OP_RESTOREFH:
 			if (savevp) {
 				if ((nd->nd_flag & ND_LASTOP) == 0) {
 					/*
 					 * Pre-parse the next op#.  If it is
 					 * SaveFH, count it and skip to the
 					 * next op#, if not the last op#.
 					 * nextop is used to determine if
 					 * NFSERR_WRONGSEC can be returned,
 					 * per RFC5661 Sec. 2.6.
 					 */
 					do {
 						NFSM_DISSECT(tl, uint32_t *,
 						    NFSX_UNSIGNED);
 						nextop = fxdr_unsigned(int,
 						    *tl);
 						if (nextop == NFSV4OP_SAVEFH &&
 						    i < numops - 1)
 							savefhcnt++;
 					} while (nextop == NFSV4OP_SAVEFH &&
 					    i < numops - 1);
 				}
 				nd->nd_repstat = 0;
 				/* If vp == savevp, a no-op */
 				if (vp != savevp) {
 					if (nfsrv_checkwrongsec(nd, nextop,
 					    savevp->v_type))
 						nd->nd_repstat =
 						    nfsvno_testexp(nd,
 						    &savevpnes);
 					if (nd->nd_repstat == 0) {
-						VREF(savevp);
+						vref(savevp);
 						vrele(vp);
 						vp = savevp;
 						vpnes = savevpnes;
 						cur_fsid = save_fsid;
 					}
 				}
 				if (nd->nd_repstat == 0 &&
 				     (nd->nd_flag & ND_SAVEDCURSTATEID) != 0) {
 					nd->nd_curstateid =
 					    nd->nd_savedcurstateid;
 					nd->nd_flag |= ND_CURSTATEID;
 				}
 			} else {
 				nd->nd_repstat = NFSERR_RESTOREFH;
 			}
 			break;
 		default:
 		    /*
 		     * Allow a Lookup, Getattr, GetFH, Secinfo on an
 		     * non-exported directory if
 		     * nfs_rootfhset. Do I need to allow any other Ops?
 		     * (You can only have a non-exported vpnes if
 		     *  nfs_rootfhset is true. See nfsd_fhtovp())
 		     * Allow AUTH_SYS to be used for file systems
 		     * exported GSS only for certain Ops, to allow
 		     * clients to do mounts more easily.
 		     */
 		    if (nfsv4_opflag[op].needscfh && vp) {
 			if (!NFSVNO_EXPORTED(&vpnes) &&
 			    op != NFSV4OP_LOOKUP &&
 			    op != NFSV4OP_GETATTR &&
 			    op != NFSV4OP_GETFH &&
 			    op != NFSV4OP_ACCESS &&
 			    op != NFSV4OP_READLINK &&
 			    op != NFSV4OP_SECINFO &&
 			    op != NFSV4OP_SECINFONONAME)
 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
 			if (nd->nd_repstat) {
 				if (op == NFSV4OP_SETATTR) {
 				    /*
 				     * Setattr reply requires a bitmap
 				     * even for errors like these.
 				     */
 				    NFSM_BUILD(tl, u_int32_t *,
 					NFSX_UNSIGNED);
 				    *tl = 0;
 				}
 				break;
 			}
 		    }
 
 		    /*
 		     * Save the current positions in the mbuf lists so
 		     * that a rollback to this location can be done upon a
 		     * redo due to a ERELOOKUP return for a operation.
 		     */
 		    mb = nd->nd_mb;
 		    bpos = nd->nd_bpos;
 		    bextpg = nd->nd_bextpg;
 		    bextpgsiz = nd->nd_bextpgsiz;
 		    md = nd->nd_md;
 		    dpos = nd->nd_dpos;
 tryagain:
 
 		    if (nfsv4_opflag[op].retfh == 1) {
 			if (!vp) {
 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
 				break;
 			}
 			if (NFSVNO_EXPORTED(&vpnes) && (op == NFSV4OP_LOOKUP ||
 			    op == NFSV4OP_LOOKUPP || (op == NFSV4OP_OPEN &&
 			    vp->v_type == VDIR))) {
 				/* Check for wrong security. */
 				rstat = nfsvno_testexp(nd, &vpnes);
 				if (rstat != 0) {
 					nd->nd_repstat = rstat;
 					break;
 				}
 			}
-			VREF(vp);
+			vref(vp);
 			if (nfsv4_opflag[op].modifyfs)
 				vn_start_write(vp, &temp_mp, V_WAIT);
 			error = (*(nfsrv4_ops1[op]))(nd, isdgram, vp,
 			    &nvp, (fhandle_t *)fh.nfsrvfh_data, &vpnes);
 			if (!error && !nd->nd_repstat) {
 			    if (op == NFSV4OP_LOOKUP || op == NFSV4OP_LOOKUPP) {
 				new_mp = nvp->v_mount;
 				if (fsidcmp(&cur_fsid, &new_mp->mnt_stat.f_fsid) != 0) {
 				    /* crossed a server mount point */
 				    nd->nd_repstat = nfsvno_checkexp(new_mp,
 					nd->nd_nam, &nes, &credanon);
 				    if (!nd->nd_repstat)
 					nd->nd_repstat = nfsd_excred(nd,
 					    &nes, credanon, true);
 				    if (credanon != NULL)
 					crfree(credanon);
 				    if (!nd->nd_repstat) {
 					vpnes = nes;
 					cur_fsid = new_mp->mnt_stat.f_fsid;
 				    }
 				}
 				/* Lookup ops return a locked vnode */
 				NFSVOPUNLOCK(nvp);
 			    }
 			    if (!nd->nd_repstat) {
 				    vrele(vp);
 				    vp = nvp;
 			    } else
 				    vrele(nvp);
 			}
 			if (nfsv4_opflag[op].modifyfs)
 				vn_finished_write(temp_mp);
 		    } else if (nfsv4_opflag[op].retfh == 2) {
 			if (vp == NULL || savevp == NULL) {
 				nd->nd_repstat = NFSERR_NOFILEHANDLE;
 				break;
 			} else if (fsidcmp(&cur_fsid, &save_fsid) != 0) {
 				nd->nd_repstat = NFSERR_XDEV;
 				break;
 			}
 			if (nfsv4_opflag[op].modifyfs)
 				vn_start_write(savevp, &temp_mp, V_WAIT);
 			if (NFSVOPLOCK(savevp, LK_EXCLUSIVE) == 0) {
-				VREF(vp);
-				VREF(savevp);
+				vref(vp);
+				vref(savevp);
 				error = (*(nfsrv4_ops2[op]))(nd, isdgram,
 				    savevp, vp, &savevpnes, &vpnes);
 			} else
 				nd->nd_repstat = NFSERR_PERM;
 			if (nfsv4_opflag[op].modifyfs)
 				vn_finished_write(temp_mp);
 		    } else {
 			if (nfsv4_opflag[op].retfh != 0)
 				panic("nfsrvd_compound");
 			if (nfsv4_opflag[op].needscfh) {
 				if (vp != NULL) {
 					lktype = nfsv4_opflag[op].lktype;
 					if (nfsv4_opflag[op].modifyfs) {
 						vn_start_write(vp, &temp_mp,
 						    V_WAIT);
 						if (op == NFSV4OP_WRITE &&
 						    MNT_SHARED_WRITES(temp_mp))
 							lktype = LK_SHARED;
 					}
 					if (NFSVOPLOCK(vp, lktype) == 0)
-						VREF(vp);
+						vref(vp);
 					else
 						nd->nd_repstat = NFSERR_PERM;
 				} else {
 					nd->nd_repstat = NFSERR_NOFILEHANDLE;
 					if (op == NFSV4OP_SETATTR) {
 						/*
 						 * Setattr reply requires a
 						 * bitmap even for errors like
 						 * these.
 						 */
 						NFSM_BUILD(tl, u_int32_t *,
 						    NFSX_UNSIGNED);
 						*tl = 0;
 					}
 					break;
 				}
 				if (nd->nd_repstat == 0) {
 					error = (*(nfsrv4_ops0[op]))(nd,
 					    isdgram, vp, &vpnes);
 					if ((op == NFSV4OP_SECINFO ||
 					     op == NFSV4OP_SECINFONONAME) &&
 					    error == 0 && nd->nd_repstat == 0) {
 						/*
 						 * Secinfo and Secinfo_no_name
 						 * consume the current FH.
 						 */
 						vrele(vp);
 						vp = NULL;
 					}
 				}
 				if (nfsv4_opflag[op].modifyfs)
 					vn_finished_write(temp_mp);
 			} else {
 				error = (*(nfsrv4_ops0[op]))(nd, isdgram,
 				    NULL, &vpnes);
 			}
 		    }
 		}
 		if (error) {
 			if (error == EBADRPC || error == NFSERR_BADXDR) {
 				nd->nd_repstat = NFSERR_BADXDR;
 			} else {
 				nd->nd_repstat = error;
 				printf("nfsv4 comperr0=%d\n", error);
 			}
 			error = 0;
 		}
 
 		if (nd->nd_repstat == ERELOOKUP) {
 			/*
 			 * Roll back to the beginning of the operation
 			 * arguments.
 			 */
 			nd->nd_md = md;
 			nd->nd_dpos = dpos;
 
 			/*
 			 * Trim off the bogus reply for this operation
 			 * and redo the operation.
 			 */
 			nfsm_trimtrailing(nd, mb, bpos, bextpg, bextpgsiz);
 			nd->nd_repstat = 0;
 			nd->nd_flag |= ND_ERELOOKUP;
 			goto tryagain;
 		}
 		nd->nd_flag &= ~ND_ERELOOKUP;
 
 		if (statsinprog != 0) {
 			nfsrvd_statend(op, /*bytes*/ 0, /*now*/ NULL,
 			    /*then*/ &start_time);
 			statsinprog = 0;
 		}
 
 		retops++;
 		if (nd->nd_repstat) {
 			*repp = nfsd_errmap(nd);
 			break;
 		} else {
 			*repp = 0;	/* NFS4_OK */
 		}
 	}
 nfsmout:
 	if (statsinprog != 0) {
 		nfsrvd_statend(op, /*bytes*/ 0, /*now*/ NULL,
 		    /*then*/ &start_time);
 		statsinprog = 0;
 	}
 	if (error) {
 		if (error == EBADRPC || error == NFSERR_BADXDR)
 			nd->nd_repstat = NFSERR_BADXDR;
 		else
 			printf("nfsv4 comperr1=%d\n", error);
 	}
 	if (taglen == -1) {
 		NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 		*tl++ = 0;
 		*tl = 0;
 	} else {
 		*retopsp = txdr_unsigned(retops);
 	}
 	if (vp)
 		vrele(vp);
 	if (savevp)
 		vrele(savevp);
 	if (savecred != NULL)
 		nd->nd_cred = savecred;
 	if (rootcred != NULL)
 		crfree(rootcred);
 	NFSLOCKV4ROOTMUTEX();
 	nfsv4_relref(&nfsv4rootfs_lock);
 	NFSUNLOCKV4ROOTMUTEX();
 
 	NFSEXITCODE2(0, nd);
 }
 
 /* Create a credential for "root". */
 static struct ucred *
 nfsrv_createrootcred(void)
 {
 	struct ucred *cr;
 
 	cr = crget();
 	cr->cr_uid = cr->cr_ruid = cr->cr_svuid = UID_ROOT;
 	crsetgroups_and_egid(cr, 0, NULL, GID_WHEEL);
 	cr->cr_rgid = cr->cr_svgid = cr->cr_gid;
 	cr->cr_prison = curthread->td_ucred->cr_prison;
 	prison_hold(cr->cr_prison);
 #ifdef MAC
 	mac_cred_associate_nfsd(cr);
 #endif
 	return (cr);
 }
diff --git a/sys/fs/nullfs/null_vnops.c b/sys/fs/nullfs/null_vnops.c
index 8f25a7c4ca70..e9d598014a2f 100644
--- a/sys/fs/nullfs/null_vnops.c
+++ b/sys/fs/nullfs/null_vnops.c
@@ -1,1217 +1,1217 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed to Berkeley by
  * John Heidemann of the UCLA Ficus project.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * Ancestors:
  *	...and...
  */
 
 /*
  * Null Layer
  *
  * (See mount_nullfs(8) for more information.)
  *
  * The null layer duplicates a portion of the filesystem
  * name space under a new name.  In this respect, it is
  * similar to the loopback filesystem.  It differs from
  * the loopback fs in two respects:  it is implemented using
  * a stackable layers techniques, and its "null-node"s stack above
  * all lower-layer vnodes, not just over directory vnodes.
  *
  * The null layer has two purposes.  First, it serves as a demonstration
  * of layering by proving a layer which does nothing.  (It actually
  * does everything the loopback filesystem does, which is slightly
  * more than nothing.)  Second, the null layer can serve as a prototype
  * layer.  Since it provides all necessary layer framework,
  * new filesystem layers can be created very easily be starting
  * with a null layer.
  *
  * The remainder of this man page examines the null layer as a basis
  * for constructing new layers.
  *
  *
  * INSTANTIATING NEW NULL LAYERS
  *
  * New null layers are created with mount_nullfs(8).
  * Mount_nullfs(8) takes two arguments, the pathname
  * of the lower vfs (target-pn) and the pathname where the null
  * layer will appear in the namespace (alias-pn).  After
  * the null layer is put into place, the contents
  * of target-pn subtree will be aliased under alias-pn.
  *
  *
  * OPERATION OF A NULL LAYER
  *
  * The null layer is the minimum filesystem layer,
  * simply bypassing all possible operations to the lower layer
  * for processing there.  The majority of its activity centers
  * on the bypass routine, through which nearly all vnode operations
  * pass.
  *
  * The bypass routine accepts arbitrary vnode operations for
  * handling by the lower layer.  It begins by examining vnode
  * operation arguments and replacing any null-nodes by their
  * lower-layer equivlants.  It then invokes the operation
  * on the lower layer.  Finally, it replaces the null-nodes
  * in the arguments and, if a vnode is return by the operation,
  * stacks a null-node on top of the returned vnode.
  *
  * Although bypass handles most operations, vop_getattr, vop_lock,
  * vop_unlock, vop_inactive, vop_reclaim, and vop_print are not
  * bypassed. Vop_getattr must change the fsid being returned.
  * Vop_lock and vop_unlock must handle any locking for the
  * current vnode as well as pass the lock request down.
  * Vop_inactive and vop_reclaim are not bypassed so that
  * they can handle freeing null-layer specific data. Vop_print
  * is not bypassed to avoid excessive debugging information.
  * Also, certain vnode operations change the locking state within
  * the operation (create, mknod, remove, link, rename, mkdir, rmdir,
  * and symlink). Ideally these operations should not change the
  * lock state, but should be changed to let the caller of the
  * function unlock them. Otherwise all intermediate vnode layers
  * (such as union, umapfs, etc) must catch these functions to do
  * the necessary locking at their layer.
  *
  *
  * INSTANTIATING VNODE STACKS
  *
  * Mounting associates the null layer with a lower layer,
  * effect stacking two VFSes.  Vnode stacks are instead
  * created on demand as files are accessed.
  *
  * The initial mount creates a single vnode stack for the
  * root of the new null layer.  All other vnode stacks
  * are created as a result of vnode operations on
  * this or other null vnode stacks.
  *
  * New vnode stacks come into existence as a result of
  * an operation which returns a vnode.
  * The bypass routine stacks a null-node above the new
  * vnode before returning it to the caller.
  *
  * For example, imagine mounting a null layer with
  * "mount_nullfs /usr/include /dev/layer/null".
  * Changing directory to /dev/layer/null will assign
  * the root null-node (which was created when the null layer was mounted).
  * Now consider opening "sys".  A vop_lookup would be
  * done on the root null-node.  This operation would bypass through
  * to the lower layer which would return a vnode representing
  * the UFS "sys".  Null_bypass then builds a null-node
  * aliasing the UFS "sys" and returns this to the caller.
  * Later operations on the null-node "sys" will repeat this
  * process when constructing other vnode stacks.
  *
  *
  * CREATING OTHER FILE SYSTEM LAYERS
  *
  * One of the easiest ways to construct new filesystem layers is to make
  * a copy of the null layer, rename all files and variables, and
  * then begin modifing the copy.  Sed can be used to easily rename
  * all variables.
  *
  * The umap layer is an example of a layer descended from the
  * null layer.
  *
  *
  * INVOKING OPERATIONS ON LOWER LAYERS
  *
  * There are two techniques to invoke operations on a lower layer
  * when the operation cannot be completely bypassed.  Each method
  * is appropriate in different situations.  In both cases,
  * it is the responsibility of the aliasing layer to make
  * the operation arguments "correct" for the lower layer
  * by mapping a vnode arguments to the lower layer.
  *
  * The first approach is to call the aliasing layer's bypass routine.
  * This method is most suitable when you wish to invoke the operation
  * currently being handled on the lower layer.  It has the advantage
  * that the bypass routine already must do argument mapping.
  * An example of this is null_getattrs in the null layer.
  *
  * A second approach is to directly invoke vnode operations on
  * the lower layer with the VOP_OPERATIONNAME interface.
  * The advantage of this method is that it is easy to invoke
  * arbitrary operations on the lower layer.  The disadvantage
  * is that vnode arguments must be manualy mapped.
  *
  */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/conf.h>
 #include <sys/kernel.h>
 #include <sys/lock.h>
 #include <sys/malloc.h>
 #include <sys/mount.h>
 #include <sys/mutex.h>
 #include <sys/namei.h>
 #include <sys/sysctl.h>
 #include <sys/vnode.h>
 #include <sys/stat.h>
 
 #include <fs/nullfs/null.h>
 
 #include <vm/vm.h>
 #include <vm/vm_extern.h>
 #include <vm/vm_object.h>
 #include <vm/vnode_pager.h>
 
 static int null_bug_bypass = 0;   /* for debugging: enables bypass printf'ing */
 SYSCTL_INT(_debug, OID_AUTO, nullfs_bug_bypass, CTLFLAG_RW, 
 	&null_bug_bypass, 0, "");
 
 /*
  * Synchronize inotify flags with the lower vnode:
  * - If the upper vnode has the flag set and the lower does not, then the lower
  *   vnode is unwatched and the upper vnode does not need to go through
  *   VOP_INOTIFY.
  * - If the lower vnode is watched, then the upper vnode should go through
  *   VOP_INOTIFY, so copy the flag up.
  */
 static void
 null_copy_inotify(struct vnode *vp, struct vnode *lvp, short flag)
 {
 	if ((vn_irflag_read(vp) & flag) != 0) {
 		if (__predict_false((vn_irflag_read(lvp) & flag) == 0))
 			vn_irflag_unset(vp, flag);
 	} else if ((vn_irflag_read(lvp) & flag) != 0) {
 		if (__predict_false((vn_irflag_read(vp) & flag) == 0))
 			vn_irflag_set(vp, flag);
 	}
 }
 
 /*
  * This is the 10-Apr-92 bypass routine.
  *    This version has been optimized for speed, throwing away some
  * safety checks.  It should still always work, but it's not as
  * robust to programmer errors.
  *
  * In general, we map all vnodes going down and unmap them on the way back.
  * As an exception to this, vnodes can be marked "unmapped" by setting
  * the Nth bit in operation's vdesc_flags.
  *
  * Also, some BSD vnode operations have the side effect of vrele'ing
  * their arguments.  With stacking, the reference counts are held
  * by the upper node, not the lower one, so we must handle these
  * side-effects here.  This is not of concern in Sun-derived systems
  * since there are no such side-effects.
  *
  * This makes the following assumptions:
  * - only one returned vpp
  * - no INOUT vpp's (Sun's vop_open has one of these)
  * - the vnode operation vector of the first vnode should be used
  *   to determine what implementation of the op should be invoked
  * - all mapped vnodes are of our vnode-type (NEEDSWORK:
  *   problems on rmdir'ing mount points and renaming?)
  */
 int
 null_bypass(struct vop_generic_args *ap)
 {
 	struct vnode **this_vp_p;
 	struct vnode *old_vps[VDESC_MAX_VPS];
 	struct vnode **vps_p[VDESC_MAX_VPS];
 	struct vnode ***vppp;
 	struct vnode *lvp;
 	struct vnodeop_desc *descp = ap->a_desc;
 	int error, i, reles;
 
 	if (null_bug_bypass)
 		printf ("null_bypass: %s\n", descp->vdesc_name);
 
 #ifdef DIAGNOSTIC
 	/*
 	 * We require at least one vp.
 	 */
 	if (descp->vdesc_vp_offsets == NULL ||
 	    descp->vdesc_vp_offsets[0] == VDESC_NO_OFFSET)
 		panic ("null_bypass: no vp's in map");
 #endif
 
 	/*
 	 * Map the vnodes going in.
 	 * Later, we'll invoke the operation based on
 	 * the first mapped vnode's operation vector.
 	 */
 	reles = descp->vdesc_flags;
 	for (i = 0; i < VDESC_MAX_VPS; reles >>= 1, i++) {
 		if (descp->vdesc_vp_offsets[i] == VDESC_NO_OFFSET)
 			break;   /* bail out at end of list */
 		vps_p[i] = this_vp_p = VOPARG_OFFSETTO(struct vnode **,
 		    descp->vdesc_vp_offsets[i], ap);
 
 		/*
 		 * We're not guaranteed that any but the first vnode
 		 * are of our type.  Check for and don't map any
 		 * that aren't.  (We must always map first vp or vclean fails.)
 		 */
 		if (i != 0 && (*this_vp_p == NULL ||
 			       (*this_vp_p)->v_op != &null_vnodeops)) {
 			old_vps[i] = NULL;
 		} else {
 			old_vps[i] = *this_vp_p;
 			*(vps_p[i]) = NULLVPTOLOWERVP(*this_vp_p);
 
 			/*
 			 * The upper vnode reference to the lower
 			 * vnode is the only reference that keeps our
 			 * pointer to the lower vnode alive.  If lower
 			 * vnode is relocked during the VOP call,
 			 * upper vnode might become unlocked and
 			 * reclaimed, which invalidates our reference.
 			 * Add a transient hold around VOP call.
 			 */
 			vhold(*this_vp_p);
 
 			/*
 			 * XXX - Several operations have the side effect
 			 * of vrele'ing their vp's.  We must account for
 			 * that.  (This should go away in the future.)
 			 */
 			if (reles & VDESC_VP0_WILLRELE)
 				vref(*this_vp_p);
 		}
 	}
 
 	/*
 	 * Call the operation on the lower layer
 	 * with the modified argument structure.
 	 */
 	if (vps_p[0] != NULL && *vps_p[0] != NULL) {
 		error = ap->a_desc->vdesc_call(ap);
 	} else {
 		printf("null_bypass: no map for %s\n", descp->vdesc_name);
 		error = EINVAL;
 	}
 
 	/*
 	 * Maintain the illusion of call-by-value
 	 * by restoring vnodes in the argument structure
 	 * to their original value.
 	 */
 	reles = descp->vdesc_flags;
 	for (i = 0; i < VDESC_MAX_VPS; reles >>= 1, i++) {
 		if (descp->vdesc_vp_offsets[i] == VDESC_NO_OFFSET)
 			break;   /* bail out at end of list */
 		if (old_vps[i] != NULL) {
 			lvp = *(vps_p[i]);
 
 			/*
 			 * Get rid of the transient hold on lvp.  Copy inotify
 			 * flags up in case something is watching the lower
 			 * layer.
 			 *
 			 * If lowervp was unlocked during VOP
 			 * operation, nullfs upper vnode could have
 			 * been reclaimed, which changes its v_vnlock
 			 * back to private v_lock.  In this case we
 			 * must move lock ownership from lower to
 			 * upper (reclaimed) vnode.
 			 */
 			if (lvp != NULL) {
 				null_copy_inotify(old_vps[i], lvp,
 				    VIRF_INOTIFY);
 				null_copy_inotify(old_vps[i], lvp,
 				    VIRF_INOTIFY_PARENT);
 				if (VOP_ISLOCKED(lvp) == LK_EXCLUSIVE &&
 				    old_vps[i]->v_vnlock != lvp->v_vnlock) {
 					VOP_UNLOCK(lvp);
 					VOP_LOCK(old_vps[i], LK_EXCLUSIVE |
 					    LK_RETRY);
 				}
 				vdrop(lvp);
 			}
 
 			*(vps_p[i]) = old_vps[i];
 #if 0
 			if (reles & VDESC_VP0_WILLUNLOCK)
 				VOP_UNLOCK(*(vps_p[i]), 0);
 #endif
 			if (reles & VDESC_VP0_WILLRELE)
 				vrele(*(vps_p[i]));
 		}
 	}
 
 	/*
 	 * Map the possible out-going vpp
 	 * (Assumes that the lower layer always returns
 	 * a VREF'ed vpp unless it gets an error.)
 	 */
 	if (descp->vdesc_vpp_offset != VDESC_NO_OFFSET && error == 0) {
 		/*
 		 * XXX - even though some ops have vpp returned vp's,
 		 * several ops actually vrele this before returning.
 		 * We must avoid these ops.
 		 * (This should go away when these ops are regularized.)
 		 */
 		vppp = VOPARG_OFFSETTO(struct vnode ***,
 		    descp->vdesc_vpp_offset, ap);
 		if (*vppp != NULL)
 			error = null_nodeget(old_vps[0]->v_mount, **vppp,
 			    *vppp);
 	}
 
 	return (error);
 }
 
 static int
 null_add_writecount(struct vop_add_writecount_args *ap)
 {
 	struct vnode *lvp, *vp;
 	int error;
 
 	vp = ap->a_vp;
 	lvp = NULLVPTOLOWERVP(vp);
 	VI_LOCK(vp);
 	/* text refs are bypassed to lowervp */
 	VNASSERT(vp->v_writecount >= 0, vp, ("wrong null writecount"));
 	VNASSERT(vp->v_writecount + ap->a_inc >= 0, vp,
 	    ("wrong writecount inc %d", ap->a_inc));
 	error = VOP_ADD_WRITECOUNT(lvp, ap->a_inc);
 	if (error == 0)
 		vp->v_writecount += ap->a_inc;
 	VI_UNLOCK(vp);
 	return (error);
 }
 
 /*
  * We have to carry on the locking protocol on the null layer vnodes
  * as we progress through the tree. We also have to enforce read-only
  * if this layer is mounted read-only.
  */
 static int
 null_lookup(struct vop_lookup_args *ap)
 {
 	struct componentname *cnp = ap->a_cnp;
 	struct vnode *dvp = ap->a_dvp;
 	uint64_t flags = cnp->cn_flags;
 	struct vnode *vp, *ldvp, *lvp;
 	struct mount *mp;
 	int error;
 
 	mp = dvp->v_mount;
 	if ((flags & ISLASTCN) != 0 && (mp->mnt_flag & MNT_RDONLY) != 0 &&
 	    (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME))
 		return (EROFS);
 	/*
 	 * Although it is possible to call null_bypass(), we'll do
 	 * a direct call to reduce overhead
 	 */
 	ldvp = NULLVPTOLOWERVP(dvp);
 	vp = lvp = NULL;
 
 	/*
 	 * Renames in the lower mounts might create an inconsistent
 	 * configuration where lower vnode is moved out of the directory tree
 	 * remounted by our null mount.
 	 *
 	 * Do not try to handle it fancy, just avoid VOP_LOOKUP() with DOTDOT
 	 * name which cannot be handled by the VOP.
 	 */
 	if ((flags & ISDOTDOT) != 0) {
 		struct nameidata *ndp;
 
 		if ((ldvp->v_vflag & VV_ROOT) != 0) {
 			KASSERT((dvp->v_vflag & VV_ROOT) == 0,
 			    ("ldvp %p fl %#x dvp %p fl %#x flags %#jx",
 			    ldvp, ldvp->v_vflag, dvp, dvp->v_vflag,
 			    (uintmax_t)flags));
 			return (ENOENT);
 		}
 		ndp = vfs_lookup_nameidata(cnp);
 		if (ndp != NULL && vfs_lookup_isroot(ndp, ldvp))
 			return (ENOENT);
 	}
 
 	/*
 	 * Hold ldvp.  The reference on it, owned by dvp, is lost in
 	 * case of dvp reclamation, and we need ldvp to move our lock
 	 * from ldvp to dvp.
 	 */
 	vhold(ldvp);
 
 	error = VOP_LOOKUP(ldvp, &lvp, cnp);
 
 	/*
 	 * VOP_LOOKUP() on lower vnode may unlock ldvp, which allows
 	 * dvp to be reclaimed due to shared v_vnlock.  Check for the
 	 * doomed state and return error.
 	 */
 	if (VN_IS_DOOMED(dvp)) {
 		if (error == 0 || error == EJUSTRETURN) {
 			if (lvp != NULL)
 				vput(lvp);
 			error = ENOENT;
 		}
 
 		/*
 		 * If vgone() did reclaimed dvp before curthread
 		 * relocked ldvp, the locks of dvp and ldpv are no
 		 * longer shared.  In this case, relock of ldvp in
 		 * lower fs VOP_LOOKUP() does not restore the locking
 		 * state of dvp.  Compensate for this by unlocking
 		 * ldvp and locking dvp, which is also correct if the
 		 * locks are still shared.
 		 */
 		VOP_UNLOCK(ldvp);
 		vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
 	}
 	vdrop(ldvp);
 
 	if (error == EJUSTRETURN && (flags & ISLASTCN) != 0 &&
 	    (mp->mnt_flag & MNT_RDONLY) != 0 &&
 	    (cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME))
 		error = EROFS;
 
 	if ((error == 0 || error == EJUSTRETURN) && lvp != NULL) {
 		if (ldvp == lvp) {
 			*ap->a_vpp = dvp;
-			VREF(dvp);
+			vref(dvp);
 			vrele(lvp);
 		} else {
 			error = null_nodeget(mp, lvp, &vp);
 			if (error == 0)
 				*ap->a_vpp = vp;
 		}
 	}
 	return (error);
 }
 
 static int
 null_open(struct vop_open_args *ap)
 {
 	int retval;
 	struct vnode *vp, *ldvp;
 
 	vp = ap->a_vp;
 	ldvp = NULLVPTOLOWERVP(vp);
 	retval = null_bypass(&ap->a_gen);
 	if (retval == 0) {
 		vp->v_object = ldvp->v_object;
 		if ((vn_irflag_read(ldvp) & VIRF_PGREAD) != 0) {
 			MPASS(vp->v_object != NULL);
 			if ((vn_irflag_read(vp) & VIRF_PGREAD) == 0) {
 				vn_irflag_set_cond(vp, VIRF_PGREAD);
 			}
 		}
 	}
 	return (retval);
 }
 
 /*
  * Setattr call. Disallow write attempts if the layer is mounted read-only.
  */
 static int
 null_setattr(struct vop_setattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vattr *vap = ap->a_vap;
 
   	if ((vap->va_flags != VNOVAL || vap->va_uid != (uid_t)VNOVAL ||
 	    vap->va_gid != (gid_t)VNOVAL || vap->va_atime.tv_sec != VNOVAL ||
 	    vap->va_mtime.tv_sec != VNOVAL || vap->va_mode != (mode_t)VNOVAL) &&
 	    (vp->v_mount->mnt_flag & MNT_RDONLY))
 		return (EROFS);
 	if (vap->va_size != VNOVAL) {
  		switch (vp->v_type) {
  		case VDIR:
  			return (EISDIR);
  		case VCHR:
  		case VBLK:
  		case VSOCK:
  		case VFIFO:
 			if (vap->va_flags != VNOVAL)
 				return (EOPNOTSUPP);
 			return (0);
 		case VREG:
 		case VLNK:
  		default:
 			/*
 			 * Disallow write attempts if the filesystem is
 			 * mounted read-only.
 			 */
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 		}
 	}
 
 	return (null_bypass(&ap->a_gen));
 }
 
 /*
  *  We handle stat and getattr only to change the fsid.
  */
 static int
 null_stat(struct vop_stat_args *ap)
 {
 	int error;
 
 	if ((error = null_bypass(&ap->a_gen)) != 0)
 		return (error);
 
 	ap->a_sb->st_dev = ap->a_vp->v_mount->mnt_stat.f_fsid.val[0];
 	return (0);
 }
 
 static int
 null_getattr(struct vop_getattr_args *ap)
 {
 	int error;
 
 	if ((error = null_bypass(&ap->a_gen)) != 0)
 		return (error);
 
 	ap->a_vap->va_fsid = ap->a_vp->v_mount->mnt_stat.f_fsid.val[0];
 	return (0);
 }
 
 /*
  * Handle to disallow write access if mounted read-only.
  */
 static int
 null_access(struct vop_access_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	accmode_t accmode = ap->a_accmode;
 
 	/*
 	 * Disallow write attempts on read-only layers;
 	 * unless the file is a socket, fifo, or a block or
 	 * character device resident on the filesystem.
 	 */
 	if (accmode & VWRITE) {
 		switch (vp->v_type) {
 		case VDIR:
 		case VLNK:
 		case VREG:
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
 		default:
 			break;
 		}
 	}
 	return (null_bypass(&ap->a_gen));
 }
 
 static int
 null_accessx(struct vop_accessx_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	accmode_t accmode = ap->a_accmode;
 
 	/*
 	 * Disallow write attempts on read-only layers;
 	 * unless the file is a socket, fifo, or a block or
 	 * character device resident on the filesystem.
 	 */
 	if (accmode & VWRITE) {
 		switch (vp->v_type) {
 		case VDIR:
 		case VLNK:
 		case VREG:
 			if (vp->v_mount->mnt_flag & MNT_RDONLY)
 				return (EROFS);
 			break;
 		default:
 			break;
 		}
 	}
 	return (null_bypass(&ap->a_gen));
 }
 
 /*
  * Increasing refcount of lower vnode is needed at least for the case
  * when lower FS is NFS to do sillyrename if the file is in use.
  * Unfortunately v_usecount is incremented in many places in
  * the kernel and, as such, there may be races that result in
  * the NFS client doing an extraneous silly rename, but that seems
  * preferable to not doing a silly rename when it is needed.
  */
 static int
 null_remove(struct vop_remove_args *ap)
 {
 	int retval, vreleit;
 	struct vnode *lvp, *vp;
 
 	vp = ap->a_vp;
 	if (vrefcnt(vp) > 1) {
 		lvp = NULLVPTOLOWERVP(vp);
-		VREF(lvp);
+		vref(lvp);
 		vreleit = 1;
 	} else
 		vreleit = 0;
 	VTONULL(vp)->null_flags |= NULLV_DROP;
 	retval = null_bypass(&ap->a_gen);
 	if (vreleit != 0)
 		vrele(lvp);
 	return (retval);
 }
 
 /*
  * We handle this to eliminate null FS to lower FS
  * file moving. Don't know why we don't allow this,
  * possibly we should.
  */
 static int
 null_rename(struct vop_rename_args *ap)
 {
 	struct vnode *fdvp, *fvp, *tdvp, *tvp;
 	struct vnode *lfdvp, *lfvp, *ltdvp, *ltvp;
 	struct null_node *fdnn, *fnn, *tdnn, *tnn;
 	int error;
 
 	tdvp = ap->a_tdvp;
 	fvp = ap->a_fvp;
 	fdvp = ap->a_fdvp;
 	tvp = ap->a_tvp;
 	lfdvp = NULL;
 
 	/* Check for cross-device rename. */
 	if ((fvp->v_mount != tdvp->v_mount) ||
 	    (tvp != NULL && fvp->v_mount != tvp->v_mount)) {
 		error = EXDEV;
 		goto upper_err;
 	}
 
 	VI_LOCK(fdvp);
 	fdnn = VTONULL(fdvp);
 	if (fdnn == NULL) {	/* fdvp is not locked, can be doomed */
 		VI_UNLOCK(fdvp);
 		error = ENOENT;
 		goto upper_err;
 	}
 	lfdvp = fdnn->null_lowervp;
 	vref(lfdvp);
 	VI_UNLOCK(fdvp);
 
 	VI_LOCK(fvp);
 	fnn = VTONULL(fvp);
 	if (fnn == NULL) {
 		VI_UNLOCK(fvp);
 		error = ENOENT;
 		goto upper_err;
 	}
 	lfvp = fnn->null_lowervp;
 	vref(lfvp);
 	VI_UNLOCK(fvp);
 
 	tdnn = VTONULL(tdvp);
 	ltdvp = tdnn->null_lowervp;
 	vref(ltdvp);
 
 	if (tvp != NULL) {
 		tnn = VTONULL(tvp);
 		ltvp = tnn->null_lowervp;
 		vref(ltvp);
 		tnn->null_flags |= NULLV_DROP;
 	} else {
 		ltvp = NULL;
 	}
 
 	error = VOP_RENAME(lfdvp, lfvp, ap->a_fcnp, ltdvp, ltvp, ap->a_tcnp);
 	vrele(fdvp);
 	vrele(fvp);
 	vrele(tdvp);
 	if (tvp != NULL)
 		vrele(tvp);
 	return (error);
 
 upper_err:
 	if (tdvp == tvp)
 		vrele(tdvp);
 	else
 		vput(tdvp);
 	if (tvp)
 		vput(tvp);
 	if (lfdvp != NULL)
 		vrele(lfdvp);
 	vrele(fdvp);
 	vrele(fvp);
 	return (error);
 }
 
 static int
 null_rmdir(struct vop_rmdir_args *ap)
 {
 
 	VTONULL(ap->a_vp)->null_flags |= NULLV_DROP;
 	return (null_bypass(&ap->a_gen));
 }
 
 /*
  * We need to process our own vnode lock and then clear the
  * interlock flag as it applies only to our vnode, not the
  * vnodes below us on the stack.
  */
 static int
 null_lock(struct vop_lock1_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	int flags;
 	struct null_node *nn;
 	struct vnode *lvp;
 	int error;
 
 	if ((ap->a_flags & LK_INTERLOCK) == 0)
 		VI_LOCK(vp);
 	else
 		ap->a_flags &= ~LK_INTERLOCK;
 	flags = ap->a_flags;
 	nn = VTONULL(vp);
 	/*
 	 * If we're still active we must ask the lower layer to
 	 * lock as ffs has special lock considerations in its
 	 * vop lock.
 	 */
 	if (nn != NULL && (lvp = NULLVPTOLOWERVP(vp)) != NULL) {
 		/*
 		 * We have to hold the vnode here to solve a potential
 		 * reclaim race.  If we're forcibly vgone'd while we
 		 * still have refs, a thread could be sleeping inside
 		 * the lowervp's vop_lock routine.  When we vgone we will
 		 * drop our last ref to the lowervp, which would allow it
 		 * to be reclaimed.  The lowervp could then be recycled,
 		 * in which case it is not legal to be sleeping in its VOP.
 		 * We prevent it from being recycled by holding the vnode
 		 * here.
 		 */
 		vholdnz(lvp);
 		VI_UNLOCK(vp);
 		error = VOP_LOCK(lvp, flags);
 
 		/*
 		 * We might have slept to get the lock and someone might have
 		 * clean our vnode already, switching vnode lock from one in
 		 * lowervp to v_lock in our own vnode structure.  Handle this
 		 * case by reacquiring correct lock in requested mode.
 		 */
 		if (VTONULL(vp) == NULL && error == 0) {
 			ap->a_flags &= ~LK_TYPE_MASK;
 			switch (flags & LK_TYPE_MASK) {
 			case LK_SHARED:
 				ap->a_flags |= LK_SHARED;
 				break;
 			case LK_UPGRADE:
 			case LK_EXCLUSIVE:
 				ap->a_flags |= LK_EXCLUSIVE;
 				break;
 			default:
 				panic("Unsupported lock request %d\n",
 				    ap->a_flags);
 			}
 			VOP_UNLOCK(lvp);
 			error = vop_stdlock(ap);
 		}
 		vdrop(lvp);
 	} else {
 		VI_UNLOCK(vp);
 		error = vop_stdlock(ap);
 	}
 
 	return (error);
 }
 
 /*
  * We need to process our own vnode unlock and then clear the
  * interlock flag as it applies only to our vnode, not the
  * vnodes below us on the stack.
  */
 static int
 null_unlock(struct vop_unlock_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct null_node *nn;
 	struct vnode *lvp;
 	int error;
 
 	nn = VTONULL(vp);
 	if (nn != NULL && (lvp = NULLVPTOLOWERVP(vp)) != NULL) {
 		vholdnz(lvp);
 		error = VOP_UNLOCK(lvp);
 		vdrop(lvp);
 	} else {
 		error = vop_stdunlock(ap);
 	}
 
 	return (error);
 }
 
 /*
  * Do not allow the VOP_INACTIVE to be passed to the lower layer,
  * since the reference count on the lower vnode is not related to
  * ours.
  */
 static int
 null_want_recycle(struct vnode *vp)
 {
 	struct vnode *lvp;
 	struct null_node *xp;
 	struct mount *mp;
 	struct null_mount *xmp;
 
 	xp = VTONULL(vp);
 	lvp = NULLVPTOLOWERVP(vp);
 	mp = vp->v_mount;
 	xmp = MOUNTTONULLMOUNT(mp);
 	if ((xmp->nullm_flags & NULLM_CACHE) == 0 ||
 	    (xp->null_flags & NULLV_DROP) != 0 ||
 	    (lvp->v_vflag & VV_NOSYNC) != 0) {
 		/*
 		 * If this is the last reference and caching of the
 		 * nullfs vnodes is not enabled, or the lower vnode is
 		 * deleted, then free up the vnode so as not to tie up
 		 * the lower vnodes.
 		 */
 		return (1);
 	}
 	return (0);
 }
 
 static int
 null_inactive(struct vop_inactive_args *ap)
 {
 	struct vnode *vp;
 
 	vp = ap->a_vp;
 	if (null_want_recycle(vp)) {
 		vp->v_object = NULL;
 		vrecycle(vp);
 	}
 	return (0);
 }
 
 static int
 null_need_inactive(struct vop_need_inactive_args *ap)
 {
 
 	return (null_want_recycle(ap->a_vp) || vn_need_pageq_flush(ap->a_vp));
 }
 
 /*
  * Now, the nullfs vnode and, due to the sharing lock, the lower
  * vnode, are exclusively locked, and we shall destroy the null vnode.
  */
 static int
 null_reclaim(struct vop_reclaim_args *ap)
 {
 	struct vnode *vp;
 	struct null_node *xp;
 	struct vnode *lowervp;
 
 	vp = ap->a_vp;
 	xp = VTONULL(vp);
 	lowervp = xp->null_lowervp;
 
 	KASSERT(lowervp != NULL && vp->v_vnlock != &vp->v_lock,
 	    ("Reclaiming incomplete null vnode %p", vp));
 
 	null_hashrem(xp);
 	/*
 	 * Use the interlock to protect the clearing of v_data to
 	 * prevent faults in null_lock().
 	 */
 	lockmgr(&vp->v_lock, LK_EXCLUSIVE, NULL);
 	VI_LOCK(vp);
 	vp->v_data = NULL;
 	vp->v_object = NULL;
 	vp->v_vnlock = &vp->v_lock;
 
 	/*
 	 * If we were opened for write, we leased the write reference
 	 * to the lower vnode.  If this is a reclamation due to the
 	 * forced unmount, undo the reference now.
 	 */
 	if (vp->v_writecount > 0)
 		VOP_ADD_WRITECOUNT(lowervp, -vp->v_writecount);
 	else if (vp->v_writecount < 0)
 		vp->v_writecount = 0;
 
 	VI_UNLOCK(vp);
 
 	if ((xp->null_flags & NULLV_NOUNLOCK) != 0)
 		vunref(lowervp);
 	else
 		vput(lowervp);
 	free(xp, M_NULLFSNODE);
 
 	return (0);
 }
 
 static int
 null_print(struct vop_print_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 
 	printf("\tvp=%p, lowervp=%p\n", vp, VTONULL(vp)->null_lowervp);
 	return (0);
 }
 
 /* ARGSUSED */
 static int
 null_getwritemount(struct vop_getwritemount_args *ap)
 {
 	struct null_node *xp;
 	struct vnode *lowervp;
 	struct vnode *vp;
 
 	vp = ap->a_vp;
 	VI_LOCK(vp);
 	xp = VTONULL(vp);
 	if (xp && (lowervp = xp->null_lowervp)) {
 		vholdnz(lowervp);
 		VI_UNLOCK(vp);
 		VOP_GETWRITEMOUNT(lowervp, ap->a_mpp);
 		vdrop(lowervp);
 	} else {
 		VI_UNLOCK(vp);
 		*(ap->a_mpp) = NULL;
 	}
 	return (0);
 }
 
 static int
 null_vptofh(struct vop_vptofh_args *ap)
 {
 	struct vnode *lvp;
 
 	lvp = NULLVPTOLOWERVP(ap->a_vp);
 	return VOP_VPTOFH(lvp, ap->a_fhp);
 }
 
 static int
 null_vptocnp(struct vop_vptocnp_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode **dvp = ap->a_vpp;
 	struct vnode *lvp, *ldvp;
 	struct mount *mp;
 	int error, locked;
 
 	locked = VOP_ISLOCKED(vp);
 	lvp = NULLVPTOLOWERVP(vp);
 	mp = vp->v_mount;
 	error = vfs_busy(mp, MBF_NOWAIT);
 	if (error != 0)
 		return (error);
 	vhold(lvp);
 	VOP_UNLOCK(vp); /* vp is held by vn_vptocnp_locked that called us */
 	ldvp = lvp;
 	vref(lvp);
 	error = vn_vptocnp(&ldvp, ap->a_buf, ap->a_buflen);
 	vdrop(lvp);
 	if (error != 0) {
 		vn_lock(vp, locked | LK_RETRY);
 		vfs_unbusy(mp);
 		return (ENOENT);
 	}
 
 	error = vn_lock(ldvp, LK_SHARED);
 	if (error != 0) {
 		vrele(ldvp);
 		vn_lock(vp, locked | LK_RETRY);
 		vfs_unbusy(mp);
 		return (ENOENT);
 	}
 	error = null_nodeget(mp, ldvp, dvp);
 	if (error == 0) {
 #ifdef DIAGNOSTIC
 		NULLVPTOLOWERVP(*dvp);
 #endif
 		VOP_UNLOCK(*dvp); /* keep reference on *dvp */
 	}
 	vn_lock(vp, locked | LK_RETRY);
 	vfs_unbusy(mp);
 	return (error);
 }
 
 static int
 null_read_pgcache(struct vop_read_pgcache_args *ap)
 {
 	struct vnode *lvp, *vp;
 	struct null_node *xp;
 	int error;
 
 	vp = ap->a_vp;
 	VI_LOCK(vp);
 	xp = VTONULL(vp);
 	if (xp == NULL) {
 		VI_UNLOCK(vp);
 		return (EJUSTRETURN);
 	}
 	lvp = xp->null_lowervp;
 	vref(lvp);
 	VI_UNLOCK(vp);
 	error = VOP_READ_PGCACHE(lvp, ap->a_uio, ap->a_ioflag, ap->a_cred);
 	vrele(lvp);
 	return (error);
 }
 
 static int
 null_advlock(struct vop_advlock_args *ap)
 {
 	struct vnode *lvp, *vp;
 	struct null_node *xp;
 	int error;
 
 	vp = ap->a_vp;
 	VI_LOCK(vp);
 	xp = VTONULL(vp);
 	if (xp == NULL) {
 		VI_UNLOCK(vp);
 		return (EBADF);
 	}
 	lvp = xp->null_lowervp;
 	vref(lvp);
 	VI_UNLOCK(vp);
 	error = VOP_ADVLOCK(lvp, ap->a_id, ap->a_op, ap->a_fl, ap->a_flags);
 	vrele(lvp);
 	return (error);
 }
 
 /*
  * Avoid standard bypass, since lower dvp and vp could be no longer
  * valid after vput().
  */
 static int
 null_vput_pair(struct vop_vput_pair_args *ap)
 {
 	struct mount *mp;
 	struct vnode *dvp, *ldvp, *lvp, *vp, *vp1, **vpp;
 	int error, res;
 
 	dvp = ap->a_dvp;
 	ldvp = NULLVPTOLOWERVP(dvp);
 	vref(ldvp);
 
 	vpp = ap->a_vpp;
 	vp = NULL;
 	lvp = NULL;
 	mp = NULL;
 	if (vpp != NULL)
 		vp = *vpp;
 	if (vp != NULL) {
 		lvp = NULLVPTOLOWERVP(vp);
 		vref(lvp);
 		if (!ap->a_unlock_vp) {
 			vhold(vp);
 			vhold(lvp);
 			mp = vp->v_mount;
 			vfs_ref(mp);
 		}
 	}
 
 	res = VOP_VPUT_PAIR(ldvp, lvp != NULL ? &lvp : NULL, true);
 	if (vp != NULL && ap->a_unlock_vp)
 		vrele(vp);
 	vrele(dvp);
 
 	if (vp == NULL || ap->a_unlock_vp)
 		return (res);
 
 	/* lvp has been unlocked and vp might be reclaimed */
 	VOP_LOCK(vp, LK_EXCLUSIVE | LK_RETRY);
 	if (vp->v_data == NULL && vfs_busy(mp, MBF_NOWAIT) == 0) {
 		vput(vp);
 		vget(lvp, LK_EXCLUSIVE | LK_RETRY);
 		if (VN_IS_DOOMED(lvp)) {
 			vput(lvp);
 			vget(vp, LK_EXCLUSIVE | LK_RETRY);
 		} else {
 			error = null_nodeget(mp, lvp, &vp1);
 			if (error == 0) {
 				*vpp = vp1;
 			} else {
 				vget(vp, LK_EXCLUSIVE | LK_RETRY);
 			}
 		}
 		vfs_unbusy(mp);
 	}
 	vdrop(lvp);
 	vdrop(vp);
 	vfs_rel(mp);
 
 	return (res);
 }
 
 static int
 null_getlowvnode(struct vop_getlowvnode_args *ap)
 {
 	struct vnode *vp, *vpl;
 
 	vp = ap->a_vp;
 	if (vn_lock(vp, LK_SHARED) != 0)
 		return (EBADF);
 
 	vpl = NULLVPTOLOWERVP(vp);
 	vhold(vpl);
 	VOP_UNLOCK(vp);
 	VOP_GETLOWVNODE(vpl, ap->a_vplp, ap->a_flags);
 	vdrop(vpl);
 	return (0);
 }
 
 /*
  * Global vfs data structures
  */
 struct vop_vector null_vnodeops = {
 	.vop_bypass =		null_bypass,
 	.vop_access =		null_access,
 	.vop_accessx =		null_accessx,
 	.vop_advlock =		null_advlock,
 	.vop_advlockpurge =	vop_stdadvlockpurge,
 	.vop_bmap =		VOP_EOPNOTSUPP,
 	.vop_stat =		null_stat,
 	.vop_getattr =		null_getattr,
 	.vop_getlowvnode =	null_getlowvnode,
 	.vop_getwritemount =	null_getwritemount,
 	.vop_inactive =		null_inactive,
 	.vop_need_inactive =	null_need_inactive,
 	.vop_islocked =		vop_stdislocked,
 	.vop_lock1 =		null_lock,
 	.vop_lookup =		null_lookup,
 	.vop_open =		null_open,
 	.vop_print =		null_print,
 	.vop_read_pgcache =	null_read_pgcache,
 	.vop_reclaim =		null_reclaim,
 	.vop_remove =		null_remove,
 	.vop_rename =		null_rename,
 	.vop_rmdir =		null_rmdir,
 	.vop_setattr =		null_setattr,
 	.vop_strategy =		VOP_EOPNOTSUPP,
 	.vop_unlock =		null_unlock,
 	.vop_vptocnp =		null_vptocnp,
 	.vop_vptofh =		null_vptofh,
 	.vop_add_writecount =	null_add_writecount,
 	.vop_vput_pair =	null_vput_pair,
 	.vop_copy_file_range =	VOP_PANIC,
 };
 VFS_VOP_VECTOR_REGISTER(null_vnodeops);
diff --git a/sys/fs/pseudofs/pseudofs_vnops.c b/sys/fs/pseudofs/pseudofs_vnops.c
index 8cd092118d0e..a30b5e4f551d 100644
--- a/sys/fs/pseudofs/pseudofs_vnops.c
+++ b/sys/fs/pseudofs/pseudofs_vnops.c
@@ -1,1166 +1,1166 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 2001 Dag-Erling Smørgrav
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer
  *    in this position and unchanged.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <sys/cdefs.h>
 #include "opt_pseudofs.h"
 
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/systm.h>
 #include <sys/ctype.h>
 #include <sys/dirent.h>
 #include <sys/fcntl.h>
 #include <sys/limits.h>
 #include <sys/lock.h>
 #include <sys/malloc.h>
 #include <sys/mount.h>
 #include <sys/mutex.h>
 #include <sys/namei.h>
 #include <sys/proc.h>
 #include <sys/sbuf.h>
 #include <sys/sx.h>
 #include <sys/sysctl.h>
 #include <sys/vnode.h>
 
 #include <fs/pseudofs/pseudofs.h>
 #include <fs/pseudofs/pseudofs_internal.h>
 
 #define KASSERT_PN_IS_DIR(pn)						\
 	KASSERT((pn)->pn_type == pfstype_root ||			\
 	    (pn)->pn_type == pfstype_dir ||				\
 	    (pn)->pn_type == pfstype_procdir,				\
 	    ("%s(): VDIR vnode refers to non-directory pfs_node", __func__))
 
 #define KASSERT_PN_IS_FILE(pn)						\
 	KASSERT((pn)->pn_type == pfstype_file,				\
 	    ("%s(): VREG vnode refers to non-file pfs_node", __func__))
 
 #define KASSERT_PN_IS_LINK(pn)						\
 	KASSERT((pn)->pn_type == pfstype_symlink,			\
 	    ("%s(): VLNK vnode refers to non-link pfs_node", __func__))
 
 #define	PFS_MAXBUFSIZ		1024 * 1024
 
 /*
  * Returns the fileno, adjusted for target pid
  */
 static uint32_t
 pn_fileno(struct pfs_node *pn, pid_t pid)
 {
 
 	KASSERT(pn->pn_fileno > 0,
 	    ("%s(): no fileno allocated", __func__));
 	if (pid != NO_PID)
 		return (pn->pn_fileno * NO_PID + pid);
 	return (pn->pn_fileno);
 }
 
 /*
  * Returns non-zero if given file is visible to given thread.
  */
 static int
 pfs_visible_proc(struct thread *td, struct pfs_node *pn, struct proc *proc)
 {
 
 	if (proc == NULL)
 		return (0);
 
 	PROC_LOCK_ASSERT(proc, MA_OWNED);
 
 	if ((proc->p_flag & P_WEXIT) != 0)
 		return (0);
 	if (p_cansee(td, proc) != 0)
 		return (0);
 	return (pn_vis(td, proc, pn));
 }
 
 static int
 pfs_visible(struct thread *td, struct pfs_node *pn, pid_t pid,
     struct proc **p)
 {
 	struct proc *proc;
 
 	PFS_TRACE(("%s (pid: %d, req: %d)",
 	    pn->pn_name, pid, td->td_proc->p_pid));
 
 	if (p)
 		*p = NULL;
 	if (pid == NO_PID)
 		PFS_RETURN (pn_vis(td, NULL, pn));
 	proc = pfind(pid);
 	if (proc == NULL)
 		PFS_RETURN (0);
 	if (pfs_visible_proc(td, pn, proc)) {
 		if (p)
 			*p = proc;
 		else
 			PROC_UNLOCK(proc);
 		PFS_RETURN (1);
 	}
 	PROC_UNLOCK(proc);
 	PFS_RETURN (0);
 }
 
 static int
 pfs_lookup_proc(pid_t pid, struct proc **p)
 {
 	struct proc *proc;
 
 	proc = pfind(pid);
 	if (proc == NULL)
 		return (0);
 	if ((proc->p_flag & P_WEXIT) != 0) {
 		PROC_UNLOCK(proc);
 		return (0);
 	}
 	_PHOLD(proc);
 	PROC_UNLOCK(proc);
 	*p = proc;
 	return (1);
 }
 
 /*
  * Verify permissions
  */
 static int
 pfs_access(struct vop_access_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct vattr vattr;
 	int error;
 
 	PFS_TRACE(("%s", pvd->pvd_pn->pn_name));
 	(void)pvd;
 
 	error = VOP_GETATTR(vn, &vattr, va->a_cred);
 	if (error)
 		PFS_RETURN (error);
 	error = vaccess(vn->v_type, vattr.va_mode, vattr.va_uid, vattr.va_gid,
 	    va->a_accmode, va->a_cred);
 	PFS_RETURN (error);
 }
 
 /*
  * Close a file or directory
  */
 static int
 pfs_close(struct vop_close_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pn = pvd->pvd_pn;
 	struct proc *proc;
 	int error;
 
 	PFS_TRACE(("%s", pn->pn_name));
 	pfs_assert_not_owned(pn);
 
 	/*
 	 * Do nothing unless this is the last close and the node has a
 	 * last-close handler.
 	 */
 	if (vrefcnt(vn) > 1 || pn->pn_close == NULL)
 		PFS_RETURN (0);
 
 	if (pvd->pvd_pid != NO_PID) {
 		proc = pfind(pvd->pvd_pid);
 	} else {
 		proc = NULL;
 	}
 
 	error = pn_close(va->a_td, proc, pn);
 
 	if (proc != NULL)
 		PROC_UNLOCK(proc);
 
 	PFS_RETURN (error);
 }
 
 /*
  * Get file attributes
  */
 static int
 pfs_getattr(struct vop_getattr_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pn = pvd->pvd_pn;
 	struct vattr *vap = va->a_vap;
 	struct proc *proc;
 	int error = 0;
 
 	PFS_TRACE(("%s", pn->pn_name));
 	pfs_assert_not_owned(pn);
 
 	if (!pfs_visible(curthread, pn, pvd->pvd_pid, &proc))
 		PFS_RETURN (ENOENT);
 
 	vap->va_type = vn->v_type;
 	vap->va_fileid = pn_fileno(pn, pvd->pvd_pid);
 	vap->va_flags = 0;
 	vap->va_blocksize = PAGE_SIZE;
 	vap->va_bytes = vap->va_size = 0;
 	vap->va_filerev = 0;
 	vap->va_fsid = vn->v_mount->mnt_stat.f_fsid.val[0];
 	vap->va_nlink = 1;
 	nanotime(&vap->va_ctime);
 	vap->va_atime = vap->va_mtime = vap->va_ctime;
 
 	switch (pn->pn_type) {
 	case pfstype_procdir:
 	case pfstype_root:
 	case pfstype_dir:
 #if 0
 		pfs_lock(pn);
 		/* compute link count */
 		pfs_unlock(pn);
 #endif
 		vap->va_mode = 0555;
 		break;
 	case pfstype_file:
 	case pfstype_symlink:
 		vap->va_mode = 0444;
 		break;
 	default:
 		printf("shouldn't be here!\n");
 		vap->va_mode = 0;
 		break;
 	}
 
 	if (proc != NULL) {
 		vap->va_uid = proc->p_ucred->cr_ruid;
 		vap->va_gid = proc->p_ucred->cr_rgid;
 	} else {
 		vap->va_uid = 0;
 		vap->va_gid = 0;
 	}
 
 	if (pn->pn_attr != NULL)
 		error = pn_attr(curthread, proc, pn, vap);
 
 	if(proc != NULL)
 		PROC_UNLOCK(proc);
 
 	PFS_RETURN (error);
 }
 
 /*
  * Perform an ioctl
  */
 static int
 pfs_ioctl(struct vop_ioctl_args *va)
 {
 	struct vnode *vn;
 	struct pfs_vdata *pvd;
 	struct pfs_node *pn;
 	struct proc *proc;
 	int error;
 
 	vn = va->a_vp;
 	vn_lock(vn, LK_SHARED | LK_RETRY);
 	if (VN_IS_DOOMED(vn)) {
 		VOP_UNLOCK(vn);
 		return (EBADF);
 	}
 	pvd = vn->v_data;
 	pn = pvd->pvd_pn;
 
 	PFS_TRACE(("%s: %lx", pn->pn_name, va->a_command));
 	pfs_assert_not_owned(pn);
 
 	if (vn->v_type != VREG) {
 		VOP_UNLOCK(vn);
 		PFS_RETURN (EINVAL);
 	}
 	KASSERT_PN_IS_FILE(pn);
 
 	if (pn->pn_ioctl == NULL) {
 		VOP_UNLOCK(vn);
 		PFS_RETURN (ENOTTY);
 	}
 
 	/*
 	 * This is necessary because process' privileges may
 	 * have changed since the open() call.
 	 */
 	if (!pfs_visible(curthread, pn, pvd->pvd_pid, &proc)) {
 		VOP_UNLOCK(vn);
 		PFS_RETURN (EIO);
 	}
 
 	error = pn_ioctl(curthread, proc, pn, va->a_command, va->a_data);
 
 	if (proc != NULL)
 		PROC_UNLOCK(proc);
 
 	VOP_UNLOCK(vn);
 	PFS_RETURN (error);
 }
 
 /*
  * Perform getextattr
  */
 static int
 pfs_getextattr(struct vop_getextattr_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pn = pvd->pvd_pn;
 	struct proc *proc;
 	int error;
 
 	PFS_TRACE(("%s", pn->pn_name));
 	pfs_assert_not_owned(pn);
 
 	/*
 	 * This is necessary because either process' privileges may
 	 * have changed since the open() call.
 	 */
 	if (!pfs_visible(curthread, pn, pvd->pvd_pid, &proc))
 		PFS_RETURN (EIO);
 
 	if (pn->pn_getextattr == NULL)
 		error = EOPNOTSUPP;
 	else
 		error = pn_getextattr(curthread, proc, pn,
 		    va->a_attrnamespace, va->a_name, va->a_uio,
 		    va->a_size, va->a_cred);
 
 	if (proc != NULL)
 		PROC_UNLOCK(proc);
 
 	PFS_RETURN (error);
 }
 
 /*
  * Convert a vnode to its component name
  */
 static int
 pfs_vptocnp(struct vop_vptocnp_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode **dvp = ap->a_vpp;
 	struct pfs_vdata *pvd = vp->v_data;
 	struct pfs_node *pd = pvd->pvd_pn;
 	struct pfs_node *pn;
 	struct mount *mp;
 	char *buf = ap->a_buf;
 	size_t *buflen = ap->a_buflen;
 	char pidbuf[PFS_NAMELEN];
 	pid_t pid = pvd->pvd_pid;
 	int len, i, error, locked;
 
 	i = *buflen;
 	error = 0;
 
 	pfs_lock(pd);
 
 	if (vp->v_type == VDIR && pd->pn_type == pfstype_root) {
 		*dvp = vp;
 		vhold(*dvp);
 		pfs_unlock(pd);
 		PFS_RETURN (0);
 	} else if (vp->v_type == VDIR && pd->pn_type == pfstype_procdir) {
 		len = snprintf(pidbuf, sizeof(pidbuf), "%d", pid);
 		i -= len;
 		if (i < 0) {
 			error = ENOMEM;
 			goto failed;
 		}
 		bcopy(pidbuf, buf + i, len);
 	} else {
 		len = strlen(pd->pn_name);
 		i -= len;
 		if (i < 0) {
 			error = ENOMEM;
 			goto failed;
 		}
 		bcopy(pd->pn_name, buf + i, len);
 	}
 
 	pn = pd->pn_parent;
 	pfs_unlock(pd);
 
 	mp = vp->v_mount;
 	error = vfs_busy(mp, 0);
 	if (error)
 		return (error);
 
 	/*
 	 * vp is held by caller.
 	 */
 	locked = VOP_ISLOCKED(vp);
 	VOP_UNLOCK(vp);
 
 	error = pfs_vncache_alloc(mp, dvp, pn, pid);
 	if (error) {
 		vn_lock(vp, locked | LK_RETRY);
 		vfs_unbusy(mp);
 		PFS_RETURN(error);
 	}
 
 	*buflen = i;
 	VOP_UNLOCK(*dvp);
 	vn_lock(vp, locked | LK_RETRY);
 	vfs_unbusy(mp);
 
 	PFS_RETURN (0);
 failed:
 	pfs_unlock(pd);
 	PFS_RETURN(error);
 }
 
 /*
  * Look up a file or directory
  */
 static int
 pfs_lookup(struct vop_cachedlookup_args *va)
 {
 	struct vnode *vn = va->a_dvp;
 	struct vnode **vpp = va->a_vpp;
 	struct componentname *cnp = va->a_cnp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pd = pvd->pvd_pn;
 	struct pfs_node *pn, *pdn = NULL;
 	struct mount *mp;
 	pid_t pid = pvd->pvd_pid;
 	char *pname;
 	int error, i, namelen, visible;
 
 	PFS_TRACE(("%.*s", (int)cnp->cn_namelen, cnp->cn_nameptr));
 	pfs_assert_not_owned(pd);
 
 	if (vn->v_type != VDIR)
 		PFS_RETURN (ENOTDIR);
 	KASSERT_PN_IS_DIR(pd);
 
 	/*
 	 * Don't support DELETE or RENAME.  CREATE is supported so
 	 * that O_CREAT will work, but the lookup will still fail if
 	 * the file does not exist.
 	 */
 	if ((cnp->cn_flags & ISLASTCN) &&
 	    (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME))
 		PFS_RETURN (EOPNOTSUPP);
 
 	/* shortcut: check if the name is too long */
 	if (cnp->cn_namelen >= PFS_NAMELEN)
 		PFS_RETURN (ENOENT);
 
 	/* check that parent directory is visible... */
 	if (!pfs_visible(curthread, pd, pvd->pvd_pid, NULL))
 		PFS_RETURN (ENOENT);
 
 	/* self */
 	namelen = cnp->cn_namelen;
 	pname = cnp->cn_nameptr;
 	if (namelen == 1 && pname[0] == '.') {
 		pn = pd;
 		*vpp = vn;
-		VREF(vn);
+		vref(vn);
 		PFS_RETURN (0);
 	}
 
 	mp = vn->v_mount;
 
 	/* parent */
 	if (cnp->cn_flags & ISDOTDOT) {
 		if (pd->pn_type == pfstype_root)
 			PFS_RETURN (EIO);
 		error = vfs_busy(mp, MBF_NOWAIT);
 		if (error != 0) {
 			vfs_ref(mp);
 			VOP_UNLOCK(vn);
 			error = vfs_busy(mp, 0);
 			vn_lock(vn, LK_EXCLUSIVE | LK_RETRY);
 			vfs_rel(mp);
 			if (error != 0)
 				PFS_RETURN(ENOENT);
 			if (VN_IS_DOOMED(vn)) {
 				vfs_unbusy(mp);
 				PFS_RETURN(ENOENT);
 			}
 		}
 		VOP_UNLOCK(vn);
 		KASSERT(pd->pn_parent != NULL,
 		    ("%s(): non-root directory has no parent", __func__));
 		/*
 		 * This one is tricky.  Descendents of procdir nodes
 		 * inherit their parent's process affinity, but
 		 * there's no easy reverse mapping.  For simplicity,
 		 * we assume that if this node is a procdir, its
 		 * parent isn't (which is correct as long as
 		 * descendents of procdir nodes are never procdir
 		 * nodes themselves)
 		 */
 		if (pd->pn_type == pfstype_procdir)
 			pid = NO_PID;
 		pfs_lock(pd);
 		pn = pd->pn_parent;
 		pfs_unlock(pd);
 		goto got_pnode;
 	}
 
 	pfs_lock(pd);
 
 	/* named node */
 	for (pn = pd->pn_nodes; pn != NULL; pn = pn->pn_next)
 		if (pn->pn_type == pfstype_procdir)
 			pdn = pn;
 		else if (strncmp(pname, pn->pn_name, namelen) == 0 &&
 		    pn->pn_name[namelen] == '\0') {
 			pfs_unlock(pd);
 			goto got_pnode;
 		}
 
 	/* process dependent node */
 	if ((pn = pdn) != NULL) {
 		pid = 0;
 		for (pid = 0, i = 0; i < namelen && isdigit(pname[i]); ++i)
 			if ((pid = pid * 10 + pname[i] - '0') > PID_MAX)
 				break;
 		if (i == cnp->cn_namelen) {
 			pfs_unlock(pd);
 			goto got_pnode;
 		}
 	}
 
 	pfs_unlock(pd);
 
 	PFS_RETURN (ENOENT);
 
  got_pnode:
 	pfs_assert_not_owned(pd);
 	pfs_assert_not_owned(pn);
 	visible = pfs_visible(curthread, pn, pid, NULL);
 	if (!visible) {
 		error = ENOENT;
 		goto failed;
 	}
 
 	error = pfs_vncache_alloc(mp, vpp, pn, pid);
 	if (error)
 		goto failed;
 
 	if (cnp->cn_flags & ISDOTDOT) {
 		vfs_unbusy(mp);
 		vn_lock(vn, LK_EXCLUSIVE | LK_RETRY);
 		if (VN_IS_DOOMED(vn)) {
 			vput(*vpp);
 			*vpp = NULL;
 			PFS_RETURN(ENOENT);
 		}
 	}
 	if (cnp->cn_flags & MAKEENTRY && !VN_IS_DOOMED(vn))
 		cache_enter(vn, *vpp, cnp);
 	PFS_RETURN (0);
  failed:
 	if (cnp->cn_flags & ISDOTDOT) {
 		vfs_unbusy(mp);
 		vn_lock(vn, LK_EXCLUSIVE | LK_RETRY);
 		*vpp = NULL;
 	}
 	PFS_RETURN(error);
 }
 
 /*
  * Open a file or directory.
  */
 static int
 pfs_open(struct vop_open_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pn = pvd->pvd_pn;
 	int mode = va->a_mode;
 
 	PFS_TRACE(("%s (mode 0x%x)", pn->pn_name, mode));
 	pfs_assert_not_owned(pn);
 
 	/* check if the requested mode is permitted */
 	if (((mode & FREAD) && !(mode & PFS_RD)) ||
 	    ((mode & FWRITE) && !(mode & PFS_WR)))
 		PFS_RETURN (EPERM);
 
 	/* we don't support locking */
 	if ((mode & O_SHLOCK) || (mode & O_EXLOCK))
 		PFS_RETURN (EOPNOTSUPP);
 
 	PFS_RETURN (0);
 }
 
 struct sbuf_seek_helper {
 	off_t		skip_bytes;
 	struct uio	*uio;
 };
 
 static int
 pfs_sbuf_uio_drain(void *arg, const char *data, int len)
 {
 	struct sbuf_seek_helper *ssh;
 	struct uio *uio;
 	int error, skipped;
 
 	ssh = arg;
 	uio = ssh->uio;
 	skipped = 0;
 
 	/* Need to discard first uio_offset bytes. */
 	if (ssh->skip_bytes > 0) {
 		if (ssh->skip_bytes >= len) {
 			ssh->skip_bytes -= len;
 			return (len);
 		}
 
 		data += ssh->skip_bytes;
 		len -= ssh->skip_bytes;
 		skipped = ssh->skip_bytes;
 		ssh->skip_bytes = 0;
 	}
 
 	error = uiomove(__DECONST(void *, data), len, uio);
 	if (error != 0)
 		return (-error);
 
 	/*
 	 * The fill function has more to emit, but the reader is finished.
 	 * This is similar to the truncated read case for non-draining PFS
 	 * sbufs, and should be handled appropriately in fill-routines.
 	 */
 	if (uio->uio_resid == 0)
 		return (-ENOBUFS);
 
 	return (skipped + len);
 }
 
 /*
  * Read from a file
  */
 static int
 pfs_read(struct vop_read_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pn = pvd->pvd_pn;
 	struct uio *uio = va->a_uio;
 	struct proc *proc;
 	struct sbuf *sb = NULL;
 	int error, locked;
 	off_t buflen, buflim;
 	struct sbuf_seek_helper ssh;
 
 	PFS_TRACE(("%s", pn->pn_name));
 	pfs_assert_not_owned(pn);
 
 	if (vn->v_type != VREG)
 		PFS_RETURN (EINVAL);
 	KASSERT_PN_IS_FILE(pn);
 
 	if (!(pn->pn_flags & PFS_RD))
 		PFS_RETURN (EBADF);
 
 	if (pn->pn_fill == NULL)
 		PFS_RETURN (EIO);
 
 	/*
 	 * This is necessary because either process' privileges may
 	 * have changed since the open() call.
 	 */
 	if (!pfs_visible(curthread, pn, pvd->pvd_pid, &proc))
 		PFS_RETURN (EIO);
 	if (proc != NULL) {
 		_PHOLD(proc);
 		PROC_UNLOCK(proc);
 	}
 
 	vhold(vn);
 	locked = VOP_ISLOCKED(vn);
 	VOP_UNLOCK(vn);
 
 	if (pn->pn_flags & PFS_RAWRD) {
 		PFS_TRACE(("%zd resid", uio->uio_resid));
 		error = pn_fill(curthread, proc, pn, NULL, uio);
 		PFS_TRACE(("%zd resid", uio->uio_resid));
 		goto ret;
 	}
 
 	if (uio->uio_resid < 0 || uio->uio_offset < 0 ||
 	    uio->uio_resid > OFF_MAX - uio->uio_offset) {
 		error = EINVAL;
 		goto ret;
 	}
 	buflen = uio->uio_offset + uio->uio_resid + 1;
 	if (pn->pn_flags & PFS_AUTODRAIN)
 		/*
 		 * We can use a smaller buffer if we can stream output to the
 		 * consumer.
 		 */
 		buflim = PAGE_SIZE;
 	else
 		buflim = PFS_MAXBUFSIZ;
 	if (buflen > buflim)
 		buflen = buflim;
 
 	sb = sbuf_new(sb, NULL, buflen, 0);
 	if (sb == NULL) {
 		error = EIO;
 		goto ret;
 	}
 
 	if (pn->pn_flags & PFS_AUTODRAIN) {
 		ssh.skip_bytes = uio->uio_offset;
 		ssh.uio = uio;
 		sbuf_set_drain(sb, pfs_sbuf_uio_drain, &ssh);
 	}
 
 	error = pn_fill(curthread, proc, pn, sb, uio);
 
 	if (error) {
 		sbuf_delete(sb);
 		goto ret;
 	}
 
 	/*
 	 * XXX: If the buffer overflowed, sbuf_len() will not return
 	 * the data length. Then just use the full length because an
 	 * overflowed sbuf must be full.
 	 */
 	error = sbuf_finish(sb);
 	if ((pn->pn_flags & PFS_AUTODRAIN)) {
 		/*
 		 * ENOBUFS just indicates early termination of the fill
 		 * function as the caller's buffer was already filled.  Squash
 		 * to zero.
 		 */
 		if (uio->uio_resid == 0 && error == ENOBUFS)
 			error = 0;
 	} else {
 		if (error == 0)
 			buflen = sbuf_len(sb);
 		else
 			/* The trailing byte is not valid. */
 			buflen--;
 		error = uiomove_frombuf(sbuf_data(sb), buflen, uio);
 	}
 	sbuf_delete(sb);
 ret:
 	vn_lock(vn, locked | LK_RETRY);
 	vdrop(vn);
 	if (proc != NULL)
 		PRELE(proc);
 	PFS_RETURN (error);
 }
 
 /*
  * Iterate through directory entries
  */
 static int
 pfs_iterate(struct thread *td, struct proc *proc, struct pfs_node *pd,
 	    struct pfs_node **pn, struct proc **p)
 {
 	int visible;
 
 	sx_assert(&allproc_lock, SX_SLOCKED);
 	pfs_assert_owned(pd);
  again:
 	if (*pn == NULL) {
 		/* first node */
 		*pn = pd->pn_nodes;
 	} else if ((*pn)->pn_type != pfstype_procdir) {
 		/* next node */
 		*pn = (*pn)->pn_next;
 	}
 	if (*pn != NULL && (*pn)->pn_type == pfstype_procdir) {
 		/* next process */
 		if (*p == NULL)
 			*p = LIST_FIRST(&allproc);
 		else
 			*p = LIST_NEXT(*p, p_list);
 		/* out of processes: next node */
 		if (*p == NULL)
 			*pn = (*pn)->pn_next;
 		else
 			PROC_LOCK(*p);
 	}
 
 	if ((*pn) == NULL)
 		return (-1);
 
 	if (*p != NULL) {
 		visible = pfs_visible_proc(td, *pn, *p);
 		PROC_UNLOCK(*p);
 	} else if (proc != NULL) {
 		visible = pfs_visible_proc(td, *pn, proc);
 	} else {
 		visible = pn_vis(td, NULL, *pn);
 	}
 	if (!visible)
 		goto again;
 
 	return (0);
 }
 
 /* Directory entry list */
 struct pfsentry {
 	STAILQ_ENTRY(pfsentry)	link;
 	struct dirent		entry;
 };
 STAILQ_HEAD(pfsdirentlist, pfsentry);
 
 /*
  * Return directory entries.
  */
 static int
 pfs_readdir(struct vop_readdir_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pd = pvd->pvd_pn;
 	pid_t pid = pvd->pvd_pid;
 	struct proc *p, *proc;
 	struct pfs_node *pn;
 	struct uio *uio;
 	struct pfsentry *pfsent, *pfsent2;
 	struct pfsdirentlist lst;
 	off_t coffset, offset;
 	int error, i, resid;
 
 	STAILQ_INIT(&lst);
 	error = 0;
 	KASSERT(pd->pn_info == vn->v_mount->mnt_data,
 	    ("%s(): pn_info does not match mountpoint", __func__));
 	PFS_TRACE(("%s pid %lu", pd->pn_name, (unsigned long)pid));
 	pfs_assert_not_owned(pd);
 
 	if (va->a_eofflag != NULL)
 		*va->a_eofflag = 0;
 
 	if (vn->v_type != VDIR)
 		PFS_RETURN (ENOTDIR);
 	KASSERT_PN_IS_DIR(pd);
 	uio = va->a_uio;
 
 	/* only allow reading entire entries */
 	offset = uio->uio_offset;
 	resid = uio->uio_resid;
 	if (offset < 0 || offset % PFS_DELEN != 0 ||
 	    (resid && resid < PFS_DELEN))
 		PFS_RETURN (EINVAL);
 	if (resid == 0)
 		PFS_RETURN (0);
 
 	proc = NULL;
 	if (pid != NO_PID && !pfs_lookup_proc(pid, &proc))
 		PFS_RETURN (ENOENT);
 
 	/*
 	 * The allproc lock is required in pfs_iterate() for procdir
 	 * directories.
 	 */
 	sx_slock(&allproc_lock);
 	pfs_lock(pd);
 
 	KASSERT(pid == NO_PID || proc != NULL,
 	    ("%s(): no process for pid %lu", __func__, (unsigned long)pid));
 
 	if (pid != NO_PID) {
 		PROC_LOCK(proc);
 
 		/* check if the directory is visible to the caller */
 		if (!pfs_visible_proc(curthread, pd, proc)) {
 			_PRELE(proc);
 			PROC_UNLOCK(proc);
 			pfs_unlock(pd);
 			sx_sunlock(&allproc_lock);
 			PFS_RETURN (ENOENT);
 		}
 	}
 
 	for (pn = NULL, p = NULL, coffset = 0; resid >= PFS_DELEN;
 	    coffset += PFS_DELEN) {
 		if (pfs_iterate(curthread, proc, pd, &pn, &p) == -1) {
 			if (va->a_eofflag != NULL)
 				*va->a_eofflag = 1;
 			break;
 		}
 		if (coffset < offset)
 			continue;
 		if ((pfsent = malloc(sizeof(struct pfsentry), M_IOV,
 		    M_NOWAIT | M_ZERO)) == NULL) {
 			error = ENOMEM;
 			break;
 		}
 		pfsent->entry.d_reclen = PFS_DELEN;
 		pfsent->entry.d_fileno = pn_fileno(pn, pid);
 		/* PFS_DELEN was picked to fit PFS_NAMLEN */
 		for (i = 0; i < PFS_NAMELEN - 1 && pn->pn_name[i] != '\0'; ++i)
 			pfsent->entry.d_name[i] = pn->pn_name[i];
 		pfsent->entry.d_namlen = i;
 		/* NOTE: d_off is the offset of the *next* entry. */
 		pfsent->entry.d_off = offset + PFS_DELEN;
 		switch (pn->pn_type) {
 		case pfstype_procdir:
 			KASSERT(p != NULL,
 			    ("reached procdir node with p == NULL"));
 			pfsent->entry.d_namlen = snprintf(pfsent->entry.d_name,
 			    PFS_NAMELEN, "%d", p->p_pid);
 			/* fall through */
 		case pfstype_root:
 		case pfstype_dir:
 		case pfstype_this:
 		case pfstype_parent:
 			pfsent->entry.d_type = DT_DIR;
 			break;
 		case pfstype_file:
 			pfsent->entry.d_type = DT_REG;
 			break;
 		case pfstype_symlink:
 			pfsent->entry.d_type = DT_LNK;
 			break;
 		default:
 			panic("%s has unexpected node type: %d", pn->pn_name, pn->pn_type);
 		}
 		PFS_TRACE(("%s", pfsent->entry.d_name));
 		dirent_terminate(&pfsent->entry);
 		STAILQ_INSERT_TAIL(&lst, pfsent, link);
 		offset += PFS_DELEN;
 		resid -= PFS_DELEN;
 	}
 	if (proc != NULL) {
 		_PRELE(proc);
 		PROC_UNLOCK(proc);
 	}
 	pfs_unlock(pd);
 	sx_sunlock(&allproc_lock);
 	i = 0;
 	STAILQ_FOREACH_SAFE(pfsent, &lst, link, pfsent2) {
 		if (error == 0)
 			error = uiomove(&pfsent->entry, PFS_DELEN, uio);
 		free(pfsent, M_IOV);
 		i++;
 	}
 	PFS_TRACE(("%ju bytes", (uintmax_t)(i * PFS_DELEN)));
 	PFS_RETURN (error);
 }
 
 /*
  * Read a symbolic link
  */
 static int
 pfs_readlink(struct vop_readlink_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pn = pvd->pvd_pn;
 	struct uio *uio = va->a_uio;
 	struct proc *proc = NULL;
 	char buf[PATH_MAX];
 	struct sbuf sb;
 	int error, locked;
 
 	PFS_TRACE(("%s", pn->pn_name));
 	pfs_assert_not_owned(pn);
 
 	if (vn->v_type != VLNK)
 		PFS_RETURN (EINVAL);
 	KASSERT_PN_IS_LINK(pn);
 
 	if (pn->pn_fill == NULL)
 		PFS_RETURN (EIO);
 
 	if (pvd->pvd_pid != NO_PID) {
 		if ((proc = pfind(pvd->pvd_pid)) == NULL)
 			PFS_RETURN (EIO);
 		if (proc->p_flag & P_WEXIT) {
 			PROC_UNLOCK(proc);
 			PFS_RETURN (EIO);
 		}
 		_PHOLD(proc);
 		PROC_UNLOCK(proc);
 	}
 	vhold(vn);
 	locked = VOP_ISLOCKED(vn);
 	VOP_UNLOCK(vn);
 
 	/* sbuf_new() can't fail with a static buffer */
 	sbuf_new(&sb, buf, sizeof buf, 0);
 
 	error = pn_fill(curthread, proc, pn, &sb, NULL);
 
 	if (proc != NULL)
 		PRELE(proc);
 	vn_lock(vn, locked | LK_RETRY);
 	vdrop(vn);
 
 	if (error) {
 		sbuf_delete(&sb);
 		PFS_RETURN (error);
 	}
 
 	if (sbuf_finish(&sb) != 0) {
 		sbuf_delete(&sb);
 		PFS_RETURN (ENAMETOOLONG);
 	}
 
 	error = uiomove_frombuf(sbuf_data(&sb), sbuf_len(&sb), uio);
 	sbuf_delete(&sb);
 	PFS_RETURN (error);
 }
 
 /*
  * Reclaim a vnode
  */
 static int
 pfs_reclaim(struct vop_reclaim_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pn = pvd->pvd_pn;
 
 	PFS_TRACE(("%s", pn->pn_name));
 	pfs_assert_not_owned(pn);
 
 	return (pfs_vncache_free(va->a_vp));
 }
 
 /*
  * Set attributes
  */
 static int
 pfs_setattr(struct vop_setattr_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pn = pvd->pvd_pn;
 
 	PFS_TRACE(("%s", pn->pn_name));
 	pfs_assert_not_owned(pn);
 
 	/* Silently ignore unchangeable attributes. */
 	PFS_RETURN (0);
 }
 
 /*
  * Write to a file
  */
 static int
 pfs_write(struct vop_write_args *va)
 {
 	struct vnode *vn = va->a_vp;
 	struct pfs_vdata *pvd = vn->v_data;
 	struct pfs_node *pn = pvd->pvd_pn;
 	struct uio *uio = va->a_uio;
 	struct proc *proc;
 	struct sbuf sb;
 	int error;
 
 	PFS_TRACE(("%s", pn->pn_name));
 	pfs_assert_not_owned(pn);
 
 	if (vn->v_type != VREG)
 		PFS_RETURN (EINVAL);
 	KASSERT_PN_IS_FILE(pn);
 
 	if (!(pn->pn_flags & PFS_WR))
 		PFS_RETURN (EBADF);
 
 	if (pn->pn_fill == NULL)
 		PFS_RETURN (EIO);
 
 	if (uio->uio_resid > PFS_MAXBUFSIZ)
 		PFS_RETURN (EIO);
 
 	/*
 	 * This is necessary because either process' privileges may
 	 * have changed since the open() call.
 	 */
 	if (!pfs_visible(curthread, pn, pvd->pvd_pid, &proc))
 		PFS_RETURN (EIO);
 	if (proc != NULL) {
 		_PHOLD(proc);
 		PROC_UNLOCK(proc);
 	}
 
 	if (pn->pn_flags & PFS_RAWWR) {
 		error = pn_fill(curthread, proc, pn, NULL, uio);
 		if (proc != NULL)
 			PRELE(proc);
 		PFS_RETURN (error);
 	}
 
 	sbuf_uionew(&sb, uio, &error);
 	if (error) {
 		if (proc != NULL)
 			PRELE(proc);
 		PFS_RETURN (error);
 	}
 
 	error = pn_fill(curthread, proc, pn, &sb, uio);
 
 	sbuf_delete(&sb);
 	if (proc != NULL)
 		PRELE(proc);
 	PFS_RETURN (error);
 }
 
 /*
  * Vnode operations
  */
 struct vop_vector pfs_vnodeops = {
 	.vop_default =		&default_vnodeops,
 
 	.vop_access =		pfs_access,
 	.vop_cachedlookup =	pfs_lookup,
 	.vop_close =		pfs_close,
 	.vop_create =		VOP_EOPNOTSUPP,
 	.vop_getattr =		pfs_getattr,
 	.vop_getextattr =	pfs_getextattr,
 	.vop_ioctl =		pfs_ioctl,
 	.vop_link =		VOP_EOPNOTSUPP,
 	.vop_lookup =		vfs_cache_lookup,
 	.vop_mkdir =		VOP_EOPNOTSUPP,
 	.vop_mknod =		VOP_EOPNOTSUPP,
 	.vop_open =		pfs_open,
 	.vop_read =		pfs_read,
 	.vop_readdir =		pfs_readdir,
 	.vop_readlink =		pfs_readlink,
 	.vop_reclaim =		pfs_reclaim,
 	.vop_remove =		VOP_EOPNOTSUPP,
 	.vop_rename =		VOP_EOPNOTSUPP,
 	.vop_rmdir =		VOP_EOPNOTSUPP,
 	.vop_setattr =		pfs_setattr,
 	.vop_symlink =		VOP_EOPNOTSUPP,
 	.vop_vptocnp =		pfs_vptocnp,
 	.vop_write =		pfs_write,
 	.vop_add_writecount =	vop_stdadd_writecount_nomsync,
 	/* XXX I've probably forgotten a few that need VOP_EOPNOTSUPP */
 };
 VFS_VOP_VECTOR_REGISTER(pfs_vnodeops);
diff --git a/sys/fs/smbfs/smbfs_vnops.c b/sys/fs/smbfs/smbfs_vnops.c
index a97bc22b3aca..e960d8d78b66 100644
--- a/sys/fs/smbfs/smbfs_vnops.c
+++ b/sys/fs/smbfs/smbfs_vnops.c
@@ -1,1249 +1,1249 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause
  *
  * Copyright (c) 2000-2001 Boris Popov
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/namei.h>
 #include <sys/kernel.h>
 #include <sys/proc.h>
 #include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/fcntl.h>
 #include <sys/mount.h>
 #include <sys/unistd.h>
 #include <sys/vnode.h>
 #include <sys/limits.h>
 #include <sys/lockf.h>
 #include <sys/stat.h>
 
 #include <vm/vm.h>
 #include <vm/vm_extern.h>
 
 #include <netsmb/smb.h>
 #include <netsmb/smb_conn.h>
 #include <netsmb/smb_subr.h>
 
 #include <fs/smbfs/smbfs.h>
 #include <fs/smbfs/smbfs_node.h>
 #include <fs/smbfs/smbfs_subr.h>
 
 /*
  * Prototypes for SMBFS vnode operations
  */
 static vop_create_t	smbfs_create;
 static vop_mknod_t	smbfs_mknod;
 static vop_open_t	smbfs_open;
 static vop_close_t	smbfs_close;
 static vop_access_t	smbfs_access;
 static vop_getattr_t	smbfs_getattr;
 static vop_setattr_t	smbfs_setattr;
 static vop_read_t	smbfs_read;
 static vop_write_t	smbfs_write;
 static vop_fsync_t	smbfs_fsync;
 static vop_remove_t	smbfs_remove;
 static vop_link_t	smbfs_link;
 static vop_lookup_t	smbfs_lookup;
 static vop_rename_t	smbfs_rename;
 static vop_mkdir_t	smbfs_mkdir;
 static vop_rmdir_t	smbfs_rmdir;
 static vop_symlink_t	smbfs_symlink;
 static vop_readdir_t	smbfs_readdir;
 static vop_strategy_t	smbfs_strategy;
 static vop_print_t	smbfs_print;
 static vop_pathconf_t	smbfs_pathconf;
 static vop_advlock_t	smbfs_advlock;
 static vop_getextattr_t	smbfs_getextattr;
 
 struct vop_vector smbfs_vnodeops = {
 	.vop_default =		&default_vnodeops,
 
 	.vop_access =		smbfs_access,
 	.vop_advlock =		smbfs_advlock,
 	.vop_close =		smbfs_close,
 	.vop_create =		smbfs_create,
 	.vop_fsync =		smbfs_fsync,
 	.vop_getattr =		smbfs_getattr,
 	.vop_getextattr = 	smbfs_getextattr,
 	.vop_getpages =		smbfs_getpages,
 	.vop_inactive =		smbfs_inactive,
 	.vop_ioctl =		smbfs_ioctl,
 	.vop_link =		smbfs_link,
 	.vop_lookup =		smbfs_lookup,
 	.vop_mkdir =		smbfs_mkdir,
 	.vop_mknod =		smbfs_mknod,
 	.vop_open =		smbfs_open,
 	.vop_pathconf =		smbfs_pathconf,
 	.vop_print =		smbfs_print,
 	.vop_putpages =		smbfs_putpages,
 	.vop_read =		smbfs_read,
 	.vop_readdir =		smbfs_readdir,
 	.vop_reclaim =		smbfs_reclaim,
 	.vop_remove =		smbfs_remove,
 	.vop_rename =		smbfs_rename,
 	.vop_rmdir =		smbfs_rmdir,
 	.vop_setattr =		smbfs_setattr,
 /*	.vop_setextattr =	smbfs_setextattr,*/
 	.vop_strategy =		smbfs_strategy,
 	.vop_symlink =		smbfs_symlink,
 	.vop_write =		smbfs_write,
 };
 VFS_VOP_VECTOR_REGISTER(smbfs_vnodeops);
 
 static int
 smbfs_access(struct vop_access_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	accmode_t accmode = ap->a_accmode;
 	mode_t mpmode;
 	struct smbmount *smp = VTOSMBFS(vp);
 
 	SMBVDEBUG("\n");
 	if ((accmode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
 		switch (vp->v_type) {
 		    case VREG: case VDIR: case VLNK:
 			return EROFS;
 		    default:
 			break;
 		}
 	}
 	mpmode = vp->v_type == VREG ? smp->sm_file_mode : smp->sm_dir_mode;
 	return (vaccess(vp->v_type, mpmode, smp->sm_uid,
 	    smp->sm_gid, ap->a_accmode, ap->a_cred));
 }
 
 /* ARGSUSED */
 static int
 smbfs_open(struct vop_open_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct smbnode *np = VTOSMB(vp);
 	struct smb_cred *scred;
 	struct vattr vattr;
 	int mode = ap->a_mode;
 	int error, accmode;
 
 	SMBVDEBUG("%s,%d\n", np->n_name, (np->n_flag & NOPEN) != 0);
 	if (vp->v_type != VREG && vp->v_type != VDIR) { 
 		SMBFSERR("open eacces vtype=%d\n", vp->v_type);
 		return EACCES;
 	}
 	if (vp->v_type == VDIR) {
 		np->n_flag |= NOPEN;
 		return 0;
 	}
 	if (np->n_flag & NMODIFIED) {
 		if ((error = smbfs_vinvalbuf(vp, ap->a_td)) == EINTR)
 			return error;
 		smbfs_attr_cacheremove(vp);
 		error = VOP_GETATTR(vp, &vattr, ap->a_cred);
 		if (error)
 			return error;
 		np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
 	} else {
 		error = VOP_GETATTR(vp, &vattr, ap->a_cred);
 		if (error)
 			return error;
 		if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
 			error = smbfs_vinvalbuf(vp, ap->a_td);
 			if (error == EINTR)
 				return error;
 			np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
 		}
 	}
 	if ((np->n_flag & NOPEN) != 0)
 		return 0;
 	/*
 	 * Use DENYNONE to give unixy semantics of permitting
 	 * everything not forbidden by permissions.  Ie denial
 	 * is up to server with clients/openers needing to use
 	 * advisory locks for further control.
 	 */
 	accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
 	if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
 		accmode = SMB_SM_DENYNONE|SMB_AM_OPENRW;
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, ap->a_td, ap->a_cred);
 	error = smbfs_smb_open(np, accmode, scred);
 	if (error) {
 		if (mode & FWRITE)
 			return EACCES;
 		else if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
 			accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
 			error = smbfs_smb_open(np, accmode, scred);
 		}
 	}
 	if (error == 0) {
 		np->n_flag |= NOPEN;
 		vnode_create_vobject(ap->a_vp, vattr.va_size, ap->a_td);
 	}
 	smbfs_attr_cacheremove(vp);
 	smbfs_free_scred(scred);
 	return error;
 }
 
 static int
 smbfs_close(struct vop_close_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct thread *td = ap->a_td;
 	struct smbnode *np = VTOSMB(vp);
 	struct smb_cred *scred;
 
 	if (vp->v_type == VDIR && (np->n_flag & NOPEN) != 0 &&
 	    np->n_dirseq != NULL) {
 		scred = smbfs_malloc_scred();
 		smb_makescred(scred, td, ap->a_cred);
 		smbfs_findclose(np->n_dirseq, scred);
 		smbfs_free_scred(scred);
 		np->n_dirseq = NULL;
 	}
 	return 0;
 }
 
 /*
  * smbfs_getattr call from vfs.
  */
 static int
 smbfs_getattr(struct vop_getattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct smbnode *np = VTOSMB(vp);
 	struct vattr *va=ap->a_vap;
 	struct smbfattr fattr;
 	struct smb_cred *scred;
 	u_quad_t oldsize;
 	int error;
 
 	SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_vflag & VV_ROOT) != 0);
 	error = smbfs_attr_cachelookup(vp, va);
 	if (!error)
 		return 0;
 	SMBVDEBUG("not in the cache\n");
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, curthread, ap->a_cred);
 	oldsize = np->n_size;
 	error = smbfs_smb_lookup(np, NULL, 0, &fattr, scred);
 	if (error) {
 		SMBVDEBUG("error %d\n", error);
 		smbfs_free_scred(scred);
 		return error;
 	}
 	smbfs_attr_cacheenter(vp, &fattr);
 	smbfs_attr_cachelookup(vp, va);
 	if (np->n_flag & NOPEN)
 		np->n_size = oldsize;
 	smbfs_free_scred(scred);
 	return 0;
 }
 
 static int
 smbfs_setattr(struct vop_setattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct smbnode *np = VTOSMB(vp);
 	struct vattr *vap = ap->a_vap;
 	struct timespec *mtime, *atime;
 	struct smb_cred *scred;
 	struct smb_share *ssp = np->n_mount->sm_share;
 	struct smb_vc *vcp = SSTOVC(ssp);
 	struct thread *td = curthread;
 	u_quad_t tsize = 0;
 	int isreadonly, doclose, error = 0;
 	int old_n_dosattr;
 
 	SMBVDEBUG("\n");
 	isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
 	/*
 	 * Disallow write attempts if the filesystem is mounted read-only.
 	 */
   	if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL || 
 	     vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
 	     vap->va_mode != (mode_t)VNOVAL || vap->va_flags != VNOVAL) &&
 	     isreadonly)
 		return EROFS;
 
 	/*
 	 * We only support setting four flags.  Don't allow setting others.
 	 *
 	 * We map UF_READONLY to SMB_FA_RDONLY, unlike the MacOS X version
 	 * of this code, which maps both UF_IMMUTABLE AND SF_IMMUTABLE to
 	 * SMB_FA_RDONLY.  The immutable flags have different semantics
 	 * than readonly, which is the reason for the difference.
 	 */
 	if (vap->va_flags != VNOVAL) {
 		if (vap->va_flags & ~(UF_HIDDEN|UF_SYSTEM|UF_ARCHIVE|
 				      UF_READONLY))
 			return EINVAL;
 	}
 
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, td, ap->a_cred);
 	if (vap->va_size != VNOVAL) {
  		switch (vp->v_type) {
  		    case VDIR:
  			error = EISDIR;
 			goto out;
  		    case VREG:
 			break;
  		    default:
 			error = EINVAL;
 			goto out;
   		}
 		if (isreadonly) {
 			error = EROFS;
 			goto out;
 		}
 		doclose = 0;
 		vnode_pager_setsize(vp, (u_long)vap->va_size);
  		tsize = np->n_size;
  		np->n_size = vap->va_size;
 		if ((np->n_flag & NOPEN) == 0) {
 			error = smbfs_smb_open(np,
 					       SMB_SM_DENYNONE|SMB_AM_OPENRW,
 					       scred);
 			if (error == 0)
 				doclose = 1;
 		}
 		if (error == 0)
 			error = smbfs_smb_setfsize(np,
 			    (int64_t)vap->va_size, scred);
 		if (doclose)
 			smbfs_smb_close(ssp, np->n_fid, NULL, scred);
 		if (error) {
 			np->n_size = tsize;
 			vnode_pager_setsize(vp, (u_long)tsize);
 			goto out;
 		}
   	}
 	if ((vap->va_flags != VNOVAL) || (vap->va_mode != (mode_t)VNOVAL)) {
 		old_n_dosattr = np->n_dosattr;
 
 		if (vap->va_mode != (mode_t)VNOVAL) {
 			if (vap->va_mode & S_IWUSR)
 				np->n_dosattr &= ~SMB_FA_RDONLY;
 			else
 				np->n_dosattr |= SMB_FA_RDONLY;
 		}
 
 		if (vap->va_flags != VNOVAL) {
 			if (vap->va_flags & UF_HIDDEN)
 				np->n_dosattr |= SMB_FA_HIDDEN;
 			else
 				np->n_dosattr &= ~SMB_FA_HIDDEN;
 
 			if (vap->va_flags & UF_SYSTEM)
 				np->n_dosattr |= SMB_FA_SYSTEM;
 			else
 				np->n_dosattr &= ~SMB_FA_SYSTEM;
 
 			if (vap->va_flags & UF_ARCHIVE)
 				np->n_dosattr |= SMB_FA_ARCHIVE;
 			else
 				np->n_dosattr &= ~SMB_FA_ARCHIVE;
 
 			/*
 			 * We only support setting the immutable / readonly
 			 * bit for regular files.  According to comments in
 			 * the MacOS X version of this code, supporting the
 			 * readonly bit on directories doesn't do the same
 			 * thing in Windows as in Unix.
 			 */
 			if (vp->v_type == VREG) {
 				if (vap->va_flags & UF_READONLY)
 					np->n_dosattr |= SMB_FA_RDONLY;
 				else
 					np->n_dosattr &= ~SMB_FA_RDONLY;
 			}
 		}
 
 		if (np->n_dosattr != old_n_dosattr) {
 			error = smbfs_smb_setpattr(np, np->n_dosattr, NULL, scred);
 			if (error)
 				goto out;
 		}
 	}
 	mtime = atime = NULL;
 	if (vap->va_mtime.tv_sec != VNOVAL)
 		mtime = &vap->va_mtime;
 	if (vap->va_atime.tv_sec != VNOVAL)
 		atime = &vap->va_atime;
 	if (mtime != atime) {
 		if (vap->va_vaflags & VA_UTIMES_NULL) {
 			error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
 			if (error)
 				error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td);
 		} else
 			error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
 #if 0
 		if (mtime == NULL)
 			mtime = &np->n_mtime;
 		if (atime == NULL)
 			atime = &np->n_atime;
 #endif
 		/*
 		 * If file is opened, then we can use handle based calls.
 		 * If not, use path based ones.
 		 */
 		if ((np->n_flag & NOPEN) == 0) {
 			if (vcp->vc_flags & SMBV_WIN95) {
 				error = VOP_OPEN(vp, FWRITE, ap->a_cred, td,
 				    NULL);
 				if (!error) {
 /*					error = smbfs_smb_setfattrNT(np, 0,
 					    mtime, atime, scred);
 					VOP_GETATTR(vp, &vattr, ap->a_cred); */
 					if (mtime)
 						np->n_mtime = *mtime;
 					VOP_CLOSE(vp, FWRITE, ap->a_cred, td);
 				}
 			} else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
 				error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
 /*				error = smbfs_smb_setpattrNT(np, 0, mtime, atime, scred);*/
 			} else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
 				error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
 			} else {
 				error = smbfs_smb_setpattr(np, 0, mtime, scred);
 			}
 		} else {
 			if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
 				error = smbfs_smb_setfattrNT(np, 0, mtime, atime, scred);
 			} else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
 				error = smbfs_smb_setftime(np, mtime, atime, scred);
 			} else {
 				/*
 				 * I have no idea how to handle this for core
 				 * level servers. The possible solution is to
 				 * update mtime after file is closed.
 				 */
 				 SMBERROR("can't update times on an opened file\n");
 			}
 		}
 	}
 	/*
 	 * Invalidate attribute cache in case if server doesn't set
 	 * required attributes.
 	 */
 	smbfs_attr_cacheremove(vp);	/* invalidate cache */
 	VOP_GETATTR(vp, vap, ap->a_cred);
 	np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
 out:
 	smbfs_free_scred(scred);
 	return error;
 }
 /*
  * smbfs_read call.
  */
 static int
 smbfs_read(struct vop_read_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct uio *uio = ap->a_uio;
 
 	SMBVDEBUG("\n");
 	if (vp->v_type != VREG && vp->v_type != VDIR)
 		return EPERM;
 	return smbfs_readvnode(vp, uio, ap->a_cred, NULL);
 }
 
 static int
 smbfs_write(struct vop_write_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct uio *uio = ap->a_uio;
 
 	SMBVDEBUG("%d,ofs=%jd,sz=%zd\n",vp->v_type, (intmax_t)uio->uio_offset, 
 	    uio->uio_resid);
 	if (vp->v_type != VREG)
 		return (EPERM);
 	return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
 }
 /*
  * smbfs_create call
  * Create a regular file. On entry the directory to contain the file being
  * created is locked.  We must release before we return. We must also free
  * the pathname buffer pointed at by cnp->cn_pnbuf, always on error.
  */
 static int
 smbfs_create(struct vop_create_args *ap)
 {
 	struct vnode *dvp = ap->a_dvp;
 	struct vattr *vap = ap->a_vap;
 	struct vnode **vpp=ap->a_vpp;
 	struct componentname *cnp = ap->a_cnp;
 	struct smbnode *dnp = VTOSMB(dvp);
 	struct vnode *vp;
 	struct vattr vattr;
 	struct smbfattr fattr;
 	struct smb_cred *scred;
 	char *name = cnp->cn_nameptr;
 	int nmlen = cnp->cn_namelen;
 	int error;
 
 	SMBVDEBUG("\n");
 	*vpp = NULL;
 	if (vap->va_type != VREG)
 		return EOPNOTSUPP;
 	if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
 		return error;
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, curthread, cnp->cn_cred);
 
 	error = smbfs_smb_create(dnp, name, nmlen, scred);
 	if (error)
 		goto out;
 	error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, scred);
 	if (error)
 		goto out;
 	error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
 	if (error)
 		goto out;
 	*vpp = vp;
 	if (cnp->cn_flags & MAKEENTRY)
 		cache_enter(dvp, vp, cnp);
 out:
 	smbfs_free_scred(scred);
 	return error;
 }
 
 static int
 smbfs_remove(struct vop_remove_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 /*	struct vnode *dvp = ap->a_dvp;*/
 	struct componentname *cnp = ap->a_cnp;
 	struct smbnode *np = VTOSMB(vp);
 	struct smb_cred *scred;
 	int error;
 
 	if (vp->v_type == VDIR || (np->n_flag & NOPEN) != 0 || vrefcnt(vp) != 1)
 		return EPERM;
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, curthread, cnp->cn_cred);
 	error = smbfs_smb_delete(np, scred);
 	if (error == 0)
 		np->n_flag |= NGONE;
 	cache_purge(vp);
 	smbfs_free_scred(scred);
 	return error;
 }
 
 /*
  * smbfs_file rename call
  */
 static int
 smbfs_rename(struct vop_rename_args *ap)
 {
 	struct vnode *fvp = ap->a_fvp;
 	struct vnode *tvp = ap->a_tvp;
 	struct vnode *fdvp = ap->a_fdvp;
 	struct vnode *tdvp = ap->a_tdvp;
 	struct componentname *tcnp = ap->a_tcnp;
 /*	struct componentname *fcnp = ap->a_fcnp;*/
 	struct smb_cred *scred;
 #ifdef notnow
 	u_int16_t flags = 6;
 #endif
 	int error=0;
 
 	scred = NULL;
 	/* Check for cross-device rename */
 	if ((fvp->v_mount != tdvp->v_mount) ||
 	    (tvp && (fvp->v_mount != tvp->v_mount))) {
 		error = EXDEV;
 		goto out;
 	}
 
 	if (tvp && vrefcnt(tvp) > 1) {
 		error = EBUSY;
 		goto out;
 	}
 #ifdef notnow
 	flags = 0x10;			/* verify all writes */
 #endif
 	if (fvp->v_type == VDIR) {
 #ifdef notnow
 		flags |= 2;
 #endif
 	} else if (fvp->v_type == VREG) {
 #ifdef notnow
 		flags |= 1;
 #endif
 	} else {
 		return EINVAL;
 	}
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, curthread, tcnp->cn_cred);
 	/*
 	 * It seems that Samba doesn't implement SMB_COM_MOVE call...
 	 */
 #ifdef notnow
 	if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
 		error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
 		    tcnp->cn_nameptr, tcnp->cn_namelen, flags, scred);
 	} else
 #endif
 	{
 		/*
 		 * We have to do the work atomicaly
 		 */
 		if (tvp && tvp != fvp) {
 			error = smbfs_smb_delete(VTOSMB(tvp), scred);
 			if (error)
 				goto out_cacherem;
 			VTOSMB(fvp)->n_flag |= NGONE;
 		}
 		error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
 		    tcnp->cn_nameptr, tcnp->cn_namelen, scred);
 	}
 
 	if (fvp->v_type == VDIR) {
 		if (tvp != NULL && tvp->v_type == VDIR)
 			cache_purge(tdvp);
 		cache_purge(fdvp);
 	}
 
 out_cacherem:
 	smbfs_attr_cacheremove(fdvp);
 	smbfs_attr_cacheremove(tdvp);
 out:
 	smbfs_free_scred(scred);
 	if (tdvp == tvp)
 		vrele(tdvp);
 	else
 		vput(tdvp);
 	if (tvp)
 		vput(tvp);
 	vrele(fdvp);
 	vrele(fvp);
 #ifdef possible_mistake
 	vgone(fvp);
 	if (tvp)
 		vgone(tvp);
 #endif
 	return error;
 }
 
 /*
  * somtime it will come true...
  */
 static int
 smbfs_link(struct vop_link_args *ap)
 {
 	return EOPNOTSUPP;
 }
 
 /*
  * smbfs_symlink link create call.
  * Sometime it will be functional...
  */
 static int
 smbfs_symlink(struct vop_symlink_args *ap)
 {
 	return EOPNOTSUPP;
 }
 
 static int
 smbfs_mknod(struct vop_mknod_args *ap)
 {
 	return EOPNOTSUPP;
 }
 
 static int
 smbfs_mkdir(struct vop_mkdir_args *ap)
 {
 	struct vnode *dvp = ap->a_dvp;
 /*	struct vattr *vap = ap->a_vap;*/
 	struct vnode *vp;
 	struct componentname *cnp = ap->a_cnp;
 	struct smbnode *dnp = VTOSMB(dvp);
 	struct vattr vattr;
 	struct smb_cred *scred;
 	struct smbfattr fattr;
 	char *name = cnp->cn_nameptr;
 	int len = cnp->cn_namelen;
 	int error;
 
 	if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred))) {
 		return error;
 	}
 	if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
 		return EEXIST;
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, curthread, cnp->cn_cred);
 	error = smbfs_smb_mkdir(dnp, name, len, scred);
 	if (error)
 		goto out;
 	error = smbfs_smb_lookup(dnp, name, len, &fattr, scred);
 	if (error)
 		goto out;
 	error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
 	if (error)
 		goto out;
 	*ap->a_vpp = vp;
 out:
 	smbfs_free_scred(scred);
 	return error;
 }
 
 /*
  * smbfs_remove directory call
  */
 static int
 smbfs_rmdir(struct vop_rmdir_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vnode *dvp = ap->a_dvp;
 	struct componentname *cnp = ap->a_cnp;
 /*	struct smbmount *smp = VTOSMBFS(vp);*/
 	struct smbnode *dnp = VTOSMB(dvp);
 	struct smbnode *np = VTOSMB(vp);
 	struct smb_cred *scred;
 	int error;
 
 	if (dvp == vp)
 		return EINVAL;
 
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, curthread, cnp->cn_cred);
 	error = smbfs_smb_rmdir(np, scred);
 	if (error == 0)
 		np->n_flag |= NGONE;
 	dnp->n_flag |= NMODIFIED;
 	smbfs_attr_cacheremove(dvp);
 /*	cache_purge(dvp);*/
 	cache_purge(vp);
 	smbfs_free_scred(scred);
 	return error;
 }
 
 /*
  * smbfs_readdir call
  */
 static int
 smbfs_readdir(struct vop_readdir_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct uio *uio = ap->a_uio;
 
 	if (vp->v_type != VDIR)
 		return (EPERM);
 #ifdef notnow
 	if (ap->a_ncookies) {
 		printf("smbfs_readdir: no support for cookies now...");
 		return (EOPNOTSUPP);
 	}
 #endif
 	return (smbfs_readvnode(vp, uio, ap->a_cred, ap->a_eofflag));
 }
 
 /* ARGSUSED */
 static int
 smbfs_fsync(struct vop_fsync_args *ap)
 {
 /*	return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
     return (0);
 }
 
 static
 int smbfs_print(struct vop_print_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct smbnode *np = VTOSMB(vp);
 
 	if (np == NULL) {
 		printf("no smbnode data\n");
 		return (0);
 	}
 	printf("\tname = %s, parent = %p, open = %d\n", np->n_name,
 	    np->n_parent ? np->n_parent : NULL, (np->n_flag & NOPEN) != 0);
 	return (0);
 }
 
 static int
 smbfs_pathconf(struct vop_pathconf_args *ap)
 {
 	struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
 	struct smb_vc *vcp = SSTOVC(smp->sm_share);
 	long *retval = ap->a_retval;
 	int error = 0;
 
 	switch (ap->a_name) {
 	    case _PC_FILESIZEBITS:
 		if (vcp->vc_sopt.sv_caps & (SMB_CAP_LARGE_READX |
 		    SMB_CAP_LARGE_WRITEX))
 		    *retval = 64;
 		else
 		    *retval = 32;
 		break;
 	    case _PC_NAME_MAX:
 		*retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
 		break;
 	    case _PC_PATH_MAX:
 		*retval = 800;	/* XXX: a correct one ? */
 		break;
 	    case _PC_NO_TRUNC:
 		*retval = 1;
 		break;
 	    case _PC_HAS_HIDDENSYSTEM:
 		*retval = 1;
 		break;
 	    default:
 		error = vop_stdpathconf(ap);
 	}
 	return error;
 }
 
 static int
 smbfs_strategy(struct vop_strategy_args *ap)
 {
 	struct buf *bp=ap->a_bp;
 	struct ucred *cr;
 	struct thread *td;
 
 	SMBVDEBUG("\n");
 	if (bp->b_flags & B_ASYNC)
 		td = (struct thread *)0;
 	else
 		td = curthread;	/* XXX */
 	if (bp->b_iocmd == BIO_READ)
 		cr = bp->b_rcred;
 	else
 		cr = bp->b_wcred;
 
 	if ((bp->b_flags & B_ASYNC) == 0 )
 		(void)smbfs_doio(ap->a_vp, bp, cr, td);
 	return (0);
 }
 
 int
 smbfs_ioctl(struct vop_ioctl_args *ap)
 {
 	return ENOTTY;
 }
 
 static char smbfs_atl[] = "rhsvda";
 static int
 smbfs_getextattr(struct vop_getextattr_args *ap)
 /* {
         IN struct vnode *a_vp;
         IN char *a_name;
         INOUT struct uio *a_uio;
         IN struct ucred *a_cred;
         IN struct thread *a_td;
 };
 */
 {
 	struct vnode *vp = ap->a_vp;
 	struct thread *td = ap->a_td;
 	struct ucred *cred = ap->a_cred;
 	struct uio *uio = ap->a_uio;
 	const char *name = ap->a_name;
 	struct smbnode *np = VTOSMB(vp);
 	struct vattr vattr;
 	char buf[10];
 	int i, attr, error;
 
 	error = VOP_ACCESS(vp, VREAD, cred, td);
 	if (error)
 		return error;
 	error = VOP_GETATTR(vp, &vattr, cred);
 	if (error)
 		return error;
 	if (strcmp(name, "dosattr") == 0) {
 		attr = np->n_dosattr;
 		for (i = 0; i < 6; i++, attr >>= 1)
 			buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
 		buf[i] = 0;
 		error = uiomove(buf, i, uio);
 	} else
 		error = EINVAL;
 	return error;
 }
 
 /*
  * Since we expected to support F_GETLK (and SMB protocol has no such function),
  * it is necessary to use lf_advlock(). It would be nice if this function had
  * a callback mechanism because it will help to improve a level of consistency.
  */
 int
 smbfs_advlock(struct vop_advlock_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct smbnode *np = VTOSMB(vp);
 	struct flock *fl = ap->a_fl;
 	caddr_t id = (caddr_t)1 /* ap->a_id */;
 /*	int flags = ap->a_flags;*/
 	struct thread *td = curthread;
 	struct smb_cred *scred;
 	u_quad_t size;
 	off_t start, end, oadd;
 	int error, lkop;
 
 	if (vp->v_type == VDIR) {
 		/*
 		 * SMB protocol have no support for directory locking.
 		 * Although locks can be processed on local machine, I don't
 		 * think that this is a good idea, because some programs
 		 * can work wrong assuming directory is locked. So, we just
 		 * return 'operation not supported
 		 */
 		 return EOPNOTSUPP;
 	}
 	size = np->n_size;
 	switch (fl->l_whence) {
 	case SEEK_SET:
 	case SEEK_CUR:
 		start = fl->l_start;
 		break;
 
 	case SEEK_END:
 		if (size > OFF_MAX ||
 		    (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
 			return EOVERFLOW;
 		start = size + fl->l_start;
 		break;
 
 	default:
 		return EINVAL;
 	}
 	if (start < 0)
 		return EINVAL;
 	if (fl->l_len < 0) {
 		if (start == 0)
 			return EINVAL;
 		end = start - 1;
 		start += fl->l_len;
 		if (start < 0)
 			return EINVAL;
 	} else if (fl->l_len == 0)
 		end = -1;
 	else {
 		oadd = fl->l_len - 1;
 		if (oadd > OFF_MAX - start)
 			return EOVERFLOW;
 		end = start + oadd;
 	}
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, td, td->td_ucred);
 	switch (ap->a_op) {
 	    case F_SETLK:
 		switch (fl->l_type) {
 		    case F_WRLCK:
 			lkop = SMB_LOCK_EXCL;
 			break;
 		    case F_RDLCK:
 			lkop = SMB_LOCK_SHARED;
 			break;
 		    case F_UNLCK:
 			lkop = SMB_LOCK_RELEASE;
 			break;
 		    default:
 			smbfs_free_scred(scred);
 			return EINVAL;
 		}
 		error = lf_advlock(ap, &vp->v_lockf, size);
 		if (error)
 			break;
 		lkop = SMB_LOCK_EXCL;
 		error = smbfs_smb_lock(np, lkop, id, start, end, scred);
 		if (error) {
 			int oldtype = fl->l_type;
 			fl->l_type = F_UNLCK;
 			ap->a_op = F_UNLCK;
 			lf_advlock(ap, &vp->v_lockf, size);
 			fl->l_type = oldtype;
 		}
 		break;
 	    case F_UNLCK:
 		lf_advlock(ap, &vp->v_lockf, size);
 		error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, scred);
 		break;
 	    case F_GETLK:
 		error = lf_advlock(ap, &vp->v_lockf, size);
 		break;
 	    default:
 		smbfs_free_scred(scred);
 		return EINVAL;
 	}
 	smbfs_free_scred(scred);
 	return error;
 }
 
 static int
 smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
 {
 	static const char *badchars = "*/:<>?";
 	static const char *badchars83 = " +|,[]=;";
 	const char *cp;
 	int i, error;
 
 	/*
 	 * Backslash characters, being a path delimiter, are prohibited
 	 * within a path component even for LOOKUP operations.
 	 */
 	if (strchr(name, '\\') != NULL)
 		return ENOENT;
 
 	if (nameiop == LOOKUP)
 		return 0;
 	error = ENOENT;
 	if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
 		/*
 		 * Name should conform 8.3 format
 		 */
 		if (nmlen > 12)
 			return ENAMETOOLONG;
 		cp = strchr(name, '.');
 		if (cp == NULL)
 			return error;
 		if (cp == name || (cp - name) > 8)
 			return error;
 		cp = strchr(cp + 1, '.');
 		if (cp != NULL)
 			return error;
 		for (cp = name, i = 0; i < nmlen; i++, cp++)
 			if (strchr(badchars83, *cp) != NULL)
 				return error;
 	}
 	for (cp = name, i = 0; i < nmlen; i++, cp++)
 		if (strchr(badchars, *cp) != NULL)
 			return error;
 	return 0;
 }
 
 /*
  * Things go even weird without fixed inode numbers...
  */
 int
 smbfs_lookup(struct vop_lookup_args *ap)
 {
 	struct componentname *cnp = ap->a_cnp;
 	struct thread *td = curthread;
 	struct vnode *dvp = ap->a_dvp;
 	struct vnode **vpp = ap->a_vpp;
 	struct vnode *vp;
 	struct smbmount *smp;
 	struct mount *mp = dvp->v_mount;
 	struct smbnode *dnp;
 	struct smbfattr fattr, *fap;
 	struct smb_cred *scred;
 	char *name = cnp->cn_nameptr;
 	uint64_t flags = cnp->cn_flags;
 	int nameiop = cnp->cn_nameiop;
 	int nmlen = cnp->cn_namelen;
 	int error, islastcn, isdot;
 	int killit;
 
 	SMBVDEBUG("\n");
 	if (dvp->v_type != VDIR)
 		return ENOTDIR;
 	if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) {
 		SMBFSERR("invalid '..'\n");
 		return EIO;
 	}
 	islastcn = flags & ISLASTCN;
 	if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
 		return EROFS;
 	error = vn_dir_check_exec(dvp, cnp);
 	if (error != 0)
 		return error;
 	smp = VFSTOSMBFS(mp);
 	dnp = VTOSMB(dvp);
 	isdot = (nmlen == 1 && name[0] == '.');
 
 	error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
 
 	if (error) 
 		return ENOENT;
 
 	error = cache_lookup(dvp, vpp, cnp, NULL, NULL);
 	SMBVDEBUG("cache_lookup returned %d\n", error);
 	if (error > 0)
 		return error;
 	if (error) {		/* name was found */
 		struct vattr vattr;
 
 		killit = 0;
 		vp = *vpp;
 		error = VOP_GETATTR(vp, &vattr, cnp->cn_cred);
 		/*
 		 * If the file type on the server is inconsistent
 		 * with what it was when we created the vnode,
 		 * kill the bogus vnode now and fall through to
 		 * the code below to create a new one with the
 		 * right type.
 		 */
 		if (error == 0 &&
 		   ((vp->v_type == VDIR &&
 		   (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) == 0) ||
 		   (vp->v_type == VREG &&
 		   (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) != 0)))
 		   killit = 1;
 		else if (error == 0
 	     /*    && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
 		     SMBVDEBUG("use cached vnode\n");
 		     return (0);
 		}
 		cache_purge(vp);
 		/*
 		 * XXX This is not quite right, if '.' is
 		 * inconsistent, we really need to start the lookup
 		 * all over again.  Hopefully there is some other
 		 * guarantee that prevents this case from happening.
 		 */
 		if (killit && vp != dvp)
 			vgone(vp);
 		if (vp != dvp)
 			vput(vp);
 		else
 			vrele(vp);
 		*vpp = NULL;
 	}
 	/* 
 	 * entry is not in the cache or has been expired
 	 */
 	error = 0;
 	*vpp = NULL;
 	scred = smbfs_malloc_scred();
 	smb_makescred(scred, td, cnp->cn_cred);
 	fap = &fattr;
 	if (flags & ISDOTDOT) {
 		/*
 		 * In the DOTDOT case, don't go over-the-wire
 		 * in order to request attributes. We already
 		 * know it's a directory and subsequent call to
 		 * smbfs_getattr() will restore consistency.
 		 *
 		 */
 		SMBVDEBUG("smbfs_smb_lookup: dotdot\n");
 	} else if (isdot) {
 		error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred);
 		SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
 	}
 	else {
 		error = smbfs_smb_lookup(dnp, name, nmlen, fap, scred);
 		SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
 	}
 	if (error && error != ENOENT)
 		goto out;
 	if (error) {			/* entry not found */
 		/*
 		 * Handle RENAME or CREATE case...
 		 */
 		if ((nameiop == CREATE || nameiop == RENAME) && islastcn) {
 			error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
 			if (error)
 				goto out;
 			error = EJUSTRETURN;
 			goto out;
 		}
 		error = ENOENT;
 		goto out;
 	}/* else {
 		SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
 	}*/
 	/*
 	 * handle DELETE case ...
 	 */
 	if (nameiop == DELETE && islastcn) { 	/* delete last component */
 		error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
 		if (error)
 			goto out;
 		if (isdot) {
-			VREF(dvp);
+			vref(dvp);
 			*vpp = dvp;
 			goto out;
 		}
 		error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
 		if (error)
 			goto out;
 		*vpp = vp;
 		goto out;
 	}
 	if (nameiop == RENAME && islastcn) {
 		error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
 		if (error)
 			goto out;
 		if (isdot) {
 			error = EISDIR;
 			goto out;
 		}
 		error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
 		if (error)
 			goto out;
 		*vpp = vp;
 		goto out;
 	}
 	if (flags & ISDOTDOT) {
 		mp = dvp->v_mount;
 		error = vfs_busy(mp, MBF_NOWAIT);
 		if (error != 0) {
 			vfs_ref(mp);
 			VOP_UNLOCK(dvp);
 			error = vfs_busy(mp, 0);
 			vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
 			vfs_rel(mp);
 			if (error) {
 				error = ENOENT;
 				goto out;
 			}
 			if (VN_IS_DOOMED(dvp)) {
 				vfs_unbusy(mp);
 				error = ENOENT;
 				goto out;
 			}
 		}	
 		VOP_UNLOCK(dvp);
 		error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
 		vfs_unbusy(mp);
 		vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
 		if (VN_IS_DOOMED(dvp)) {
 			if (error == 0)
 				vput(vp);
 			error = ENOENT;
 		}
 		if (error)
 			goto out;
 		*vpp = vp;
 	} else if (isdot) {
 		vref(dvp);
 		*vpp = dvp;
 	} else {
 		error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
 		if (error)
 			goto out;
 		*vpp = vp;
 		SMBVDEBUG("lookup: getnewvp!\n");
 	}
 	if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
 /*		VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
 		cache_enter(dvp, *vpp, cnp);
 	}
 out:
 	smbfs_free_scred(scred);
 	return (error);
 }
diff --git a/sys/fs/tarfs/tarfs_vnops.c b/sys/fs/tarfs/tarfs_vnops.c
index b0921909b3b4..70fd7a441d81 100644
--- a/sys/fs/tarfs/tarfs_vnops.c
+++ b/sys/fs/tarfs/tarfs_vnops.c
@@ -1,705 +1,705 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause
  *
  * Copyright (c) 2013 Juniper Networks, Inc.
  * Copyright (c) 2022-2023 Klara, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include "opt_tarfs.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/dirent.h>
 #include <sys/fcntl.h>
 #include <sys/limits.h>
 #include <sys/mount.h>
 #include <sys/namei.h>
 #include <sys/proc.h>
 #include <sys/vnode.h>
 
 #include <fs/tarfs/tarfs.h>
 #include <fs/tarfs/tarfs_dbg.h>
 
 static int
 tarfs_open(struct vop_open_args *ap)
 {
 	struct tarfs_node *tnp;
 	struct vnode *vp;
 
 	vp = ap->a_vp;
 	MPASS(VOP_ISLOCKED(vp));
 	tnp = VP_TO_TARFS_NODE(vp);
 
 	TARFS_DPF(VNODE, "%s(%p=%s, %o)\n", __func__,
 	    tnp, tnp->name, ap->a_mode);
 
 	if (vp->v_type != VREG && vp->v_type != VDIR)
 		return (EOPNOTSUPP);
 
 	vnode_create_vobject(vp, tnp->size, ap->a_td);
 	return (0);
 }
 
 static int
 tarfs_close(struct vop_close_args *ap)
 {
 #ifdef TARFS_DEBUG
 	struct tarfs_node *tnp;
 	struct vnode *vp;
 
 	vp = ap->a_vp;
 
 	MPASS(VOP_ISLOCKED(vp));
 	tnp = VP_TO_TARFS_NODE(vp);
 
 	TARFS_DPF(VNODE, "%s(%p=%s)\n", __func__,
 	    tnp, tnp->name);
 #else
 	(void)ap;
 #endif
 	return (0);
 }
 
 static int
 tarfs_access(struct vop_access_args *ap)
 {
 	struct tarfs_node *tnp;
 	struct vnode *vp;
 	accmode_t accmode;
 	struct ucred *cred;
 	int error;
 
 	vp = ap->a_vp;
 	accmode = ap->a_accmode;
 	cred = ap->a_cred;
 
 	MPASS(VOP_ISLOCKED(vp));
 	tnp = VP_TO_TARFS_NODE(vp);
 
 	TARFS_DPF(VNODE, "%s(%p=%s, %o)\n", __func__,
 	    tnp, tnp->name, accmode);
 
 	switch (vp->v_type) {
 	case VDIR:
 	case VLNK:
 	case VREG:
 		if ((accmode & VWRITE) != 0)
 			return (EROFS);
 		break;
 	case VBLK:
 	case VCHR:
 	case VFIFO:
 		break;
 	default:
 		return (EINVAL);
 	}
 
 	if ((accmode & VWRITE) != 0)
 		return (EPERM);
 
 	error = vaccess(vp->v_type, tnp->mode, tnp->uid,
 	    tnp->gid, accmode, cred);
 	return (error);
 }
 
 static int
 tarfs_bmap(struct vop_bmap_args *ap)
 {
 	struct tarfs_node *tnp;
 	struct vnode *vp;
 	off_t off;
 	uint64_t iosize;
 	int ra, rb, rmax;
 
 	vp = ap->a_vp;
 	iosize = vp->v_mount->mnt_stat.f_iosize;
 
 	if (ap->a_bop != NULL)
 		*ap->a_bop = &vp->v_bufobj;
 	if (ap->a_bnp != NULL)
 		*ap->a_bnp = ap->a_bn * btodb(iosize);
 	if (ap->a_runp == NULL)
 		return (0);
 
 	tnp = VP_TO_TARFS_NODE(vp);
 	off = ap->a_bn * iosize;
 
 	ra = rb = 0;
 	for (u_int i = 0; i < tnp->nblk; i++) {
 		off_t bs, be;
 
 		bs = tnp->blk[i].o;
 		be = tnp->blk[i].o + tnp->blk[i].l;
 		if (off > be)
 			continue;
 		else if (off < bs) {
 			/* We're in a hole. */
 			ra = bs - off < iosize ?
 			    0 : howmany(bs - (off + iosize), iosize);
 			rb = howmany(off - (i == 0 ?
 			    0 : tnp->blk[i - 1].o + tnp->blk[i - 1].l),
 			    iosize);
 			break;
 		} else {
 			/* We'll be reading from the backing file. */
 			ra = be - off < iosize ?
 			    0 : howmany(be - (off + iosize), iosize);
 			rb = howmany(off - bs, iosize);
 			break;
 		}
 	}
 
 	rmax = vp->v_mount->mnt_iosize_max / iosize - 1;
 	*ap->a_runp = imin(ra, rmax);
 	if (ap->a_runb != NULL)
 		*ap->a_runb = imin(rb, rmax);
 	return (0);
 }
 
 static int
 tarfs_getattr(struct vop_getattr_args *ap)
 {
 	struct tarfs_node *tnp;
 	struct vnode *vp;
 	struct vattr *vap;
 
 	vp = ap->a_vp;
 	vap = ap->a_vap;
 	tnp = VP_TO_TARFS_NODE(vp);
 
 	TARFS_DPF(VNODE, "%s(%p=%s)\n", __func__,
 	    tnp, tnp->name);
 
 	vap->va_type = vp->v_type;
 	vap->va_mode = tnp->mode;
 	vap->va_nlink = tnp->nlink;
 	vap->va_gid = tnp->gid;
 	vap->va_uid = tnp->uid;
 	vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0];
 	vap->va_fileid = tnp->ino;
 	vap->va_size = tnp->size;
 	vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize;
 	vap->va_atime = tnp->atime;
 	vap->va_ctime = tnp->ctime;
 	vap->va_mtime = tnp->mtime;
 	vap->va_birthtime = tnp->birthtime;
 	vap->va_gen = tnp->gen;
 	vap->va_flags = tnp->flags;
 	vap->va_rdev = VN_ISDEV(vp) ? tnp->rdev : NODEV;
 	vap->va_bytes = round_page(tnp->physize);
 	vap->va_filerev = 0;
 
 	return (0);
 }
 
 static int
 tarfs_lookup(struct vop_cachedlookup_args *ap)
 {
 	struct tarfs_mount *tmp;
 	struct tarfs_node *dirnode, *parent, *tnp;
 	struct componentname *cnp;
 	struct vnode *dvp, **vpp;
 #ifdef TARFS_DEBUG
 	struct vnode *vp;
 #endif
 	int error;
 
 	dvp = ap->a_dvp;
 	vpp = ap->a_vpp;
 	cnp = ap->a_cnp;
 
 	*vpp = NULL;
 	dirnode = VP_TO_TARFS_NODE(dvp);
 	parent = dirnode->parent;
 	tmp = dirnode->tmp;
 	tnp = NULL;
 
 	TARFS_DPF(LOOKUP, "%s(%p=%s, %.*s)\n", __func__,
 	    dirnode, dirnode->name,
 	    (int)cnp->cn_namelen, cnp->cn_nameptr);
 
 	error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, curthread);
 	if (error != 0)
 		return (error);
 
 	if (cnp->cn_flags & ISDOTDOT) {
 		/* Do not allow .. on the root node */
 		if (parent == NULL || parent == dirnode)
 			return (ENOENT);
 
 		/* Allocate a new vnode on the matching entry */
 		error = vn_vget_ino(dvp, parent->ino, cnp->cn_lkflags,
 		    vpp);
 		if (error != 0)
 			return (error);
 	} else if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
-		VREF(dvp);
+		vref(dvp);
 		*vpp = dvp;
 #ifdef TARFS_DEBUG
 	} else if (dirnode == dirnode->tmp->root &&
 	    (vp = dirnode->tmp->znode) != NULL &&
 	    cnp->cn_namelen == TARFS_ZIO_NAMELEN &&
 	    memcmp(cnp->cn_nameptr, TARFS_ZIO_NAME, TARFS_ZIO_NAMELEN) == 0) {
 		error = vn_lock(vp, cnp->cn_lkflags);
 		if (error != 0)
 			return (error);
 		vref(vp);
 		*vpp = vp;
 		return (0);
 #endif
 	} else {
 		tnp = tarfs_lookup_node(dirnode, NULL, cnp);
 		if (tnp == NULL) {
 			TARFS_DPF(LOOKUP, "%s(%p=%s, %.*s): file not found\n", __func__,
 			    dirnode, dirnode->name,
 			    (int)cnp->cn_namelen, cnp->cn_nameptr);
 			return (ENOENT);
 		}
 
 		if ((cnp->cn_flags & ISLASTCN) == 0 &&
 		    (tnp->type != VDIR && tnp->type != VLNK))
 			return (ENOTDIR);
 
 		error = VFS_VGET(tmp->vfs, tnp->ino, cnp->cn_lkflags, vpp);
 		if (error != 0)
 			return (error);
 	}
 
 #ifdef	TARFS_DEBUG
 	if (tnp == NULL)
 		tnp = VP_TO_TARFS_NODE(*vpp);
 	TARFS_DPF(LOOKUP, "%s: found vnode %p, tarfs_node %p\n", __func__,
 	    *vpp, tnp);
 #endif	/* TARFS_DEBUG */
 
 	/* Store the result of the cache if MAKEENTRY is specified in flags */
 	if ((cnp->cn_flags & MAKEENTRY) != 0 && cnp->cn_nameiop != CREATE)
 		cache_enter(dvp, *vpp, cnp);
 
 	return (error);
 }
 
 static int
 tarfs_readdir(struct vop_readdir_args *ap)
 {
 	struct dirent cde = { };
 	struct tarfs_node *current, *tnp;
 	struct vnode *vp;
 	struct uio *uio;
 	int *eofflag;
 	uint64_t **cookies;
 	int *ncookies;
 	off_t off;
 	u_int idx, ndirents;
 	int error;
 
 	vp = ap->a_vp;
 	uio = ap->a_uio;
 	eofflag = ap->a_eofflag;
 	cookies = ap->a_cookies;
 	ncookies = ap->a_ncookies;
 
 	if (vp->v_type != VDIR)
 		return (ENOTDIR);
 
 	tnp = VP_TO_TARFS_NODE(vp);
 	off = uio->uio_offset;
 	current = NULL;
 	ndirents = 0;
 
 	TARFS_DPF(VNODE, "%s(%p=%s, %zu, %zd)\n", __func__,
 	    tnp, tnp->name, uio->uio_offset, uio->uio_resid);
 
 	if (uio->uio_offset == TARFS_COOKIE_EOF) {
 		if (eofflag != NULL) {
 			TARFS_DPF(VNODE, "%s: Setting EOF flag\n", __func__);
 			*eofflag = 1;
 		}
 		TARFS_DPF(VNODE, "%s: EOF\n", __func__);
 		return (0);
 	}
 
 	if (uio->uio_offset == TARFS_COOKIE_DOT) {
 		TARFS_DPF(VNODE, "%s: Generating . entry\n", __func__);
 		/* fake . entry */
 		cde.d_fileno = tnp->ino;
 		cde.d_type = DT_DIR;
 		cde.d_namlen = 1;
 		cde.d_name[0] = '.';
 		cde.d_name[1] = '\0';
 		cde.d_reclen = GENERIC_DIRSIZ(&cde);
 		if (cde.d_reclen > uio->uio_resid)
 			goto full;
 		dirent_terminate(&cde);
 		error = uiomove(&cde, cde.d_reclen, uio);
 		if (error)
 			return (error);
 		/* next is .. */
 		uio->uio_offset = TARFS_COOKIE_DOTDOT;
 		ndirents++;
 	}
 
 	if (uio->uio_offset == TARFS_COOKIE_DOTDOT) {
 		TARFS_DPF(VNODE, "%s: Generating .. entry\n", __func__);
 		/* fake .. entry */
 		MPASS(tnp->parent != NULL);
 		TARFS_NODE_LOCK(tnp->parent);
 		cde.d_fileno = tnp->parent->ino;
 		TARFS_NODE_UNLOCK(tnp->parent);
 		cde.d_type = DT_DIR;
 		cde.d_namlen = 2;
 		cde.d_name[0] = '.';
 		cde.d_name[1] = '.';
 		cde.d_name[2] = '\0';
 		cde.d_reclen = GENERIC_DIRSIZ(&cde);
 		if (cde.d_reclen > uio->uio_resid)
 			goto full;
 		dirent_terminate(&cde);
 		error = uiomove(&cde, cde.d_reclen, uio);
 		if (error)
 			return (error);
 		/* next is first child */
 		current = TAILQ_FIRST(&tnp->dir.dirhead);
 		if (current == NULL)
 			goto done;
 		uio->uio_offset = current->ino;
 		TARFS_DPF(VNODE, "%s: [%u] setting current node to %p=%s\n",
 		    __func__, ndirents, current, current->name);
 		ndirents++;
 	}
 
 	/* resuming previous call */
 	if (current == NULL) {
 		current = tarfs_lookup_dir(tnp, uio->uio_offset);
 		if (current == NULL) {
 			error = EINVAL;
 			goto done;
 		}
 		uio->uio_offset = current->ino;
 		TARFS_DPF(VNODE, "%s: [%u] setting current node to %p=%s\n",
 		    __func__, ndirents, current, current->name);
 	}
 
 	for (;;) {
 		cde.d_fileno = current->ino;
 		switch (current->type) {
 		case VBLK:
 			cde.d_type = DT_BLK;
 			break;
 		case VCHR:
 			cde.d_type = DT_CHR;
 			break;
 		case VDIR:
 			cde.d_type = DT_DIR;
 			break;
 		case VFIFO:
 			cde.d_type = DT_FIFO;
 			break;
 		case VLNK:
 			cde.d_type = DT_LNK;
 			break;
 		case VREG:
 			cde.d_type = DT_REG;
 			break;
 		default:
 			panic("%s: tarfs_node %p, type %d\n", __func__,
 			    current, current->type);
 		}
 		cde.d_namlen = current->namelen;
 		MPASS(tnp->namelen < sizeof(cde.d_name));
 		(void)memcpy(cde.d_name, current->name, current->namelen);
 		cde.d_name[current->namelen] = '\0';
 		cde.d_reclen = GENERIC_DIRSIZ(&cde);
 		if (cde.d_reclen > uio->uio_resid)
 			goto full;
 		dirent_terminate(&cde);
 		error = uiomove(&cde, cde.d_reclen, uio);
 		if (error != 0)
 			goto done;
 		ndirents++;
 		/* next sibling */
 		current = TAILQ_NEXT(current, dirents);
 		if (current == NULL)
 			goto done;
 		uio->uio_offset = current->ino;
 		TARFS_DPF(VNODE, "%s: [%u] setting current node to %p=%s\n",
 		    __func__, ndirents, current, current->name);
 	}
 full:
 	if (cde.d_reclen > uio->uio_resid) {
 		TARFS_DPF(VNODE, "%s: out of space, returning\n",
 		    __func__);
 		error = (ndirents == 0) ? EINVAL : 0;
 	}
 done:
 	TARFS_DPF(VNODE, "%s: %u entries written\n", __func__, ndirents);
 	TARFS_DPF(VNODE, "%s: saving cache information\n", __func__);
 	if (current == NULL) {
 		uio->uio_offset = TARFS_COOKIE_EOF;
 		tnp->dir.lastcookie = 0;
 		tnp->dir.lastnode = NULL;
 	} else {
 		tnp->dir.lastcookie = current->ino;
 		tnp->dir.lastnode = current;
 	}
 
 	if (eofflag != NULL) {
 		TARFS_DPF(VNODE, "%s: Setting EOF flag\n", __func__);
 		*eofflag = (error == 0 && current == NULL);
 	}
 
 	/* Update for NFS */
 	if (error == 0 && cookies != NULL && ncookies != NULL) {
 		TARFS_DPF(VNODE, "%s: Updating NFS cookies\n", __func__);
 		current = NULL;
 		*cookies = malloc(ndirents * sizeof(off_t), M_TEMP, M_WAITOK);
 		*ncookies = ndirents;
 		for (idx = 0; idx < ndirents; idx++) {
 			if (off == TARFS_COOKIE_DOT)
 				off = TARFS_COOKIE_DOTDOT;
 			else {
 				if (off == TARFS_COOKIE_DOTDOT) {
 					current = TAILQ_FIRST(&tnp->dir.dirhead);
 				} else if (current != NULL) {
 					current = TAILQ_NEXT(current, dirents);
 				} else {
 					current = tarfs_lookup_dir(tnp, off);
 					current = TAILQ_NEXT(current, dirents);
 				}
 				if (current == NULL)
 					off = TARFS_COOKIE_EOF;
 				else
 					off = current->ino;
 			}
 
 			TARFS_DPF(VNODE, "%s: [%u] offset %zu\n", __func__,
 			    idx, off);
 			(*cookies)[idx] = off;
 		}
 		MPASS(uio->uio_offset == off);
 	}
 
 	return (error);
 }
 
 static int
 tarfs_read(struct vop_read_args *ap)
 {
 	struct tarfs_node *tnp;
 	struct uio *uiop;
 	struct vnode *vp;
 	size_t len;
 	off_t resid;
 	int error;
 
 	uiop = ap->a_uio;
 	vp = ap->a_vp;
 
 	if (VN_ISDEV(vp))
 		return (EOPNOTSUPP);
 
 	if (vp->v_type != VREG)
 		return (EISDIR);
 
 	if (uiop->uio_offset < 0)
 		return (EINVAL);
 
 	tnp = VP_TO_TARFS_NODE(vp);
 	error = 0;
 
 	TARFS_DPF(VNODE, "%s(%p=%s, %zu, %zd)\n", __func__,
 	    tnp, tnp->name, uiop->uio_offset, uiop->uio_resid);
 
 	while ((resid = uiop->uio_resid) > 0) {
 		if (tnp->size <= uiop->uio_offset)
 			break;
 		len = MIN(tnp->size - uiop->uio_offset, resid);
 		if (len == 0)
 			break;
 
 		error = tarfs_read_file(tnp, len, uiop);
 		if (error != 0 || resid == uiop->uio_resid)
 			break;
 	}
 
 	return (error);
 }
 
 static int
 tarfs_readlink(struct vop_readlink_args *ap)
 {
 	struct tarfs_node *tnp;
 	struct uio *uiop;
 	struct vnode *vp;
 	int error;
 
 	uiop = ap->a_uio;
 	vp = ap->a_vp;
 
 	MPASS(uiop->uio_offset == 0);
 	MPASS(vp->v_type == VLNK);
 
 	tnp = VP_TO_TARFS_NODE(vp);
 
 	TARFS_DPF(VNODE, "%s(%p=%s)\n", __func__,
 	    tnp, tnp->name);
 
 	error = uiomove(tnp->link.name,
 	    MIN(tnp->size, uiop->uio_resid), uiop);
 
 	return (error);
 }
 
 static int
 tarfs_reclaim(struct vop_reclaim_args *ap)
 {
 	struct tarfs_node *tnp;
 	struct vnode *vp;
 
 	vp = ap->a_vp;
 	tnp = VP_TO_TARFS_NODE(vp);
 
 	vfs_hash_remove(vp);
 
 	TARFS_NODE_LOCK(tnp);
 	tnp->vnode = NULL;
 	vp->v_data = NULL;
 	TARFS_NODE_UNLOCK(tnp);
 
 	return (0);
 }
 
 static int
 tarfs_print(struct vop_print_args *ap)
 {
 	struct tarfs_node *tnp;
 	struct vnode *vp;
 
 	vp = ap->a_vp;
 	tnp = VP_TO_TARFS_NODE(vp);
 
 	printf("tag tarfs, tarfs_node %p, links %lu\n",
 	    tnp, (unsigned long)tnp->nlink);
 	printf("\tmode 0%o, owner %d, group %d, size %zd\n",
 	    tnp->mode, tnp->uid, tnp->gid,
 	    tnp->size);
 
 	if (vp->v_type == VFIFO)
 		fifo_printinfo(vp);
 
 	printf("\n");
 
 	return (0);
 }
 
 static int
 tarfs_strategy(struct vop_strategy_args *ap)
 {
 	struct uio auio;
 	struct iovec iov;
 	struct tarfs_node *tnp;
 	struct buf *bp;
 	off_t off;
 	size_t len;
 	int error;
 
 	tnp = VP_TO_TARFS_NODE(ap->a_vp);
 	bp = ap->a_bp;
 	MPASS(bp->b_iocmd == BIO_READ);
 	MPASS(bp->b_iooffset >= 0);
 	MPASS(bp->b_bcount > 0);
 	MPASS(bp->b_bufsize >= bp->b_bcount);
 	TARFS_DPF(VNODE, "%s(%p=%s, %zu, %ld/%ld)\n", __func__, tnp,
 	    tnp->name, (size_t)bp->b_iooffset, bp->b_bcount, bp->b_bufsize);
 	iov.iov_base = bp->b_data;
 	iov.iov_len = bp->b_bcount;
 	off = bp->b_iooffset;
 	len = bp->b_bcount;
 	bp->b_resid = len;
 	if (off > tnp->size) {
 		/* XXX read beyond EOF - figure out correct handling */
 		error = EIO;
 		goto out;
 	}
 	if (off + len > tnp->size) {
 		/* clip to file length */
 		len = tnp->size - off;
 	}
 	auio.uio_iov = &iov;
 	auio.uio_iovcnt = 1;
 	auio.uio_offset = off;
 	auio.uio_resid = len;
 	auio.uio_segflg = UIO_SYSSPACE;
 	auio.uio_rw = UIO_READ;
 	auio.uio_td = curthread;
 	error = tarfs_read_file(tnp, len, &auio);
 	bp->b_resid -= len - auio.uio_resid;
 out:
 	if (error != 0) {
 		bp->b_ioflags |= BIO_ERROR;
 		bp->b_error = error;
 	}
 	bp->b_flags |= B_DONE;
 	return (0);
 }
 
 static int
 tarfs_vptofh(struct vop_vptofh_args *ap)
 {
 	struct tarfs_fid *tfp;
 	struct tarfs_node *tnp;
 	_Static_assert(sizeof(struct tarfs_fid) <= sizeof(struct fid),
 	    "struct tarfs_fid cannot be larger than struct fid");
 
 	tfp = (struct tarfs_fid *)ap->a_fhp;
 	tnp = VP_TO_TARFS_NODE(ap->a_vp);
 
 	tfp->len = sizeof(struct tarfs_fid);
 	tfp->ino = tnp->ino;
 	tfp->gen = tnp->gen;
 
 	return (0);
 }
 
 struct vop_vector tarfs_vnodeops = {
 	.vop_default =		&default_vnodeops,
 
 	.vop_access =		tarfs_access,
 	.vop_bmap =		tarfs_bmap,
 	.vop_cachedlookup =	tarfs_lookup,
 	.vop_close =		tarfs_close,
 	.vop_getattr =		tarfs_getattr,
 	.vop_lookup =		vfs_cache_lookup,
 	.vop_open =		tarfs_open,
 	.vop_print =		tarfs_print,
 	.vop_read =		tarfs_read,
 	.vop_readdir =		tarfs_readdir,
 	.vop_readlink =		tarfs_readlink,
 	.vop_reclaim =		tarfs_reclaim,
 	.vop_strategy =		tarfs_strategy,
 	.vop_vptofh =		tarfs_vptofh,
 };
 VFS_VOP_VECTOR_REGISTER(tarfs_vnodeops);
diff --git a/sys/fs/tmpfs/tmpfs_vnops.c b/sys/fs/tmpfs/tmpfs_vnops.c
index 312d2e717e63..5082ee1ebdd0 100644
--- a/sys/fs/tmpfs/tmpfs_vnops.c
+++ b/sys/fs/tmpfs/tmpfs_vnops.c
@@ -1,2228 +1,2228 @@
 /*	$NetBSD: tmpfs_vnops.c,v 1.39 2007/07/23 15:41:01 jmmv Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-2-Clause
  *
  * Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
  * All rights reserved.
  *
  * This code is derived from software contributed to The NetBSD Foundation
  * by Julio M. Merino Vidal, developed as part of Google's Summer of Code
  * 2005 program.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*
  * tmpfs vnode interface.
  */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/dirent.h>
 #include <sys/extattr.h>
 #include <sys/fcntl.h>
 #include <sys/file.h>
 #include <sys/filio.h>
 #include <sys/limits.h>
 #include <sys/lockf.h>
 #include <sys/lock.h>
 #include <sys/mount.h>
 #include <sys/namei.h>
 #include <sys/priv.h>
 #include <sys/proc.h>
 #include <sys/rwlock.h>
 #include <sys/sched.h>
 #include <sys/smr.h>
 #include <sys/stat.h>
 #include <sys/sysctl.h>
 #include <sys/unistd.h>
 #include <sys/vnode.h>
 #include <security/audit/audit.h>
 #include <security/mac/mac_framework.h>
 
 #include <vm/vm.h>
 #include <vm/vm_param.h>
 #include <vm/vm_object.h>
 #include <vm/vm_page.h>
 #include <vm/vm_pager.h>
 #include <vm/swap_pager.h>
 
 #include <fs/tmpfs/tmpfs_vnops.h>
 #include <fs/tmpfs/tmpfs.h>
 
 SYSCTL_DECL(_vfs_tmpfs);
 VFS_SMR_DECLARE;
 
 static volatile int tmpfs_rename_restarts;
 SYSCTL_INT(_vfs_tmpfs, OID_AUTO, rename_restarts, CTLFLAG_RD,
     __DEVOLATILE(int *, &tmpfs_rename_restarts), 0,
     "Times rename had to restart due to lock contention");
 
 MALLOC_DEFINE(M_TMPFSEA, "tmpfs extattr", "tmpfs extattr structure");
 
 static int
 tmpfs_vn_get_ino_alloc(struct mount *mp, void *arg, int lkflags,
     struct vnode **rvp)
 {
 
 	return (tmpfs_alloc_vp(mp, arg, lkflags, rvp));
 }
 
 static int
 tmpfs_lookup1(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp)
 {
 	struct tmpfs_dirent *de;
 	struct tmpfs_node *dnode, *pnode;
 	struct tmpfs_mount *tm;
 	int error;
 
 	/* Caller assumes responsibility for ensuring access (VEXEC). */
 	dnode = VP_TO_TMPFS_DIR(dvp);
 	*vpp = NULL;
 
 	/* We cannot be requesting the parent directory of the root node. */
 	MPASS(IMPLIES(dnode->tn_type == VDIR &&
 	    dnode->tn_dir.tn_parent == dnode,
 	    !(cnp->cn_flags & ISDOTDOT)));
 
 	TMPFS_ASSERT_LOCKED(dnode);
 	if (dnode->tn_dir.tn_parent == NULL) {
 		error = ENOENT;
 		goto out;
 	}
 	if (cnp->cn_flags & ISDOTDOT) {
 		tm = VFS_TO_TMPFS(dvp->v_mount);
 		pnode = dnode->tn_dir.tn_parent;
 		tmpfs_ref_node(pnode);
 		error = vn_vget_ino_gen(dvp, tmpfs_vn_get_ino_alloc,
 		    pnode, cnp->cn_lkflags, vpp);
 		tmpfs_free_node(tm, pnode);
 		if (error != 0)
 			goto out;
 	} else if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
-		VREF(dvp);
+		vref(dvp);
 		*vpp = dvp;
 		error = 0;
 	} else {
 		de = tmpfs_dir_lookup(dnode, NULL, cnp);
 		if (de != NULL && de->td_node == NULL)
 			cnp->cn_flags |= ISWHITEOUT;
 		if (de == NULL || de->td_node == NULL) {
 			/*
 			 * The entry was not found in the directory.
 			 * This is OK if we are creating or renaming an
 			 * entry and are working on the last component of
 			 * the path name.
 			 */
 			if ((cnp->cn_flags & ISLASTCN) &&
 			    (cnp->cn_nameiop == CREATE || \
 			    cnp->cn_nameiop == RENAME ||
 			    (cnp->cn_nameiop == DELETE &&
 			    cnp->cn_flags & DOWHITEOUT &&
 			    cnp->cn_flags & ISWHITEOUT))) {
 				error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred,
 				    curthread);
 				if (error != 0)
 					goto out;
 
 				error = EJUSTRETURN;
 			} else
 				error = ENOENT;
 		} else {
 			struct tmpfs_node *tnode;
 
 			/*
 			 * The entry was found, so get its associated
 			 * tmpfs_node.
 			 */
 			tnode = de->td_node;
 
 			/*
 			 * If we are not at the last path component and
 			 * found a non-directory or non-link entry (which
 			 * may itself be pointing to a directory), raise
 			 * an error.
 			 */
 			if ((tnode->tn_type != VDIR &&
 			    tnode->tn_type != VLNK) &&
 			    !(cnp->cn_flags & ISLASTCN)) {
 				error = ENOTDIR;
 				goto out;
 			}
 
 			/*
 			 * If we are deleting or renaming the entry, keep
 			 * track of its tmpfs_dirent so that it can be
 			 * easily deleted later.
 			 */
 			if ((cnp->cn_flags & ISLASTCN) &&
 			    (cnp->cn_nameiop == DELETE ||
 			    cnp->cn_nameiop == RENAME)) {
 				error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred,
 				    curthread);
 				if (error != 0)
 					goto out;
 
 				/* Allocate a new vnode on the matching entry. */
 				error = tmpfs_alloc_vp(dvp->v_mount, tnode,
 				    cnp->cn_lkflags, vpp);
 				if (error != 0)
 					goto out;
 
 				if ((dnode->tn_mode & S_ISTXT) &&
 				  VOP_ACCESS(dvp, VADMIN, cnp->cn_cred,
 				  curthread) && VOP_ACCESS(*vpp, VADMIN,
 				  cnp->cn_cred, curthread)) {
 					error = EPERM;
 					vput(*vpp);
 					*vpp = NULL;
 					goto out;
 				}
 			} else {
 				error = tmpfs_alloc_vp(dvp->v_mount, tnode,
 				    cnp->cn_lkflags, vpp);
 				if (error != 0)
 					goto out;
 			}
 		}
 	}
 
 	/*
 	 * Store the result of this lookup in the cache.  Avoid this if the
 	 * request was for creation, as it does not improve timings on
 	 * emprical tests.
 	 */
 	if ((cnp->cn_flags & MAKEENTRY) != 0 && tmpfs_use_nc(dvp))
 		cache_enter(dvp, *vpp, cnp);
 
 out:
 #ifdef INVARIANTS
 	/*
 	 * If there were no errors, *vpp cannot be null and it must be
 	 * locked.
 	 */
 	if (error == 0) {
 		MPASS(*vpp != NULL);
 		ASSERT_VOP_LOCKED(*vpp, __func__);
 	} else {
 		MPASS(*vpp == NULL);
 	}
 #endif
 
 	return (error);
 }
 
 static int
 tmpfs_cached_lookup(struct vop_cachedlookup_args *v)
 {
 
 	return (tmpfs_lookup1(v->a_dvp, v->a_vpp, v->a_cnp));
 }
 
 static int
 tmpfs_lookup(struct vop_lookup_args *v)
 {
 	struct vnode *dvp = v->a_dvp;
 	struct vnode **vpp = v->a_vpp;
 	struct componentname *cnp = v->a_cnp;
 	int error;
 
 	/* Check accessibility of requested node as a first step. */
 	error = vn_dir_check_exec(dvp, cnp);
 	if (error != 0)
 		return (error);
 
 	return (tmpfs_lookup1(dvp, vpp, cnp));
 }
 
 static int
 tmpfs_create(struct vop_create_args *v)
 {
 	struct vnode *dvp = v->a_dvp;
 	struct vnode **vpp = v->a_vpp;
 	struct componentname *cnp = v->a_cnp;
 	struct vattr *vap = v->a_vap;
 	int error;
 
 	MPASS(vap->va_type == VREG || vap->va_type == VSOCK);
 
 	error = tmpfs_alloc_file(dvp, vpp, vap, cnp, NULL);
 	if (error == 0 && (cnp->cn_flags & MAKEENTRY) != 0 && tmpfs_use_nc(dvp))
 		cache_enter(dvp, *vpp, cnp);
 	return (error);
 }
 
 static int
 tmpfs_mknod(struct vop_mknod_args *v)
 {
 	struct vnode *dvp = v->a_dvp;
 	struct vnode **vpp = v->a_vpp;
 	struct componentname *cnp = v->a_cnp;
 	struct vattr *vap = v->a_vap;
 
 	if (!VATTR_ISDEV(vap) && vap->va_type != VFIFO)
 		return (EINVAL);
 
 	return (tmpfs_alloc_file(dvp, vpp, vap, cnp, NULL));
 }
 
 struct fileops tmpfs_fnops;
 
 static int
 tmpfs_open(struct vop_open_args *v)
 {
 	struct vnode *vp;
 	struct tmpfs_node *node;
 	struct file *fp;
 	int error, mode;
 
 	vp = v->a_vp;
 	mode = v->a_mode;
 	node = VP_TO_TMPFS_NODE(vp);
 
 	/*
 	 * The file is still active but all its names have been removed
 	 * (e.g. by a "rmdir $(pwd)").  It cannot be opened any more as
 	 * it is about to die.
 	 */
 	if (node->tn_links < 1)
 		return (ENOENT);
 
 	/* If the file is marked append-only, deny write requests. */
 	if (node->tn_flags & APPEND && (mode & (FWRITE | O_APPEND)) == FWRITE)
 		error = EPERM;
 	else {
 		error = 0;
 		/* For regular files, the call below is nop. */
 		KASSERT(vp->v_type != VREG || (node->tn_reg.tn_aobj->flags &
 		    OBJ_DEAD) == 0, ("dead object"));
 		vnode_create_vobject(vp, node->tn_size, v->a_td);
 	}
 
 	fp = v->a_fp;
 	MPASS(fp == NULL || fp->f_data == NULL);
 	if (error == 0 && fp != NULL && vp->v_type == VREG) {
 		tmpfs_ref_node(node);
 		finit_vnode(fp, mode, node, &tmpfs_fnops);
 	}
 
 	return (error);
 }
 
 static int
 tmpfs_close(struct vop_close_args *v)
 {
 	struct vnode *vp = v->a_vp;
 
 	/* Update node times. */
 	tmpfs_update(vp);
 
 	return (0);
 }
 
 int
 tmpfs_fo_close(struct file *fp, struct thread *td)
 {
 	struct tmpfs_node *node;
 
 	node = fp->f_data;
 	if (node != NULL) {
 		MPASS(node->tn_type == VREG);
 		tmpfs_free_node(node->tn_reg.tn_tmp, node);
 	}
 	return (vnops.fo_close(fp, td));
 }
 
 /*
  * VOP_FPLOOKUP_VEXEC routines are subject to special circumstances, see
  * the comment above cache_fplookup for details.
  */
 int
 tmpfs_fplookup_vexec(struct vop_fplookup_vexec_args *v)
 {
 	struct vnode *vp;
 	struct tmpfs_node *node;
 	struct ucred *cred;
 	mode_t all_x, mode;
 
 	vp = v->a_vp;
 	node = VP_TO_TMPFS_NODE_SMR(vp);
 	if (__predict_false(node == NULL))
 		return (EAGAIN);
 
 	all_x = S_IXUSR | S_IXGRP | S_IXOTH;
 	mode = atomic_load_short(&node->tn_mode);
 	if (__predict_true((mode & all_x) == all_x))
 		return (0);
 
 	cred = v->a_cred;
 	return (vaccess_vexec_smr(mode, node->tn_uid, node->tn_gid, cred));
 }
 
 static int
 tmpfs_access_locked(struct vnode *vp, struct tmpfs_node *node,
     accmode_t accmode, struct ucred *cred)
 {
 #ifdef INVARIANTS
 	if (!mtx_owned(TMPFS_NODE_MTX(node))) {
 		ASSERT_VOP_LOCKED(vp,
 		    "tmpfs_access_locked needs locked vnode or node");
 	}
 #endif
 
 	if ((accmode & VWRITE) != 0 && (node->tn_flags & IMMUTABLE) != 0)
 		return (EPERM);
 	return (vaccess(vp->v_type, node->tn_mode, node->tn_uid, node->tn_gid,
 	    accmode, cred));
 }
 
 int
 tmpfs_access(struct vop_access_args *v)
 {
 	struct vnode *vp = v->a_vp;
 	struct ucred *cred = v->a_cred;
 	struct tmpfs_node *node = VP_TO_TMPFS_NODE(vp);
 	mode_t all_x = S_IXUSR | S_IXGRP | S_IXOTH;
 	accmode_t accmode = v->a_accmode;
 
 	/*
 	 * Common case path lookup.
 	 */
 	if (__predict_true(accmode == VEXEC &&
 	    (node->tn_mode & all_x) == all_x))
 		return (0);
 
 	switch (vp->v_type) {
 	case VDIR:
 		/* FALLTHROUGH */
 	case VLNK:
 		/* FALLTHROUGH */
 	case VREG:
 		if ((accmode & VWRITE) != 0 &&
 		    (vp->v_mount->mnt_flag & MNT_RDONLY) != 0)
 			return (EROFS);
 		break;
 
 	case VBLK:
 		/* FALLTHROUGH */
 	case VCHR:
 		/* FALLTHROUGH */
 	case VSOCK:
 		/* FALLTHROUGH */
 	case VFIFO:
 		break;
 
 	default:
 		return (EINVAL);
 	}
 
 	return (tmpfs_access_locked(vp, node, accmode, cred));
 }
 
 int
 tmpfs_stat(struct vop_stat_args *v)
 {
 	struct vnode *vp = v->a_vp;
 	struct stat *sb = v->a_sb;
 	struct tmpfs_node *node;
 	int error;
 
 	node = VP_TO_TMPFS_NODE(vp);
 
 	tmpfs_update_getattr(vp);
 
 	error = vop_stat_helper_pre(v);
 	if (__predict_false(error))
 		return (error);
 
 	sb->st_dev = vp->v_mount->mnt_stat.f_fsid.val[0];
 	sb->st_ino = node->tn_id;
 	sb->st_mode = node->tn_mode | VTTOIF(vp->v_type);
 	sb->st_nlink = node->tn_links;
 	sb->st_uid = node->tn_uid;
 	sb->st_gid = node->tn_gid;
 	sb->st_rdev = VN_ISDEV(vp) ? node->tn_rdev : NODEV;
 	sb->st_size = node->tn_size;
 	sb->st_atim.tv_sec = node->tn_atime.tv_sec;
 	sb->st_atim.tv_nsec = node->tn_atime.tv_nsec;
 	sb->st_mtim.tv_sec = node->tn_mtime.tv_sec;
 	sb->st_mtim.tv_nsec = node->tn_mtime.tv_nsec;
 	sb->st_ctim.tv_sec = node->tn_ctime.tv_sec;
 	sb->st_ctim.tv_nsec = node->tn_ctime.tv_nsec;
 	sb->st_birthtim.tv_sec = node->tn_birthtime.tv_sec;
 	sb->st_birthtim.tv_nsec = node->tn_birthtime.tv_nsec;
 	sb->st_blksize = PAGE_SIZE;
 	sb->st_flags = node->tn_flags;
 	sb->st_gen = node->tn_gen;
 	sb->st_filerev = 0;
 	if (vp->v_type == VREG) {
 #ifdef __ILP32__
 		vm_object_t obj = node->tn_reg.tn_aobj;
 
 		/* Handle torn read */
 		VM_OBJECT_RLOCK(obj);
 #endif
 		sb->st_blocks = ptoa(node->tn_reg.tn_pages);
 #ifdef __ILP32__
 		VM_OBJECT_RUNLOCK(obj);
 #endif
 	} else {
 		sb->st_blocks = node->tn_size;
 	}
 	sb->st_blocks /= S_BLKSIZE;
 	return (vop_stat_helper_post(v, error));
 }
 
 int
 tmpfs_getattr(struct vop_getattr_args *v)
 {
 	struct vnode *vp = v->a_vp;
 	struct vattr *vap = v->a_vap;
 	struct tmpfs_node *node;
 
 	node = VP_TO_TMPFS_NODE(vp);
 
 	tmpfs_update_getattr(vp);
 
 	vap->va_type = vp->v_type;
 	vap->va_mode = node->tn_mode;
 	vap->va_nlink = node->tn_links;
 	vap->va_uid = node->tn_uid;
 	vap->va_gid = node->tn_gid;
 	vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0];
 	vap->va_fileid = node->tn_id;
 	vap->va_size = node->tn_size;
 	vap->va_blocksize = PAGE_SIZE;
 	vap->va_atime = node->tn_atime;
 	vap->va_mtime = node->tn_mtime;
 	vap->va_ctime = node->tn_ctime;
 	vap->va_birthtime = node->tn_birthtime;
 	vap->va_gen = node->tn_gen;
 	vap->va_flags = node->tn_flags;
 	vap->va_rdev = VN_ISDEV(vp) ? node->tn_rdev : NODEV;
 	if (vp->v_type == VREG) {
 #ifdef __ILP32__
 		vm_object_t obj = node->tn_reg.tn_aobj;
 
 		VM_OBJECT_RLOCK(obj);
 #endif
 		vap->va_bytes = ptoa(node->tn_reg.tn_pages);
 #ifdef __ILP32__
 		VM_OBJECT_RUNLOCK(obj);
 #endif
 	} else {
 		vap->va_bytes = node->tn_size;
 	}
 	vap->va_filerev = 0;
 
 	return (0);
 }
 
 int
 tmpfs_setattr(struct vop_setattr_args *v)
 {
 	struct vnode *vp = v->a_vp;
 	struct vattr *vap = v->a_vap;
 	struct ucred *cred = v->a_cred;
 	struct thread *td = curthread;
 
 	int error;
 
 	ASSERT_VOP_IN_SEQC(vp);
 
 	error = 0;
 
 	/* Abort if any unsettable attribute is given. */
 	if (vap->va_type != VNON ||
 	    vap->va_nlink != VNOVAL ||
 	    vap->va_fsid != VNOVAL ||
 	    vap->va_fileid != VNOVAL ||
 	    vap->va_blocksize != VNOVAL ||
 	    vap->va_gen != VNOVAL ||
 	    vap->va_rdev != VNOVAL ||
 	    vap->va_bytes != VNOVAL)
 		error = EINVAL;
 
 	if (error == 0 && (vap->va_flags != VNOVAL))
 		error = tmpfs_chflags(vp, vap->va_flags, cred, td);
 
 	if (error == 0 && (vap->va_size != VNOVAL))
 		error = tmpfs_chsize(vp, vap->va_size, cred, td);
 
 	if (error == 0 && (vap->va_uid != VNOVAL || vap->va_gid != VNOVAL))
 		error = tmpfs_chown(vp, vap->va_uid, vap->va_gid, cred, td);
 
 	if (error == 0 && (vap->va_mode != (mode_t)VNOVAL))
 		error = tmpfs_chmod(vp, vap->va_mode, cred, td);
 
 	if (error == 0 && ((vap->va_atime.tv_sec != VNOVAL &&
 	    vap->va_atime.tv_nsec != VNOVAL) ||
 	    (vap->va_mtime.tv_sec != VNOVAL &&
 	    vap->va_mtime.tv_nsec != VNOVAL) ||
 	    (vap->va_birthtime.tv_sec != VNOVAL &&
 	    vap->va_birthtime.tv_nsec != VNOVAL)))
 		error = tmpfs_chtimes(vp, vap, cred, td);
 
 	/*
 	 * Update the node times.  We give preference to the error codes
 	 * generated by this function rather than the ones that may arise
 	 * from tmpfs_update.
 	 */
 	tmpfs_update(vp);
 
 	return (error);
 }
 
 static int
 tmpfs_read(struct vop_read_args *v)
 {
 	struct vnode *vp;
 	struct uio *uio;
 	struct tmpfs_node *node;
 
 	vp = v->a_vp;
 	if (vp->v_type != VREG)
 		return (EISDIR);
 	uio = v->a_uio;
 	if (uio->uio_offset < 0)
 		return (EINVAL);
 	node = VP_TO_TMPFS_NODE(vp);
 	tmpfs_set_accessed(VFS_TO_TMPFS(vp->v_mount), node);
 	return (uiomove_object(node->tn_reg.tn_aobj, node->tn_size, uio));
 }
 
 static int
 tmpfs_read_pgcache(struct vop_read_pgcache_args *v)
 {
 	struct vnode *vp;
 	struct tmpfs_node *node;
 	vm_object_t object;
 	off_t size;
 	int error;
 
 	vp = v->a_vp;
 	VNPASS((vn_irflag_read(vp) & VIRF_PGREAD) != 0, vp);
 
 	if (v->a_uio->uio_offset < 0)
 		return (EINVAL);
 
 	error = EJUSTRETURN;
 	vfs_smr_enter();
 
 	node = VP_TO_TMPFS_NODE_SMR(vp);
 	if (node == NULL)
 		goto out_smr;
 	MPASS(node->tn_type == VREG);
 	MPASS(node->tn_refcount >= 1);
 	object = node->tn_reg.tn_aobj;
 	if (object == NULL)
 		goto out_smr;
 
 	MPASS(object->type == tmpfs_pager_type);
 	MPASS((object->flags & (OBJ_ANON | OBJ_DEAD | OBJ_SWAP)) ==
 	    OBJ_SWAP);
 	if (!VN_IS_DOOMED(vp)) {
 		/* size cannot become shorter due to rangelock. */
 		size = node->tn_size;
 		tmpfs_set_accessed(node->tn_reg.tn_tmp, node);
 		vfs_smr_exit();
 		error = uiomove_object(object, size, v->a_uio);
 		return (error);
 	}
 out_smr:
 	vfs_smr_exit();
 	return (error);
 }
 
 static int
 tmpfs_write(struct vop_write_args *v)
 {
 	struct vnode *vp;
 	struct uio *uio;
 	struct tmpfs_node *node;
 	off_t oldsize;
 	ssize_t r;
 	int error, ioflag;
 	mode_t newmode;
 
 	vp = v->a_vp;
 	uio = v->a_uio;
 	ioflag = v->a_ioflag;
 	error = 0;
 	node = VP_TO_TMPFS_NODE(vp);
 	oldsize = node->tn_size;
 
 	if (uio->uio_offset < 0 || vp->v_type != VREG)
 		return (EINVAL);
 	if (uio->uio_resid == 0)
 		return (0);
 	if (ioflag & IO_APPEND)
 		uio->uio_offset = node->tn_size;
 	error = vn_rlimit_fsizex(vp, uio, VFS_TO_TMPFS(vp->v_mount)->
 	    tm_maxfilesize, &r, uio->uio_td);
 	if (error != 0) {
 		vn_rlimit_fsizex_res(uio, r);
 		return (error);
 	}
 
 	if (uio->uio_offset + uio->uio_resid > node->tn_size) {
 		error = tmpfs_reg_resize(vp, uio->uio_offset + uio->uio_resid,
 		    FALSE);
 		if (error != 0)
 			goto out;
 	}
 
 	error = uiomove_object(node->tn_reg.tn_aobj, node->tn_size, uio);
 	node->tn_status |= TMPFS_NODE_MODIFIED | TMPFS_NODE_CHANGED;
 	node->tn_accessed = true;
 	if (node->tn_mode & (S_ISUID | S_ISGID)) {
 		if (priv_check_cred(v->a_cred, PRIV_VFS_RETAINSUGID)) {
 			newmode = node->tn_mode & ~(S_ISUID | S_ISGID);
 			vn_seqc_write_begin(vp);
 			atomic_store_short(&node->tn_mode, newmode);
 			vn_seqc_write_end(vp);
 		}
 	}
 	if (error != 0)
 		(void)tmpfs_reg_resize(vp, oldsize, TRUE);
 
 out:
 	MPASS(IMPLIES(error == 0, uio->uio_resid == 0));
 	MPASS(IMPLIES(error != 0, oldsize == node->tn_size));
 
 	vn_rlimit_fsizex_res(uio, r);
 	return (error);
 }
 
 static int
 tmpfs_deallocate(struct vop_deallocate_args *v)
 {
 	return (tmpfs_reg_punch_hole(v->a_vp, v->a_offset, v->a_len));
 }
 
 static int
 tmpfs_fsync(struct vop_fsync_args *v)
 {
 	struct vnode *vp = v->a_vp;
 
 	tmpfs_check_mtime(vp);
 	tmpfs_update(vp);
 
 	return (0);
 }
 
 static int
 tmpfs_remove(struct vop_remove_args *v)
 {
 	struct vnode *dvp = v->a_dvp;
 	struct vnode *vp = v->a_vp;
 
 	int error;
 	struct tmpfs_dirent *de;
 	struct tmpfs_mount *tmp;
 	struct tmpfs_node *dnode;
 	struct tmpfs_node *node;
 
 	if (vp->v_type == VDIR) {
 		error = EISDIR;
 		goto out;
 	}
 
 	dnode = VP_TO_TMPFS_DIR(dvp);
 	node = VP_TO_TMPFS_NODE(vp);
 	tmp = VFS_TO_TMPFS(vp->v_mount);
 	de = tmpfs_dir_lookup(dnode, node, v->a_cnp);
 	MPASS(de != NULL);
 
 	/* Files marked as immutable or append-only cannot be deleted. */
 	if ((node->tn_flags & (IMMUTABLE | APPEND | NOUNLINK)) ||
 	    (dnode->tn_flags & APPEND)) {
 		error = EPERM;
 		goto out;
 	}
 
 	/* Remove the entry from the directory; as it is a file, we do not
 	 * have to change the number of hard links of the directory. */
 	tmpfs_dir_detach(dvp, de);
 	if (v->a_cnp->cn_flags & DOWHITEOUT)
 		tmpfs_dir_whiteout_add(dvp, v->a_cnp);
 
 	/* Free the directory entry we just deleted.  Note that the node
 	 * referred by it will not be removed until the vnode is really
 	 * reclaimed. */
 	tmpfs_free_dirent(tmp, de);
 
 	node->tn_status |= TMPFS_NODE_CHANGED;
 	node->tn_accessed = true;
 	error = 0;
 
 out:
 	return (error);
 }
 
 static int
 tmpfs_link(struct vop_link_args *v)
 {
 	struct vnode *dvp = v->a_tdvp;
 	struct vnode *vp = v->a_vp;
 	struct componentname *cnp = v->a_cnp;
 
 	int error;
 	struct tmpfs_dirent *de;
 	struct tmpfs_node *node;
 
 	MPASS(dvp != vp); /* XXX When can this be false? */
 	node = VP_TO_TMPFS_NODE(vp);
 
 	/* Ensure that we do not overflow the maximum number of links imposed
 	 * by the system. */
 	MPASS(node->tn_links <= TMPFS_LINK_MAX);
 	if (node->tn_links == TMPFS_LINK_MAX) {
 		error = EMLINK;
 		goto out;
 	}
 
 	/* We cannot create links of files marked immutable or append-only. */
 	if (node->tn_flags & (IMMUTABLE | APPEND)) {
 		error = EPERM;
 		goto out;
 	}
 
 	/* Allocate a new directory entry to represent the node. */
 	error = tmpfs_alloc_dirent(VFS_TO_TMPFS(vp->v_mount), node,
 	    cnp->cn_nameptr, cnp->cn_namelen, &de);
 	if (error != 0)
 		goto out;
 
 	/* Insert the new directory entry into the appropriate directory. */
 	if (cnp->cn_flags & ISWHITEOUT)
 		tmpfs_dir_whiteout_remove(dvp, cnp);
 	tmpfs_dir_attach(dvp, de);
 
 	/* vp link count has changed, so update node times. */
 	node->tn_status |= TMPFS_NODE_CHANGED;
 	tmpfs_update(vp);
 
 	error = 0;
 
 out:
 	return (error);
 }
 
 /*
  * We acquire all but fdvp locks using non-blocking acquisitions.  If we
  * fail to acquire any lock in the path we will drop all held locks,
  * acquire the new lock in a blocking fashion, and then release it and
  * restart the rename.  This acquire/release step ensures that we do not
  * spin on a lock waiting for release.  On error release all vnode locks
  * and decrement references the way tmpfs_rename() would do.
  */
 static int
 tmpfs_rename_relock(struct vnode *fdvp, struct vnode **fvpp,
     struct vnode *tdvp, struct vnode **tvpp,
     struct componentname *fcnp, struct componentname *tcnp)
 {
 	struct vnode *nvp;
 	struct mount *mp;
 	struct tmpfs_dirent *de;
 	int error, restarts = 0;
 
 	VOP_UNLOCK(tdvp);
 	if (*tvpp != NULL && *tvpp != tdvp)
 		VOP_UNLOCK(*tvpp);
 	mp = fdvp->v_mount;
 
 relock:
 	restarts += 1;
 	error = vn_lock(fdvp, LK_EXCLUSIVE);
 	if (error)
 		goto releout;
 	if (vn_lock(tdvp, LK_EXCLUSIVE | LK_NOWAIT) != 0) {
 		VOP_UNLOCK(fdvp);
 		error = vn_lock(tdvp, LK_EXCLUSIVE);
 		if (error)
 			goto releout;
 		VOP_UNLOCK(tdvp);
 		goto relock;
 	}
 	/*
 	 * Re-resolve fvp to be certain it still exists and fetch the
 	 * correct vnode.
 	 */
 	de = tmpfs_dir_lookup(VP_TO_TMPFS_DIR(fdvp), NULL, fcnp);
 	if (de == NULL) {
 		VOP_UNLOCK(fdvp);
 		VOP_UNLOCK(tdvp);
 		if ((fcnp->cn_flags & ISDOTDOT) != 0 ||
 		    (fcnp->cn_namelen == 1 && fcnp->cn_nameptr[0] == '.'))
 			error = EINVAL;
 		else
 			error = ENOENT;
 		goto releout;
 	}
 	error = tmpfs_alloc_vp(mp, de->td_node, LK_EXCLUSIVE | LK_NOWAIT, &nvp);
 	if (error != 0) {
 		VOP_UNLOCK(fdvp);
 		VOP_UNLOCK(tdvp);
 		if (error != EBUSY)
 			goto releout;
 		error = tmpfs_alloc_vp(mp, de->td_node, LK_EXCLUSIVE, &nvp);
 		if (error != 0)
 			goto releout;
 		VOP_UNLOCK(nvp);
 		/*
 		 * Concurrent rename race.
 		 */
 		if (nvp == tdvp) {
 			vrele(nvp);
 			error = EINVAL;
 			goto releout;
 		}
 		vrele(*fvpp);
 		*fvpp = nvp;
 		goto relock;
 	}
 	vrele(*fvpp);
 	*fvpp = nvp;
 	VOP_UNLOCK(*fvpp);
 	/*
 	 * Re-resolve tvp and acquire the vnode lock if present.
 	 */
 	de = tmpfs_dir_lookup(VP_TO_TMPFS_DIR(tdvp), NULL, tcnp);
 	/*
 	 * If tvp disappeared we just carry on.
 	 */
 	if (de == NULL && *tvpp != NULL) {
 		vrele(*tvpp);
 		*tvpp = NULL;
 	}
 	/*
 	 * Get the tvp ino if the lookup succeeded.  We may have to restart
 	 * if the non-blocking acquire fails.
 	 */
 	if (de != NULL) {
 		nvp = NULL;
 		error = tmpfs_alloc_vp(mp, de->td_node,
 		    LK_EXCLUSIVE | LK_NOWAIT, &nvp);
 		if (*tvpp != NULL)
 			vrele(*tvpp);
 		*tvpp = nvp;
 		if (error != 0) {
 			VOP_UNLOCK(fdvp);
 			VOP_UNLOCK(tdvp);
 			if (error != EBUSY)
 				goto releout;
 			error = tmpfs_alloc_vp(mp, de->td_node, LK_EXCLUSIVE,
 			    &nvp);
 			if (error != 0)
 				goto releout;
 			VOP_UNLOCK(nvp);
 			/*
 			 * fdvp contains fvp, thus tvp (=fdvp) is not empty.
 			 */
 			if (nvp == fdvp) {
 				error = ENOTEMPTY;
 				goto releout;
 			}
 			goto relock;
 		}
 	}
 	tmpfs_rename_restarts += restarts;
 
 	return (0);
 
 releout:
 	vrele(fdvp);
 	vrele(*fvpp);
 	vrele(tdvp);
 	if (*tvpp != NULL)
 		vrele(*tvpp);
 	tmpfs_rename_restarts += restarts;
 
 	return (error);
 }
 
 static int
 tmpfs_rename(struct vop_rename_args *v)
 {
 	struct vnode *fdvp = v->a_fdvp;
 	struct vnode *fvp = v->a_fvp;
 	struct componentname *fcnp = v->a_fcnp;
 	struct vnode *tdvp = v->a_tdvp;
 	struct vnode *tvp = v->a_tvp;
 	struct componentname *tcnp = v->a_tcnp;
 	char *newname;
 	struct tmpfs_dirent *de;
 	struct tmpfs_mount *tmp;
 	struct tmpfs_node *fdnode;
 	struct tmpfs_node *fnode;
 	struct tmpfs_node *tnode;
 	struct tmpfs_node *tdnode;
 	int error;
 	bool want_seqc_end;
 
 	want_seqc_end = false;
 
 	/*
 	 * Disallow cross-device renames.
 	 * XXX Why isn't this done by the caller?
 	 */
 	if (fvp->v_mount != tdvp->v_mount ||
 	    (tvp != NULL && fvp->v_mount != tvp->v_mount)) {
 		error = EXDEV;
 		goto out;
 	}
 
 	/* If source and target are the same file, there is nothing to do. */
 	if (fvp == tvp) {
 		error = 0;
 		goto out;
 	}
 
 	/*
 	 * If we need to move the directory between entries, lock the
 	 * source so that we can safely operate on it.
 	 */
 	if (fdvp != tdvp && fdvp != tvp) {
 		if (vn_lock(fdvp, LK_EXCLUSIVE | LK_NOWAIT) != 0) {
 			error = tmpfs_rename_relock(fdvp, &fvp, tdvp, &tvp,
 			    fcnp, tcnp);
 			if (error != 0)
 				return (error);
 			ASSERT_VOP_ELOCKED(fdvp,
 			    "tmpfs_rename: fdvp not locked");
 			ASSERT_VOP_ELOCKED(tdvp,
 			    "tmpfs_rename: tdvp not locked");
 			if (tvp != NULL)
 				ASSERT_VOP_ELOCKED(tvp,
 				    "tmpfs_rename: tvp not locked");
 			if (fvp == tvp) {
 				error = 0;
 				goto out_locked;
 			}
 		}
 	}
 
 	/*
 	 * Avoid manipulating '.' and '..' entries.
 	 */
 	if ((fcnp->cn_flags & ISDOTDOT) != 0 ||
 	    (fcnp->cn_namelen == 1 && fcnp->cn_nameptr[0] == '.')) {
 		error = EINVAL;
 		goto out_locked;
 	}
 
 	if (tvp != NULL)
 		vn_seqc_write_begin(tvp);
 	vn_seqc_write_begin(tdvp);
 	vn_seqc_write_begin(fvp);
 	vn_seqc_write_begin(fdvp);
 	want_seqc_end = true;
 
 	tmp = VFS_TO_TMPFS(tdvp->v_mount);
 	tdnode = VP_TO_TMPFS_DIR(tdvp);
 	tnode = (tvp == NULL) ? NULL : VP_TO_TMPFS_NODE(tvp);
 	fdnode = VP_TO_TMPFS_DIR(fdvp);
 	fnode = VP_TO_TMPFS_NODE(fvp);
 	de = tmpfs_dir_lookup(fdnode, fnode, fcnp);
 
 	/*
 	 * Entry can disappear before we lock fdvp.
 	 */
 	if (de == NULL) {
 		if ((fcnp->cn_flags & ISDOTDOT) != 0 ||
 		    (fcnp->cn_namelen == 1 && fcnp->cn_nameptr[0] == '.'))
 			error = EINVAL;
 		else
 			error = ENOENT;
 		goto out_locked;
 	}
 	MPASS(de->td_node == fnode);
 
 	/*
 	 * If re-naming a directory to another preexisting directory
 	 * ensure that the target directory is empty so that its
 	 * removal causes no side effects.
 	 * Kern_rename guarantees the destination to be a directory
 	 * if the source is one.
 	 */
 	if (tvp != NULL) {
 		MPASS(tnode != NULL);
 
 		if ((tnode->tn_flags & (NOUNLINK | IMMUTABLE | APPEND)) ||
 		    (tdnode->tn_flags & (APPEND | IMMUTABLE))) {
 			error = EPERM;
 			goto out_locked;
 		}
 
 		if (fnode->tn_type == VDIR && tnode->tn_type == VDIR) {
 			if (tnode->tn_size != 0 &&
 			    ((tcnp->cn_flags & IGNOREWHITEOUT) == 0 ||
 			    tnode->tn_size > tnode->tn_dir.tn_wht_size)) {
 				error = ENOTEMPTY;
 				goto out_locked;
 			}
 		} else if (fnode->tn_type == VDIR && tnode->tn_type != VDIR) {
 			error = ENOTDIR;
 			goto out_locked;
 		} else if (fnode->tn_type != VDIR && tnode->tn_type == VDIR) {
 			error = EISDIR;
 			goto out_locked;
 		} else {
 			MPASS(fnode->tn_type != VDIR &&
 				tnode->tn_type != VDIR);
 		}
 	}
 
 	if ((fnode->tn_flags & (NOUNLINK | IMMUTABLE | APPEND))
 	    || (fdnode->tn_flags & (APPEND | IMMUTABLE))) {
 		error = EPERM;
 		goto out_locked;
 	}
 
 	/*
 	 * Ensure that we have enough memory to hold the new name, if it
 	 * has to be changed.
 	 */
 	if (fcnp->cn_namelen != tcnp->cn_namelen ||
 	    bcmp(fcnp->cn_nameptr, tcnp->cn_nameptr, fcnp->cn_namelen) != 0) {
 		newname = malloc(tcnp->cn_namelen, M_TMPFSNAME, M_WAITOK);
 	} else
 		newname = NULL;
 
 	/*
 	 * If the node is being moved to another directory, we have to do
 	 * the move.
 	 */
 	if (fdnode != tdnode) {
 		/*
 		 * In case we are moving a directory, we have to adjust its
 		 * parent to point to the new parent.
 		 */
 		if (de->td_node->tn_type == VDIR) {
 			struct tmpfs_node *n;
 
 			TMPFS_NODE_LOCK(fnode);
 			error = tmpfs_access_locked(fvp, fnode, VWRITE,
 			    tcnp->cn_cred);
 			TMPFS_NODE_UNLOCK(fnode);
 			if (error) {
 				if (newname != NULL)
 					free(newname, M_TMPFSNAME);
 				goto out_locked;
 			}
 
 			/*
 			 * Ensure the target directory is not a child of the
 			 * directory being moved.  Otherwise, we'd end up
 			 * with stale nodes.
 			 */
 			n = tdnode;
 			/*
 			 * TMPFS_LOCK guaranties that no nodes are freed while
 			 * traversing the list. Nodes can only be marked as
 			 * removed: tn_parent == NULL.
 			 */
 			TMPFS_LOCK(tmp);
 			TMPFS_NODE_LOCK(n);
 			while (n != n->tn_dir.tn_parent) {
 				struct tmpfs_node *parent;
 
 				if (n == fnode) {
 					TMPFS_NODE_UNLOCK(n);
 					TMPFS_UNLOCK(tmp);
 					error = EINVAL;
 					if (newname != NULL)
 						free(newname, M_TMPFSNAME);
 					goto out_locked;
 				}
 				parent = n->tn_dir.tn_parent;
 				TMPFS_NODE_UNLOCK(n);
 				if (parent == NULL) {
 					n = NULL;
 					break;
 				}
 				TMPFS_NODE_LOCK(parent);
 				if (parent->tn_dir.tn_parent == NULL) {
 					TMPFS_NODE_UNLOCK(parent);
 					n = NULL;
 					break;
 				}
 				n = parent;
 			}
 			TMPFS_UNLOCK(tmp);
 			if (n == NULL) {
 				error = EINVAL;
 				if (newname != NULL)
 					    free(newname, M_TMPFSNAME);
 				goto out_locked;
 			}
 			TMPFS_NODE_UNLOCK(n);
 
 			/* Adjust the parent pointer. */
 			TMPFS_VALIDATE_DIR(fnode);
 			TMPFS_NODE_LOCK(de->td_node);
 			de->td_node->tn_dir.tn_parent = tdnode;
 			TMPFS_NODE_UNLOCK(de->td_node);
 
 			/*
 			 * As a result of changing the target of the '..'
 			 * entry, the link count of the source and target
 			 * directories has to be adjusted.
 			 */
 			TMPFS_NODE_LOCK(tdnode);
 			TMPFS_ASSERT_LOCKED(tdnode);
 			tdnode->tn_links++;
 			TMPFS_NODE_UNLOCK(tdnode);
 
 			TMPFS_NODE_LOCK(fdnode);
 			TMPFS_ASSERT_LOCKED(fdnode);
 			fdnode->tn_links--;
 			TMPFS_NODE_UNLOCK(fdnode);
 		}
 	}
 
 	/*
 	 * Do the move: just remove the entry from the source directory
 	 * and insert it into the target one.
 	 */
 	tmpfs_dir_detach(fdvp, de);
 
 	if (fcnp->cn_flags & DOWHITEOUT)
 		tmpfs_dir_whiteout_add(fdvp, fcnp);
 	if (tcnp->cn_flags & ISWHITEOUT)
 		tmpfs_dir_whiteout_remove(tdvp, tcnp);
 
 	/*
 	 * If the name has changed, we need to make it effective by changing
 	 * it in the directory entry.
 	 */
 	if (newname != NULL) {
 		MPASS(tcnp->cn_namelen <= MAXNAMLEN);
 
 		free(de->ud.td_name, M_TMPFSNAME);
 		de->ud.td_name = newname;
 		tmpfs_dirent_init(de, tcnp->cn_nameptr, tcnp->cn_namelen);
 
 		fnode->tn_status |= TMPFS_NODE_CHANGED;
 		tdnode->tn_status |= TMPFS_NODE_MODIFIED;
 	}
 
 	/*
 	 * If we are overwriting an entry, we have to remove the old one
 	 * from the target directory.
 	 */
 	if (tvp != NULL) {
 		struct tmpfs_dirent *tde;
 
 		/* Remove the old entry from the target directory. */
 		tde = tmpfs_dir_lookup(tdnode, tnode, tcnp);
 		tmpfs_dir_detach(tdvp, tde);
 
 		/*
 		 * If we are overwriting a directory, per the ENOTEMPTY check
 		 * above it must either be empty or contain only whiteout
 		 * entries.  In the latter case (which can only happen if
 		 * IGNOREWHITEOUT was passed in tcnp->cn_flags), clear the
 		 * whiteout entries to avoid leaking memory.
 		 */
 		if (tnode->tn_type == VDIR && tnode->tn_size > 0)
 			tmpfs_dir_clear_whiteouts(tvp);
 
 		/* Update node's ctime because of possible hardlinks. */
 		tnode->tn_status |= TMPFS_NODE_CHANGED;
 		tmpfs_update(tvp);
 
 		/*
 		 * Free the directory entry we just deleted.  Note that the
 		 * node referred by it will not be removed until the vnode is
 		 * really reclaimed.
 		 */
 		tmpfs_free_dirent(VFS_TO_TMPFS(tvp->v_mount), tde);
 	}
 
 	tmpfs_dir_attach(tdvp, de);
 
 	if (tmpfs_use_nc(fvp)) {
 		cache_vop_rename(fdvp, fvp, tdvp, tvp, fcnp, tcnp);
 	}
 
 	error = 0;
 
 out_locked:
 	if (fdvp != tdvp && fdvp != tvp)
 		VOP_UNLOCK(fdvp);
 
 out:
 	if (want_seqc_end) {
 		if (tvp != NULL)
 			vn_seqc_write_end(tvp);
 		vn_seqc_write_end(tdvp);
 		vn_seqc_write_end(fvp);
 		vn_seqc_write_end(fdvp);
 	}
 
 	/*
 	 * Release target nodes.
 	 * XXX: I don't understand when tdvp can be the same as tvp, but
 	 * other code takes care of this...
 	 */
 	if (tdvp == tvp)
 		vrele(tdvp);
 	else
 		vput(tdvp);
 	if (tvp != NULL)
 		vput(tvp);
 
 	/* Release source nodes. */
 	vrele(fdvp);
 	vrele(fvp);
 
 	return (error);
 }
 
 static int
 tmpfs_mkdir(struct vop_mkdir_args *v)
 {
 	struct vnode *dvp = v->a_dvp;
 	struct vnode **vpp = v->a_vpp;
 	struct componentname *cnp = v->a_cnp;
 	struct vattr *vap = v->a_vap;
 
 	MPASS(vap->va_type == VDIR);
 
 	return (tmpfs_alloc_file(dvp, vpp, vap, cnp, NULL));
 }
 
 static int
 tmpfs_rmdir(struct vop_rmdir_args *v)
 {
 	struct vnode *dvp = v->a_dvp;
 	struct vnode *vp = v->a_vp;
 	struct componentname *cnp = v->a_cnp;
 
 	int error;
 	struct tmpfs_dirent *de;
 	struct tmpfs_mount *tmp;
 	struct tmpfs_node *dnode;
 	struct tmpfs_node *node;
 
 	tmp = VFS_TO_TMPFS(dvp->v_mount);
 	dnode = VP_TO_TMPFS_DIR(dvp);
 	node = VP_TO_TMPFS_DIR(vp);
 
 	/*
 	 * Directories with more than two non-whiteout entries ('.' and '..')
 	 * cannot be removed.
 	 */
 	if (node->tn_size != 0 &&
 	    ((cnp->cn_flags & IGNOREWHITEOUT) == 0 ||
 	    node->tn_size > node->tn_dir.tn_wht_size)) {
 		error = ENOTEMPTY;
 		goto out;
 	}
 
 	/* Check flags to see if we are allowed to remove the directory. */
 	if ((dnode->tn_flags & APPEND)
 	    || (node->tn_flags & (NOUNLINK | IMMUTABLE | APPEND))) {
 		error = EPERM;
 		goto out;
 	}
 
 	/* This invariant holds only if we are not trying to remove "..".
 	 * We checked for that above so this is safe now. */
 	MPASS(node->tn_dir.tn_parent == dnode);
 
 	/* Get the directory entry associated with node (vp).  This was
 	 * filled by tmpfs_lookup while looking up the entry. */
 	de = tmpfs_dir_lookup(dnode, node, cnp);
 	MPASS(TMPFS_DIRENT_MATCHES(de,
 	    cnp->cn_nameptr,
 	    cnp->cn_namelen));
 
 	/* Detach the directory entry from the directory (dnode). */
 	tmpfs_dir_detach(dvp, de);
 
 	/*
 	 * If we are removing a directory, per the ENOTEMPTY check above it
 	 * must either be empty or contain only whiteout entries.  In the
 	 * latter case (which can only happen if IGNOREWHITEOUT was passed
 	 * in cnp->cn_flags), clear the whiteout entries to avoid leaking
 	 * memory.
 	 */
 	if (node->tn_size > 0)
 		tmpfs_dir_clear_whiteouts(vp);
 
 	if (cnp->cn_flags & DOWHITEOUT)
 		tmpfs_dir_whiteout_add(dvp, cnp);
 
 	/* No vnode should be allocated for this entry from this point */
 	TMPFS_NODE_LOCK(node);
 	node->tn_links--;
 	node->tn_dir.tn_parent = NULL;
 	node->tn_status |= TMPFS_NODE_CHANGED | TMPFS_NODE_MODIFIED;
 	node->tn_accessed = true;
 
 	TMPFS_NODE_UNLOCK(node);
 
 	TMPFS_NODE_LOCK(dnode);
 	dnode->tn_links--;
 	dnode->tn_status |= TMPFS_NODE_CHANGED | TMPFS_NODE_MODIFIED;
 	dnode->tn_accessed = true;
 	TMPFS_NODE_UNLOCK(dnode);
 
 	if (tmpfs_use_nc(dvp)) {
 		cache_vop_rmdir(dvp, vp);
 	}
 
 	/* Free the directory entry we just deleted.  Note that the node
 	 * referred by it will not be removed until the vnode is really
 	 * reclaimed. */
 	tmpfs_free_dirent(tmp, de);
 
 	/* Release the deleted vnode (will destroy the node, notify
 	 * interested parties and clean it from the cache). */
 
 	dnode->tn_status |= TMPFS_NODE_CHANGED;
 	tmpfs_update(dvp);
 
 	error = 0;
 
 out:
 	return (error);
 }
 
 static int
 tmpfs_symlink(struct vop_symlink_args *v)
 {
 	struct vnode *dvp = v->a_dvp;
 	struct vnode **vpp = v->a_vpp;
 	struct componentname *cnp = v->a_cnp;
 	struct vattr *vap = v->a_vap;
 	const char *target = v->a_target;
 
 #ifdef notyet /* XXX FreeBSD BUG: kern_symlink is not setting VLNK */
 	MPASS(vap->va_type == VLNK);
 #else
 	vap->va_type = VLNK;
 #endif
 
 	return (tmpfs_alloc_file(dvp, vpp, vap, cnp, target));
 }
 
 static int
 tmpfs_readdir(struct vop_readdir_args *va)
 {
 	struct vnode *vp;
 	struct uio *uio;
 	struct tmpfs_mount *tm;
 	struct tmpfs_node *node;
 	uint64_t **cookies;
 	int *eofflag, *ncookies;
 	ssize_t startresid;
 	int error, maxcookies;
 
 	vp = va->a_vp;
 	uio = va->a_uio;
 	eofflag = va->a_eofflag;
 	cookies = va->a_cookies;
 	ncookies = va->a_ncookies;
 
 	/* This operation only makes sense on directory nodes. */
 	if (vp->v_type != VDIR)
 		return (ENOTDIR);
 
 	maxcookies = 0;
 	node = VP_TO_TMPFS_DIR(vp);
 	tm = VFS_TO_TMPFS(vp->v_mount);
 
 	startresid = uio->uio_resid;
 
 	/* Allocate cookies for NFS and compat modules. */
 	if (cookies != NULL && ncookies != NULL) {
 		maxcookies = howmany(node->tn_size,
 		    sizeof(struct tmpfs_dirent)) + 2;
 		*cookies = malloc(maxcookies * sizeof(**cookies), M_TEMP,
 		    M_WAITOK);
 		*ncookies = 0;
 	}
 
 	if (cookies == NULL)
 		error = tmpfs_dir_getdents(tm, node, uio, 0, NULL, NULL);
 	else
 		error = tmpfs_dir_getdents(tm, node, uio, maxcookies, *cookies,
 		    ncookies);
 
 	/* Buffer was filled without hitting EOF. */
 	if (error == EJUSTRETURN)
 		error = (uio->uio_resid != startresid) ? 0 : EINVAL;
 
 	if (error != 0 && cookies != NULL && ncookies != NULL) {
 		free(*cookies, M_TEMP);
 		*cookies = NULL;
 		*ncookies = 0;
 	}
 
 	if (eofflag != NULL)
 		*eofflag =
 		    (error == 0 && uio->uio_offset == TMPFS_DIRCOOKIE_EOF);
 
 	return (error);
 }
 
 static int
 tmpfs_readlink(struct vop_readlink_args *v)
 {
 	struct vnode *vp = v->a_vp;
 	struct uio *uio = v->a_uio;
 
 	int error;
 	struct tmpfs_node *node;
 
 	MPASS(uio->uio_offset == 0);
 	MPASS(vp->v_type == VLNK);
 
 	node = VP_TO_TMPFS_NODE(vp);
 
 	error = uiomove(node->tn_link_target, MIN(node->tn_size, uio->uio_resid),
 	    uio);
 	tmpfs_set_accessed(VFS_TO_TMPFS(vp->v_mount), node);
 
 	return (error);
 }
 
 /*
  * VOP_FPLOOKUP_SYMLINK routines are subject to special circumstances, see
  * the comment above cache_fplookup for details.
  *
  * Check tmpfs_alloc_node for tmpfs-specific synchronisation notes.
  */
 static int
 tmpfs_fplookup_symlink(struct vop_fplookup_symlink_args *v)
 {
 	struct vnode *vp;
 	struct tmpfs_node *node;
 	char *symlink;
 
 	vp = v->a_vp;
 	node = VP_TO_TMPFS_NODE_SMR(vp);
 	if (__predict_false(node == NULL))
 		return (EAGAIN);
 	if (!atomic_load_char(&node->tn_link_smr))
 		return (EAGAIN);
 	symlink = atomic_load_ptr(&node->tn_link_target);
 	if (symlink == NULL)
 		return (EAGAIN);
 
 	return (cache_symlink_resolve(v->a_fpl, symlink, node->tn_size));
 }
 
 static int
 tmpfs_inactive(struct vop_inactive_args *v)
 {
 	struct vnode *vp;
 	struct tmpfs_node *node;
 
 	vp = v->a_vp;
 	node = VP_TO_TMPFS_NODE(vp);
 	if (node->tn_links == 0)
 		vrecycle(vp);
 	else
 		tmpfs_check_mtime(vp);
 	return (0);
 }
 
 static int
 tmpfs_need_inactive(struct vop_need_inactive_args *ap)
 {
 	struct vnode *vp;
 	struct tmpfs_node *node;
 	struct vm_object *obj;
 
 	vp = ap->a_vp;
 	node = VP_TO_TMPFS_NODE(vp);
 	if (node->tn_links == 0)
 		goto need;
 	if (vp->v_type == VREG) {
 		obj = vp->v_object;
 		if (obj->generation != obj->cleangeneration)
 			goto need;
 	}
 	return (0);
 need:
 	return (1);
 }
 
 int
 tmpfs_reclaim(struct vop_reclaim_args *v)
 {
 	struct vnode *vp;
 	struct tmpfs_mount *tmp;
 	struct tmpfs_node *node;
 	bool unlock;
 
 	vp = v->a_vp;
 	node = VP_TO_TMPFS_NODE(vp);
 	tmp = VFS_TO_TMPFS(vp->v_mount);
 
 	if (vp->v_type == VREG)
 		tmpfs_destroy_vobject(vp, node->tn_reg.tn_aobj);
 	vp->v_object = NULL;
 
 	TMPFS_LOCK(tmp);
 	TMPFS_NODE_LOCK(node);
 	tmpfs_free_vp(vp);
 
 	/*
 	 * If the node referenced by this vnode was deleted by the user,
 	 * we must free its associated data structures (now that the vnode
 	 * is being reclaimed).
 	 */
 	unlock = true;
 	if (node->tn_links == 0 &&
 	    (node->tn_vpstate & TMPFS_VNODE_ALLOCATING) == 0) {
 		node->tn_vpstate = TMPFS_VNODE_DOOMED;
 		unlock = !tmpfs_free_node_locked(tmp, node, true);
 	}
 
 	if (unlock) {
 		TMPFS_NODE_UNLOCK(node);
 		TMPFS_UNLOCK(tmp);
 	}
 
 	MPASS(vp->v_data == NULL);
 	return (0);
 }
 
 int
 tmpfs_print(struct vop_print_args *v)
 {
 	struct vnode *vp = v->a_vp;
 
 	struct tmpfs_node *node;
 
 	node = VP_TO_TMPFS_NODE(vp);
 
 	printf("tag VT_TMPFS, tmpfs_node %p, flags 0x%lx, links %jd\n",
 	    node, node->tn_flags, (uintmax_t)node->tn_links);
 	printf("\tmode 0%o, owner %d, group %d, size %jd, status 0x%x\n",
 	    node->tn_mode, node->tn_uid, node->tn_gid,
 	    (intmax_t)node->tn_size, node->tn_status);
 
 	if (vp->v_type == VFIFO)
 		fifo_printinfo(vp);
 
 	printf("\n");
 
 	return (0);
 }
 
 int
 tmpfs_pathconf(struct vop_pathconf_args *v)
 {
 	struct vnode *vp = v->a_vp;
 	int name = v->a_name;
 	long *retval = v->a_retval;
 
 	int error;
 
 	error = 0;
 
 	switch (name) {
 	case _PC_LINK_MAX:
 		*retval = TMPFS_LINK_MAX;
 		break;
 
 	case _PC_SYMLINK_MAX:
 		*retval = MAXPATHLEN;
 		break;
 
 	case _PC_NAME_MAX:
 		*retval = NAME_MAX;
 		break;
 
 	case _PC_PIPE_BUF:
 		if (vp->v_type == VDIR || vp->v_type == VFIFO)
 			*retval = PIPE_BUF;
 		else
 			error = EINVAL;
 		break;
 
 	case _PC_CHOWN_RESTRICTED:
 		*retval = 1;
 		break;
 
 	case _PC_NO_TRUNC:
 		*retval = 1;
 		break;
 
 	case _PC_SYNC_IO:
 		*retval = 1;
 		break;
 
 	case _PC_FILESIZEBITS:
 		*retval = 64;
 		break;
 
 	case _PC_MIN_HOLE_SIZE:
 		*retval = PAGE_SIZE;
 		break;
 
 	case _PC_HAS_HIDDENSYSTEM:
 		*retval = 1;
 		break;
 
 	default:
 		error = vop_stdpathconf(v);
 	}
 
 	return (error);
 }
 
 static int
 tmpfs_vptofh(struct vop_vptofh_args *ap)
 /*
 vop_vptofh {
 	IN struct vnode *a_vp;
 	IN struct fid *a_fhp;
 };
 */
 {
 	struct tmpfs_fid_data *const tfd = (struct tmpfs_fid_data *)ap->a_fhp;
 	struct tmpfs_node *node;
 	_Static_assert(sizeof(struct tmpfs_fid_data) <= sizeof(struct fid),
 	    "struct tmpfs_fid_data cannot be larger than struct fid");
 
 	node = VP_TO_TMPFS_NODE(ap->a_vp);
 	tfd->tfd_len = sizeof(*tfd);
 	tfd->tfd_gen = node->tn_gen;
 	tfd->tfd_id = node->tn_id;
 
 	return (0);
 }
 
 static int
 tmpfs_whiteout(struct vop_whiteout_args *ap)
 {
 	struct vnode *dvp = ap->a_dvp;
 	struct componentname *cnp = ap->a_cnp;
 	struct tmpfs_dirent *de;
 
 	switch (ap->a_flags) {
 	case LOOKUP:
 		return (0);
 	case CREATE:
 		de = tmpfs_dir_lookup(VP_TO_TMPFS_DIR(dvp), NULL, cnp);
 		if (de != NULL)
 			return (de->td_node == NULL ? 0 : EEXIST);
 		return (tmpfs_dir_whiteout_add(dvp, cnp));
 	case DELETE:
 		tmpfs_dir_whiteout_remove(dvp, cnp);
 		return (0);
 	default:
 		panic("tmpfs_whiteout: unknown op");
 	}
 }
 
 static int
 tmpfs_vptocnp_dir(struct tmpfs_node *tn, struct tmpfs_node *tnp,
     struct tmpfs_dirent **pde)
 {
 	struct tmpfs_dir_cursor dc;
 	struct tmpfs_dirent *de;
 
 	for (de = tmpfs_dir_first(tnp, &dc); de != NULL;
 	     de = tmpfs_dir_next(tnp, &dc)) {
 		if (de->td_node == tn) {
 			*pde = de;
 			return (0);
 		}
 	}
 	return (ENOENT);
 }
 
 static int
 tmpfs_vptocnp_fill(struct vnode *vp, struct tmpfs_node *tn,
     struct tmpfs_node *tnp, char *buf, size_t *buflen, struct vnode **dvp)
 {
 	struct tmpfs_dirent *de;
 	int error, i;
 
 	error = vn_vget_ino_gen(vp, tmpfs_vn_get_ino_alloc, tnp, LK_SHARED,
 	    dvp);
 	if (error != 0)
 		return (error);
 	error = tmpfs_vptocnp_dir(tn, tnp, &de);
 	if (error == 0) {
 		i = *buflen;
 		i -= de->td_namelen;
 		if (i < 0) {
 			error = ENOMEM;
 		} else {
 			bcopy(de->ud.td_name, buf + i, de->td_namelen);
 			*buflen = i;
 		}
 	}
 	if (error == 0) {
 		if (vp != *dvp)
 			VOP_UNLOCK(*dvp);
 	} else {
 		if (vp != *dvp)
 			vput(*dvp);
 		else
 			vrele(vp);
 	}
 	return (error);
 }
 
 static int
 tmpfs_vptocnp(struct vop_vptocnp_args *ap)
 {
 	struct vnode *vp, **dvp;
 	struct tmpfs_node *tn, *tnp, *tnp1;
 	struct tmpfs_dirent *de;
 	struct tmpfs_mount *tm;
 	char *buf;
 	size_t *buflen;
 	int error;
 
 	vp = ap->a_vp;
 	dvp = ap->a_vpp;
 	buf = ap->a_buf;
 	buflen = ap->a_buflen;
 
 	tm = VFS_TO_TMPFS(vp->v_mount);
 	tn = VP_TO_TMPFS_NODE(vp);
 	if (tn->tn_type == VDIR) {
 		tnp = tn->tn_dir.tn_parent;
 		if (tnp == NULL)
 			return (ENOENT);
 		tmpfs_ref_node(tnp);
 		error = tmpfs_vptocnp_fill(vp, tn, tn->tn_dir.tn_parent, buf,
 		    buflen, dvp);
 		tmpfs_free_node(tm, tnp);
 		return (error);
 	}
 restart:
 	TMPFS_LOCK(tm);
 restart_locked:
 	LIST_FOREACH_SAFE(tnp, &tm->tm_nodes_used, tn_entries, tnp1) {
 		if (tnp->tn_type != VDIR)
 			continue;
 		TMPFS_NODE_LOCK(tnp);
 		tmpfs_ref_node(tnp);
 
 		/*
 		 * tn_vnode cannot be instantiated while we hold the
 		 * node lock, so the directory cannot be changed while
 		 * we iterate over it.  Do this to avoid instantiating
 		 * vnode for directories which cannot point to our
 		 * node.
 		 */
 		error = tnp->tn_vnode == NULL ? tmpfs_vptocnp_dir(tn, tnp,
 		    &de) : 0;
 
 		if (error == 0) {
 			TMPFS_NODE_UNLOCK(tnp);
 			TMPFS_UNLOCK(tm);
 			error = tmpfs_vptocnp_fill(vp, tn, tnp, buf, buflen,
 			    dvp);
 			if (error == 0) {
 				tmpfs_free_node(tm, tnp);
 				return (0);
 			}
 			if (VN_IS_DOOMED(vp)) {
 				tmpfs_free_node(tm, tnp);
 				return (ENOENT);
 			}
 			TMPFS_LOCK(tm);
 			TMPFS_NODE_LOCK(tnp);
 		}
 		if (tmpfs_free_node_locked(tm, tnp, false)) {
 			goto restart;
 		} else {
 			KASSERT(tnp->tn_refcount > 0,
 			    ("node %p refcount zero", tnp));
 			if (tnp->tn_attached) {
 				tnp1 = LIST_NEXT(tnp, tn_entries);
 				TMPFS_NODE_UNLOCK(tnp);
 			} else {
 				TMPFS_NODE_UNLOCK(tnp);
 				goto restart_locked;
 			}
 		}
 	}
 	TMPFS_UNLOCK(tm);
 	return (ENOENT);
 }
 
 void
 tmpfs_extattr_free(struct tmpfs_extattr *ea)
 {
 	free(ea->ea_name, M_TMPFSEA);
 	free(ea->ea_value, M_TMPFSEA);
 	free(ea, M_TMPFSEA);
 }
 
 static bool
 tmpfs_extattr_update_mem(struct tmpfs_mount *tmp, ssize_t size)
 {
 	TMPFS_LOCK(tmp);
 	if (size > 0 &&
 	    !tmpfs_pages_check_avail(tmp, howmany(size, PAGE_SIZE))) {
 		TMPFS_UNLOCK(tmp);
 		return (false);
 	}
 	if (tmp->tm_ea_memory_inuse + size > tmp->tm_ea_memory_max) {
 		TMPFS_UNLOCK(tmp);
 		return (false);
 	}
 	tmp->tm_ea_memory_inuse += size;
 	TMPFS_UNLOCK(tmp);
 	return (true);
 }
 
 static int
 tmpfs_deleteextattr(struct vop_deleteextattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct tmpfs_mount *tmp;
 	struct tmpfs_node *node;
 	struct tmpfs_extattr *ea;
 	size_t namelen;
 	ssize_t diff;
 	int error;
 
 	node = VP_TO_TMPFS_NODE(vp);
 	tmp = VFS_TO_TMPFS(vp->v_mount);
 	if (VN_ISDEV(ap->a_vp))
 		return (EOPNOTSUPP);
 	error = extattr_check_cred(ap->a_vp, ap->a_attrnamespace,
 	    ap->a_cred, ap->a_td, VWRITE);
 	if (error != 0)
 		return (error);
 	if (ap->a_name == NULL || ap->a_name[0] == '\0')
 		return (EINVAL);
 	namelen = strlen(ap->a_name);
 	if (namelen > EXTATTR_MAXNAMELEN)
 		return (EINVAL);
 
 	LIST_FOREACH(ea, &node->tn_extattrs, ea_extattrs) {
 		if (ea->ea_namespace == ap->a_attrnamespace &&
 		    namelen == ea->ea_namelen &&
 		    memcmp(ap->a_name, ea->ea_name, namelen) == 0)
 			break;
 	}
 
 	if (ea == NULL)
 		return (ENOATTR);
 	LIST_REMOVE(ea, ea_extattrs);
 	diff = -(sizeof(struct tmpfs_extattr) + namelen + ea->ea_size);
 	tmpfs_extattr_update_mem(tmp, diff);
 	tmpfs_extattr_free(ea);
 	return (0);
 }
 
 static int
 tmpfs_getextattr(struct vop_getextattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct tmpfs_node *node;
 	struct tmpfs_extattr *ea;
 	size_t namelen;
 	int error;
 
 	node = VP_TO_TMPFS_NODE(vp);
 	if (VN_ISDEV(ap->a_vp))
 		return (EOPNOTSUPP);
 	error = extattr_check_cred(ap->a_vp, ap->a_attrnamespace,
 	    ap->a_cred, ap->a_td, VREAD);
 	if (error != 0)
 		return (error);
 	if (ap->a_name == NULL || ap->a_name[0] == '\0')
 		return (EINVAL);
 	namelen = strlen(ap->a_name);
 	if (namelen > EXTATTR_MAXNAMELEN)
 		return (EINVAL);
 
 	LIST_FOREACH(ea, &node->tn_extattrs, ea_extattrs) {
 		if (ea->ea_namespace == ap->a_attrnamespace &&
 		    namelen == ea->ea_namelen &&
 		    memcmp(ap->a_name, ea->ea_name, namelen) == 0)
 			break;
 	}
 
 	if (ea == NULL)
 		return (ENOATTR);
 	if (ap->a_size != NULL)
 		*ap->a_size = ea->ea_size;
 	if (ap->a_uio != NULL && ea->ea_size != 0)
 		error = uiomove(ea->ea_value, ea->ea_size, ap->a_uio);
 	return (error);
 }
 
 static int
 tmpfs_listextattr(struct vop_listextattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct tmpfs_node *node;
 	struct tmpfs_extattr *ea;
 	int error;
 
 	node = VP_TO_TMPFS_NODE(vp);
 	if (VN_ISDEV(ap->a_vp))
 		return (EOPNOTSUPP);
 	error = extattr_check_cred(ap->a_vp, ap->a_attrnamespace,
 	    ap->a_cred, ap->a_td, VREAD);
 	if (error != 0)
 		return (error);
 	if (ap->a_size != NULL)
 		*ap->a_size = 0;
 
 	LIST_FOREACH(ea, &node->tn_extattrs, ea_extattrs) {
 		if (ea->ea_namespace != ap->a_attrnamespace)
 			continue;
 		if (ap->a_size != NULL)
 			*ap->a_size += ea->ea_namelen + 1;
 		if (ap->a_uio != NULL) {
 			error = uiomove(&ea->ea_namelen, 1, ap->a_uio);
 			if (error != 0)
 				break;
 			error = uiomove(ea->ea_name, ea->ea_namelen, ap->a_uio);
 			if (error != 0)
 				break;
 		}
 	}
 
 	return (error);
 }
 
 static int
 tmpfs_setextattr(struct vop_setextattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct tmpfs_mount *tmp;
 	struct tmpfs_node *node;
 	struct tmpfs_extattr *ea;
 	struct tmpfs_extattr *new_ea;
 	size_t attr_size;
 	size_t namelen;
 	ssize_t diff;
 	int error;
 
 	node = VP_TO_TMPFS_NODE(vp);
 	tmp = VFS_TO_TMPFS(vp->v_mount);
 	attr_size = ap->a_uio->uio_resid;
 	diff = 0;
 	if (VN_ISDEV(ap->a_vp))
 		return (EOPNOTSUPP);
 	error = extattr_check_cred(ap->a_vp, ap->a_attrnamespace,
 	    ap->a_cred, ap->a_td, VWRITE);
 	if (error != 0)
 		return (error);
 	if (ap->a_name == NULL || ap->a_name[0] == '\0')
 		return (EINVAL);
 	namelen = strlen(ap->a_name);
 	if (namelen > EXTATTR_MAXNAMELEN)
 		return (EINVAL);
 
 	LIST_FOREACH(ea, &node->tn_extattrs, ea_extattrs) {
 		if (ea->ea_namespace == ap->a_attrnamespace &&
 		    namelen == ea->ea_namelen &&
 		    memcmp(ap->a_name, ea->ea_name, namelen) == 0) {
 			diff -= sizeof(struct tmpfs_extattr) + ea->ea_namelen +
 			    ea->ea_size;
 			break;
 		}
 	}
 
 	diff += sizeof(struct tmpfs_extattr) + namelen + attr_size;
 	if (!tmpfs_extattr_update_mem(tmp, diff))
 		return (ENOSPC);
 	new_ea = malloc(sizeof(struct tmpfs_extattr), M_TMPFSEA, M_WAITOK);
 	new_ea->ea_namespace = ap->a_attrnamespace;
 	new_ea->ea_name = malloc(namelen, M_TMPFSEA, M_WAITOK);
 	new_ea->ea_namelen = namelen;
 	memcpy(new_ea->ea_name, ap->a_name, namelen);
 	if (attr_size != 0) {
 		new_ea->ea_value = malloc(attr_size, M_TMPFSEA, M_WAITOK);
 		new_ea->ea_size = attr_size;
 		error = uiomove(new_ea->ea_value, attr_size, ap->a_uio);
 	} else {
 		new_ea->ea_value = NULL;
 		new_ea->ea_size = 0;
 	}
 	if (error != 0) {
 		tmpfs_extattr_update_mem(tmp, -diff);
 		tmpfs_extattr_free(new_ea);
 		return (error);
 	}
 	if (ea != NULL) {
 		LIST_REMOVE(ea, ea_extattrs);
 		tmpfs_extattr_free(ea);
 	}
 	LIST_INSERT_HEAD(&node->tn_extattrs, new_ea, ea_extattrs);
 	return (0);
 }
 
 static off_t
 tmpfs_seek_data_locked(vm_object_t obj, off_t noff)
 {
 	vm_pindex_t p;
 
 	p = swap_pager_seek_data(obj, OFF_TO_IDX(noff));
 	return (p == OFF_TO_IDX(noff) ? noff : IDX_TO_OFF(p));
 }
 
 static int
 tmpfs_seek_clamp(struct tmpfs_node *tn, off_t *noff, bool seekdata)
 {
 	if (*noff < tn->tn_size)
 		return (0);
 	if (seekdata)
 		return (ENXIO);
 	*noff = tn->tn_size;
 	return (0);
 }
 
 static off_t
 tmpfs_seek_hole_locked(vm_object_t obj, off_t noff)
 {
 
 	return (IDX_TO_OFF(swap_pager_seek_hole(obj, OFF_TO_IDX(noff))));
 }
 
 static int
 tmpfs_seek_datahole(struct vnode *vp, off_t *off, bool seekdata)
 {
 	struct tmpfs_node *tn;
 	vm_object_t obj;
 	off_t noff;
 	int error;
 
 	if (vp->v_type != VREG)
 		return (ENOTTY);
 	tn = VP_TO_TMPFS_NODE(vp);
 	noff = *off;
 	if (noff < 0)
 		return (ENXIO);
 	error = tmpfs_seek_clamp(tn, &noff, seekdata);
 	if (error != 0)
 		return (error);
 	obj = tn->tn_reg.tn_aobj;
 
 	VM_OBJECT_RLOCK(obj);
 	noff = seekdata ? tmpfs_seek_data_locked(obj, noff) :
 	    tmpfs_seek_hole_locked(obj, noff);
 	VM_OBJECT_RUNLOCK(obj);
 
 	error = tmpfs_seek_clamp(tn, &noff, seekdata);
 	if (error == 0)
 		*off = noff;
 	return (error);
 }
 
 static int
 tmpfs_ioctl(struct vop_ioctl_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	int error = 0;
 
 	switch (ap->a_command) {
 	case FIOSEEKDATA:
 	case FIOSEEKHOLE:
 		error = vn_lock(vp, LK_SHARED);
 		if (error != 0) {
 			error = EBADF;
 			break;
 		}
 		error = tmpfs_seek_datahole(vp, (off_t *)ap->a_data,
 		    ap->a_command == FIOSEEKDATA);
 		VOP_UNLOCK(vp);
 		break;
 	default:
 		error = ENOTTY;
 		break;
 	}
 	return (error);
 }
 
 /*
  * Vnode operations vector used for files stored in a tmpfs file system.
  */
 struct vop_vector tmpfs_vnodeop_entries = {
 	.vop_default =			&default_vnodeops,
 	.vop_lookup =			vfs_cache_lookup,
 	.vop_cachedlookup =		tmpfs_cached_lookup,
 	.vop_create =			tmpfs_create,
 	.vop_mknod =			tmpfs_mknod,
 	.vop_open =			tmpfs_open,
 	.vop_close =			tmpfs_close,
 	.vop_fplookup_vexec =		tmpfs_fplookup_vexec,
 	.vop_fplookup_symlink =		tmpfs_fplookup_symlink,
 	.vop_access =			tmpfs_access,
 	.vop_stat =			tmpfs_stat,
 	.vop_getattr =			tmpfs_getattr,
 	.vop_setattr =			tmpfs_setattr,
 	.vop_read =			tmpfs_read,
 	.vop_read_pgcache =		tmpfs_read_pgcache,
 	.vop_write =			tmpfs_write,
 	.vop_deallocate =		tmpfs_deallocate,
 	.vop_fsync =			tmpfs_fsync,
 	.vop_remove =			tmpfs_remove,
 	.vop_link =			tmpfs_link,
 	.vop_rename =			tmpfs_rename,
 	.vop_mkdir =			tmpfs_mkdir,
 	.vop_rmdir =			tmpfs_rmdir,
 	.vop_symlink =			tmpfs_symlink,
 	.vop_readdir =			tmpfs_readdir,
 	.vop_readlink =			tmpfs_readlink,
 	.vop_inactive =			tmpfs_inactive,
 	.vop_need_inactive =		tmpfs_need_inactive,
 	.vop_reclaim =			tmpfs_reclaim,
 	.vop_print =			tmpfs_print,
 	.vop_pathconf =			tmpfs_pathconf,
 	.vop_vptofh =			tmpfs_vptofh,
 	.vop_whiteout =			tmpfs_whiteout,
 	.vop_bmap =			VOP_EOPNOTSUPP,
 	.vop_vptocnp =			tmpfs_vptocnp,
 	.vop_lock1 =			vop_lock,
 	.vop_unlock = 			vop_unlock,
 	.vop_islocked = 		vop_islocked,
 	.vop_deleteextattr =		tmpfs_deleteextattr,
 	.vop_getextattr =		tmpfs_getextattr,
 	.vop_listextattr =		tmpfs_listextattr,
 	.vop_setextattr =		tmpfs_setextattr,
 	.vop_add_writecount =		vop_stdadd_writecount_nomsync,
 	.vop_ioctl =			tmpfs_ioctl,
 };
 VFS_VOP_VECTOR_REGISTER(tmpfs_vnodeop_entries);
 
 /*
  * Same vector for mounts which do not use namecache.
  */
 struct vop_vector tmpfs_vnodeop_nonc_entries = {
 	.vop_default =			&tmpfs_vnodeop_entries,
 	.vop_lookup =			tmpfs_lookup,
 };
 VFS_VOP_VECTOR_REGISTER(tmpfs_vnodeop_nonc_entries);
diff --git a/sys/fs/udf/udf_vnops.c b/sys/fs/udf/udf_vnops.c
index 37889241e8c3..ec61618b6e18 100644
--- a/sys/fs/udf/udf_vnops.c
+++ b/sys/fs/udf/udf_vnops.c
@@ -1,1508 +1,1508 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause
  *
  * Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 /* udf_vnops.c */
 /* Take care of the vnode side of things */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/namei.h>
 #include <sys/kernel.h>
 #include <sys/malloc.h>
 #include <sys/stat.h>
 #include <sys/bio.h>
 #include <sys/conf.h>
 #include <sys/buf.h>
 #include <sys/iconv.h>
 #include <sys/limits.h>
 #include <sys/mount.h>
 #include <sys/vnode.h>
 #include <sys/dirent.h>
 #include <sys/queue.h>
 #include <sys/unistd.h>
 #include <sys/endian.h>
 
 #include <vm/uma.h>
 
 #include <fs/udf/ecma167-udf.h>
 #include <fs/udf/osta.h>
 #include <fs/udf/udf.h>
 #include <fs/udf/udf_mount.h>
 
 extern struct iconv_functions *udf_iconv;
 
 static vop_access_t	udf_access;
 static vop_getattr_t	udf_getattr;
 static vop_open_t	udf_open;
 static vop_ioctl_t	udf_ioctl;
 static vop_pathconf_t	udf_pathconf;
 static vop_print_t	udf_print;
 static vop_read_t	udf_read;
 static vop_readdir_t	udf_readdir;
 static vop_readlink_t	udf_readlink;
 static vop_setattr_t	udf_setattr;
 static vop_strategy_t	udf_strategy;
 static vop_bmap_t	udf_bmap;
 static vop_cachedlookup_t	udf_lookup;
 static vop_reclaim_t	udf_reclaim;
 static vop_vptofh_t	udf_vptofh;
 static int udf_readatoffset(struct udf_node *node, int *size, off_t offset,
     struct buf **bp, uint8_t **data);
 static int udf_bmap_internal(struct udf_node *node, off_t offset,
     daddr_t *sector, uint32_t *max_size);
 
 static struct vop_vector udf_vnodeops = {
 	.vop_default =		&default_vnodeops,
 
 	.vop_access =		udf_access,
 	.vop_bmap =		udf_bmap,
 	.vop_cachedlookup =	udf_lookup,
 	.vop_getattr =		udf_getattr,
 	.vop_ioctl =		udf_ioctl,
 	.vop_lookup =		vfs_cache_lookup,
 	.vop_open =		udf_open,
 	.vop_pathconf =		udf_pathconf,
 	.vop_print =		udf_print,
 	.vop_read =		udf_read,
 	.vop_readdir =		udf_readdir,
 	.vop_readlink =		udf_readlink,
 	.vop_reclaim =		udf_reclaim,
 	.vop_setattr =		udf_setattr,
 	.vop_strategy =		udf_strategy,
 	.vop_vptofh =		udf_vptofh,
 };
 VFS_VOP_VECTOR_REGISTER(udf_vnodeops);
 
 struct vop_vector udf_fifoops = {
 	.vop_default =		&fifo_specops,
 	.vop_access =		udf_access,
 	.vop_getattr =		udf_getattr,
 	.vop_pathconf =		udf_pathconf,
 	.vop_print =		udf_print,
 	.vop_reclaim =		udf_reclaim,
 	.vop_setattr =		udf_setattr,
 	.vop_vptofh =		udf_vptofh,
 };
 VFS_VOP_VECTOR_REGISTER(udf_fifoops);
 
 static MALLOC_DEFINE(M_UDFFID, "udf_fid", "UDF FileId structure");
 static MALLOC_DEFINE(M_UDFDS, "udf_ds", "UDF Dirstream structure");
 
 #define UDF_INVALID_BMAP	-1
 
 int
 udf_allocv(struct mount *mp, struct vnode **vpp, struct thread *td)
 {
 	int error;
 	struct vnode *vp;
 
 	error = getnewvnode("udf", mp, &udf_vnodeops, &vp);
 	if (error) {
 		printf("udf_allocv: failed to allocate new vnode\n");
 		return (error);
 	}
 
 	*vpp = vp;
 	return (0);
 }
 
 /* Convert file entry permission (5 bits per owner/group/user) to a mode_t */
 static mode_t
 udf_permtomode(struct udf_node *node)
 {
 	uint32_t perm;
 	uint16_t flags;
 	mode_t mode;
 
 	perm = le32toh(node->fentry->perm);
 	flags = le16toh(node->fentry->icbtag.flags);
 
 	mode = perm & UDF_FENTRY_PERM_USER_MASK;
 	mode |= ((perm & UDF_FENTRY_PERM_GRP_MASK) >> 2);
 	mode |= ((perm & UDF_FENTRY_PERM_OWNER_MASK) >> 4);
 	mode |= ((flags & UDF_ICB_TAG_FLAGS_STICKY) << 4);
 	mode |= ((flags & UDF_ICB_TAG_FLAGS_SETGID) << 6);
 	mode |= ((flags & UDF_ICB_TAG_FLAGS_SETUID) << 8);
 
 	return (mode);
 }
 
 static int
 udf_access(struct vop_access_args *a)
 {
 	struct vnode *vp;
 	struct udf_node *node;
 	accmode_t accmode;
 	mode_t mode;
 
 	vp = a->a_vp;
 	node = VTON(vp);
 	accmode = a->a_accmode;
 
 	if (accmode & VWRITE) {
 		switch (vp->v_type) {
 		case VDIR:
 		case VLNK:
 		case VREG:
 			return (EROFS);
 			/* NOT REACHED */
 		default:
 			break;
 		}
 	}
 
 	mode = udf_permtomode(node);
 
 	return (vaccess(vp->v_type, mode, node->fentry->uid, node->fentry->gid,
 	    accmode, a->a_cred));
 }
 
 static int
 udf_open(struct vop_open_args *ap)
 {
 	struct udf_node *np = VTON(ap->a_vp);
 	uint64_t fsize;
 
 	fsize = le64toh(np->fentry->inf_len);
 	if (fsize > OFF_MAX)
 		return (EIO);
 	vnode_create_vobject(ap->a_vp, fsize, ap->a_td);
 	return 0;
 }
 
 static const int mon_lens[2][12] = {
 	{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334},
 	{0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335}
 };
 
 static int
 udf_isaleapyear(int year)
 {
 	int i;
 
 	i = (year % 4) ? 0 : 1;
 	i &= (year % 100) ? 1 : 0;
 	i |= (year % 400) ? 0 : 1;
 
 	return i;
 }
 
 /*
  * Timezone calculation compliments of Julian Elischer <julian@elischer.org>.
  */
 static void
 udf_timetotimespec(struct timestamp *time, struct timespec *t)
 {
 	int i, lpyear, daysinyear, year, startyear;
 	union {
 		uint16_t	u_tz_offset;
 		int16_t		s_tz_offset;
 	} tz;
 
 	/*
 	 * DirectCD seems to like using bogus year values.
 	 * Don't trust time->month as it will be used for an array index.
 	 */
 	year = le16toh(time->year);
 	if (year < 1970 || time->month < 1 || time->month > 12) {
 		t->tv_sec = 0;
 		t->tv_nsec = 0;
 		return;
 	}
 
 	/* Calculate the time and day */
 	t->tv_sec = time->second;
 	t->tv_sec += time->minute * 60;
 	t->tv_sec += time->hour * 3600;
 	t->tv_sec += (time->day - 1) * 3600 * 24;
 
 	/* Calculate the month */
 	lpyear = udf_isaleapyear(year);
 	t->tv_sec += mon_lens[lpyear][time->month - 1] * 3600 * 24;
 
 	/* Speed up the calculation */
 	startyear = 1970;
 	if (year > 2009) {
 		t->tv_sec += 1262304000;
 		startyear += 40;
 	} else if (year > 1999) {
 		t->tv_sec += 946684800;
 		startyear += 30;
 	} else if (year > 1989) {
 		t->tv_sec += 631152000;
 		startyear += 20;
 	} else if (year > 1979) {
 		t->tv_sec += 315532800;
 		startyear += 10;
 	}
 
 	daysinyear = (year - startyear) * 365;
 	for (i = startyear; i < year; i++)
 		daysinyear += udf_isaleapyear(i);
 	t->tv_sec += daysinyear * 3600 * 24;
 
 	/* Calculate microseconds */
 	t->tv_nsec = time->centisec * 10000 + time->hund_usec * 100 +
 	    time->usec;
 
 	/*
 	 * Calculate the time zone.  The timezone is 12 bit signed 2's
 	 * complement, so we gotta do some extra magic to handle it right.
 	 */
 	tz.u_tz_offset = le16toh(time->type_tz);
 	tz.u_tz_offset &= 0x0fff;
 	if (tz.u_tz_offset & 0x0800)
 		tz.u_tz_offset |= 0xf000;	/* extend the sign to 16 bits */
 	if ((le16toh(time->type_tz) & 0x1000) && (tz.s_tz_offset != -2047))
 		t->tv_sec -= tz.s_tz_offset * 60;
 
 	return;
 }
 
 static int
 udf_getattr(struct vop_getattr_args *a)
 {
 	struct vnode *vp;
 	struct udf_node *node;
 	struct vattr *vap;
 	struct file_entry *fentry;
 
 	vp = a->a_vp;
 	vap = a->a_vap;
 	node = VTON(vp);
 	fentry = node->fentry;
 
 	vap->va_fsid = dev2udev(node->udfmp->im_dev);
 	vap->va_fileid = node->hash_id;
 	vap->va_mode = udf_permtomode(node);
 	vap->va_nlink = le16toh(fentry->link_cnt);
 	/*
 	 * XXX The spec says that -1 is valid for uid/gid and indicates an
 	 * invalid uid/gid.  How should this be represented?
 	 */
 	vap->va_uid = (le32toh(fentry->uid) == -1) ? 0 : le32toh(fentry->uid);
 	vap->va_gid = (le32toh(fentry->gid) == -1) ? 0 : le32toh(fentry->gid);
 	udf_timetotimespec(&fentry->atime, &vap->va_atime);
 	udf_timetotimespec(&fentry->mtime, &vap->va_mtime);
 	vap->va_ctime = vap->va_mtime; /* XXX Stored as an Extended Attribute */
 	vap->va_rdev = NODEV;
 	if (vp->v_type & VDIR) {
 		/*
 		 * Directories that are recorded within their ICB will show
 		 * as having 0 blocks recorded.  Since tradition dictates
 		 * that directories consume at least one logical block,
 		 * make it appear so.
 		 */
 		vap->va_size = le64toh(fentry->logblks_rec);
 		if (vap->va_size == 0)
 			vap->va_size = node->udfmp->bsize;
 		else if (vap->va_size > UINT64_MAX / node->udfmp->bsize)
 			vap->va_size = UINT64_MAX;
 		else
 			vap->va_size *= node->udfmp->bsize;
 	} else {
 		vap->va_size = le64toh(fentry->inf_len);
 	}
 	vap->va_flags = 0;
 	vap->va_gen = 1;
 	vap->va_blocksize = node->udfmp->bsize;
 	vap->va_bytes = le64toh(fentry->inf_len);
 	vap->va_type = vp->v_type;
 	vap->va_filerev = 0; /* XXX */
 	return (0);
 }
 
 static int
 udf_setattr(struct vop_setattr_args *a)
 {
 	struct vnode *vp;
 	struct vattr *vap;
 
 	vp = a->a_vp;
 	vap = a->a_vap;
 	if (vap->va_flags != (u_long)VNOVAL || vap->va_uid != (uid_t)VNOVAL ||
 	    vap->va_gid != (gid_t)VNOVAL || vap->va_atime.tv_sec != VNOVAL ||
 	    vap->va_mtime.tv_sec != VNOVAL || vap->va_mode != (mode_t)VNOVAL)
 		return (EROFS);
 	if (vap->va_size != (u_quad_t)VNOVAL) {
 		switch (vp->v_type) {
 		case VDIR:
 			return (EISDIR);
 		case VLNK:
 		case VREG:
 			return (EROFS);
 		case VCHR:
 		case VBLK:
 		case VSOCK:
 		case VFIFO:
 		case VNON:
 		case VBAD:
 		case VMARKER:
 			return (0);
 		}
 	}
 	return (0);
 }
 
 /*
  * File specific ioctls.
  */
 static int
 udf_ioctl(struct vop_ioctl_args *a)
 {
 	printf("%s called\n", __func__);
 	return (ENOTTY);
 }
 
 /*
  * I'm not sure that this has much value in a read-only filesystem, but
  * cd9660 has it too.
  */
 static int
 udf_pathconf(struct vop_pathconf_args *a)
 {
 
 	switch (a->a_name) {
 	case _PC_FILESIZEBITS:
 		*a->a_retval = 64;
 		return (0);
 	case _PC_LINK_MAX:
 		*a->a_retval = 65535;
 		return (0);
 	case _PC_NAME_MAX:
 		*a->a_retval = NAME_MAX;
 		return (0);
 	case _PC_SYMLINK_MAX:
 		*a->a_retval = MAXPATHLEN;
 		return (0);
 	case _PC_NO_TRUNC:
 		*a->a_retval = 1;
 		return (0);
 	case _PC_PIPE_BUF:
 		if (a->a_vp->v_type == VDIR || a->a_vp->v_type == VFIFO) {
 			*a->a_retval = PIPE_BUF;
 			return (0);
 		}
 		return (EINVAL);
 	default:
 		return (vop_stdpathconf(a));
 	}
 }
 
 static int
 udf_print(struct vop_print_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct udf_node *node = VTON(vp);
 
 	printf("    ino %lu, on dev %s", (u_long)node->hash_id,
 	    devtoname(node->udfmp->im_dev));
 	if (vp->v_type == VFIFO)
 		fifo_printinfo(vp);
 	printf("\n");
 	return (0);
 }
 
 #define lblkno(udfmp, loc)	((loc) >> (udfmp)->bshift)
 #define blkoff(udfmp, loc)	((loc) & (udfmp)->bmask)
 #define lblktosize(udfmp, blk)	((blk) << (udfmp)->bshift)
 
 static inline int
 is_data_in_fentry(const struct udf_node *node)
 {
 	const struct file_entry *fentry = node->fentry;
 
 	return ((le16toh(fentry->icbtag.flags) & 0x7) == 3);
 }
 
 static int
 udf_read(struct vop_read_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct uio *uio = ap->a_uio;
 	struct udf_node *node = VTON(vp);
 	struct udf_mnt *udfmp;
 	struct file_entry *fentry;
 	struct buf *bp;
 	uint8_t *data;
 	daddr_t lbn, rablock;
 	uint64_t len;
 	off_t diff, fsize;
 	ssize_t n;
 	int error = 0;
 	long size, on;
 
 	if (uio->uio_resid == 0)
 		return (0);
 	if (uio->uio_offset < 0)
 		return (EINVAL);
 
 	if (is_data_in_fentry(node)) {
 		fentry = node->fentry;
 		data = &fentry->data[le32toh(fentry->l_ea)];
 		fsize = le32toh(fentry->l_ad);
 
 		n = uio->uio_resid;
 		diff = fsize - uio->uio_offset;
 		if (diff <= 0)
 			return (0);
 		if (diff < n)
 			n = diff;
 		error = uiomove(data + uio->uio_offset, (int)n, uio);
 		return (error);
 	}
 
 	len = le64toh(node->fentry->inf_len);
 	if (len > OFF_MAX) {
 		/* too big, just cap to the requested length */
 		len = uio->uio_resid;
 	}
 	fsize = len;
 	udfmp = node->udfmp;
 	do {
 		lbn = lblkno(udfmp, uio->uio_offset);
 		on = blkoff(udfmp, uio->uio_offset);
 		n = min((u_int)(udfmp->bsize - on),
 			uio->uio_resid);
 		diff = fsize - uio->uio_offset;
 		if (diff <= 0)
 			return (0);
 		if (diff < n)
 			n = diff;
 		size = udfmp->bsize;
 		rablock = lbn + 1;
 		if ((vp->v_mount->mnt_flag & MNT_NOCLUSTERR) == 0) {
 			if (lblktosize(udfmp, rablock) < fsize) {
 				error = cluster_read(vp, fsize, lbn, size,
 				    NOCRED, uio->uio_resid,
 				    (ap->a_ioflag >> 16), 0, &bp);
 			} else {
 				error = bread(vp, lbn, size, NOCRED, &bp);
 			}
 		} else {
 			error = bread(vp, lbn, size, NOCRED, &bp);
 		}
 		if (error != 0) {
 			brelse(bp);
 			return (error);
 		}
 		n = min(n, size - bp->b_resid);
 
 		error = uiomove(bp->b_data + on, (int)n, uio);
 		brelse(bp);
 	} while (error == 0 && uio->uio_resid > 0 && n != 0);
 	return (error);
 }
 
 /*
  * Call the OSTA routines to translate the name from a CS0 dstring to a
  * 16-bit Unicode String.  Hooks need to be placed in here to translate from
  * Unicode to the encoding that the kernel/user expects.  Return the length
  * of the translated string.
  */
 static int
 udf_transname(char *cs0string, char *destname, int len, struct udf_mnt *udfmp)
 {
 	unicode_t *transname;
 	char *unibuf, *unip;
 	int i, destlen;
 	ssize_t unilen = 0;
 	size_t destleft = MAXNAMLEN;
 
 	/* Convert 16-bit Unicode to destname */
 	if (udfmp->im_flags & UDFMNT_KICONV && udf_iconv) {
 		/* allocate a buffer big enough to hold an 8->16 bit expansion */
 		unibuf = uma_zalloc(udf_zone_trans, M_WAITOK);
 		unip = unibuf;
 		if ((unilen = (ssize_t)udf_UncompressUnicodeByte(len, cs0string, unibuf)) == -1) {
 			printf("udf: Unicode translation failed\n");
 			uma_zfree(udf_zone_trans, unibuf);
 			return 0;
 		}
 
 		while (unilen > 0 && destleft > 0) {
 			udf_iconv->conv(udfmp->im_d2l, __DECONST(const char **,
 			    &unibuf), (size_t *)&unilen, (char **)&destname,
 			    &destleft);
 			/* Unconverted character found */
 			if (unilen > 0 && destleft > 0) {
 				*destname++ = '?';
 				destleft--;
 				unibuf += 2;
 				unilen -= 2;
 			}
 		}
 		uma_zfree(udf_zone_trans, unip);
 		*destname = '\0';
 		destlen = MAXNAMLEN - (int)destleft;
 	} else {
 		/* allocate a buffer big enough to hold an 8->16 bit expansion */
 		transname = uma_zalloc(udf_zone_trans, M_WAITOK);
 
 		if ((unilen = (ssize_t)udf_UncompressUnicode(len, cs0string, transname)) == -1) {
 			printf("udf: Unicode translation failed\n");
 			uma_zfree(udf_zone_trans, transname);
 			return 0;
 		}
 
 		for (i = 0; i < unilen ; i++) {
 			if (transname[i] & 0xff00) {
 				destname[i] = '.';	/* Fudge the 16bit chars */
 			} else {
 				destname[i] = transname[i] & 0xff;
 			}
 		}
 		uma_zfree(udf_zone_trans, transname);
 		destname[unilen] = 0;
 		destlen = (int)unilen;
 	}
 
 	return (destlen);
 }
 
 /*
  * Compare a CS0 dstring with a name passed in from the VFS layer.  Return
  * 0 on a successful match, nonzero otherwise.  Unicode work may need to be done
  * here also.
  */
 static int
 udf_cmpname(char *cs0string, char *cmpname, int cs0len, int cmplen, struct udf_mnt *udfmp)
 {
 	char *transname;
 	int error = 0;
 
 	/* This is overkill, but not worth creating a new zone */
 	transname = uma_zalloc(udf_zone_trans, M_WAITOK);
 
 	cs0len = udf_transname(cs0string, transname, cs0len, udfmp);
 
 	/* Easy check.  If they aren't the same length, they aren't equal */
 	if ((cs0len == 0) || (cs0len != cmplen))
 		error = -1;
 	else
 		error = bcmp(transname, cmpname, cmplen);
 
 	uma_zfree(udf_zone_trans, transname);
 	return (error);
 }
 
 struct udf_uiodir {
 	struct dirent *dirent;
 	uint64_t *cookies;
 	int ncookies;
 	int acookies;
 	int eofflag;
 };
 
 static int
 udf_uiodir(struct udf_uiodir *uiodir, int de_size, struct uio *uio, long cookie)
 {
 	if (uiodir->cookies != NULL) {
 		if (++uiodir->acookies > uiodir->ncookies) {
 			uiodir->eofflag = 0;
 			return (-1);
 		}
 		*uiodir->cookies++ = cookie;
 	}
 
 	if (uio->uio_resid < de_size) {
 		uiodir->eofflag = 0;
 		return (-1);
 	}
 
 	return (uiomove(uiodir->dirent, de_size, uio));
 }
 
 static struct udf_dirstream *
 udf_opendir(struct udf_node *node, int offset, int fsize, struct udf_mnt *udfmp)
 {
 	struct udf_dirstream *ds;
 
 	ds = uma_zalloc(udf_zone_ds, M_WAITOK | M_ZERO);
 
 	ds->node = node;
 	ds->offset = offset;
 	ds->udfmp = udfmp;
 	ds->fsize = fsize;
 
 	return (ds);
 }
 
 static struct fileid_desc *
 udf_getfid(struct udf_dirstream *ds)
 {
 	struct fileid_desc *fid;
 	int error, frag_size = 0, total_fid_size;
 
 	/* End of directory? */
 	if (ds->offset + ds->off >= ds->fsize) {
 		ds->error = 0;
 		return (NULL);
 	}
 
 	/* Grab the first extent of the directory */
 	if (ds->off == 0) {
 		ds->size = 0;
 		error = udf_readatoffset(ds->node, &ds->size, ds->offset,
 		    &ds->bp, &ds->data);
 		if (error) {
 			ds->error = error;
 			if (ds->bp != NULL)
 				brelse(ds->bp);
 			return (NULL);
 		}
 	}
 
 	/*
 	 * Clean up from a previous fragmented FID.
 	 * XXX Is this the right place for this?
 	 */
 	if (ds->fid_fragment && ds->buf != NULL) {
 		ds->fid_fragment = 0;
 		free(ds->buf, M_UDFFID);
 	}
 
 	fid = (struct fileid_desc*)&ds->data[ds->off];
 
 	/*
 	 * Check to see if the fid is fragmented. The first test
 	 * ensures that we don't wander off the end of the buffer
 	 * looking for the l_iu and l_fi fields.
 	 */
 	if (ds->off + UDF_FID_SIZE > ds->size ||
 	    ds->off + le16toh(fid->l_iu) + fid->l_fi + UDF_FID_SIZE > ds->size){
 		/* Copy what we have of the fid into a buffer */
 		frag_size = ds->size - ds->off;
 		if (frag_size >= ds->udfmp->bsize) {
 			printf("udf: invalid FID fragment\n");
 			ds->error = EINVAL;
 			return (NULL);
 		}
 
 		/*
 		 * File ID descriptors can only be at most one
 		 * logical sector in size.
 		 */
 		ds->buf = malloc(ds->udfmp->bsize, M_UDFFID,
 		     M_WAITOK | M_ZERO);
 		bcopy(fid, ds->buf, frag_size);
 
 		/* Reduce all of the casting magic */
 		fid = (struct fileid_desc*)ds->buf;
 
 		if (ds->bp != NULL)
 			brelse(ds->bp);
 
 		/* Fetch the next allocation */
 		ds->offset += ds->size;
 		ds->size = 0;
 		error = udf_readatoffset(ds->node, &ds->size, ds->offset,
 		    &ds->bp, &ds->data);
 		if (error) {
 			ds->error = error;
 			return (NULL);
 		}
 
 		/*
 		 * If the fragment was so small that we didn't get
 		 * the l_iu and l_fi fields, copy those in.
 		 */
 		if (frag_size < UDF_FID_SIZE)
 			bcopy(ds->data, &ds->buf[frag_size],
 			    UDF_FID_SIZE - frag_size);
 
 		/*
 		 * Now that we have enough of the fid to work with,
 		 * copy in the rest of the fid from the new
 		 * allocation.
 		 */
 		total_fid_size = UDF_FID_SIZE + le16toh(fid->l_iu) + fid->l_fi;
 		if (total_fid_size > ds->udfmp->bsize) {
 			printf("udf: invalid FID\n");
 			ds->error = EIO;
 			return (NULL);
 		}
 		bcopy(ds->data, &ds->buf[frag_size],
 		    total_fid_size - frag_size);
 
 		ds->fid_fragment = 1;
 	} else {
 		total_fid_size = le16toh(fid->l_iu) + fid->l_fi + UDF_FID_SIZE;
 	}
 
 	/*
 	 * Update the offset. Align on a 4 byte boundary because the
 	 * UDF spec says so.
 	 */
 	ds->this_off = ds->offset + ds->off;
 	if (!ds->fid_fragment) {
 		ds->off += (total_fid_size + 3) & ~0x03;
 	} else {
 		ds->off = (total_fid_size - frag_size + 3) & ~0x03;
 	}
 
 	return (fid);
 }
 
 static void
 udf_closedir(struct udf_dirstream *ds)
 {
 
 	if (ds->bp != NULL)
 		brelse(ds->bp);
 
 	if (ds->fid_fragment && ds->buf != NULL)
 		free(ds->buf, M_UDFFID);
 
 	uma_zfree(udf_zone_ds, ds);
 }
 
 static int
 udf_readdir(struct vop_readdir_args *a)
 {
 	struct vnode *vp;
 	struct uio *uio;
 	struct dirent dir;
 	struct udf_node *node;
 	struct udf_mnt *udfmp;
 	struct fileid_desc *fid;
 	struct udf_uiodir uiodir;
 	struct udf_dirstream *ds;
 	uint64_t *cookies = NULL;
 	uint64_t len;
 	int ncookies;
 	int error = 0;
 
 	vp = a->a_vp;
 	uio = a->a_uio;
 	node = VTON(vp);
 	udfmp = node->udfmp;
 	uiodir.eofflag = 1;
 
 	if (a->a_ncookies != NULL) {
 		/*
 		 * Guess how many entries are needed.  If we run out, this
 		 * function will be called again and thing will pick up were
 		 * it left off.
 		 */
 		ncookies = uio->uio_resid / 8;
 		cookies = malloc(sizeof(*cookies) * ncookies, M_TEMP, M_WAITOK);
 		uiodir.ncookies = ncookies;
 		uiodir.cookies = cookies;
 		uiodir.acookies = 0;
 	} else {
 		uiodir.cookies = NULL;
 	}
 
 	/*
 	 * Iterate through the file id descriptors.  Give the parent dir
 	 * entry special attention.
 	 */
 	len = le64toh(node->fentry->inf_len);
 	if (len > INT_MAX) {
 		/* too big, just cap to INT_MAX */
 		len = INT_MAX;
 	}
 	ds = udf_opendir(node, uio->uio_offset, len, node->udfmp);
 
 	while ((fid = udf_getfid(ds)) != NULL) {
 		/* XXX Should we return an error on a bad fid? */
 		if (udf_checktag(&fid->tag, TAGID_FID)) {
 			printf("Invalid FID tag\n");
 			hexdump(fid, UDF_FID_SIZE, NULL, 0);
 			error = EIO;
 			break;
 		}
 
 		/* Is this a deleted file? */
 		if (fid->file_char & UDF_FILE_CHAR_DEL)
 			continue;
 
 		if ((fid->l_fi == 0) && (fid->file_char & UDF_FILE_CHAR_PAR)) {
 			/* Do up the '.' and '..' entries.  Dummy values are
 			 * used for the cookies since the offset here is
 			 * usually zero, and NFS doesn't like that value
 			 */
 			dir.d_fileno = node->hash_id;
 			dir.d_type = DT_DIR;
 			dir.d_name[0] = '.';
 			dir.d_namlen = 1;
 			dir.d_reclen = GENERIC_DIRSIZ(&dir);
 			dir.d_off = 1;
 			dirent_terminate(&dir);
 			uiodir.dirent = &dir;
 			error = udf_uiodir(&uiodir, dir.d_reclen, uio, 1);
 			if (error)
 				break;
 
 			dir.d_fileno = udf_getid(&fid->icb);
 			dir.d_type = DT_DIR;
 			dir.d_name[0] = '.';
 			dir.d_name[1] = '.';
 			dir.d_namlen = 2;
 			dir.d_reclen = GENERIC_DIRSIZ(&dir);
 			dir.d_off = 2;
 			dirent_terminate(&dir);
 			uiodir.dirent = &dir;
 			error = udf_uiodir(&uiodir, dir.d_reclen, uio, 2);
 		} else {
 			dir.d_namlen = udf_transname(&fid->data[fid->l_iu],
 			    &dir.d_name[0], fid->l_fi, udfmp);
 			dir.d_fileno = udf_getid(&fid->icb);
 			dir.d_type = (fid->file_char & UDF_FILE_CHAR_DIR) ?
 			    DT_DIR : DT_UNKNOWN;
 			dir.d_reclen = GENERIC_DIRSIZ(&dir);
 			dir.d_off = ds->this_off;
 			dirent_terminate(&dir);
 			uiodir.dirent = &dir;
 			error = udf_uiodir(&uiodir, dir.d_reclen, uio,
 			    ds->this_off);
 		}
 		if (error)
 			break;
 		uio->uio_offset = ds->offset + ds->off;
 	}
 
 	/* tell the calling layer whether we need to be called again */
 	*a->a_eofflag = uiodir.eofflag;
 
 	if (error < 0)
 		error = 0;
 	if (!error)
 		error = ds->error;
 
 	udf_closedir(ds);
 
 	if (a->a_ncookies != NULL) {
 		if (error)
 			free(cookies, M_TEMP);
 		else {
 			*a->a_ncookies = uiodir.acookies;
 			*a->a_cookies = cookies;
 		}
 	}
 
 	return (error);
 }
 
 static int
 udf_readlink(struct vop_readlink_args *ap)
 {
 	struct path_component *pc, *end;
 	struct vnode *vp;
 	struct uio uio;
 	struct iovec iov[1];
 	struct udf_node *node;
 	void *buf;
 	char *cp;
 	uint64_t len;
 	int error, root;
 
 	/*
 	 * A symbolic link in UDF is a list of variable-length path
 	 * component structures.  We build a pathname in the caller's
 	 * uio by traversing this list.
 	 */
 	vp = ap->a_vp;
 	node = VTON(vp);
 	len = le64toh(node->fentry->inf_len);
 	if (len > MAXPATHLEN)
 		return (EIO);
 	buf = malloc(len, M_DEVBUF, M_WAITOK);
 	iov[0].iov_len = len;
 	iov[0].iov_base = buf;
 	uio.uio_iov = iov;
 	uio.uio_iovcnt = 1;
 	uio.uio_offset = 0;
 	uio.uio_resid = iov[0].iov_len;
 	uio.uio_segflg = UIO_SYSSPACE;
 	uio.uio_rw = UIO_READ;
 	uio.uio_td = curthread;
 	error = VOP_READ(vp, &uio, 0, ap->a_cred);
 	if (error)
 		goto error;
 
 	pc = buf;
 	end = (void *)((char *)buf + len);
 	root = 0;
 	while (pc < end) {
 		switch (pc->type) {
 		case UDF_PATH_ROOT:
 			/* Only allow this at the beginning of a path. */
 			if ((void *)pc != buf) {
 				error = EINVAL;
 				goto error;
 			}
 			cp = "/";
 			len = 1;
 			root = 1;
 			break;
 		case UDF_PATH_DOT:
 			cp = ".";
 			len = 1;
 			break;
 		case UDF_PATH_DOTDOT:
 			cp = "..";
 			len = 2;
 			break;
 		case UDF_PATH_PATH:
 			if (pc->length == 0) {
 				error = EINVAL;
 				goto error;
 			}
 			/*
 			 * XXX: We only support CS8 which appears to map
 			 * to ASCII directly.
 			 */
 			switch (pc->identifier[0]) {
 			case 8:
 				cp = pc->identifier + 1;
 				len = pc->length - 1;
 				break;
 			default:
 				error = EOPNOTSUPP;
 				goto error;
 			}
 			break;
 		default:
 			error = EINVAL;
 			goto error;
 		}
 
 		/*
 		 * If this is not the first component, insert a path
 		 * separator.
 		 */
 		if (pc != buf) {
 			/* If we started with root we already have a "/". */
 			if (root)
 				goto skipslash;
 			root = 0;
 			if (ap->a_uio->uio_resid < 1) {
 				error = ENAMETOOLONG;
 				goto error;
 			}
 			error = uiomove("/", 1, ap->a_uio);
 			if (error)
 				break;
 		}
 	skipslash:
 
 		/* Append string at 'cp' of length 'len' to our path. */
 		if (len > ap->a_uio->uio_resid) {
 			error = ENAMETOOLONG;
 			goto error;
 		}
 		error = uiomove(cp, len, ap->a_uio);
 		if (error)
 			break;
 
 		/* Advance to next component. */
 		pc = (void *)((char *)pc + 4 + pc->length);
 	}
 error:
 	free(buf, M_DEVBUF);
 	return (error);
 }
 
 static int
 udf_strategy(struct vop_strategy_args *a)
 {
 	struct buf *bp;
 	struct vnode *vp;
 	struct udf_node *node;
 	struct bufobj *bo;
 	off_t offset;
 	uint32_t maxsize;
 	daddr_t sector;
 	int error;
 
 	bp = a->a_bp;
 	vp = a->a_vp;
 	node = VTON(vp);
 
 	if (bp->b_blkno == bp->b_lblkno) {
 		offset = lblktosize(node->udfmp, bp->b_lblkno);
 		error = udf_bmap_internal(node, offset, &sector, &maxsize);
 		if (error) {
 			clrbuf(bp);
 			bp->b_blkno = -1;
 			bufdone(bp);
 			return (0);
 		}
 		/* bmap gives sector numbers, bio works with device blocks */
 		bp->b_blkno = sector << (node->udfmp->bshift - DEV_BSHIFT);
 	}
 	bo = node->udfmp->im_bo;
 	bp->b_iooffset = dbtob(bp->b_blkno);
 	BO_STRATEGY(bo, bp);
 	return (0);
 }
 
 static int
 udf_bmap(struct vop_bmap_args *a)
 {
 	struct udf_node *node;
 	uint32_t max_size;
 	daddr_t lsector;
 	int nblk;
 	int error;
 
 	node = VTON(a->a_vp);
 
 	if (a->a_bop != NULL)
 		*a->a_bop = &node->udfmp->im_devvp->v_bufobj;
 	if (a->a_bnp == NULL)
 		return (0);
 	if (a->a_runb)
 		*a->a_runb = 0;
 
 	/*
 	 * UDF_INVALID_BMAP means data embedded into fentry, this is an internal
 	 * error that should not be propagated to calling code.
 	 * Most obvious mapping for this error is EOPNOTSUPP as we can not truly
 	 * translate block numbers in this case.
 	 * Incidentally, this return code will make vnode pager to use VOP_READ
 	 * to get data for mmap-ed pages and udf_read knows how to do the right
 	 * thing for this kind of files.
 	 */
 	error = udf_bmap_internal(node, a->a_bn << node->udfmp->bshift,
 	    &lsector, &max_size);
 	if (error == UDF_INVALID_BMAP)
 		return (EOPNOTSUPP);
 	if (error)
 		return (error);
 
 	/* Translate logical to physical sector number */
 	*a->a_bnp = lsector << (node->udfmp->bshift - DEV_BSHIFT);
 
 	/*
 	 * Determine maximum number of readahead blocks following the
 	 * requested block.
 	 */
 	if (a->a_runp) {
 		nblk = (max_size >> node->udfmp->bshift) - 1;
 		if (nblk <= 0)
 			*a->a_runp = 0;
 		else if (nblk >= (MAXBSIZE >> node->udfmp->bshift))
 			*a->a_runp = (MAXBSIZE >> node->udfmp->bshift) - 1;
 		else
 			*a->a_runp = nblk;
 	}
 
 	if (a->a_runb) {
 		*a->a_runb = 0;
 	}
 
 	return (0);
 }
 
 /*
  * The all powerful VOP_LOOKUP().
  */
 static int
 udf_lookup(struct vop_cachedlookup_args *a)
 {
 	struct vnode *dvp;
 	struct vnode *tdp = NULL;
 	struct vnode **vpp = a->a_vpp;
 	struct udf_node *node;
 	struct udf_mnt *udfmp;
 	struct fileid_desc *fid = NULL;
 	struct udf_dirstream *ds;
 	uint64_t fsize;
 	u_long nameiop;
 	u_long flags;
 	char *nameptr;
 	long namelen;
 	ino_t id = 0;
 	int offset, error = 0;
 	int lkflags, ltype, numdirpasses;
 
 	dvp = a->a_dvp;
 	node = VTON(dvp);
 	udfmp = node->udfmp;
 	nameiop = a->a_cnp->cn_nameiop;
 	flags = a->a_cnp->cn_flags;
 	lkflags = a->a_cnp->cn_lkflags;
 	nameptr = a->a_cnp->cn_nameptr;
 	namelen = a->a_cnp->cn_namelen;
 	fsize = le64toh(node->fentry->inf_len);
 	if (fsize > INT_MAX) {
 		/* too big, just cap to INT_MAX */
 		fsize = INT_MAX;
 	}
 
 	/*
 	 * If this is a LOOKUP and we've already partially searched through
 	 * the directory, pick up where we left off and flag that the
 	 * directory may need to be searched twice.  For a full description,
 	 * see /sys/fs/cd9660/cd9660_lookup.c:cd9660_lookup()
 	 */
 	if (nameiop != LOOKUP || node->diroff == 0 || node->diroff > fsize) {
 		offset = 0;
 		numdirpasses = 1;
 	} else {
 		offset = node->diroff;
 		numdirpasses = 2;
 		nchstats.ncs_2passes++;
 	}
 
 lookloop:
 	ds = udf_opendir(node, offset, fsize, udfmp);
 
 	while ((fid = udf_getfid(ds)) != NULL) {
 		/* XXX Should we return an error on a bad fid? */
 		if (udf_checktag(&fid->tag, TAGID_FID)) {
 			printf("udf_lookup: Invalid tag\n");
 			error = EIO;
 			break;
 		}
 
 		/* Is this a deleted file? */
 		if (fid->file_char & UDF_FILE_CHAR_DEL)
 			continue;
 
 		if ((fid->l_fi == 0) && (fid->file_char & UDF_FILE_CHAR_PAR)) {
 			if (flags & ISDOTDOT) {
 				id = udf_getid(&fid->icb);
 				break;
 			}
 		} else {
 			if (!(udf_cmpname(&fid->data[fid->l_iu],
 			    nameptr, fid->l_fi, namelen, udfmp))) {
 				id = udf_getid(&fid->icb);
 				break;
 			}
 		}
 	}
 
 	if (!error)
 		error = ds->error;
 
 	/* XXX Bail out here? */
 	if (error) {
 		udf_closedir(ds);
 		return (error);
 	}
 
 	/* Did we have a match? */
 	if (id) {
 		/*
 		 * Remember where this entry was if it's the final
 		 * component.
 		 */
 		if ((flags & ISLASTCN) && nameiop == LOOKUP)
 			node->diroff = ds->offset + ds->off;
 		if (numdirpasses == 2)
 			nchstats.ncs_pass2++;
 		udf_closedir(ds);
 
 		if (flags & ISDOTDOT) {
 			error = vn_vget_ino(dvp, id, lkflags, &tdp);
 		} else if (node->hash_id == id) {
-			VREF(dvp);	/* we want ourself, ie "." */
+			vref(dvp);	/* we want ourself, ie "." */
 			/*
 			 * When we lookup "." we still can be asked to lock it
 			 * differently.
 			 */
 			ltype = lkflags & LK_TYPE_MASK;
 			if (ltype != VOP_ISLOCKED(dvp)) {
 				if (ltype == LK_EXCLUSIVE)
 					vn_lock(dvp, LK_UPGRADE | LK_RETRY);
 				else /* if (ltype == LK_SHARED) */
 					vn_lock(dvp, LK_DOWNGRADE | LK_RETRY);
 			}
 			tdp = dvp;
 		} else
 			error = udf_vget(udfmp->im_mountp, id, lkflags, &tdp);
 		if (!error) {
 			*vpp = tdp;
 			/* Put this entry in the cache */
 			if (flags & MAKEENTRY)
 				cache_enter(dvp, *vpp, a->a_cnp);
 		}
 	} else {
 		/* Name wasn't found on this pass.  Do another pass? */
 		if (numdirpasses == 2) {
 			numdirpasses--;
 			offset = 0;
 			udf_closedir(ds);
 			goto lookloop;
 		}
 		udf_closedir(ds);
 
 		/* Enter name into cache as non-existant */
 		if (flags & MAKEENTRY)
 			cache_enter(dvp, *vpp, a->a_cnp);
 
 		if ((flags & ISLASTCN) &&
 		    (nameiop == CREATE || nameiop == RENAME)) {
 			error = EROFS;
 		} else {
 			error = ENOENT;
 		}
 	}
 
 	return (error);
 }
 
 static int
 udf_reclaim(struct vop_reclaim_args *a)
 {
 	struct vnode *vp;
 	struct udf_node *unode;
 
 	vp = a->a_vp;
 	unode = VTON(vp);
 
 	if (unode != NULL) {
 		vfs_hash_remove(vp);
 
 		if (unode->fentry != NULL)
 			free(unode->fentry, M_UDFFENTRY);
 		uma_zfree(udf_zone_node, unode);
 		vp->v_data = NULL;
 	}
 
 	return (0);
 }
 
 static int
 udf_vptofh(struct vop_vptofh_args *a)
 {
 	struct udf_node *node;
 	struct ifid *ifhp;
 	_Static_assert(sizeof(struct ifid) <= sizeof(struct fid),
 	    "struct ifid cannot be larger than struct fid");
 
 	node = VTON(a->a_vp);
 	ifhp = (struct ifid *)a->a_fhp;
 	ifhp->ifid_len = sizeof(struct ifid);
 	ifhp->ifid_ino = node->hash_id;
 
 	return (0);
 }
 
 /*
  * Read the block and then set the data pointer to correspond with the
  * offset passed in.  Only read in at most 'size' bytes, and then set 'size'
  * to the number of bytes pointed to.  If 'size' is zero, try to read in a
  * whole extent.
  *
  * Note that *bp may be assigned error or not.
  *
  */
 static int
 udf_readatoffset(struct udf_node *node, int *size, off_t offset,
     struct buf **bp, uint8_t **data)
 {
 	struct udf_mnt *udfmp = node->udfmp;
 	struct vnode *vp = node->i_vnode;
 	struct file_entry *fentry;
 	struct buf *bp1;
 	uint32_t max_size;
 	daddr_t sector;
 	off_t off;
 	int adj_size;
 	int error;
 
 	/*
 	 * This call is made *not* only to detect UDF_INVALID_BMAP case,
 	 * max_size is used as an ad-hoc read-ahead hint for "normal" case.
 	 */
 	error = udf_bmap_internal(node, offset, &sector, &max_size);
 	if (error == UDF_INVALID_BMAP) {
 		/*
 		 * This error means that the file *data* is stored in the
 		 * allocation descriptor field of the file entry.
 		 */
 		fentry = node->fentry;
 		*data = &fentry->data[le32toh(fentry->l_ea)];
 		*size = le32toh(fentry->l_ad);
 		if (offset >= *size)
 			*size = 0;
 		else {
 			*data += offset;
 			*size -= offset;
 		}
 		return (0);
 	} else if (error != 0) {
 		return (error);
 	}
 
 	/* Adjust the size so that it is within range */
 	if (*size == 0 || *size > max_size)
 		*size = max_size;
 
 	/*
 	 * Because we will read starting at block boundary, we need to adjust
 	 * how much we need to read so that all promised data is in.
 	 * Also, we can't promise to read more than MAXBSIZE bytes starting
 	 * from block boundary, so adjust what we promise too.
 	 */
 	off = blkoff(udfmp, offset);
 	*size = min(*size, MAXBSIZE - off);
 	adj_size = (*size + off + udfmp->bmask) & ~udfmp->bmask;
 	*bp = NULL;
 	if ((error = bread(vp, lblkno(udfmp, offset), adj_size, NOCRED, bp))) {
 		printf("warning: udf_readlblks returned error %d\n", error);
 		/* note: *bp may be non-NULL */
 		return (error);
 	}
 
 	bp1 = *bp;
 	*data = (uint8_t *)&bp1->b_data[offset & udfmp->bmask];
 	return (0);
 }
 
 /*
  * Translate a file offset into a logical block and then into a physical
  * block.
  * max_size - maximum number of bytes that can be read starting from given
  * offset, rather than beginning of calculated sector number
  */
 static int
 udf_bmap_internal(struct udf_node *node, off_t offset, daddr_t *sector,
     uint32_t *max_size)
 {
 	struct udf_mnt *udfmp;
 	struct file_entry *fentry;
 	void *icb;
 	struct icb_tag *tag;
 	uint32_t icblen = 0;
 	daddr_t lsector;
 	int ad_offset, ad_num = 0;
 	int i, p_offset;
 
 	udfmp = node->udfmp;
 	fentry = node->fentry;
 	tag = &fentry->icbtag;
 
 	switch (le16toh(tag->strat_type)) {
 	case 4:
 		break;
 
 	case 4096:
 		printf("Cannot deal with strategy4096 yet!\n");
 		return (ENODEV);
 
 	default:
 		printf("Unknown strategy type %d\n", tag->strat_type);
 		return (ENODEV);
 	}
 
 	switch (le16toh(tag->flags) & 0x7) {
 	case 0:
 		/*
 		 * The allocation descriptor field is filled with short_ad's.
 		 * If the offset is beyond the current extent, look for the
 		 * next extent.
 		 */
 		do {
 			offset -= icblen;
 			ad_offset = sizeof(struct short_ad) * ad_num;
 			if (ad_offset > le32toh(fentry->l_ad)) {
 				printf("File offset out of bounds\n");
 				return (EINVAL);
 			}
 			icb = GETICB(short_ad, fentry,
 			    le32toh(fentry->l_ea) + ad_offset);
 			icblen = GETICBLEN(short_ad, icb);
 			ad_num++;
 		} while(offset >= icblen);
 
 		lsector = (offset  >> udfmp->bshift) +
 		    le32toh(((struct short_ad *)(icb))->pos);
 
 		*max_size = icblen - offset;
 
 		break;
 	case 1:
 		/*
 		 * The allocation descriptor field is filled with long_ad's
 		 * If the offset is beyond the current extent, look for the
 		 * next extent.
 		 */
 		do {
 			offset -= icblen;
 			ad_offset = sizeof(struct long_ad) * ad_num;
 			if (ad_offset > le32toh(fentry->l_ad)) {
 				printf("File offset out of bounds\n");
 				return (EINVAL);
 			}
 			icb = GETICB(long_ad, fentry,
 			    le32toh(fentry->l_ea) + ad_offset);
 			icblen = GETICBLEN(long_ad, icb);
 			ad_num++;
 		} while(offset >= icblen);
 
 		lsector = (offset >> udfmp->bshift) +
 		    le32toh(((struct long_ad *)(icb))->loc.lb_num);
 
 		*max_size = icblen - offset;
 
 		break;
 	case 3:
 		/*
 		 * This type means that the file *data* is stored in the
 		 * allocation descriptor field of the file entry.
 		 */
 		*max_size = 0;
 		*sector = node->hash_id + udfmp->part_start;
 
 		return (UDF_INVALID_BMAP);
 	case 2:
 		/* DirectCD does not use extended_ad's */
 	default:
 		printf("Unsupported allocation descriptor %d\n",
 		       tag->flags & 0x7);
 		return (ENODEV);
 	}
 
 	*sector = lsector + udfmp->part_start;
 
 	/*
 	 * Check the sparing table.  Each entry represents the beginning of
 	 * a packet.
 	 */
 	if (udfmp->s_table != NULL) {
 		for (i = 0; i< udfmp->s_table_entries; i++) {
 			p_offset =
 			    lsector - le32toh(udfmp->s_table->entries[i].org);
 			if ((p_offset < udfmp->p_sectors) && (p_offset >= 0)) {
 				*sector =
 				   le32toh(udfmp->s_table->entries[i].map) +
 				    p_offset;
 				break;
 			}
 		}
 	}
 
 	return (0);
 }
diff --git a/sys/kern/uipc_mqueue.c b/sys/kern/uipc_mqueue.c
index 568d8b56d0be..a8aec397b352 100644
--- a/sys/kern/uipc_mqueue.c
+++ b/sys/kern/uipc_mqueue.c
@@ -1,2954 +1,2954 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause
  *
  * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
  * Copyright (c) 2016-2017 Robert N. M. Watson
  * All rights reserved.
  *
  * Portions of this software were developed by BAE Systems, the University of
  * Cambridge Computer Laboratory, and Memorial University under DARPA/AFRL
  * contract FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent
  * Computing (TC) research program.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  */
 
 /*
  * POSIX message queue implementation.
  *
  * 1) A mqueue filesystem can be mounted, each message queue appears
  *    in mounted directory, user can change queue's permission and
  *    ownership, or remove a queue. Manually creating a file in the
  *    directory causes a message queue to be created in the kernel with
  *    default message queue attributes applied and same name used, this
  *    method is not advocated since mq_open syscall allows user to specify
  *    different attributes. Also the file system can be mounted multiple
  *    times at different mount points but shows same contents.
  *
  * 2) Standard POSIX message queue API. The syscalls do not use vfs layer,
  *    but directly operate on internal data structure, this allows user to
  *    use the IPC facility without having to mount mqueue file system.
  */
 
 #include "opt_capsicum.h"
 
 #include <sys/param.h>
 #include <sys/kernel.h>
 #include <sys/systm.h>
 #include <sys/limits.h>
 #include <sys/malloc.h>
 #include <sys/buf.h>
 #include <sys/capsicum.h>
 #include <sys/dirent.h>
 #include <sys/event.h>
 #include <sys/eventhandler.h>
 #include <sys/fcntl.h>
 #include <sys/file.h>
 #include <sys/filedesc.h>
 #include <sys/jail.h>
 #include <sys/lock.h>
 #include <sys/module.h>
 #include <sys/mount.h>
 #include <sys/mqueue.h>
 #include <sys/mutex.h>
 #include <sys/namei.h>
 #include <sys/posix4.h>
 #include <sys/poll.h>
 #include <sys/priv.h>
 #include <sys/proc.h>
 #include <sys/queue.h>
 #include <sys/sysproto.h>
 #include <sys/stat.h>
 #include <sys/syscall.h>
 #include <sys/syscallsubr.h>
 #include <sys/sysent.h>
 #include <sys/sx.h>
 #include <sys/sysctl.h>
 #include <sys/taskqueue.h>
 #include <sys/unistd.h>
 #include <sys/user.h>
 #include <sys/vnode.h>
 #include <machine/atomic.h>
 
 #include <security/audit/audit.h>
 
 FEATURE(p1003_1b_mqueue, "POSIX P1003.1B message queues support");
 
 /*
  * Limits and constants
  */
 #define	MQFS_NAMELEN		NAME_MAX
 #define MQFS_DELEN		(8 + MQFS_NAMELEN)
 
 /* node types */
 typedef enum {
 	mqfstype_none = 0,
 	mqfstype_root,
 	mqfstype_dir,
 	mqfstype_this,
 	mqfstype_parent,
 	mqfstype_file,
 	mqfstype_symlink,
 } mqfs_type_t;
 
 struct mqfs_node;
 
 /*
  * mqfs_info: describes a mqfs instance
  */
 struct mqfs_info {
 	struct sx		mi_lock;
 	struct mqfs_node	*mi_root;
 	struct unrhdr		*mi_unrhdr;
 };
 
 struct mqfs_vdata {
 	LIST_ENTRY(mqfs_vdata)	mv_link;
 	struct mqfs_node	*mv_node;
 	struct vnode		*mv_vnode;
 	struct task		mv_task;
 };
 
 /*
  * mqfs_node: describes a node (file or directory) within a mqfs
  */
 struct mqfs_node {
 	char			mn_name[MQFS_NAMELEN+1];
 	struct mqfs_info	*mn_info;
 	struct mqfs_node	*mn_parent;
 	LIST_HEAD(,mqfs_node)	mn_children;
 	LIST_ENTRY(mqfs_node)	mn_sibling;
 	LIST_HEAD(,mqfs_vdata)	mn_vnodes;
 	const void		*mn_pr_root;
 	int			mn_refcount;
 	mqfs_type_t		mn_type;
 	int			mn_deleted;
 	uint32_t		mn_fileno;
 	void			*mn_data;
 	struct timespec		mn_birth;
 	struct timespec		mn_ctime;
 	struct timespec		mn_atime;
 	struct timespec		mn_mtime;
 	uid_t			mn_uid;
 	gid_t			mn_gid;
 	int			mn_mode;
 };
 
 #define	VTON(vp)	(((struct mqfs_vdata *)((vp)->v_data))->mv_node)
 #define VTOMQ(vp) 	((struct mqueue *)(VTON(vp)->mn_data))
 #define	VFSTOMQFS(m)	((struct mqfs_info *)((m)->mnt_data))
 #define	FPTOMQ(fp)	((struct mqueue *)(((struct mqfs_node *) \
 				(fp)->f_data)->mn_data))
 
 TAILQ_HEAD(msgq, mqueue_msg);
 
 struct mqueue;
 
 struct mqueue_notifier {
 	LIST_ENTRY(mqueue_notifier)	nt_link;
 	struct sigevent			nt_sigev;
 	ksiginfo_t			nt_ksi;
 	struct proc			*nt_proc;
 };
 
 struct mqueue {
 	struct mtx	mq_mutex;
 	int		mq_flags;
 	long		mq_maxmsg;
 	long		mq_msgsize;
 	long		mq_curmsgs;
 	long		mq_totalbytes;
 	struct msgq	mq_msgq;
 	int		mq_receivers;
 	int		mq_senders;
 	struct selinfo	mq_rsel;
 	struct selinfo	mq_wsel;
 	struct mqueue_notifier	*mq_notifier;
 };
 
 #define	MQ_RSEL		0x01
 #define	MQ_WSEL		0x02
 
 struct mqueue_msg {
 	TAILQ_ENTRY(mqueue_msg)	msg_link;
 	unsigned int	msg_prio;
 	unsigned int	msg_size;
 	/* following real data... */
 };
 
 static SYSCTL_NODE(_kern, OID_AUTO, mqueue, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
 	"POSIX real time message queue");
 
 static int	default_maxmsg  = 10;
 SYSCTL_INT(_kern_mqueue, OID_AUTO, default_maxmsg, CTLFLAG_RD,
     &default_maxmsg, 0, "Default maximum messages in queue");
 static int	default_msgsize = 1024;
 SYSCTL_INT(_kern_mqueue, OID_AUTO, default_msgsize, CTLFLAG_RD,
     &default_msgsize, 0, "Default maximum message size");
 
 static int	maxmsg = 100;
 SYSCTL_INT(_kern_mqueue, OID_AUTO, maxmsg, CTLFLAG_RW,
     &maxmsg, 0, "maximum messages in queue");
 static int	maxmsgsize = 16384;
 SYSCTL_INT(_kern_mqueue, OID_AUTO, maxmsgsize, CTLFLAG_RW,
     &maxmsgsize, 0, "maximum message size");
 static int	maxmq = 100;
 SYSCTL_INT(_kern_mqueue, OID_AUTO, maxmq, CTLFLAG_RW,
     &maxmq, 0, "maximum message queues");
 static int	curmq = 0;
 SYSCTL_INT(_kern_mqueue, OID_AUTO, curmq, CTLFLAG_RW,
     &curmq, 0, "current message queue number");
 static int	unloadable = 0;
 static MALLOC_DEFINE(M_MQUEUEDATA, "mqdata", "mqueue data");
 
 static eventhandler_tag exit_tag;
 
 /* Only one instance per-system */
 static struct mqfs_info		mqfs_data;
 static uma_zone_t		mqnode_zone;
 static uma_zone_t		mqueue_zone;
 static uma_zone_t		mvdata_zone;
 static uma_zone_t		mqnoti_zone;
 static struct vop_vector	mqfs_vnodeops;
 static const struct fileops	mqueueops;
 static unsigned			mqfs_osd_jail_slot;
 
 /*
  * Directory structure construction and manipulation
  */
 #ifdef notyet
 static struct mqfs_node	*mqfs_create_dir(struct mqfs_node *parent,
 	const char *name, int namelen, struct ucred *cred, int mode);
 static struct mqfs_node	*mqfs_create_link(struct mqfs_node *parent,
 	const char *name, int namelen, struct ucred *cred, int mode);
 #endif
 
 static struct mqfs_node	*mqfs_create_file(struct mqfs_node *parent,
 	const char *name, int namelen, struct ucred *cred, int mode);
 static int	mqfs_destroy(struct mqfs_node *mn);
 static void	mqfs_fileno_alloc(struct mqfs_info *mi, struct mqfs_node *mn);
 static void	mqfs_fileno_free(struct mqfs_info *mi, struct mqfs_node *mn);
 static int	mqfs_allocv(struct mount *mp, struct vnode **vpp, struct mqfs_node *pn);
 static int	mqfs_prison_remove(void *obj, void *data);
 
 /*
  * Message queue construction and maniplation
  */
 static struct mqueue	*mqueue_alloc(const struct mq_attr *attr);
 static void	mqueue_free(struct mqueue *mq);
 static int	mqueue_send(struct mqueue *mq, const char *msg_ptr,
 			size_t msg_len, unsigned msg_prio, int waitok,
 			const struct timespec *abs_timeout);
 static int	mqueue_receive(struct mqueue *mq, char *msg_ptr,
 			size_t msg_len, unsigned *msg_prio, int waitok,
 			const struct timespec *abs_timeout);
 static int	_mqueue_send(struct mqueue *mq, struct mqueue_msg *msg,
 			int timo);
 static int	_mqueue_recv(struct mqueue *mq, struct mqueue_msg **msg,
 			int timo);
 static void	mqueue_send_notification(struct mqueue *mq);
 static void	mqueue_fdclose(struct thread *td, int fd, struct file *fp);
 static void	mq_proc_exit(void *arg, struct proc *p);
 
 /*
  * kqueue filters
  */
 static void	filt_mqdetach(struct knote *kn);
 static int	filt_mqread(struct knote *kn, long hint);
 static int	filt_mqwrite(struct knote *kn, long hint);
 
 static const struct filterops mq_rfiltops = {
 	.f_isfd = 1,
 	.f_detach = filt_mqdetach,
 	.f_event = filt_mqread,
 };
 static const struct filterops mq_wfiltops = {
 	.f_isfd = 1,
 	.f_detach = filt_mqdetach,
 	.f_event = filt_mqwrite,
 };
 
 /*
  * Initialize fileno bitmap
  */
 static void
 mqfs_fileno_init(struct mqfs_info *mi)
 {
 	struct unrhdr *up;
 
 	up = new_unrhdr(1, INT_MAX, NULL);
 	mi->mi_unrhdr = up;
 }
 
 /*
  * Tear down fileno bitmap
  */
 static void
 mqfs_fileno_uninit(struct mqfs_info *mi)
 {
 	struct unrhdr *up;
 
 	up = mi->mi_unrhdr;
 	mi->mi_unrhdr = NULL;
 	delete_unrhdr(up);
 }
 
 /*
  * Allocate a file number
  */
 static void
 mqfs_fileno_alloc(struct mqfs_info *mi, struct mqfs_node *mn)
 {
 	/* make sure our parent has a file number */
 	if (mn->mn_parent && !mn->mn_parent->mn_fileno)
 		mqfs_fileno_alloc(mi, mn->mn_parent);
 
 	switch (mn->mn_type) {
 	case mqfstype_root:
 	case mqfstype_dir:
 	case mqfstype_file:
 	case mqfstype_symlink:
 		mn->mn_fileno = alloc_unr(mi->mi_unrhdr);
 		break;
 	case mqfstype_this:
 		KASSERT(mn->mn_parent != NULL,
 		    ("mqfstype_this node has no parent"));
 		mn->mn_fileno = mn->mn_parent->mn_fileno;
 		break;
 	case mqfstype_parent:
 		KASSERT(mn->mn_parent != NULL,
 		    ("mqfstype_parent node has no parent"));
 		if (mn->mn_parent == mi->mi_root) {
 			mn->mn_fileno = mn->mn_parent->mn_fileno;
 			break;
 		}
 		KASSERT(mn->mn_parent->mn_parent != NULL,
 		    ("mqfstype_parent node has no grandparent"));
 		mn->mn_fileno = mn->mn_parent->mn_parent->mn_fileno;
 		break;
 	default:
 		KASSERT(0,
 		    ("mqfs_fileno_alloc() called for unknown type node: %d",
 			mn->mn_type));
 		break;
 	}
 }
 
 /*
  * Release a file number
  */
 static void
 mqfs_fileno_free(struct mqfs_info *mi, struct mqfs_node *mn)
 {
 	switch (mn->mn_type) {
 	case mqfstype_root:
 	case mqfstype_dir:
 	case mqfstype_file:
 	case mqfstype_symlink:
 		free_unr(mi->mi_unrhdr, mn->mn_fileno);
 		break;
 	case mqfstype_this:
 	case mqfstype_parent:
 		/* ignore these, as they don't "own" their file number */
 		break;
 	default:
 		KASSERT(0,
 		    ("mqfs_fileno_free() called for unknown type node: %d", 
 			mn->mn_type));
 		break;
 	}
 }
 
 static __inline struct mqfs_node *
 mqnode_alloc(void)
 {
 	return (uma_zalloc(mqnode_zone, M_WAITOK | M_ZERO));
 }
 
 static __inline void
 mqnode_free(struct mqfs_node *node)
 {
 	uma_zfree(mqnode_zone, node);
 }
 
 static __inline void
 mqnode_addref(struct mqfs_node *node)
 {
 	atomic_add_int(&node->mn_refcount, 1);
 }
 
 static __inline void
 mqnode_release(struct mqfs_node *node)
 {
 	struct mqfs_info *mqfs;
 	int old, exp;
 
 	mqfs = node->mn_info;
 	old = atomic_fetchadd_int(&node->mn_refcount, -1);
 	if (node->mn_type == mqfstype_dir ||
 	    node->mn_type == mqfstype_root)
 		exp = 3; /* include . and .. */
 	else
 		exp = 1;
 	if (old == exp) {
 		int locked = sx_xlocked(&mqfs->mi_lock);
 		if (!locked)
 			sx_xlock(&mqfs->mi_lock);
 		mqfs_destroy(node);
 		if (!locked)
 			sx_xunlock(&mqfs->mi_lock);
 	}
 }
 
 /*
  * Add a node to a directory
  */
 static int
 mqfs_add_node(struct mqfs_node *parent, struct mqfs_node *node)
 {
 	KASSERT(parent != NULL, ("%s(): parent is NULL", __func__));
 	KASSERT(parent->mn_info != NULL,
 	    ("%s(): parent has no mn_info", __func__));
 	KASSERT(parent->mn_type == mqfstype_dir ||
 	    parent->mn_type == mqfstype_root,
 	    ("%s(): parent is not a directory", __func__));
 
 	node->mn_info = parent->mn_info;
 	node->mn_parent = parent;
 	LIST_INIT(&node->mn_children);
 	LIST_INIT(&node->mn_vnodes);
 	LIST_INSERT_HEAD(&parent->mn_children, node, mn_sibling);
 	mqnode_addref(parent);
 	return (0);
 }
 
 static struct mqfs_node *
 mqfs_create_node(const char *name, int namelen, struct ucred *cred, int mode,
 	int nodetype)
 {
 	struct mqfs_node *node;
 
 	node = mqnode_alloc();
 	strncpy(node->mn_name, name, namelen);
 	node->mn_pr_root = cred->cr_prison->pr_root;
 	node->mn_type = nodetype;
 	node->mn_refcount = 1;
 	vfs_timestamp(&node->mn_birth);
 	node->mn_ctime = node->mn_atime = node->mn_mtime =
 	    node->mn_birth;
 	node->mn_uid = cred->cr_uid;
 	node->mn_gid = cred->cr_gid;
 	node->mn_mode = mode;
 	return (node);
 }
 
 /*
  * Create a file
  */
 static struct mqfs_node *
 mqfs_create_file(struct mqfs_node *parent, const char *name, int namelen,
 	struct ucred *cred, int mode)
 {
 	struct mqfs_node *node;
 
 	node = mqfs_create_node(name, namelen, cred, mode, mqfstype_file);
 	if (mqfs_add_node(parent, node) != 0) {
 		mqnode_free(node);
 		return (NULL);
 	}
 	return (node);
 }
 
 /*
  * Add . and .. to a directory
  */
 static int
 mqfs_fixup_dir(struct mqfs_node *parent)
 {
 	struct mqfs_node *dir;
 
 	dir = mqnode_alloc();
 	dir->mn_name[0] = '.';
 	dir->mn_type = mqfstype_this;
 	dir->mn_refcount = 1;
 	if (mqfs_add_node(parent, dir) != 0) {
 		mqnode_free(dir);
 		return (-1);
 	}
 
 	dir = mqnode_alloc();
 	dir->mn_name[0] = dir->mn_name[1] = '.';
 	dir->mn_type = mqfstype_parent;
 	dir->mn_refcount = 1;
 
 	if (mqfs_add_node(parent, dir) != 0) {
 		mqnode_free(dir);
 		return (-1);
 	}
 
 	return (0);
 }
 
 #ifdef notyet
 
 /*
  * Create a directory
  */
 static struct mqfs_node *
 mqfs_create_dir(struct mqfs_node *parent, const char *name, int namelen,
 	struct ucred *cred, int mode)
 {
 	struct mqfs_node *node;
 
 	node = mqfs_create_node(name, namelen, cred, mode, mqfstype_dir);
 	if (mqfs_add_node(parent, node) != 0) {
 		mqnode_free(node);
 		return (NULL);
 	}
 
 	if (mqfs_fixup_dir(node) != 0) {
 		mqfs_destroy(node);
 		return (NULL);
 	}
 	return (node);
 }
 
 /*
  * Create a symlink
  */
 static struct mqfs_node *
 mqfs_create_link(struct mqfs_node *parent, const char *name, int namelen,
 	struct ucred *cred, int mode)
 {
 	struct mqfs_node *node;
 
 	node = mqfs_create_node(name, namelen, cred, mode, mqfstype_symlink);
 	if (mqfs_add_node(parent, node) != 0) {
 		mqnode_free(node);
 		return (NULL);
 	}
 	return (node);
 }
 
 #endif
 
 /*
  * Destroy a node or a tree of nodes
  */
 static int
 mqfs_destroy(struct mqfs_node *node)
 {
 	struct mqfs_node *parent;
 
 	KASSERT(node != NULL,
 	    ("%s(): node is NULL", __func__));
 	KASSERT(node->mn_info != NULL,
 	    ("%s(): node has no mn_info", __func__));
 
 	/* destroy children */
 	if (node->mn_type == mqfstype_dir || node->mn_type == mqfstype_root)
 		while (! LIST_EMPTY(&node->mn_children))
 			mqfs_destroy(LIST_FIRST(&node->mn_children));
 
 	/* unlink from parent */
 	if ((parent = node->mn_parent) != NULL) {
 		KASSERT(parent->mn_info == node->mn_info,
 		    ("%s(): parent has different mn_info", __func__));
 		LIST_REMOVE(node, mn_sibling);
 	}
 
 	if (node->mn_fileno != 0)
 		mqfs_fileno_free(node->mn_info, node);
 	if (node->mn_data != NULL)
 		mqueue_free(node->mn_data);
 	mqnode_free(node);
 	return (0);
 }
 
 /*
  * Mount a mqfs instance
  */
 static int
 mqfs_mount(struct mount *mp)
 {
 	struct statfs *sbp;
 
 	if (mp->mnt_flag & MNT_UPDATE)
 		return (EOPNOTSUPP);
 
 	mp->mnt_data = &mqfs_data;
 	MNT_ILOCK(mp);
 	mp->mnt_flag |= MNT_LOCAL;
 	MNT_IUNLOCK(mp);
 	vfs_getnewfsid(mp);
 
 	sbp = &mp->mnt_stat;
 	vfs_mountedfrom(mp, "mqueue");
 	sbp->f_bsize = PAGE_SIZE;
 	sbp->f_iosize = PAGE_SIZE;
 	sbp->f_blocks = 1;
 	sbp->f_bfree = 1;
 	sbp->f_bavail = 0;
 	sbp->f_files = 0;
 	sbp->f_ffree = 0;
 	return (0);
 }
 
 /*
  * Unmount a mqfs instance
  */
 static int
 mqfs_unmount(struct mount *mp, int mntflags)
 {
 	int error;
 
 	error = vflush(mp, 0, (mntflags & MNT_FORCE) ?  FORCECLOSE : 0,
 	    curthread);
 	return (error);
 }
 
 /*
  * Return a root vnode
  */
 static int
 mqfs_root(struct mount *mp, int flags, struct vnode **vpp)
 {
 	struct mqfs_info *mqfs;
 	int ret;
 
 	mqfs = VFSTOMQFS(mp);
 	ret = mqfs_allocv(mp, vpp, mqfs->mi_root);
 	return (ret);
 }
 
 /*
  * Return filesystem stats
  */
 static int
 mqfs_statfs(struct mount *mp, struct statfs *sbp)
 {
 	/* XXX update statistics */
 	return (0);
 }
 
 /*
  * Initialize a mqfs instance
  */
 static int
 mqfs_init(struct vfsconf *vfc)
 {
 	struct mqfs_node *root;
 	struct mqfs_info *mi;
 	osd_method_t methods[PR_MAXMETHOD] = {
 	    [PR_METHOD_REMOVE] = mqfs_prison_remove,
 	};
 
 	mqnode_zone = uma_zcreate("mqnode", sizeof(struct mqfs_node),
 		NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
 	mqueue_zone = uma_zcreate("mqueue", sizeof(struct mqueue),
 		NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
 	mvdata_zone = uma_zcreate("mvdata",
 		sizeof(struct mqfs_vdata), NULL, NULL, NULL,
 		NULL, UMA_ALIGN_PTR, 0);
 	mqnoti_zone = uma_zcreate("mqnotifier", sizeof(struct mqueue_notifier),
 		NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
 	mi = &mqfs_data;
 	sx_init(&mi->mi_lock, "mqfs lock");
 	/* set up the root diretory */
 	root = mqfs_create_node("/", 1, curthread->td_ucred, 01777,
 		mqfstype_root);
 	root->mn_info = mi;
 	LIST_INIT(&root->mn_children);
 	LIST_INIT(&root->mn_vnodes);
 	mi->mi_root = root;
 	mqfs_fileno_init(mi);
 	mqfs_fileno_alloc(mi, root);
 	mqfs_fixup_dir(root);
 	exit_tag = EVENTHANDLER_REGISTER(process_exit, mq_proc_exit, NULL,
 	    EVENTHANDLER_PRI_ANY);
 	mq_fdclose = mqueue_fdclose;
 	p31b_setcfg(CTL_P1003_1B_MESSAGE_PASSING, _POSIX_MESSAGE_PASSING);
 	mqfs_osd_jail_slot = osd_jail_register(NULL, methods);
 	return (0);
 }
 
 /*
  * Destroy a mqfs instance
  */
 static int
 mqfs_uninit(struct vfsconf *vfc)
 {
 	struct mqfs_info *mi;
 
 	if (!unloadable)
 		return (EOPNOTSUPP);
 	osd_jail_deregister(mqfs_osd_jail_slot);
 	EVENTHANDLER_DEREGISTER(process_exit, exit_tag);
 	mi = &mqfs_data;
 	mqfs_destroy(mi->mi_root);
 	mi->mi_root = NULL;
 	mqfs_fileno_uninit(mi);
 	sx_destroy(&mi->mi_lock);
 	uma_zdestroy(mqnode_zone);
 	uma_zdestroy(mqueue_zone);
 	uma_zdestroy(mvdata_zone);
 	uma_zdestroy(mqnoti_zone);
 	return (0);
 }
 
 /*
  * task routine
  */
 static void
 do_recycle(void *context, int pending __unused)
 {
 	struct vnode *vp = (struct vnode *)context;
 
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	vrecycle(vp);
 	VOP_UNLOCK(vp);
 	vdrop(vp);
 }
 
 /*
  * Allocate a vnode
  */
 static int
 mqfs_allocv(struct mount *mp, struct vnode **vpp, struct mqfs_node *pn)
 {
 	struct mqfs_vdata *vd;
 	struct mqfs_info  *mqfs;
 	struct vnode *newvpp;
 	int error;
 
 	mqfs = pn->mn_info;
 	*vpp = NULL;
 	sx_xlock(&mqfs->mi_lock);
 	LIST_FOREACH(vd, &pn->mn_vnodes, mv_link) {
 		if (vd->mv_vnode->v_mount == mp) {
 			vhold(vd->mv_vnode);
 			break;
 		}
 	}
 
 	if (vd != NULL) {
 found:
 		*vpp = vd->mv_vnode;
 		sx_xunlock(&mqfs->mi_lock);
 		error = vget(*vpp, LK_RETRY | LK_EXCLUSIVE);
 		vdrop(*vpp);
 		return (error);
 	}
 	sx_xunlock(&mqfs->mi_lock);
 
 	error = getnewvnode("mqueue", mp, &mqfs_vnodeops, &newvpp);
 	if (error)
 		return (error);
 	vn_lock(newvpp, LK_EXCLUSIVE | LK_RETRY);
 	error = insmntque(newvpp, mp);
 	if (error != 0)
 		return (error);
 
 	sx_xlock(&mqfs->mi_lock);
 	/*
 	 * Check if it has already been allocated
 	 * while we were blocked.
 	 */
 	LIST_FOREACH(vd, &pn->mn_vnodes, mv_link) {
 		if (vd->mv_vnode->v_mount == mp) {
 			vhold(vd->mv_vnode);
 			sx_xunlock(&mqfs->mi_lock);
 
 			vgone(newvpp);
 			vput(newvpp);
 			goto found;
 		}
 	}
 
 	*vpp = newvpp;
 
 	vd = uma_zalloc(mvdata_zone, M_WAITOK);
 	(*vpp)->v_data = vd;
 	vd->mv_vnode = *vpp;
 	vd->mv_node = pn;
 	TASK_INIT(&vd->mv_task, 0, do_recycle, *vpp);
 	LIST_INSERT_HEAD(&pn->mn_vnodes, vd, mv_link);
 	mqnode_addref(pn);
 	switch (pn->mn_type) {
 	case mqfstype_root:
 		(*vpp)->v_vflag = VV_ROOT;
 		/* fall through */
 	case mqfstype_dir:
 	case mqfstype_this:
 	case mqfstype_parent:
 		(*vpp)->v_type = VDIR;
 		break;
 	case mqfstype_file:
 		(*vpp)->v_type = VREG;
 		break;
 	case mqfstype_symlink:
 		(*vpp)->v_type = VLNK;
 		break;
 	case mqfstype_none:
 		KASSERT(0, ("mqfs_allocf called for null node\n"));
 	default:
 		panic("%s has unexpected type: %d", pn->mn_name, pn->mn_type);
 	}
 	sx_xunlock(&mqfs->mi_lock);
 	vn_set_state(*vpp, VSTATE_CONSTRUCTED);
 	return (0);
 }
 
 /* 
  * Search a directory entry
  */
 static struct mqfs_node *
 mqfs_search(struct mqfs_node *pd, const char *name, int len, struct ucred *cred)
 {
 	struct mqfs_node *pn;
 	const void *pr_root;
 
 	sx_assert(&pd->mn_info->mi_lock, SX_LOCKED);
 	pr_root = cred->cr_prison->pr_root;
 	LIST_FOREACH(pn, &pd->mn_children, mn_sibling) {
 		/* Only match names within the same prison root directory */
 		if ((pn->mn_pr_root == NULL || pn->mn_pr_root == pr_root) &&
 		    strncmp(pn->mn_name, name, len) == 0 &&
 		    pn->mn_name[len] == '\0')
 			return (pn);
 	}
 	return (NULL);
 }
 
 /*
  * Look up a file or directory.
  */
 static int
 mqfs_lookupx(struct vop_cachedlookup_args *ap)
 {
 	struct componentname *cnp;
 	struct vnode *dvp, **vpp;
 	struct mqfs_node *pd;
 	struct mqfs_node *pn;
 	struct mqfs_info *mqfs;
 	uint64_t flags;
 	int nameiop, error, namelen;
 	char *pname;
 	struct thread *td;
 
 	td = curthread;
 	cnp = ap->a_cnp;
 	vpp = ap->a_vpp;
 	dvp = ap->a_dvp;
 	pname = cnp->cn_nameptr;
 	namelen = cnp->cn_namelen;
 	flags = cnp->cn_flags;
 	nameiop = cnp->cn_nameiop;
 	pd = VTON(dvp);
 	pn = NULL;
 	mqfs = pd->mn_info;
 	*vpp = NULL;
 
 	if (dvp->v_type != VDIR)
 		return (ENOTDIR);
 
 	error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td);
 	if (error)
 		return (error);
 
 	/* shortcut: check if the name is too long */
 	if (cnp->cn_namelen >= MQFS_NAMELEN)
 		return (ENOENT);
 
 	/* self */
 	if (namelen == 1 && pname[0] == '.') {
 		if ((flags & ISLASTCN) && nameiop != LOOKUP)
 			return (EINVAL);
 		pn = pd;
 		*vpp = dvp;
-		VREF(dvp);
+		vref(dvp);
 		return (0);
 	}
 
 	/* parent */
 	if (cnp->cn_flags & ISDOTDOT) {
 		if (dvp->v_vflag & VV_ROOT)
 			return (EIO);
 		if ((flags & ISLASTCN) && nameiop != LOOKUP)
 			return (EINVAL);
 		VOP_UNLOCK(dvp);
 		KASSERT(pd->mn_parent, ("non-root directory has no parent"));
 		pn = pd->mn_parent;
 		error = mqfs_allocv(dvp->v_mount, vpp, pn);
 		vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
 		return (error);
 	}
 
 	/* named node */
 	sx_xlock(&mqfs->mi_lock);
 	pn = mqfs_search(pd, pname, namelen, cnp->cn_cred);
 	if (pn != NULL)
 		mqnode_addref(pn);
 	sx_xunlock(&mqfs->mi_lock);
 
 	/* found */
 	if (pn != NULL) {
 		/* DELETE */
 		if (nameiop == DELETE && (flags & ISLASTCN)) {
 			error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
 			if (error) {
 				mqnode_release(pn);
 				return (error);
 			}
 			if (*vpp == dvp) {
-				VREF(dvp);
+				vref(dvp);
 				*vpp = dvp;
 				mqnode_release(pn);
 				return (0);
 			}
 		}
 
 		/* allocate vnode */
 		error = mqfs_allocv(dvp->v_mount, vpp, pn);
 		mqnode_release(pn);
 		if (error == 0 && cnp->cn_flags & MAKEENTRY)
 			cache_enter(dvp, *vpp, cnp);
 		return (error);
 	}
 
 	/* not found */
 
 	/* will create a new entry in the directory ? */
 	if ((nameiop == CREATE || nameiop == RENAME) && (flags & LOCKPARENT)
 	    && (flags & ISLASTCN)) {
 		error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
 		if (error)
 			return (error);
 		return (EJUSTRETURN);
 	}
 	return (ENOENT);
 }
 
 #if 0
 struct vop_lookup_args {
 	struct vop_generic_args a_gen;
 	struct vnode *a_dvp;
 	struct vnode **a_vpp;
 	struct componentname *a_cnp;
 };
 #endif
 
 /*
  * vnode lookup operation
  */
 static int
 mqfs_lookup(struct vop_cachedlookup_args *ap)
 {
 	int rc;
 
 	rc = mqfs_lookupx(ap);
 	return (rc);
 }
 
 #if 0
 struct vop_create_args {
 	struct vnode *a_dvp;
 	struct vnode **a_vpp;
 	struct componentname *a_cnp;
 	struct vattr *a_vap;
 };
 #endif
 
 /*
  * vnode creation operation
  */
 static int
 mqfs_create(struct vop_create_args *ap)
 {
 	struct mqfs_info *mqfs = VFSTOMQFS(ap->a_dvp->v_mount);
 	struct componentname *cnp = ap->a_cnp;
 	struct mqfs_node *pd;
 	struct mqfs_node *pn;
 	struct mqueue *mq;
 	int error;
 
 	pd = VTON(ap->a_dvp);
 	if (pd->mn_type != mqfstype_root && pd->mn_type != mqfstype_dir)
 		return (ENOTDIR);
 	mq = mqueue_alloc(NULL);
 	if (mq == NULL)
 		return (EAGAIN);
 	sx_xlock(&mqfs->mi_lock);
 	pn = mqfs_create_file(pd, cnp->cn_nameptr, cnp->cn_namelen,
 		cnp->cn_cred, ap->a_vap->va_mode);
 	if (pn == NULL) {
 		sx_xunlock(&mqfs->mi_lock);
 		error = ENOSPC;
 	} else {
 		mqnode_addref(pn);
 		sx_xunlock(&mqfs->mi_lock);
 		error = mqfs_allocv(ap->a_dvp->v_mount, ap->a_vpp, pn);
 		mqnode_release(pn);
 		if (error)
 			mqfs_destroy(pn);
 		else
 			pn->mn_data = mq;
 	}
 	if (error)
 		mqueue_free(mq);
 	return (error);
 }
 
 /*
  * Remove an entry
  */
 static int
 do_unlink(struct mqfs_node *pn, struct ucred *ucred)
 {
 	struct mqfs_node *parent;
 	struct mqfs_vdata *vd;
 	int error = 0;
 
 	sx_assert(&pn->mn_info->mi_lock, SX_LOCKED);
 
 	if (ucred->cr_uid != pn->mn_uid &&
 	    (error = priv_check_cred(ucred, PRIV_MQ_ADMIN)) != 0)
 		error = EACCES;
 	else if (!pn->mn_deleted) {
 		parent = pn->mn_parent;
 		pn->mn_parent = NULL;
 		pn->mn_deleted = 1;
 		LIST_REMOVE(pn, mn_sibling);
 		LIST_FOREACH(vd, &pn->mn_vnodes, mv_link) {
 			cache_purge(vd->mv_vnode);
 			vhold(vd->mv_vnode);
 			taskqueue_enqueue(taskqueue_thread, &vd->mv_task);
 		}
 		mqnode_release(pn);
 		mqnode_release(parent);
 	} else
 		error = ENOENT;
 	return (error);
 }
 
 #if 0
 struct vop_remove_args {
 	struct vnode *a_dvp;
 	struct vnode *a_vp;
 	struct componentname *a_cnp;
 };
 #endif
 
 /*
  * vnode removal operation
  */
 static int
 mqfs_remove(struct vop_remove_args *ap)
 {
 	struct mqfs_info *mqfs = VFSTOMQFS(ap->a_dvp->v_mount);
 	struct mqfs_node *pn;
 	int error;
 
 	if (ap->a_vp->v_type == VDIR)
                 return (EPERM);
 	pn = VTON(ap->a_vp);
 	sx_xlock(&mqfs->mi_lock);
 	error = do_unlink(pn, ap->a_cnp->cn_cred);
 	sx_xunlock(&mqfs->mi_lock);
 	return (error);
 }
 
 #if 0
 struct vop_inactive_args {
 	struct vnode *a_vp;
 	struct thread *a_td;
 };
 #endif
 
 static int
 mqfs_inactive(struct vop_inactive_args *ap)
 {
 	struct mqfs_node *pn = VTON(ap->a_vp);
 
 	if (pn->mn_deleted)
 		vrecycle(ap->a_vp);
 	return (0);
 }
 
 #if 0
 struct vop_reclaim_args {
 	struct vop_generic_args a_gen;
 	struct vnode *a_vp;
 };
 #endif
 
 static int
 mqfs_reclaim(struct vop_reclaim_args *ap)
 {
 	struct mqfs_info *mqfs = VFSTOMQFS(ap->a_vp->v_mount);
 	struct vnode *vp = ap->a_vp;
 	struct mqfs_node *pn;
 	struct mqfs_vdata *vd;
 
 	vd = vp->v_data;
 	pn = vd->mv_node;
 	sx_xlock(&mqfs->mi_lock);
 	vp->v_data = NULL;
 	LIST_REMOVE(vd, mv_link);
 	mqnode_release(pn);
 	sx_xunlock(&mqfs->mi_lock);
 	uma_zfree(mvdata_zone, vd);
 	return (0);
 }
 
 #if 0
 struct vop_open_args {
 	struct vop_generic_args a_gen;
 	struct vnode *a_vp;
 	int a_mode;
 	struct ucred *a_cred;
 	struct thread *a_td;
 	struct file *a_fp;
 };
 #endif
 
 static int
 mqfs_open(struct vop_open_args *ap)
 {
 	return (0);
 }
 
 #if 0
 struct vop_close_args {
 	struct vop_generic_args a_gen;
 	struct vnode *a_vp;
 	int a_fflag;
 	struct ucred *a_cred;
 	struct thread *a_td;
 };
 #endif
 
 static int
 mqfs_close(struct vop_close_args *ap)
 {
 	return (0);
 }
 
 #if 0
 struct vop_access_args {
 	struct vop_generic_args a_gen;
 	struct vnode *a_vp;
 	accmode_t a_accmode;
 	struct ucred *a_cred;
 	struct thread *a_td;
 };
 #endif
 
 /*
  * Verify permissions
  */
 static int
 mqfs_access(struct vop_access_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct vattr vattr;
 	int error;
 
 	error = VOP_GETATTR(vp, &vattr, ap->a_cred);
 	if (error)
 		return (error);
 	error = vaccess(vp->v_type, vattr.va_mode, vattr.va_uid, vattr.va_gid,
 	    ap->a_accmode, ap->a_cred);
 	return (error);
 }
 
 #if 0
 struct vop_getattr_args {
 	struct vop_generic_args a_gen;
 	struct vnode *a_vp;
 	struct vattr *a_vap;
 	struct ucred *a_cred;
 };
 #endif
 
 /*
  * Get file attributes
  */
 static int
 mqfs_getattr(struct vop_getattr_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct mqfs_node *pn = VTON(vp);
 	struct vattr *vap = ap->a_vap;
 	int error = 0;
 
 	vap->va_type = vp->v_type;
 	vap->va_mode = pn->mn_mode;
 	vap->va_nlink = 1;
 	vap->va_uid = pn->mn_uid;
 	vap->va_gid = pn->mn_gid;
 	vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0];
 	vap->va_fileid = pn->mn_fileno;
 	vap->va_size = 0;
 	vap->va_blocksize = PAGE_SIZE;
 	vap->va_bytes = vap->va_size = 0;
 	vap->va_atime = pn->mn_atime;
 	vap->va_mtime = pn->mn_mtime;
 	vap->va_ctime = pn->mn_ctime;
 	vap->va_birthtime = pn->mn_birth;
 	vap->va_gen = 0;
 	vap->va_flags = 0;
 	vap->va_rdev = NODEV;
 	vap->va_bytes = 0;
 	vap->va_filerev = 0;
 	return (error);
 }
 
 #if 0
 struct vop_setattr_args {
 	struct vop_generic_args a_gen;
 	struct vnode *a_vp;
 	struct vattr *a_vap;
 	struct ucred *a_cred;
 };
 #endif
 /*
  * Set attributes
  */
 static int
 mqfs_setattr(struct vop_setattr_args *ap)
 {
 	struct mqfs_node *pn;
 	struct vattr *vap;
 	struct vnode *vp;
 	struct thread *td;
 	int c, error;
 	uid_t uid;
 	gid_t gid;
 
 	td = curthread;
 	vap = ap->a_vap;
 	vp = ap->a_vp;
 	if (vap->va_type != VNON ||
 	    vap->va_nlink != VNOVAL ||
 	    vap->va_fsid != VNOVAL ||
 	    vap->va_fileid != VNOVAL ||
 	    vap->va_blocksize != VNOVAL ||
 	    (vap->va_flags != VNOVAL && vap->va_flags != 0) ||
 	    vap->va_rdev != VNOVAL ||
 	    (int)vap->va_bytes != VNOVAL ||
 	    vap->va_gen != VNOVAL) {
 		return (EINVAL);
 	}
 
 	pn = VTON(vp);
 
 	error = c = 0;
 	if (vap->va_uid == (uid_t)VNOVAL)
 		uid = pn->mn_uid;
 	else
 		uid = vap->va_uid;
 	if (vap->va_gid == (gid_t)VNOVAL)
 		gid = pn->mn_gid;
 	else
 		gid = vap->va_gid;
 
 	if (uid != pn->mn_uid || gid != pn->mn_gid) {
 		/*
 		 * To modify the ownership of a file, must possess VADMIN
 		 * for that file.
 		 */
 		if ((error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td)))
 			return (error);
 
 		/*
 		 * XXXRW: Why is there a privilege check here: shouldn't the
 		 * check in VOP_ACCESS() be enough?  Also, are the group bits
 		 * below definitely right?
 		 */
 		if ((ap->a_cred->cr_uid != pn->mn_uid || uid != pn->mn_uid ||
 		    (gid != pn->mn_gid && !groupmember(gid, ap->a_cred))) &&
 		    (error = priv_check(td, PRIV_MQ_ADMIN)) != 0)
 			return (error);
 		pn->mn_uid = uid;
 		pn->mn_gid = gid;
 		c = 1;
 	}
 
 	if (vap->va_mode != (mode_t)VNOVAL) {
 		if (ap->a_cred->cr_uid != pn->mn_uid &&
 		    (error = priv_check(td, PRIV_MQ_ADMIN)))
 			return (error);
 		pn->mn_mode = vap->va_mode;
 		c = 1;
 	}
 
 	if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
 		/* See the comment in ufs_vnops::ufs_setattr(). */
 		if ((error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td)) &&
 		    ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
 		    (error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td))))
 			return (error);
 		if (vap->va_atime.tv_sec != VNOVAL) {
 			pn->mn_atime = vap->va_atime;
 		}
 		if (vap->va_mtime.tv_sec != VNOVAL) {
 			pn->mn_mtime = vap->va_mtime;
 		}
 		c = 1;
 	}
 	if (c) {
 		vfs_timestamp(&pn->mn_ctime);
 	}
 	return (0);
 }
 
 #if 0
 struct vop_read_args {
 	struct vop_generic_args a_gen;
 	struct vnode *a_vp;
 	struct uio *a_uio;
 	int a_ioflag;
 	struct ucred *a_cred;
 };
 #endif
 
 /*
  * Read from a file
  */
 static int
 mqfs_read(struct vop_read_args *ap)
 {
 	char buf[80];
 	struct vnode *vp = ap->a_vp;
 	struct uio *uio = ap->a_uio;
 	struct mqueue *mq;
 	int len, error;
 
 	if (vp->v_type != VREG)
 		return (EINVAL);
 
 	mq = VTOMQ(vp);
 	snprintf(buf, sizeof(buf),
 	    "QSIZE:%-10ld MAXMSG:%-10ld CURMSG:%-10ld MSGSIZE:%-10ld\n",
 	    mq->mq_totalbytes,
 	    mq->mq_maxmsg,
 	    mq->mq_curmsgs,
 	    mq->mq_msgsize);
 	buf[sizeof(buf)-1] = '\0';
 	len = strlen(buf);
 	error = uiomove_frombuf(buf, len, uio);
 	return (error);
 }
 
 #if 0
 struct vop_readdir_args {
 	struct vop_generic_args a_gen;
 	struct vnode *a_vp;
 	struct uio *a_uio;
 	struct ucred *a_cred;
 	int *a_eofflag;
 	int *a_ncookies;
 	uint64_t **a_cookies;
 };
 #endif
 
 /*
  * Return directory entries.
  */
 static int
 mqfs_readdir(struct vop_readdir_args *ap)
 {
 	struct vnode *vp;
 	struct mqfs_info *mi;
 	struct mqfs_node *pd;
 	struct mqfs_node *pn;
 	struct dirent entry;
 	struct uio *uio;
 	const void *pr_root;
 	int *tmp_ncookies = NULL;
 	off_t offset;
 	int error, i;
 
 	vp = ap->a_vp;
 	mi = VFSTOMQFS(vp->v_mount);
 	pd = VTON(vp);
 	uio = ap->a_uio;
 
 	if (vp->v_type != VDIR)
 		return (ENOTDIR);
 
 	if (uio->uio_offset < 0)
 		return (EINVAL);
 
 	if (ap->a_ncookies != NULL) {
 		tmp_ncookies = ap->a_ncookies;
 		*ap->a_ncookies = 0;
 		ap->a_ncookies = NULL;
         }
 
 	error = 0;
 	offset = 0;
 
 	pr_root = ap->a_cred->cr_prison->pr_root;
 	sx_xlock(&mi->mi_lock);
 
 	LIST_FOREACH(pn, &pd->mn_children, mn_sibling) {
 		entry.d_reclen = sizeof(entry);
 
 		/*
 		 * Only show names within the same prison root directory
 		 * (or not associated with a prison, e.g. "." and "..").
 		 */
 		if (pn->mn_pr_root != NULL && pn->mn_pr_root != pr_root)
 			continue;
 		if (!pn->mn_fileno)
 			mqfs_fileno_alloc(mi, pn);
 		entry.d_fileno = pn->mn_fileno;
 		entry.d_off = offset + entry.d_reclen;
 		for (i = 0; i < MQFS_NAMELEN - 1 && pn->mn_name[i] != '\0'; ++i)
 			entry.d_name[i] = pn->mn_name[i];
 		entry.d_namlen = i;
 		switch (pn->mn_type) {
 		case mqfstype_root:
 		case mqfstype_dir:
 		case mqfstype_this:
 		case mqfstype_parent:
 			entry.d_type = DT_DIR;
 			break;
 		case mqfstype_file:
 			entry.d_type = DT_REG;
 			break;
 		case mqfstype_symlink:
 			entry.d_type = DT_LNK;
 			break;
 		default:
 			panic("%s has unexpected node type: %d", pn->mn_name,
 				pn->mn_type);
 		}
 		dirent_terminate(&entry);
 		if (entry.d_reclen > uio->uio_resid)
                         break;
 		if (offset >= uio->uio_offset) {
 			error = vfs_read_dirent(ap, &entry, offset);
                         if (error)
                                 break;
                 }
                 offset += entry.d_reclen;
 	}
 	sx_xunlock(&mi->mi_lock);
 
 	uio->uio_offset = offset;
 
 	if (tmp_ncookies != NULL)
 		ap->a_ncookies = tmp_ncookies;
 
 	return (error);
 }
 
 #ifdef notyet
 
 #if 0
 struct vop_mkdir_args {
 	struct vnode *a_dvp;
 	struvt vnode **a_vpp;
 	struvt componentname *a_cnp;
 	struct vattr *a_vap;
 };
 #endif
 
 /*
  * Create a directory.
  */
 static int
 mqfs_mkdir(struct vop_mkdir_args *ap)
 {
 	struct mqfs_info *mqfs = VFSTOMQFS(ap->a_dvp->v_mount);
 	struct componentname *cnp = ap->a_cnp;
 	struct mqfs_node *pd = VTON(ap->a_dvp);
 	struct mqfs_node *pn;
 	int error;
 
 	if (pd->mn_type != mqfstype_root && pd->mn_type != mqfstype_dir)
 		return (ENOTDIR);
 	sx_xlock(&mqfs->mi_lock);
 	pn = mqfs_create_dir(pd, cnp->cn_nameptr, cnp->cn_namelen,
 		ap->a_vap->cn_cred, ap->a_vap->va_mode);
 	if (pn != NULL)
 		mqnode_addref(pn);
 	sx_xunlock(&mqfs->mi_lock);
 	if (pn == NULL) {
 		error = ENOSPC;
 	} else {
 		error = mqfs_allocv(ap->a_dvp->v_mount, ap->a_vpp, pn);
 		mqnode_release(pn);
 	}
 	return (error);
 }
 
 #if 0
 struct vop_rmdir_args {
 	struct vnode *a_dvp;
 	struct vnode *a_vp;
 	struct componentname *a_cnp;
 };
 #endif
 
 /*
  * Remove a directory.
  */
 static int
 mqfs_rmdir(struct vop_rmdir_args *ap)
 {
 	struct mqfs_info *mqfs = VFSTOMQFS(ap->a_dvp->v_mount);
 	struct mqfs_node *pn = VTON(ap->a_vp);
 	struct mqfs_node *pt;
 
 	if (pn->mn_type != mqfstype_dir)
 		return (ENOTDIR);
 
 	sx_xlock(&mqfs->mi_lock);
 	if (pn->mn_deleted) {
 		sx_xunlock(&mqfs->mi_lock);
 		return (ENOENT);
 	}
 
 	pt = LIST_FIRST(&pn->mn_children);
 	pt = LIST_NEXT(pt, mn_sibling);
 	pt = LIST_NEXT(pt, mn_sibling);
 	if (pt != NULL) {
 		sx_xunlock(&mqfs->mi_lock);
 		return (ENOTEMPTY);
 	}
 	pt = pn->mn_parent;
 	pn->mn_parent = NULL;
 	pn->mn_deleted = 1;
 	LIST_REMOVE(pn, mn_sibling);
 	mqnode_release(pn);
 	mqnode_release(pt);
 	sx_xunlock(&mqfs->mi_lock);
 	cache_purge(ap->a_vp);
 	return (0);
 }
 
 #endif /* notyet */
 
 /*
  * See if this prison root is obsolete, and clean up associated queues if it is.
  */
 static int
 mqfs_prison_remove(void *obj, void *data __unused)
 {
 	const struct prison *pr = obj;
 	struct prison *tpr;
 	struct mqfs_node *pn, *tpn;
 	struct vnode *pr_root;
 
 	pr_root = pr->pr_root;
 	if (pr->pr_parent->pr_root == pr_root)
 		return (0);
 	TAILQ_FOREACH(tpr, &allprison, pr_list) {
 		if (tpr != pr && tpr->pr_root == pr_root)
 			return (0);
 	}
 	/*
 	 * No jails are rooted in this directory anymore,
 	 * so no queues should be either.
 	 */
 	sx_xlock(&mqfs_data.mi_lock);
 	LIST_FOREACH_SAFE(pn, &mqfs_data.mi_root->mn_children,
 	    mn_sibling, tpn) {
 		if (pn->mn_pr_root == pr_root)
 			(void)do_unlink(pn, curthread->td_ucred);
 	}
 	sx_xunlock(&mqfs_data.mi_lock);
 	return (0);
 }
 
 /*
  * Allocate a message queue
  */
 static struct mqueue *
 mqueue_alloc(const struct mq_attr *attr)
 {
 	struct mqueue *mq;
 
 	if (curmq >= maxmq)
 		return (NULL);
 	mq = uma_zalloc(mqueue_zone, M_WAITOK | M_ZERO);
 	TAILQ_INIT(&mq->mq_msgq);
 	if (attr != NULL) {
 		mq->mq_maxmsg = attr->mq_maxmsg;
 		mq->mq_msgsize = attr->mq_msgsize;
 	} else {
 		mq->mq_maxmsg = default_maxmsg;
 		mq->mq_msgsize = default_msgsize;
 	}
 	mtx_init(&mq->mq_mutex, "mqueue lock", NULL, MTX_DEF);
 	knlist_init_mtx(&mq->mq_rsel.si_note, &mq->mq_mutex);
 	knlist_init_mtx(&mq->mq_wsel.si_note, &mq->mq_mutex);
 	atomic_add_int(&curmq, 1);
 	return (mq);
 }
 
 /*
  * Destroy a message queue
  */
 static void
 mqueue_free(struct mqueue *mq)
 {
 	struct mqueue_msg *msg;
 
 	while ((msg = TAILQ_FIRST(&mq->mq_msgq)) != NULL) {
 		TAILQ_REMOVE(&mq->mq_msgq, msg, msg_link);
 		free(msg, M_MQUEUEDATA);
 	}
 
 	mtx_destroy(&mq->mq_mutex);
 	seldrain(&mq->mq_rsel);
 	seldrain(&mq->mq_wsel);
 	knlist_destroy(&mq->mq_rsel.si_note);
 	knlist_destroy(&mq->mq_wsel.si_note);
 	uma_zfree(mqueue_zone, mq);
 	atomic_add_int(&curmq, -1);
 }
 
 /*
  * Load a message from user space
  */
 static struct mqueue_msg *
 mqueue_loadmsg(const char *msg_ptr, size_t msg_size, int msg_prio)
 {
 	struct mqueue_msg *msg;
 	size_t len;
 	int error;
 
 	len = sizeof(struct mqueue_msg) + msg_size;
 	msg = malloc(len, M_MQUEUEDATA, M_WAITOK);
 	error = copyin(msg_ptr, ((char *)msg) + sizeof(struct mqueue_msg),
 	    msg_size);
 	if (error) {
 		free(msg, M_MQUEUEDATA);
 		msg = NULL;
 	} else {
 		msg->msg_size = msg_size;
 		msg->msg_prio = msg_prio;
 	}
 	return (msg);
 }
 
 /*
  * Save a message to user space
  */
 static int
 mqueue_savemsg(struct mqueue_msg *msg, char *msg_ptr, int *msg_prio)
 {
 	int error;
 
 	error = copyout(((char *)msg) + sizeof(*msg), msg_ptr,
 		msg->msg_size);
 	if (error == 0 && msg_prio != NULL)
 		error = copyout(&msg->msg_prio, msg_prio, sizeof(int));
 	return (error);
 }
 
 /*
  * Free a message's memory
  */
 static __inline void
 mqueue_freemsg(struct mqueue_msg *msg)
 {
 	free(msg, M_MQUEUEDATA);
 }
 
 /*
  * Send a message. if waitok is false, thread will not be
  * blocked if there is no data in queue, otherwise, absolute
  * time will be checked.
  */
 int
 mqueue_send(struct mqueue *mq, const char *msg_ptr,
 	size_t msg_len, unsigned msg_prio, int waitok,
 	const struct timespec *abs_timeout)
 {
 	struct mqueue_msg *msg;
 	struct timespec ts, ts2;
 	struct timeval tv;
 	int error;
 
 	if (msg_prio >= MQ_PRIO_MAX)
 		return (EINVAL);
 	if (msg_len > mq->mq_msgsize)
 		return (EMSGSIZE);
 	msg = mqueue_loadmsg(msg_ptr, msg_len, msg_prio);
 	if (msg == NULL)
 		return (EFAULT);
 
 	/* O_NONBLOCK case */
 	if (!waitok) {
 		error = _mqueue_send(mq, msg, -1);
 		if (error)
 			goto bad;
 		return (0);
 	}
 
 	/* we allow a null timeout (wait forever) */
 	if (abs_timeout == NULL) {
 		error = _mqueue_send(mq, msg, 0);
 		if (error)
 			goto bad;
 		return (0);
 	}
 
 	/* send it before checking time */
 	error = _mqueue_send(mq, msg, -1);
 	if (error == 0)
 		return (0);
 
 	if (error != EAGAIN)
 		goto bad;
 
 	if (abs_timeout->tv_nsec >= 1000000000 || abs_timeout->tv_nsec < 0) {
 		error = EINVAL;
 		goto bad;
 	}
 	for (;;) {
 		getnanotime(&ts);
 		timespecsub(abs_timeout, &ts, &ts2);
 		if (ts2.tv_sec < 0 || (ts2.tv_sec == 0 && ts2.tv_nsec <= 0)) {
 			error = ETIMEDOUT;
 			break;
 		}
 		TIMESPEC_TO_TIMEVAL(&tv, &ts2);
 		error = _mqueue_send(mq, msg, tvtohz(&tv));
 		if (error != ETIMEDOUT)
 			break;
 	}
 	if (error == 0)
 		return (0);
 bad:
 	mqueue_freemsg(msg);
 	return (error);
 }
 
 /*
  * Common routine to send a message
  */
 static int
 _mqueue_send(struct mqueue *mq, struct mqueue_msg *msg, int timo)
 {	
 	struct mqueue_msg *msg2;
 	int error = 0;
 
 	mtx_lock(&mq->mq_mutex);
 	while (mq->mq_curmsgs >= mq->mq_maxmsg && error == 0) {
 		if (timo < 0) {
 			mtx_unlock(&mq->mq_mutex);
 			return (EAGAIN);
 		}
 		mq->mq_senders++;
 		error = msleep(&mq->mq_senders, &mq->mq_mutex,
 			    PCATCH, "mqsend", timo);
 		mq->mq_senders--;
 		if (error == EAGAIN)
 			error = ETIMEDOUT;
 	}
 	if (mq->mq_curmsgs >= mq->mq_maxmsg) {
 		mtx_unlock(&mq->mq_mutex);
 		return (error);
 	}
 	error = 0;
 	if (TAILQ_EMPTY(&mq->mq_msgq)) {
 		TAILQ_INSERT_HEAD(&mq->mq_msgq, msg, msg_link);
 	} else {
 		if (msg->msg_prio <= TAILQ_LAST(&mq->mq_msgq, msgq)->msg_prio) {
 			TAILQ_INSERT_TAIL(&mq->mq_msgq, msg, msg_link);
 		} else {
 			TAILQ_FOREACH(msg2, &mq->mq_msgq, msg_link) {
 				if (msg2->msg_prio < msg->msg_prio)
 					break;
 			}
 			TAILQ_INSERT_BEFORE(msg2, msg, msg_link);
 		}
 	}
 	mq->mq_curmsgs++;
 	mq->mq_totalbytes += msg->msg_size;
 	if (mq->mq_receivers)
 		wakeup_one(&mq->mq_receivers);
 	else if (mq->mq_notifier != NULL)
 		mqueue_send_notification(mq);
 	if (mq->mq_flags & MQ_RSEL) {
 		mq->mq_flags &= ~MQ_RSEL;
 		selwakeup(&mq->mq_rsel);
 	}
 	KNOTE_LOCKED(&mq->mq_rsel.si_note, 0);
 	mtx_unlock(&mq->mq_mutex);
 	return (0);
 }
 
 /*
  * Send realtime a signal to process which registered itself
  * successfully by mq_notify.
  */
 static void
 mqueue_send_notification(struct mqueue *mq)
 {
 	struct mqueue_notifier *nt;
 	struct thread *td;
 	struct proc *p;
 	int error;
 
 	mtx_assert(&mq->mq_mutex, MA_OWNED);
 	nt = mq->mq_notifier;
 	if (nt->nt_sigev.sigev_notify != SIGEV_NONE) {
 		p = nt->nt_proc;
 		error = sigev_findtd(p, &nt->nt_sigev, &td);
 		if (error) {
 			mq->mq_notifier = NULL;
 			return;
 		}
 		if (!KSI_ONQ(&nt->nt_ksi)) {
 			ksiginfo_set_sigev(&nt->nt_ksi, &nt->nt_sigev);
 			tdsendsignal(p, td, nt->nt_ksi.ksi_signo, &nt->nt_ksi);
 		}
 		PROC_UNLOCK(p);
 	}
 	mq->mq_notifier = NULL;
 }
 
 /*
  * Get a message. if waitok is false, thread will not be
  * blocked if there is no data in queue, otherwise, absolute
  * time will be checked.
  */
 int
 mqueue_receive(struct mqueue *mq, char *msg_ptr,
 	size_t msg_len, unsigned *msg_prio, int waitok,
 	const struct timespec *abs_timeout)
 {
 	struct mqueue_msg *msg;
 	struct timespec ts, ts2;
 	struct timeval tv;
 	int error;
 
 	if (msg_len < mq->mq_msgsize)
 		return (EMSGSIZE);
 
 	/* O_NONBLOCK case */
 	if (!waitok) {
 		error = _mqueue_recv(mq, &msg, -1);
 		if (error)
 			return (error);
 		goto received;
 	}
 
 	/* we allow a null timeout (wait forever). */
 	if (abs_timeout == NULL) {
 		error = _mqueue_recv(mq, &msg, 0);
 		if (error)
 			return (error);
 		goto received;
 	}
 
 	/* try to get a message before checking time */
 	error = _mqueue_recv(mq, &msg, -1);
 	if (error == 0)
 		goto received;
 
 	if (error != EAGAIN)
 		return (error);
 
 	if (abs_timeout->tv_nsec >= 1000000000 || abs_timeout->tv_nsec < 0) {
 		error = EINVAL;
 		return (error);
 	}
 
 	for (;;) {
 		getnanotime(&ts);
 		timespecsub(abs_timeout, &ts, &ts2);
 		if (ts2.tv_sec < 0 || (ts2.tv_sec == 0 && ts2.tv_nsec <= 0)) {
 			error = ETIMEDOUT;
 			return (error);
 		}
 		TIMESPEC_TO_TIMEVAL(&tv, &ts2);
 		error = _mqueue_recv(mq, &msg, tvtohz(&tv));
 		if (error == 0)
 			break;
 		if (error != ETIMEDOUT)
 			return (error);
 	}
 
 received:
 	error = mqueue_savemsg(msg, msg_ptr, msg_prio);
 	if (error == 0) {
 		curthread->td_retval[0] = msg->msg_size;
 		curthread->td_retval[1] = 0;
 	}
 	mqueue_freemsg(msg);
 	return (error);
 }
 
 /*
  * Common routine to receive a message
  */
 static int
 _mqueue_recv(struct mqueue *mq, struct mqueue_msg **msg, int timo)
 {	
 	int error = 0;
 
 	mtx_lock(&mq->mq_mutex);
 	while ((*msg = TAILQ_FIRST(&mq->mq_msgq)) == NULL && error == 0) {
 		if (timo < 0) {
 			mtx_unlock(&mq->mq_mutex);
 			return (EAGAIN);
 		}
 		mq->mq_receivers++;
 		error = msleep(&mq->mq_receivers, &mq->mq_mutex,
 			    PCATCH, "mqrecv", timo);
 		mq->mq_receivers--;
 		if (error == EAGAIN)
 			error = ETIMEDOUT;
 	}
 	if (*msg != NULL) {
 		error = 0;
 		TAILQ_REMOVE(&mq->mq_msgq, *msg, msg_link);
 		mq->mq_curmsgs--;
 		mq->mq_totalbytes -= (*msg)->msg_size;
 		if (mq->mq_senders)
 			wakeup_one(&mq->mq_senders);
 		if (mq->mq_flags & MQ_WSEL) {
 			mq->mq_flags &= ~MQ_WSEL;
 			selwakeup(&mq->mq_wsel);
 		}
 		KNOTE_LOCKED(&mq->mq_wsel.si_note, 0);
 	}
 	if (mq->mq_notifier != NULL && mq->mq_receivers == 0 &&
 	    !TAILQ_EMPTY(&mq->mq_msgq)) {
 		mqueue_send_notification(mq);
 	}
 	mtx_unlock(&mq->mq_mutex);
 	return (error);
 }
 
 static __inline struct mqueue_notifier *
 notifier_alloc(void)
 {
 	return (uma_zalloc(mqnoti_zone, M_WAITOK | M_ZERO));
 }
 
 static __inline void
 notifier_free(struct mqueue_notifier *p)
 {
 	uma_zfree(mqnoti_zone, p);
 }
 
 static struct mqueue_notifier *
 notifier_search(struct proc *p, int fd)
 {
 	struct mqueue_notifier *nt;
 
 	LIST_FOREACH(nt, &p->p_mqnotifier, nt_link) {
 		if (nt->nt_ksi.ksi_mqd == fd)
 			break;
 	}
 	return (nt);
 }
 
 static __inline void
 notifier_insert(struct proc *p, struct mqueue_notifier *nt)
 {
 	LIST_INSERT_HEAD(&p->p_mqnotifier, nt, nt_link);
 }
 
 static __inline void
 notifier_delete(struct proc *p, struct mqueue_notifier *nt)
 {
 	LIST_REMOVE(nt, nt_link);
 	notifier_free(nt);
 }
 
 static void
 notifier_remove(struct proc *p, struct mqueue *mq, int fd)
 {
 	struct mqueue_notifier *nt;
 
 	mtx_assert(&mq->mq_mutex, MA_OWNED);
 	PROC_LOCK(p);
 	nt = notifier_search(p, fd);
 	if (nt != NULL) {
 		if (mq->mq_notifier == nt)
 			mq->mq_notifier = NULL;
 		sigqueue_take(&nt->nt_ksi);
 		notifier_delete(p, nt);
 	}
 	PROC_UNLOCK(p);
 }
 
 int
 kern_kmq_open(struct thread *td, const char *upath, int flags, mode_t mode,
     const struct mq_attr *attr)
 {
 	char *path, pathbuf[MQFS_NAMELEN + 1];
 	struct mqfs_node *pn;
 	struct pwddesc *pdp;
 	struct file *fp;
 	struct mqueue *mq;
 	int fd, error, len, cmode;
 
 	AUDIT_ARG_FFLAGS(flags);
 	AUDIT_ARG_MODE(mode);
 
 	pdp = td->td_proc->p_pd;
 	cmode = ((mode & ~pdp->pd_cmask) & ALLPERMS) & ~S_ISTXT;
 	mq = NULL;
 	if ((flags & O_CREAT) != 0 && attr != NULL) {
 		if (attr->mq_maxmsg <= 0 || attr->mq_maxmsg > maxmsg)
 			return (EINVAL);
 		if (attr->mq_msgsize <= 0 || attr->mq_msgsize > maxmsgsize)
 			return (EINVAL);
 	}
 
 	path = pathbuf;
 	error = copyinstr(upath, path, MQFS_NAMELEN + 1, NULL);
         if (error)
 		return (error);
 
 	/*
 	 * The first character of name may be a slash (/) character
 	 * and the remaining characters of name cannot include any slash
 	 * characters. 
 	 */
 	len = strlen(path);
 	if (len < 2 || strchr(path + 1, '/') != NULL)
 		return (EINVAL);
 	if (path[0] == '/') {
 		path++;
 		len--;
 	}
 	/*
 	 * "." and ".." are magic directories, populated on the fly, and cannot
 	 * be opened as queues.
 	 */
 	if (strcmp(path, ".") == 0 || strcmp(path, "..") == 0)
 		return (EINVAL);
 	AUDIT_ARG_UPATH1_CANON(pathbuf);
 
 	error = falloc(td, &fp, &fd, O_CLOEXEC);
 	if (error)
 		return (error);
 
 	sx_xlock(&mqfs_data.mi_lock);
 	pn = mqfs_search(mqfs_data.mi_root, path, len, td->td_ucred);
 	if (pn == NULL) {
 		if (!(flags & O_CREAT)) {
 			error = ENOENT;
 		} else {
 			mq = mqueue_alloc(attr);
 			if (mq == NULL) {
 				error = ENFILE;
 			} else {
 				pn = mqfs_create_file(mqfs_data.mi_root,
 				         path, len, td->td_ucred,
 					 cmode);
 				if (pn == NULL) {
 					error = ENOSPC;
 					mqueue_free(mq);
 				}
 			}
 		}
 
 		if (error == 0) {
 			pn->mn_data = mq;
 		}
 	} else {
 		if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) {
 			error = EEXIST;
 		} else {
 			accmode_t accmode = 0;
 
 			if (flags & FREAD)
 				accmode |= VREAD;
 			if (flags & FWRITE)
 				accmode |= VWRITE;
 			error = vaccess(VREG, pn->mn_mode, pn->mn_uid,
 			    pn->mn_gid, accmode, td->td_ucred);
 		}
 	}
 
 	if (error) {
 		sx_xunlock(&mqfs_data.mi_lock);
 		fdclose(td, fp, fd);
 		fdrop(fp, td);
 		return (error);
 	}
 
 	mqnode_addref(pn);
 	sx_xunlock(&mqfs_data.mi_lock);
 
 	finit(fp, flags & (FREAD | FWRITE | O_NONBLOCK), DTYPE_MQUEUE, pn,
 	    &mqueueops);
 
 	td->td_retval[0] = fd;
 	fdrop(fp, td);
 	return (0);
 }
 
 /*
  * Syscall to open a message queue.
  */
 int
 sys_kmq_open(struct thread *td, struct kmq_open_args *uap)
 {
 	struct mq_attr attr;
 	int flags, error;
 
 	if ((uap->flags & O_ACCMODE) == O_ACCMODE || uap->flags & O_EXEC)
 		return (EINVAL);
 	flags = FFLAGS(uap->flags);
 	if ((flags & O_CREAT) != 0 && uap->attr != NULL) {
 		error = copyin(uap->attr, &attr, sizeof(attr));
 		if (error)
 			return (error);
 	}
 	return (kern_kmq_open(td, uap->path, flags, uap->mode,
 	    uap->attr != NULL ? &attr : NULL));
 }
 
 /*
  * Syscall to unlink a message queue.
  */
 int
 sys_kmq_unlink(struct thread *td, struct kmq_unlink_args *uap)
 {
 	char *path, pathbuf[MQFS_NAMELEN + 1];
 	struct mqfs_node *pn;
 	int error, len;
 
 	path = pathbuf;
 	error = copyinstr(uap->path, path, MQFS_NAMELEN + 1, NULL);
         if (error)
 		return (error);
 
 	len = strlen(path);
 	if (len < 2 || strchr(path + 1, '/') != NULL)
 		return (EINVAL);
 	if (path[0] == '/') {
 		path++;
 		len--;
 	}
 	if (strcmp(path, ".") == 0 || strcmp(path, "..") == 0)
 		return (EINVAL);
 	AUDIT_ARG_UPATH1_CANON(pathbuf);
 
 	sx_xlock(&mqfs_data.mi_lock);
 	pn = mqfs_search(mqfs_data.mi_root, path, len, td->td_ucred);
 	if (pn != NULL)
 		error = do_unlink(pn, td->td_ucred);
 	else
 		error = ENOENT;
 	sx_xunlock(&mqfs_data.mi_lock);
 	return (error);
 }
 
 typedef int (*_fgetf)(struct thread *, int, const cap_rights_t *,
     struct file **);
 
 /*
  * Get message queue by giving file slot
  */
 static int
 _getmq(struct thread *td, int fd, const cap_rights_t *rightsp, _fgetf func,
        struct file **fpp, struct mqfs_node **ppn, struct mqueue **pmq)
 {
 	struct mqfs_node *pn;
 	int error;
 
 	error = func(td, fd, rightsp, fpp);
 	if (error)
 		return (error);
 	if (&mqueueops != (*fpp)->f_ops) {
 		fdrop(*fpp, td);
 		return (EBADF);
 	}
 	pn = (*fpp)->f_data;
 	if (ppn)
 		*ppn = pn;
 	if (pmq)
 		*pmq = pn->mn_data;
 	return (0);
 }
 
 static __inline int
 getmq(struct thread *td, int fd, struct file **fpp, struct mqfs_node **ppn,
 	struct mqueue **pmq)
 {
 
 	return _getmq(td, fd, &cap_event_rights, fget,
 	    fpp, ppn, pmq);
 }
 
 static __inline int
 getmq_read(struct thread *td, int fd, struct file **fpp,
 	 struct mqfs_node **ppn, struct mqueue **pmq)
 {
 
 	return _getmq(td, fd, &cap_read_rights, fget_read,
 	    fpp, ppn, pmq);
 }
 
 static __inline int
 getmq_write(struct thread *td, int fd, struct file **fpp,
 	struct mqfs_node **ppn, struct mqueue **pmq)
 {
 
 	return _getmq(td, fd, &cap_write_rights, fget_write,
 	    fpp, ppn, pmq);
 }
 
 int
 kern_kmq_setattr(struct thread *td, int mqd, const struct mq_attr *attr,
     struct mq_attr *oattr)
 {
 	struct mqueue *mq;
 	struct file *fp;
 	u_int oflag, flag;
 	int error;
 
 	AUDIT_ARG_FD(mqd);
 	if (attr != NULL && (attr->mq_flags & ~O_NONBLOCK) != 0)
 		return (EINVAL);
 	error = getmq(td, mqd, &fp, NULL, &mq);
 	if (error)
 		return (error);
 	oattr->mq_maxmsg  = mq->mq_maxmsg;
 	oattr->mq_msgsize = mq->mq_msgsize;
 	oattr->mq_curmsgs = mq->mq_curmsgs;
 	if (attr != NULL) {
 		do {
 			oflag = flag = fp->f_flag;
 			flag &= ~O_NONBLOCK;
 			flag |= (attr->mq_flags & O_NONBLOCK);
 		} while (atomic_cmpset_int(&fp->f_flag, oflag, flag) == 0);
 	} else
 		oflag = fp->f_flag;
 	oattr->mq_flags = (O_NONBLOCK & oflag);
 	fdrop(fp, td);
 	return (error);
 }
 
 int
 sys_kmq_setattr(struct thread *td, struct kmq_setattr_args *uap)
 {
 	struct mq_attr attr, oattr;
 	int error;
 
 	if (uap->attr != NULL) {
 		error = copyin(uap->attr, &attr, sizeof(attr));
 		if (error != 0)
 			return (error);
 	}
 	error = kern_kmq_setattr(td, uap->mqd, uap->attr != NULL ? &attr : NULL,
 	    &oattr);
 	if (error == 0 && uap->oattr != NULL) {
 		bzero(oattr.__reserved, sizeof(oattr.__reserved));
 		error = copyout(&oattr, uap->oattr, sizeof(oattr));
 	}
 	return (error);
 }
 
 int
 kern_kmq_timedreceive(struct thread *td, int mqd, char *msg_ptr,
 	size_t msg_len, unsigned int *msg_prio, const struct timespec *abs_timeout)
 {
 	struct mqueue *mq;
 	struct file *fp;
 	int error, waitok;
 
 	AUDIT_ARG_FD(mqd);
 	error = getmq_read(td, mqd, &fp, NULL, &mq);
 	if (error != 0)
 		return (error);
 	waitok = (fp->f_flag & O_NONBLOCK) == 0;
 	error = mqueue_receive(mq, msg_ptr, msg_len, msg_prio, waitok,
 	    abs_timeout);
 	fdrop(fp, td);
 	return (error);
 }
 
 int
 sys_kmq_timedreceive(struct thread *td, struct kmq_timedreceive_args *uap)
 {
 	struct timespec *abs_timeout, ets;
 	int error;
 
 	if (uap->abs_timeout != NULL) {
 		error = copyin(uap->abs_timeout, &ets, sizeof(ets));
 		if (error != 0)
 			return (error);
 		abs_timeout = &ets;
 	} else
 		abs_timeout = NULL;
 
 	return (kern_kmq_timedreceive(td, uap->mqd, uap->msg_ptr, uap->msg_len,
 		uap->msg_prio, abs_timeout));
 }
 
 int
 kern_kmq_timedsend(struct thread *td, int mqd, const char *msg_ptr,
 	size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout)
 {
 	struct mqueue *mq;
 	struct file *fp;
 	int error, waitok;
 
 	AUDIT_ARG_FD(mqd);
 	error = getmq_write(td, mqd, &fp, NULL, &mq);
 	if (error != 0)
 		return (error);
 	waitok = (fp->f_flag & O_NONBLOCK) == 0;
 	error = mqueue_send(mq, msg_ptr, msg_len, msg_prio, waitok,
 		abs_timeout);
 	fdrop(fp, td);
 	return (error);
 }
 
 int
 sys_kmq_timedsend(struct thread *td, struct kmq_timedsend_args *uap)
 {
 	struct timespec *abs_timeout, ets;
 	int error;
 
 	if (uap->abs_timeout != NULL) {
 		error = copyin(uap->abs_timeout, &ets, sizeof(ets));
 		if (error != 0)
 			return (error);
 		abs_timeout = &ets;
 	} else
 		abs_timeout = NULL;
 
 	return (kern_kmq_timedsend(td, uap->mqd, uap->msg_ptr, uap->msg_len,
 		uap->msg_prio, abs_timeout));
 }
 
 int
 kern_kmq_notify(struct thread *td, int mqd, struct sigevent *sigev)
 {
 	struct filedesc *fdp;
 	struct proc *p;
 	struct mqueue *mq;
 	struct file *fp, *fp2;
 	struct mqueue_notifier *nt, *newnt = NULL;
 	int error;
 
 	AUDIT_ARG_FD(mqd);
 	if (sigev != NULL) {
 		if (sigev->sigev_notify != SIGEV_SIGNAL &&
 		    sigev->sigev_notify != SIGEV_THREAD_ID &&
 		    sigev->sigev_notify != SIGEV_NONE)
 			return (EINVAL);
 		if ((sigev->sigev_notify == SIGEV_SIGNAL ||
 		    sigev->sigev_notify == SIGEV_THREAD_ID) &&
 		    !_SIG_VALID(sigev->sigev_signo))
 			return (EINVAL);
 	}
 	p = td->td_proc;
 	fdp = td->td_proc->p_fd;
 	error = getmq(td, mqd, &fp, NULL, &mq);
 	if (error)
 		return (error);
 again:
 	FILEDESC_SLOCK(fdp);
 	fp2 = fget_noref(fdp, mqd);
 	if (fp2 == NULL) {
 		FILEDESC_SUNLOCK(fdp);
 		error = EBADF;
 		goto out;
 	}
 #ifdef CAPABILITIES
 	error = cap_check(cap_rights(fdp, mqd), &cap_event_rights);
 	if (error) {
 		FILEDESC_SUNLOCK(fdp);
 		goto out;
 	}
 #endif
 	if (fp2 != fp) {
 		FILEDESC_SUNLOCK(fdp);
 		error = EBADF;
 		goto out;
 	}
 	mtx_lock(&mq->mq_mutex);
 	FILEDESC_SUNLOCK(fdp);
 	if (sigev != NULL) {
 		if (mq->mq_notifier != NULL) {
 			error = EBUSY;
 		} else {
 			PROC_LOCK(p);
 			nt = notifier_search(p, mqd);
 			if (nt == NULL) {
 				if (newnt == NULL) {
 					PROC_UNLOCK(p);
 					mtx_unlock(&mq->mq_mutex);
 					newnt = notifier_alloc();
 					goto again;
 				}
 			}
 
 			if (nt != NULL) {
 				sigqueue_take(&nt->nt_ksi);
 				if (newnt != NULL) {
 					notifier_free(newnt);
 					newnt = NULL;
 				}
 			} else {
 				nt = newnt;
 				newnt = NULL;
 				ksiginfo_init(&nt->nt_ksi);
 				nt->nt_ksi.ksi_flags |= KSI_INS | KSI_EXT;
 				nt->nt_ksi.ksi_code = SI_MESGQ;
 				nt->nt_proc = p;
 				nt->nt_ksi.ksi_mqd = mqd;
 				notifier_insert(p, nt);
 			}
 			nt->nt_sigev = *sigev;
 			mq->mq_notifier = nt;
 			PROC_UNLOCK(p);
 			/*
 			 * if there is no receivers and message queue
 			 * is not empty, we should send notification
 			 * as soon as possible.
 			 */
 			if (mq->mq_receivers == 0 &&
 			    !TAILQ_EMPTY(&mq->mq_msgq))
 				mqueue_send_notification(mq);
 		}
 	} else {
 		notifier_remove(p, mq, mqd);
 	}
 	mtx_unlock(&mq->mq_mutex);
 
 out:
 	fdrop(fp, td);
 	if (newnt != NULL)
 		notifier_free(newnt);
 	return (error);
 }
 
 int
 sys_kmq_notify(struct thread *td, struct kmq_notify_args *uap)
 {
 	struct sigevent ev, *evp;
 	int error;
 
 	if (uap->sigev == NULL) {
 		evp = NULL;
 	} else {
 		error = copyin(uap->sigev, &ev, sizeof(ev));
 		if (error != 0)
 			return (error);
 		evp = &ev;
 	}
 	return (kern_kmq_notify(td, uap->mqd, evp));
 }
 
 static void
 mqueue_fdclose(struct thread *td, int fd, struct file *fp)
 {
 	struct mqueue *mq;
 #ifdef INVARIANTS
 	struct filedesc *fdp;
 
 	fdp = td->td_proc->p_fd;
 	FILEDESC_LOCK_ASSERT(fdp);
 #endif
 
 	if (fp->f_ops == &mqueueops) {
 		mq = FPTOMQ(fp);
 		mtx_lock(&mq->mq_mutex);
 		notifier_remove(td->td_proc, mq, fd);
 
 		/* have to wakeup thread in same process */
 		if (mq->mq_flags & MQ_RSEL) {
 			mq->mq_flags &= ~MQ_RSEL;
 			selwakeup(&mq->mq_rsel);
 		}
 		if (mq->mq_flags & MQ_WSEL) {
 			mq->mq_flags &= ~MQ_WSEL;
 			selwakeup(&mq->mq_wsel);
 		}
 		mtx_unlock(&mq->mq_mutex);
 	}
 }
 
 static void
 mq_proc_exit(void *arg __unused, struct proc *p)
 {
 	struct filedesc *fdp;
 	struct file *fp;
 	struct mqueue *mq;
 	int i;
 
 	fdp = p->p_fd;
 	FILEDESC_SLOCK(fdp);
 	for (i = 0; i < fdp->fd_nfiles; ++i) {
 		fp = fget_noref(fdp, i);
 		if (fp != NULL && fp->f_ops == &mqueueops) {
 			mq = FPTOMQ(fp);
 			mtx_lock(&mq->mq_mutex);
 			notifier_remove(p, FPTOMQ(fp), i);
 			mtx_unlock(&mq->mq_mutex);
 		}
 	}
 	FILEDESC_SUNLOCK(fdp);
 	KASSERT(LIST_EMPTY(&p->p_mqnotifier), ("mq notifiers left"));
 }
 
 static int
 mqf_poll(struct file *fp, int events, struct ucred *active_cred,
 	struct thread *td)
 {
 	struct mqueue *mq = FPTOMQ(fp);
 	int revents = 0;
 
 	mtx_lock(&mq->mq_mutex);
 	if (events & (POLLIN | POLLRDNORM)) {
 		if (mq->mq_curmsgs) {
 			revents |= events & (POLLIN | POLLRDNORM);
 		} else {
 			mq->mq_flags |= MQ_RSEL;
 			selrecord(td, &mq->mq_rsel);
  		}
 	}
 	if (events & POLLOUT) {
 		if (mq->mq_curmsgs < mq->mq_maxmsg)
 			revents |= POLLOUT;
 		else {
 			mq->mq_flags |= MQ_WSEL;
 			selrecord(td, &mq->mq_wsel);
 		}
 	}
 	mtx_unlock(&mq->mq_mutex);
 	return (revents);
 }
 
 static int
 mqf_close(struct file *fp, struct thread *td)
 {
 	struct mqfs_node *pn;
 
 	fp->f_ops = &badfileops;
 	pn = fp->f_data;
 	fp->f_data = NULL;
 	sx_xlock(&mqfs_data.mi_lock);
 	mqnode_release(pn);
 	sx_xunlock(&mqfs_data.mi_lock);
 	return (0);
 }
 
 static int
 mqf_stat(struct file *fp, struct stat *st, struct ucred *active_cred)
 {
 	struct mqfs_node *pn = fp->f_data;
 
 	bzero(st, sizeof *st);
 	sx_xlock(&mqfs_data.mi_lock);
 	st->st_atim = pn->mn_atime;
 	st->st_mtim = pn->mn_mtime;
 	st->st_ctim = pn->mn_ctime;
 	st->st_birthtim = pn->mn_birth;
 	st->st_uid = pn->mn_uid;
 	st->st_gid = pn->mn_gid;
 	st->st_mode = S_IFIFO | pn->mn_mode;
 	sx_xunlock(&mqfs_data.mi_lock);
 	return (0);
 }
 
 static int
 mqf_chmod(struct file *fp, mode_t mode, struct ucred *active_cred,
     struct thread *td)
 {
 	struct mqfs_node *pn;
 	int error;
 
 	error = 0;
 	pn = fp->f_data;
 	sx_xlock(&mqfs_data.mi_lock);
 	error = vaccess(VREG, pn->mn_mode, pn->mn_uid, pn->mn_gid, VADMIN,
 	    active_cred);
 	if (error != 0)
 		goto out;
 	pn->mn_mode = mode & ACCESSPERMS;
 out:
 	sx_xunlock(&mqfs_data.mi_lock);
 	return (error);
 }
 
 static int
 mqf_chown(struct file *fp, uid_t uid, gid_t gid, struct ucred *active_cred,
     struct thread *td)
 {
 	struct mqfs_node *pn;
 	int error;
 
 	error = 0;
 	pn = fp->f_data;
 	sx_xlock(&mqfs_data.mi_lock);
 	if (uid == (uid_t)-1)
 		uid = pn->mn_uid;
 	if (gid == (gid_t)-1)
 		gid = pn->mn_gid;
 	if (((uid != pn->mn_uid && uid != active_cred->cr_uid) ||
 	    (gid != pn->mn_gid && !groupmember(gid, active_cred))) &&
 	    (error = priv_check_cred(active_cred, PRIV_VFS_CHOWN)))
 		goto out;
 	pn->mn_uid = uid;
 	pn->mn_gid = gid;
 out:
 	sx_xunlock(&mqfs_data.mi_lock);
 	return (error);
 }
 
 static int
 mqf_kqfilter(struct file *fp, struct knote *kn)
 {
 	struct mqueue *mq = FPTOMQ(fp);
 	int error = 0;
 
 	if (kn->kn_filter == EVFILT_READ) {
 		kn->kn_fop = &mq_rfiltops;
 		knlist_add(&mq->mq_rsel.si_note, kn, 0);
 	} else if (kn->kn_filter == EVFILT_WRITE) {
 		kn->kn_fop = &mq_wfiltops;
 		knlist_add(&mq->mq_wsel.si_note, kn, 0);
 	} else
 		error = EINVAL;
 	return (error);
 }
 
 static void
 filt_mqdetach(struct knote *kn)
 {
 	struct mqueue *mq = FPTOMQ(kn->kn_fp);
 
 	if (kn->kn_filter == EVFILT_READ)
 		knlist_remove(&mq->mq_rsel.si_note, kn, 0);
 	else if (kn->kn_filter == EVFILT_WRITE)
 		knlist_remove(&mq->mq_wsel.si_note, kn, 0);
 	else
 		panic("filt_mqdetach");
 }
 
 static int
 filt_mqread(struct knote *kn, long hint)
 {
 	struct mqueue *mq = FPTOMQ(kn->kn_fp);
 
 	mtx_assert(&mq->mq_mutex, MA_OWNED);
 	return (mq->mq_curmsgs != 0);
 }
 
 static int
 filt_mqwrite(struct knote *kn, long hint)
 {
 	struct mqueue *mq = FPTOMQ(kn->kn_fp);
 
 	mtx_assert(&mq->mq_mutex, MA_OWNED);
 	return (mq->mq_curmsgs < mq->mq_maxmsg);
 }
 
 static int
 mqf_fill_kinfo(struct file *fp, struct kinfo_file *kif, struct filedesc *fdp)
 {
 
 	kif->kf_type = KF_TYPE_MQUEUE;
 	return (0);
 }
 
 static const struct fileops mqueueops = {
 	.fo_read		= invfo_rdwr,
 	.fo_write		= invfo_rdwr,
 	.fo_truncate		= invfo_truncate,
 	.fo_ioctl		= invfo_ioctl,
 	.fo_poll		= mqf_poll,
 	.fo_kqfilter		= mqf_kqfilter,
 	.fo_stat		= mqf_stat,
 	.fo_close		= mqf_close,
 	.fo_chmod		= mqf_chmod,
 	.fo_chown		= mqf_chown,
 	.fo_sendfile		= invfo_sendfile,
 	.fo_fill_kinfo		= mqf_fill_kinfo,
 	.fo_cmp			= file_kcmp_generic,
 	.fo_flags		= DFLAG_PASSABLE,
 };
 
 static struct vop_vector mqfs_vnodeops = {
 	.vop_default 		= &default_vnodeops,
 	.vop_access		= mqfs_access,
 	.vop_cachedlookup	= mqfs_lookup,
 	.vop_lookup		= vfs_cache_lookup,
 	.vop_reclaim		= mqfs_reclaim,
 	.vop_create		= mqfs_create,
 	.vop_remove		= mqfs_remove,
 	.vop_inactive		= mqfs_inactive,
 	.vop_open		= mqfs_open,
 	.vop_close		= mqfs_close,
 	.vop_getattr		= mqfs_getattr,
 	.vop_setattr		= mqfs_setattr,
 	.vop_read		= mqfs_read,
 	.vop_write		= VOP_EOPNOTSUPP,
 	.vop_readdir		= mqfs_readdir,
 	.vop_mkdir		= VOP_EOPNOTSUPP,
 	.vop_rmdir		= VOP_EOPNOTSUPP
 };
 VFS_VOP_VECTOR_REGISTER(mqfs_vnodeops);
 
 static struct vfsops mqfs_vfsops = {
 	.vfs_init 		= mqfs_init,
 	.vfs_uninit		= mqfs_uninit,
 	.vfs_mount		= mqfs_mount,
 	.vfs_unmount		= mqfs_unmount,
 	.vfs_root		= mqfs_root,
 	.vfs_statfs		= mqfs_statfs,
 };
 
 static struct vfsconf mqueuefs_vfsconf = {
 	.vfc_version = VFS_VERSION,
 	.vfc_name = "mqueuefs",
 	.vfc_vfsops = &mqfs_vfsops,
 	.vfc_typenum = -1,
 	.vfc_flags = VFCF_SYNTHETIC
 };
 
 static struct syscall_helper_data mq_syscalls[] = {
 	SYSCALL_INIT_HELPER(kmq_open),
 	SYSCALL_INIT_HELPER_F(kmq_setattr, SYF_CAPENABLED),
 	SYSCALL_INIT_HELPER_F(kmq_timedsend, SYF_CAPENABLED),
 	SYSCALL_INIT_HELPER_F(kmq_timedreceive, SYF_CAPENABLED),
 	SYSCALL_INIT_HELPER_F(kmq_notify, SYF_CAPENABLED),
 	SYSCALL_INIT_HELPER(kmq_unlink),
 	SYSCALL_INIT_LAST
 };
 
 #ifdef COMPAT_FREEBSD32
 #include <compat/freebsd32/freebsd32.h>
 #include <compat/freebsd32/freebsd32_proto.h>
 #include <compat/freebsd32/freebsd32_signal.h>
 #include <compat/freebsd32/freebsd32_syscall.h>
 #include <compat/freebsd32/freebsd32_util.h>
 
 static void
 mq_attr_from32(const struct mq_attr32 *from, struct mq_attr *to)
 {
 
 	to->mq_flags = from->mq_flags;
 	to->mq_maxmsg = from->mq_maxmsg;
 	to->mq_msgsize = from->mq_msgsize;
 	to->mq_curmsgs = from->mq_curmsgs;
 }
 
 static void
 mq_attr_to32(const struct mq_attr *from, struct mq_attr32 *to)
 {
 
 	to->mq_flags = from->mq_flags;
 	to->mq_maxmsg = from->mq_maxmsg;
 	to->mq_msgsize = from->mq_msgsize;
 	to->mq_curmsgs = from->mq_curmsgs;
 }
 
 int
 freebsd32_kmq_open(struct thread *td, struct freebsd32_kmq_open_args *uap)
 {
 	struct mq_attr attr;
 	struct mq_attr32 attr32;
 	int flags, error;
 
 	if ((uap->flags & O_ACCMODE) == O_ACCMODE || uap->flags & O_EXEC)
 		return (EINVAL);
 	flags = FFLAGS(uap->flags);
 	if ((flags & O_CREAT) != 0 && uap->attr != NULL) {
 		error = copyin(uap->attr, &attr32, sizeof(attr32));
 		if (error)
 			return (error);
 		mq_attr_from32(&attr32, &attr);
 	}
 	return (kern_kmq_open(td, uap->path, flags, uap->mode,
 	    uap->attr != NULL ? &attr : NULL));
 }
 
 int
 freebsd32_kmq_setattr(struct thread *td, struct freebsd32_kmq_setattr_args *uap)
 {
 	struct mq_attr attr, oattr;
 	struct mq_attr32 attr32, oattr32;
 	int error;
 
 	if (uap->attr != NULL) {
 		error = copyin(uap->attr, &attr32, sizeof(attr32));
 		if (error != 0)
 			return (error);
 		mq_attr_from32(&attr32, &attr);
 	}
 	error = kern_kmq_setattr(td, uap->mqd, uap->attr != NULL ? &attr : NULL,
 	    &oattr);
 	if (error == 0 && uap->oattr != NULL) {
 		mq_attr_to32(&oattr, &oattr32);
 		bzero(oattr32.__reserved, sizeof(oattr32.__reserved));
 		error = copyout(&oattr32, uap->oattr, sizeof(oattr32));
 	}
 	return (error);
 }
 
 int
 freebsd32_kmq_timedsend(struct thread *td,
     struct freebsd32_kmq_timedsend_args *uap)
 {
 	struct timespec32 ets32;
 	struct timespec *abs_timeout, ets;
 	int error;
 
 	if (uap->abs_timeout != NULL) {
 		error = copyin(uap->abs_timeout, &ets32, sizeof(ets32));
 		if (error != 0)
 			return (error);
 		CP(ets32, ets, tv_sec);
 		CP(ets32, ets, tv_nsec);
 		abs_timeout = &ets;
 	} else
 		abs_timeout = NULL;
 
 	return (kern_kmq_timedsend(td, uap->mqd, uap->msg_ptr, uap->msg_len,
 		uap->msg_prio, abs_timeout));
 }
 
 int
 freebsd32_kmq_timedreceive(struct thread *td,
     struct freebsd32_kmq_timedreceive_args *uap)
 {
 	struct timespec32 ets32;
 	struct timespec *abs_timeout, ets;
 	int error;
 
 	if (uap->abs_timeout != NULL) {
 		error = copyin(uap->abs_timeout, &ets32, sizeof(ets32));
 		if (error != 0)
 			return (error);
 		CP(ets32, ets, tv_sec);
 		CP(ets32, ets, tv_nsec);
 		abs_timeout = &ets;
 	} else
 		abs_timeout = NULL;
 
 	return (kern_kmq_timedreceive(td, uap->mqd, uap->msg_ptr, uap->msg_len,
 		uap->msg_prio, abs_timeout));
 }
 
 int
 freebsd32_kmq_notify(struct thread *td, struct freebsd32_kmq_notify_args *uap)
 {
 	struct sigevent ev, *evp;
 	struct sigevent32 ev32;
 	int error;
 
 	if (uap->sigev == NULL) {
 		evp = NULL;
 	} else {
 		error = copyin(uap->sigev, &ev32, sizeof(ev32));
 		if (error != 0)
 			return (error);
 		error = convert_sigevent32(&ev32, &ev);
 		if (error != 0)
 			return (error);
 		evp = &ev;
 	}
 	return (kern_kmq_notify(td, uap->mqd, evp));
 }
 
 static struct syscall_helper_data mq32_syscalls[] = {
 	SYSCALL32_INIT_HELPER(freebsd32_kmq_open),
 	SYSCALL32_INIT_HELPER_F(freebsd32_kmq_setattr, SYF_CAPENABLED),
 	SYSCALL32_INIT_HELPER_F(freebsd32_kmq_timedsend, SYF_CAPENABLED),
 	SYSCALL32_INIT_HELPER_F(freebsd32_kmq_timedreceive, SYF_CAPENABLED),
 	SYSCALL32_INIT_HELPER_F(freebsd32_kmq_notify, SYF_CAPENABLED),
 	SYSCALL32_INIT_HELPER_COMPAT(kmq_unlink),
 	SYSCALL_INIT_LAST
 };
 #endif
 
 static int
 mqinit(void)
 {
 	int error;
 
 	error = syscall_helper_register(mq_syscalls, SY_THR_STATIC_KLD);
 	if (error != 0)
 		return (error);
 #ifdef COMPAT_FREEBSD32
 	error = syscall32_helper_register(mq32_syscalls, SY_THR_STATIC_KLD);
 	if (error != 0)
 		return (error);
 #endif
 	return (0);
 }
 
 static int
 mqunload(void)
 {
 
 #ifdef COMPAT_FREEBSD32
 	syscall32_helper_unregister(mq32_syscalls);
 #endif
 	syscall_helper_unregister(mq_syscalls);
 	return (0);
 }
 
 static int
 mq_modload(struct module *module, int cmd, void *arg)
 {
 	int error = 0;
 
 	error = vfs_modevent(module, cmd, arg);
 	if (error != 0)
 		return (error);
 
 	switch (cmd) {
 	case MOD_LOAD:
 		error = mqinit();
 		if (error != 0)
 			mqunload();
 		break;
 	case MOD_UNLOAD:
 		error = mqunload();
 		break;
 	default:
 		break;
 	}
 	return (error);
 }
 
 static moduledata_t mqueuefs_mod = {
 	"mqueuefs",
 	mq_modload,
 	&mqueuefs_vfsconf
 };
 DECLARE_MODULE(mqueuefs, mqueuefs_mod, SI_SUB_VFS, SI_ORDER_MIDDLE);
 MODULE_VERSION(mqueuefs, 1);
diff --git a/sys/kern/vfs_default.c b/sys/kern/vfs_default.c
index 85f67731e1cc..05d1120030f3 100644
--- a/sys/kern/vfs_default.c
+++ b/sys/kern/vfs_default.c
@@ -1,1644 +1,1644 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * This code is derived from software contributed
  * to Berkeley by John Heidemann of the UCLA Ficus project.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/conf.h>
 #include <sys/event.h>
 #include <sys/filio.h>
 #include <sys/inotify.h>
 #include <sys/kernel.h>
 #include <sys/limits.h>
 #include <sys/lock.h>
 #include <sys/lockf.h>
 #include <sys/malloc.h>
 #include <sys/mount.h>
 #include <sys/namei.h>
 #include <sys/rwlock.h>
 #include <sys/fcntl.h>
 #include <sys/unistd.h>
 #include <sys/vnode.h>
 #include <sys/dirent.h>
 #include <sys/poll.h>
 #include <sys/stat.h>
 #include <security/audit/audit.h>
 #include <sys/priv.h>
 
 #include <security/mac/mac_framework.h>
 
 #include <vm/vm.h>
 #include <vm/vm_object.h>
 #include <vm/vm_extern.h>
 #include <vm/pmap.h>
 #include <vm/vm_map.h>
 #include <vm/vm_page.h>
 #include <vm/vm_pager.h>
 #include <vm/vnode_pager.h>
 
 static int	vop_nolookup(struct vop_lookup_args *);
 static int	vop_norename(struct vop_rename_args *);
 static int	vop_nostrategy(struct vop_strategy_args *);
 static int	dirent_exists(struct vnode *vp, const char *dirname,
 			      struct thread *td);
 
 static int vop_stdis_text(struct vop_is_text_args *ap);
 static int vop_stdunset_text(struct vop_unset_text_args *ap);
 static int vop_stdadd_writecount(struct vop_add_writecount_args *ap);
 static int vop_stdcopy_file_range(struct vop_copy_file_range_args *ap);
 static int vop_stdfdatasync(struct vop_fdatasync_args *ap);
 static int vop_stdgetpages_async(struct vop_getpages_async_args *ap);
 static int vop_stdread_pgcache(struct vop_read_pgcache_args *ap);
 static int vop_stdstat(struct vop_stat_args *ap);
 static int vop_stdvput_pair(struct vop_vput_pair_args *ap);
 static int vop_stdgetlowvnode(struct vop_getlowvnode_args *ap);
 
 /*
  * This vnode table stores what we want to do if the filesystem doesn't
  * implement a particular VOP.
  *
  * If there is no specific entry here, we will return EOPNOTSUPP.
  *
  * Note that every filesystem has to implement either vop_access
  * or vop_accessx; failing to do so will result in immediate crash
  * due to stack overflow, as vop_stdaccess() calls vop_stdaccessx(),
  * which calls vop_stdaccess() etc.
  */
 
 struct vop_vector default_vnodeops = {
 	.vop_default =		NULL,
 	.vop_bypass =		VOP_EOPNOTSUPP,
 
 	.vop_access =		vop_stdaccess,
 	.vop_accessx =		vop_stdaccessx,
 	.vop_advise =		vop_stdadvise,
 	.vop_advlock =		vop_stdadvlock,
 	.vop_advlockasync =	vop_stdadvlockasync,
 	.vop_advlockpurge =	vop_stdadvlockpurge,
 	.vop_allocate =		vop_stdallocate,
 	.vop_deallocate =	vop_stddeallocate,
 	.vop_bmap =		vop_stdbmap,
 	.vop_close =		VOP_NULL,
 	.vop_fsync =		VOP_NULL,
 	.vop_stat =		vop_stdstat,
 	.vop_fdatasync =	vop_stdfdatasync,
 	.vop_getlowvnode =	vop_stdgetlowvnode,
 	.vop_getpages =		vop_stdgetpages,
 	.vop_getpages_async =	vop_stdgetpages_async,
 	.vop_getwritemount =	vop_stdgetwritemount,
 	.vop_inactive =		VOP_NULL,
 	.vop_need_inactive =	vop_stdneed_inactive,
 	.vop_inotify =		vop_stdinotify,
 	.vop_inotify_add_watch = vop_stdinotify_add_watch,
 	.vop_ioctl =		vop_stdioctl,
 	.vop_kqfilter =		vop_stdkqfilter,
 	.vop_islocked =		vop_stdislocked,
 	.vop_lock1 =		vop_stdlock,
 	.vop_lookup =		vop_nolookup,
 	.vop_open =		VOP_NULL,
 	.vop_pathconf =		VOP_EINVAL,
 	.vop_poll =		vop_nopoll,
 	.vop_putpages =		vop_stdputpages,
 	.vop_readlink =		VOP_EINVAL,
 	.vop_read_pgcache =	vop_stdread_pgcache,
 	.vop_rename =		vop_norename,
 	.vop_revoke =		VOP_PANIC,
 	.vop_strategy =		vop_nostrategy,
 	.vop_unlock =		vop_stdunlock,
 	.vop_vptocnp =		vop_stdvptocnp,
 	.vop_vptofh =		vop_stdvptofh,
 	.vop_unp_bind =		vop_stdunp_bind,
 	.vop_unp_connect =	vop_stdunp_connect,
 	.vop_unp_detach =	vop_stdunp_detach,
 	.vop_is_text =		vop_stdis_text,
 	.vop_set_text =		vop_stdset_text,
 	.vop_unset_text =	vop_stdunset_text,
 	.vop_add_writecount =	vop_stdadd_writecount,
 	.vop_copy_file_range =	vop_stdcopy_file_range,
 	.vop_vput_pair =	vop_stdvput_pair,
 };
 VFS_VOP_VECTOR_REGISTER(default_vnodeops);
 
 /*
  * Series of placeholder functions for various error returns for
  * VOPs.
  */
 
 int
 vop_eopnotsupp(struct vop_generic_args *ap)
 {
 	/*
 	printf("vop_notsupp[%s]\n", ap->a_desc->vdesc_name);
 	*/
 
 	return (EOPNOTSUPP);
 }
 
 int
 vop_ebadf(struct vop_generic_args *ap)
 {
 
 	return (EBADF);
 }
 
 int
 vop_enotty(struct vop_generic_args *ap)
 {
 
 	return (ENOTTY);
 }
 
 int
 vop_einval(struct vop_generic_args *ap)
 {
 
 	return (EINVAL);
 }
 
 int
 vop_enoent(struct vop_generic_args *ap)
 {
 
 	return (ENOENT);
 }
 
 int
 vop_eagain(struct vop_generic_args *ap)
 {
 
 	return (EAGAIN);
 }
 
 int
 vop_null(struct vop_generic_args *ap)
 {
 
 	return (0);
 }
 
 /*
  * Helper function to panic on some bad VOPs in some filesystems.
  */
 int
 vop_panic(struct vop_generic_args *ap)
 {
 
 	panic("filesystem goof: vop_panic[%s]", ap->a_desc->vdesc_name);
 }
 
 /*
  * vop_std<something> and vop_no<something> are default functions for use by
  * filesystems that need the "default reasonable" implementation for a
  * particular operation.
  *
  * The documentation for the operations they implement exists (if it exists)
  * in the VOP_<SOMETHING>(9) manpage (all uppercase).
  */
 
 /*
  * Default vop for filesystems that do not support name lookup
  */
 static int
 vop_nolookup(struct vop_lookup_args *ap)
 {
 
 	*ap->a_vpp = NULL;
 	return (ENOTDIR);
 }
 
 /*
  * vop_norename:
  *
  * Handle unlock and reference counting for arguments of vop_rename
  * for filesystems that do not implement rename operation.
  */
 static int
 vop_norename(struct vop_rename_args *ap)
 {
 
 	vop_rename_fail(ap);
 	return (EOPNOTSUPP);
 }
 
 /*
  *	vop_nostrategy:
  *
  *	Strategy routine for VFS devices that have none.
  *
  *	BIO_ERROR and B_INVAL must be cleared prior to calling any strategy
  *	routine.  Typically this is done for a BIO_READ strategy call.
  *	Typically B_INVAL is assumed to already be clear prior to a write
  *	and should not be cleared manually unless you just made the buffer
  *	invalid.  BIO_ERROR should be cleared either way.
  */
 
 static int
 vop_nostrategy (struct vop_strategy_args *ap)
 {
 	printf("No strategy for buffer at %p\n", ap->a_bp);
 	vn_printf(ap->a_vp, "vnode ");
 	ap->a_bp->b_ioflags |= BIO_ERROR;
 	ap->a_bp->b_error = EOPNOTSUPP;
 	bufdone(ap->a_bp);
 	return (EOPNOTSUPP);
 }
 
 /*
  * Check if a named file exists in a given directory vnode
  *
  * Returns 0 if the file exists, ENOENT if it doesn't, or errors returned by
  * vn_dir_next_dirent().
  */
 static int
 dirent_exists(struct vnode *vp, const char *dirname, struct thread *td)
 {
 	char *dirbuf;
 	int error, eofflag;
 	size_t dirbuflen, len;
 	off_t off;
 	struct dirent *dp;
 	struct vattr va;
 
 	ASSERT_VOP_LOCKED(vp, "vnode not locked");
 	KASSERT(vp->v_type == VDIR, ("vp %p is not a directory", vp));
 
 	error = VOP_GETATTR(vp, &va, td->td_ucred);
 	if (error != 0)
 		return (error);
 
 	dirbuflen = MAX(DEV_BSIZE, GENERIC_MAXDIRSIZ);
 	if (dirbuflen < va.va_blocksize)
 		dirbuflen = va.va_blocksize;
 	dirbuf = malloc(dirbuflen, M_TEMP, M_WAITOK);
 
 	len = 0;
 	off = 0;
 	eofflag = 0;
 
 	for (;;) {
 		error = vn_dir_next_dirent(vp, td, dirbuf, dirbuflen,
 		    &dp, &len, &off, &eofflag);
 		if (error != 0)
 			goto out;
 
 		if (len == 0)
 			break;
 
 		if (dp->d_type != DT_WHT && dp->d_fileno != 0 &&
 		    strcmp(dp->d_name, dirname) == 0)
 			goto out;
 	}
 
 	error = ENOENT;
 
 out:
 	free(dirbuf, M_TEMP);
 	return (error);
 }
 
 int
 vop_stdaccess(struct vop_access_args *ap)
 {
 
 	KASSERT((ap->a_accmode & ~(VEXEC | VWRITE | VREAD | VADMIN |
 	    VAPPEND)) == 0, ("invalid bit in accmode"));
 
 	return (VOP_ACCESSX(ap->a_vp, ap->a_accmode, ap->a_cred, ap->a_td));
 }
 
 int
 vop_stdaccessx(struct vop_accessx_args *ap)
 {
 	int error;
 	accmode_t accmode = ap->a_accmode;
 
 	error = vfs_unixify_accmode(&accmode);
 	if (error != 0)
 		return (error);
 
 	if (accmode == 0)
 		return (0);
 
 	return (VOP_ACCESS(ap->a_vp, accmode, ap->a_cred, ap->a_td));
 }
 
 /*
  * Advisory record locking support
  */
 int
 vop_stdadvlock(struct vop_advlock_args *ap)
 {
 	struct vnode *vp;
 	struct mount *mp;
 	struct vattr vattr;
 	int error;
 
 	vp = ap->a_vp;
 
 	/*
 	 * Provide atomicity of open(O_CREAT | O_EXCL | O_EXLOCK) for
 	 * local filesystems.  See vn_open_cred() for reciprocal part.
 	 */
 	mp = vp->v_mount;
 	if (mp != NULL && (mp->mnt_flag & MNT_LOCAL) != 0 &&
 	    ap->a_op == F_SETLK && (ap->a_flags & F_FIRSTOPEN) == 0) {
 		VI_LOCK(vp);
 		while ((vp->v_iflag & VI_FOPENING) != 0)
 			msleep(vp, VI_MTX(vp), PLOCK, "lockfo", 0);
 		VI_UNLOCK(vp);
 	}
 
 	if (ap->a_fl->l_whence == SEEK_END) {
 		/*
 		 * The NFSv4 server must avoid doing a vn_lock() here, since it
 		 * can deadlock the nfsd threads, due to a LOR.  Fortunately
 		 * the NFSv4 server always uses SEEK_SET and this code is
 		 * only required for the SEEK_END case.
 		 */
 		vn_lock(vp, LK_SHARED | LK_RETRY);
 		error = VOP_GETATTR(vp, &vattr, curthread->td_ucred);
 		VOP_UNLOCK(vp);
 		if (error)
 			return (error);
 	} else
 		vattr.va_size = 0;
 
 	return (lf_advlock(ap, &(vp->v_lockf), vattr.va_size));
 }
 
 int
 vop_stdadvlockasync(struct vop_advlockasync_args *ap)
 {
 	struct vnode *vp;
 	struct vattr vattr;
 	int error;
 
 	vp = ap->a_vp;
 	if (ap->a_fl->l_whence == SEEK_END) {
 		/* The size argument is only needed for SEEK_END. */
 		vn_lock(vp, LK_SHARED | LK_RETRY);
 		error = VOP_GETATTR(vp, &vattr, curthread->td_ucred);
 		VOP_UNLOCK(vp);
 		if (error)
 			return (error);
 	} else
 		vattr.va_size = 0;
 
 	return (lf_advlockasync(ap, &(vp->v_lockf), vattr.va_size));
 }
 
 int
 vop_stdadvlockpurge(struct vop_advlockpurge_args *ap)
 {
 	struct vnode *vp;
 
 	vp = ap->a_vp;
 	lf_purgelocks(vp, &vp->v_lockf);
 	return (0);
 }
 
 /*
  * vop_stdpathconf:
  *
  * Standard implementation of POSIX pathconf, to get information about limits
  * for a filesystem.
  * Override per filesystem for the case where the filesystem has smaller
  * limits.
  */
 int
 vop_stdpathconf(struct vop_pathconf_args *ap)
 {
 
 	switch (ap->a_name) {
 		case _PC_ASYNC_IO:
 			*ap->a_retval = _POSIX_ASYNCHRONOUS_IO;
 			return (0);
 		case _PC_PATH_MAX:
 			*ap->a_retval = PATH_MAX;
 			return (0);
 		case _PC_ACL_EXTENDED:
 		case _PC_ACL_NFS4:
 		case _PC_CAP_PRESENT:
 		case _PC_DEALLOC_PRESENT:
 		case _PC_INF_PRESENT:
 		case _PC_MAC_PRESENT:
 		case _PC_NAMEDATTR_ENABLED:
 		case _PC_HAS_NAMEDATTR:
 		case _PC_HAS_HIDDENSYSTEM:
 		case _PC_CLONE_BLKSIZE:
 			*ap->a_retval = 0;
 			return (0);
 		default:
 			return (EINVAL);
 	}
 	/* NOTREACHED */
 }
 
 /*
  * Standard lock, unlock and islocked functions.
  */
 int
 vop_stdlock(struct vop_lock1_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	struct mtx *ilk;
 
 	ilk = VI_MTX(vp);
 	return (lockmgr_lock_flags(vp->v_vnlock, ap->a_flags,
 	    &ilk->lock_object, ap->a_file, ap->a_line));
 }
 
 /* See above. */
 int
 vop_stdunlock(struct vop_unlock_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 
 	return (lockmgr_unlock(vp->v_vnlock));
 }
 
 /* See above. */
 int
 vop_stdislocked(struct vop_islocked_args *ap)
 {
 
 	return (lockstatus(ap->a_vp->v_vnlock));
 }
 
 /*
  * Variants of the above set.
  *
  * Differences are:
  * - shared locking disablement is not supported
  * - v_vnlock pointer is not honored
  */
 int
 vop_lock(struct vop_lock1_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 	int flags = ap->a_flags;
 	struct mtx *ilk;
 
 	MPASS(vp->v_vnlock == &vp->v_lock);
 
 	if (__predict_false((flags & ~(LK_TYPE_MASK | LK_NODDLKTREAT | LK_RETRY)) != 0))
 		goto other;
 
 	switch (flags & LK_TYPE_MASK) {
 	case LK_SHARED:
 		return (lockmgr_slock(&vp->v_lock, flags, ap->a_file, ap->a_line));
 	case LK_EXCLUSIVE:
 		return (lockmgr_xlock(&vp->v_lock, flags, ap->a_file, ap->a_line));
 	}
 other:
 	ilk = VI_MTX(vp);
 	return (lockmgr_lock_flags(&vp->v_lock, flags,
 	    &ilk->lock_object, ap->a_file, ap->a_line));
 }
 
 int
 vop_unlock(struct vop_unlock_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 
 	MPASS(vp->v_vnlock == &vp->v_lock);
 
 	return (lockmgr_unlock(&vp->v_lock));
 }
 
 int
 vop_islocked(struct vop_islocked_args *ap)
 {
 	struct vnode *vp = ap->a_vp;
 
 	MPASS(vp->v_vnlock == &vp->v_lock);
 
 	return (lockstatus(&vp->v_lock));
 }
 
 /*
  * Return true for select/poll.
  */
 int
 vop_nopoll(struct vop_poll_args *ap)
 {
 
 	if (ap->a_events & ~POLLSTANDARD)
 		return (POLLNVAL);
 	return (ap->a_events & (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM));
 }
 
 /*
  * Implement poll for local filesystems that support it.
  */
 int
 vop_stdpoll(struct vop_poll_args *ap)
 {
 	if (ap->a_events & ~POLLSTANDARD)
 		return (vn_pollrecord(ap->a_vp, ap->a_td, ap->a_events));
 	return (ap->a_events & (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM));
 }
 
 /*
  * Return our mount point, as we will take charge of the writes.
  */
 int
 vop_stdgetwritemount(struct vop_getwritemount_args *ap)
 {
 	struct mount *mp;
 	struct vnode *vp;
 
 	/*
 	 * Note that having a reference does not prevent forced unmount from
 	 * setting ->v_mount to NULL after the lock gets released. This is of
 	 * no consequence for typical consumers (most notably vn_start_write)
 	 * since in this case the vnode is VIRF_DOOMED. Unmount might have
 	 * progressed far enough that its completion is only delayed by the
 	 * reference obtained here. The consumer only needs to concern itself
 	 * with releasing it.
 	 */
 	vp = ap->a_vp;
 	mp = vfs_ref_from_vp(vp);
 	*(ap->a_mpp) = mp;
 	return (0);
 }
 
 /*
  * If the file system doesn't implement VOP_BMAP, then return sensible defaults:
  * - Return the vnode's bufobj instead of any underlying device's bufobj
  * - Calculate the physical block number as if there were equal size
  *   consecutive blocks, but
  * - Report no contiguous runs of blocks.
  */
 int
 vop_stdbmap(struct vop_bmap_args *ap)
 {
 
 	if (ap->a_bop != NULL)
 		*ap->a_bop = &ap->a_vp->v_bufobj;
 	if (ap->a_bnp != NULL)
 		*ap->a_bnp = ap->a_bn * btodb(ap->a_vp->v_mount->mnt_stat.f_iosize);
 	if (ap->a_runp != NULL)
 		*ap->a_runp = 0;
 	if (ap->a_runb != NULL)
 		*ap->a_runb = 0;
 	return (0);
 }
 
 int
 vop_stdfsync(struct vop_fsync_args *ap)
 {
 
 	return (vn_fsync_buf(ap->a_vp, ap->a_waitfor));
 }
 
 static int
 vop_stdfdatasync(struct vop_fdatasync_args *ap)
 {
 
 	return (VOP_FSYNC(ap->a_vp, MNT_WAIT, ap->a_td));
 }
 
 int
 vop_stdfdatasync_buf(struct vop_fdatasync_args *ap)
 {
 
 	return (vn_fsync_buf(ap->a_vp, MNT_WAIT));
 }
 
 /* XXX Needs good comment and more info in the manpage (VOP_GETPAGES(9)). */
 int
 vop_stdgetpages(struct vop_getpages_args *ap)
 {
 
 	return vnode_pager_generic_getpages(ap->a_vp, ap->a_m,
 	    ap->a_count, ap->a_rbehind, ap->a_rahead, NULL, NULL);
 }
 
 static int
 vop_stdgetpages_async(struct vop_getpages_async_args *ap)
 {
 	int error;
 
 	error = VOP_GETPAGES(ap->a_vp, ap->a_m, ap->a_count, ap->a_rbehind,
 	    ap->a_rahead);
 	if (ap->a_iodone != NULL)
 		ap->a_iodone(ap->a_arg, ap->a_m, ap->a_count, error);
 	return (error);
 }
 
 int
 vop_stdkqfilter(struct vop_kqfilter_args *ap)
 {
 	return vfs_kqfilter(ap);
 }
 
 /* XXX Needs good comment and more info in the manpage (VOP_PUTPAGES(9)). */
 int
 vop_stdputpages(struct vop_putpages_args *ap)
 {
 
 	return vnode_pager_generic_putpages(ap->a_vp, ap->a_m, ap->a_count,
 	     ap->a_sync, ap->a_rtvals);
 }
 
 int
 vop_stdvptofh(struct vop_vptofh_args *ap)
 {
 	return (EOPNOTSUPP);
 }
 
 int
 vop_stdvptocnp(struct vop_vptocnp_args *ap)
 {
 	struct vnode *const vp = ap->a_vp;
 	struct vnode **const dvp = ap->a_vpp;
 	char *buf = ap->a_buf;
 	size_t *buflen = ap->a_buflen;
 	char *dirbuf;
 	int i = *buflen;
 	int error = 0, covered = 0;
 	int eofflag, flags, locked;
 	size_t dirbuflen, len;
 	off_t off;
 	ino_t fileno;
 	struct vattr va;
 	struct nameidata nd;
 	struct thread *const td = curthread;
 	struct ucred *const cred = td->td_ucred;
 	struct dirent *dp;
 	struct vnode *mvp;
 
 	if (vp->v_type != VDIR)
 		return (ENOENT);
 
 	error = VOP_GETATTR(vp, &va, cred);
 	if (error)
 		return (error);
 
-	VREF(vp);
+	vref(vp);
 	locked = VOP_ISLOCKED(vp);
 	VOP_UNLOCK(vp);
 	NDINIT_ATVP(&nd, LOOKUP, FOLLOW | LOCKSHARED | LOCKLEAF, UIO_SYSSPACE,
 	    "..", vp);
 	flags = FREAD;
 	error = vn_open_cred(&nd, &flags, 0, VN_OPEN_NOAUDIT, cred, NULL);
 	if (error) {
 		vn_lock(vp, locked | LK_RETRY);
 		return (error);
 	}
 	NDFREE_PNBUF(&nd);
 
 	mvp = *dvp = nd.ni_vp;
 
 	if (vp->v_mount != (*dvp)->v_mount &&
 	    ((*dvp)->v_vflag & VV_ROOT) &&
 	    ((*dvp)->v_mount->mnt_flag & MNT_UNION)) {
 		*dvp = (*dvp)->v_mount->mnt_vnodecovered;
-		VREF(mvp);
+		vref(mvp);
 		VOP_UNLOCK(mvp);
 		vn_close(mvp, FREAD, cred, td);
-		VREF(*dvp);
+		vref(*dvp);
 		vn_lock(*dvp, LK_SHARED | LK_RETRY);
 		covered = 1;
 	}
 
 	fileno = va.va_fileid;
 
 	dirbuflen = MAX(DEV_BSIZE, GENERIC_MAXDIRSIZ);
 	if (dirbuflen < va.va_blocksize)
 		dirbuflen = va.va_blocksize;
 	dirbuf = malloc(dirbuflen, M_TEMP, M_WAITOK);
 
 	if ((*dvp)->v_type != VDIR) {
 		error = ENOENT;
 		goto out;
 	}
 
 	len = 0;
 	off = 0;
 	eofflag = 0;
 
 	for (;;) {
 		/* call VOP_READDIR of parent */
 		error = vn_dir_next_dirent(*dvp, td,
 		    dirbuf, dirbuflen, &dp, &len, &off, &eofflag);
 		if (error != 0)
 			goto out;
 
 		if (len == 0) {
 			error = ENOENT;
 			goto out;
 		}
 
 		if ((dp->d_type != DT_WHT) &&
 		    (dp->d_fileno == fileno)) {
 			if (covered) {
 				VOP_UNLOCK(*dvp);
 				vn_lock(mvp, LK_SHARED | LK_RETRY);
 				if (dirent_exists(mvp, dp->d_name, td) == 0) {
 					error = ENOENT;
 					VOP_UNLOCK(mvp);
 					vn_lock(*dvp, LK_SHARED | LK_RETRY);
 					goto out;
 				}
 				VOP_UNLOCK(mvp);
 				vn_lock(*dvp, LK_SHARED | LK_RETRY);
 			}
 			i -= dp->d_namlen;
 
 			if (i < 0) {
 				error = ENOMEM;
 				goto out;
 			}
 			if (dp->d_namlen == 1 && dp->d_name[0] == '.') {
 				error = ENOENT;
 			} else {
 				bcopy(dp->d_name, buf + i, dp->d_namlen);
 				error = 0;
 			}
 			goto out;
 		}
 	}
 
 out:
 	free(dirbuf, M_TEMP);
 	if (!error) {
 		*buflen = i;
 		vref(*dvp);
 	}
 	if (covered) {
 		vput(*dvp);
 		vrele(mvp);
 	} else {
 		VOP_UNLOCK(mvp);
 		vn_close(mvp, FREAD, cred, td);
 	}
 	vn_lock(vp, locked | LK_RETRY);
 	return (error);
 }
 
 int
 vop_stdallocate(struct vop_allocate_args *ap)
 {
 #ifdef __notyet__
 	struct statfs *sfs;
 	off_t maxfilesize = 0;
 #endif
 	struct iovec aiov;
 	struct vattr vattr, *vap;
 	struct uio auio;
 	off_t fsize, len, cur, offset;
 	uint8_t *buf;
 	struct thread *td;
 	struct vnode *vp;
 	size_t iosize;
 	int error;
 
 	buf = NULL;
 	error = 0;
 	td = curthread;
 	vap = &vattr;
 	vp = ap->a_vp;
 	len = *ap->a_len;
 	offset = *ap->a_offset;
 
 	error = VOP_GETATTR(vp, vap, ap->a_cred);
 	if (error != 0)
 		goto out;
 	fsize = vap->va_size;
 	iosize = vap->va_blocksize;
 	if (iosize == 0)
 		iosize = BLKDEV_IOSIZE;
 	if (iosize > maxphys)
 		iosize = maxphys;
 	buf = malloc(iosize, M_TEMP, M_WAITOK);
 
 #ifdef __notyet__
 	/*
 	 * Check if the filesystem sets f_maxfilesize; if not use
 	 * VOP_SETATTR to perform the check.
 	 */
 	sfs = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = VFS_STATFS(vp->v_mount, sfs, td);
 	if (error == 0)
 		maxfilesize = sfs->f_maxfilesize;
 	free(sfs, M_STATFS);
 	if (error != 0)
 		goto out;
 	if (maxfilesize) {
 		if (offset > maxfilesize || len > maxfilesize ||
 		    offset + len > maxfilesize) {
 			error = EFBIG;
 			goto out;
 		}
 	} else
 #endif
 	if (offset + len > vap->va_size) {
 		/*
 		 * Test offset + len against the filesystem's maxfilesize.
 		 */
 		VATTR_NULL(vap);
 		vap->va_size = offset + len;
 		error = VOP_SETATTR(vp, vap, ap->a_cred);
 		if (error != 0)
 			goto out;
 		VATTR_NULL(vap);
 		vap->va_size = fsize;
 		error = VOP_SETATTR(vp, vap, ap->a_cred);
 		if (error != 0)
 			goto out;
 	}
 
 	for (;;) {
 		/*
 		 * Read and write back anything below the nominal file
 		 * size.  There's currently no way outside the filesystem
 		 * to know whether this area is sparse or not.
 		 */
 		cur = iosize;
 		if ((offset % iosize) != 0)
 			cur -= (offset % iosize);
 		if (cur > len)
 			cur = len;
 		if (offset < fsize) {
 			aiov.iov_base = buf;
 			aiov.iov_len = cur;
 			auio.uio_iov = &aiov;
 			auio.uio_iovcnt = 1;
 			auio.uio_offset = offset;
 			auio.uio_resid = cur;
 			auio.uio_segflg = UIO_SYSSPACE;
 			auio.uio_rw = UIO_READ;
 			auio.uio_td = td;
 			error = VOP_READ(vp, &auio, ap->a_ioflag, ap->a_cred);
 			if (error != 0)
 				break;
 			if (auio.uio_resid > 0) {
 				bzero(buf + cur - auio.uio_resid,
 				    auio.uio_resid);
 			}
 		} else {
 			bzero(buf, cur);
 		}
 
 		aiov.iov_base = buf;
 		aiov.iov_len = cur;
 		auio.uio_iov = &aiov;
 		auio.uio_iovcnt = 1;
 		auio.uio_offset = offset;
 		auio.uio_resid = cur;
 		auio.uio_segflg = UIO_SYSSPACE;
 		auio.uio_rw = UIO_WRITE;
 		auio.uio_td = td;
 
 		error = VOP_WRITE(vp, &auio, ap->a_ioflag, ap->a_cred);
 		if (error != 0)
 			break;
 
 		len -= cur;
 		offset += cur;
 		if (len == 0)
 			break;
 		if (should_yield())
 			break;
 	}
 
  out:
 	*ap->a_len = len;
 	*ap->a_offset = offset;
 	free(buf, M_TEMP);
 	return (error);
 }
 
 static int
 vp_zerofill(struct vnode *vp, struct vattr *vap, off_t *offsetp, off_t *lenp,
     int ioflag, struct ucred *cred)
 {
 	int iosize;
 	int error = 0;
 	struct iovec aiov;
 	struct uio auio;
 	struct thread *td;
 	off_t offset, len;
 
 	iosize = vap->va_blocksize;
 	td = curthread;
 	offset = *offsetp;
 	len = *lenp;
 
 	if (iosize == 0)
 		iosize = BLKDEV_IOSIZE;
 	/* If va_blocksize is 512 bytes, iosize will be 4 kilobytes */
 	iosize = min(iosize * 8, ZERO_REGION_SIZE);
 
 	while (len > 0) {
 		int xfersize = iosize;
 		if (offset % iosize != 0)
 			xfersize -= offset % iosize;
 		if (xfersize > len)
 			xfersize = len;
 
 		aiov.iov_base = __DECONST(void *, zero_region);
 		aiov.iov_len = xfersize;
 		auio.uio_iov = &aiov;
 		auio.uio_iovcnt = 1;
 		auio.uio_offset = offset;
 		auio.uio_resid = xfersize;
 		auio.uio_segflg = UIO_SYSSPACE;
 		auio.uio_rw = UIO_WRITE;
 		auio.uio_td = td;
 
 		error = VOP_WRITE(vp, &auio, ioflag, cred);
 		if (error != 0) {
 			len -= xfersize - auio.uio_resid;
 			offset += xfersize - auio.uio_resid;
 			break;
 		}
 
 		len -= xfersize;
 		offset += xfersize;
 	}
 
 	*offsetp = offset;
 	*lenp = len;
 	return (error);
 }
 
 int
 vop_stddeallocate(struct vop_deallocate_args *ap)
 {
 	struct vnode *vp;
 	off_t offset, len;
 	struct ucred *cred;
 	int error;
 	struct vattr va;
 	off_t noff, xfersize, rem;
 
 	vp = ap->a_vp;
 	offset = *ap->a_offset;
 	cred = ap->a_cred;
 
 	error = VOP_GETATTR(vp, &va, cred);
 	if (error)
 		return (error);
 
 	len = omin((off_t)va.va_size - offset, *ap->a_len);
 	while (len > 0) {
 		noff = offset;
 		error = vn_bmap_seekhole_locked(vp, FIOSEEKDATA, &noff, cred);
 		if (error) {
 			if (error != ENXIO)
 				/* XXX: Is it okay to fallback further? */
 				goto out;
 
 			/*
 			 * No more data region to be filled
 			 */
 			offset += len;
 			len = 0;
 			error = 0;
 			break;
 		}
 		KASSERT(noff >= offset, ("FIOSEEKDATA going backward"));
 		if (noff != offset) {
 			xfersize = omin(noff - offset, len);
 			len -= xfersize;
 			offset += xfersize;
 			if (len == 0)
 				break;
 		}
 		error = vn_bmap_seekhole_locked(vp, FIOSEEKHOLE, &noff, cred);
 		if (error)
 			goto out;
 
 		/* Fill zeroes */
 		xfersize = rem = omin(noff - offset, len);
 		error = vp_zerofill(vp, &va, &offset, &rem, ap->a_ioflag, cred);
 		if (error) {
 			len -= xfersize - rem;
 			goto out;
 		}
 
 		len -= xfersize;
 		if (should_yield())
 			break;
 	}
 	/* Handle the case when offset is beyond EOF */
 	if (len < 0)
 		len = 0;
 out:
 	*ap->a_offset = offset;
 	*ap->a_len = len;
 	return (error);
 }
 
 int
 vop_stdadvise(struct vop_advise_args *ap)
 {
 	struct vnode *vp;
 	struct bufobj *bo;
 	uintmax_t bstart, bend;
 	daddr_t startn, endn;
 	int bsize, error;
 
 	vp = ap->a_vp;
 	switch (ap->a_advice) {
 	case POSIX_FADV_WILLNEED:
 		/*
 		 * Do nothing for now.  Filesystems should provide a
 		 * custom method which starts an asynchronous read of
 		 * the requested region.
 		 */
 		error = 0;
 		break;
 	case POSIX_FADV_DONTNEED:
 		error = 0;
 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 		if (VN_IS_DOOMED(vp)) {
 			VOP_UNLOCK(vp);
 			break;
 		}
 
 		/*
 		 * Round to block boundaries (and later possibly further to
 		 * page boundaries).  Applications cannot reasonably be aware
 		 * of the boundaries, and the rounding must be to expand at
 		 * both extremities to cover enough.  It still doesn't cover
 		 * read-ahead.  For partial blocks, this gives unnecessary
 		 * discarding of buffers but is efficient enough since the
 		 * pages usually remain in VMIO for some time.
 		 */
 		bsize = vp->v_bufobj.bo_bsize;
 		bstart = rounddown(ap->a_start, bsize);
 		bend = ap->a_end;
 		bend = roundup(bend, bsize);
 
 		/*
 		 * Deactivate pages in the specified range from the backing VM
 		 * object.  Pages that are resident in the buffer cache will
 		 * remain wired until their corresponding buffers are released
 		 * below.
 		 */
 		if (vp->v_object != NULL) {
 			VM_OBJECT_RLOCK(vp->v_object);
 			vm_object_page_noreuse(vp->v_object,
 			    OFF_TO_IDX(trunc_page(bstart)),
 			    OFF_TO_IDX(round_page(bend)));
 			VM_OBJECT_RUNLOCK(vp->v_object);
 		}
 
 		bo = &vp->v_bufobj;
 		startn = bstart / bsize;
 		endn = bend / bsize;
 		BO_RLOCK(bo);
 		error = bnoreuselist(&bo->bo_clean, bo, startn, endn);
 		if (error == 0)
 			error = bnoreuselist(&bo->bo_dirty, bo, startn, endn);
 		BO_RUNLOCK(bo);
 		VOP_UNLOCK(vp);
 		break;
 	default:
 		error = EINVAL;
 		break;
 	}
 	return (error);
 }
 
 int
 vop_stdunp_bind(struct vop_unp_bind_args *ap)
 {
 
 	ap->a_vp->v_unpcb = ap->a_unpcb;
 	return (0);
 }
 
 int
 vop_stdunp_connect(struct vop_unp_connect_args *ap)
 {
 
 	*ap->a_unpcb = ap->a_vp->v_unpcb;
 	return (0);
 }
 
 int
 vop_stdunp_detach(struct vop_unp_detach_args *ap)
 {
 
 	ap->a_vp->v_unpcb = NULL;
 	return (0);
 }
 
 static int
 vop_stdis_text(struct vop_is_text_args *ap)
 {
 
 	return ((int)atomic_load_int(&ap->a_vp->v_writecount) < 0);
 }
 
 int
 vop_stdset_text(struct vop_set_text_args *ap)
 {
 	struct vnode *vp;
 	int n;
 	bool gotref;
 
 	vp = ap->a_vp;
 
 	n = atomic_load_int(&vp->v_writecount);
 	for (;;) {
 		if (__predict_false(n > 0)) {
 			return (ETXTBSY);
 		}
 
 		/*
 		 * Transition point, we may need to grab a reference on the vnode.
 		 *
 		 * Take the ref early As a safety measure against bogus calls
 		 * to vop_stdunset_text.
 		 */
 		if (n == 0) {
 			gotref = false;
 			if ((vn_irflag_read(vp) & VIRF_TEXT_REF) != 0) {
 				vref(vp);
 				gotref = true;
 			}
 			if (atomic_fcmpset_int(&vp->v_writecount, &n, -1)) {
 				return (0);
 			}
 			if (gotref) {
 				vunref(vp);
 			}
 			continue;
 		}
 
 		MPASS(n < 0);
 		if (atomic_fcmpset_int(&vp->v_writecount, &n, n - 1)) {
 			return (0);
 		}
 	}
 	__assert_unreachable();
 }
 
 static int
 vop_stdunset_text(struct vop_unset_text_args *ap)
 {
 	struct vnode *vp;
 	int n;
 
 	vp = ap->a_vp;
 
 	n = atomic_load_int(&vp->v_writecount);
 	for (;;) {
 		if (__predict_false(n >= 0)) {
 			return (EINVAL);
 		}
 
 		/*
 		 * Transition point, we may need to release a reference on the vnode.
 		 */
 		if (n == -1) {
 			if (atomic_fcmpset_int(&vp->v_writecount, &n, 0)) {
 				if ((vn_irflag_read(vp) & VIRF_TEXT_REF) != 0) {
 					vunref(vp);
 				}
 				return (0);
 			}
 			continue;
 		}
 
 		MPASS(n < -1);
 		if (atomic_fcmpset_int(&vp->v_writecount, &n, n + 1)) {
 			return (0);
 		}
 	}
 	__assert_unreachable();
 }
 
 static __always_inline int
 vop_stdadd_writecount_impl(struct vop_add_writecount_args *ap, bool handle_msync)
 {
 	struct vnode *vp;
 	struct mount *mp __diagused;
 	int n;
 
 	vp = ap->a_vp;
 
 #ifdef INVARIANTS
 	mp = vp->v_mount;
 	if (mp != NULL) {
 		if (handle_msync) {
 			VNPASS((mp->mnt_kern_flag & MNTK_NOMSYNC) == 0, vp);
 		} else {
 			VNPASS((mp->mnt_kern_flag & MNTK_NOMSYNC) != 0, vp);
 		}
 	}
 #endif
 
 	n = atomic_load_int(&vp->v_writecount);
 	for (;;) {
 		if (__predict_false(n < 0)) {
 			return (ETXTBSY);
 		}
 
 		VNASSERT(n + ap->a_inc >= 0, vp,
 		    ("neg writecount increment %d + %d = %d", n, ap->a_inc,
 		    n + ap->a_inc));
 		if (n == 0) {
 			if (handle_msync) {
 				vlazy(vp);
 			}
 		}
 
 		if (atomic_fcmpset_int(&vp->v_writecount, &n, n + ap->a_inc)) {
 			return (0);
 		}
 	}
 	__assert_unreachable();
 }
 
 int
 vop_stdadd_writecount(struct vop_add_writecount_args *ap)
 {
 
 	return (vop_stdadd_writecount_impl(ap, true));
 }
 
 int
 vop_stdadd_writecount_nomsync(struct vop_add_writecount_args *ap)
 {
 
 	return (vop_stdadd_writecount_impl(ap, false));
 }
 
 int
 vop_stdneed_inactive(struct vop_need_inactive_args *ap)
 {
 
 	return (1);
 }
 
 int
 vop_stdinotify(struct vop_inotify_args *ap)
 {
 	vn_inotify(ap->a_vp, ap->a_dvp, ap->a_cnp, ap->a_event, ap->a_cookie);
 	return (0);
 }
 
 int
 vop_stdinotify_add_watch(struct vop_inotify_add_watch_args *ap)
 {
 	return (vn_inotify_add_watch(ap->a_vp, ap->a_sc, ap->a_mask,
 	    ap->a_wdp, ap->a_td));
 }
 
 int
 vop_stdioctl(struct vop_ioctl_args *ap)
 {
 	struct vnode *vp;
 	struct vattr va;
 	off_t *offp;
 	int error;
 
 	switch (ap->a_command) {
 	case FIOSEEKDATA:
 	case FIOSEEKHOLE:
 		vp = ap->a_vp;
 		error = vn_lock(vp, LK_SHARED);
 		if (error != 0)
 			return (EBADF);
 		if (vp->v_type == VREG)
 			error = VOP_GETATTR(vp, &va, ap->a_cred);
 		else
 			error = ENOTTY;
 		if (error == 0) {
 			offp = ap->a_data;
 			if (*offp < 0 || *offp >= va.va_size)
 				error = ENXIO;
 			else if (ap->a_command == FIOSEEKHOLE)
 				*offp = va.va_size;
 		}
 		VOP_UNLOCK(vp);
 		break;
 	default:
 		error = ENOTTY;
 		break;
 	}
 	return (error);
 }
 
 /*
  * vfs default ops
  * used to fill the vfs function table to get reasonable default return values.
  */
 int
 vfs_stdroot(struct mount *mp, int flags, struct vnode **vpp)
 {
 
 	return (EOPNOTSUPP);
 }
 
 int
 vfs_stdstatfs(struct mount *mp, struct statfs *sbp)
 {
 
 	return (EOPNOTSUPP);
 }
 
 int
 vfs_stdquotactl(struct mount *mp, int cmds, uid_t uid, void *arg, bool *mp_busy)
 {
 	return (EOPNOTSUPP);
 }
 
 int
 vfs_stdsync(struct mount *mp, int waitfor)
 {
 	struct vnode *vp, *mvp;
 	struct thread *td;
 	int error, lockreq, allerror = 0;
 
 	td = curthread;
 	lockreq = LK_EXCLUSIVE | LK_INTERLOCK;
 	if (waitfor != MNT_WAIT)
 		lockreq |= LK_NOWAIT;
 	/*
 	 * Force stale buffer cache information to be flushed.
 	 */
 loop:
 	MNT_VNODE_FOREACH_ALL(vp, mp, mvp) {
 		if (vp->v_bufobj.bo_dirty.bv_cnt == 0) {
 			VI_UNLOCK(vp);
 			continue;
 		}
 		if ((error = vget(vp, lockreq)) != 0) {
 			if (error == ENOENT) {
 				MNT_VNODE_FOREACH_ALL_ABORT(mp, mvp);
 				goto loop;
 			}
 			continue;
 		}
 		error = VOP_FSYNC(vp, waitfor, td);
 		if (error)
 			allerror = error;
 		vput(vp);
 	}
 	return (allerror);
 }
 
 int
 vfs_stdnosync(struct mount *mp, int waitfor)
 {
 
 	return (0);
 }
 
 static int
 vop_stdcopy_file_range(struct vop_copy_file_range_args *ap)
 {
 	int error;
 
 	error = vn_generic_copy_file_range(ap->a_invp, ap->a_inoffp,
 	    ap->a_outvp, ap->a_outoffp, ap->a_lenp, ap->a_flags, ap->a_incred,
 	    ap->a_outcred, ap->a_fsizetd);
 	return (error);
 }
 
 int
 vfs_stdvget(struct mount *mp, ino_t ino, int flags, struct vnode **vpp)
 {
 
 	return (EOPNOTSUPP);
 }
 
 int
 vfs_stdfhtovp(struct mount *mp, struct fid *fhp, int flags, struct vnode **vpp)
 {
 
 	return (EOPNOTSUPP);
 }
 
 int
 vfs_stdinit(struct vfsconf *vfsp)
 {
 
 	return (0);
 }
 
 int
 vfs_stduninit(struct vfsconf *vfsp)
 {
 
 	return(0);
 }
 
 int
 vfs_stdextattrctl(struct mount *mp, int cmd, struct vnode *filename_vp,
     int attrnamespace, const char *attrname)
 {
 
 	if (filename_vp != NULL)
 		VOP_UNLOCK(filename_vp);
 	return (EOPNOTSUPP);
 }
 
 int
 vfs_stdsysctl(struct mount *mp, fsctlop_t op, struct sysctl_req *req)
 {
 
 	return (EOPNOTSUPP);
 }
 
 static vop_bypass_t *
 bp_by_off(struct vop_vector *vop, struct vop_generic_args *a)
 {
 
 	return (*(vop_bypass_t **)((char *)vop + a->a_desc->vdesc_vop_offset));
 }
 
 int
 vop_sigdefer(struct vop_vector *vop, struct vop_generic_args *a)
 {
 	vop_bypass_t *bp;
 	int prev_stops, rc;
 
 	bp = bp_by_off(vop, a);
 	MPASS(bp != NULL);
 
 	prev_stops = sigdeferstop(SIGDEFERSTOP_SILENT);
 	rc = bp(a);
 	sigallowstop(prev_stops);
 	return (rc);
 }
 
 static int
 vop_stdstat(struct vop_stat_args *a)
 {
 	struct vattr vattr;
 	struct vattr *vap;
 	struct vnode *vp;
 	struct stat *sb;
 	int error;
 	u_short mode;
 
 	vp = a->a_vp;
 	sb = a->a_sb;
 
 	error = vop_stat_helper_pre(a);
 	if (error != 0)
 		return (error);
 
 	vap = &vattr;
 
 	/*
 	 * Initialize defaults for new and unusual fields, so that file
 	 * systems which don't support these fields don't need to know
 	 * about them.
 	 */
 	vap->va_birthtime.tv_sec = -1;
 	vap->va_birthtime.tv_nsec = 0;
 	vap->va_fsid = VNOVAL;
 	vap->va_gen = 0;
 	vap->va_rdev = NODEV;
 	vap->va_filerev = 0;
 	vap->va_bsdflags = 0;
 
 	error = VOP_GETATTR(vp, vap, a->a_active_cred);
 	if (error)
 		goto out;
 
 	/*
 	 * Zero the spare stat fields
 	 */
 	bzero(sb, sizeof *sb);
 
 	/*
 	 * Copy from vattr table
 	 */
 	if (vap->va_fsid != VNOVAL)
 		sb->st_dev = vap->va_fsid;
 	else
 		sb->st_dev = vp->v_mount->mnt_stat.f_fsid.val[0];
 	sb->st_ino = vap->va_fileid;
 	mode = vap->va_mode;
 	switch (vap->va_type) {
 	case VREG:
 		mode |= S_IFREG;
 		break;
 	case VDIR:
 		mode |= S_IFDIR;
 		break;
 	case VBLK:
 		mode |= S_IFBLK;
 		break;
 	case VCHR:
 		mode |= S_IFCHR;
 		break;
 	case VLNK:
 		mode |= S_IFLNK;
 		break;
 	case VSOCK:
 		mode |= S_IFSOCK;
 		break;
 	case VFIFO:
 		mode |= S_IFIFO;
 		break;
 	default:
 		error = EBADF;
 		goto out;
 	}
 	sb->st_mode = mode;
 	sb->st_nlink = vap->va_nlink;
 	sb->st_uid = vap->va_uid;
 	sb->st_gid = vap->va_gid;
 	sb->st_rdev = vap->va_rdev;
 	if (vap->va_size > OFF_MAX) {
 		error = EOVERFLOW;
 		goto out;
 	}
 	sb->st_size = vap->va_size;
 	sb->st_atim.tv_sec = vap->va_atime.tv_sec;
 	sb->st_atim.tv_nsec = vap->va_atime.tv_nsec;
 	sb->st_mtim.tv_sec = vap->va_mtime.tv_sec;
 	sb->st_mtim.tv_nsec = vap->va_mtime.tv_nsec;
 	sb->st_ctim.tv_sec = vap->va_ctime.tv_sec;
 	sb->st_ctim.tv_nsec = vap->va_ctime.tv_nsec;
 	sb->st_birthtim.tv_sec = vap->va_birthtime.tv_sec;
 	sb->st_birthtim.tv_nsec = vap->va_birthtime.tv_nsec;
 
 	/*
 	 * According to www.opengroup.org, the meaning of st_blksize is
 	 *   "a filesystem-specific preferred I/O block size for this
 	 *    object.  In some filesystem types, this may vary from file
 	 *    to file"
 	 * Use minimum/default of PAGE_SIZE (e.g. for VCHR).
 	 */
 
 	sb->st_blksize = max(PAGE_SIZE, vap->va_blocksize);
 	sb->st_flags = vap->va_flags;
 	sb->st_blocks = vap->va_bytes / S_BLKSIZE;
 	sb->st_gen = vap->va_gen;
 	sb->st_filerev = vap->va_filerev;
 	sb->st_bsdflags = vap->va_bsdflags;
 out:
 	return (vop_stat_helper_post(a, error));
 }
 
 static int
 vop_stdread_pgcache(struct vop_read_pgcache_args *ap __unused)
 {
 	return (EJUSTRETURN);
 }
 
 static int
 vop_stdvput_pair(struct vop_vput_pair_args *ap)
 {
 	struct vnode *dvp, *vp, **vpp;
 
 	dvp = ap->a_dvp;
 	vpp = ap->a_vpp;
 	vput(dvp);
 	if (vpp != NULL && ap->a_unlock_vp && (vp = *vpp) != NULL)
 		vput(vp);
 	return (0);
 }
 
 static int
 vop_stdgetlowvnode(struct vop_getlowvnode_args *ap)
 {
 	vref(ap->a_vp);
 	*ap->a_vplp = ap->a_vp;
 	return (0);
 }
diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c
index 2f8b88783f3d..39c7da803de1 100644
--- a/sys/kern/vfs_lookup.c
+++ b/sys/kern/vfs_lookup.c
@@ -1,1681 +1,1681 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1982, 1986, 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  * (c) UNIX System Laboratories, Inc.
  * All or some portions of this file are derived from material licensed
  * to the University of California by American Telephone and Telegraph
  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  * the permission of UNIX System Laboratories, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include <sys/cdefs.h>
 #include "opt_capsicum.h"
 #include "opt_ktrace.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/dirent.h>
 #include <sys/kernel.h>
 #include <sys/capsicum.h>
 #include <sys/fcntl.h>
 #include <sys/jail.h>
 #include <sys/lock.h>
 #include <sys/mutex.h>
 #include <sys/namei.h>
 #include <sys/vnode.h>
 #include <sys/mount.h>
 #include <sys/filedesc.h>
 #include <sys/proc.h>
 #include <sys/sdt.h>
 #include <sys/syscallsubr.h>
 #include <sys/sysctl.h>
 #ifdef KTRACE
 #include <sys/ktrace.h>
 #endif
 #ifdef INVARIANTS
 #include <machine/_inttypes.h>
 #endif
 
 #include <security/audit/audit.h>
 #include <security/mac/mac_framework.h>
 
 #include <vm/uma.h>
 
 #ifdef INVARIANTS
 static void NDVALIDATE_impl(struct nameidata *, int);
 #define NDVALIDATE(ndp) NDVALIDATE_impl(ndp, __LINE__)
 #else
 #define NDVALIDATE(ndp)
 #endif
 
 /*
  * Reset ndp to its original state.
  */
 #define	NDRESET(ndp) do {						\
 	NDREINIT_DBG(ndp);						\
 	ndp->ni_resflags = 0;						\
 	ndp->ni_cnd.cn_flags &= ~NAMEI_INTERNAL_FLAGS;			\
 } while (0)
 /*
  * Prepare namei() to restart. Reset components to its original state and set
  * ISRESTARTED flag which signals the underlying lookup code to change the root
  * from ABI root to actual root and prevents a further restarts.
  */
 #define	NDRESTART(ndp) do {						\
 	NDRESET(ndp);						\
 	ndp->ni_cnd.cn_flags |= ISRESTARTED;				\
 } while (0)
 
 #ifdef KTRACE
 #define	NIKTRCAPFAIL(path)	ktrcapfail(CAPFAIL_NAMEI, (path))
 #else
 #define	NIKTRCAPFAIL(path)
 #endif
 
 #define	NI_CAP_VIOLATION(ndp, path)	do {			\
 	NIKTRCAPFAIL(path);					\
 	(ndp)->ni_lcf &= ~NI_LCF_KTR_FLAGS;			\
 } while (0)
 
 SDT_PROVIDER_DEFINE(vfs);
 SDT_PROBE_DEFINE4(vfs, namei, lookup, entry, "struct vnode *", "char *",
     "unsigned long", "bool");
 SDT_PROBE_DEFINE4(vfs, namei, lookup, return, "int", "struct vnode *", "bool",
     "struct nameidata");
 
 /* Allocation zone for namei. */
 uma_zone_t namei_zone;
 
 /* Placeholder vnode for mp traversal. */
 static struct vnode *vp_crossmp;
 
 static int
 crossmp_vop_islocked(struct vop_islocked_args *ap)
 {
 
 	return (LK_SHARED);
 }
 
 static int
 crossmp_vop_lock1(struct vop_lock1_args *ap)
 {
 	struct vnode *vp;
 	struct lock *lk __diagused;
 	int flags;
 
 	vp = ap->a_vp;
 	lk = vp->v_vnlock;
 	flags = ap->a_flags;
 
 	KASSERT((flags & (LK_SHARED | LK_NOWAIT)) == (LK_SHARED | LK_NOWAIT),
 	    ("%s: invalid lock request 0x%x for crossmp", __func__, flags));
 
 	if ((flags & LK_INTERLOCK) != 0)
 		VI_UNLOCK(vp);
 	LOCK_LOG_LOCK("SLOCK", &lk->lock_object, 0, 0, ap->a_file, ap->a_line);
 	return (0);
 }
 
 static int
 crossmp_vop_unlock(struct vop_unlock_args *ap)
 {
 	struct vnode *vp;
 	struct lock *lk __diagused;
 
 	vp = ap->a_vp;
 	lk = vp->v_vnlock;
 
 	LOCK_LOG_LOCK("SUNLOCK", &lk->lock_object, 0, 0, LOCK_FILE,
 	    LOCK_LINE);
 	return (0);
 }
 
 static struct vop_vector crossmp_vnodeops = {
 	.vop_default =		&default_vnodeops,
 	.vop_islocked =		crossmp_vop_islocked,
 	.vop_lock1 =		crossmp_vop_lock1,
 	.vop_unlock =		crossmp_vop_unlock,
 };
 /*
  * VFS_VOP_VECTOR_REGISTER(crossmp_vnodeops) is not used here since the vnode
  * gets allocated early. See nameiinit for the direct call below.
  */
 
 struct nameicap_tracker {
 	TAILQ_ENTRY(nameicap_tracker) nm_link;
 	struct mount *mp;
 };
 
 /* Zone for cap mode tracker elements used for dotdot capability checks. */
 MALLOC_DEFINE(M_NAMEITRACKER, "namei_tracker", "namei tracking for dotdot");
 
 static void
 nameiinit(void *dummy __unused)
 {
 
 	namei_zone = uma_zcreate("NAMEI", MAXPATHLEN, NULL, NULL, NULL, NULL,
 	    UMA_ALIGN_PTR, 0);
 	vfs_vector_op_register(&crossmp_vnodeops);
 	getnewvnode("crossmp", NULL, &crossmp_vnodeops, &vp_crossmp);
 	vp_crossmp->v_state = VSTATE_CONSTRUCTED;
 	vp_crossmp->v_irflag |= VIRF_CROSSMP;
 }
 SYSINIT(vfs, SI_SUB_VFS, SI_ORDER_SECOND, nameiinit, NULL);
 
 static int lookup_cap_dotdot = 1;
 SYSCTL_INT(_vfs, OID_AUTO, lookup_cap_dotdot, CTLFLAG_RWTUN,
     &lookup_cap_dotdot, 0,
     "enables \"..\" components in path lookup in capability mode");
 static int lookup_cap_dotdot_nonlocal = 1;
 SYSCTL_INT(_vfs, OID_AUTO, lookup_cap_dotdot_nonlocal, CTLFLAG_RWTUN,
     &lookup_cap_dotdot_nonlocal, 0,
     "enables \"..\" components in path lookup in capability mode "
     "on non-local mount");
 
 static int
 nameicap_tracker_add(struct nameidata *ndp, struct vnode *dp)
 {
 	struct nameicap_tracker *nt;
 	struct mount *mp;
 	int error;
 
 	if ((ndp->ni_lcf & NI_LCF_CAP_DOTDOT) == 0 || dp->v_type != VDIR)
 		return (0);
 	mp = NULL;
 	error = VOP_GETWRITEMOUNT(dp, &mp);
 	if (error != 0)
 		return (error);
 	nt = TAILQ_LAST(&ndp->ni_cap_tracker, nameicap_tracker_head);
 	if (nt != NULL && nt->mp == mp) {
 		vfs_rel(mp);
 		return (0);
 	}
 	nt = malloc(sizeof(*nt), M_NAMEITRACKER, M_WAITOK);
 	nt->mp = mp;
 	error = lockmgr(&mp->mnt_renamelock, LK_SHARED | LK_NOWAIT, 0);
 	if (error != 0) {
 		MPASS(ndp->ni_nctrack_mnt == NULL);
 		ndp->ni_nctrack_mnt = mp;
 		free(nt, M_NAMEITRACKER);
 		error = ERESTART;
 	} else {
 		TAILQ_INSERT_TAIL(&ndp->ni_cap_tracker, nt, nm_link);
 	}
 	return (error);
 }
 
 static void
 nameicap_cleanup(struct nameidata *ndp, int error)
 {
 	struct nameicap_tracker *nt, *nt1;
 	struct mount *mp;
 
 	KASSERT((ndp->ni_nctrack_mnt == NULL &&
 	    TAILQ_EMPTY(&ndp->ni_cap_tracker)) ||
 	    (ndp->ni_lcf & NI_LCF_CAP_DOTDOT) != 0,
 	    ("tracker active and not strictrelative"));
 
 	TAILQ_FOREACH_SAFE(nt, &ndp->ni_cap_tracker, nm_link, nt1) {
 		mp = nt->mp;
 		lockmgr(&mp->mnt_renamelock, LK_RELEASE, 0);
 		vfs_rel(mp);
 		TAILQ_REMOVE(&ndp->ni_cap_tracker, nt, nm_link);
 		free(nt, M_NAMEITRACKER);
 	}
 
 	mp = ndp->ni_nctrack_mnt;
 	if (mp != NULL) {
 		if (error == ERESTART) {
 			lockmgr(&mp->mnt_renamelock, LK_EXCLUSIVE, 0);
 			lockmgr(&mp->mnt_renamelock, LK_RELEASE, 0);
 		}
 		vfs_rel(mp);
 		ndp->ni_nctrack_mnt = NULL;
 	}
 }
 
 /*
  * For dotdot lookups in capability mode, disallow walking over the
  * directory no_rbeneath_dpp that was used as the starting point of
  * the lookup.  Since we take the mnt_renamelocks of all mounts we
  * ever walked over during lookup, parallel renames are disabled.
  * This prevents the situation where we circumvent walk over
  * ni_rbeneath_dpp following dotdots.
  *
  * Also allow to force failure of dotdot lookups for non-local
  * filesystems, where external agents might assist local lookups to
  * escape the compartment.
  */
 static int
 nameicap_check_dotdot(struct nameidata *ndp, struct vnode *dp)
 {
 	struct mount *mp;
 
 	if (dp == NULL || dp->v_type != VDIR || (ndp->ni_lcf &
 	    NI_LCF_STRICTREL) == 0)
 		return (0);
 	if (__predict_false((ndp->ni_lcf & (NI_LCF_STRICTREL_KTR |
 	    NI_LCF_CAP_DOTDOT_KTR)) == NI_LCF_STRICTREL_KTR))
 		NI_CAP_VIOLATION(ndp, ndp->ni_cnd.cn_pnbuf);
 	if ((ndp->ni_lcf & NI_LCF_CAP_DOTDOT) == 0)
 		goto violation;
 	if (dp == ndp->ni_rbeneath_dpp)
 		goto violation;
 	mp = dp->v_mount;
 	if (lookup_cap_dotdot_nonlocal == 0 && mp != NULL &&
 	    (mp->mnt_flag & MNT_LOCAL) == 0)
 		goto violation;
 	return (0);
 
 violation:
 	if (__predict_false((ndp->ni_lcf & NI_LCF_STRICTREL_KTR) != 0))
 		NI_CAP_VIOLATION(ndp, ndp->ni_cnd.cn_pnbuf);
 	return (ENOTCAPABLE);
 }
 
 static void
 namei_cleanup_cnp(struct componentname *cnp)
 {
 
 	uma_zfree(namei_zone, cnp->cn_pnbuf);
 	cnp->cn_pnbuf = NULL;
 	cnp->cn_nameptr = NULL;
 }
 
 static int
 namei_handle_root(struct nameidata *ndp, struct vnode **dpp)
 {
 	struct componentname *cnp;
 
 	cnp = &ndp->ni_cnd;
 	if (__predict_false((ndp->ni_lcf & (NI_LCF_STRICTREL |
 	    NI_LCF_STRICTREL_KTR)) != 0)) {
 		if ((ndp->ni_lcf & NI_LCF_STRICTREL_KTR) != 0)
 			NI_CAP_VIOLATION(ndp, cnp->cn_pnbuf);
 		if ((ndp->ni_lcf & NI_LCF_STRICTREL) != 0)
 			return (ENOTCAPABLE);
 	}
 	while (*(cnp->cn_nameptr) == '/') {
 		cnp->cn_nameptr++;
 		ndp->ni_pathlen--;
 	}
 	*dpp = ndp->ni_rootdir;
 	vrefact(*dpp);
 	return (0);
 }
 
 static int
 namei_setup(struct nameidata *ndp, struct vnode **dpp, struct pwd **pwdp)
 {
 	struct componentname *cnp;
 	struct thread *td;
 	struct pwd *pwd;
 	int error;
 	bool startdir_used;
 
 	cnp = &ndp->ni_cnd;
 	td = curthread;
 
 	startdir_used = false;
 	*pwdp = NULL;
 	*dpp = NULL;
 
 #ifdef CAPABILITY_MODE
 	/*
 	 * In capability mode, lookups must be restricted to happen in
 	 * the subtree with the root specified by the file descriptor:
 	 * - The root must be real file descriptor, not the pseudo-descriptor
 	 *   AT_FDCWD.
 	 * - The passed path must be relative and not absolute.
 	 * - If lookup_cap_dotdot is disabled, path must not contain the
 	 *   '..' components.
 	 * - If lookup_cap_dotdot is enabled, we verify that all '..'
 	 *   components lookups result in the directories which were
 	 *   previously walked by us, which prevents an escape from
 	 *   the relative root.
 	 */
 	if ((cnp->cn_flags & NOCAPCHECK) == 0) {
 		if (CAP_TRACING(td)) {
 			ndp->ni_lcf |= NI_LCF_STRICTREL_KTR;
 			if (ndp->ni_dirfd == AT_FDCWD)
 				NI_CAP_VIOLATION(ndp, "AT_FDCWD");
 		}
 		if (IN_CAPABILITY_MODE(td)) {
 			ndp->ni_lcf |= NI_LCF_STRICTREL;
 			ndp->ni_resflags |= NIRES_STRICTREL;
 			if (ndp->ni_dirfd == AT_FDCWD)
 				return (ECAPMODE);
 		}
 	}
 #endif
 	error = 0;
 
 	/*
 	 * Get starting point for the translation.
 	 */
 	pwd = pwd_hold(td);
 	/*
 	 * The reference on ni_rootdir is acquired in the block below to avoid
 	 * back-to-back atomics for absolute lookups.
 	 */
 	namei_setup_rootdir(ndp, cnp, pwd);
 	ndp->ni_topdir = pwd->pwd_jdir;
 
 	if (cnp->cn_pnbuf[0] == '/') {
 		ndp->ni_resflags |= NIRES_ABS;
 		error = namei_handle_root(ndp, dpp);
 	} else {
 		if (ndp->ni_startdir != NULL) {
 			*dpp = ndp->ni_startdir;
 			startdir_used = true;
 		} else if (ndp->ni_dirfd == AT_FDCWD) {
 			*dpp = pwd->pwd_cdir;
 			vrefact(*dpp);
 		} else {
 			if (cnp->cn_flags & AUDITVNODE1)
 				AUDIT_ARG_ATFD1(ndp->ni_dirfd);
 			if (cnp->cn_flags & AUDITVNODE2)
 				AUDIT_ARG_ATFD2(ndp->ni_dirfd);
 
 			error = fgetvp_lookup(ndp, dpp);
 		}
 		if (error == 0 && (*dpp)->v_type != VDIR &&
 		    (cnp->cn_flags & OPENNAMED) == 0 &&
 		    (cnp->cn_pnbuf[0] != '\0' ||
 		    (cnp->cn_flags & EMPTYPATH) == 0))
 			error = ENOTDIR;
 	}
 	if (error == 0 && (cnp->cn_flags & RBENEATH) != 0) {
 		if (cnp->cn_pnbuf[0] == '/') {
 			error = ENOTCAPABLE;
 		} else if ((ndp->ni_lcf & NI_LCF_STRICTREL) == 0) {
 			ndp->ni_lcf |= NI_LCF_STRICTREL |
 			    NI_LCF_CAP_DOTDOT;
 		}
 	}
 	if (error == 0 && (ndp->ni_lcf & NI_LCF_STRICTREL) != 0)
 		ndp->ni_rbeneath_dpp = *dpp;
 
 	/*
 	 * If we are auditing the kernel pathname, save the user pathname.
 	 */
 	if (AUDITING_TD(td)) {
 		if (cnp->cn_flags & AUDITVNODE1)
 			AUDIT_ARG_UPATH1_VP(td, ndp->ni_rootdir, *dpp, cnp->cn_pnbuf);
 		if (cnp->cn_flags & AUDITVNODE2)
 			AUDIT_ARG_UPATH2_VP(td, ndp->ni_rootdir, *dpp, cnp->cn_pnbuf);
 	}
 	if (ndp->ni_startdir != NULL && !startdir_used)
 		vrele(ndp->ni_startdir);
 	if (error != 0) {
 		if (*dpp != NULL)
 			vrele(*dpp);
 		pwd_drop(pwd);
 		return (error);
 	}
 	if (lookup_cap_dotdot != 0) {
 		if ((ndp->ni_lcf & NI_LCF_STRICTREL_KTR) != 0)
 			ndp->ni_lcf |= NI_LCF_CAP_DOTDOT_KTR;
 		if ((ndp->ni_lcf & NI_LCF_STRICTREL) != 0)
 			ndp->ni_lcf |= NI_LCF_CAP_DOTDOT;
 	}
 	SDT_PROBE4(vfs, namei, lookup, entry, *dpp, cnp->cn_pnbuf,
 	    cnp->cn_flags, false);
 	*pwdp = pwd;
 	return (0);
 }
 
 static int
 namei_getpath(struct nameidata *ndp)
 {
 	struct componentname *cnp;
 	int error;
 
 	cnp = &ndp->ni_cnd;
 
 	/*
 	 * Get a buffer for the name to be translated, and copy the
 	 * name into the buffer.
 	 */
 	cnp->cn_pnbuf = uma_zalloc(namei_zone, M_WAITOK);
 	if (ndp->ni_segflg == UIO_SYSSPACE) {
 		error = copystr(ndp->ni_dirp, cnp->cn_pnbuf, MAXPATHLEN,
 		    &ndp->ni_pathlen);
 	} else {
 		error = copyinstr(ndp->ni_dirp, cnp->cn_pnbuf, MAXPATHLEN,
 		    &ndp->ni_pathlen);
 	}
 
 	return (error);
 }
 
 static int
 namei_emptypath(struct nameidata *ndp)
 {
 	struct componentname *cnp;
 	struct pwd *pwd;
 	struct vnode *dp;
 	int error;
 
 	cnp = &ndp->ni_cnd;
 	MPASS(*cnp->cn_pnbuf == '\0');
 	MPASS((cnp->cn_flags & EMPTYPATH) != 0);
 	MPASS((cnp->cn_flags & (LOCKPARENT | WANTPARENT)) == 0);
 
 	ndp->ni_resflags |= NIRES_EMPTYPATH;
 	error = namei_setup(ndp, &dp, &pwd);
 	if (error != 0) {
 		goto errout;
 	}
 
 	/*
 	 * Usecount on dp already provided by namei_setup.
 	 */
 	ndp->ni_vp = dp;
 	pwd_drop(pwd);
 	NDVALIDATE(ndp);
 	if ((cnp->cn_flags & LOCKLEAF) != 0) {
 		VOP_LOCK(dp, (cnp->cn_flags & LOCKSHARED) != 0 ?
 		    LK_SHARED : LK_EXCLUSIVE);
 		if (VN_IS_DOOMED(dp)) {
 			vput(dp);
 			error = ENOENT;
 			goto errout;
 		}
 	}
 	SDT_PROBE4(vfs, namei, lookup, return, 0, ndp->ni_vp, false, ndp);
 	return (0);
 
 errout:
 	SDT_PROBE4(vfs, namei, lookup, return, error, NULL, false, ndp);
 	namei_cleanup_cnp(cnp);
 	return (error);
 }
 
 static int __noinline
 namei_follow_link(struct nameidata *ndp)
 {
 	char *cp;
 	struct iovec aiov;
 	struct uio auio;
 	struct componentname *cnp;
 	struct thread *td;
 	int error, linklen;
 
 	error = 0;
 	cnp = &ndp->ni_cnd;
 	td = curthread;
 
 	if (ndp->ni_loopcnt++ >= MAXSYMLINKS) {
 		error = ELOOP;
 		goto out;
 	}
 #ifdef MAC
 	if ((cnp->cn_flags & NOMACCHECK) == 0) {
 		error = mac_vnode_check_readlink(td->td_ucred, ndp->ni_vp);
 		if (error != 0)
 			goto out;
 	}
 #endif
 	if (ndp->ni_pathlen > 1)
 		cp = uma_zalloc(namei_zone, M_WAITOK);
 	else
 		cp = cnp->cn_pnbuf;
 	aiov.iov_base = cp;
 	aiov.iov_len = MAXPATHLEN;
 	auio.uio_iov = &aiov;
 	auio.uio_iovcnt = 1;
 	auio.uio_offset = 0;
 	auio.uio_rw = UIO_READ;
 	auio.uio_segflg = UIO_SYSSPACE;
 	auio.uio_td = td;
 	auio.uio_resid = MAXPATHLEN;
 	error = VOP_READLINK(ndp->ni_vp, &auio, cnp->cn_cred);
 	if (error != 0) {
 		if (ndp->ni_pathlen > 1)
 			uma_zfree(namei_zone, cp);
 		goto out;
 	}
 	linklen = MAXPATHLEN - auio.uio_resid;
 	if (linklen == 0) {
 		if (ndp->ni_pathlen > 1)
 			uma_zfree(namei_zone, cp);
 		error = ENOENT;
 		goto out;
 	}
 	if (linklen + ndp->ni_pathlen > MAXPATHLEN) {
 		if (ndp->ni_pathlen > 1)
 			uma_zfree(namei_zone, cp);
 		error = ENAMETOOLONG;
 		goto out;
 	}
 	if (ndp->ni_pathlen > 1) {
 		bcopy(ndp->ni_next, cp + linklen, ndp->ni_pathlen);
 		uma_zfree(namei_zone, cnp->cn_pnbuf);
 		cnp->cn_pnbuf = cp;
 	} else
 		cnp->cn_pnbuf[linklen] = '\0';
 	ndp->ni_pathlen += linklen;
 out:
 	return (error);
 }
 
 /*
  * Convert a pathname into a pointer to a locked vnode.
  *
  * The FOLLOW flag is set when symbolic links are to be followed
  * when they occur at the end of the name translation process.
  * Symbolic links are always followed for all other pathname
  * components other than the last.
  *
  * The segflg defines whether the name is to be copied from user
  * space or kernel space.
  *
  * Overall outline of namei:
  *
  *	copy in name
  *	get starting directory
  *	while (!done && !error) {
  *		call lookup to search path.
  *		if symbolic link, massage name in buffer and continue
  *	}
  */
 int
 namei(struct nameidata *ndp)
 {
 	struct vnode *dp;	/* the directory we are searching */
 	struct componentname *cnp;
 	struct thread *td;
 	struct pwd *pwd;
 	int error;
 	enum cache_fpl_status status;
 
 	cnp = &ndp->ni_cnd;
 	td = curthread;
 #ifdef INVARIANTS
 	KASSERT((ndp->ni_debugflags & NAMEI_DBG_CALLED) == 0,
 	    ("%s: repeated call to namei without NDREINIT", __func__));
 	KASSERT(ndp->ni_debugflags == NAMEI_DBG_INITED,
 	    ("%s: bad debugflags %d", __func__, ndp->ni_debugflags));
 	ndp->ni_debugflags |= NAMEI_DBG_CALLED;
 	if (ndp->ni_startdir != NULL)
 		ndp->ni_debugflags |= NAMEI_DBG_HADSTARTDIR;
 	if (cnp->cn_flags & FAILIFEXISTS) {
 		KASSERT(cnp->cn_nameiop == CREATE,
 		    ("%s: FAILIFEXISTS passed for op %d", __func__, cnp->cn_nameiop));
 		/*
 		 * The limitation below is to restrict hairy corner cases.
 		 */
 		KASSERT((cnp->cn_flags & (LOCKPARENT | LOCKLEAF)) == LOCKPARENT,
 		    ("%s: FAILIFEXISTS must be passed with LOCKPARENT and without LOCKLEAF",
 		    __func__));
 	}
 #endif
 	ndp->ni_cnd.cn_cred = td->td_ucred;
 	KASSERT(ndp->ni_resflags == 0, ("%s: garbage in ni_resflags: %x",
 	    __func__, ndp->ni_resflags));
 	KASSERT(cnp->cn_cred && td->td_proc, ("namei: bad cred/proc"));
 	KASSERT((cnp->cn_flags & NAMEI_INTERNAL_FLAGS) == 0,
 	    ("namei: unexpected flags: %#jx",
 	    (uintmax_t)(cnp->cn_flags & NAMEI_INTERNAL_FLAGS)));
 	if (cnp->cn_flags & NOCACHE)
 		KASSERT(cnp->cn_nameiop != LOOKUP,
 		    ("%s: NOCACHE passed with LOOKUP", __func__));
 	MPASS(ndp->ni_startdir == NULL || ndp->ni_startdir->v_type == VDIR ||
 	    ndp->ni_startdir->v_type == VBAD);
 
 restart:
 	ndp->ni_lcf = 0;
 	ndp->ni_loopcnt = 0;
 	ndp->ni_vp = NULL;
 
 	error = namei_getpath(ndp);
 	if (__predict_false(error != 0)) {
 		namei_cleanup_cnp(cnp);
 		nameicap_cleanup(ndp, error);
 		SDT_PROBE4(vfs, namei, lookup, return, error, NULL,
 		    false, ndp);
 		return (error);
 	}
 
 	cnp->cn_nameptr = cnp->cn_pnbuf;
 
 #ifdef KTRACE
 	if (KTRPOINT(td, KTR_NAMEI)) {
 		ktrnamei(cnp->cn_pnbuf);
 	}
 #endif
 	TSNAMEI(curthread->td_proc->p_pid, cnp->cn_pnbuf);
 
 	/*
 	 * First try looking up the target without locking any vnodes.
 	 *
 	 * We may need to start from scratch or pick up where it left off.
 	 */
 	error = cache_fplookup(ndp, &status, &pwd);
 	switch (status) {
 	case CACHE_FPL_STATUS_UNSET:
 		__assert_unreachable();
 		break;
 	case CACHE_FPL_STATUS_HANDLED:
 		if (error == 0)
 			NDVALIDATE(ndp);
 		else if (__predict_false(pwd->pwd_adir != pwd->pwd_rdir &&
 		    (cnp->cn_flags & ISRESTARTED) == 0)) {
 			namei_cleanup_cnp(cnp);
 			nameicap_cleanup(ndp, ERESTART);
 			NDRESTART(ndp);
 			goto restart;
 		}
 		return (error);
 	case CACHE_FPL_STATUS_PARTIAL:
 		dp = ndp->ni_startdir;
 		break;
 	case CACHE_FPL_STATUS_DESTROYED:
 		ndp->ni_loopcnt = 0;
 		error = namei_getpath(ndp);
 		if (__predict_false(error != 0)) {
 			namei_cleanup_cnp(cnp);
 			nameicap_cleanup(ndp, error);
 			return (error);
 		}
 		cnp->cn_nameptr = cnp->cn_pnbuf;
 		/* FALLTHROUGH */
 	case CACHE_FPL_STATUS_ABORTED:
 		MPASS(ndp->ni_lcf == 0);
 		if (*cnp->cn_pnbuf == '\0') {
 			if ((cnp->cn_flags & EMPTYPATH) != 0) {
 				error = namei_emptypath(ndp);
 				nameicap_cleanup(ndp, error);
 				return (error);
 			}
 			namei_cleanup_cnp(cnp);
 			nameicap_cleanup(ndp, ENOENT);
 			SDT_PROBE4(vfs, namei, lookup, return, ENOENT, NULL,
 			    false, ndp);
 			return (ENOENT);
 		}
 		error = namei_setup(ndp, &dp, &pwd);
 		if (error != 0) {
 			namei_cleanup_cnp(cnp);
 			nameicap_cleanup(ndp, error);
 			return (error);
 		}
 		break;
 	}
 
 	/*
 	 * Locked lookup.
 	 */
 	for (;;) {
 		ndp->ni_startdir = dp;
 		error = vfs_lookup(ndp);
 		if (error != 0) {
 			uint64_t was_restarted;
 			bool abi_restart;
 
 			was_restarted = ndp->ni_cnd.cn_flags &
 			    ISRESTARTED;
 			abi_restart = pwd->pwd_adir != pwd->pwd_rdir &&
 			    error == ENOENT && was_restarted == 0;
 			if (error != ERESTART && !abi_restart)
 				goto out;
 			nameicap_cleanup(ndp, error);
 			pwd_drop(pwd);
 			namei_cleanup_cnp(cnp);
 			NDRESET(ndp);
 			if (abi_restart)
 				was_restarted = ISRESTARTED;
 			ndp->ni_cnd.cn_flags |= was_restarted;
 			goto restart;
 		}
 
 		/*
 		 * If not a symbolic link, we're done.
 		 */
 		if ((cnp->cn_flags & ISSYMLINK) == 0) {
 			SDT_PROBE4(vfs, namei, lookup, return, error,
 			    ndp->ni_vp, false, ndp);
 			nameicap_cleanup(ndp, 0);
 			pwd_drop(pwd);
 			NDVALIDATE(ndp);
 			return (0);
 		}
 		error = namei_follow_link(ndp);
 		if (error != 0)
 			break;
 		vput(ndp->ni_vp);
 		dp = ndp->ni_dvp;
 		/*
 		 * Check if root directory should replace current directory.
 		 */
 		cnp->cn_nameptr = cnp->cn_pnbuf;
 		if (*(cnp->cn_nameptr) == '/') {
 			/*
 			 * Reset the lookup to start from the real root without
 			 * origin path name reloading.
 			 */
 			if (__predict_false(ndp->ni_rootdir != pwd->pwd_rdir)) {
 				cnp->cn_flags |= ISRESTARTED;
 				ndp->ni_rootdir = pwd->pwd_rdir;
 			}
 			vrele(dp);
 			error = namei_handle_root(ndp, &dp);
 			if (error != 0)
 				goto out;
 		}
 	}
 	vput(ndp->ni_vp);
 	ndp->ni_vp = NULL;
 	vrele(ndp->ni_dvp);
 out:
 	MPASS(error != 0 && error != ERESTART);
 	SDT_PROBE4(vfs, namei, lookup, return, error, NULL, false, ndp);
 	namei_cleanup_cnp(cnp);
 	nameicap_cleanup(ndp, error);
 	pwd_drop(pwd);
 	return (error);
 }
 
 static int
 enforce_lkflags(struct mount *mp, int lkflags)
 {
 
 	if (mp == NULL || ((lkflags & LK_SHARED) &&
 	    !(mp->mnt_kern_flag & MNTK_LOOKUP_SHARED))) {
 		lkflags &= ~LK_SHARED;
 		lkflags |= LK_EXCLUSIVE;
 	}
 	lkflags |= LK_NODDLKTREAT;
 	return (lkflags);
 }
 
 static __inline int
 needs_exclusive_leaf(struct mount *mp, int flags)
 {
 
 	/*
 	 * Intermediate nodes can use shared locks, we only need to
 	 * force an exclusive lock for leaf nodes.
 	 */
 	if ((flags & (ISLASTCN | LOCKLEAF)) != (ISLASTCN | LOCKLEAF))
 		return (0);
 
 	/* Always use exclusive locks if LOCKSHARED isn't set. */
 	if (!(flags & LOCKSHARED))
 		return (1);
 
 	/*
 	 * For lookups during open(), if the mount point supports
 	 * extended shared operations, then use a shared lock for the
 	 * leaf node, otherwise use an exclusive lock.
 	 */
 	if ((flags & ISOPEN) != 0)
 		return (!MNT_EXTENDED_SHARED(mp));
 
 	/*
 	 * Lookup requests outside of open() that specify LOCKSHARED
 	 * only need a shared lock on the leaf vnode.
 	 */
 	return (0);
 }
 
 /*
  * Various filesystems expect to be able to copy a name component with length
  * bounded by NAME_MAX into a directory entry buffer of size MAXNAMLEN.  Make
  * sure that these are the same size.
  */
 _Static_assert(MAXNAMLEN == NAME_MAX,
     "MAXNAMLEN and NAME_MAX have different values");
 
 static int __noinline
 vfs_lookup_degenerate(struct nameidata *ndp, struct vnode *dp, int wantparent)
 {
 	struct componentname *cnp;
 	struct mount *mp;
 	int error;
 
 	cnp = &ndp->ni_cnd;
 
 	cnp->cn_flags |= ISLASTCN;
 
 	mp = atomic_load_ptr(&dp->v_mount);
 	if (needs_exclusive_leaf(mp, cnp->cn_flags)) {
 		cnp->cn_lkflags &= ~LK_SHARED;
 		cnp->cn_lkflags |= LK_EXCLUSIVE;
 	}
 
 	vn_lock(dp, enforce_lkflags(mp, cnp->cn_lkflags | LK_RETRY));
 
 	if (dp->v_type != VDIR) {
 		error = ENOTDIR;
 		goto bad;
 	}
 	if (cnp->cn_nameiop != LOOKUP) {
 		error = EISDIR;
 		goto bad;
 	}
 	if (wantparent) {
 		ndp->ni_dvp = dp;
-		VREF(dp);
+		vref(dp);
 	}
 	ndp->ni_vp = dp;
 	cnp->cn_namelen = 0;
 
 	if (cnp->cn_flags & AUDITVNODE1)
 		AUDIT_ARG_VNODE1(dp);
 	else if (cnp->cn_flags & AUDITVNODE2)
 		AUDIT_ARG_VNODE2(dp);
 
 	if (!(cnp->cn_flags & (LOCKPARENT | LOCKLEAF)))
 		VOP_UNLOCK(dp);
 	return (0);
 bad:
 	VOP_UNLOCK(dp);
 	return (error);
 }
 
 struct nameidata *
 vfs_lookup_nameidata(struct componentname *cnp)
 {
 	if ((cnp->cn_flags & NAMEILOOKUP) == 0)
 		return (NULL);
 	return (__containerof(cnp, struct nameidata, ni_cnd));
 }
 
 /*
  * Would a dotdot lookup relative to dvp cause this lookup to cross a jail or
  * chroot boundary?
  */
 bool
 vfs_lookup_isroot(struct nameidata *ndp, struct vnode *dvp)
 {
 	for (struct prison *pr = ndp->ni_cnd.cn_cred->cr_prison; pr != NULL;
 	    pr = pr->pr_parent) {
 		if (dvp == pr->pr_root)
 			return (true);
 	}
 	return (dvp == ndp->ni_rootdir || dvp == ndp->ni_topdir ||
 	    dvp == rootvnode);
 }
 
 /*
  * FAILIFEXISTS handling.
  *
  * XXX namei called with LOCKPARENT but not LOCKLEAF has the strange
  * behaviour of leaving the vnode unlocked if the target is the same
  * vnode as the parent.
  */
 static int __noinline
 vfs_lookup_failifexists(struct nameidata *ndp)
 {
 	struct componentname *cnp __diagused;
 
 	cnp = &ndp->ni_cnd;
 
 	MPASS((cnp->cn_flags & ISSYMLINK) == 0);
 	if (ndp->ni_vp == ndp->ni_dvp)
 		vrele(ndp->ni_dvp);
 	else
 		vput(ndp->ni_dvp);
 	vrele(ndp->ni_vp);
 	ndp->ni_dvp = NULL;
 	ndp->ni_vp = NULL;
 	NDFREE_PNBUF(ndp);
 	return (EEXIST);
 }
 
 static int __noinline
 vfs_lookup_cross_mount(struct nameidata *ndp)
 {
 	struct componentname *cnp;
 	struct mount *mp;
 	struct vnode *dp, *tdp;
 	int error, crosslkflags;
 	bool crosslock;
 
 	cnp = &ndp->ni_cnd;
 	dp = ndp->ni_vp;
 
 	/*
 	 * The vnode has been mounted on, find the root of the mounted
 	 * filesystem.
 	 */
 	do {
 		mp = dp->v_mountedhere;
 		ASSERT_VOP_LOCKED(dp, __func__);
 		VNPASS((vn_irflag_read(dp) & VIRF_MOUNTPOINT) != 0 && mp != NULL, dp);
 
 		crosslock = (dp->v_vflag & VV_CROSSLOCK) != 0;
 		crosslkflags = enforce_lkflags(mp, cnp->cn_lkflags);
 		if (__predict_false(crosslock)) {
 			/*
 			 * We are going to be holding the vnode lock, which
 			 * in this case is shared by the root vnode of the
 			 * filesystem mounted at mp, across the call to
 			 * VFS_ROOT().  Make the situation clear to the
 			 * filesystem by passing LK_CANRECURSE if the
 			 * lock is held exclusive, or by clearinng
 			 * LK_NODDLKTREAT to allow recursion on the shared
 			 * lock in the presence of an exclusive waiter.
 			 */
 			if (VOP_ISLOCKED(dp) == LK_EXCLUSIVE) {
 				crosslkflags &= ~LK_SHARED;
 				crosslkflags |= LK_EXCLUSIVE | LK_CANRECURSE;
 			} else if ((crosslkflags & LK_EXCLUSIVE) != 0) {
 				error = vn_lock(dp, LK_UPGRADE);
 				if (error != 0) {
 					MPASS(error == ENOENT);
 					vrele(dp);
 					if (dp != ndp->ni_dvp)
 						vput(ndp->ni_dvp);
 					else
 						vrele(ndp->ni_dvp);
 					break;
 				}
 				if (dp->v_mountedhere != mp) {
 					/*
 					 * Note that we rely on the
 					 * VIRF_MOUNTPOINT loop condition to
 					 * ensure we stop iterating if dp is
 					 * no longer a mountpoint at all.
 					 */
 					continue;
 				}
 			} else
 				crosslkflags &= ~LK_NODDLKTREAT;
 		}
 		if (vfs_busy(mp, 0) != 0)
 			continue;
 		if (__predict_true(!crosslock))
 			vput(dp);
 		if (dp != ndp->ni_dvp)
 			vput(ndp->ni_dvp);
 		else
 			vrele(ndp->ni_dvp);
 		vrefact(vp_crossmp);
 		ndp->ni_dvp = vp_crossmp;
 		error = VFS_ROOT(mp, crosslkflags, &tdp);
 		vfs_unbusy(mp);
 		if (__predict_false(crosslock))
 			vput(dp);
 		if (vn_lock(vp_crossmp, LK_SHARED | LK_NOWAIT))
 			panic("vp_crossmp exclusively locked or reclaimed");
 		if (error != 0)
 			break;
 		ndp->ni_vp = dp = tdp;
 	} while ((vn_irflag_read(dp) & VIRF_MOUNTPOINT) != 0);
 
 	return (error);
 }
 
 /*
  * Search a pathname.
  * This is a very central and rather complicated routine.
  *
  * The pathname is pointed to by cn_nameptr and is of length ni_pathlen.
  * The starting directory is taken from ni_startdir. The pathname is
  * descended until done, or a symbolic link is encountered. The cn_flags
  * has ISLASTCN or'ed if the path is completed or ISSYMLINK or'ed if a
  * symbolic link needing interpretation is encountered.
  *
  * The cn_nameiop is LOOKUP, CREATE, RENAME, or DELETE depending on
  * whether the name is to be looked up, created, renamed, or deleted.
  * When CREATE, RENAME, or DELETE is specified, information usable in
  * creating, renaming, or deleting a directory entry may be calculated.
  * If cn_flags has LOCKPARENT or'ed into it, the parent directory is returned
  * locked. If it has WANTPARENT or'ed into it, the parent directory is
  * returned unlocked. Otherwise the parent directory is not returned. If
  * the target of the pathname exists and LOCKLEAF is or'ed into the cn_flags
  * the target is returned locked, otherwise it is returned unlocked.
  *
  * Overall outline of lookup:
  *
  *	handle degenerate case where name is null string
  *
  * dirloop:
  *	identify next component of name at ndp->ni_cnd.cn_nameptr
  *	handle .. special cases related to capabilities, chroot, jail
  *	if .. and crossing mount points and on mounted filesys, find parent
  *	call VOP_LOOKUP routine for next component name
  *	    directory vnode returned in ni_dvp, unlocked unless LOCKPARENT set
  *	    component vnode returned in ni_vp (if it exists), locked.
  *	if result vnode is mounted on and crossing mount points,
  *	    find mounted on vnode
  *	if more components of name, do next level at dirloop
  *	if VOP_LOOKUP returns ERELOOKUP, repeat the same level at dirloop
  *	return the answer in ni_vp, locked if LOCKLEAF set
  *	    if LOCKPARENT set, return locked parent in ni_dvp
  *	    if WANTPARENT set, return unlocked parent in ni_dvp
  */
 int
 vfs_lookup(struct nameidata *ndp)
 {
 	char *cp;			/* pointer into pathname argument */
 	char *prev_ni_next;		/* saved ndp->ni_next */
 	char *nulchar;			/* location of '\0' in cn_pnbuf */
 	char *lastchar;			/* location of the last character */
 	struct vnode *dp = NULL;	/* the directory we are searching */
 	struct vnode *tdp;		/* saved dp */
 	size_t prev_ni_pathlen;		/* saved ndp->ni_pathlen */
 	int docache;			/* == 0 do not cache last component */
 	int wantparent;			/* 1 => wantparent or lockparent flag */
 	int rdonly;			/* lookup read-only flag bit */
 	int error = 0;
 	int relookup = 0;		/* do not consume the path component */
 	struct componentname *cnp = &ndp->ni_cnd;
 	int lkflags_save;
 	int ni_dvp_unlocked;
 
 	/*
 	 * Setup: break out flag bits into variables.
 	 */
 	ni_dvp_unlocked = 0;
 	wantparent = cnp->cn_flags & (LOCKPARENT | WANTPARENT);
 	KASSERT(cnp->cn_nameiop == LOOKUP || wantparent,
 	    ("CREATE, DELETE, RENAME require LOCKPARENT or WANTPARENT."));
 	/*
 	 * When set to zero, docache causes the last component of the
 	 * pathname to be deleted from the cache and the full lookup
 	 * of the name to be done (via VOP_CACHEDLOOKUP()). Often
 	 * filesystems need some pre-computed values that are made
 	 * during the full lookup, for instance UFS sets dp->i_offset.
 	 *
 	 * The docache variable is set to zero when requested by the
 	 * NOCACHE flag and for all modifying operations except CREATE.
 	 */
 	docache = (cnp->cn_flags & NOCACHE) ^ NOCACHE;
 	if (cnp->cn_nameiop == DELETE ||
 	    (wantparent && cnp->cn_nameiop != CREATE &&
 	     cnp->cn_nameiop != LOOKUP))
 		docache = 0;
 	rdonly = cnp->cn_flags & RDONLY;
 	cnp->cn_flags &= ~ISSYMLINK;
 	ndp->ni_dvp = NULL;
 
 	cnp->cn_lkflags = LK_SHARED;
 	dp = ndp->ni_startdir;
 	ndp->ni_startdir = NULL;
 
 	/*
 	 * Leading slashes, if any, are supposed to be skipped by the caller.
 	 */
 	MPASS(cnp->cn_nameptr[0] != '/');
 
 	/*
 	 * Check for degenerate name (e.g. / or "") which is a way of talking
 	 * about a directory, e.g. like "/." or ".".
 	 */
 	if (__predict_false(cnp->cn_nameptr[0] == '\0')) {
 		error = vfs_lookup_degenerate(ndp, dp, wantparent);
 		if (error == 0)
 			goto success_right_lock;
 		goto bad_unlocked;
 	}
 
 	/*
 	 * Nul-out trailing slashes (e.g., "foo///" -> "foo").
 	 *
 	 * This must be done before VOP_LOOKUP() because some fs's don't know
 	 * about trailing slashes.  Remember if there were trailing slashes to
 	 * handle symlinks, existing non-directories and non-existing files
 	 * that won't be directories specially later.
 	 */
 	MPASS(ndp->ni_pathlen >= 2);
 	lastchar = &cnp->cn_nameptr[ndp->ni_pathlen - 2];
 	if (*lastchar == '/') {
 		while (lastchar >= cnp->cn_pnbuf) {
 			*lastchar = '\0';
 			lastchar--;
 			ndp->ni_pathlen--;
 			if (*lastchar != '/') {
 				break;
 			}
 		}
 		cnp->cn_flags |= TRAILINGSLASH;
 	}
 
 	/*
 	 * We use shared locks until we hit the parent of the last cn then
 	 * we adjust based on the requesting flags.
 	 */
 	vn_lock(dp,
 	    enforce_lkflags(dp->v_mount, cnp->cn_lkflags | LK_RETRY));
 
 dirloop:
 	/*
 	 * Search a new directory.
 	 *
 	 * The last component of the filename is left accessible via
 	 * cnp->cn_nameptr. It has to be freed with a call to NDFREE*.
 	 *
 	 * Store / as a temporary sentinel so that we only have one character
 	 * to test for. Pathnames tend to be short so this should not be
 	 * resulting in cache misses.
 	 */
 	nulchar = &cnp->cn_nameptr[ndp->ni_pathlen - 1];
 	KASSERT(*nulchar == '\0',
 	    ("%s: expected nul at %p; string [%s]\n", __func__, nulchar,
 	    cnp->cn_pnbuf));
 	*nulchar = '/';
 	for (cp = cnp->cn_nameptr; *cp != '/'; cp++) {
 		KASSERT(*cp != '\0',
 		    ("%s: encountered unexpected nul; string [%s]\n", __func__,
 		    cnp->cn_nameptr));
 		continue;
 	}
 	*nulchar = '\0';
 	cnp->cn_namelen = cp - cnp->cn_nameptr;
 	if (__predict_false(cnp->cn_namelen > NAME_MAX)) {
 		error = ENAMETOOLONG;
 		goto bad;
 	}
 	prev_ni_pathlen = ndp->ni_pathlen;
 	ndp->ni_pathlen -= cnp->cn_namelen;
 	KASSERT(ndp->ni_pathlen <= PATH_MAX,
 	    ("%s: ni_pathlen underflow to %zd\n", __func__, ndp->ni_pathlen));
 	prev_ni_next = ndp->ni_next;
 	ndp->ni_next = cp;
 
 	/*
 	 * Something else should be clearing this.
 	 */
 	cnp->cn_flags &= ~(ISDOTDOT|ISLASTCN);
 
 	cnp->cn_flags |= MAKEENTRY;
 	if (*cp == '\0' && docache == 0)
 		cnp->cn_flags &= ~MAKEENTRY;
 	if (cnp->cn_namelen == 2 &&
 	    cnp->cn_nameptr[1] == '.' && cnp->cn_nameptr[0] == '.')
 		cnp->cn_flags |= ISDOTDOT;
 	if (*ndp->ni_next == 0) {
 		cnp->cn_flags |= ISLASTCN;
 
 		if (__predict_false(cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.' &&
 		    (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME))) {
 			error = EINVAL;
 			goto bad;
 		}
 	}
 
 	error = nameicap_tracker_add(ndp, dp);
 	if (error != 0)
 		goto bad;
 
 	/*
 	 * Make sure degenerate names don't get here, their handling was
 	 * previously found in this spot.
 	 */
 	MPASS(cnp->cn_nameptr[0] != '\0');
 
 	/*
 	 * Handle "..": five special cases.
 	 * 0. If doing a capability lookup and lookup_cap_dotdot is
 	 *    disabled, return ENOTCAPABLE.
 	 * 1. Return an error if this is the last component of
 	 *    the name and the operation is DELETE or RENAME.
 	 * 2. If at root directory (e.g. after chroot)
 	 *    or at absolute root directory
 	 *    then ignore it so can't get out.
 	 * 3. If this vnode is the root of a mounted
 	 *    filesystem, then replace it with the
 	 *    vnode which was mounted on so we take the
 	 *    .. in the other filesystem.
 	 * 4. If the vnode is the top directory of
 	 *    the jail or chroot, don't let them out.
 	 * 5. If doing a capability lookup and lookup_cap_dotdot is
 	 *    enabled, return ENOTCAPABLE if the lookup would escape
 	 *    from the initial file descriptor directory.
 	 */
 	if (cnp->cn_flags & ISDOTDOT) {
 		if (__predict_false((ndp->ni_lcf & (NI_LCF_STRICTREL_KTR |
 		    NI_LCF_CAP_DOTDOT_KTR)) == NI_LCF_STRICTREL_KTR))
 			NI_CAP_VIOLATION(ndp, cnp->cn_pnbuf);
 		if (__predict_false((ndp->ni_lcf & (NI_LCF_STRICTREL |
 		    NI_LCF_CAP_DOTDOT)) == NI_LCF_STRICTREL)) {
 			error = ENOTCAPABLE;
 			goto bad;
 		}
 		if ((cnp->cn_flags & ISLASTCN) != 0 &&
 		    (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME)) {
 			error = EINVAL;
 			goto bad;
 		}
 		for (;;) {
 			bool isroot;
 
 			isroot = vfs_lookup_isroot(ndp, dp);
 			if (__predict_false(isroot && (ndp->ni_lcf &
 			    (NI_LCF_STRICTREL | NI_LCF_STRICTREL_KTR)) != 0)) {
 				if ((ndp->ni_lcf & NI_LCF_STRICTREL_KTR) != 0)
 					NI_CAP_VIOLATION(ndp, cnp->cn_pnbuf);
 				if ((ndp->ni_lcf & NI_LCF_STRICTREL) != 0) {
 					error = ENOTCAPABLE;
 					goto bad;
 				}
 			}
 			if (isroot || ((dp->v_vflag & VV_ROOT) != 0 &&
 			    (cnp->cn_flags & NOCROSSMOUNT) != 0)) {
 				ndp->ni_dvp = dp;
 				ndp->ni_vp = dp;
-				VREF(dp);
+				vref(dp);
 				goto nextname;
 			}
 			if ((dp->v_vflag & VV_ROOT) == 0)
 				break;
 			if (VN_IS_DOOMED(dp)) {	/* forced unmount */
 				error = ENOENT;
 				goto bad;
 			}
 			tdp = dp;
 			dp = dp->v_mount->mnt_vnodecovered;
-			VREF(dp);
+			vref(dp);
 			vput(tdp);
 			vn_lock(dp,
 			    enforce_lkflags(dp->v_mount, cnp->cn_lkflags |
 			    LK_RETRY));
 		}
 	}
 
 	/*
 	 * We now have a segment name to search for, and a directory to search.
 	 */
 unionlookup:
 #ifdef MAC
 	error = mac_vnode_check_lookup(cnp->cn_cred, dp, cnp);
 	if (__predict_false(error))
 		goto bad;
 #endif
 	ndp->ni_dvp = dp;
 	ndp->ni_vp = NULL;
 	ASSERT_VOP_LOCKED(dp, "lookup");
 	/*
 	 * If we have a shared lock we may need to upgrade the lock for the
 	 * last operation.
 	 */
 	if ((cnp->cn_flags & LOCKPARENT) && (cnp->cn_flags & ISLASTCN) &&
 	    dp != vp_crossmp && VOP_ISLOCKED(dp) == LK_SHARED)
 		vn_lock(dp, LK_UPGRADE|LK_RETRY);
 	if (VN_IS_DOOMED(dp)) {
 		error = ENOENT;
 		goto bad;
 	}
 	/*
 	 * If we're looking up the last component and we need an exclusive
 	 * lock, adjust our lkflags.
 	 */
 	if (needs_exclusive_leaf(dp->v_mount, cnp->cn_flags))
 		cnp->cn_lkflags = LK_EXCLUSIVE;
 	lkflags_save = cnp->cn_lkflags;
 	cnp->cn_lkflags = enforce_lkflags(dp->v_mount, cnp->cn_lkflags);
 	error = VOP_LOOKUP(dp, &ndp->ni_vp, cnp);
 	cnp->cn_lkflags = lkflags_save;
 	if (error != 0) {
 		KASSERT(ndp->ni_vp == NULL, ("leaf should be empty"));
 		if ((error == ENOENT) &&
 		    (dp->v_vflag & VV_ROOT) && (dp->v_mount != NULL) &&
 		    (dp->v_mount->mnt_flag & MNT_UNION)) {
 			tdp = dp;
 			dp = dp->v_mount->mnt_vnodecovered;
-			VREF(dp);
+			vref(dp);
 			vput(tdp);
 			vn_lock(dp,
 			    enforce_lkflags(dp->v_mount, cnp->cn_lkflags |
 			    LK_RETRY));
 			error = nameicap_tracker_add(ndp, dp);
 			if (error != 0)
 				goto bad;
 			goto unionlookup;
 		}
 
 		if (error == ERELOOKUP) {
 			vref(dp);
 			ndp->ni_vp = dp;
 			error = 0;
 			relookup = 1;
 			goto good;
 		}
 
 		if (error != EJUSTRETURN)
 			goto bad;
 		/*
 		 * At this point, we know we're at the end of the
 		 * pathname.  If creating / renaming, we can consider
 		 * allowing the file or directory to be created / renamed,
 		 * provided we're not on a read-only filesystem.
 		 */
 		if (rdonly) {
 			error = EROFS;
 			goto bad;
 		}
 		/* trailing slash only allowed for directories */
 		if ((cnp->cn_flags & TRAILINGSLASH) &&
 		    !(cnp->cn_flags & WILLBEDIR)) {
 			error = ENOENT;
 			goto bad;
 		}
 		if ((cnp->cn_flags & LOCKPARENT) == 0)
 			VOP_UNLOCK(dp);
 		/*
 		 * We return with ni_vp NULL to indicate that the entry
 		 * doesn't currently exist, leaving a pointer to the
 		 * (possibly locked) directory vnode in ndp->ni_dvp.
 		 */
 		goto success;
 	}
 
 good:
 	dp = ndp->ni_vp;
 
 	/*
 	 * Check for symbolic link
 	 */
 	if ((dp->v_type == VLNK) &&
 	    ((cnp->cn_flags & FOLLOW) || (cnp->cn_flags & TRAILINGSLASH) ||
 	     *ndp->ni_next == '/')) {
 		cnp->cn_flags |= ISSYMLINK;
 		if (VN_IS_DOOMED(dp)) {
 			/*
 			 * We can't know whether the directory was mounted with
 			 * NOSYMFOLLOW, so we can't follow safely.
 			 */
 			error = ENOENT;
 			goto bad2;
 		}
 		if (dp->v_mount->mnt_flag & MNT_NOSYMFOLLOW) {
 			error = EACCES;
 			goto bad2;
 		}
 		/*
 		 * Symlink code always expects an unlocked dvp.
 		 */
 		if (ndp->ni_dvp != ndp->ni_vp) {
 			VOP_UNLOCK(ndp->ni_dvp);
 			ni_dvp_unlocked = 1;
 		}
 		goto success;
 	}
 
 	if ((vn_irflag_read(dp) & VIRF_MOUNTPOINT) != 0 &&
 	    (cnp->cn_flags & NOCROSSMOUNT) == 0) {
 		error = vfs_lookup_cross_mount(ndp);
 		if (error != 0)
 			goto bad_unlocked;
 		/*
 		 * FALLTHROUGH to nextname
 		 */
 		dp = ndp->ni_vp;
 	}
 
 nextname:
 	/*
 	 * Not a symbolic link that we will follow.  Continue with the
 	 * next component if there is any; otherwise, we're done.
 	 */
 	KASSERT((cnp->cn_flags & ISLASTCN) || *ndp->ni_next == '/',
 	    ("lookup: invalid path state."));
 	if (relookup) {
 		relookup = 0;
 		ndp->ni_pathlen = prev_ni_pathlen;
 		ndp->ni_next = prev_ni_next;
 		if (ndp->ni_dvp != dp)
 			vput(ndp->ni_dvp);
 		else
 			vrele(ndp->ni_dvp);
 		goto dirloop;
 	}
 	if (cnp->cn_flags & ISDOTDOT) {
 		error = nameicap_check_dotdot(ndp, ndp->ni_dvp);
 		if (error != 0)
 			goto bad2;
 	}
 	if (*ndp->ni_next == '/') {
 		cnp->cn_nameptr = ndp->ni_next;
 		while (*cnp->cn_nameptr == '/') {
 			cnp->cn_nameptr++;
 			ndp->ni_pathlen--;
 		}
 		if (ndp->ni_dvp != dp)
 			vput(ndp->ni_dvp);
 		else
 			vrele(ndp->ni_dvp);
 		goto dirloop;
 	}
 	/*
 	 * If we're processing a path with a trailing slash,
 	 * check that the end result is a directory.
 	 */
 	if ((cnp->cn_flags & TRAILINGSLASH) && dp->v_type != VDIR) {
 		error = ENOTDIR;
 		goto bad2;
 	}
 	/*
 	 * Disallow directory write attempts on read-only filesystems.
 	 */
 	if (rdonly &&
 	    (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME)) {
 		error = EROFS;
 		goto bad2;
 	}
 	if (!wantparent) {
 		ni_dvp_unlocked = 2;
 		if (ndp->ni_dvp != dp)
 			vput(ndp->ni_dvp);
 		else
 			vrele(ndp->ni_dvp);
 	} else if ((cnp->cn_flags & LOCKPARENT) == 0 && ndp->ni_dvp != dp) {
 		VOP_UNLOCK(ndp->ni_dvp);
 		ni_dvp_unlocked = 1;
 	}
 
 	if (cnp->cn_flags & AUDITVNODE1)
 		AUDIT_ARG_VNODE1(dp);
 	else if (cnp->cn_flags & AUDITVNODE2)
 		AUDIT_ARG_VNODE2(dp);
 
 	if ((cnp->cn_flags & LOCKLEAF) == 0)
 		VOP_UNLOCK(dp);
 success:
 	/*
 	 * FIXME: for lookups which only cross a mount point to fetch the
 	 * root vnode, ni_dvp will be set to vp_crossmp. This can be a problem
 	 * if either WANTPARENT or LOCKPARENT is set.
 	 */
 	/*
 	 * Because of shared lookup we may have the vnode shared locked, but
 	 * the caller may want it to be exclusively locked.
 	 */
 	if (needs_exclusive_leaf(dp->v_mount, cnp->cn_flags) &&
 	    VOP_ISLOCKED(dp) != LK_EXCLUSIVE) {
 		vn_lock(dp, LK_UPGRADE | LK_RETRY);
 		if (VN_IS_DOOMED(dp)) {
 			error = ENOENT;
 			goto bad2;
 		}
 	}
 success_right_lock:
 	if (ndp->ni_vp != NULL) {
 		if ((cnp->cn_flags & ISDOTDOT) == 0) {
 			error = nameicap_tracker_add(ndp, ndp->ni_vp);
 			if (error != 0)
 				goto bad2;
 		}
 		if ((cnp->cn_flags & (FAILIFEXISTS | ISSYMLINK)) == FAILIFEXISTS)
 			return (vfs_lookup_failifexists(ndp));
 	}
 	return (0);
 
 bad2:
 	if (ni_dvp_unlocked != 2) {
 		if (dp != ndp->ni_dvp && !ni_dvp_unlocked)
 			vput(ndp->ni_dvp);
 		else
 			vrele(ndp->ni_dvp);
 	}
 bad:
 	vput(dp);
 bad_unlocked:
 	ndp->ni_vp = NULL;
 	return (error);
 }
 
 /*
  * relookup - lookup a path name component
  *    Used by lookup to re-acquire things.
  */
 int
 vfs_relookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp,
     bool refstart)
 {
 	struct vnode *dp = NULL;		/* the directory we are searching */
 	int rdonly;			/* lookup read-only flag bit */
 	int error = 0;
 
 	KASSERT(cnp->cn_flags & ISLASTCN,
 	    ("relookup: Not given last component."));
 	/*
 	 * Setup: break out flag bits into variables.
 	 */
 	KASSERT((cnp->cn_flags & (LOCKPARENT | WANTPARENT)) != 0,
 	    ("relookup: parent not wanted"));
 	rdonly = cnp->cn_flags & RDONLY;
 	cnp->cn_flags &= ~ISSYMLINK;
 	dp = dvp;
 	cnp->cn_lkflags = LK_EXCLUSIVE;
 	vn_lock(dp, LK_EXCLUSIVE | LK_RETRY);
 
 	/*
 	 * Search a new directory.
 	 *
 	 * See a comment in vfs_lookup for cnp->cn_nameptr.
 	 *
 	 * Check for "" which represents the root directory after slash
 	 * removal.
 	 */
 	if (cnp->cn_nameptr[0] == '\0') {
 		/*
 		 * Support only LOOKUP for "/" because lookup()
 		 * can't succeed for CREATE, DELETE and RENAME.
 		 */
 		KASSERT(cnp->cn_nameiop == LOOKUP, ("nameiop must be LOOKUP"));
 		KASSERT(dp->v_type == VDIR, ("dp is not a directory"));
 
 		if (!(cnp->cn_flags & LOCKLEAF))
 			VOP_UNLOCK(dp);
 		*vpp = dp;
 		/* XXX This should probably move to the top of function. */
 		if (refstart)
 			panic("lookup: SAVESTART");
 		return (0);
 	}
 
 	if (cnp->cn_flags & ISDOTDOT)
 		panic ("relookup: lookup on dot-dot");
 
 	/*
 	 * We now have a segment name to search for, and a directory to search.
 	 */
 	if ((error = VOP_LOOKUP(dp, vpp, cnp)) != 0) {
 		KASSERT(*vpp == NULL, ("leaf should be empty"));
 		if (error != EJUSTRETURN)
 			goto bad;
 		/*
 		 * If creating and at end of pathname, then can consider
 		 * allowing file to be created.
 		 */
 		if (rdonly) {
 			error = EROFS;
 			goto bad;
 		}
 		/* ASSERT(dvp == ndp->ni_startdir) */
 		if (refstart)
-			VREF(dvp);
+			vref(dvp);
 		if ((cnp->cn_flags & LOCKPARENT) == 0)
 			VOP_UNLOCK(dp);
 		/*
 		 * We return with ni_vp NULL to indicate that the entry
 		 * doesn't currently exist, leaving a pointer to the
 		 * (possibly locked) directory vnode in ndp->ni_dvp.
 		 */
 		return (0);
 	}
 
 	dp = *vpp;
 
 	/*
 	 * Disallow directory write attempts on read-only filesystems.
 	 */
 	if (rdonly &&
 	    (cnp->cn_nameiop == DELETE || cnp->cn_nameiop == RENAME)) {
 		if (dvp == dp)
 			vrele(dvp);
 		else
 			vput(dvp);
 		error = EROFS;
 		goto bad;
 	}
 	/*
 	 * Set the parent lock/ref state to the requested state.
 	 */
 	if ((cnp->cn_flags & LOCKPARENT) == 0 && dvp != dp)
 		VOP_UNLOCK(dvp);
 	/*
 	 * Check for symbolic link
 	 */
 	KASSERT(dp->v_type != VLNK || !(cnp->cn_flags & FOLLOW),
 	    ("relookup: symlink found.\n"));
 
 	/* ASSERT(dvp == ndp->ni_startdir) */
 	if (refstart)
-		VREF(dvp);
+		vref(dvp);
 
 	if ((cnp->cn_flags & LOCKLEAF) == 0)
 		VOP_UNLOCK(dp);
 	return (0);
 bad:
 	vput(dp);
 	*vpp = NULL;
 	return (error);
 }
 
 #ifdef INVARIANTS
 /*
  * Validate the final state of ndp after the lookup.
  */
 static void
 NDVALIDATE_impl(struct nameidata *ndp, int line)
 {
 	struct componentname *cnp;
 
 	cnp = &ndp->ni_cnd;
 	if (cnp->cn_pnbuf == NULL)
 		panic("%s: got no buf! called from %d", __func__, line);
 }
 
 #endif
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index ec1aad59c6ee..9e1275359715 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -1,5238 +1,5238 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  * (c) UNIX System Laboratories, Inc.
  * All or some portions of this file are derived from material licensed
  * to the University of California by American Telephone and Telegraph
  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  * the permission of UNIX System Laboratories, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include "opt_capsicum.h"
 #include "opt_ktrace.h"
 
 #define	EXTERR_CATEGORY		EXTERR_CAT_VFSSYSCALL
 #include <sys/systm.h>
 #ifdef COMPAT_FREEBSD11
 #include <sys/abi_compat.h>
 #endif
 #include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/capsicum.h>
 #include <sys/disk.h>
 #include <sys/dirent.h>
 #include <sys/exterrvar.h>
 #include <sys/fcntl.h>
 #include <sys/file.h>
 #include <sys/filedesc.h>
 #include <sys/filio.h>
 #include <sys/jail.h>
 #include <sys/kernel.h>
 #ifdef KTRACE
 #include <sys/ktrace.h>
 #endif
 #include <sys/limits.h>
 #include <sys/linker.h>
 #include <sys/malloc.h>
 #include <sys/mount.h>
 #include <sys/mutex.h>
 #include <sys/namei.h>
 #include <sys/priv.h>
 #include <sys/proc.h>
 #include <sys/rwlock.h>
 #include <sys/sdt.h>
 #include <sys/stat.h>
 #include <sys/stdarg.h>
 #include <sys/sx.h>
 #include <sys/syscallsubr.h>
 #include <sys/sysctl.h>
 #include <sys/sysproto.h>
 #include <sys/unistd.h>
 #include <sys/vnode.h>
 
 #include <security/audit/audit.h>
 #include <security/mac/mac_framework.h>
 
 #include <vm/vm.h>
 #include <vm/vm_object.h>
 #include <vm/vm_page.h>
 #include <vm/vnode_pager.h>
 #include <vm/uma.h>
 
 #include <fs/devfs/devfs.h>
 
 MALLOC_DEFINE(M_FADVISE, "fadvise", "posix_fadvise(2) information");
 
 static int kern_chflagsat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, u_long flags, int atflag);
 static int setfflags(struct thread *td, struct vnode *, u_long);
 static int getutimes(const struct timeval *, enum uio_seg, struct timespec *);
 static int getutimens(const struct timespec *, enum uio_seg,
     struct timespec *, int *);
 static int setutimes(struct thread *td, struct vnode *,
     const struct timespec *, int, int);
 static int vn_access(struct vnode *vp, int user_flags, struct ucred *cred,
     struct thread *td);
 static int kern_fhlinkat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, fhandle_t *fhp);
 static int kern_readlink_vp(struct vnode *vp, char *buf, enum uio_seg bufseg,
     size_t count, struct thread *td);
 static int kern_linkat_vp(struct thread *td, struct vnode *vp, int fd,
     const char *path, enum uio_seg segflag);
 
 uint64_t
 at2cnpflags(u_int at_flags, u_int mask)
 {
 	uint64_t res;
 
 	MPASS((at_flags & (AT_SYMLINK_FOLLOW | AT_SYMLINK_NOFOLLOW)) !=
 	    (AT_SYMLINK_FOLLOW | AT_SYMLINK_NOFOLLOW));
 
 	res = 0;
 	at_flags &= mask;
 	if ((at_flags & AT_RESOLVE_BENEATH) != 0)
 		res |= RBENEATH;
 	if ((at_flags & AT_SYMLINK_FOLLOW) != 0)
 		res |= FOLLOW;
 	/* NOFOLLOW is pseudo flag */
 	if ((mask & AT_SYMLINK_NOFOLLOW) != 0) {
 		res |= (at_flags & AT_SYMLINK_NOFOLLOW) != 0 ? NOFOLLOW :
 		    FOLLOW;
 	}
 	if ((mask & AT_EMPTY_PATH) != 0 && (at_flags & AT_EMPTY_PATH) != 0)
 		res |= EMPTYPATH;
 	return (res);
 }
 
 int
 kern_sync(struct thread *td)
 {
 	struct mount *mp, *nmp;
 	int save;
 
 	mtx_lock(&mountlist_mtx);
 	for (mp = TAILQ_FIRST(&mountlist); mp != NULL; mp = nmp) {
 		if (vfs_busy(mp, MBF_NOWAIT | MBF_MNTLSTLOCK)) {
 			nmp = TAILQ_NEXT(mp, mnt_list);
 			continue;
 		}
 		if ((mp->mnt_flag & MNT_RDONLY) == 0 &&
 		    vn_start_write(NULL, &mp, V_NOWAIT) == 0) {
 			save = curthread_pflags_set(TDP_SYNCIO);
 			vfs_periodic(mp, MNT_NOWAIT);
 			VFS_SYNC(mp, MNT_NOWAIT);
 			curthread_pflags_restore(save);
 			vn_finished_write(mp);
 		}
 		mtx_lock(&mountlist_mtx);
 		nmp = TAILQ_NEXT(mp, mnt_list);
 		vfs_unbusy(mp);
 	}
 	mtx_unlock(&mountlist_mtx);
 	return (0);
 }
 
 /*
  * Sync each mounted filesystem.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct sync_args {
 	int     dummy;
 };
 #endif
 /* ARGSUSED */
 int
 sys_sync(struct thread *td, struct sync_args *uap)
 {
 
 	return (kern_sync(td));
 }
 
 /*
  * Change filesystem quotas.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct quotactl_args {
 	char *path;
 	int cmd;
 	int uid;
 	caddr_t arg;
 };
 #endif
 int
 sys_quotactl(struct thread *td, struct quotactl_args *uap)
 {
 	struct mount *mp;
 	struct nameidata nd;
 	int error;
 	bool mp_busy;
 
 	AUDIT_ARG_CMD(uap->cmd);
 	AUDIT_ARG_UID(uap->uid);
 	if (!prison_allow(td->td_ucred, PR_ALLOW_QUOTAS))
 		return (EPERM);
 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF | AUDITVNODE1, UIO_USERSPACE,
 	    uap->path);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	mp = nd.ni_vp->v_mount;
 	vfs_ref(mp);
 	vput(nd.ni_vp);
 	error = vfs_busy(mp, 0);
 	if (error != 0) {
 		vfs_rel(mp);
 		return (error);
 	}
 	mp_busy = true;
 	error = VFS_QUOTACTL(mp, uap->cmd, uap->uid, uap->arg, &mp_busy);
 
 	/*
 	 * Since quota on/off operations typically need to open quota
 	 * files, the implementation may need to unbusy the mount point
 	 * before calling into namei.  Otherwise, unmount might be
 	 * started between two vfs_busy() invocations (first is ours,
 	 * second is from mount point cross-walk code in lookup()),
 	 * causing deadlock.
 	 *
 	 * Avoid unbusying mp if the implementation indicates it has
 	 * already done so.
 	 */
 	if (mp_busy)
 		vfs_unbusy(mp);
 	vfs_rel(mp);
 	return (error);
 }
 
 /*
  * Used by statfs conversion routines to scale the block size up if
  * necessary so that all of the block counts are <= 'max_size'.  Note
  * that 'max_size' should be a bitmask, i.e. 2^n - 1 for some non-zero
  * value of 'n'.
  */
 void
 statfs_scale_blocks(struct statfs *sf, long max_size)
 {
 	uint64_t count;
 	int shift;
 
 	KASSERT(powerof2(max_size + 1), ("%s: invalid max_size", __func__));
 
 	/*
 	 * Attempt to scale the block counts to give a more accurate
 	 * overview to userland of the ratio of free space to used
 	 * space.  To do this, find the largest block count and compute
 	 * a divisor that lets it fit into a signed integer <= max_size.
 	 */
 	if (sf->f_bavail < 0)
 		count = -sf->f_bavail;
 	else
 		count = sf->f_bavail;
 	count = MAX(sf->f_blocks, MAX(sf->f_bfree, count));
 	if (count <= max_size)
 		return;
 
 	count >>= flsl(max_size);
 	shift = 0;
 	while (count > 0) {
 		shift++;
 		count >>=1;
 	}
 
 	sf->f_bsize <<= shift;
 	sf->f_blocks >>= shift;
 	sf->f_bfree >>= shift;
 	sf->f_bavail >>= shift;
 }
 
 static int
 kern_do_statfs(struct thread *td, struct mount *mp, struct statfs *buf)
 {
 	int error;
 
 	if (mp == NULL)
 		return (EBADF);
 	error = vfs_busy(mp, 0);
 	vfs_rel(mp);
 	if (error != 0)
 		return (error);
 #ifdef MAC
 	error = mac_mount_check_stat(td->td_ucred, mp);
 	if (error != 0)
 		goto out;
 #endif
 	error = VFS_STATFS(mp, buf);
 	if (error != 0)
 		goto out;
 	if (priv_check_cred_vfs_generation(td->td_ucred)) {
 		buf->f_fsid.val[0] = buf->f_fsid.val[1] = 0;
 		prison_enforce_statfs(td->td_ucred, mp, buf);
 	}
 out:
 	vfs_unbusy(mp);
 	return (error);
 }
 
 /*
  * Get filesystem statistics.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct statfs_args {
 	char *path;
 	struct statfs *buf;
 };
 #endif
 int
 sys_statfs(struct thread *td, struct statfs_args *uap)
 {
 	struct statfs *sfp;
 	int error;
 
 	sfp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = kern_statfs(td, uap->path, UIO_USERSPACE, sfp);
 	if (error == 0)
 		error = copyout(sfp, uap->buf, sizeof(struct statfs));
 	free(sfp, M_STATFS);
 	return (error);
 }
 
 int
 kern_statfs(struct thread *td, const char *path, enum uio_seg pathseg,
     struct statfs *buf)
 {
 	struct mount *mp;
 	struct nameidata nd;
 	int error;
 
 	NDINIT(&nd, LOOKUP, FOLLOW | AUDITVNODE1, pathseg, path);
 	error = namei(&nd);
 	if (error != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	mp = vfs_ref_from_vp(nd.ni_vp);
 	vrele(nd.ni_vp);
 	return (kern_do_statfs(td, mp, buf));
 }
 
 /*
  * Get filesystem statistics.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fstatfs_args {
 	int fd;
 	struct statfs *buf;
 };
 #endif
 int
 sys_fstatfs(struct thread *td, struct fstatfs_args *uap)
 {
 	struct statfs *sfp;
 	int error;
 
 	sfp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = kern_fstatfs(td, uap->fd, sfp);
 	if (error == 0)
 		error = copyout(sfp, uap->buf, sizeof(struct statfs));
 	free(sfp, M_STATFS);
 	return (error);
 }
 
 int
 kern_fstatfs(struct thread *td, int fd, struct statfs *buf)
 {
 	struct file *fp;
 	struct mount *mp;
 	struct vnode *vp;
 	int error;
 
 	AUDIT_ARG_FD(fd);
 	error = getvnode_path(td, fd, &cap_fstatfs_rights, NULL, &fp);
 	if (error != 0)
 		return (error);
 	vp = fp->f_vnode;
 #ifdef AUDIT
 	if (AUDITING_TD(td)) {
 		vn_lock(vp, LK_SHARED | LK_RETRY);
 		AUDIT_ARG_VNODE1(vp);
 		VOP_UNLOCK(vp);
 	}
 #endif
 	mp = vfs_ref_from_vp(vp);
 	fdrop(fp, td);
 	return (kern_do_statfs(td, mp, buf));
 }
 
 /*
  * Get statistics on all filesystems.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct getfsstat_args {
 	struct statfs *buf;
 	long bufsize;
 	int mode;
 };
 #endif
 int
 sys_getfsstat(struct thread *td, struct getfsstat_args *uap)
 {
 	size_t count;
 	int error;
 
 	if (uap->bufsize < 0 || uap->bufsize > SIZE_MAX)
 		return (EINVAL);
 	error = kern_getfsstat(td, &uap->buf, uap->bufsize, &count,
 	    UIO_USERSPACE, uap->mode);
 	if (error == 0)
 		td->td_retval[0] = count;
 	return (error);
 }
 
 /*
  * If (bufsize > 0 && bufseg == UIO_SYSSPACE)
  *	The caller is responsible for freeing memory which will be allocated
  *	in '*buf'.
  */
 int
 kern_getfsstat(struct thread *td, struct statfs **buf, size_t bufsize,
     size_t *countp, enum uio_seg bufseg, int mode)
 {
 	struct mount *mp, *nmp;
 	struct statfs *sfsp, *sp, *sptmp, *tofree;
 	size_t count, maxcount;
 	int error;
 
 	switch (mode) {
 	case MNT_WAIT:
 	case MNT_NOWAIT:
 		break;
 	default:
 		if (bufseg == UIO_SYSSPACE)
 			*buf = NULL;
 		return (EINVAL);
 	}
 restart:
 	maxcount = bufsize / sizeof(struct statfs);
 	if (bufsize == 0) {
 		sfsp = NULL;
 		tofree = NULL;
 	} else if (bufseg == UIO_USERSPACE) {
 		sfsp = *buf;
 		tofree = NULL;
 	} else /* if (bufseg == UIO_SYSSPACE) */ {
 		count = 0;
 		mtx_lock(&mountlist_mtx);
 		TAILQ_FOREACH(mp, &mountlist, mnt_list) {
 			count++;
 		}
 		mtx_unlock(&mountlist_mtx);
 		if (maxcount > count)
 			maxcount = count;
 		tofree = sfsp = *buf = malloc(maxcount * sizeof(struct statfs),
 		    M_STATFS, M_WAITOK);
 	}
 
 	count = 0;
 
 	/*
 	 * If there is no target buffer they only want the count.
 	 *
 	 * This could be TAILQ_FOREACH but it is open-coded to match the original
 	 * code below.
 	 */
 	if (sfsp == NULL) {
 		mtx_lock(&mountlist_mtx);
 		for (mp = TAILQ_FIRST(&mountlist); mp != NULL; mp = nmp) {
 			if (prison_canseemount(td->td_ucred, mp) != 0) {
 				nmp = TAILQ_NEXT(mp, mnt_list);
 				continue;
 			}
 #ifdef MAC
 			if (mac_mount_check_stat(td->td_ucred, mp) != 0) {
 				nmp = TAILQ_NEXT(mp, mnt_list);
 				continue;
 			}
 #endif
 			count++;
 			nmp = TAILQ_NEXT(mp, mnt_list);
 		}
 		mtx_unlock(&mountlist_mtx);
 		*countp = count;
 		return (0);
 	}
 
 	/*
 	 * They want the entire thing.
 	 *
 	 * Short-circuit the corner case of no room for anything, avoids
 	 * relocking below.
 	 */
 	if (maxcount < 1) {
 		goto out;
 	}
 
 	mtx_lock(&mountlist_mtx);
 	for (mp = TAILQ_FIRST(&mountlist); mp != NULL; mp = nmp) {
 		if (prison_canseemount(td->td_ucred, mp) != 0) {
 			nmp = TAILQ_NEXT(mp, mnt_list);
 			continue;
 		}
 #ifdef MAC
 		if (mac_mount_check_stat(td->td_ucred, mp) != 0) {
 			nmp = TAILQ_NEXT(mp, mnt_list);
 			continue;
 		}
 #endif
 		if (mode == MNT_WAIT) {
 			if (vfs_busy(mp, MBF_MNTLSTLOCK) != 0) {
 				/*
 				 * If vfs_busy() failed, and MBF_NOWAIT
 				 * wasn't passed, then the mp is gone.
 				 * Furthermore, because of MBF_MNTLSTLOCK,
 				 * the mountlist_mtx was dropped.  We have
 				 * no other choice than to start over.
 				 */
 				mtx_unlock(&mountlist_mtx);
 				free(tofree, M_STATFS);
 				goto restart;
 			}
 		} else {
 			if (vfs_busy(mp, MBF_NOWAIT | MBF_MNTLSTLOCK) != 0) {
 				nmp = TAILQ_NEXT(mp, mnt_list);
 				continue;
 			}
 		}
 		sp = &mp->mnt_stat;
 		/*
 		 * If MNT_NOWAIT is specified, do not refresh
 		 * the fsstat cache.
 		 */
 		if (mode != MNT_NOWAIT) {
 			error = VFS_STATFS(mp, sp);
 			if (error != 0) {
 				mtx_lock(&mountlist_mtx);
 				nmp = TAILQ_NEXT(mp, mnt_list);
 				vfs_unbusy(mp);
 				continue;
 			}
 		}
 		if (priv_check_cred_vfs_generation(td->td_ucred)) {
 			sptmp = malloc(sizeof(struct statfs), M_STATFS,
 			    M_WAITOK);
 			*sptmp = *sp;
 			sptmp->f_fsid.val[0] = sptmp->f_fsid.val[1] = 0;
 			prison_enforce_statfs(td->td_ucred, mp, sptmp);
 			sp = sptmp;
 		} else
 			sptmp = NULL;
 		if (bufseg == UIO_SYSSPACE) {
 			bcopy(sp, sfsp, sizeof(*sp));
 			free(sptmp, M_STATFS);
 		} else /* if (bufseg == UIO_USERSPACE) */ {
 			error = copyout(sp, sfsp, sizeof(*sp));
 			free(sptmp, M_STATFS);
 			if (error != 0) {
 				vfs_unbusy(mp);
 				return (error);
 			}
 		}
 		sfsp++;
 		count++;
 
 		if (count == maxcount) {
 			vfs_unbusy(mp);
 			goto out;
 		}
 
 		mtx_lock(&mountlist_mtx);
 		nmp = TAILQ_NEXT(mp, mnt_list);
 		vfs_unbusy(mp);
 	}
 	mtx_unlock(&mountlist_mtx);
 out:
 	*countp = count;
 	return (0);
 }
 
 #ifdef COMPAT_FREEBSD4
 /*
  * Get old format filesystem statistics.
  */
 static void freebsd4_cvtstatfs(struct statfs *, struct ostatfs *);
 
 #ifndef _SYS_SYSPROTO_H_
 struct freebsd4_statfs_args {
 	char *path;
 	struct ostatfs *buf;
 };
 #endif
 int
 freebsd4_statfs(struct thread *td, struct freebsd4_statfs_args *uap)
 {
 	struct ostatfs osb;
 	struct statfs *sfp;
 	int error;
 
 	sfp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = kern_statfs(td, uap->path, UIO_USERSPACE, sfp);
 	if (error == 0) {
 		freebsd4_cvtstatfs(sfp, &osb);
 		error = copyout(&osb, uap->buf, sizeof(osb));
 	}
 	free(sfp, M_STATFS);
 	return (error);
 }
 
 /*
  * Get filesystem statistics.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct freebsd4_fstatfs_args {
 	int fd;
 	struct ostatfs *buf;
 };
 #endif
 int
 freebsd4_fstatfs(struct thread *td, struct freebsd4_fstatfs_args *uap)
 {
 	struct ostatfs osb;
 	struct statfs *sfp;
 	int error;
 
 	sfp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = kern_fstatfs(td, uap->fd, sfp);
 	if (error == 0) {
 		freebsd4_cvtstatfs(sfp, &osb);
 		error = copyout(&osb, uap->buf, sizeof(osb));
 	}
 	free(sfp, M_STATFS);
 	return (error);
 }
 
 /*
  * Get statistics on all filesystems.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct freebsd4_getfsstat_args {
 	struct ostatfs *buf;
 	long bufsize;
 	int mode;
 };
 #endif
 int
 freebsd4_getfsstat(struct thread *td, struct freebsd4_getfsstat_args *uap)
 {
 	struct statfs *buf, *sp;
 	struct ostatfs osb;
 	size_t count, size;
 	int error;
 
 	if (uap->bufsize < 0)
 		return (EINVAL);
 	count = uap->bufsize / sizeof(struct ostatfs);
 	if (count > SIZE_MAX / sizeof(struct statfs))
 		return (EINVAL);
 	size = count * sizeof(struct statfs);
 	error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE,
 	    uap->mode);
 	if (error == 0)
 		td->td_retval[0] = count;
 	if (size != 0) {
 		sp = buf;
 		while (count != 0 && error == 0) {
 			freebsd4_cvtstatfs(sp, &osb);
 			error = copyout(&osb, uap->buf, sizeof(osb));
 			sp++;
 			uap->buf++;
 			count--;
 		}
 		free(buf, M_STATFS);
 	}
 	return (error);
 }
 
 /*
  * Implement fstatfs() for (NFS) file handles.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct freebsd4_fhstatfs_args {
 	struct fhandle *u_fhp;
 	struct ostatfs *buf;
 };
 #endif
 int
 freebsd4_fhstatfs(struct thread *td, struct freebsd4_fhstatfs_args *uap)
 {
 	struct ostatfs osb;
 	struct statfs *sfp;
 	fhandle_t fh;
 	int error;
 
 	error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
 	if (error != 0)
 		return (error);
 	sfp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = kern_fhstatfs(td, fh, sfp);
 	if (error == 0) {
 		freebsd4_cvtstatfs(sfp, &osb);
 		error = copyout(&osb, uap->buf, sizeof(osb));
 	}
 	free(sfp, M_STATFS);
 	return (error);
 }
 
 /*
  * Convert a new format statfs structure to an old format statfs structure.
  */
 static void
 freebsd4_cvtstatfs(struct statfs *nsp, struct ostatfs *osp)
 {
 
 	statfs_scale_blocks(nsp, LONG_MAX);
 	bzero(osp, sizeof(*osp));
 	osp->f_bsize = nsp->f_bsize;
 	osp->f_iosize = MIN(nsp->f_iosize, LONG_MAX);
 	osp->f_blocks = nsp->f_blocks;
 	osp->f_bfree = nsp->f_bfree;
 	osp->f_bavail = nsp->f_bavail;
 	osp->f_files = MIN(nsp->f_files, LONG_MAX);
 	osp->f_ffree = MIN(nsp->f_ffree, LONG_MAX);
 	osp->f_owner = nsp->f_owner;
 	osp->f_type = nsp->f_type;
 	osp->f_flags = nsp->f_flags;
 	osp->f_syncwrites = MIN(nsp->f_syncwrites, LONG_MAX);
 	osp->f_asyncwrites = MIN(nsp->f_asyncwrites, LONG_MAX);
 	osp->f_syncreads = MIN(nsp->f_syncreads, LONG_MAX);
 	osp->f_asyncreads = MIN(nsp->f_asyncreads, LONG_MAX);
 	strlcpy(osp->f_fstypename, nsp->f_fstypename,
 	    MIN(MFSNAMELEN, OMFSNAMELEN));
 	strlcpy(osp->f_mntonname, nsp->f_mntonname,
 	    MIN(MNAMELEN, OMNAMELEN));
 	strlcpy(osp->f_mntfromname, nsp->f_mntfromname,
 	    MIN(MNAMELEN, OMNAMELEN));
 	osp->f_fsid = nsp->f_fsid;
 }
 #endif /* COMPAT_FREEBSD4 */
 
 #if defined(COMPAT_FREEBSD11)
 /*
  * Get old format filesystem statistics.
  */
 static void freebsd11_cvtstatfs(struct statfs *, struct freebsd11_statfs *);
 
 int
 freebsd11_statfs(struct thread *td, struct freebsd11_statfs_args *uap)
 {
 	struct freebsd11_statfs osb;
 	struct statfs *sfp;
 	int error;
 
 	sfp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = kern_statfs(td, uap->path, UIO_USERSPACE, sfp);
 	if (error == 0) {
 		freebsd11_cvtstatfs(sfp, &osb);
 		error = copyout(&osb, uap->buf, sizeof(osb));
 	}
 	free(sfp, M_STATFS);
 	return (error);
 }
 
 /*
  * Get filesystem statistics.
  */
 int
 freebsd11_fstatfs(struct thread *td, struct freebsd11_fstatfs_args *uap)
 {
 	struct freebsd11_statfs osb;
 	struct statfs *sfp;
 	int error;
 
 	sfp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = kern_fstatfs(td, uap->fd, sfp);
 	if (error == 0) {
 		freebsd11_cvtstatfs(sfp, &osb);
 		error = copyout(&osb, uap->buf, sizeof(osb));
 	}
 	free(sfp, M_STATFS);
 	return (error);
 }
 
 /*
  * Get statistics on all filesystems.
  */
 int
 freebsd11_getfsstat(struct thread *td, struct freebsd11_getfsstat_args *uap)
 {
 	return (kern_freebsd11_getfsstat(td, uap->buf, uap->bufsize, uap->mode));
 }
 
 int
 kern_freebsd11_getfsstat(struct thread *td, struct freebsd11_statfs * ubuf,
     long bufsize, int mode)
 {
 	struct freebsd11_statfs osb;
 	struct statfs *buf, *sp;
 	size_t count, size;
 	int error;
 
 	if (bufsize < 0)
 		return (EINVAL);
 
 	count = bufsize / sizeof(struct ostatfs);
 	size = count * sizeof(struct statfs);
 	error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE, mode);
 	if (error == 0)
 		td->td_retval[0] = count;
 	if (size > 0) {
 		sp = buf;
 		while (count > 0 && error == 0) {
 			freebsd11_cvtstatfs(sp, &osb);
 			error = copyout(&osb, ubuf, sizeof(osb));
 			sp++;
 			ubuf++;
 			count--;
 		}
 		free(buf, M_STATFS);
 	}
 	return (error);
 }
 
 /*
  * Implement fstatfs() for (NFS) file handles.
  */
 int
 freebsd11_fhstatfs(struct thread *td, struct freebsd11_fhstatfs_args *uap)
 {
 	struct freebsd11_statfs osb;
 	struct statfs *sfp;
 	fhandle_t fh;
 	int error;
 
 	error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
 	if (error)
 		return (error);
 	sfp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = kern_fhstatfs(td, fh, sfp);
 	if (error == 0) {
 		freebsd11_cvtstatfs(sfp, &osb);
 		error = copyout(&osb, uap->buf, sizeof(osb));
 	}
 	free(sfp, M_STATFS);
 	return (error);
 }
 
 /*
  * Convert a new format statfs structure to an old format statfs structure.
  */
 static void
 freebsd11_cvtstatfs(struct statfs *nsp, struct freebsd11_statfs *osp)
 {
 
 	bzero(osp, sizeof(*osp));
 	osp->f_version = FREEBSD11_STATFS_VERSION;
 	osp->f_type = nsp->f_type;
 	osp->f_flags = nsp->f_flags;
 	osp->f_bsize = nsp->f_bsize;
 	osp->f_iosize = nsp->f_iosize;
 	osp->f_blocks = nsp->f_blocks;
 	osp->f_bfree = nsp->f_bfree;
 	osp->f_bavail = nsp->f_bavail;
 	osp->f_files = nsp->f_files;
 	osp->f_ffree = nsp->f_ffree;
 	osp->f_syncwrites = nsp->f_syncwrites;
 	osp->f_asyncwrites = nsp->f_asyncwrites;
 	osp->f_syncreads = nsp->f_syncreads;
 	osp->f_asyncreads = nsp->f_asyncreads;
 	osp->f_namemax = nsp->f_namemax;
 	osp->f_owner = nsp->f_owner;
 	osp->f_fsid = nsp->f_fsid;
 	strlcpy(osp->f_fstypename, nsp->f_fstypename,
 	    MIN(MFSNAMELEN, sizeof(osp->f_fstypename)));
 	strlcpy(osp->f_mntonname, nsp->f_mntonname,
 	    MIN(MNAMELEN, sizeof(osp->f_mntonname)));
 	strlcpy(osp->f_mntfromname, nsp->f_mntfromname,
 	    MIN(MNAMELEN, sizeof(osp->f_mntfromname)));
 }
 #endif /* COMPAT_FREEBSD11 */
 
 /*
  * Change current working directory to a given file descriptor.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fchdir_args {
 	int	fd;
 };
 #endif
 int
 sys_fchdir(struct thread *td, struct fchdir_args *uap)
 {
 	struct vnode *vp, *tdp;
 	struct mount *mp;
 	struct file *fp;
 	int error;
 	uint8_t fdflags;
 
 	AUDIT_ARG_FD(uap->fd);
 	error = getvnode_path(td, uap->fd, &cap_fchdir_rights, &fdflags,
 	    &fp);
 	if (error != 0)
 		return (error);
 	if ((fdflags & UF_RESOLVE_BENEATH) != 0) {
 		fdrop(fp, td);
 		return (ENOTCAPABLE);
 	}
 	vp = fp->f_vnode;
 	vrefact(vp);
 	fdrop(fp, td);
 	vn_lock(vp, LK_SHARED | LK_RETRY);
 	AUDIT_ARG_VNODE1(vp);
 	error = change_dir(vp, td);
 	while (!error && (mp = vp->v_mountedhere) != NULL) {
 		if (vfs_busy(mp, 0))
 			continue;
 		error = VFS_ROOT(mp, LK_SHARED, &tdp);
 		vfs_unbusy(mp);
 		if (error != 0)
 			break;
 		vput(vp);
 		vp = tdp;
 	}
 	if (error != 0) {
 		vput(vp);
 		return (error);
 	}
 	VOP_UNLOCK(vp);
 	pwd_chdir(td, vp);
 	return (0);
 }
 
 /*
  * Change current working directory (``.'').
  */
 #ifndef _SYS_SYSPROTO_H_
 struct chdir_args {
 	char	*path;
 };
 #endif
 int
 sys_chdir(struct thread *td, struct chdir_args *uap)
 {
 
 	return (kern_chdir(td, uap->path, UIO_USERSPACE));
 }
 
 int
 kern_chdir(struct thread *td, const char *path, enum uio_seg pathseg)
 {
 	struct nameidata nd;
 	int error;
 
 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKSHARED | LOCKLEAF | AUDITVNODE1,
 	    pathseg, path);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	if ((error = change_dir(nd.ni_vp, td)) != 0) {
 		vput(nd.ni_vp);
 		NDFREE_PNBUF(&nd);
 		return (error);
 	}
 	VOP_UNLOCK(nd.ni_vp);
 	NDFREE_PNBUF(&nd);
 	pwd_chdir(td, nd.ni_vp);
 	return (0);
 }
 
 static int unprivileged_chroot = 0;
 SYSCTL_INT(_security_bsd, OID_AUTO, unprivileged_chroot, CTLFLAG_RW,
     &unprivileged_chroot, 0,
     "Unprivileged processes can use chroot(2)");
 
 /*
  * Takes locked vnode, unlocks it before returning.
  */
 static int
 kern_chroot(struct thread *td, struct vnode *vp)
 {
 	struct proc *p;
 	int error;
 
 	error = priv_check(td, PRIV_VFS_CHROOT);
 	if (error != 0) {
 		p = td->td_proc;
 		if (unprivileged_chroot == 0) {
 			error = EXTERROR(EPERM,
 		    "security.bsd.unprivileged_chroot sysctl not enabled");
 			goto e_vunlock;
 		}
 		if ((p->p_flag2 & P2_NO_NEW_PRIVS) == 0) {
 			error = EXTERROR(EPERM,
 			    "PROC_NO_NEW_PRIVS not enabled");
 			goto e_vunlock;
 		}
 	}
 
 	error = change_dir(vp, td);
 	if (error != 0)
 		goto e_vunlock;
 #ifdef MAC
 	error = mac_vnode_check_chroot(td->td_ucred, vp);
 	if (error != 0)
 		goto e_vunlock;
 #endif
 	VOP_UNLOCK(vp);
 	error = pwd_chroot(td, vp);
 	vrele(vp);
 	return (error);
 e_vunlock:
 	vput(vp);
 	return (error);
 }
 
 /*
  * Change notion of root (``/'') directory.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct chroot_args {
 	char	*path;
 };
 #endif
 int
 sys_chroot(struct thread *td, struct chroot_args *uap)
 {
 	struct nameidata nd;
 	int error;
 
 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKSHARED | LOCKLEAF | AUDITVNODE1,
 	    UIO_USERSPACE, uap->path);
 	error = namei(&nd);
 	if (error != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	error = kern_chroot(td, nd.ni_vp);
 	return (error);
 }
 
 /*
  * Change notion of root directory to a given file descriptor.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fchroot_args {
 	int	fd;
 };
 #endif
 int
 sys_fchroot(struct thread *td, struct fchroot_args *uap)
 {
 	struct vnode *vp;
 	struct file *fp;
 	int error;
 	uint8_t fdflags;
 
 	error = getvnode_path(td, uap->fd, &cap_fchroot_rights, &fdflags, &fp);
 	if (error != 0)
 		return (error);
 	if ((fdflags & UF_RESOLVE_BENEATH) != 0) {
 		fdrop(fp, td);
 		return (ENOTCAPABLE);
 	}
 	vp = fp->f_vnode;
 	vrefact(vp);
 	fdrop(fp, td);
 	vn_lock(vp, LK_SHARED | LK_RETRY);
 	error = kern_chroot(td, vp);
 	return (error);
 }
 
 /*
  * Common routine for chroot and chdir.  Callers must provide a locked vnode
  * instance.
  */
 int
 change_dir(struct vnode *vp, struct thread *td)
 {
 #ifdef MAC
 	int error;
 #endif
 
 	ASSERT_VOP_LOCKED(vp, "change_dir(): vp not locked");
 	if (vp->v_type != VDIR)
 		return (ENOTDIR);
 #ifdef MAC
 	error = mac_vnode_check_chdir(td->td_ucred, vp);
 	if (error != 0)
 		return (error);
 #endif
 	return (VOP_ACCESS(vp, VEXEC, td->td_ucred, td));
 }
 
 static __inline void
 flags_to_rights(int flags, cap_rights_t *rightsp)
 {
 	if (flags & O_EXEC) {
 		cap_rights_set_one(rightsp, CAP_FEXECVE);
 		if (flags & O_PATH)
 			return;
 	} else {
 		switch ((flags & O_ACCMODE)) {
 		case O_RDONLY:
 			cap_rights_set_one(rightsp, CAP_READ);
 			break;
 		case O_RDWR:
 			cap_rights_set_one(rightsp, CAP_READ);
 			/* FALLTHROUGH */
 		case O_WRONLY:
 			cap_rights_set_one(rightsp, CAP_WRITE);
 			if (!(flags & (O_APPEND | O_TRUNC)))
 				cap_rights_set_one(rightsp, CAP_SEEK);
 			break;
 		}
 	}
 
 	if (flags & O_CREAT)
 		cap_rights_set_one(rightsp, CAP_CREATE);
 
 	if (flags & O_TRUNC)
 		cap_rights_set_one(rightsp, CAP_FTRUNCATE);
 
 	if (flags & (O_SYNC | O_FSYNC))
 		cap_rights_set_one(rightsp, CAP_FSYNC);
 
 	if (flags & (O_EXLOCK | O_SHLOCK))
 		cap_rights_set_one(rightsp, CAP_FLOCK);
 }
 
 /*
  * Check permissions, allocate an open file structure, and call the device
  * open routine if any.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct open_args {
 	char	*path;
 	int	flags;
 	int	mode;
 };
 #endif
 int
 sys_open(struct thread *td, struct open_args *uap)
 {
 
 	return (kern_openat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->flags, uap->mode));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct openat_args {
 	int	fd;
 	char	*path;
 	int	flag;
 	int	mode;
 };
 #endif
 int
 sys_openat(struct thread *td, struct openat_args *uap)
 {
 
 	AUDIT_ARG_FD(uap->fd);
 	return (kern_openat(td, uap->fd, uap->path, UIO_USERSPACE, uap->flag,
 	    uap->mode));
 }
 
 /*
  * Validate open(2) flags and convert access mode flags (O_RDONLY etc.) to their
  * in-kernel representations (FREAD etc.).
  */
 static int
 openflags(int *flagsp)
 {
 	int flags;
 
 	/*
 	 * Only one of the O_EXEC, O_RDONLY, O_WRONLY and O_RDWR flags
 	 * may be specified.  On the other hand, for O_PATH any mode
 	 * except O_EXEC is ignored.
 	 */
 	flags = *flagsp;
 	if ((flags & O_PATH) != 0) {
 		flags &= ~O_ACCMODE;
 	} else if ((flags & O_EXEC) != 0) {
 		if ((flags & O_ACCMODE) != 0)
 			return (EINVAL);
 	} else if ((flags & O_ACCMODE) == O_ACCMODE) {
 		return (EINVAL);
 	} else {
 		flags = FFLAGS(flags);
 	}
 	*flagsp = flags;
 	return (0);
 }
 
 static void
 finit_open(struct file *fp, struct vnode *vp, int flags)
 {
 	/*
 	 * Store the vnode, for any f_type. Typically, the vnode use count is
 	 * decremented by a direct call to vnops.fo_close() for files that
 	 * switched type.
 	 */
 	fp->f_vnode = vp;
 
 	/*
 	 * If the file wasn't claimed by devfs or fifofs, bind it to the normal
 	 * vnode operations here.
 	 */
 	if (fp->f_ops == &badfileops) {
 		KASSERT(vp->v_type != VFIFO || (flags & O_PATH) != 0,
 		    ("Unexpected fifo fp %p vp %p", fp, vp));
 		if ((flags & O_PATH) != 0) {
 			finit(fp, (flags & FMASK) | (fp->f_flag & FKQALLOWED),
 			    DTYPE_VNODE, NULL, &path_fileops);
 		} else {
 			finit_vnode(fp, flags, NULL, &vnops);
 		}
 	}
 }
 
 /*
  * If fpp != NULL, opened file is not installed into the file
  * descriptor table, instead it is returned in *fpp.  This is
  * incompatible with fdopen(), in which case we return EINVAL.
  */
 static int
 openatfp(struct thread *td, int dirfd, const char *path,
     enum uio_seg pathseg, int flags, int mode, struct file **fpp)
 {
 	struct proc *p;
 	struct filedesc *fdp;
 	struct pwddesc *pdp;
 	struct file *fp;
 	struct vnode *vp;
 	struct filecaps *fcaps;
 	struct nameidata nd;
 	cap_rights_t rights;
 	int cmode, error, indx;
 
 	indx = -1;
 	p = td->td_proc;
 	fdp = p->p_fd;
 	pdp = p->p_pd;
 
 	AUDIT_ARG_FFLAGS(flags);
 	AUDIT_ARG_MODE(mode);
 	cap_rights_init_one(&rights, CAP_LOOKUP);
 	flags_to_rights(flags, &rights);
 
 	error = openflags(&flags);
 	if (error != 0)
 		return (error);
 
 	/*
 	 * Allocate a file structure. The descriptor to reference it
 	 * is allocated and used by finstall_refed() below.
 	 */
 	error = falloc_noinstall(td, &fp);
 	if (error != 0)
 		return (error);
 	/* Set the flags early so the finit in devfs can pick them up. */
 	fp->f_flag = flags & FMASK;
 	cmode = ((mode & ~pdp->pd_cmask) & ALLPERMS) & ~S_ISTXT;
 	NDINIT_ATRIGHTS(&nd, LOOKUP, FOLLOW | AUDITVNODE1 | WANTIOCTLCAPS,
 	    pathseg, path, dirfd, &rights);
 	td->td_dupfd = -1;		/* XXX check for fdopen */
 	error = vn_open_cred(&nd, &flags, cmode, VN_OPEN_WANTIOCTLCAPS,
 	    td->td_ucred, fp);
 	if (error != 0) {
 		/*
 		 * If the vn_open replaced the method vector, something
 		 * wonderous happened deep below and we just pass it up
 		 * pretending we know what we do.
 		 */
 		if (error == ENXIO && fp->f_ops != &badfileops) {
 			MPASS((flags & O_PATH) == 0);
 			goto success;
 		}
 
 		/*
 		 * Handle special fdopen() case. bleh.
 		 *
 		 * Don't do this for relative (capability) lookups; we don't
 		 * understand exactly what would happen, and we don't think
 		 * that it ever should.
 		 */
 		if ((nd.ni_resflags & NIRES_STRICTREL) == 0 &&
 		    (error == ENODEV || error == ENXIO) &&
 		    td->td_dupfd >= 0) {
 			MPASS(fpp == NULL);
 			error = dupfdopen(td, fdp, td->td_dupfd, flags, error,
 			    &indx);
 			if (error == 0)
 				goto success;
 		}
 
 		goto bad;
 	}
 	td->td_dupfd = 0;
 	NDFREE_PNBUF(&nd);
 	vp = nd.ni_vp;
 
 	finit_open(fp, vp, flags);
 	VOP_UNLOCK(vp);
 	if (flags & O_TRUNC) {
 		error = fo_truncate(fp, 0, td->td_ucred, td);
 		if (error != 0)
 			goto bad;
 	}
 success:
 	if (fpp != NULL) {
 		MPASS(error == 0);
 		NDFREE_IOCTLCAPS(&nd);
 		*fpp = fp;
 		return (0);
 	}
 
 	/*
 	 * If we haven't already installed the FD (for dupfdopen), do so now.
 	 */
 	if (indx == -1) {
 #ifdef CAPABILITIES
 		if ((nd.ni_resflags & NIRES_STRICTREL) != 0)
 			fcaps = &nd.ni_filecaps;
 		else
 #endif
 			fcaps = NULL;
 		if ((nd.ni_resflags & NIRES_BENEATH) != 0)
 			flags |= O_RESOLVE_BENEATH;
 		else
 			flags &= ~O_RESOLVE_BENEATH;
 		error = finstall_refed(td, fp, &indx, flags, fcaps);
 		/* On success finstall_refed() consumes fcaps. */
 		if (error != 0) {
 			goto bad;
 		}
 	} else {
 		NDFREE_IOCTLCAPS(&nd);
 		falloc_abort(td, fp);
 	}
 
 	td->td_retval[0] = indx;
 	return (0);
 bad:
 	KASSERT(indx == -1, ("indx=%d, should be -1", indx));
 	NDFREE_IOCTLCAPS(&nd);
 	falloc_abort(td, fp);
 	return (error);
 }
 
 int
 kern_openat(struct thread *td, int dirfd, const char *path,
     enum uio_seg pathseg, int flags, int mode)
 {
 	return (openatfp(td, dirfd, path, pathseg, flags, mode, NULL));
 }
 
 int
 kern_openatfp(struct thread *td, int dirfd, const char *path,
     enum uio_seg pathseg, int flags, int mode, struct file **fpp)
 {
 	int error, old_dupfd;
 
 	old_dupfd = td->td_dupfd;
 	td->td_dupfd = -1;
 	error = openatfp(td, dirfd, path, pathseg, flags, mode, fpp);
 	td->td_dupfd = old_dupfd;
 	return (error);
 }
 
 #ifdef COMPAT_43
 /*
  * Create a file.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct ocreat_args {
 	char	*path;
 	int	mode;
 };
 #endif
 int
 ocreat(struct thread *td, struct ocreat_args *uap)
 {
 
 	return (kern_openat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    O_WRONLY | O_CREAT | O_TRUNC, uap->mode));
 }
 #endif /* COMPAT_43 */
 
 /*
  * Create a special file.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct mknodat_args {
 	int	fd;
 	char	*path;
 	mode_t	mode;
 	dev_t	dev;
 };
 #endif
 int
 sys_mknodat(struct thread *td, struct mknodat_args *uap)
 {
 
 	return (kern_mknodat(td, uap->fd, uap->path, UIO_USERSPACE, uap->mode,
 	    uap->dev));
 }
 
 #if defined(COMPAT_FREEBSD11)
 int
 freebsd11_mknod(struct thread *td,
     struct freebsd11_mknod_args *uap)
 {
 
 	return (kern_mknodat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->mode, uap->dev));
 }
 
 int
 freebsd11_mknodat(struct thread *td,
     struct freebsd11_mknodat_args *uap)
 {
 
 	return (kern_mknodat(td, uap->fd, uap->path, UIO_USERSPACE, uap->mode,
 	    uap->dev));
 }
 #endif /* COMPAT_FREEBSD11 */
 
 int
 kern_mknodat(struct thread *td, int fd, const char *path, enum uio_seg pathseg,
     int mode, dev_t dev)
 {
 	struct vnode *vp;
 	struct mount *mp;
 	struct vattr vattr;
 	struct nameidata nd;
 	int error, whiteout = 0;
 
 	AUDIT_ARG_MODE(mode);
 	AUDIT_ARG_DEV(dev);
 	switch (mode & S_IFMT) {
 	case S_IFCHR:
 	case S_IFBLK:
 		error = priv_check(td, PRIV_VFS_MKNOD_DEV);
 		if (error == 0 && dev == VNOVAL)
 			error = EINVAL;
 		break;
 	case S_IFWHT:
 		error = priv_check(td, PRIV_VFS_MKNOD_WHT);
 		break;
 	case S_IFIFO:
 		if (dev == 0)
 			return (kern_mkfifoat(td, fd, path, pathseg, mode));
 		/* FALLTHROUGH */
 	default:
 		error = EINVAL;
 		break;
 	}
 	if (error != 0)
 		return (error);
 	NDPREINIT(&nd);
 restart:
 	bwillwrite();
 	NDINIT_ATRIGHTS(&nd, CREATE, LOCKPARENT | AUDITVNODE1 | NOCACHE,
 	    pathseg, path, fd, &cap_mknodat_rights);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
 	if (vp != NULL) {
 		NDFREE_PNBUF(&nd);
 		if (vp == nd.ni_dvp)
 			vrele(nd.ni_dvp);
 		else
 			vput(nd.ni_dvp);
 		vrele(vp);
 		return (EEXIST);
 	} else if ((vn_irflag_read(nd.ni_dvp) & VIRF_NAMEDDIR) != 0) {
 		NDFREE_PNBUF(&nd);
 		vput(nd.ni_dvp);
 		return (EINVAL);
 	} else {
 		VATTR_NULL(&vattr);
 		vattr.va_mode = (mode & ALLPERMS) &
 		    ~td->td_proc->p_pd->pd_cmask;
 		vattr.va_rdev = dev;
 		whiteout = 0;
 
 		switch (mode & S_IFMT) {
 		case S_IFCHR:
 			vattr.va_type = VCHR;
 			break;
 		case S_IFBLK:
 			vattr.va_type = VBLK;
 			break;
 		case S_IFWHT:
 			whiteout = 1;
 			break;
 		default:
 			panic("kern_mknod: invalid mode");
 		}
 	}
 	if (vn_start_write(nd.ni_dvp, &mp, V_NOWAIT) != 0) {
 		NDFREE_PNBUF(&nd);
 		vput(nd.ni_dvp);
 		if ((error = vn_start_write(NULL, &mp, V_XSLEEP | V_PCATCH)) != 0)
 			return (error);
 		goto restart;
 	}
 #ifdef MAC
 	if (error == 0 && !whiteout)
 		error = mac_vnode_check_create(td->td_ucred, nd.ni_dvp,
 		    &nd.ni_cnd, &vattr);
 #endif
 	if (error == 0) {
 		if (whiteout)
 			error = VOP_WHITEOUT(nd.ni_dvp, &nd.ni_cnd, CREATE);
 		else {
 			error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp,
 						&nd.ni_cnd, &vattr);
 		}
 	}
 	VOP_VPUT_PAIR(nd.ni_dvp, error == 0 && !whiteout ? &nd.ni_vp : NULL,
 	    true);
 	vn_finished_write(mp);
 	NDFREE_PNBUF(&nd);
 	if (error == ERELOOKUP)
 		goto restart;
 	return (error);
 }
 
 /*
  * Create a named pipe.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct mkfifo_args {
 	char	*path;
 	int	mode;
 };
 #endif
 int
 sys_mkfifo(struct thread *td, struct mkfifo_args *uap)
 {
 
 	return (kern_mkfifoat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->mode));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct mkfifoat_args {
 	int	fd;
 	char	*path;
 	mode_t	mode;
 };
 #endif
 int
 sys_mkfifoat(struct thread *td, struct mkfifoat_args *uap)
 {
 
 	return (kern_mkfifoat(td, uap->fd, uap->path, UIO_USERSPACE,
 	    uap->mode));
 }
 
 int
 kern_mkfifoat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, int mode)
 {
 	struct mount *mp;
 	struct vattr vattr;
 	struct nameidata nd;
 	int error;
 
 	AUDIT_ARG_MODE(mode);
 	NDPREINIT(&nd);
 restart:
 	bwillwrite();
 	NDINIT_ATRIGHTS(&nd, CREATE, LOCKPARENT | AUDITVNODE1 | NOCACHE,
 	    pathseg, path, fd, &cap_mkfifoat_rights);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	if (nd.ni_vp != NULL) {
 		NDFREE_PNBUF(&nd);
 		if (nd.ni_vp == nd.ni_dvp)
 			vrele(nd.ni_dvp);
 		else
 			vput(nd.ni_dvp);
 		vrele(nd.ni_vp);
 		return (EEXIST);
 	}
 	if ((vn_irflag_read(nd.ni_dvp) & VIRF_NAMEDDIR) != 0) {
 		NDFREE_PNBUF(&nd);
 		vput(nd.ni_dvp);
 		return (EINVAL);
 	}
 	if (vn_start_write(nd.ni_dvp, &mp, V_NOWAIT) != 0) {
 		NDFREE_PNBUF(&nd);
 		vput(nd.ni_dvp);
 		if ((error = vn_start_write(NULL, &mp, V_XSLEEP | V_PCATCH)) != 0)
 			return (error);
 		goto restart;
 	}
 	VATTR_NULL(&vattr);
 	vattr.va_type = VFIFO;
 	vattr.va_mode = (mode & ALLPERMS) & ~td->td_proc->p_pd->pd_cmask;
 #ifdef MAC
 	error = mac_vnode_check_create(td->td_ucred, nd.ni_dvp, &nd.ni_cnd,
 	    &vattr);
 	if (error != 0)
 		goto out;
 #endif
 	error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr);
 #ifdef MAC
 out:
 #endif
 	VOP_VPUT_PAIR(nd.ni_dvp, error == 0 ? &nd.ni_vp : NULL, true);
 	vn_finished_write(mp);
 	NDFREE_PNBUF(&nd);
 	if (error == ERELOOKUP)
 		goto restart;
 	return (error);
 }
 
 /*
  * Make a hard file link.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct link_args {
 	char	*path;
 	char	*link;
 };
 #endif
 int
 sys_link(struct thread *td, struct link_args *uap)
 {
 
 	return (kern_linkat(td, AT_FDCWD, AT_FDCWD, uap->path, uap->link,
 	    UIO_USERSPACE, AT_SYMLINK_FOLLOW));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct linkat_args {
 	int	fd1;
 	char	*path1;
 	int	fd2;
 	char	*path2;
 	int	flag;
 };
 #endif
 int
 sys_linkat(struct thread *td, struct linkat_args *uap)
 {
 
 	return (kern_linkat(td, uap->fd1, uap->fd2, uap->path1, uap->path2,
 	    UIO_USERSPACE, uap->flag));
 }
 
 int hardlink_check_uid = 0;
 SYSCTL_INT(_security_bsd, OID_AUTO, hardlink_check_uid, CTLFLAG_RW,
     &hardlink_check_uid, 0,
     "Unprivileged processes cannot create hard links to files owned by other "
     "users");
 static int hardlink_check_gid = 0;
 SYSCTL_INT(_security_bsd, OID_AUTO, hardlink_check_gid, CTLFLAG_RW,
     &hardlink_check_gid, 0,
     "Unprivileged processes cannot create hard links to files owned by other "
     "groups");
 
 static int
 can_hardlink(struct vnode *vp, struct ucred *cred)
 {
 	struct vattr va;
 	int error;
 
 	if (!hardlink_check_uid && !hardlink_check_gid)
 		return (0);
 
 	error = VOP_GETATTR(vp, &va, cred);
 	if (error != 0)
 		return (error);
 
 	if (hardlink_check_uid && cred->cr_uid != va.va_uid) {
 		error = priv_check_cred(cred, PRIV_VFS_LINK);
 		if (error != 0)
 			return (error);
 	}
 
 	if (hardlink_check_gid && !groupmember(va.va_gid, cred)) {
 		error = priv_check_cred(cred, PRIV_VFS_LINK);
 		if (error != 0)
 			return (error);
 	}
 
 	return (0);
 }
 
 int
 kern_linkat(struct thread *td, int fd1, int fd2, const char *path1,
     const char *path2, enum uio_seg segflag, int flag)
 {
 	struct nameidata nd;
 	int error;
 
 	if ((flag & ~(AT_SYMLINK_FOLLOW | AT_RESOLVE_BENEATH |
 	    AT_EMPTY_PATH)) != 0)
 		return (EINVAL);
 
 	NDPREINIT(&nd);
 	do {
 		bwillwrite();
 		NDINIT_ATRIGHTS(&nd, LOOKUP, AUDITVNODE1 | at2cnpflags(flag,
 		    AT_SYMLINK_FOLLOW | AT_RESOLVE_BENEATH | AT_EMPTY_PATH),
 		    segflag, path1, fd1, &cap_linkat_source_rights);
 		if ((error = namei(&nd)) != 0)
 			return (error);
 		NDFREE_PNBUF(&nd);
 		if ((nd.ni_resflags & NIRES_EMPTYPATH) != 0) {
 			error = priv_check(td, PRIV_VFS_FHOPEN);
 			if (error != 0) {
 				vrele(nd.ni_vp);
 				return (error);
 			}
 		}
 		error = kern_linkat_vp(td, nd.ni_vp, fd2, path2, segflag);
 	} while (error ==  EAGAIN || error == ERELOOKUP);
 	return (error);
 }
 
 static int
 kern_linkat_vp(struct thread *td, struct vnode *vp, int fd, const char *path,
     enum uio_seg segflag)
 {
 	struct nameidata nd;
 	struct mount *mp;
 	int error;
 
 	if (vp->v_type == VDIR) {
 		vrele(vp);
 		return (EPERM);		/* POSIX */
 	}
 	if ((vn_irflag_read(vp) & (VIRF_NAMEDDIR | VIRF_NAMEDATTR)) != 0) {
 		vrele(vp);
 		return (EINVAL);
 	}
 	NDINIT_ATRIGHTS(&nd, CREATE,
 	    LOCKPARENT | AUDITVNODE2 | NOCACHE, segflag, path, fd,
 	    &cap_linkat_target_rights);
 	if ((error = namei(&nd)) == 0) {
 		if (nd.ni_vp != NULL) {
 			NDFREE_PNBUF(&nd);
 			if (nd.ni_dvp == nd.ni_vp)
 				vrele(nd.ni_dvp);
 			else
 				vput(nd.ni_dvp);
 			vrele(nd.ni_vp);
 			vrele(vp);
 			return (EEXIST);
 		} else if (nd.ni_dvp->v_mount != vp->v_mount) {
 			/*
 			 * Cross-device link.  No need to recheck
 			 * vp->v_type, since it cannot change, except
 			 * to VBAD.
 			 */
 			NDFREE_PNBUF(&nd);
 			vput(nd.ni_dvp);
 			vrele(vp);
 			return (EXDEV);
 		} else if (vn_lock(vp, LK_EXCLUSIVE) == 0) {
 			error = can_hardlink(vp, td->td_ucred);
 #ifdef MAC
 			if (error == 0)
 				error = mac_vnode_check_link(td->td_ucred,
 				    nd.ni_dvp, vp, &nd.ni_cnd);
 #endif
 			if (error != 0) {
 				vput(vp);
 				vput(nd.ni_dvp);
 				NDFREE_PNBUF(&nd);
 				return (error);
 			}
 			error = vn_start_write(vp, &mp, V_NOWAIT);
 			if (error != 0) {
 				vput(vp);
 				vput(nd.ni_dvp);
 				NDFREE_PNBUF(&nd);
 				error = vn_start_write(NULL, &mp,
 				    V_XSLEEP | V_PCATCH);
 				if (error != 0)
 					return (error);
 				return (EAGAIN);
 			}
 			error = VOP_LINK(nd.ni_dvp, vp, &nd.ni_cnd);
 			VOP_VPUT_PAIR(nd.ni_dvp, &vp, true);
 			vn_finished_write(mp);
 			NDFREE_PNBUF(&nd);
 			vp = NULL;
 		} else {
 			vput(nd.ni_dvp);
 			NDFREE_PNBUF(&nd);
 			vrele(vp);
 			return (EAGAIN);
 		}
 	}
 	if (vp != NULL)
 		vrele(vp);
 	return (error);
 }
 
 /*
  * Make a symbolic link.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct symlink_args {
 	char	*path;
 	char	*link;
 };
 #endif
 int
 sys_symlink(struct thread *td, struct symlink_args *uap)
 {
 
 	return (kern_symlinkat(td, uap->path, AT_FDCWD, uap->link,
 	    UIO_USERSPACE));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct symlinkat_args {
 	char	*path;
 	int	fd;
 	char	*path2;
 };
 #endif
 int
 sys_symlinkat(struct thread *td, struct symlinkat_args *uap)
 {
 
 	return (kern_symlinkat(td, uap->path1, uap->fd, uap->path2,
 	    UIO_USERSPACE));
 }
 
 int
 kern_symlinkat(struct thread *td, const char *path1, int fd, const char *path2,
     enum uio_seg segflg)
 {
 	struct mount *mp;
 	struct vattr vattr;
 	const char *syspath;
 	char *tmppath;
 	struct nameidata nd;
 	int error;
 
 	if (segflg == UIO_SYSSPACE) {
 		syspath = path1;
 	} else {
 		tmppath = uma_zalloc(namei_zone, M_WAITOK);
 		if ((error = copyinstr(path1, tmppath, MAXPATHLEN, NULL)) != 0)
 			goto out;
 		syspath = tmppath;
 	}
 	AUDIT_ARG_TEXT(syspath);
 	NDPREINIT(&nd);
 restart:
 	bwillwrite();
 	NDINIT_ATRIGHTS(&nd, CREATE, LOCKPARENT | AUDITVNODE1 | NOCACHE, segflg,
 	    path2, fd, &cap_symlinkat_rights);
 	if ((error = namei(&nd)) != 0)
 		goto out;
 	if (nd.ni_vp) {
 		NDFREE_PNBUF(&nd);
 		if (nd.ni_vp == nd.ni_dvp)
 			vrele(nd.ni_dvp);
 		else
 			vput(nd.ni_dvp);
 		vrele(nd.ni_vp);
 		nd.ni_vp = NULL;
 		error = EEXIST;
 		goto out;
 	}
 	if (vn_start_write(nd.ni_dvp, &mp, V_NOWAIT) != 0) {
 		NDFREE_PNBUF(&nd);
 		vput(nd.ni_dvp);
 		if ((error = vn_start_write(NULL, &mp, V_XSLEEP | V_PCATCH)) != 0)
 			goto out;
 		goto restart;
 	}
 	if ((vn_irflag_read(nd.ni_dvp) & VIRF_NAMEDDIR) != 0) {
 		error = EINVAL;
 		goto out;
 	}
 	VATTR_NULL(&vattr);
 	vattr.va_mode = ACCESSPERMS &~ td->td_proc->p_pd->pd_cmask;
 #ifdef MAC
 	vattr.va_type = VLNK;
 	error = mac_vnode_check_create(td->td_ucred, nd.ni_dvp, &nd.ni_cnd,
 	    &vattr);
 	if (error != 0)
 		goto out2;
 #endif
 	error = VOP_SYMLINK(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr, syspath);
 #ifdef MAC
 out2:
 #endif
 	VOP_VPUT_PAIR(nd.ni_dvp, error == 0 ? &nd.ni_vp : NULL, true);
 	vn_finished_write(mp);
 	NDFREE_PNBUF(&nd);
 	if (error == ERELOOKUP)
 		goto restart;
 out:
 	if (segflg != UIO_SYSSPACE)
 		uma_zfree(namei_zone, tmppath);
 	return (error);
 }
 
 /*
  * Delete a whiteout from the filesystem.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct undelete_args {
 	char *path;
 };
 #endif
 int
 sys_undelete(struct thread *td, struct undelete_args *uap)
 {
 	struct mount *mp;
 	struct nameidata nd;
 	int error;
 
 	NDPREINIT(&nd);
 restart:
 	bwillwrite();
 	NDINIT(&nd, DELETE, LOCKPARENT | DOWHITEOUT | AUDITVNODE1,
 	    UIO_USERSPACE, uap->path);
 	error = namei(&nd);
 	if (error != 0)
 		return (error);
 
 	if (nd.ni_vp != NULL || !(nd.ni_cnd.cn_flags & ISWHITEOUT)) {
 		NDFREE_PNBUF(&nd);
 		if (nd.ni_vp == nd.ni_dvp)
 			vrele(nd.ni_dvp);
 		else
 			vput(nd.ni_dvp);
 		if (nd.ni_vp)
 			vrele(nd.ni_vp);
 		return (EEXIST);
 	}
 	if (vn_start_write(nd.ni_dvp, &mp, V_NOWAIT) != 0) {
 		NDFREE_PNBUF(&nd);
 		vput(nd.ni_dvp);
 		if ((error = vn_start_write(NULL, &mp, V_XSLEEP | V_PCATCH)) != 0)
 			return (error);
 		goto restart;
 	}
 	error = VOP_WHITEOUT(nd.ni_dvp, &nd.ni_cnd, DELETE);
 	NDFREE_PNBUF(&nd);
 	vput(nd.ni_dvp);
 	vn_finished_write(mp);
 	if (error == ERELOOKUP)
 		goto restart;
 	return (error);
 }
 
 /*
  * Delete a name from the filesystem.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct unlink_args {
 	char	*path;
 };
 #endif
 int
 sys_unlink(struct thread *td, struct unlink_args *uap)
 {
 
 	return (kern_funlinkat(td, AT_FDCWD, uap->path, FD_NONE, UIO_USERSPACE,
 	    0, 0));
 }
 
 static int
 kern_funlinkat_ex(struct thread *td, int dfd, const char *path, int fd,
     int flag, enum uio_seg pathseg, ino_t oldinum)
 {
 
 	if ((flag & ~(AT_REMOVEDIR | AT_RESOLVE_BENEATH)) != 0)
 		return (EINVAL);
 
 	if ((flag & AT_REMOVEDIR) != 0)
 		return (kern_frmdirat(td, dfd, path, fd, UIO_USERSPACE, 0));
 
 	return (kern_funlinkat(td, dfd, path, fd, UIO_USERSPACE, 0, 0));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct unlinkat_args {
 	int	fd;
 	char	*path;
 	int	flag;
 };
 #endif
 int
 sys_unlinkat(struct thread *td, struct unlinkat_args *uap)
 {
 
 	return (kern_funlinkat_ex(td, uap->fd, uap->path, FD_NONE, uap->flag,
 	    UIO_USERSPACE, 0));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct funlinkat_args {
 	int		dfd;
 	const char	*path;
 	int		fd;
 	int		flag;
 };
 #endif
 int
 sys_funlinkat(struct thread *td, struct funlinkat_args *uap)
 {
 
 	return (kern_funlinkat_ex(td, uap->dfd, uap->path, uap->fd, uap->flag,
 	    UIO_USERSPACE, 0));
 }
 
 int
 kern_funlinkat(struct thread *td, int dfd, const char *path, int fd,
     enum uio_seg pathseg, int flag, ino_t oldinum)
 {
 	struct mount *mp;
 	struct file *fp;
 	struct vnode *vp;
 	struct nameidata nd;
 	struct stat sb;
 	int error;
 
 	fp = NULL;
 	if (fd != FD_NONE) {
 		error = getvnode_path(td, fd, &cap_no_rights, NULL, &fp);
 		if (error != 0)
 			return (error);
 	}
 
 	NDPREINIT(&nd);
 restart:
 	bwillwrite();
 	NDINIT_ATRIGHTS(&nd, DELETE, LOCKPARENT | LOCKLEAF | AUDITVNODE1 |
 	    at2cnpflags(flag, AT_RESOLVE_BENEATH),
 	    pathseg, path, dfd, &cap_unlinkat_rights);
 	if ((error = namei(&nd)) != 0) {
 		if (error == EINVAL)
 			error = EPERM;
 		goto fdout;
 	}
 	vp = nd.ni_vp;
 	if (vp->v_type == VDIR && oldinum == 0) {
 		error = EPERM;		/* POSIX */
 	} else if (oldinum != 0 &&
 	    ((error = VOP_STAT(vp, &sb, td->td_ucred, NOCRED)) == 0) &&
 	    sb.st_ino != oldinum) {
 		error = EIDRM;	/* Identifier removed */
 	} else if (fp != NULL && fp->f_vnode != vp) {
 		if (VN_IS_DOOMED(fp->f_vnode))
 			error = EBADF;
 		else
 			error = EDEADLK;
 	} else {
 		/*
 		 * The root of a mounted filesystem cannot be deleted.
 		 *
 		 * XXX: can this only be a VDIR case?
 		 */
 		if (vp->v_vflag & VV_ROOT)
 			error = EBUSY;
 	}
 	if (error == 0) {
 		if (vn_start_write(nd.ni_dvp, &mp, V_NOWAIT) != 0) {
 			NDFREE_PNBUF(&nd);
 			vput(nd.ni_dvp);
 			if (vp == nd.ni_dvp)
 				vrele(vp);
 			else
 				vput(vp);
 			if ((error = vn_start_write(NULL, &mp,
 			    V_XSLEEP | V_PCATCH)) != 0) {
 				goto fdout;
 			}
 			goto restart;
 		}
 #ifdef MAC
 		error = mac_vnode_check_unlink(td->td_ucred, nd.ni_dvp, vp,
 		    &nd.ni_cnd);
 		if (error != 0)
 			goto out;
 #endif
 		error = VOP_REMOVE(nd.ni_dvp, vp, &nd.ni_cnd);
 #ifdef MAC
 out:
 #endif
 		vn_finished_write(mp);
 	}
 	NDFREE_PNBUF(&nd);
 	vput(nd.ni_dvp);
 	if (vp == nd.ni_dvp)
 		vrele(vp);
 	else
 		vput(vp);
 	if (error == ERELOOKUP)
 		goto restart;
 fdout:
 	if (fp != NULL)
 		fdrop(fp, td);
 	return (error);
 }
 
 /*
  * Reposition read/write file offset.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct lseek_args {
 	int	fd;
 	int	pad;
 	off_t	offset;
 	int	whence;
 };
 #endif
 int
 sys_lseek(struct thread *td, struct lseek_args *uap)
 {
 
 	return (kern_lseek(td, uap->fd, uap->offset, uap->whence));
 }
 
 int
 kern_lseek(struct thread *td, int fd, off_t offset, int whence)
 {
 	struct file *fp;
 	int error;
 
 	AUDIT_ARG_FD(fd);
 	error = fget(td, fd, &cap_seek_rights, &fp);
 	if (error != 0)
 		return (error);
 	error = (fp->f_ops->fo_flags & DFLAG_SEEKABLE) != 0 ?
 	    fo_seek(fp, offset, whence, td) : ESPIPE;
 	fdrop(fp, td);
 	return (error);
 }
 
 #if defined(COMPAT_43)
 /*
  * Reposition read/write file offset.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct olseek_args {
 	int	fd;
 	long	offset;
 	int	whence;
 };
 #endif
 int
 olseek(struct thread *td, struct olseek_args *uap)
 {
 
 	return (kern_lseek(td, uap->fd, uap->offset, uap->whence));
 }
 #endif /* COMPAT_43 */
 
 #if defined(COMPAT_FREEBSD6)
 /* Version with the 'pad' argument */
 int
 freebsd6_lseek(struct thread *td, struct freebsd6_lseek_args *uap)
 {
 
 	return (kern_lseek(td, uap->fd, uap->offset, uap->whence));
 }
 #endif
 
 /*
  * Check access permissions using passed credentials.
  */
 static int
 vn_access(struct vnode *vp, int user_flags, struct ucred *cred,
      struct thread *td)
 {
 	accmode_t accmode;
 	int error;
 
 	/* Flags == 0 means only check for existence. */
 	if (user_flags == 0)
 		return (0);
 
 	accmode = 0;
 	if (user_flags & R_OK)
 		accmode |= VREAD;
 	if (user_flags & W_OK)
 		accmode |= VWRITE;
 	if (user_flags & X_OK)
 		accmode |= VEXEC;
 #ifdef MAC
 	error = mac_vnode_check_access(cred, vp, accmode);
 	if (error != 0)
 		return (error);
 #endif
 	if ((accmode & VWRITE) == 0 || (error = vn_writechk(vp)) == 0)
 		error = VOP_ACCESS(vp, accmode, cred, td);
 	return (error);
 }
 
 /*
  * Check access permissions using "real" credentials.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct access_args {
 	char	*path;
 	int	amode;
 };
 #endif
 int
 sys_access(struct thread *td, struct access_args *uap)
 {
 
 	return (kern_accessat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    0, uap->amode));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct faccessat_args {
 	int	dirfd;
 	char	*path;
 	int	amode;
 	int	flag;
 }
 #endif
 int
 sys_faccessat(struct thread *td, struct faccessat_args *uap)
 {
 
 	return (kern_accessat(td, uap->fd, uap->path, UIO_USERSPACE, uap->flag,
 	    uap->amode));
 }
 
 int
 kern_accessat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, int flag, int amode)
 {
 	struct ucred *cred, *usecred;
 	struct vnode *vp;
 	struct nameidata nd;
 	int error;
 
 	if ((flag & ~(AT_EACCESS | AT_RESOLVE_BENEATH | AT_EMPTY_PATH |
 	    AT_SYMLINK_NOFOLLOW)) != 0)
 		return (EINVAL);
 	if (amode != F_OK && (amode & ~(R_OK | W_OK | X_OK)) != 0)
 		return (EINVAL);
 
 	/*
 	 * Create and modify a temporary credential instead of one that
 	 * is potentially shared (if we need one).
 	 */
 	cred = td->td_ucred;
 	if ((flag & AT_EACCESS) == 0 &&
 	    ((cred->cr_uid != cred->cr_ruid ||
 	    cred->cr_rgid != cred->cr_gid))) {
 		usecred = crdup(cred);
 		usecred->cr_uid = cred->cr_ruid;
 		usecred->cr_gid = cred->cr_rgid;
 		td->td_ucred = usecred;
 	} else
 		usecred = cred;
 	AUDIT_ARG_VALUE(amode);
 	NDINIT_ATRIGHTS(&nd, LOOKUP, LOCKSHARED | LOCKLEAF |
 	    AUDITVNODE1 | at2cnpflags(flag, AT_RESOLVE_BENEATH | AT_SYMLINK_NOFOLLOW |
 	    AT_EMPTY_PATH), pathseg, path, fd, &cap_fstat_rights);
 	if ((error = namei(&nd)) != 0)
 		goto out;
 	vp = nd.ni_vp;
 
 	error = vn_access(vp, amode, usecred, td);
 	NDFREE_PNBUF(&nd);
 	vput(vp);
 out:
 	if (usecred != cred) {
 		td->td_ucred = cred;
 		crfree(usecred);
 	}
 	return (error);
 }
 
 /*
  * Check access permissions using "effective" credentials.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct eaccess_args {
 	char	*path;
 	int	amode;
 };
 #endif
 int
 sys_eaccess(struct thread *td, struct eaccess_args *uap)
 {
 
 	return (kern_accessat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    AT_EACCESS, uap->amode));
 }
 
 #if defined(COMPAT_43)
 /*
  * Get file status; this version follows links.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct ostat_args {
 	char	*path;
 	struct ostat *ub;
 };
 #endif
 int
 ostat(struct thread *td, struct ostat_args *uap)
 {
 	struct stat sb;
 	struct ostat osb;
 	int error;
 
 	error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, &sb);
 	if (error != 0)
 		return (error);
 	cvtstat(&sb, &osb);
 	return (copyout(&osb, uap->ub, sizeof (osb)));
 }
 
 /*
  * Get file status; this version does not follow links.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct olstat_args {
 	char	*path;
 	struct ostat *ub;
 };
 #endif
 int
 olstat(struct thread *td, struct olstat_args *uap)
 {
 	struct stat sb;
 	struct ostat osb;
 	int error;
 
 	error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
 	    UIO_USERSPACE, &sb);
 	if (error != 0)
 		return (error);
 	cvtstat(&sb, &osb);
 	return (copyout(&osb, uap->ub, sizeof (osb)));
 }
 
 /*
  * Convert from an old to a new stat structure.
  * XXX: many values are blindly truncated.
  */
 void
 cvtstat(struct stat *st, struct ostat *ost)
 {
 
 	bzero(ost, sizeof(*ost));
 	ost->st_dev = st->st_dev;
 	ost->st_ino = st->st_ino;
 	ost->st_mode = st->st_mode;
 	ost->st_nlink = st->st_nlink;
 	ost->st_uid = st->st_uid;
 	ost->st_gid = st->st_gid;
 	ost->st_rdev = st->st_rdev;
 	ost->st_size = MIN(st->st_size, INT32_MAX);
 	ost->st_atim = st->st_atim;
 	ost->st_mtim = st->st_mtim;
 	ost->st_ctim = st->st_ctim;
 	ost->st_blksize = st->st_blksize;
 	ost->st_blocks = st->st_blocks;
 	ost->st_flags = st->st_flags;
 	ost->st_gen = st->st_gen;
 }
 #endif /* COMPAT_43 */
 
 #if defined(COMPAT_43) || defined(COMPAT_FREEBSD11)
 int ino64_trunc_error;
 SYSCTL_INT(_vfs, OID_AUTO, ino64_trunc_error, CTLFLAG_RW,
     &ino64_trunc_error, 0,
     "Error on truncation of device, file or inode number, or link count");
 
 int
 freebsd11_cvtstat(struct stat *st, struct freebsd11_stat *ost)
 {
 
 	ost->st_dev = st->st_dev;
 	if (ost->st_dev != st->st_dev) {
 		switch (ino64_trunc_error) {
 		default:
 			/*
 			 * Since dev_t is almost raw, don't clamp to the
 			 * maximum for case 2, but ignore the error.
 			 */
 			break;
 		case 1:
 			return (EOVERFLOW);
 		}
 	}
 	ost->st_ino = st->st_ino;
 	if (ost->st_ino != st->st_ino) {
 		switch (ino64_trunc_error) {
 		default:
 		case 0:
 			break;
 		case 1:
 			return (EOVERFLOW);
 		case 2:
 			ost->st_ino = UINT32_MAX;
 			break;
 		}
 	}
 	ost->st_mode = st->st_mode;
 	ost->st_nlink = st->st_nlink;
 	if (ost->st_nlink != st->st_nlink) {
 		switch (ino64_trunc_error) {
 		default:
 		case 0:
 			break;
 		case 1:
 			return (EOVERFLOW);
 		case 2:
 			ost->st_nlink = UINT16_MAX;
 			break;
 		}
 	}
 	ost->st_uid = st->st_uid;
 	ost->st_gid = st->st_gid;
 	ost->st_rdev = st->st_rdev;
 	if (ost->st_rdev != st->st_rdev) {
 		switch (ino64_trunc_error) {
 		default:
 			break;
 		case 1:
 			return (EOVERFLOW);
 		}
 	}
 	ost->st_atim = st->st_atim;
 	ost->st_mtim = st->st_mtim;
 	ost->st_ctim = st->st_ctim;
 	ost->st_size = st->st_size;
 	ost->st_blocks = st->st_blocks;
 	ost->st_blksize = st->st_blksize;
 	ost->st_flags = st->st_flags;
 	ost->st_gen = st->st_gen;
 	ost->st_lspare = 0;
 	ost->st_birthtim = st->st_birthtim;
 	bzero((char *)&ost->st_birthtim + sizeof(ost->st_birthtim),
 	    sizeof(*ost) - offsetof(struct freebsd11_stat,
 	    st_birthtim) - sizeof(ost->st_birthtim));
 	return (0);
 }
 
 int
 freebsd11_stat(struct thread *td, struct freebsd11_stat_args* uap)
 {
 	struct stat sb;
 	struct freebsd11_stat osb;
 	int error;
 
 	error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, &sb);
 	if (error != 0)
 		return (error);
 	error = freebsd11_cvtstat(&sb, &osb);
 	if (error == 0)
 		error = copyout(&osb, uap->ub, sizeof(osb));
 	return (error);
 }
 
 int
 freebsd11_lstat(struct thread *td, struct freebsd11_lstat_args* uap)
 {
 	struct stat sb;
 	struct freebsd11_stat osb;
 	int error;
 
 	error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
 	    UIO_USERSPACE, &sb);
 	if (error != 0)
 		return (error);
 	error = freebsd11_cvtstat(&sb, &osb);
 	if (error == 0)
 		error = copyout(&osb, uap->ub, sizeof(osb));
 	return (error);
 }
 
 int
 freebsd11_fhstat(struct thread *td, struct freebsd11_fhstat_args* uap)
 {
 	struct fhandle fh;
 	struct stat sb;
 	struct freebsd11_stat osb;
 	int error;
 
 	error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
 	if (error != 0)
 		return (error);
 	error = kern_fhstat(td, fh, &sb);
 	if (error != 0)
 		return (error);
 	error = freebsd11_cvtstat(&sb, &osb);
 	if (error == 0)
 		error = copyout(&osb, uap->sb, sizeof(osb));
 	return (error);
 }
 
 int
 freebsd11_fstatat(struct thread *td, struct freebsd11_fstatat_args* uap)
 {
 	struct stat sb;
 	struct freebsd11_stat osb;
 	int error;
 
 	error = kern_statat(td, uap->flag, uap->fd, uap->path,
 	    UIO_USERSPACE, &sb);
 	if (error != 0)
 		return (error);
 	error = freebsd11_cvtstat(&sb, &osb);
 	if (error == 0)
 		error = copyout(&osb, uap->buf, sizeof(osb));
 	return (error);
 }
 #endif	/* COMPAT_FREEBSD11 */
 
 /*
  * Get file status
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fstatat_args {
 	int	fd;
 	char	*path;
 	struct stat	*buf;
 	int	flag;
 }
 #endif
 int
 sys_fstatat(struct thread *td, struct fstatat_args *uap)
 {
 	struct stat sb;
 	int error;
 
 	error = kern_statat(td, uap->flag, uap->fd, uap->path,
 	    UIO_USERSPACE, &sb);
 	if (error == 0)
 		error = copyout(&sb, uap->buf, sizeof (sb));
 	return (error);
 }
 
 int
 kern_statat(struct thread *td, int flag, int fd, const char *path,
     enum uio_seg pathseg, struct stat *sbp)
 {
 	struct nameidata nd;
 	int error;
 
 	if ((flag & ~(AT_SYMLINK_NOFOLLOW | AT_RESOLVE_BENEATH |
 	    AT_EMPTY_PATH)) != 0)
 		return (EINVAL);
 
 	NDINIT_ATRIGHTS(&nd, LOOKUP, at2cnpflags(flag, AT_RESOLVE_BENEATH |
 	    AT_SYMLINK_NOFOLLOW | AT_EMPTY_PATH) | LOCKSHARED | LOCKLEAF |
 	    AUDITVNODE1, pathseg, path, fd, &cap_fstat_rights);
 
 	if ((error = namei(&nd)) != 0) {
 		if (error == ENOTDIR &&
 		    (nd.ni_resflags & NIRES_EMPTYPATH) != 0)
 			error = kern_fstat(td, fd, sbp);
 		return (error);
 	}
 	error = VOP_STAT(nd.ni_vp, sbp, td->td_ucred, NOCRED);
 	NDFREE_PNBUF(&nd);
 	vput(nd.ni_vp);
 #ifdef __STAT_TIME_T_EXT
 	sbp->st_atim_ext = 0;
 	sbp->st_mtim_ext = 0;
 	sbp->st_ctim_ext = 0;
 	sbp->st_btim_ext = 0;
 #endif
 #ifdef KTRACE
 	if (KTRPOINT(td, KTR_STRUCT))
 		ktrstat_error(sbp, error);
 #endif
 	return (error);
 }
 
 #if defined(COMPAT_FREEBSD11)
 /*
  * Implementation of the NetBSD [l]stat() functions.
  */
 int
 freebsd11_cvtnstat(struct stat *sb, struct nstat *nsb)
 {
 	struct freebsd11_stat sb11;
 	int error;
 
 	error = freebsd11_cvtstat(sb, &sb11);
 	if (error != 0)
 		return (error);
 
 	bzero(nsb, sizeof(*nsb));
 	CP(sb11, *nsb, st_dev);
 	CP(sb11, *nsb, st_ino);
 	CP(sb11, *nsb, st_mode);
 	CP(sb11, *nsb, st_nlink);
 	CP(sb11, *nsb, st_uid);
 	CP(sb11, *nsb, st_gid);
 	CP(sb11, *nsb, st_rdev);
 	CP(sb11, *nsb, st_atim);
 	CP(sb11, *nsb, st_mtim);
 	CP(sb11, *nsb, st_ctim);
 	CP(sb11, *nsb, st_size);
 	CP(sb11, *nsb, st_blocks);
 	CP(sb11, *nsb, st_blksize);
 	CP(sb11, *nsb, st_flags);
 	CP(sb11, *nsb, st_gen);
 	CP(sb11, *nsb, st_birthtim);
 	return (0);
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct freebsd11_nstat_args {
 	char	*path;
 	struct nstat *ub;
 };
 #endif
 int
 freebsd11_nstat(struct thread *td, struct freebsd11_nstat_args *uap)
 {
 	struct stat sb;
 	struct nstat nsb;
 	int error;
 
 	error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, &sb);
 	if (error != 0)
 		return (error);
 	error = freebsd11_cvtnstat(&sb, &nsb);
 	if (error == 0)
 		error = copyout(&nsb, uap->ub, sizeof (nsb));
 	return (error);
 }
 
 /*
  * NetBSD lstat.  Get file status; this version does not follow links.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct freebsd11_nlstat_args {
 	char	*path;
 	struct nstat *ub;
 };
 #endif
 int
 freebsd11_nlstat(struct thread *td, struct freebsd11_nlstat_args *uap)
 {
 	struct stat sb;
 	struct nstat nsb;
 	int error;
 
 	error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
 	    UIO_USERSPACE, &sb);
 	if (error != 0)
 		return (error);
 	error = freebsd11_cvtnstat(&sb, &nsb);
 	if (error == 0)
 		error = copyout(&nsb, uap->ub, sizeof (nsb));
 	return (error);
 }
 #endif /* COMPAT_FREEBSD11 */
 
 /*
  * Get configurable pathname variables.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct pathconf_args {
 	char	*path;
 	int	name;
 };
 #endif
 int
 sys_pathconf(struct thread *td, struct pathconf_args *uap)
 {
 	long value;
 	int error;
 
 	error = kern_pathconf(td, uap->path, UIO_USERSPACE, uap->name, FOLLOW,
 	    &value);
 	if (error == 0)
 		td->td_retval[0] = value;
 	return (error);
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct lpathconf_args {
 	char	*path;
 	int	name;
 };
 #endif
 int
 sys_lpathconf(struct thread *td, struct lpathconf_args *uap)
 {
 	long value;
 	int error;
 
 	error = kern_pathconf(td, uap->path, UIO_USERSPACE, uap->name,
 	    NOFOLLOW, &value);
 	if (error == 0)
 		td->td_retval[0] = value;
 	return (error);
 }
 
 int
 kern_pathconf(struct thread *td, const char *path, enum uio_seg pathseg,
     int name, u_long flags, long *valuep)
 {
 	struct nameidata nd;
 	int error;
 
 	NDINIT(&nd, LOOKUP, LOCKSHARED | LOCKLEAF | AUDITVNODE1 | flags,
 	       pathseg, path);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 
 	error = VOP_PATHCONF(nd.ni_vp, name, valuep);
 	vput(nd.ni_vp);
 	return (error);
 }
 
 /*
  * Return target name of a symbolic link.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct readlink_args {
 	char	*path;
 	char	*buf;
 	size_t	count;
 };
 #endif
 int
 sys_readlink(struct thread *td, struct readlink_args *uap)
 {
 
 	return (kern_readlinkat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->buf, UIO_USERSPACE, uap->count));
 }
 #ifndef _SYS_SYSPROTO_H_
 struct readlinkat_args {
 	int	fd;
 	char	*path;
 	char	*buf;
 	size_t	bufsize;
 };
 #endif
 int
 sys_readlinkat(struct thread *td, struct readlinkat_args *uap)
 {
 
 	return (kern_readlinkat(td, uap->fd, uap->path, UIO_USERSPACE,
 	    uap->buf, UIO_USERSPACE, uap->bufsize));
 }
 
 int
 kern_readlinkat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, char *buf, enum uio_seg bufseg, size_t count)
 {
 	struct vnode *vp;
 	struct nameidata nd;
 	int error;
 
 	if (count > IOSIZE_MAX)
 		return (EINVAL);
 
 	NDINIT_AT(&nd, LOOKUP, NOFOLLOW | LOCKSHARED | LOCKLEAF | AUDITVNODE1 |
 	    EMPTYPATH, pathseg, path, fd);
 
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	vp = nd.ni_vp;
 
 	error = kern_readlink_vp(vp, buf, bufseg, count, td);
 	vput(vp);
 
 	return (error);
 }
 
 /*
  * Helper function to readlink from a vnode
  */
 static int
 kern_readlink_vp(struct vnode *vp, char *buf, enum uio_seg bufseg, size_t count,
     struct thread *td)
 {
 	struct iovec aiov;
 	struct uio auio;
 	int error;
 
 	ASSERT_VOP_LOCKED(vp, "kern_readlink_vp(): vp not locked");
 #ifdef MAC
 	error = mac_vnode_check_readlink(td->td_ucred, vp);
 	if (error != 0)
 		return (error);
 #endif
 	if (vp->v_type != VLNK && (vp->v_vflag & VV_READLINK) == 0)
 		return (EINVAL);
 
 	aiov.iov_base = buf;
 	aiov.iov_len = count;
 	auio.uio_iov = &aiov;
 	auio.uio_iovcnt = 1;
 	auio.uio_offset = 0;
 	auio.uio_rw = UIO_READ;
 	auio.uio_segflg = bufseg;
 	auio.uio_td = td;
 	auio.uio_resid = count;
 	error = VOP_READLINK(vp, &auio, td->td_ucred);
 	td->td_retval[0] = count - auio.uio_resid;
 	return (error);
 }
 
 /*
  * Common implementation code for chflags() and fchflags().
  */
 static int
 setfflags(struct thread *td, struct vnode *vp, u_long flags)
 {
 	struct mount *mp;
 	struct vattr vattr;
 	int error;
 
 	/* We can't support the value matching VNOVAL. */
 	if (flags == VNOVAL)
 		return (EOPNOTSUPP);
 
 	/*
 	 * Prevent non-root users from setting flags on devices.  When
 	 * a device is reused, users can retain ownership of the device
 	 * if they are allowed to set flags and programs assume that
 	 * chown can't fail when done as root.
 	 */
 	if (VN_ISDEV(vp)) {
 		error = priv_check(td, PRIV_VFS_CHFLAGS_DEV);
 		if (error != 0)
 			return (error);
 	}
 
 	if ((error = vn_start_write(vp, &mp, V_WAIT | V_PCATCH)) != 0)
 		return (error);
 	VATTR_NULL(&vattr);
 	vattr.va_flags = flags;
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 #ifdef MAC
 	error = mac_vnode_check_setflags(td->td_ucred, vp, vattr.va_flags);
 	if (error == 0)
 #endif
 		error = VOP_SETATTR(vp, &vattr, td->td_ucred);
 	VOP_UNLOCK(vp);
 	vn_finished_write(mp);
 	return (error);
 }
 
 /*
  * Change flags of a file given a path name.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct chflags_args {
 	const char *path;
 	u_long	flags;
 };
 #endif
 int
 sys_chflags(struct thread *td, struct chflags_args *uap)
 {
 
 	return (kern_chflagsat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->flags, 0));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct chflagsat_args {
 	int	fd;
 	const char *path;
 	u_long	flags;
 	int	atflag;
 }
 #endif
 int
 sys_chflagsat(struct thread *td, struct chflagsat_args *uap)
 {
 
 	return (kern_chflagsat(td, uap->fd, uap->path, UIO_USERSPACE,
 	    uap->flags, uap->atflag));
 }
 
 /*
  * Same as chflags() but doesn't follow symlinks.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct lchflags_args {
 	const char *path;
 	u_long flags;
 };
 #endif
 int
 sys_lchflags(struct thread *td, struct lchflags_args *uap)
 {
 
 	return (kern_chflagsat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->flags, AT_SYMLINK_NOFOLLOW));
 }
 
 static int
 kern_chflagsat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, u_long flags, int atflag)
 {
 	struct nameidata nd;
 	int error;
 
 	if ((atflag & ~(AT_SYMLINK_NOFOLLOW | AT_RESOLVE_BENEATH |
 	    AT_EMPTY_PATH)) != 0)
 		return (EINVAL);
 
 	AUDIT_ARG_FFLAGS(flags);
 	NDINIT_ATRIGHTS(&nd, LOOKUP, at2cnpflags(atflag, AT_SYMLINK_NOFOLLOW |
 	    AT_RESOLVE_BENEATH | AT_EMPTY_PATH) | AUDITVNODE1, pathseg, path,
 	    fd, &cap_fchflags_rights);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	error = setfflags(td, nd.ni_vp, flags);
 	vrele(nd.ni_vp);
 	return (error);
 }
 
 /*
  * Change flags of a file given a file descriptor.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fchflags_args {
 	int	fd;
 	u_long	flags;
 };
 #endif
 int
 sys_fchflags(struct thread *td, struct fchflags_args *uap)
 {
 	struct file *fp;
 	int error;
 
 	AUDIT_ARG_FD(uap->fd);
 	AUDIT_ARG_FFLAGS(uap->flags);
 	error = getvnode(td, uap->fd, &cap_fchflags_rights,
 	    &fp);
 	if (error != 0)
 		return (error);
 #ifdef AUDIT
 	if (AUDITING_TD(td)) {
 		vn_lock(fp->f_vnode, LK_SHARED | LK_RETRY);
 		AUDIT_ARG_VNODE1(fp->f_vnode);
 		VOP_UNLOCK(fp->f_vnode);
 	}
 #endif
 	error = setfflags(td, fp->f_vnode, uap->flags);
 	fdrop(fp, td);
 	return (error);
 }
 
 /*
  * Common implementation code for chmod(), lchmod() and fchmod().
  */
 int
 setfmode(struct thread *td, struct ucred *cred, struct vnode *vp, int mode)
 {
 	struct mount *mp;
 	struct vattr vattr;
 	int error;
 
 	if ((error = vn_start_write(vp, &mp, V_WAIT | V_PCATCH)) != 0)
 		return (error);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	VATTR_NULL(&vattr);
 	vattr.va_mode = mode & ALLPERMS;
 #ifdef MAC
 	error = mac_vnode_check_setmode(cred, vp, vattr.va_mode);
 	if (error == 0)
 #endif
 		error = VOP_SETATTR(vp, &vattr, cred);
 	VOP_UNLOCK(vp);
 	vn_finished_write(mp);
 	return (error);
 }
 
 /*
  * Change mode of a file given path name.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct chmod_args {
 	char	*path;
 	int	mode;
 };
 #endif
 int
 sys_chmod(struct thread *td, struct chmod_args *uap)
 {
 
 	return (kern_fchmodat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->mode, 0));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct fchmodat_args {
 	int	dirfd;
 	char	*path;
 	mode_t	mode;
 	int	flag;
 }
 #endif
 int
 sys_fchmodat(struct thread *td, struct fchmodat_args *uap)
 {
 
 	return (kern_fchmodat(td, uap->fd, uap->path, UIO_USERSPACE,
 	    uap->mode, uap->flag));
 }
 
 /*
  * Change mode of a file given path name (don't follow links.)
  */
 #ifndef _SYS_SYSPROTO_H_
 struct lchmod_args {
 	char	*path;
 	int	mode;
 };
 #endif
 int
 sys_lchmod(struct thread *td, struct lchmod_args *uap)
 {
 
 	return (kern_fchmodat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->mode, AT_SYMLINK_NOFOLLOW));
 }
 
 int
 kern_fchmodat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, mode_t mode, int flag)
 {
 	struct nameidata nd;
 	int error;
 
 	if ((flag & ~(AT_SYMLINK_NOFOLLOW | AT_RESOLVE_BENEATH |
 	    AT_EMPTY_PATH)) != 0)
 		return (EINVAL);
 
 	AUDIT_ARG_MODE(mode);
 	NDINIT_ATRIGHTS(&nd, LOOKUP, at2cnpflags(flag, AT_SYMLINK_NOFOLLOW |
 	    AT_RESOLVE_BENEATH | AT_EMPTY_PATH) | AUDITVNODE1, pathseg, path,
 	    fd, &cap_fchmod_rights);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	error = setfmode(td, td->td_ucred, nd.ni_vp, mode);
 	vrele(nd.ni_vp);
 	return (error);
 }
 
 /*
  * Change mode of a file given a file descriptor.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fchmod_args {
 	int	fd;
 	int	mode;
 };
 #endif
 int
 sys_fchmod(struct thread *td, struct fchmod_args *uap)
 {
 	struct file *fp;
 	int error;
 
 	AUDIT_ARG_FD(uap->fd);
 	AUDIT_ARG_MODE(uap->mode);
 
 	error = fget(td, uap->fd, &cap_fchmod_rights, &fp);
 	if (error != 0)
 		return (error);
 	error = fo_chmod(fp, uap->mode, td->td_ucred, td);
 	fdrop(fp, td);
 	return (error);
 }
 
 /*
  * Common implementation for chown(), lchown(), and fchown()
  */
 int
 setfown(struct thread *td, struct ucred *cred, struct vnode *vp, uid_t uid,
     gid_t gid)
 {
 	struct mount *mp;
 	struct vattr vattr;
 	int error;
 
 	if ((error = vn_start_write(vp, &mp, V_WAIT | V_PCATCH)) != 0)
 		return (error);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	VATTR_NULL(&vattr);
 	vattr.va_uid = uid;
 	vattr.va_gid = gid;
 #ifdef MAC
 	error = mac_vnode_check_setowner(cred, vp, vattr.va_uid,
 	    vattr.va_gid);
 	if (error == 0)
 #endif
 		error = VOP_SETATTR(vp, &vattr, cred);
 	VOP_UNLOCK(vp);
 	vn_finished_write(mp);
 	return (error);
 }
 
 /*
  * Set ownership given a path name.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct chown_args {
 	char	*path;
 	int	uid;
 	int	gid;
 };
 #endif
 int
 sys_chown(struct thread *td, struct chown_args *uap)
 {
 
 	return (kern_fchownat(td, AT_FDCWD, uap->path, UIO_USERSPACE, uap->uid,
 	    uap->gid, 0));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct fchownat_args {
 	int fd;
 	const char * path;
 	uid_t uid;
 	gid_t gid;
 	int flag;
 };
 #endif
 int
 sys_fchownat(struct thread *td, struct fchownat_args *uap)
 {
 
 	return (kern_fchownat(td, uap->fd, uap->path, UIO_USERSPACE, uap->uid,
 	    uap->gid, uap->flag));
 }
 
 int
 kern_fchownat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, int uid, int gid, int flag)
 {
 	struct nameidata nd;
 	int error;
 
 	if ((flag & ~(AT_SYMLINK_NOFOLLOW | AT_RESOLVE_BENEATH |
 	    AT_EMPTY_PATH)) != 0)
 		return (EINVAL);
 
 	AUDIT_ARG_OWNER(uid, gid);
 	NDINIT_ATRIGHTS(&nd, LOOKUP, at2cnpflags(flag, AT_SYMLINK_NOFOLLOW |
 	    AT_RESOLVE_BENEATH | AT_EMPTY_PATH) | AUDITVNODE1, pathseg, path,
 	    fd, &cap_fchown_rights);
 
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	error = setfown(td, td->td_ucred, nd.ni_vp, uid, gid);
 	vrele(nd.ni_vp);
 	return (error);
 }
 
 /*
  * Set ownership given a path name, do not cross symlinks.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct lchown_args {
 	char	*path;
 	int	uid;
 	int	gid;
 };
 #endif
 int
 sys_lchown(struct thread *td, struct lchown_args *uap)
 {
 
 	return (kern_fchownat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->uid, uap->gid, AT_SYMLINK_NOFOLLOW));
 }
 
 /*
  * Set ownership given a file descriptor.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fchown_args {
 	int	fd;
 	int	uid;
 	int	gid;
 };
 #endif
 int
 sys_fchown(struct thread *td, struct fchown_args *uap)
 {
 	struct file *fp;
 	int error;
 
 	AUDIT_ARG_FD(uap->fd);
 	AUDIT_ARG_OWNER(uap->uid, uap->gid);
 	error = fget(td, uap->fd, &cap_fchown_rights, &fp);
 	if (error != 0)
 		return (error);
 	error = fo_chown(fp, uap->uid, uap->gid, td->td_ucred, td);
 	fdrop(fp, td);
 	return (error);
 }
 
 /*
  * Common implementation code for utimes(), lutimes(), and futimes().
  */
 static int
 getutimes(const struct timeval *usrtvp, enum uio_seg tvpseg,
     struct timespec *tsp)
 {
 	struct timeval tv[2];
 	const struct timeval *tvp;
 	int error;
 
 	if (usrtvp == NULL) {
 		vfs_timestamp(&tsp[0]);
 		tsp[1] = tsp[0];
 	} else {
 		if (tvpseg == UIO_SYSSPACE) {
 			tvp = usrtvp;
 		} else {
 			if ((error = copyin(usrtvp, tv, sizeof(tv))) != 0)
 				return (error);
 			tvp = tv;
 		}
 
 		if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000 ||
 		    tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000)
 			return (EINVAL);
 		TIMEVAL_TO_TIMESPEC(&tvp[0], &tsp[0]);
 		TIMEVAL_TO_TIMESPEC(&tvp[1], &tsp[1]);
 	}
 	return (0);
 }
 
 /*
  * Common implementation code for futimens(), utimensat().
  */
 #define	UTIMENS_NULL	0x1
 #define	UTIMENS_EXIT	0x2
 static int
 getutimens(const struct timespec *usrtsp, enum uio_seg tspseg,
     struct timespec *tsp, int *retflags)
 {
 	struct timespec tsnow;
 	int error;
 
 	vfs_timestamp(&tsnow);
 	*retflags = 0;
 	if (usrtsp == NULL) {
 		tsp[0] = tsnow;
 		tsp[1] = tsnow;
 		*retflags |= UTIMENS_NULL;
 		return (0);
 	}
 	if (tspseg == UIO_SYSSPACE) {
 		tsp[0] = usrtsp[0];
 		tsp[1] = usrtsp[1];
 	} else if ((error = copyin(usrtsp, tsp, sizeof(*tsp) * 2)) != 0)
 		return (error);
 	if (tsp[0].tv_nsec == UTIME_OMIT && tsp[1].tv_nsec == UTIME_OMIT)
 		*retflags |= UTIMENS_EXIT;
 	if (tsp[0].tv_nsec == UTIME_NOW && tsp[1].tv_nsec == UTIME_NOW)
 		*retflags |= UTIMENS_NULL;
 	if (tsp[0].tv_nsec == UTIME_OMIT)
 		tsp[0].tv_sec = VNOVAL;
 	else if (tsp[0].tv_nsec == UTIME_NOW)
 		tsp[0] = tsnow;
 	else if (tsp[0].tv_nsec < 0 || tsp[0].tv_nsec >= 1000000000L)
 		return (EINVAL);
 	if (tsp[1].tv_nsec == UTIME_OMIT)
 		tsp[1].tv_sec = VNOVAL;
 	else if (tsp[1].tv_nsec == UTIME_NOW)
 		tsp[1] = tsnow;
 	else if (tsp[1].tv_nsec < 0 || tsp[1].tv_nsec >= 1000000000L)
 		return (EINVAL);
 
 	return (0);
 }
 
 /*
  * Common implementation code for utimes(), lutimes(), futimes(), futimens(),
  * and utimensat().
  */
 static int
 setutimes(struct thread *td, struct vnode *vp, const struct timespec *ts,
     int numtimes, int nullflag)
 {
 	struct mount *mp;
 	struct vattr vattr;
 	int error;
 	bool setbirthtime;
 
 	setbirthtime = false;
 	vattr.va_birthtime.tv_sec = VNOVAL;
 	vattr.va_birthtime.tv_nsec = 0;
 
 	if ((error = vn_start_write(vp, &mp, V_WAIT | V_PCATCH)) != 0)
 		return (error);
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	if (numtimes < 3 && VOP_GETATTR(vp, &vattr, td->td_ucred) == 0 &&
 	    timespeccmp(&ts[1], &vattr.va_birthtime, < ))
 		setbirthtime = true;
 	VATTR_NULL(&vattr);
 	vattr.va_atime = ts[0];
 	vattr.va_mtime = ts[1];
 	if (setbirthtime)
 		vattr.va_birthtime = ts[1];
 	if (numtimes > 2)
 		vattr.va_birthtime = ts[2];
 	if (nullflag)
 		vattr.va_vaflags |= VA_UTIMES_NULL;
 #ifdef MAC
 	error = mac_vnode_check_setutimes(td->td_ucred, vp, vattr.va_atime,
 	    vattr.va_mtime);
 #endif
 	if (error == 0)
 		error = VOP_SETATTR(vp, &vattr, td->td_ucred);
 	VOP_UNLOCK(vp);
 	vn_finished_write(mp);
 	return (error);
 }
 
 /*
  * Set the access and modification times of a file.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct utimes_args {
 	char	*path;
 	struct	timeval *tptr;
 };
 #endif
 int
 sys_utimes(struct thread *td, struct utimes_args *uap)
 {
 
 	return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->tptr, UIO_USERSPACE));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct futimesat_args {
 	int fd;
 	const char * path;
 	const struct timeval * times;
 };
 #endif
 int
 sys_futimesat(struct thread *td, struct futimesat_args *uap)
 {
 
 	return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
 	    uap->times, UIO_USERSPACE));
 }
 
 int
 kern_utimesat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, const struct timeval *tptr, enum uio_seg tptrseg)
 {
 	struct nameidata nd;
 	struct timespec ts[2];
 	int error;
 
 	if ((error = getutimes(tptr, tptrseg, ts)) != 0)
 		return (error);
 	NDINIT_ATRIGHTS(&nd, LOOKUP, FOLLOW | AUDITVNODE1, pathseg, path, fd,
 	    &cap_futimes_rights);
 
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	error = setutimes(td, nd.ni_vp, ts, 2, tptr == NULL);
 	vrele(nd.ni_vp);
 	return (error);
 }
 
 /*
  * Set the access and modification times of a file.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct lutimes_args {
 	char	*path;
 	struct	timeval *tptr;
 };
 #endif
 int
 sys_lutimes(struct thread *td, struct lutimes_args *uap)
 {
 
 	return (kern_lutimes(td, uap->path, UIO_USERSPACE, uap->tptr,
 	    UIO_USERSPACE));
 }
 
 int
 kern_lutimes(struct thread *td, const char *path, enum uio_seg pathseg,
     const struct timeval *tptr, enum uio_seg tptrseg)
 {
 	struct timespec ts[2];
 	struct nameidata nd;
 	int error;
 
 	if ((error = getutimes(tptr, tptrseg, ts)) != 0)
 		return (error);
 	NDINIT(&nd, LOOKUP, NOFOLLOW | AUDITVNODE1, pathseg, path);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	error = setutimes(td, nd.ni_vp, ts, 2, tptr == NULL);
 	vrele(nd.ni_vp);
 	return (error);
 }
 
 /*
  * Set the access and modification times of a file.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct futimes_args {
 	int	fd;
 	struct	timeval *tptr;
 };
 #endif
 int
 sys_futimes(struct thread *td, struct futimes_args *uap)
 {
 
 	return (kern_futimes(td, uap->fd, uap->tptr, UIO_USERSPACE));
 }
 
 int
 kern_futimes(struct thread *td, int fd, const struct timeval *tptr,
     enum uio_seg tptrseg)
 {
 	struct timespec ts[2];
 	struct file *fp;
 	int error;
 
 	AUDIT_ARG_FD(fd);
 	error = getutimes(tptr, tptrseg, ts);
 	if (error != 0)
 		return (error);
 	error = getvnode(td, fd, &cap_futimes_rights, &fp);
 	if (error != 0)
 		return (error);
 #ifdef AUDIT
 	if (AUDITING_TD(td)) {
 		vn_lock(fp->f_vnode, LK_SHARED | LK_RETRY);
 		AUDIT_ARG_VNODE1(fp->f_vnode);
 		VOP_UNLOCK(fp->f_vnode);
 	}
 #endif
 	error = setutimes(td, fp->f_vnode, ts, 2, tptr == NULL);
 	fdrop(fp, td);
 	return (error);
 }
 
 int
 sys_futimens(struct thread *td, struct futimens_args *uap)
 {
 
 	return (kern_futimens(td, uap->fd, uap->times, UIO_USERSPACE));
 }
 
 int
 kern_futimens(struct thread *td, int fd, const struct timespec *tptr,
     enum uio_seg tptrseg)
 {
 	struct timespec ts[2];
 	struct file *fp;
 	int error, flags;
 
 	AUDIT_ARG_FD(fd);
 	error = getutimens(tptr, tptrseg, ts, &flags);
 	if (error != 0)
 		return (error);
 	if (flags & UTIMENS_EXIT)
 		return (0);
 	error = getvnode(td, fd, &cap_futimes_rights, &fp);
 	if (error != 0)
 		return (error);
 #ifdef AUDIT
 	if (AUDITING_TD(td)) {
 		vn_lock(fp->f_vnode, LK_SHARED | LK_RETRY);
 		AUDIT_ARG_VNODE1(fp->f_vnode);
 		VOP_UNLOCK(fp->f_vnode);
 	}
 #endif
 	error = setutimes(td, fp->f_vnode, ts, 2, flags & UTIMENS_NULL);
 	fdrop(fp, td);
 	return (error);
 }
 
 int
 sys_utimensat(struct thread *td, struct utimensat_args *uap)
 {
 
 	return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE,
 	    uap->times, UIO_USERSPACE, uap->flag));
 }
 
 int
 kern_utimensat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, const struct timespec *tptr, enum uio_seg tptrseg,
     int flag)
 {
 	struct nameidata nd;
 	struct timespec ts[2];
 	int error, flags;
 
 	if ((flag & ~(AT_SYMLINK_NOFOLLOW | AT_RESOLVE_BENEATH |
 	    AT_EMPTY_PATH)) != 0)
 		return (EINVAL);
 
 	if ((error = getutimens(tptr, tptrseg, ts, &flags)) != 0)
 		return (error);
 	NDINIT_ATRIGHTS(&nd, LOOKUP, at2cnpflags(flag, AT_SYMLINK_NOFOLLOW |
 	    AT_RESOLVE_BENEATH | AT_EMPTY_PATH) | AUDITVNODE1,
 	    pathseg, path, fd, &cap_futimes_rights);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	/*
 	 * We are allowed to call namei() regardless of 2xUTIME_OMIT.
 	 * POSIX states:
 	 * "If both tv_nsec fields are UTIME_OMIT... EACCESS may be detected."
 	 * "Search permission is denied by a component of the path prefix."
 	 */
 	NDFREE_PNBUF(&nd);
 	if ((flags & UTIMENS_EXIT) == 0)
 		error = setutimes(td, nd.ni_vp, ts, 2, flags & UTIMENS_NULL);
 	vrele(nd.ni_vp);
 	return (error);
 }
 
 /*
  * Truncate a file given its path name.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct truncate_args {
 	char	*path;
 	int	pad;
 	off_t	length;
 };
 #endif
 int
 sys_truncate(struct thread *td, struct truncate_args *uap)
 {
 
 	return (kern_truncate(td, uap->path, UIO_USERSPACE, uap->length));
 }
 
 int
 kern_truncate(struct thread *td, const char *path, enum uio_seg pathseg,
     off_t length)
 {
 	struct mount *mp;
 	struct vnode *vp;
 	void *rl_cookie;
 	struct nameidata nd;
 	int error;
 
 	if (length < 0)
 		return (EINVAL);
 	NDPREINIT(&nd);
 retry:
 	NDINIT(&nd, LOOKUP, FOLLOW | AUDITVNODE1, pathseg, path);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
 	NDFREE_PNBUF(&nd);
 	rl_cookie = vn_rangelock_wlock(vp, 0, OFF_MAX);
 	if ((error = vn_start_write(vp, &mp, V_WAIT | V_PCATCH)) != 0) {
 		vn_rangelock_unlock(vp, rl_cookie);
 		vrele(vp);
 		return (error);
 	}
 	vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
 	if (vp->v_type == VDIR) {
 		error = EISDIR;
 		goto out;
 	}
 #ifdef MAC
 	error = mac_vnode_check_write(td->td_ucred, NOCRED, vp);
 	if (error != 0)
 		goto out;
 #endif
 	error = VOP_ACCESS(vp, VWRITE, td->td_ucred, td);
 	if (error != 0)
 		goto out;
 
 	error = vn_truncate_locked(vp, length, false, td->td_ucred);
 out:
 	VOP_UNLOCK(vp);
 	vn_finished_write(mp);
 	vn_rangelock_unlock(vp, rl_cookie);
 	vrele(vp);
 	if (error == ERELOOKUP)
 		goto retry;
 	return (error);
 }
 
 #if defined(COMPAT_43)
 /*
  * Truncate a file given its path name.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct otruncate_args {
 	char	*path;
 	long	length;
 };
 #endif
 int
 otruncate(struct thread *td, struct otruncate_args *uap)
 {
 
 	return (kern_truncate(td, uap->path, UIO_USERSPACE, uap->length));
 }
 #endif /* COMPAT_43 */
 
 #if defined(COMPAT_FREEBSD6)
 /* Versions with the pad argument */
 int
 freebsd6_truncate(struct thread *td, struct freebsd6_truncate_args *uap)
 {
 
 	return (kern_truncate(td, uap->path, UIO_USERSPACE, uap->length));
 }
 
 int
 freebsd6_ftruncate(struct thread *td, struct freebsd6_ftruncate_args *uap)
 {
 
 	return (kern_ftruncate(td, uap->fd, uap->length));
 }
 #endif
 
 int
 kern_fsync(struct thread *td, int fd, bool fullsync)
 {
 	struct vnode *vp;
 	struct mount *mp;
 	struct file *fp;
 	int error;
 
 	AUDIT_ARG_FD(fd);
 	error = getvnode(td, fd, &cap_fsync_rights, &fp);
 	if (error != 0)
 		return (error);
 	vp = fp->f_vnode;
 #if 0
 	if (!fullsync)
 		/* XXXKIB: compete outstanding aio writes */;
 #endif
 retry:
 	error = vn_start_write(vp, &mp, V_WAIT | V_PCATCH);
 	if (error != 0)
 		goto drop;
 	vn_lock(vp, vn_lktype_write(mp, vp) | LK_RETRY);
 	AUDIT_ARG_VNODE1(vp);
 	vnode_pager_clean_async(vp);
 	error = fullsync ? VOP_FSYNC(vp, MNT_WAIT, td) : VOP_FDATASYNC(vp, td);
 	VOP_UNLOCK(vp);
 	vn_finished_write(mp);
 	if (error == ERELOOKUP)
 		goto retry;
 drop:
 	fdrop(fp, td);
 	return (error);
 }
 
 /*
  * Sync an open file.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fsync_args {
 	int	fd;
 };
 #endif
 int
 sys_fsync(struct thread *td, struct fsync_args *uap)
 {
 
 	return (kern_fsync(td, uap->fd, true));
 }
 
 int
 sys_fdatasync(struct thread *td, struct fdatasync_args *uap)
 {
 
 	return (kern_fsync(td, uap->fd, false));
 }
 
 /*
  * Rename files.  Source and destination must either both be directories, or
  * both not be directories.  If target is a directory, it must be empty.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct rename_args {
 	char	*from;
 	char	*to;
 };
 #endif
 int
 sys_rename(struct thread *td, struct rename_args *uap)
 {
 
 	return (kern_renameat(td, AT_FDCWD, uap->from, AT_FDCWD,
 	    uap->to, UIO_USERSPACE));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct renameat_args {
 	int	oldfd;
 	char	*old;
 	int	newfd;
 	char	*new;
 };
 #endif
 int
 sys_renameat(struct thread *td, struct renameat_args *uap)
 {
 
 	return (kern_renameat(td, uap->oldfd, uap->old, uap->newfd, uap->new,
 	    UIO_USERSPACE));
 }
 
 #ifdef MAC
 static int
 kern_renameat_mac(struct thread *td, int oldfd, const char *old, int newfd,
     const char *new, enum uio_seg pathseg, struct nameidata *fromnd)
 {
 	int error;
 
 	NDINIT_ATRIGHTS(fromnd, DELETE, LOCKPARENT | LOCKLEAF | AUDITVNODE1,
 	    pathseg, old, oldfd, &cap_renameat_source_rights);
 	if ((error = namei(fromnd)) != 0)
 		return (error);
 	error = mac_vnode_check_rename_from(td->td_ucred, fromnd->ni_dvp,
 	    fromnd->ni_vp, &fromnd->ni_cnd);
 	VOP_UNLOCK(fromnd->ni_dvp);
 	if (fromnd->ni_dvp != fromnd->ni_vp)
 		VOP_UNLOCK(fromnd->ni_vp);
 	if (error != 0) {
 		NDFREE_PNBUF(fromnd);
 		vrele(fromnd->ni_dvp);
 		vrele(fromnd->ni_vp);
 	}
 	return (error);
 }
 #endif
 
 int
 kern_renameat(struct thread *td, int oldfd, const char *old, int newfd,
     const char *new, enum uio_seg pathseg)
 {
 	struct mount *mp, *tmp;
 	struct vnode *tvp, *fvp, *tdvp;
 	struct nameidata fromnd, tond;
 	uint64_t tondflags;
 	int error;
 	short irflag;
 
 again:
 	tmp = mp = NULL;
 	bwillwrite();
 #ifdef MAC
 	if (mac_vnode_check_rename_from_enabled()) {
 		error = kern_renameat_mac(td, oldfd, old, newfd, new, pathseg,
 		    &fromnd);
 		if (error != 0)
 			return (error);
 	} else {
 #endif
 	NDINIT_ATRIGHTS(&fromnd, DELETE, WANTPARENT | AUDITVNODE1,
 	    pathseg, old, oldfd, &cap_renameat_source_rights);
 	if ((error = namei(&fromnd)) != 0)
 		return (error);
 #ifdef MAC
 	}
 #endif
 	fvp = fromnd.ni_vp;
 	tondflags = LOCKPARENT | LOCKLEAF | NOCACHE | AUDITVNODE2;
 	if (fromnd.ni_vp->v_type == VDIR)
 		tondflags |= WILLBEDIR;
 	NDINIT_ATRIGHTS(&tond, RENAME, tondflags, pathseg, new, newfd,
 	    &cap_renameat_target_rights);
 	if ((error = namei(&tond)) != 0) {
 		/* Translate error code for rename("dir1", "dir2/."). */
 		if (error == EISDIR && fvp->v_type == VDIR)
 			error = EINVAL;
 		NDFREE_PNBUF(&fromnd);
 		vrele(fromnd.ni_dvp);
 		vrele(fvp);
 		goto out1;
 	}
 	tdvp = tond.ni_dvp;
 	tvp = tond.ni_vp;
 	error = vn_start_write(fvp, &mp, V_NOWAIT);
 	if (error != 0) {
 again1:
 		NDFREE_PNBUF(&fromnd);
 		NDFREE_PNBUF(&tond);
 		if (tvp != NULL)
 			vput(tvp);
 		if (tdvp == tvp)
 			vrele(tdvp);
 		else
 			vput(tdvp);
 		vrele(fromnd.ni_dvp);
 		vrele(fvp);
 		if (tmp != NULL) {
 			lockmgr(&tmp->mnt_renamelock, LK_EXCLUSIVE, NULL);
 			lockmgr(&tmp->mnt_renamelock, LK_RELEASE, NULL);
 			vfs_rel(tmp);
 			tmp = NULL;
 		}
 		error = vn_start_write(NULL, &mp, V_XSLEEP | V_PCATCH);
 		if (error != 0)
 			return (error);
 		goto again;
 	}
 	error = VOP_GETWRITEMOUNT(tdvp, &tmp);
 	if (error != 0 || tmp == NULL)
 		goto again1;
 	error = lockmgr(&tmp->mnt_renamelock, LK_EXCLUSIVE | LK_NOWAIT, NULL);
 	if (error != 0) {
 		vn_finished_write(mp);
 		goto again1;
 	}
 	irflag = vn_irflag_read(fvp);
 	if (((irflag & VIRF_NAMEDATTR) != 0 && tdvp != fromnd.ni_dvp) ||
 	    (irflag & VIRF_NAMEDDIR) != 0) {
 		error = EINVAL;
 		goto out;
 	}
 	if (tvp != NULL) {
 		if (fvp->v_type == VDIR && tvp->v_type != VDIR) {
 			error = ENOTDIR;
 			goto out;
 		} else if (fvp->v_type != VDIR && tvp->v_type == VDIR) {
 			error = EISDIR;
 			goto out;
 		}
 #ifdef CAPABILITIES
 		if (newfd != AT_FDCWD && (tond.ni_resflags & NIRES_ABS) == 0) {
 			/*
 			 * If the target already exists we require CAP_UNLINKAT
 			 * from 'newfd', when newfd was used for the lookup.
 			 */
 			error = cap_check(&tond.ni_filecaps.fc_rights,
 			    &cap_unlinkat_rights);
 			if (error != 0)
 				goto out;
 		}
 #endif
 	}
 	if (fvp == tdvp) {
 		error = EINVAL;
 		goto out;
 	}
 	/*
 	 * If the source is the same as the destination (that is, if they
 	 * are links to the same vnode), then there is nothing to do.
 	 */
 	if (fvp == tvp)
 		error = ERESTART;
 #ifdef MAC
 	else
 		error = mac_vnode_check_rename_to(td->td_ucred, tdvp,
 		    tond.ni_vp, fromnd.ni_dvp == tdvp, &tond.ni_cnd);
 #endif
 out:
 	if (error == 0) {
 		error = VOP_RENAME(fromnd.ni_dvp, fromnd.ni_vp, &fromnd.ni_cnd,
 		    tond.ni_dvp, tond.ni_vp, &tond.ni_cnd);
 		NDFREE_PNBUF(&fromnd);
 		NDFREE_PNBUF(&tond);
 	} else {
 		NDFREE_PNBUF(&fromnd);
 		NDFREE_PNBUF(&tond);
 		if (tvp != NULL)
 			vput(tvp);
 		if (tdvp == tvp)
 			vrele(tdvp);
 		else
 			vput(tdvp);
 		vrele(fromnd.ni_dvp);
 		vrele(fvp);
 	}
 	lockmgr(&tmp->mnt_renamelock, LK_RELEASE, 0);
 	vfs_rel(tmp);
 	vn_finished_write(mp);
 out1:
 	if (error == ERESTART)
 		return (0);
 	if (error == ERELOOKUP)
 		goto again;
 	return (error);
 }
 
 /*
  * Make a directory file.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct mkdir_args {
 	char	*path;
 	int	mode;
 };
 #endif
 int
 sys_mkdir(struct thread *td, struct mkdir_args *uap)
 {
 
 	return (kern_mkdirat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
 	    uap->mode));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct mkdirat_args {
 	int	fd;
 	char	*path;
 	mode_t	mode;
 };
 #endif
 int
 sys_mkdirat(struct thread *td, struct mkdirat_args *uap)
 {
 
 	return (kern_mkdirat(td, uap->fd, uap->path, UIO_USERSPACE, uap->mode));
 }
 
 int
 kern_mkdirat(struct thread *td, int fd, const char *path, enum uio_seg segflg,
     int mode)
 {
 	struct mount *mp;
 	struct vattr vattr;
 	struct nameidata nd;
 	int error;
 
 	AUDIT_ARG_MODE(mode);
 	NDPREINIT(&nd);
 restart:
 	bwillwrite();
 	NDINIT_ATRIGHTS(&nd, CREATE, LOCKPARENT | AUDITVNODE1 |
 	    NC_NOMAKEENTRY | NC_KEEPPOSENTRY | FAILIFEXISTS | WILLBEDIR,
 	    segflg, path, fd, &cap_mkdirat_rights);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	if (vn_start_write(nd.ni_dvp, &mp, V_NOWAIT) != 0) {
 		NDFREE_PNBUF(&nd);
 		vput(nd.ni_dvp);
 		if ((error = vn_start_write(NULL, &mp, V_XSLEEP | V_PCATCH)) != 0)
 			return (error);
 		goto restart;
 	}
 	if ((vn_irflag_read(nd.ni_dvp) & VIRF_NAMEDDIR) != 0) {
 		error = EINVAL;
 		goto out;
 	}
 	VATTR_NULL(&vattr);
 	vattr.va_type = VDIR;
 	vattr.va_mode = (mode & ACCESSPERMS) &~ td->td_proc->p_pd->pd_cmask;
 #ifdef MAC
 	error = mac_vnode_check_create(td->td_ucred, nd.ni_dvp, &nd.ni_cnd,
 	    &vattr);
 	if (error != 0)
 		goto out;
 #endif
 	error = VOP_MKDIR(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr);
 out:
 	NDFREE_PNBUF(&nd);
 	VOP_VPUT_PAIR(nd.ni_dvp, error == 0 ? &nd.ni_vp : NULL, true);
 	vn_finished_write(mp);
 	if (error == ERELOOKUP)
 		goto restart;
 	return (error);
 }
 
 /*
  * Remove a directory file.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct rmdir_args {
 	char	*path;
 };
 #endif
 int
 sys_rmdir(struct thread *td, struct rmdir_args *uap)
 {
 
 	return (kern_frmdirat(td, AT_FDCWD, uap->path, FD_NONE, UIO_USERSPACE,
 	    0));
 }
 
 int
 kern_frmdirat(struct thread *td, int dfd, const char *path, int fd,
     enum uio_seg pathseg, int flag)
 {
 	struct mount *mp;
 	struct vnode *vp;
 	struct file *fp;
 	struct nameidata nd;
 	cap_rights_t rights;
 	int error;
 
 	fp = NULL;
 	if (fd != FD_NONE) {
 		error = getvnode(td, fd, cap_rights_init_one(&rights,
 		    CAP_LOOKUP), &fp);
 		if (error != 0)
 			return (error);
 	}
 
 	NDPREINIT(&nd);
 restart:
 	bwillwrite();
 	NDINIT_ATRIGHTS(&nd, DELETE, LOCKPARENT | LOCKLEAF | AUDITVNODE1 |
 	    at2cnpflags(flag, AT_RESOLVE_BENEATH),
 	    pathseg, path, dfd, &cap_unlinkat_rights);
 	if ((error = namei(&nd)) != 0)
 		goto fdout;
 	vp = nd.ni_vp;
 	if (vp->v_type != VDIR) {
 		error = ENOTDIR;
 		goto out;
 	}
 	/*
 	 * No rmdir "." please.
 	 */
 	if (nd.ni_dvp == vp) {
 		error = EINVAL;
 		goto out;
 	}
 	/*
 	 * The root of a mounted filesystem cannot be deleted.
 	 */
 	if (vp->v_vflag & VV_ROOT) {
 		error = EBUSY;
 		goto out;
 	}
 
 	if (fp != NULL && fp->f_vnode != vp) {
 		if (VN_IS_DOOMED(fp->f_vnode))
 			error = EBADF;
 		else
 			error = EDEADLK;
 		goto out;
 	}
 
 #ifdef MAC
 	error = mac_vnode_check_unlink(td->td_ucred, nd.ni_dvp, vp,
 	    &nd.ni_cnd);
 	if (error != 0)
 		goto out;
 #endif
 	if (vn_start_write(nd.ni_dvp, &mp, V_NOWAIT) != 0) {
 		NDFREE_PNBUF(&nd);
 		vput(vp);
 		if (nd.ni_dvp == vp)
 			vrele(nd.ni_dvp);
 		else
 			vput(nd.ni_dvp);
 		if ((error = vn_start_write(NULL, &mp, V_XSLEEP | V_PCATCH)) != 0)
 			goto fdout;
 		goto restart;
 	}
 	error = VOP_RMDIR(nd.ni_dvp, nd.ni_vp, &nd.ni_cnd);
 	vn_finished_write(mp);
 out:
 	NDFREE_PNBUF(&nd);
 	vput(vp);
 	if (nd.ni_dvp == vp)
 		vrele(nd.ni_dvp);
 	else
 		vput(nd.ni_dvp);
 	if (error == ERELOOKUP)
 		goto restart;
 fdout:
 	if (fp != NULL)
 		fdrop(fp, td);
 	return (error);
 }
 
 #if defined(COMPAT_43) || defined(COMPAT_FREEBSD11)
 int
 freebsd11_kern_getdirentries(struct thread *td, int fd, char *ubuf, u_int count,
     long *basep, void (*func)(struct freebsd11_dirent *))
 {
 	struct freebsd11_dirent dstdp;
 	struct dirent *dp, *edp;
 	char *dirbuf;
 	off_t base;
 	ssize_t resid, ucount;
 	int error;
 
 	/* XXX arbitrary sanity limit on `count'. */
 	count = min(count, 64 * 1024);
 
 	dirbuf = malloc(count, M_TEMP, M_WAITOK);
 
 	error = kern_getdirentries(td, fd, dirbuf, count, &base, &resid,
 	    UIO_SYSSPACE);
 	if (error != 0)
 		goto done;
 	if (basep != NULL)
 		*basep = base;
 
 	ucount = 0;
 	for (dp = (struct dirent *)dirbuf,
 	    edp = (struct dirent *)&dirbuf[count - resid];
 	    ucount < count && dp < edp; ) {
 		if (dp->d_reclen == 0)
 			break;
 		MPASS(dp->d_reclen >= _GENERIC_DIRLEN(0));
 		if (dp->d_namlen >= sizeof(dstdp.d_name))
 			continue;
 		dstdp.d_type = dp->d_type;
 		dstdp.d_namlen = dp->d_namlen;
 		dstdp.d_fileno = dp->d_fileno;		/* truncate */
 		if (dstdp.d_fileno != dp->d_fileno) {
 			switch (ino64_trunc_error) {
 			default:
 			case 0:
 				break;
 			case 1:
 				error = EOVERFLOW;
 				goto done;
 			case 2:
 				dstdp.d_fileno = UINT32_MAX;
 				break;
 			}
 		}
 		dstdp.d_reclen = sizeof(dstdp) - sizeof(dstdp.d_name) +
 		    ((dp->d_namlen + 1 + 3) &~ 3);
 		bcopy(dp->d_name, dstdp.d_name, dstdp.d_namlen);
 		bzero(dstdp.d_name + dstdp.d_namlen,
 		    dstdp.d_reclen - offsetof(struct freebsd11_dirent, d_name) -
 		    dstdp.d_namlen);
 		MPASS(dstdp.d_reclen <= dp->d_reclen);
 		MPASS(ucount + dstdp.d_reclen <= count);
 		if (func != NULL)
 			func(&dstdp);
 		error = copyout(&dstdp, ubuf + ucount, dstdp.d_reclen);
 		if (error != 0)
 			break;
 		dp = (struct dirent *)((char *)dp + dp->d_reclen);
 		ucount += dstdp.d_reclen;
 	}
 
 done:
 	free(dirbuf, M_TEMP);
 	if (error == 0)
 		td->td_retval[0] = ucount;
 	return (error);
 }
 #endif /* COMPAT */
 
 #ifdef COMPAT_43
 static void
 ogetdirentries_cvt(struct freebsd11_dirent *dp)
 {
 #if (BYTE_ORDER == LITTLE_ENDIAN)
 	/*
 	 * The expected low byte of dp->d_namlen is our dp->d_type.
 	 * The high MBZ byte of dp->d_namlen is our dp->d_namlen.
 	 */
 	dp->d_type = dp->d_namlen;
 	dp->d_namlen = 0;
 #else
 	/*
 	 * The dp->d_type is the high byte of the expected dp->d_namlen,
 	 * so must be zero'ed.
 	 */
 	dp->d_type = 0;
 #endif
 }
 
 /*
  * Read a block of directory entries in a filesystem independent format.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct ogetdirentries_args {
 	int	fd;
 	char	*buf;
 	u_int	count;
 	long	*basep;
 };
 #endif
 int
 ogetdirentries(struct thread *td, struct ogetdirentries_args *uap)
 {
 	long loff;
 	int error;
 
 	error = kern_ogetdirentries(td, uap, &loff);
 	if (error == 0)
 		error = copyout(&loff, uap->basep, sizeof(long));
 	return (error);
 }
 
 int
 kern_ogetdirentries(struct thread *td, struct ogetdirentries_args *uap,
     long *ploff)
 {
 	long base;
 	int error;
 
 	/* XXX arbitrary sanity limit on `count'. */
 	if (uap->count > 64 * 1024)
 		return (EINVAL);
 
 	error = freebsd11_kern_getdirentries(td, uap->fd, uap->buf, uap->count,
 	    &base, ogetdirentries_cvt);
 
 	if (error == 0 && uap->basep != NULL)
 		error = copyout(&base, uap->basep, sizeof(long));
 
 	return (error);
 }
 #endif /* COMPAT_43 */
 
 #if defined(COMPAT_FREEBSD11)
 #ifndef _SYS_SYSPROTO_H_
 struct freebsd11_getdirentries_args {
 	int	fd;
 	char	*buf;
 	u_int	count;
 	long	*basep;
 };
 #endif
 int
 freebsd11_getdirentries(struct thread *td,
     struct freebsd11_getdirentries_args *uap)
 {
 	long base;
 	int error;
 
 	error = freebsd11_kern_getdirentries(td, uap->fd, uap->buf, uap->count,
 	    &base, NULL);
 
 	if (error == 0 && uap->basep != NULL)
 		error = copyout(&base, uap->basep, sizeof(long));
 	return (error);
 }
 
 int
 freebsd11_getdents(struct thread *td, struct freebsd11_getdents_args *uap)
 {
 	struct freebsd11_getdirentries_args ap;
 
 	ap.fd = uap->fd;
 	ap.buf = uap->buf;
 	ap.count = uap->count;
 	ap.basep = NULL;
 	return (freebsd11_getdirentries(td, &ap));
 }
 #endif /* COMPAT_FREEBSD11 */
 
 /*
  * Read a block of directory entries in a filesystem independent format.
  */
 int
 sys_getdirentries(struct thread *td, struct getdirentries_args *uap)
 {
 	off_t base;
 	int error;
 
 	error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base,
 	    NULL, UIO_USERSPACE);
 	if (error != 0)
 		return (error);
 	if (uap->basep != NULL)
 		error = copyout(&base, uap->basep, sizeof(off_t));
 	return (error);
 }
 
 int
 kern_getdirentries(struct thread *td, int fd, char *buf, size_t count,
     off_t *basep, ssize_t *residp, enum uio_seg bufseg)
 {
 	struct vnode *vp;
 	struct file *fp;
 	struct uio auio;
 	struct iovec aiov;
 	off_t loff;
 	int error, eofflag;
 	off_t foffset;
 
 	AUDIT_ARG_FD(fd);
 	if (count > IOSIZE_MAX)
 		return (EINVAL);
 	auio.uio_resid = count;
 	error = getvnode(td, fd, &cap_read_rights, &fp);
 	if (error != 0)
 		return (error);
 	if ((fp->f_flag & FREAD) == 0) {
 		fdrop(fp, td);
 		return (EBADF);
 	}
 	vp = fp->f_vnode;
 	foffset = foffset_lock(fp, 0);
 unionread:
 	if (__predict_false((vp->v_vflag & VV_UNLINKED) != 0)) {
 		error = ENOENT;
 		goto fail;
 	}
 	aiov.iov_base = buf;
 	aiov.iov_len = count;
 	auio.uio_iov = &aiov;
 	auio.uio_iovcnt = 1;
 	auio.uio_rw = UIO_READ;
 	auio.uio_segflg = bufseg;
 	auio.uio_td = td;
 	vn_lock(vp, LK_SHARED | LK_RETRY);
 	/*
 	 * We want to return ENOTDIR for anything that is not VDIR, but
 	 * not for VBAD, and we can't check for VBAD while the vnode is
 	 * unlocked.
 	 */
 	if (vp->v_type != VDIR) {
 		if (vp->v_type == VBAD)
 			error = EBADF;
 		else
 			error = ENOTDIR;
 		VOP_UNLOCK(vp);
 		goto fail;
 	}
 	AUDIT_ARG_VNODE1(vp);
 	loff = auio.uio_offset = foffset;
 #ifdef MAC
 	error = mac_vnode_check_readdir(td->td_ucred, vp);
 	if (error == 0)
 #endif
 		error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, NULL,
 		    NULL);
 	foffset = auio.uio_offset;
 	if (error != 0) {
 		VOP_UNLOCK(vp);
 		goto fail;
 	}
 	if (count == auio.uio_resid &&
 	    (vp->v_vflag & VV_ROOT) &&
 	    (vp->v_mount->mnt_flag & MNT_UNION)) {
 		struct vnode *tvp = vp;
 
 		vp = vp->v_mount->mnt_vnodecovered;
-		VREF(vp);
+		vref(vp);
 		fp->f_vnode = vp;
 		foffset = 0;
 		vput(tvp);
 		goto unionread;
 	}
 	VOP_UNLOCK(vp);
 	*basep = loff;
 	if (residp != NULL)
 		*residp = auio.uio_resid;
 	td->td_retval[0] = count - auio.uio_resid;
 fail:
 	foffset_unlock(fp, foffset, 0);
 	fdrop(fp, td);
 	return (error);
 }
 
 /*
  * Set the mode mask for creation of filesystem nodes.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct umask_args {
 	int	newmask;
 };
 #endif
 int
 sys_umask(struct thread *td, struct umask_args *uap)
 {
 	struct pwddesc *pdp;
 
 	pdp = td->td_proc->p_pd;
 	PWDDESC_XLOCK(pdp);
 	td->td_retval[0] = pdp->pd_cmask;
 	pdp->pd_cmask = uap->newmask & ALLPERMS;
 	PWDDESC_XUNLOCK(pdp);
 	return (0);
 }
 
 /*
  * Void all references to file by ripping underlying filesystem away from
  * vnode.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct revoke_args {
 	char	*path;
 };
 #endif
 int
 sys_revoke(struct thread *td, struct revoke_args *uap)
 {
 	struct vnode *vp;
 	struct vattr vattr;
 	struct nameidata nd;
 	int error;
 
 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF | AUDITVNODE1, UIO_USERSPACE,
 	    uap->path);
 	if ((error = namei(&nd)) != 0)
 		return (error);
 	vp = nd.ni_vp;
 	NDFREE_PNBUF(&nd);
 	if (vp->v_type != VCHR || vp->v_rdev == NULL) {
 		error = EINVAL;
 		goto out;
 	}
 #ifdef MAC
 	error = mac_vnode_check_revoke(td->td_ucred, vp);
 	if (error != 0)
 		goto out;
 #endif
 	error = VOP_GETATTR(vp, &vattr, td->td_ucred);
 	if (error != 0)
 		goto out;
 	if (td->td_ucred->cr_uid != vattr.va_uid) {
 		error = priv_check(td, PRIV_VFS_ADMIN);
 		if (error != 0)
 			goto out;
 	}
 	if (devfs_usecount(vp) > 0)
 		VOP_REVOKE(vp, REVOKEALL);
 out:
 	vput(vp);
 	return (error);
 }
 
 /*
  * This variant of getvnode() allows O_PATH files.  Caller should
  * ensure that returned file and vnode are only used for compatible
  * semantics.
  */
 int
 getvnode_path(struct thread *td, int fd, const cap_rights_t *rightsp,
     uint8_t *flagsp, struct file **fpp)
 {
 	struct file *fp;
 	int error;
 
 	error = fget_unlocked_flags(td, fd, rightsp, flagsp, &fp);
 	if (error != 0)
 		return (error);
 
 	/*
 	 * The file could be not of the vnode type, or it may be not
 	 * yet fully initialized, in which case the f_vnode pointer
 	 * may be set, but f_ops is still badfileops.  E.g.,
 	 * devfs_open() transiently create such situation to
 	 * facilitate csw d_fdopen().
 	 *
 	 * Dupfdopen() handling in kern_openat() installs the
 	 * half-baked file into the process descriptor table, allowing
 	 * other thread to dereference it. Guard against the race by
 	 * checking f_ops.
 	 */
 	if (__predict_false(fp->f_vnode == NULL || fp->f_ops == &badfileops)) {
 		fdrop(fp, td);
 		*fpp = NULL;
 		return (EINVAL);
 	}
 
 	*fpp = fp;
 	return (0);
 }
 
 /*
  * Convert a user file descriptor to a kernel file entry and check
  * that, if it is a capability, the correct rights are present.
  * A reference on the file entry is held upon returning.
  */
 int
 getvnode(struct thread *td, int fd, const cap_rights_t *rightsp,
     struct file **fpp)
 {
 	int error;
 
 	error = getvnode_path(td, fd, rightsp, NULL, fpp);
 	if (__predict_false(error != 0))
 		return (error);
 
 	/*
 	 * Filter out O_PATH file descriptors, most getvnode() callers
 	 * do not call fo_ methods.
 	 */
 	if (__predict_false((*fpp)->f_ops == &path_fileops)) {
 		fdrop(*fpp, td);
 		*fpp = NULL;
 		error = EBADF;
 	}
 
 	return (error);
 }
 
 /*
  * Get an (NFS) file handle.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct lgetfh_args {
 	char *fname;
 	fhandle_t *fhp;
 };
 #endif
 int
 sys_lgetfh(struct thread *td, struct lgetfh_args *uap)
 {
 
 	return (kern_getfhat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->fname,
 	    UIO_USERSPACE, uap->fhp, UIO_USERSPACE));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct getfh_args {
 	char *fname;
 	fhandle_t *fhp;
 };
 #endif
 int
 sys_getfh(struct thread *td, struct getfh_args *uap)
 {
 
 	return (kern_getfhat(td, 0, AT_FDCWD, uap->fname, UIO_USERSPACE,
 	    uap->fhp, UIO_USERSPACE));
 }
 
 /*
  * syscall for the rpc.lockd to use to translate an open descriptor into
  * a NFS file handle.
  *
  * warning: do not remove the priv_check() call or this becomes one giant
  * security hole.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct getfhat_args {
 	int fd;
 	char *path;
 	fhandle_t *fhp;
 	int flags;
 };
 #endif
 int
 sys_getfhat(struct thread *td, struct getfhat_args *uap)
 {
 
 	return (kern_getfhat(td, uap->flags, uap->fd, uap->path, UIO_USERSPACE,
 	    uap->fhp, UIO_USERSPACE));
 }
 
 int
 kern_getfhat(struct thread *td, int flags, int fd, const char *path,
     enum uio_seg pathseg, fhandle_t *fhp, enum uio_seg fhseg)
 {
 	struct nameidata nd;
 	fhandle_t fh;
 	struct vnode *vp;
 	int error;
 
 	if ((flags & ~(AT_SYMLINK_NOFOLLOW | AT_RESOLVE_BENEATH)) != 0)
 		return (EINVAL);
 	error = priv_check(td, PRIV_VFS_GETFH);
 	if (error != 0)
 		return (error);
 	NDINIT_AT(&nd, LOOKUP, at2cnpflags(flags, AT_SYMLINK_NOFOLLOW |
 	    AT_RESOLVE_BENEATH) | LOCKLEAF | AUDITVNODE1, pathseg, path,
 	    fd);
 	error = namei(&nd);
 	if (error != 0)
 		return (error);
 	NDFREE_PNBUF(&nd);
 	vp = nd.ni_vp;
 	bzero(&fh, sizeof(fh));
 	fh.fh_fsid = vp->v_mount->mnt_stat.f_fsid;
 	error = VOP_VPTOFH(vp, &fh.fh_fid);
 	vput(vp);
 	if (error == 0) {
 		if (fhseg == UIO_USERSPACE)
 			error = copyout(&fh, fhp, sizeof (fh));
 		else
 			memcpy(fhp, &fh, sizeof(fh));
 	}
 	return (error);
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct fhlink_args {
 	fhandle_t *fhp;
 	const char *to;
 };
 #endif
 int
 sys_fhlink(struct thread *td, struct fhlink_args *uap)
 {
 
 	return (kern_fhlinkat(td, AT_FDCWD, uap->to, UIO_USERSPACE, uap->fhp));
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct fhlinkat_args {
 	fhandle_t *fhp;
 	int tofd;
 	const char *to;
 };
 #endif
 int
 sys_fhlinkat(struct thread *td, struct fhlinkat_args *uap)
 {
 
 	return (kern_fhlinkat(td, uap->tofd, uap->to, UIO_USERSPACE, uap->fhp));
 }
 
 static int
 kern_fhlinkat(struct thread *td, int fd, const char *path,
     enum uio_seg pathseg, fhandle_t *fhp)
 {
 	fhandle_t fh;
 	struct mount *mp;
 	struct vnode *vp;
 	int error;
 
 	error = priv_check(td, PRIV_VFS_GETFH);
 	if (error != 0)
 		return (error);
 	error = copyin(fhp, &fh, sizeof(fh));
 	if (error != 0)
 		return (error);
 	do {
 		bwillwrite();
 		if ((mp = vfs_busyfs(&fh.fh_fsid)) == NULL)
 			return (ESTALE);
 		error = VFS_FHTOVP(mp, &fh.fh_fid, LK_SHARED, &vp);
 		vfs_unbusy(mp);
 		if (error != 0)
 			return (error);
 		VOP_UNLOCK(vp);
 		error = kern_linkat_vp(td, vp, fd, path, pathseg);
 	} while (error == EAGAIN || error == ERELOOKUP);
 	return (error);
 }
 
 #ifndef _SYS_SYSPROTO_H_
 struct fhreadlink_args {
 	fhandle_t *fhp;
 	char *buf;
 	size_t bufsize;
 };
 #endif
 int
 sys_fhreadlink(struct thread *td, struct fhreadlink_args *uap)
 {
 	fhandle_t fh;
 	struct mount *mp;
 	struct vnode *vp;
 	int error;
 
 	error = priv_check(td, PRIV_VFS_GETFH);
 	if (error != 0)
 		return (error);
 	if (uap->bufsize > IOSIZE_MAX)
 		return (EINVAL);
 	error = copyin(uap->fhp, &fh, sizeof(fh));
 	if (error != 0)
 		return (error);
 	if ((mp = vfs_busyfs(&fh.fh_fsid)) == NULL)
 		return (ESTALE);
 	error = VFS_FHTOVP(mp, &fh.fh_fid, LK_SHARED, &vp);
 	vfs_unbusy(mp);
 	if (error != 0)
 		return (error);
 	error = kern_readlink_vp(vp, uap->buf, UIO_USERSPACE, uap->bufsize, td);
 	vput(vp);
 	return (error);
 }
 
 /*
  * syscall for the rpc.lockd to use to translate a NFS file handle into an
  * open descriptor.
  *
  * warning: do not remove the priv_check() call or this becomes one giant
  * security hole.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fhopen_args {
 	const struct fhandle *u_fhp;
 	int flags;
 };
 #endif
 int
 sys_fhopen(struct thread *td, struct fhopen_args *uap)
 {
 	return (kern_fhopen(td, uap->u_fhp, uap->flags));
 }
 
 int
 kern_fhopen(struct thread *td, const struct fhandle *u_fhp, int flags)
 {
 	struct mount *mp;
 	struct vnode *vp;
 	struct fhandle fhp;
 	struct file *fp;
 	int error, indx;
 	bool named_attr;
 
 	error = priv_check(td, PRIV_VFS_FHOPEN);
 	if (error != 0)
 		return (error);
 
 	indx = -1;
 	if ((flags & O_CREAT) != 0)
 		return (EINVAL);
 	error = openflags(&flags);
 	if (error != 0)
 		return (error);
 	error = copyin(u_fhp, &fhp, sizeof(fhp));
 	if (error != 0)
 		return (error);
 	/* find the mount point */
 	mp = vfs_busyfs(&fhp.fh_fsid);
 	if (mp == NULL)
 		return (ESTALE);
 	/* now give me my vnode, it gets returned to me locked */
 	error = VFS_FHTOVP(mp, &fhp.fh_fid, LK_EXCLUSIVE, &vp);
 	vfs_unbusy(mp);
 	if (error != 0)
 		return (error);
 
 	/*
 	 * Check to see if the file handle refers to a named attribute
 	 * directory or attribute.  If it does, the O_NAMEDATTR flag
 	 * must have been specified.
 	 */
 	named_attr = (vn_irflag_read(vp) &
 	    (VIRF_NAMEDDIR | VIRF_NAMEDATTR)) != 0;
 	if ((named_attr && (flags & O_NAMEDATTR) == 0) ||
 	    (!named_attr && (flags & O_NAMEDATTR) != 0)) {
 		vput(vp);
 		return (ENOATTR);
 	}
 
 	error = falloc_noinstall(td, &fp);
 	if (error != 0) {
 		vput(vp);
 		return (error);
 	}
 	/* Set the flags early so the finit in devfs can pick them up. */
 	fp->f_flag = flags & FMASK;
 
 #ifdef INVARIANTS
 	td->td_dupfd = -1;
 #endif
 	error = vn_open_vnode(vp, flags, td->td_ucred, td, fp);
 	if (error != 0) {
 		KASSERT(fp->f_ops == &badfileops,
 		    ("VOP_OPEN in fhopen() set f_ops"));
 		KASSERT(td->td_dupfd < 0,
 		    ("fhopen() encountered fdopen()"));
 
 		vput(vp);
 		goto bad;
 	}
 #ifdef INVARIANTS
 	td->td_dupfd = 0;
 #endif
 	finit_open(fp, vp, flags);
 	VOP_UNLOCK(vp);
 	if ((flags & O_TRUNC) != 0) {
 		error = fo_truncate(fp, 0, td->td_ucred, td);
 		if (error != 0)
 			goto bad;
 	}
 
 	error = finstall(td, fp, &indx, flags, NULL);
 bad:
 	fdrop(fp, td);
 	td->td_retval[0] = indx;
 	return (error);
 }
 
 /*
  * Stat an (NFS) file handle.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fhstat_args {
 	struct fhandle *u_fhp;
 	struct stat *sb;
 };
 #endif
 int
 sys_fhstat(struct thread *td, struct fhstat_args *uap)
 {
 	struct stat sb;
 	struct fhandle fh;
 	int error;
 
 	error = copyin(uap->u_fhp, &fh, sizeof(fh));
 	if (error != 0)
 		return (error);
 	error = kern_fhstat(td, fh, &sb);
 	if (error == 0)
 		error = copyout(&sb, uap->sb, sizeof(sb));
 	return (error);
 }
 
 int
 kern_fhstat(struct thread *td, struct fhandle fh, struct stat *sb)
 {
 	struct mount *mp;
 	struct vnode *vp;
 	int error;
 
 	error = priv_check(td, PRIV_VFS_FHSTAT);
 	if (error != 0)
 		return (error);
 	if ((mp = vfs_busyfs(&fh.fh_fsid)) == NULL)
 		return (ESTALE);
 	error = VFS_FHTOVP(mp, &fh.fh_fid, LK_EXCLUSIVE, &vp);
 	vfs_unbusy(mp);
 	if (error != 0)
 		return (error);
 	error = VOP_STAT(vp, sb, td->td_ucred, NOCRED);
 	vput(vp);
 	return (error);
 }
 
 /*
  * Implement fstatfs() for (NFS) file handles.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct fhstatfs_args {
 	struct fhandle *u_fhp;
 	struct statfs *buf;
 };
 #endif
 int
 sys_fhstatfs(struct thread *td, struct fhstatfs_args *uap)
 {
 	struct statfs *sfp;
 	fhandle_t fh;
 	int error;
 
 	error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
 	if (error != 0)
 		return (error);
 	sfp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
 	error = kern_fhstatfs(td, fh, sfp);
 	if (error == 0)
 		error = copyout(sfp, uap->buf, sizeof(*sfp));
 	free(sfp, M_STATFS);
 	return (error);
 }
 
 int
 kern_fhstatfs(struct thread *td, fhandle_t fh, struct statfs *buf)
 {
 	struct mount *mp;
 	struct vnode *vp;
 	int error;
 
 	error = priv_check(td, PRIV_VFS_FHSTATFS);
 	if (error != 0)
 		return (error);
 	if ((mp = vfs_busyfs(&fh.fh_fsid)) == NULL)
 		return (ESTALE);
 	error = VFS_FHTOVP(mp, &fh.fh_fid, LK_EXCLUSIVE, &vp);
 	if (error != 0) {
 		vfs_unbusy(mp);
 		return (error);
 	}
 	vput(vp);
 	error = prison_canseemount(td->td_ucred, mp);
 	if (error != 0)
 		goto out;
 #ifdef MAC
 	error = mac_mount_check_stat(td->td_ucred, mp);
 	if (error != 0)
 		goto out;
 #endif
 	error = VFS_STATFS(mp, buf);
 out:
 	vfs_unbusy(mp);
 	return (error);
 }
 
 /*
  * Unlike madvise(2), we do not make a best effort to remember every
  * possible caching hint.  Instead, we remember the last setting with
  * the exception that we will allow POSIX_FADV_NORMAL to adjust the
  * region of any current setting.
  */
 int
 kern_posix_fadvise(struct thread *td, int fd, off_t offset, off_t len,
     int advice)
 {
 	struct fadvise_info *fa, *new;
 	struct file *fp;
 	struct vnode *vp;
 	off_t end;
 	int error;
 
 	if (offset < 0 || len < 0 || offset > OFF_MAX - len)
 		return (EINVAL);
 	AUDIT_ARG_VALUE(advice);
 	switch (advice) {
 	case POSIX_FADV_SEQUENTIAL:
 	case POSIX_FADV_RANDOM:
 	case POSIX_FADV_NOREUSE:
 		new = malloc(sizeof(*fa), M_FADVISE, M_WAITOK);
 		break;
 	case POSIX_FADV_NORMAL:
 	case POSIX_FADV_WILLNEED:
 	case POSIX_FADV_DONTNEED:
 		new = NULL;
 		break;
 	default:
 		return (EINVAL);
 	}
 	/* XXX: CAP_POSIX_FADVISE? */
 	AUDIT_ARG_FD(fd);
 	error = fget(td, fd, &cap_no_rights, &fp);
 	if (error != 0)
 		goto out;
 	AUDIT_ARG_FILE(td->td_proc, fp);
 	if ((fp->f_ops->fo_flags & DFLAG_SEEKABLE) == 0) {
 		error = ESPIPE;
 		goto out;
 	}
 	if (fp->f_type != DTYPE_VNODE) {
 		error = ENODEV;
 		goto out;
 	}
 	vp = fp->f_vnode;
 	if (vp->v_type != VREG) {
 		error = ENODEV;
 		goto out;
 	}
 	if (len == 0)
 		end = OFF_MAX;
 	else
 		end = offset + len - 1;
 	switch (advice) {
 	case POSIX_FADV_SEQUENTIAL:
 	case POSIX_FADV_RANDOM:
 	case POSIX_FADV_NOREUSE:
 		/*
 		 * Try to merge any existing non-standard region with
 		 * this new region if possible, otherwise create a new
 		 * non-standard region for this request.
 		 */
 		mtx_pool_lock(mtxpool_sleep, fp);
 		fa = fp->f_advice;
 		if (fa != NULL && fa->fa_advice == advice &&
 		    ((fa->fa_start <= end && fa->fa_end >= offset) ||
 		    (end != OFF_MAX && fa->fa_start == end + 1) ||
 		    (fa->fa_end != OFF_MAX && fa->fa_end + 1 == offset))) {
 			if (offset < fa->fa_start)
 				fa->fa_start = offset;
 			if (end > fa->fa_end)
 				fa->fa_end = end;
 		} else {
 			new->fa_advice = advice;
 			new->fa_start = offset;
 			new->fa_end = end;
 			fp->f_advice = new;
 			new = fa;
 		}
 		mtx_pool_unlock(mtxpool_sleep, fp);
 		break;
 	case POSIX_FADV_NORMAL:
 		/*
 		 * If a the "normal" region overlaps with an existing
 		 * non-standard region, trim or remove the
 		 * non-standard region.
 		 */
 		mtx_pool_lock(mtxpool_sleep, fp);
 		fa = fp->f_advice;
 		if (fa != NULL) {
 			if (offset <= fa->fa_start && end >= fa->fa_end) {
 				new = fa;
 				fp->f_advice = NULL;
 			} else if (offset <= fa->fa_start &&
 			    end >= fa->fa_start)
 				fa->fa_start = end + 1;
 			else if (offset <= fa->fa_end && end >= fa->fa_end)
 				fa->fa_end = offset - 1;
 			else if (offset >= fa->fa_start && end <= fa->fa_end) {
 				/*
 				 * If the "normal" region is a middle
 				 * portion of the existing
 				 * non-standard region, just remove
 				 * the whole thing rather than picking
 				 * one side or the other to
 				 * preserve.
 				 */
 				new = fa;
 				fp->f_advice = NULL;
 			}
 		}
 		mtx_pool_unlock(mtxpool_sleep, fp);
 		break;
 	case POSIX_FADV_WILLNEED:
 	case POSIX_FADV_DONTNEED:
 		error = VOP_ADVISE(vp, offset, end, advice);
 		break;
 	}
 out:
 	if (fp != NULL)
 		fdrop(fp, td);
 	free(new, M_FADVISE);
 	return (error);
 }
 
 int
 sys_posix_fadvise(struct thread *td, struct posix_fadvise_args *uap)
 {
 	int error;
 
 	error = kern_posix_fadvise(td, uap->fd, uap->offset, uap->len,
 	    uap->advice);
 	return (kern_posix_error(td, error));
 }
 
 int
 kern_copy_file_range(struct thread *td, int infd, off_t *inoffp, int outfd,
     off_t *outoffp, size_t len, unsigned int flags)
 {
 	struct file *infp, *infp1, *outfp, *outfp1;
 	struct vnode *invp, *outvp;
 	int error;
 	size_t retlen;
 	void *rl_rcookie, *rl_wcookie;
 	off_t inoff, outoff, savinoff, savoutoff;
 	bool foffsets_locked, foffsets_set;
 
 	infp = outfp = NULL;
 	rl_rcookie = rl_wcookie = NULL;
 	foffsets_locked = false;
 	foffsets_set = false;
 	error = 0;
 	retlen = 0;
 
 	if ((flags & ~COPY_FILE_RANGE_USERFLAGS) != 0) {
 		error = EINVAL;
 		goto out;
 	}
 	if (len > SSIZE_MAX)
 		/*
 		 * Although the len argument is size_t, the return argument
 		 * is ssize_t (which is signed).  Therefore a size that won't
 		 * fit in ssize_t can't be returned.
 		 */
 		len = SSIZE_MAX;
 
 	/* Get the file structures for the file descriptors. */
 	error = fget_read(td, infd,
 	    inoffp != NULL ? &cap_pread_rights : &cap_read_rights, &infp);
 	if (error != 0)
 		goto out;
 	if (infp->f_ops == &badfileops) {
 		error = EBADF;
 		goto out;
 	}
 	if (infp->f_vnode == NULL) {
 		error = EINVAL;
 		goto out;
 	}
 	error = fget_write(td, outfd,
 	    outoffp != NULL ? &cap_pwrite_rights : &cap_write_rights, &outfp);
 	if (error != 0)
 		goto out;
 	if (outfp->f_ops == &badfileops) {
 		error = EBADF;
 		goto out;
 	}
 	if (outfp->f_vnode == NULL) {
 		error = EINVAL;
 		goto out;
 	}
 
 	/*
 	 * Figure out which file offsets we're reading from and writing to.
 	 * If the offsets come from the file descriptions, we need to lock them,
 	 * and locking both offsets requires a loop to avoid deadlocks.
 	 */
 	infp1 = outfp1 = NULL;
 	if (inoffp != NULL)
 		inoff = *inoffp;
 	else
 		infp1 = infp;
 	if (outoffp != NULL)
 		outoff = *outoffp;
 	else
 		outfp1 = outfp;
 	if (infp1 != NULL || outfp1 != NULL) {
 		if (infp1 == outfp1) {
 			/*
 			 * Overlapping ranges are not allowed.  A more thorough
 			 * check appears below, but we must not lock the same
 			 * offset twice.
 			 */
 			error = EINVAL;
 			goto out;
 		}
 		foffset_lock_pair(infp1, &inoff, outfp1, &outoff, 0);
 		foffsets_locked = true;
 	} else {
 		foffsets_set = true;
 	}
 	savinoff = inoff;
 	savoutoff = outoff;
 
 	invp = infp->f_vnode;
 	outvp = outfp->f_vnode;
 	/* Sanity check the f_flag bits. */
 	if ((outfp->f_flag & (FWRITE | FAPPEND)) != FWRITE ||
 	    (infp->f_flag & FREAD) == 0) {
 		error = EBADF;
 		goto out;
 	}
 
 	/* If len == 0, just return 0. */
 	if (len == 0)
 		goto out;
 
 	/*
 	 * Make sure that the ranges we check and lock below are valid.  Note
 	 * that len is clamped to SSIZE_MAX above.
 	 */
 	if (inoff < 0 || outoff < 0) {
 		error = EINVAL;
 		goto out;
 	}
 
 	/*
 	 * If infp and outfp refer to the same file, the byte ranges cannot
 	 * overlap.
 	 */
 	if (invp == outvp) {
 		if ((inoff <= outoff && inoff + len > outoff) ||
 		    (inoff > outoff && outoff + len > inoff)) {
 			error = EINVAL;
 			goto out;
 		}
 		rangelock_may_recurse(&invp->v_rl);
 	}
 
 	/* Range lock the byte ranges for both invp and outvp. */
 	for (;;) {
 		rl_wcookie = vn_rangelock_wlock(outvp, outoff, outoff + len);
 		rl_rcookie = vn_rangelock_tryrlock(invp, inoff, inoff + len);
 		if (rl_rcookie != NULL)
 			break;
 		vn_rangelock_unlock(outvp, rl_wcookie);
 		rl_rcookie = vn_rangelock_rlock(invp, inoff, inoff + len);
 		vn_rangelock_unlock(invp, rl_rcookie);
 	}
 
 	retlen = len;
 	error = vn_copy_file_range(invp, &inoff, outvp, &outoff, &retlen,
 	    flags, infp->f_cred, outfp->f_cred, td);
 out:
 	if (rl_rcookie != NULL)
 		vn_rangelock_unlock(invp, rl_rcookie);
 	if (rl_wcookie != NULL)
 		vn_rangelock_unlock(outvp, rl_wcookie);
 	if ((foffsets_locked || foffsets_set) &&
 	    (error == EINTR || error == ERESTART)) {
 		inoff = savinoff;
 		outoff = savoutoff;
 	}
 	if (foffsets_locked) {
 		if (inoffp == NULL)
 			foffset_unlock(infp, inoff, 0);
 		else
 			*inoffp = inoff;
 		if (outoffp == NULL)
 			foffset_unlock(outfp, outoff, 0);
 		else
 			*outoffp = outoff;
 	} else if (foffsets_set) {
 		*inoffp = inoff;
 		*outoffp = outoff;
 	}
 	if (outfp != NULL)
 		fdrop(outfp, td);
 	if (infp != NULL)
 		fdrop(infp, td);
 	td->td_retval[0] = retlen;
 	return (error);
 }
 
 int
 sys_copy_file_range(struct thread *td, struct copy_file_range_args *uap)
 {
 	off_t inoff, outoff, *inoffp, *outoffp;
 	int error;
 
 	inoffp = outoffp = NULL;
 	if (uap->inoffp != NULL) {
 		error = copyin(uap->inoffp, &inoff, sizeof(off_t));
 		if (error != 0)
 			return (error);
 		inoffp = &inoff;
 	}
 	if (uap->outoffp != NULL) {
 		error = copyin(uap->outoffp, &outoff, sizeof(off_t));
 		if (error != 0)
 			return (error);
 		outoffp = &outoff;
 	}
 	error = kern_copy_file_range(td, uap->infd, inoffp, uap->outfd,
 	    outoffp, uap->len, uap->flags);
 	if (error == 0 && uap->inoffp != NULL)
 		error = copyout(inoffp, uap->inoffp, sizeof(off_t));
 	if (error == 0 && uap->outoffp != NULL)
 		error = copyout(outoffp, uap->outoffp, sizeof(off_t));
 	return (error);
 }
diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
index 85d263dedfb0..6d50583dc1b3 100644
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -1,1256 +1,1254 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #ifndef _SYS_VNODE_H_
 #define	_SYS_VNODE_H_
 
 #include <sys/bufobj.h>
 #include <sys/queue.h>
 #include <sys/lock.h>
 #include <sys/lockmgr.h>
 #include <sys/mutex.h>
 #include <sys/rangelock.h>
 #include <sys/selinfo.h>
 #include <sys/uio.h>
 #include <sys/acl.h>
 #include <sys/ktr.h>
 #include <sys/_seqc.h>
 
 /*
  * The vnode is the focus of all file activity in UNIX.  There is a
  * unique vnode allocated for each active file, each current directory,
  * each mounted-on file, text file, and the root.
  */
 
 /*
  * Vnode types.  VNON means no type.
  */
 __enum_uint8_decl(vtype) {
 	VNON,
 	VREG,
 	VDIR,
 	VBLK,
 	VCHR,
 	VLNK,
 	VSOCK,
 	VFIFO,
 	VBAD,
 	VMARKER,
 	VLASTTYPE = VMARKER,
 };
 
 /*
  * We frequently need to test is something is a device node.
  */
 #define VTYPE_ISDEV(vtype)	((vtype) == VCHR || (vtype) == VBLK)
 
 __enum_uint8_decl(vstate) {
 	VSTATE_UNINITIALIZED,
 	VSTATE_CONSTRUCTED,
 	VSTATE_DESTROYING,
 	VSTATE_DEAD,
 	VLASTSTATE = VSTATE_DEAD,
 };
 
 enum vgetstate {
 	VGET_NONE,
 	VGET_HOLDCNT,
 	VGET_USECOUNT,
 };
 
 /*
  * Each underlying filesystem allocates its own private area and hangs
  * it from v_data.  If non-null, this area is freed in getnewvnode().
  */
 
 struct cache_fpl;
 struct inotify_watch;
 struct namecache;
 
 struct vpollinfo {
 	struct	mtx vpi_lock;		/* lock to protect below */
 	TAILQ_HEAD(, inotify_watch) vpi_inotify; /* list of inotify watchers */
 	struct	selinfo vpi_selinfo;	/* identity of poller(s) */
 	short	vpi_events;		/* what they are looking for */
 	short	vpi_revents;		/* what has happened */
 };
 
 /*
  * Reading or writing any of these items requires holding the appropriate lock.
  *
  * Lock reference:
  *	c - namecache mutex
  *	i - interlock
  *	l - mp mnt_listmtx or freelist mutex
  *	I - updated with atomics, 0->1 and 1->0 transitions with interlock held
  *	m - mount point interlock
  *	p - pollinfo lock
  *	u - Only a reference to the vnode is needed to read.
  *	v - vnode lock
  *
  * Vnodes may be found on many lists.  The general way to deal with operating
  * on a vnode that is on a list is:
  *	1) Lock the list and find the vnode.
  *	2) Lock interlock so that the vnode does not go away.
  *	3) Unlock the list to avoid lock order reversals.
  *	4) vget with LK_INTERLOCK and check for ENOENT, or
  *	5) Check for DOOMED if the vnode lock is not required.
  *	6) Perform your operation, then vput().
  */
 
 #if defined(_KERNEL) || defined(_KVM_VNODE)
 
 struct vnode {
 	/*
 	 * Fields which define the identity of the vnode.  These fields are
 	 * owned by the filesystem (XXX: and vgone() ?)
 	 */
 	__enum_uint8(vtype) v_type;		/* u vnode type */
 	__enum_uint8(vstate) v_state;		/* u vnode state */
 	short	v_irflag;			/* i frequently read flags */
 	seqc_t	v_seqc;				/* i modification count */
 	uint32_t v_nchash;			/* u namecache hash */
 	u_int	v_hash;
 	const struct vop_vector *v_op;		/* u vnode operations vector */
 	void	*v_data;			/* u private data for fs */
 
 	/*
 	 * Filesystem instance stuff
 	 */
 	struct	mount *v_mount;			/* u ptr to vfs we are in */
 	TAILQ_ENTRY(vnode) v_nmntvnodes;	/* m vnodes for mount point */
 
 	/*
 	 * Type specific fields, only one applies to any given vnode.
 	 */
 	union {
 		struct mount	*v_mountedhere;	/* v ptr to mountpoint (VDIR) */
 		struct unpcb	*v_unpcb;	/* v unix domain net (VSOCK) */
 		struct cdev	*v_rdev; 	/* v device (VCHR, VBLK) */
 		struct fifoinfo	*v_fifoinfo;	/* v fifo (VFIFO) */
 	};
 
 	/*
 	 * vfs_hash: (mount + inode) -> vnode hash.  The hash value
 	 * itself is grouped with other int fields, to avoid padding.
 	 */
 	LIST_ENTRY(vnode)	v_hashlist;
 
 	/*
 	 * VFS_namecache stuff
 	 */
 	LIST_HEAD(, namecache) v_cache_src;	/* c Cache entries from us */
 	TAILQ_HEAD(, namecache) v_cache_dst;	/* c Cache entries to us */
 	struct namecache *v_cache_dd;		/* c Cache entry for .. vnode */
 
 	/*
 	 * Locking
 	 */
 	struct	lock v_lock;			/* u (if fs don't have one) */
 	struct	mtx v_interlock;		/* lock for "i" things */
 	struct	lock *v_vnlock;			/* u pointer to vnode lock */
 
 	/*
 	 * The machinery of being a vnode
 	 */
 	TAILQ_ENTRY(vnode) v_vnodelist;		/* l vnode lists */
 	TAILQ_ENTRY(vnode) v_lazylist;		/* l vnode lazy list */
 	struct bufobj	v_bufobj;		/* * Buffer cache object */
 
 	/*
 	 * Hooks for various subsystems and features.
 	 */
 	struct vpollinfo *v_pollinfo;		/* i Poll events, p for *v_pi */
 	struct label *v_label;			/* MAC label for vnode */
 	struct lockf *v_lockf;		/* Byte-level advisory lock list */
 	struct rangelock v_rl;			/* Byte-range lock */
 
 	u_int	v_holdcnt;			/* I prevents recycling. */
 	u_int	v_usecount;			/* I ref count of users */
 	u_short	v_iflag;			/* i vnode flags (see below) */
 	u_short	v_vflag;			/* v vnode flags */
 	u_short	v_mflag;			/* l mnt-specific vnode flags */
 	short	v_dbatchcpu;			/* i LRU requeue deferral batch */
 	int	v_writecount;			/* I ref count of writers or
 						   (negative) text users */
 	int	v_seqc_users;			/* i modifications pending */
 };
 
 #define VN_ISDEV(vp)		VTYPE_ISDEV((vp)->v_type)
 
 #ifndef DEBUG_LOCKS
 #ifdef _LP64
 /*
  * Not crossing 448 bytes fits 9 vnodes per page. If you have to add fields
  * to the structure and there is nothing which can be done to prevent growth
  * then so be it. But don't grow it without a good reason.
  */
 _Static_assert(sizeof(struct vnode) <= 448, "vnode size crosses 448 bytes");
 #endif
 #endif
 
 #endif /* defined(_KERNEL) || defined(_KVM_VNODE) */
 
 #define	bo2vnode(bo)	__containerof((bo), struct vnode, v_bufobj)
 
 /* XXX: These are temporary to avoid a source sweep at this time */
 #define v_object	v_bufobj.bo_object
 
 /* We don't need to lock the knlist */
 #define	VN_KNLIST_EMPTY(vp) ((vp)->v_pollinfo == NULL ||	\
 	    KNLIST_EMPTY(&(vp)->v_pollinfo->vpi_selinfo.si_note))
 
 #define VN_KNOTE(vp, b, a)					\
 	do {							\
 		if (!VN_KNLIST_EMPTY(vp))			\
 			KNOTE(&vp->v_pollinfo->vpi_selinfo.si_note, (b), \
 			    (a) | KNF_NOKQLOCK);		\
 	} while (0)
 #define	VN_KNOTE_LOCKED(vp, b)		VN_KNOTE(vp, b, KNF_LISTLOCKED)
 #define	VN_KNOTE_UNLOCKED(vp, b)	VN_KNOTE(vp, b, 0)
 
 /*
  * Vnode flags.
  *	VI flags are protected by interlock and live in v_iflag
  *	VIRF flags are protected by interlock and live in v_irflag
  *	VV flags are protected by the vnode lock and live in v_vflag
  *
  *	VIRF_DOOMED is doubly protected by the interlock and vnode lock.  Both
  *	are required for writing but the status may be checked with either.
  */
 #define	VHOLD_NO_SMR	(1<<29)	/* Disable vhold_smr */
 #define VHOLD_ALL_FLAGS (VHOLD_NO_SMR)
 
 #define	VIRF_DOOMED	0x0001	/* This vnode is being recycled */
 #define	VIRF_PGREAD	0x0002	/* Direct reads from the page cache are permitted,
 				   never cleared once set */
 #define	VIRF_MOUNTPOINT	0x0004	/* This vnode is mounted on */
 #define	VIRF_TEXT_REF	0x0008	/* Executable mappings ref the vnode */
 #define	VIRF_CROSSMP	0x0010	/* Cross-mp vnode, no locking */
 #define	VIRF_NAMEDDIR	0x0020	/* Named attribute directory */
 #define	VIRF_NAMEDATTR	0x0040	/* Named attribute */
 #define	VIRF_INOTIFY	0x0080	/* This vnode is being watched */
 #define	VIRF_INOTIFY_PARENT 0x0100 /* A parent of this vnode may be being
 				      watched */
 
 #define	VI_UNUSED0	0x0001	/* unused */
 #define	VI_MOUNT	0x0002	/* Mount in progress */
 #define	VI_DOINGINACT	0x0004	/* VOP_INACTIVE is in progress */
 #define	VI_OWEINACT	0x0008	/* Need to call inactive */
 #define	VI_DEFINACT	0x0010	/* deferred inactive */
 #define	VI_FOPENING	0x0020	/* In open, with opening process having the
 				   first right to advlock file */
 
 #define	VV_ROOT		0x0001	/* root of its filesystem */
 #define	VV_ISTTY	0x0002	/* vnode represents a tty */
 #define	VV_NOSYNC	0x0004	/* unlinked, stop syncing */
 #define	VV_ETERNALDEV	0x0008	/* device that is never destroyed */
 #define	VV_CACHEDLABEL	0x0010	/* Vnode has valid cached MAC label */
 #define	VV_VMSIZEVNLOCK	0x0020	/* object size check requires vnode lock */
 #define	VV_COPYONWRITE	0x0040	/* vnode is doing copy-on-write */
 #define	VV_SYSTEM	0x0080	/* vnode being used by kernel */
 #define	VV_PROCDEP	0x0100	/* vnode is process dependent */
 #define	VV_UNLINKED	0x0200	/* unlinked but stil open directory */
 #define	VV_DELETED	0x0400	/* should be removed */
 #define	VV_MD		0x0800	/* vnode backs the md device */
 #define	VV_FORCEINSMQ	0x1000	/* force the insmntque to succeed */
 #define	VV_READLINK	0x2000	/* fdescfs linux vnode */
 #define	VV_UNREF	0x4000	/* vunref, do not drop lock in inactive() */
 #define	VV_CROSSLOCK	0x8000	/* vnode lock is shared w/ root mounted here */
 
 #define	VMP_LAZYLIST	0x0001	/* Vnode is on mnt's lazy list */
 
 /*
  * Vnode attributes.  A field value of VNOVAL represents a field whose value
  * is unavailable (getattr) or which is not to be changed (setattr).
  */
 struct vattr {
 	__enum_uint8(vtype)	va_type;	/* vnode type (for create) */
 	u_short		va_mode;	/* files access mode and type */
 	uint16_t	va_bsdflags;	/* same as st_bsdflags from stat(2) */
 	uid_t		va_uid;		/* owner user id */
 	gid_t		va_gid;		/* owner group id */
 	nlink_t		va_nlink;	/* number of references to file */
 	dev_t		va_fsid;	/* filesystem id */
 	ino_t		va_fileid;	/* file id */
 	u_quad_t	va_size;	/* file size in bytes */
 	long		va_blocksize;	/* blocksize preferred for i/o */
 	struct timespec	va_atime;	/* time of last access */
 	struct timespec	va_mtime;	/* time of last modification */
 	struct timespec	va_ctime;	/* time file changed */
 	struct timespec	va_birthtime;	/* time file created */
 	u_long		va_gen;		/* generation number of file */
 	u_long		va_flags;	/* flags defined for file */
 	dev_t		va_rdev;	/* device the special file represents */
 	u_quad_t	va_bytes;	/* bytes of disk space held by file */
 	u_quad_t	va_filerev;	/* file modification number */
 	u_int		va_vaflags;	/* operations flags, see below */
 	long		va_spare;	/* remain quad aligned */
 };
 
 #define VATTR_ISDEV(vap)	VTYPE_ISDEV((vap)->va_type)
 
 /*
  * Flags for va_vaflags.
  */
 #define	VA_UTIMES_NULL	0x01		/* utimes argument was NULL */
 #define	VA_EXCLUSIVE	0x02		/* exclusive create request */
 #define	VA_SYNC		0x04		/* O_SYNC truncation */
 
 /*
  * Flags for ioflag. (high 16 bits used to ask for read-ahead and
  * help with write clustering)
  * NB: IO_NDELAY and IO_DIRECT are linked to fcntl.h
  */
 #define	IO_UNIT		0x0001		/* do I/O as atomic unit */
 #define	IO_APPEND	0x0002		/* append write to end */
 #define	IO_NDELAY	0x0004		/* FNDELAY flag set in file table */
 #define	IO_NODELOCKED	0x0008		/* underlying node already locked */
 #define	IO_ASYNC	0x0010		/* bawrite rather then bdwrite */
 #define	IO_VMIO		0x0020		/* data already in VMIO space */
 #define	IO_INVAL	0x0040		/* invalidate after I/O */
 #define	IO_SYNC		0x0080		/* do I/O synchronously */
 #define	IO_DIRECT	0x0100		/* attempt to bypass buffer cache */
 #define	IO_NOREUSE	0x0200		/* VMIO data won't be reused */
 #define	IO_EXT		0x0400		/* operate on external attributes */
 #define	IO_NORMAL	0x0800		/* operate on regular data */
 #define	IO_NOMACCHECK	0x1000		/* MAC checks unnecessary */
 #define	IO_BUFLOCKED	0x2000		/* ffs flag; indir buf is locked */
 #define	IO_RANGELOCKED	0x4000		/* range locked */
 #define	IO_DATASYNC	0x8000		/* do only data I/O synchronously */
 
 #define IO_SEQMAX	0x7F		/* seq heuristic max value */
 #define IO_SEQSHIFT	16		/* seq heuristic in upper 16 bits */
 
 /*
  * Flags for accmode_t.
  */
 #define	VEXEC			000000000100 /* execute/search permission */
 #define	VWRITE			000000000200 /* write permission */
 #define	VREAD			000000000400 /* read permission */
 #define	VADMIN			000000010000 /* being the file owner */
 #define	VAPPEND			000000040000 /* permission to write/append */
 /*
  * VEXPLICIT_DENY makes VOP_ACCESSX(9) return EPERM or EACCES only
  * if permission was denied explicitly, by a "deny" rule in NFSv4 ACL,
  * and 0 otherwise.  This never happens with ordinary unix access rights
  * or POSIX.1e ACLs.  Obviously, VEXPLICIT_DENY must be OR-ed with
  * some other V* constant.
  */
 #define	VEXPLICIT_DENY		000000100000
 #define	VREAD_NAMED_ATTRS 	000000200000 /* not used */
 #define	VWRITE_NAMED_ATTRS 	000000400000 /* not used */
 #define	VDELETE_CHILD	 	000001000000
 #define	VREAD_ATTRIBUTES 	000002000000 /* permission to stat(2) */
 #define	VWRITE_ATTRIBUTES 	000004000000 /* change {m,c,a}time */
 #define	VDELETE		 	000010000000
 #define	VREAD_ACL	 	000020000000 /* read ACL and file mode */
 #define	VWRITE_ACL	 	000040000000 /* change ACL and/or file mode */
 #define	VWRITE_OWNER	 	000100000000 /* change file owner */
 #define	VSYNCHRONIZE	 	000200000000 /* not used */
 #define	VCREAT			000400000000 /* creating new file */
 #define	VVERIFY			001000000000 /* verification required */
 
 /*
  * Permissions that were traditionally granted only to the file owner.
  */
 #define VADMIN_PERMS	(VADMIN | VWRITE_ATTRIBUTES | VWRITE_ACL | \
     VWRITE_OWNER)
 
 /*
  * Permissions that were traditionally granted to everyone.
  */
 #define VSTAT_PERMS	(VREAD_ATTRIBUTES | VREAD_ACL)
 
 /*
  * Permissions that allow to change the state of the file in any way.
  */
 #define VMODIFY_PERMS	(VWRITE | VAPPEND | VADMIN_PERMS | VDELETE_CHILD | \
     VDELETE)
 
 /*
  * Token indicating no attribute value yet assigned.
  */
 #define	VNOVAL	(-1)
 
 /*
  * LK_TIMELOCK timeout for vnode locks (used mainly by the pageout daemon)
  */
 #define VLKTIMEOUT	(hz / 20 + 1)
 
 #ifdef _KERNEL
 
 #ifdef MALLOC_DECLARE
 MALLOC_DECLARE(M_VNODE);
 #endif
 
 extern u_int ncsizefactor;
 extern const u_int io_hold_cnt;
 
 /*
  * Convert between vnode types and inode formats (since POSIX.1
  * defines mode word of stat structure in terms of inode formats).
  */
 extern __enum_uint8(vtype)	iftovt_tab[];
 extern int		vttoif_tab[];
 #define	IFTOVT(mode)	(iftovt_tab[((mode) & S_IFMT) >> 12])
 #define	VTTOIF(indx)	(vttoif_tab[(int)(indx)])
 #define	MAKEIMODE(indx, mode)	(int)(VTTOIF(indx) | (mode))
 
 /*
  * Flags to various vnode functions.
  */
 #define	SKIPSYSTEM	0x0001	/* vflush: skip vnodes marked VSYSTEM */
 #define	FORCECLOSE	0x0002	/* vflush: force file closure */
 #define	WRITECLOSE	0x0004	/* vflush: only close writable files */
 #define	EARLYFLUSH	0x0008	/* vflush: early call for ffs_flushfiles */
 #define	V_SAVE		0x0001	/* vinvalbuf: sync file first */
 #define	V_ALT		0x0002	/* vinvalbuf: invalidate only alternate bufs */
 #define	V_NORMAL	0x0004	/* vinvalbuf: invalidate only regular bufs */
 #define	V_CLEANONLY	0x0008	/* vinvalbuf: invalidate only clean bufs */
 #define	V_VMIO		0x0010	/* vinvalbuf: called during pageout */
 #define	V_ALLOWCLEAN	0x0020	/* vinvalbuf: allow clean buffers after flush */
 #define	REVOKEALL	0x0001	/* vop_revoke: revoke all aliases */
 #define	V_WAIT		0x0001	/* vn_start_write: sleep for suspend */
 #define	V_NOWAIT	0x0002	/* vn_start_write: don't sleep for suspend */
 #define	V_XSLEEP	0x0004	/* vn_start_write: just return after sleep */
 #define	V_PCATCH	0x0008	/* vn_start_write: make the sleep interruptible */
 #define	V_VALID_FLAGS (V_WAIT | V_NOWAIT | V_XSLEEP | V_PCATCH)
 
 #define	VR_START_WRITE	0x0001	/* vfs_write_resume: start write atomically */
 #define	VR_NO_SUSPCLR	0x0002	/* vfs_write_resume: do not clear suspension */
 
 #define	VS_SKIP_UNMOUNT	0x0001	/* vfs_write_suspend: fail if the
 				   filesystem is being unmounted */
 
-#define	VREF(vp)	vref(vp)
-
 #ifdef DIAGNOSTIC
 #define	VATTR_NULL(vap)	vattr_null(vap)
 #else
 #define	VATTR_NULL(vap)	(*(vap) = va_null)	/* initialize a vattr */
 #endif /* DIAGNOSTIC */
 
 /*
  * Global vnode data.
  */
 extern	struct vnode *rootvnode;	/* root (i.e. "/") vnode */
 extern	struct mount *rootdevmp;	/* "/dev" mount */
 extern	u_long desiredvnodes;		/* number of vnodes desired */
 extern	struct uma_zone *namei_zone;
 extern	struct vattr va_null;		/* predefined null vattr structure */
 
 extern	u_int vn_lock_pair_pause_max;
 
 #define	VI_LOCK(vp)	mtx_lock(&(vp)->v_interlock)
 #define	VI_LOCK_FLAGS(vp, flags) mtx_lock_flags(&(vp)->v_interlock, (flags))
 #define	VI_TRYLOCK(vp)	mtx_trylock(&(vp)->v_interlock)
 #define	VI_UNLOCK(vp)	mtx_unlock(&(vp)->v_interlock)
 #define	VI_MTX(vp)	(&(vp)->v_interlock)
 
 #define	VN_LOCK_AREC(vp)	lockallowrecurse((vp)->v_vnlock)
 #define	VN_LOCK_ASHARE(vp)	lockallowshare((vp)->v_vnlock)
 #define	VN_LOCK_DSHARE(vp)	lockdisableshare((vp)->v_vnlock)
 
 #endif /* _KERNEL */
 
 /*
  * Mods for extensibility.
  */
 
 /*
  * Flags for vdesc_flags:
  */
 #define	VDESC_MAX_VPS		16
 /* Low order 16 flag bits are reserved for willrele flags for vp arguments. */
 #define	VDESC_VP0_WILLRELE	0x0001
 #define	VDESC_VP1_WILLRELE	0x0002
 #define	VDESC_VP2_WILLRELE	0x0004
 #define	VDESC_VP3_WILLRELE	0x0008
 
 /*
  * A generic structure.
  * This can be used by bypass routines to identify generic arguments.
  */
 struct vop_generic_args {
 	struct vnodeop_desc *a_desc;
 	/* other random data follows, presumably */
 };
 
 typedef int vop_bypass_t(struct vop_generic_args *);
 
 /*
  * VDESC_NO_OFFSET is used to identify the end of the offset list
  * and in places where no such field exists.
  */
 #define VDESC_NO_OFFSET -1
 
 /*
  * This structure describes the vnode operation taking place.
  */
 struct vnodeop_desc {
 	char	*vdesc_name;		/* a readable name for debugging */
 	int	 vdesc_flags;		/* VDESC_* flags */
 	int	vdesc_vop_offset;
 	vop_bypass_t	*vdesc_call;	/* Function to call */
 
 	/*
 	 * These ops are used by bypass routines to map and locate arguments.
 	 * Creds and procs are not needed in bypass routines, but sometimes
 	 * they are useful to (for example) transport layers.
 	 * Nameidata is useful because it has a cred in it.
 	 */
 	int	*vdesc_vp_offsets;	/* list ended by VDESC_NO_OFFSET */
 	int	vdesc_vpp_offset;	/* return vpp location */
 	int	vdesc_cred_offset;	/* cred location, if any */
 	int	vdesc_thread_offset;	/* thread location, if any */
 	int	vdesc_componentname_offset; /* if any */
 };
 
 #ifdef _KERNEL
 /*
  * A list of all the operation descs.
  */
 extern struct vnodeop_desc *vnodeop_descs[];
 
 #define	VOPARG_OFFSETOF(s_type, field)	__offsetof(s_type, field)
 #define	VOPARG_OFFSETTO(s_type, s_offset, struct_p) \
     ((s_type)(((char*)(struct_p)) + (s_offset)))
 
 #ifdef INVARIANTS
 /*
  * Support code to aid in debugging VFS locking problems.  Not totally
  * reliable since if the thread sleeps between changing the lock
  * state and checking it with the assert, some other thread could
  * change the state.  They are good enough for debugging a single
  * filesystem using a single-threaded test.  Note that the unreliability is
  * limited to false negatives; efforts were made to ensure that false
  * positives cannot occur.
  */
 void	assert_vi_locked(struct vnode *vp, const char *str);
 void	assert_vi_unlocked(struct vnode *vp, const char *str);
 void	assert_vop_elocked(struct vnode *vp, const char *str);
 void	assert_vop_locked(struct vnode *vp, const char *str);
 void	assert_vop_unlocked(struct vnode *vp, const char *str);
 
 #define	ASSERT_VI_LOCKED(vp, str)	assert_vi_locked((vp), (str))
 #define	ASSERT_VI_UNLOCKED(vp, str)	assert_vi_unlocked((vp), (str))
 #define	ASSERT_VOP_ELOCKED(vp, str)	assert_vop_elocked((vp), (str))
 #define	ASSERT_VOP_LOCKED(vp, str)	assert_vop_locked((vp), (str))
 #define	ASSERT_VOP_UNLOCKED(vp, str)	assert_vop_unlocked((vp), (str))
 
 #define ASSERT_VOP_IN_SEQC(vp)	do {				\
 	struct vnode *_vp = (vp);				\
 								\
 	VNPASS(seqc_in_modify(_vp->v_seqc), _vp);		\
 } while (0)
 
 #define ASSERT_VOP_NOT_IN_SEQC(vp)	do {			\
 	struct vnode *_vp = (vp);				\
 								\
 	VNPASS(!seqc_in_modify(_vp->v_seqc), _vp);		\
 } while (0)
 
 #else /* !INVARIANTS */
 
 #define	ASSERT_VI_LOCKED(vp, str)	((void)0)
 #define	ASSERT_VI_UNLOCKED(vp, str)	((void)0)
 #define	ASSERT_VOP_ELOCKED(vp, str)	((void)0)
 #define	ASSERT_VOP_LOCKED(vp, str)	((void)0)
 #define	ASSERT_VOP_UNLOCKED(vp, str)	((void)0)
 
 #define ASSERT_VOP_IN_SEQC(vp)		((void)0)
 #define ASSERT_VOP_NOT_IN_SEQC(vp)	((void)0)
 
 #endif /* INVARIANTS */
 
 #define DOINGASYNC(vp)	   					\
 	(((vp)->v_mount->mnt_kern_flag & MNTK_ASYNC) != 0 &&	\
 	 ((curthread->td_pflags & TDP_SYNCIO) == 0))
 
 /*
  * VMIO support inline
  */
 
 extern int vmiodirenable;
 
 static __inline int
 vn_canvmio(struct vnode *vp)
 {
       if (vp && (vp->v_type == VREG || (vmiodirenable && vp->v_type == VDIR)))
 		return(TRUE);
 	return(FALSE);
 }
 
 /*
  * Finally, include the default set of vnode operations.
  */
 typedef void vop_getpages_iodone_t(void *, vm_page_t *, int, int);
 #include "vnode_if.h"
 
 /* vn_open_flags */
 #define	VN_OPEN_NOAUDIT		0x00000001
 #define	VN_OPEN_NOCAPCHECK	0x00000002
 #define	VN_OPEN_NAMECACHE	0x00000004
 #define	VN_OPEN_INVFS		0x00000008
 #define	VN_OPEN_WANTIOCTLCAPS	0x00000010
 
 /* copy_file_range kernel flags */
 #define	COPY_FILE_RANGE_KFLAGS		0xff000000
 #define	COPY_FILE_RANGE_TIMEO1SEC	0x01000000	/* Return after 1sec. */
 
 /*
  * Public vnode manipulation functions.
  */
 struct componentname;
 struct file;
 struct mount;
 struct nameidata;
 struct ostat;
 struct freebsd11_stat;
 struct thread;
 struct proc;
 struct stat;
 struct nstat;
 struct ucred;
 struct uio;
 struct vattr;
 struct vfsops;
 struct vnode;
 
 typedef int (*vn_get_ino_t)(struct mount *, void *, int, struct vnode **);
 
 int	bnoreuselist(struct bufv *bufv, struct bufobj *bo, daddr_t startn,
 	    daddr_t endn);
 /* cache_* may belong in namei.h. */
 void	cache_changesize(u_long newhashsize);
 
 #define	VFS_CACHE_DROPOLD	0x1
 
 void	cache_enter_time_flags(struct vnode *dvp, struct vnode *vp,
 	    struct componentname *cnp, struct timespec *tsp,
 	    struct timespec *dtsp, int flags);
 #define	cache_enter(dvp, vp, cnp)					\
 	cache_enter_time(dvp, vp, cnp, NULL, NULL)
 void	cache_enter_time(struct vnode *dvp, struct vnode *vp,
 	    struct componentname *cnp, struct timespec *tsp,
 	    struct timespec *dtsp);
 int	cache_lookup(struct vnode *dvp, struct vnode **vpp,
 	    struct componentname *cnp, struct timespec *tsp, int *ticksp);
 void	cache_vnode_init(struct vnode *vp);
 void	cache_purge(struct vnode *vp);
 void	cache_purge_vgone(struct vnode *vp);
 void	cache_purge_negative(struct vnode *vp);
 void	cache_purgevfs(struct mount *mp);
 char	*cache_symlink_alloc(size_t size, int flags);
 void	cache_symlink_free(char *string, size_t size);
 int	cache_symlink_resolve(struct cache_fpl *fpl, const char *string,
 	    size_t len);
 void	cache_vop_inotify(struct vnode *vp, int event, uint32_t cookie);
 void	cache_vop_rename(struct vnode *fdvp, struct vnode *fvp, struct vnode *tdvp,
     struct vnode *tvp, struct componentname *fcnp, struct componentname *tcnp);
 void	cache_vop_rmdir(struct vnode *dvp, struct vnode *vp);
 void	cache_vop_vector_register(struct vop_vector *);
 #ifdef INVARIANTS
 void	cache_validate(struct vnode *dvp, struct vnode *vp,
 	    struct componentname *cnp);
 void	cache_validate_vop_vector(struct mount *mp, struct vop_vector *vops);
 void	cache_assert_no_entries(struct vnode *vp);
 #else
 static inline void
 cache_validate(struct vnode *dvp, struct vnode *vp, struct componentname *cnp)
 {
 }
 
 static inline void
 cache_validate_vop_vector(struct mount *mp, struct vop_vector *vops)
 {
 }
 
 static inline void
 cache_assert_no_entries(struct vnode *vp)
 {
 }
 #endif
 void	cache_fast_lookup_enabled_recalc(void);
 int	change_dir(struct vnode *vp, struct thread *td);
 void	cvtstat(struct stat *st, struct ostat *ost);
 int	freebsd11_cvtnstat(struct stat *sb, struct nstat *nsb);
 int	freebsd11_cvtstat(struct stat *st, struct freebsd11_stat *ost);
 int	getnewvnode(const char *tag, struct mount *mp, struct vop_vector *vops,
 	    struct vnode **vpp);
 void	getnewvnode_reserve(void);
 void	getnewvnode_drop_reserve(void);
 int	insmntque(struct vnode *vp, struct mount *mp);
 int	insmntque1(struct vnode *vp, struct mount *mp);
 u_quad_t init_va_filerev(void);
 int	speedup_syncer(void);
 int	vn_vptocnp(struct vnode **vp, char *buf, size_t *buflen);
 int	vn_getcwd(char *buf, char **retbuf, size_t *buflen);
 int	vn_fullpath(struct vnode *vp, char **retbuf, char **freebuf);
 int	vn_fullpath_global(struct vnode *vp, char **retbuf, char **freebuf);
 int	vn_fullpath_hardlink(struct vnode *vp, struct vnode *dvp,
 	    const char *hdrl_name, size_t hrdl_name_length, char **retbuf,
 	    char **freebuf, size_t *buflen);
 struct vnode *
 	vn_dir_dd_ino(struct vnode *vp);
 int	vn_commname(struct vnode *vn, char *buf, u_int buflen);
 int	vn_path_to_global_path(struct thread *td, struct vnode *vp,
 	    char *path, u_int pathlen);
 int	vn_path_to_global_path_hardlink(struct thread *td, struct vnode *vp,
 	    struct vnode *dvp, char *path, u_int pathlen, const char *leaf_name,
 	    size_t leaf_length);
 int	vaccess(__enum_uint8(vtype) type, mode_t file_mode, uid_t file_uid,
 	    gid_t file_gid, accmode_t accmode, struct ucred *cred);
 int	vaccess_vexec_smr(mode_t file_mode, uid_t file_uid, gid_t file_gid,
 	    struct ucred *cred);
 int	vaccess_acl_nfs4(__enum_uint8(vtype) type, uid_t file_uid, gid_t file_gid,
 	    struct acl *aclp, accmode_t accmode, struct ucred *cred);
 int	vaccess_acl_posix1e(__enum_uint8(vtype) type, uid_t file_uid,
 	    gid_t file_gid, struct acl *acl, accmode_t accmode,
 	    struct ucred *cred);
 void	vattr_null(struct vattr *vap);
 void	vlazy(struct vnode *);
 void	vdrop(struct vnode *);
 void	vdropl(struct vnode *);
 int	vflush(struct mount *mp, int rootrefs, int flags, struct thread *td);
 int	vget(struct vnode *vp, int flags);
 enum vgetstate	vget_prep_smr(struct vnode *vp);
 enum vgetstate	vget_prep(struct vnode *vp);
 int	vget_finish(struct vnode *vp, int flags, enum vgetstate vs);
 void	vget_finish_ref(struct vnode *vp, enum vgetstate vs);
 void	vget_abort(struct vnode *vp, enum vgetstate vs);
 void	vgone(struct vnode *vp);
 void	vhold(struct vnode *);
 void	vholdnz(struct vnode *);
 bool	vhold_smr(struct vnode *);
 int	vinactive(struct vnode *vp);
 int	vinvalbuf(struct vnode *vp, int save, int slpflag, int slptimeo);
 int	vtruncbuf(struct vnode *vp, off_t length, int blksize);
 void	v_inval_buf_range(struct vnode *vp, daddr_t startlbn, daddr_t endlbn,
 	    int blksize);
 void	vunref(struct vnode *);
 void	vn_printf(struct vnode *vp, const char *fmt, ...) __printflike(2,3);
 int	vrecycle(struct vnode *vp);
 int	vrecyclel(struct vnode *vp);
 int	vn_bmap_seekhole_locked(struct vnode *vp, u_long cmd, off_t *off,
 	    struct ucred *cred);
 int	vn_bmap_seekhole(struct vnode *vp, u_long cmd, off_t *off,
 	    struct ucred *cred);
 int	vn_close(struct vnode *vp,
 	    int flags, struct ucred *file_cred, struct thread *td);
 int	vn_copy_file_range(struct vnode *invp, off_t *inoffp,
 	    struct vnode *outvp, off_t *outoffp, size_t *lenp,
 	    unsigned int flags, struct ucred *incred, struct ucred *outcred,
 	    struct thread *fsize_td);
 int	vn_deallocate(struct vnode *vp, off_t *offset, off_t *length, int flags,
 	    int ioflg, struct ucred *active_cred, struct ucred *file_cred);
 void	vn_finished_write(struct mount *mp);
 void	vn_finished_secondary_write(struct mount *mp);
 int	vn_fsync_buf(struct vnode *vp, int waitfor);
 int	vn_generic_copy_file_range(struct vnode *invp, off_t *inoffp,
 	    struct vnode *outvp, off_t *outoffp, size_t *lenp,
 	    unsigned int flags, struct ucred *incred, struct ucred *outcred,
 	    struct thread *fsize_td);
 int	vn_need_pageq_flush(struct vnode *vp);
 bool	vn_isdisk_error(struct vnode *vp, int *errp);
 bool	vn_isdisk(struct vnode *vp);
 int	_vn_lock(struct vnode *vp, int flags, const char *file, int line);
 #define vn_lock(vp, flags) _vn_lock(vp, flags, __FILE__, __LINE__)
 void	vn_lock_pair(struct vnode *vp1, bool vp1_locked, int lkflags1,
 	    struct vnode *vp2, bool vp2_locked, int lkflags2);
 int	vn_open(struct nameidata *ndp, int *flagp, int cmode, struct file *fp);
 int	vn_open_cred(struct nameidata *ndp, int *flagp, int cmode,
 	    u_int vn_open_flags, struct ucred *cred, struct file *fp);
 int	vn_open_vnode(struct vnode *vp, int fmode, struct ucred *cred,
 	    struct thread *td, struct file *fp);
 void	vn_pages_remove(struct vnode *vp, vm_pindex_t start, vm_pindex_t end);
 void	vn_pages_remove_valid(struct vnode *vp, vm_pindex_t start,
 	    vm_pindex_t end);
 int	vn_pollrecord(struct vnode *vp, struct thread *p, int events);
 int	vn_rdwr(enum uio_rw rw, struct vnode *vp, void *base,
 	    int len, off_t offset, enum uio_seg segflg, int ioflg,
 	    struct ucred *active_cred, struct ucred *file_cred, ssize_t *aresid,
 	    struct thread *td);
 int	vn_rdwr_inchunks(enum uio_rw rw, struct vnode *vp, void *base,
 	    size_t len, off_t offset, enum uio_seg segflg, int ioflg,
 	    struct ucred *active_cred, struct ucred *file_cred, size_t *aresid,
 	    struct thread *td);
 int	vn_read_from_obj(struct vnode *vp, struct uio *uio);
 int	vn_rlimit_fsize(const struct vnode *vp, const struct uio *uio,
 	    struct thread *td);
 int	vn_rlimit_fsizex(const struct vnode *vp, struct uio *uio,
 	    off_t maxfsz, ssize_t *resid_adj, struct thread *td);
 void	vn_rlimit_fsizex_res(struct uio *uio, ssize_t resid_adj);
 int	vn_rlimit_trunc(u_quad_t size, struct thread *td);
 int	vn_start_write(struct vnode *vp, struct mount **mpp, int flags);
 int	vn_start_secondary_write(struct vnode *vp, struct mount **mpp,
 	    int flags);
 int	vn_truncate_locked(struct vnode *vp, off_t length, bool sync,
 	    struct ucred *cred);
 int	vn_writechk(struct vnode *vp);
 int	vn_extattr_get(struct vnode *vp, int ioflg, int attrnamespace,
 	    const char *attrname, int *buflen, char *buf, struct thread *td);
 int	vn_extattr_set(struct vnode *vp, int ioflg, int attrnamespace,
 	    const char *attrname, int buflen, char *buf, struct thread *td);
 int	vn_extattr_rm(struct vnode *vp, int ioflg, int attrnamespace,
 	    const char *attrname, struct thread *td);
 int	vn_vget_ino(struct vnode *vp, ino_t ino, int lkflags,
 	    struct vnode **rvp);
 int	vn_vget_ino_gen(struct vnode *vp, vn_get_ino_t alloc,
 	    void *alloc_arg, int lkflags, struct vnode **rvp);
 int	vn_utimes_perm(struct vnode *vp, struct vattr *vap,
 	    struct ucred *cred, struct thread *td);
 int	vn_cmp(struct file *, struct file *, struct thread *td);
 
 int	vn_io_fault_uiomove(char *data, int xfersize, struct uio *uio);
 int	vn_io_fault_pgmove(vm_page_t ma[], vm_offset_t offset, int xfersize,
 	    struct uio *uio);
 
 void	vn_seqc_write_begin_locked(struct vnode *vp);
 void	vn_seqc_write_begin(struct vnode *vp);
 void	vn_seqc_write_end_locked(struct vnode *vp);
 void	vn_seqc_write_end(struct vnode *vp);
 #define	vn_seqc_read_any(vp)		seqc_read_any(&(vp)->v_seqc)
 #define	vn_seqc_read_notmodify(vp)	seqc_read_notmodify(&(vp)->v_seqc)
 #define	vn_seqc_consistent(vp, seq)	seqc_consistent(&(vp)->v_seqc, seq)
 
 #define	vn_rangelock_unlock(vp, cookie)					\
 	rangelock_unlock(&(vp)->v_rl, (cookie))
 #define	vn_rangelock_rlock(vp, start, end)				\
 	rangelock_rlock(&(vp)->v_rl, (start), (end))
 #define	vn_rangelock_tryrlock(vp, start, end)				\
 	rangelock_tryrlock(&(vp)->v_rl, (start), (end))
 #define	vn_rangelock_wlock(vp, start, end)				\
 	rangelock_wlock(&(vp)->v_rl, (start), (end))
 #define	vn_rangelock_trywlock(vp, start, end)				\
 	rangelock_trywlock(&(vp)->v_rl, (start), (end))
 
 #define	vn_irflag_read(vp)	atomic_load_short(&(vp)->v_irflag)
 void	vn_irflag_set_locked(struct vnode *vp, short toset);
 void	vn_irflag_set(struct vnode *vp, short toset);
 void	vn_irflag_set_cond_locked(struct vnode *vp, short toset);
 void	vn_irflag_set_cond(struct vnode *vp, short toset);
 void	vn_irflag_unset_locked(struct vnode *vp, short tounset);
 void	vn_irflag_unset(struct vnode *vp, short tounset);
 
 int	vfs_cache_lookup(struct vop_lookup_args *ap);
 int	vfs_cache_root(struct mount *mp, int flags, struct vnode **vpp);
 void	vfs_timestamp(struct timespec *);
 void	vfs_write_resume(struct mount *mp, int flags);
 int	vfs_write_suspend(struct mount *mp, int flags);
 int	vfs_write_suspend_umnt(struct mount *mp);
 struct vnode *vnlru_alloc_marker(void);
 void	vnlru_free_marker(struct vnode *);
 void	vnlru_free_vfsops(int, struct vfsops *, struct vnode *);
 int	vop_stdbmap(struct vop_bmap_args *);
 int	vop_stdfdatasync_buf(struct vop_fdatasync_args *);
 int	vop_stdfsync(struct vop_fsync_args *);
 int	vop_stdgetwritemount(struct vop_getwritemount_args *);
 int	vop_stdgetpages(struct vop_getpages_args *);
 int	vop_stdinactive(struct vop_inactive_args *);
 int	vop_stdneed_inactive(struct vop_need_inactive_args *);
 int	vop_stdinotify(struct vop_inotify_args *);
 int	vop_stdinotify_add_watch(struct vop_inotify_add_watch_args *);
 int	vop_stdioctl(struct vop_ioctl_args *);
 int	vop_stdkqfilter(struct vop_kqfilter_args *);
 int	vop_stdlock(struct vop_lock1_args *);
 int	vop_stdunlock(struct vop_unlock_args *);
 int	vop_stdislocked(struct vop_islocked_args *);
 int	vop_lock(struct vop_lock1_args *);
 int	vop_unlock(struct vop_unlock_args *);
 int	vop_islocked(struct vop_islocked_args *);
 int	vop_stdputpages(struct vop_putpages_args *);
 int	vop_nopoll(struct vop_poll_args *);
 int	vop_stdaccess(struct vop_access_args *ap);
 int	vop_stdaccessx(struct vop_accessx_args *ap);
 int	vop_stdadvise(struct vop_advise_args *ap);
 int	vop_stdadvlock(struct vop_advlock_args *ap);
 int	vop_stdadvlockasync(struct vop_advlockasync_args *ap);
 int	vop_stdadvlockpurge(struct vop_advlockpurge_args *ap);
 int	vop_stdallocate(struct vop_allocate_args *ap);
 int	vop_stddeallocate(struct vop_deallocate_args *ap);
 int	vop_stdset_text(struct vop_set_text_args *ap);
 int	vop_stdpathconf(struct vop_pathconf_args *);
 int	vop_stdpoll(struct vop_poll_args *);
 int	vop_stdvptocnp(struct vop_vptocnp_args *ap);
 int	vop_stdvptofh(struct vop_vptofh_args *ap);
 int	vop_stdunp_bind(struct vop_unp_bind_args *ap);
 int	vop_stdunp_connect(struct vop_unp_connect_args *ap);
 int	vop_stdunp_detach(struct vop_unp_detach_args *ap);
 int	vop_stdadd_writecount_nomsync(struct vop_add_writecount_args *ap);
 int	vop_eopnotsupp(struct vop_generic_args *ap);
 int	vop_ebadf(struct vop_generic_args *ap);
 int	vop_einval(struct vop_generic_args *ap);
 int	vop_enoent(struct vop_generic_args *ap);
 int	vop_enotty(struct vop_generic_args *ap);
 int	vop_eagain(struct vop_generic_args *ap);
 int	vop_null(struct vop_generic_args *ap);
 int	vop_panic(struct vop_generic_args *ap);
 int	dead_poll(struct vop_poll_args *ap);
 int	dead_read(struct vop_read_args *ap);
 int	dead_write(struct vop_write_args *ap);
 
 /* These are called from within the actual VOPS. */
 void	vop_allocate_post(void *a, int rc);
 void	vop_copy_file_range_post(void *ap, int rc);
 void	vop_close_post(void *a, int rc);
 void	vop_create_pre(void *a);
 void	vop_create_post(void *a, int rc);
 void	vop_deallocate_post(void *a, int rc);
 void	vop_whiteout_pre(void *a);
 void	vop_whiteout_post(void *a, int rc);
 void	vop_deleteextattr_pre(void *a);
 void	vop_deleteextattr_post(void *a, int rc);
 void	vop_link_pre(void *a);
 void	vop_link_post(void *a, int rc);
 void	vop_lookup_post(void *a, int rc);
 void	vop_lookup_pre(void *a);
 void	vop_mkdir_pre(void *a);
 void	vop_mkdir_post(void *a, int rc);
 void	vop_mknod_pre(void *a);
 void	vop_mknod_post(void *a, int rc);
 void	vop_open_post(void *a, int rc);
 void	vop_read_post(void *a, int rc);
 void	vop_read_pgcache_post(void *ap, int rc);
 void	vop_reclaim_post(void *a, int rc);
 void	vop_remove_pre(void *a);
 void	vop_remove_post(void *a, int rc);
 void	vop_rename_post(void *a, int rc);
 void	vop_rename_pre(void *a);
 void	vop_rmdir_pre(void *a);
 void	vop_rmdir_post(void *a, int rc);
 void	vop_setattr_pre(void *a);
 void	vop_setattr_post(void *a, int rc);
 void	vop_setacl_pre(void *a);
 void	vop_setacl_post(void *a, int rc);
 void	vop_setextattr_pre(void *a);
 void	vop_setextattr_post(void *a, int rc);
 void	vop_symlink_pre(void *a);
 void	vop_symlink_post(void *a, int rc);
 int	vop_sigdefer(struct vop_vector *vop, struct vop_generic_args *a);
 
 #ifdef INVARIANTS
 void	vop_fdatasync_debugpre(void *a);
 void	vop_fdatasync_debugpost(void *a, int rc);
 void	vop_fplookup_vexec_debugpre(void *a);
 void	vop_fplookup_vexec_debugpost(void *a, int rc);
 void	vop_fplookup_symlink_debugpre(void *a);
 void	vop_fplookup_symlink_debugpost(void *a, int rc);
 void	vop_fsync_debugpre(void *a);
 void	vop_fsync_debugpost(void *a, int rc);
 void	vop_strategy_debugpre(void *a);
 void	vop_lock_debugpre(void *a);
 void	vop_lock_debugpost(void *a, int rc);
 void	vop_unlock_debugpre(void *a);
 void	vop_need_inactive_debugpre(void *a);
 void	vop_need_inactive_debugpost(void *a, int rc);
 void	vop_mkdir_debugpost(void *a, int rc);
 #else
 #define	vop_fdatasync_debugpre(x)		do { } while (0)
 #define	vop_fdatasync_debugpost(x, y)		do { } while (0)
 #define	vop_fplookup_vexec_debugpre(x)		do { } while (0)
 #define	vop_fplookup_vexec_debugpost(x, y)	do { } while (0)
 #define	vop_fplookup_symlink_debugpre(x)	do { } while (0)
 #define	vop_fplookup_symlink_debugpost(x, y)	do { } while (0)
 #define	vop_fsync_debugpre(x)			do { } while (0)
 #define	vop_fsync_debugpost(x, y)		do { } while (0)
 #define	vop_strategy_debugpre(x)		do { } while (0)
 #define	vop_lock_debugpre(x)			do { } while (0)
 #define	vop_lock_debugpost(x, y)		do { } while (0)
 #define	vop_unlock_debugpre(x)			do { } while (0)
 #define	vop_need_inactive_debugpre(x)		do { } while (0)
 #define	vop_need_inactive_debugpost(x, y)	do { } while (0)
 #define	vop_mkdir_debugpost(x, y)		do { } while (0)
 #endif
 
 void	vop_rename_fail(struct vop_rename_args *ap);
 
 #define	vop_stat_helper_pre(ap)	({						\
 	struct vop_stat_args *_ap = (ap);					\
 	int _error;								\
 	AUDIT_ARG_VNODE1(ap->a_vp);						\
 	_error = mac_vnode_check_stat(_ap->a_active_cred, _ap->a_file_cred, _ap->a_vp);\
 	if (__predict_true(_error == 0)) {					\
 		ap->a_sb->st_padding1 = 0;					\
 		bzero(_ap->a_sb->st_spare, sizeof(_ap->a_sb->st_spare));	\
 		ap->a_sb->st_filerev = 0;					\
 		ap->a_sb->st_bsdflags = 0;					\
 	}									\
 	_error;									\
 })
 
 #define	vop_stat_helper_post(ap, error)	({					\
 	struct vop_stat_args *_ap = (ap);					\
 	int _error = (error);							\
 	if (priv_check_cred_vfs_generation(_ap->a_active_cred))			\
 		_ap->a_sb->st_gen = 0;						\
 	_error;									\
 })
 
 #ifdef INVARIANTS
 #define	vop_readdir_pre_assert(ap)					\
 	ssize_t nresid, oresid;						\
 									\
 	oresid = (ap)->a_uio->uio_resid;
 
 #define	vop_readdir_post_assert(ap, ret)				\
 	nresid = (ap)->a_uio->uio_resid;				\
 	if ((ret) == 0 && (ap)->a_eofflag != NULL) {			\
 		VNASSERT(oresid == 0 || nresid != oresid ||		\
 		    *(ap)->a_eofflag == 1,				\
 		    (ap)->a_vp, ("VOP_READDIR: eofflag not set"));	\
 	}
 #else
 #define	vop_readdir_pre_assert(ap)
 #define	vop_readdir_post_assert(ap, ret)
 #endif
 
 #define	vop_readdir_pre(ap) do {					\
 	vop_readdir_pre_assert(ap)
 
 #define vop_readdir_post(ap, ret)					\
 	vop_readdir_post_assert(ap, ret);				\
 	if ((ret) == 0) {						\
 		VFS_KNOTE_LOCKED((ap)->a_vp, NOTE_READ);		\
 		INOTIFY((ap)->a_vp, IN_ACCESS);				\
 	}								\
 } while (0)
 
 #define	vop_write_pre(ap)						\
 	struct vattr va;						\
 	int error;							\
 	off_t osize, ooffset, noffset;					\
 									\
 	osize = ooffset = noffset = 0;					\
 	if (!VN_KNLIST_EMPTY((ap)->a_vp)) {				\
 		error = VOP_GETATTR((ap)->a_vp, &va, (ap)->a_cred);	\
 		if (error)						\
 			return (error);					\
 		ooffset = (ap)->a_uio->uio_offset;			\
 		osize = (off_t)va.va_size;				\
 	}
 
 #define vop_write_post(ap, ret)						\
 	noffset = (ap)->a_uio->uio_offset;				\
 	if (noffset > ooffset) {					\
 		if (!VN_KNLIST_EMPTY((ap)->a_vp)) {			\
 			VFS_KNOTE_LOCKED((ap)->a_vp, NOTE_WRITE |	\
 			    (noffset > osize ? NOTE_EXTEND : 0));	\
 		}							\
 		INOTIFY((ap)->a_vp, IN_MODIFY);				\
 	}
 
 #define VOP_LOCK(vp, flags) VOP_LOCK1(vp, flags, __FILE__, __LINE__)
 
 #ifdef INVARIANTS
 #define	VOP_ADD_WRITECOUNT_CHECKED(vp, cnt)				\
 do {									\
 	int error_;							\
 									\
 	error_ = VOP_ADD_WRITECOUNT((vp), (cnt));			\
 	VNASSERT(error_ == 0, (vp), ("VOP_ADD_WRITECOUNT returned %d",	\
 	    error_));							\
 } while (0)
 #define	VOP_SET_TEXT_CHECKED(vp)					\
 do {									\
 	int error_;							\
 									\
 	error_ = VOP_SET_TEXT((vp));					\
 	VNASSERT(error_ == 0, (vp), ("VOP_SET_TEXT returned %d",	\
 	    error_));							\
 } while (0)
 #define	VOP_UNSET_TEXT_CHECKED(vp)					\
 do {									\
 	int error_;							\
 									\
 	error_ = VOP_UNSET_TEXT((vp));					\
 	VNASSERT(error_ == 0, (vp), ("VOP_UNSET_TEXT returned %d",	\
 	    error_));							\
 } while (0)
 #else
 #define	VOP_ADD_WRITECOUNT_CHECKED(vp, cnt)	VOP_ADD_WRITECOUNT((vp), (cnt))
 #define	VOP_SET_TEXT_CHECKED(vp)		VOP_SET_TEXT((vp))
 #define	VOP_UNSET_TEXT_CHECKED(vp)		VOP_UNSET_TEXT((vp))
 #endif
 
 #define	VN_IS_DOOMED(vp)	__predict_false((vn_irflag_read(vp) & VIRF_DOOMED) != 0)
 
 void	vput(struct vnode *vp);
 void	vrele(struct vnode *vp);
 void	vref(struct vnode *vp);
 void	vrefact(struct vnode *vp);
 void 	v_addpollinfo(struct vnode *vp);
 static __inline int
 vrefcnt(struct vnode *vp)
 {
 
 	return (vp->v_usecount);
 }
 
 #define	vholdl(vp)	do {						\
 	ASSERT_VI_LOCKED(vp, __func__);					\
 	vhold(vp);							\
 } while (0)
 
 #define	vrefl(vp)	do {						\
 	ASSERT_VI_LOCKED(vp, __func__);					\
 	vref(vp);							\
 } while (0)
 
 /*
  * The caller doesn't know the file size and vnode_create_vobject() should
  * determine the size on its own.
  */
 #define	VNODE_NO_SIZE	((off_t)-1)
 
 int vnode_create_vobject(struct vnode *vp, off_t size, struct thread *td);
 int vnode_create_disk_vobject(struct vnode *vp, off_t size, struct thread *td);
 void vnode_destroy_vobject(struct vnode *vp);
 
 extern struct vop_vector fifo_specops;
 extern struct vop_vector dead_vnodeops;
 extern struct vop_vector default_vnodeops;
 
 #define VOP_PANIC	((void*)(uintptr_t)vop_panic)
 #define VOP_NULL	((void*)(uintptr_t)vop_null)
 #define VOP_EBADF	((void*)(uintptr_t)vop_ebadf)
 #define VOP_ENOTTY	((void*)(uintptr_t)vop_enotty)
 #define VOP_EINVAL	((void*)(uintptr_t)vop_einval)
 #define VOP_ENOENT	((void*)(uintptr_t)vop_enoent)
 #define VOP_EOPNOTSUPP	((void*)(uintptr_t)vop_eopnotsupp)
 #define VOP_EAGAIN	((void*)(uintptr_t)vop_eagain)
 
 /* fifo_vnops.c */
 int	fifo_printinfo(struct vnode *);
 
 /* vfs_hash.c */
 typedef int vfs_hash_cmp_t(struct vnode *vp, void *arg);
 
 void vfs_hash_changesize(u_long newhashsize);
 int vfs_hash_get(const struct mount *mp, u_int hash, int flags,
     struct thread *td, struct vnode **vpp, vfs_hash_cmp_t *fn, void *arg);
 u_int vfs_hash_index(struct vnode *vp);
 int vfs_hash_insert(struct vnode *vp, u_int hash, int flags, struct thread *td,
     struct vnode **vpp, vfs_hash_cmp_t *fn, void *arg);
 void vfs_hash_ref(const struct mount *mp, u_int hash, struct thread *td,
     struct vnode **vpp, vfs_hash_cmp_t *fn, void *arg);
 void vfs_hash_rehash(struct vnode *vp, u_int hash);
 void vfs_hash_remove(struct vnode *vp);
 
 int vfs_kqfilter(struct vop_kqfilter_args *);
 struct dirent;
 int vn_dir_next_dirent(struct vnode *vp, struct thread *td,
     char *dirbuf, size_t dirbuflen,
     struct dirent **dpp, size_t *len, off_t *off, int *eofflag);
 int vn_dir_check_empty(struct vnode *vp);
 int vfs_read_dirent(struct vop_readdir_args *ap, struct dirent *dp, off_t off);
 
 int vfs_unixify_accmode(accmode_t *accmode);
 
 void vfs_unp_reclaim(struct vnode *vp);
 
 int setfmode(struct thread *td, struct ucred *cred, struct vnode *vp, int mode);
 int setfown(struct thread *td, struct ucred *cred, struct vnode *vp, uid_t uid,
     gid_t gid);
 int vn_chmod(struct file *fp, mode_t mode, struct ucred *active_cred,
     struct thread *td);
 int vn_chown(struct file *fp, uid_t uid, gid_t gid, struct ucred *active_cred,
     struct thread *td);
 int vn_getsize_locked(struct vnode *vp, off_t *size, struct ucred *active_cred);
 int vn_getsize(struct vnode *vp, off_t *size, struct ucred *active_cred);
 
 void vn_fsid(struct vnode *vp, struct vattr *va);
 
 int vn_dir_check_exec(struct vnode *vp, struct componentname *cnp);
 int vn_lktype_write(struct mount *mp, struct vnode *vp);
 
 #ifdef INVARIANTS
 void vn_set_state_validate(struct vnode *vp, __enum_uint8(vstate) state);
 #endif
 
 static inline void
 vn_set_state(struct vnode *vp, __enum_uint8(vstate) state)
 {
 #ifdef INVARIANTS
 	vn_set_state_validate(vp, state);
 #endif
 	vp->v_state = state;
 }
 
 static inline __enum_uint8(vstate)
 vn_get_state(struct vnode *vp)
 {
 	return (vp->v_state);
 }
 
 #define VOP_UNLOCK_FLAGS(vp, flags)	({				\
 	struct vnode *_vp = (vp);					\
 	int _flags = (flags);						\
 	int _error;							\
 									\
         if ((_flags & ~(LK_INTERLOCK | LK_RELEASE)) != 0)		\
                 panic("%s: unsupported flags %x\n", __func__, flags);	\
         _error = VOP_UNLOCK(_vp);					\
         if (_flags & LK_INTERLOCK)					\
                 VI_UNLOCK(_vp);						\
         _error;								\
 })
 
 #include <sys/kernel.h>
 
 #define VFS_VOP_VECTOR_REGISTER(vnodeops) \
 	SYSINIT(vfs_vector_##vnodeops##_f, SI_SUB_VFS, SI_ORDER_ANY, \
 	    vfs_vector_op_register, &vnodeops)
 
 #define VFS_SMR_DECLARE				\
 	extern smr_t vfs_smr
 
 #define VFS_SMR()	vfs_smr
 #define vfs_smr_enter()	smr_enter(VFS_SMR())
 #define vfs_smr_exit()	smr_exit(VFS_SMR())
 #define vfs_smr_synchronize()	smr_synchronize(VFS_SMR())
 #define vfs_smr_entered_load(ptr)	smr_entered_load((ptr), VFS_SMR())
 #define VFS_SMR_ENTERED()		SMR_ENTERED(VFS_SMR())
 #define VFS_SMR_ASSERT_ENTERED()	SMR_ASSERT_ENTERED(VFS_SMR())
 #define VFS_SMR_ASSERT_NOT_ENTERED()	SMR_ASSERT_NOT_ENTERED(VFS_SMR())
 #define VFS_SMR_ZONE_SET(zone)	uma_zone_set_smr((zone), VFS_SMR())
 
 #define vn_load_v_data_smr(vp)	({		\
 	struct vnode *_vp = (vp);		\
 						\
 	VFS_SMR_ASSERT_ENTERED();		\
 	atomic_load_consume_ptr(&(_vp)->v_data);\
 })
 
 #endif /* _KERNEL */
 
 #endif /* !_SYS_VNODE_H_ */
diff --git a/sys/ufs/ufs/ufs_lookup.c b/sys/ufs/ufs/ufs_lookup.c
index 9221aa63184d..419ec3de8572 100644
--- a/sys/ufs/ufs/ufs_lookup.c
+++ b/sys/ufs/ufs/ufs_lookup.c
@@ -1,1568 +1,1568 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * Copyright (c) 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  * (c) UNIX System Laboratories, Inc.
  * All or some portions of this file are derived from material licensed
  * to the University of California by American Telephone and Telegraph
  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  * the permission of UNIX System Laboratories, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include <sys/cdefs.h>
 #include "opt_ufs.h"
 #include "opt_quota.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/kernel.h>
 #include <sys/namei.h>
 #include <sys/bio.h>
 #include <sys/buf.h>
 #include <sys/proc.h>
 #include <sys/stat.h>
 #include <sys/mount.h>
 #include <sys/vnode.h>
 #include <sys/sysctl.h>
 
 #include <vm/vm.h>
 #include <vm/vm_extern.h>
 
 #include <ufs/ufs/extattr.h>
 #include <ufs/ufs/quota.h>
 #include <ufs/ufs/inode.h>
 #include <ufs/ufs/dir.h>
 #ifdef UFS_DIRHASH
 #include <ufs/ufs/dirhash.h>
 #endif
 #include <ufs/ufs/ufsmount.h>
 #include <ufs/ufs/ufs_extern.h>
 #include <ufs/ffs/ffs_extern.h>
 
 #ifdef DIAGNOSTIC
 static int	dirchk = 1;
 #else
 static int	dirchk = 0;
 #endif
 
 SYSCTL_INT(_debug, OID_AUTO, dircheck, CTLFLAG_RW, &dirchk, 0, "");
 
 static int
 ufs_delete_denied(struct vnode *vdp, struct vnode *tdp, struct ucred *cred,
     struct thread *td)
 {
 	int error;
 
 #ifdef UFS_ACL
 	/*
 	 * NFSv4 Minor Version 1, draft-ietf-nfsv4-minorversion1-03.txt
 	 *
 	 * 3.16.2.1. ACE4_DELETE vs. ACE4_DELETE_CHILD
 	 */
 
 	/*
 	 * XXX: Is this check required?
 	 */
 	error = VOP_ACCESS(vdp, VEXEC, cred, td);
 	if (error)
 		return (error);
 
 	error = VOP_ACCESSX(tdp, VDELETE, cred, td);
 	if (error == 0)
 		return (0);
 
 	error = VOP_ACCESSX(vdp, VDELETE_CHILD, cred, td);
 	if (error == 0)
 		return (0);
 
 	error = VOP_ACCESSX(vdp, VEXPLICIT_DENY | VDELETE_CHILD, cred, td);
 	if (error)
 		return (error);
 
 #endif /* !UFS_ACL */
 
 	/*
 	 * Standard Unix access control - delete access requires VWRITE.
 	 */
 	error = VOP_ACCESS(vdp, VWRITE, cred, td);
 	if (error)
 		return (error);
 
 	/*
 	 * If directory is "sticky", then user must own
 	 * the directory, or the file in it, else she
 	 * may not delete it (unless she's root). This
 	 * implements append-only directories.
 	 */
 	if ((VTOI(vdp)->i_mode & ISVTX) &&
 	    VOP_ACCESS(vdp, VADMIN, cred, td) &&
 	    VOP_ACCESS(tdp, VADMIN, cred, td))
 		return (EPERM);
 
 	return (0);
 }
 
 /*
  * Convert a component of a pathname into a pointer to a locked inode.
  * This is a very central and rather complicated routine.
  * If the filesystem is not maintained in a strict tree hierarchy,
  * this can result in a deadlock situation (see comments in code below).
  *
  * The cnp->cn_nameiop argument is LOOKUP, CREATE, RENAME, or DELETE depending
  * on whether the name is to be looked up, created, renamed, or deleted.
  * When CREATE, RENAME, or DELETE is specified, information usable in
  * creating, renaming, or deleting a directory entry may be calculated.
  * If flag has LOCKPARENT or'ed into it and the target of the pathname
  * exists, lookup returns both the target and its parent directory locked.
  * When creating or renaming and LOCKPARENT is specified, the target may
  * not be ".".  When deleting and LOCKPARENT is specified, the target may
  * be "."., but the caller must check to ensure it does an vrele and vput
  * instead of two vputs.
  *
  * This routine is actually used as VOP_CACHEDLOOKUP method, and the
  * filesystem employs the generic vfs_cache_lookup() as VOP_LOOKUP
  * method.
  *
  * vfs_cache_lookup() performs the following for us:
  *	check that it is a directory
  *	check accessibility of directory
  *	check for modification attempts on read-only mounts
  *	if name found in cache
  *	    if at end of path and deleting or creating
  *		drop it
  *	     else
  *		return name.
  *	return VOP_CACHEDLOOKUP()
  *
  * Overall outline of ufs_lookup:
  *
  *	search for name in directory, to found or notfound
  * notfound:
  *	if creating, return locked directory, leaving info on available slots
  *	else return error
  * found:
  *	if at end of path and deleting, return information to allow delete
  *	if at end of path and rewriting (RENAME and LOCKPARENT), lock target
  *	  inode and return info to allow rewrite
  *	if not at end, add name to cache; if at end and neither creating
  *	  nor deleting, add name to cache
  */
 int
 ufs_lookup(
 	struct vop_cachedlookup_args /* {
 		struct vnode *a_dvp;
 		struct vnode **a_vpp;
 		struct componentname *a_cnp;
 	} */ *ap)
 {
 
 	return (ufs_lookup_ino(ap->a_dvp, ap->a_vpp, ap->a_cnp, NULL));
 }
 
 int
 ufs_lookup_ino(struct vnode *vdp, struct vnode **vpp, struct componentname *cnp,
     ino_t *dd_ino)
 {
 	struct inode *dp;		/* inode for directory being searched */
 	struct buf *bp;			/* a buffer of directory entries */
 	struct direct *ep;		/* the current directory entry */
 	int entryoffsetinblock;		/* offset of ep in bp's buffer */
 	enum {NONE, COMPACT, FOUND} slotstatus;
 	doff_t slotoffset;		/* offset of area with free space */
 	doff_t i_diroff;		/* cached i_diroff value. */
 	doff_t i_offset;		/* cached i_offset value. */
 	int slotsize;			/* size of area at slotoffset */
 	int slotfreespace;		/* amount of space free in slot */
 	int slotneeded;			/* size of the entry we're seeking */
 	int numdirpasses;		/* strategy for directory search */
 	doff_t endsearch;		/* offset to end directory search */
 	doff_t prevoff;			/* prev entry dp->i_offset */
 	struct vnode *pdp;		/* saved dp during symlink work */
 	struct vnode *tdp;		/* returned by VFS_VGET */
 	doff_t enduseful;		/* pointer past last used dir slot */
 	uint64_t bmask;			/* block offset mask */
 	int namlen, error;
 	struct ucred *cred = cnp->cn_cred;
 	int flags = cnp->cn_flags;
 	int nameiop = cnp->cn_nameiop;
 	ino_t ino, ino1;
 	int ltype;
 
 	if (vpp != NULL)
 		*vpp = NULL;
 
 	dp = VTOI(vdp);
 	if (dp->i_effnlink == 0)
 		return (ENOENT);
 
 	/*
 	 * Create a vm object if vmiodirenable is enabled.
 	 * Alternatively we could call vnode_create_vobject
 	 * in VFS_VGET but we could end up creating objects
 	 * that are never used.
 	 */
 	vnode_create_vobject(vdp, DIP(dp, i_size), curthread);
 
 	bmask = VFSTOUFS(vdp->v_mount)->um_mountp->mnt_stat.f_iosize - 1;
 
 	/*
 	 * Assert that the directory vnode is locked, and locked
 	 * exclusively for the last component lookup for modifying
 	 * operations.
 	 *
 	 * The directory-modifying operations need to save
 	 * intermediate state in the inode between namei() call and
 	 * actual directory manipulations.  See fields in the struct
 	 * inode marked as 'used during directory lookup'.  We must
 	 * ensure that upgrade in namei() does not happen, since
 	 * upgrade might need to unlock vdp.  If quotas are enabled,
 	 * getinoquota() also requires exclusive lock to modify inode.
 	 */
 	ASSERT_VOP_LOCKED(vdp, "ufs_lookup1");
 	if ((nameiop == CREATE || nameiop == DELETE || nameiop == RENAME) &&
 	    (flags & (LOCKPARENT | ISLASTCN)) == (LOCKPARENT | ISLASTCN))
 		ASSERT_VOP_ELOCKED(vdp, "ufs_lookup2");
 
 restart:
 	bp = NULL;
 	slotoffset = -1;
 
 	/*
 	 * We now have a segment name to search for, and a directory to search.
 	 *
 	 * Suppress search for slots unless creating
 	 * file and at end of pathname, in which case
 	 * we watch for a place to put the new file in
 	 * case it doesn't already exist.
 	 */
 	ino = 0;
 	i_diroff = dp->i_diroff;
 	slotstatus = FOUND;
 	slotfreespace = slotsize = slotneeded = 0;
 	if ((nameiop == CREATE || nameiop == RENAME) &&
 	    (flags & ISLASTCN)) {
 		slotstatus = NONE;
 		slotneeded = DIRECTSIZ(cnp->cn_namelen);
 	}
 
 #ifdef UFS_DIRHASH
 	/*
 	 * Use dirhash for fast operations on large directories. The logic
 	 * to determine whether to hash the directory is contained within
 	 * ufsdirhash_build(); a zero return means that it decided to hash
 	 * this directory and it successfully built up the hash table.
 	 */
 	if (ufsdirhash_build(dp) == 0) {
 		/* Look for a free slot if needed. */
 		enduseful = dp->i_size;
 		if (slotstatus != FOUND) {
 			slotoffset = ufsdirhash_findfree(dp, slotneeded,
 			    &slotsize);
 			if (slotoffset >= 0) {
 				slotstatus = COMPACT;
 				enduseful = ufsdirhash_enduseful(dp);
 				if (enduseful < 0)
 					enduseful = dp->i_size;
 			}
 		}
 		/* Look up the component. */
 		numdirpasses = 1;
 		entryoffsetinblock = 0; /* silence compiler warning */
 		switch (ufsdirhash_lookup(dp, cnp->cn_nameptr, cnp->cn_namelen,
 		    &i_offset, &bp, nameiop == DELETE ? &prevoff : NULL)) {
 		case 0:
 			ep = (struct direct *)((char *)bp->b_data +
 			    (i_offset & bmask));
 			goto foundentry;
 		case ENOENT:
 			i_offset = roundup2(dp->i_size, DIRBLKSIZ);
 			goto notfound;
 		default:
 			/* Something failed; just do a linear search. */
 			break;
 		}
 	}
 #endif /* UFS_DIRHASH */
 	/*
 	 * If there is cached information on a previous search of
 	 * this directory, pick up where we last left off.
 	 * We cache only lookups as these are the most common
 	 * and have the greatest payoff. Caching CREATE has little
 	 * benefit as it usually must search the entire directory
 	 * to determine that the entry does not exist. Caching the
 	 * location of the last DELETE or RENAME has not reduced
 	 * profiling time and hence has been removed in the interest
 	 * of simplicity.
 	 */
 	if (nameiop != LOOKUP || i_diroff == 0 || i_diroff >= dp->i_size) {
 		entryoffsetinblock = 0;
 		i_offset = 0;
 		numdirpasses = 1;
 	} else {
 		i_offset = i_diroff;
 		if ((entryoffsetinblock = i_offset & bmask) &&
 		    (error = UFS_BLKATOFF(vdp, (off_t)i_offset, NULL, &bp)))
 			return (error);
 		numdirpasses = 2;
 		nchstats.ncs_2passes++;
 	}
 	prevoff = i_offset;
 	endsearch = roundup2(dp->i_size, DIRBLKSIZ);
 	enduseful = 0;
 
 searchloop:
 	while (i_offset < endsearch) {
 		/*
 		 * If necessary, get the next directory block.
 		 */
 		if ((i_offset & bmask) == 0) {
 			if (bp != NULL)
 				brelse(bp);
 			error =
 			    UFS_BLKATOFF(vdp, (off_t)i_offset, NULL, &bp);
 			if (error)
 				return (error);
 			entryoffsetinblock = 0;
 		}
 		/*
 		 * If still looking for a slot, and at a DIRBLKSIZE
 		 * boundary, have to start looking for free space again.
 		 */
 		if (slotstatus == NONE &&
 		    (entryoffsetinblock & (DIRBLKSIZ - 1)) == 0) {
 			slotoffset = -1;
 			slotfreespace = 0;
 		}
 		/*
 		 * Get pointer to next entry.
 		 * Full validation checks are slow, so we only check
 		 * enough to insure forward progress through the
 		 * directory. Complete checks can be run by patching
 		 * "dirchk" to be true.
 		 */
 		ep = (struct direct *)((char *)bp->b_data + entryoffsetinblock);
 		if (ep->d_reclen == 0 || ep->d_reclen >
 		    DIRBLKSIZ - (entryoffsetinblock & (DIRBLKSIZ - 1)) ||
 		    (dirchk && ufs_dirbadentry(vdp, ep, entryoffsetinblock))) {
 			int i;
 
 			ufs_dirbad(dp, i_offset, "mangled entry");
 			i = DIRBLKSIZ - (entryoffsetinblock & (DIRBLKSIZ - 1));
 			i_offset += i;
 			entryoffsetinblock += i;
 			continue;
 		}
 
 		/*
 		 * If an appropriate sized slot has not yet been found,
 		 * check to see if one is available. Also accumulate space
 		 * in the current block so that we can determine if
 		 * compaction is viable.
 		 */
 		if (slotstatus != FOUND) {
 			int size = ep->d_reclen;
 
 			if (ep->d_ino != 0)
 				size -= DIRSIZ(OFSFMT(vdp), ep);
 			if (size > 0) {
 				if (size >= slotneeded) {
 					slotstatus = FOUND;
 					slotoffset = i_offset;
 					slotsize = ep->d_reclen;
 				} else if (slotstatus == NONE) {
 					slotfreespace += size;
 					if (slotoffset == -1)
 						slotoffset = i_offset;
 					if (slotfreespace >= slotneeded) {
 						slotstatus = COMPACT;
 						slotsize = i_offset +
 						      ep->d_reclen - slotoffset;
 					}
 				}
 			}
 		}
 
 		/*
 		 * Check for a name match.
 		 */
 		if (ep->d_ino) {
 #			if (BYTE_ORDER == LITTLE_ENDIAN)
 				if (OFSFMT(vdp))
 					namlen = ep->d_type;
 				else
 					namlen = ep->d_namlen;
 #			else
 				namlen = ep->d_namlen;
 #			endif
 			if (namlen == cnp->cn_namelen &&
 				(cnp->cn_nameptr[0] == ep->d_name[0]) &&
 			    !bcmp(cnp->cn_nameptr, ep->d_name,
 				(unsigned)namlen)) {
 #ifdef UFS_DIRHASH
 foundentry:
 #endif
 				/*
 				 * Save directory entry's inode number and
 				 * reclen in ndp->ni_ufs area, and release
 				 * directory buffer.
 				 */
 				if (!OFSFMT(vdp) && ep->d_type == DT_WHT) {
 					slotstatus = FOUND;
 					slotoffset = i_offset;
 					slotsize = ep->d_reclen;
 					enduseful = dp->i_size;
 					cnp->cn_flags |= ISWHITEOUT;
 					numdirpasses--;
 					goto notfound;
 				}
 				ino = ep->d_ino;
 				goto found;
 			}
 		}
 		prevoff = i_offset;
 		i_offset += ep->d_reclen;
 		entryoffsetinblock += ep->d_reclen;
 		if (ep->d_ino)
 			enduseful = i_offset;
 	}
 notfound:
 	/*
 	 * If we started in the middle of the directory and failed
 	 * to find our target, we must check the beginning as well.
 	 */
 	if (numdirpasses == 2) {
 		numdirpasses--;
 		i_offset = 0;
 		endsearch = i_diroff;
 		goto searchloop;
 	}
 	if (bp != NULL)
 		brelse(bp);
 	/*
 	 * If creating, and at end of pathname and current
 	 * directory has not been removed, then can consider
 	 * allowing file to be created.
 	 */
 	if ((nameiop == CREATE || nameiop == RENAME ||
 	     (nameiop == DELETE &&
 	      (cnp->cn_flags & DOWHITEOUT) &&
 	      (cnp->cn_flags & ISWHITEOUT))) &&
 	    (flags & ISLASTCN) && dp->i_effnlink != 0) {
 		/*
 		 * Access for write is interpreted as allowing
 		 * creation of files in the directory.
 		 *
 		 * XXX: Fix the comment above.
 		 */
 		if (flags & WILLBEDIR)
 			error = VOP_ACCESSX(vdp, VWRITE | VAPPEND, cred, curthread);
 		else
 			error = VOP_ACCESS(vdp, VWRITE, cred, curthread);
 		if (error)
 			return (error);
 		/*
 		 * Return an indication of where the new directory
 		 * entry should be put.  If we didn't find a slot,
 		 * then set dp->i_count to 0 indicating
 		 * that the new slot belongs at the end of the
 		 * directory. If we found a slot, then the new entry
 		 * can be put in the range from dp->i_offset to
 		 * dp->i_offset + dp->i_count.
 		 */
 		if (slotstatus == NONE) {
 			SET_I_OFFSET(dp, roundup2(dp->i_size, DIRBLKSIZ));
 			SET_I_COUNT(dp, 0);
 			enduseful = I_OFFSET(dp);
 		} else if (nameiop == DELETE) {
 			SET_I_OFFSET(dp, slotoffset);
 			if ((I_OFFSET(dp) & (DIRBLKSIZ - 1)) == 0)
 				SET_I_COUNT(dp, 0);
 			else
 				SET_I_COUNT(dp, I_OFFSET(dp) - prevoff);
 		} else {
 			SET_I_OFFSET(dp, slotoffset);
 			SET_I_COUNT(dp, slotsize);
 			if (enduseful < slotoffset + slotsize)
 				enduseful = slotoffset + slotsize;
 		}
 		SET_I_ENDOFF(dp, roundup2(enduseful, DIRBLKSIZ));
 		/*
 		 * We return with the directory locked, so that
 		 * the parameters we set up above will still be
 		 * valid if we actually decide to do a direnter().
 		 * We return ni_vp == NULL to indicate that the entry
 		 * does not currently exist; we leave a pointer to
 		 * the (locked) directory inode in ndp->ni_dvp.
 		 *
 		 * NB - if the directory is unlocked, then this
 		 * information cannot be used.
 		 */
 		return (EJUSTRETURN);
 	}
 	/*
 	 * Insert name into cache (as non-existent) if appropriate.
 	 */
 	if ((cnp->cn_flags & MAKEENTRY) != 0)
 		cache_enter(vdp, NULL, cnp);
 	return (ENOENT);
 
 found:
 	if (dd_ino != NULL)
 		*dd_ino = ino;
 	if (numdirpasses == 2)
 		nchstats.ncs_pass2++;
 	/*
 	 * Check that directory length properly reflects presence
 	 * of this entry.
 	 */
 	if (i_offset + DIRSIZ(OFSFMT(vdp), ep) > dp->i_size) {
 		ufs_dirbad(dp, i_offset, "i_size too small");
 		brelse(bp);
 		return (EIO);
 	}
 	brelse(bp);
 
 	/*
 	 * Found component in pathname.
 	 * If the final component of path name, save information
 	 * in the cache as to where the entry was found.
 	 */
 	if ((flags & ISLASTCN) && nameiop == LOOKUP)
 		dp->i_diroff = rounddown2(i_offset, DIRBLKSIZ);
 
 	/*
 	 * If deleting, and at end of pathname, return
 	 * parameters which can be used to remove file.
 	 */
 	if (nameiop == DELETE && (flags & ISLASTCN)) {
 		if (flags & LOCKPARENT)
 			ASSERT_VOP_ELOCKED(vdp, __FUNCTION__);
 
 		if (VOP_ISLOCKED(vdp) == LK_EXCLUSIVE) {
 			/*
 			 * Return pointer to current entry in
 			 * dp->i_offset, and distance past previous
 			 * entry (if there is a previous entry in this
 			 * block) in dp->i_count.
 			 *
 			 * We shouldn't be setting these in the
 			 * WANTPARENT case (first lookup in rename()), but any
 			 * lookups that will result in directory changes will
 			 * overwrite these.
 			 */
 			SET_I_OFFSET(dp, i_offset);
 			if ((I_OFFSET(dp) & (DIRBLKSIZ - 1)) == 0)
 				SET_I_COUNT(dp, 0);
 			else
 				SET_I_COUNT(dp, I_OFFSET(dp) - prevoff);
 		}
 		if (dd_ino != NULL)
 			return (0);
 
 		/*
 		 * Save directory inode pointer in ndp->ni_dvp for
 		 * dirremove().
 		 */
 		if ((error = VFS_VGET(vdp->v_mount, ino,
 		    LK_EXCLUSIVE, &tdp)) != 0)
 			return (error);
 		error = ufs_delete_denied(vdp, tdp, cred, curthread);
 		if (error) {
 			vput(tdp);
 			return (error);
 		}
 		if (dp->i_number == ino) {
-			VREF(vdp);
+			vref(vdp);
 			*vpp = vdp;
 			vput(tdp);
 			return (0);
 		}
 
 		*vpp = tdp;
 		return (0);
 	}
 
 	/*
 	 * If rewriting (RENAME), return the inode and the
 	 * information required to rewrite the present directory
 	 * Must get inode of directory entry to verify it's a
 	 * regular file, or empty directory.
 	 */
 	if (nameiop == RENAME && (flags & ISLASTCN)) {
 		if (flags & WILLBEDIR)
 			error = VOP_ACCESSX(vdp, VWRITE | VAPPEND, cred, curthread);
 		else
 			error = VOP_ACCESS(vdp, VWRITE, cred, curthread);
 		if (error)
 			return (error);
 		/*
 		 * Careful about locking second inode.
 		 * This can only occur if the target is ".".
 		 */
 		SET_I_OFFSET(dp, i_offset);
 		if (dp->i_number == ino)
 			return (EISDIR);
 		if (dd_ino != NULL)
 			return (0);
 		if ((error = VFS_VGET(vdp->v_mount, ino,
 		    LK_EXCLUSIVE, &tdp)) != 0)
 			return (error);
 
 		error = ufs_delete_denied(vdp, tdp, cred, curthread);
 		if (error) {
 			vput(tdp);
 			return (error);
 		}
 
 #ifdef SunOS_doesnt_do_that
 		/*
 		 * The only purpose of this check is to return the correct
 		 * error.  Assume that we want to rename directory "a"
 		 * to a file "b", and that we have no ACL_WRITE_DATA on
 		 * a containing directory, but we _do_ have ACL_APPEND_DATA. 
 		 * In that case, the VOP_ACCESS check above will return 0,
 		 * and the operation will fail with ENOTDIR instead
 		 * of EACCESS.
 		 */
 		if (tdp->v_type == VDIR)
 			error = VOP_ACCESSX(vdp, VWRITE | VAPPEND, cred, curthread);
 		else
 			error = VOP_ACCESS(vdp, VWRITE, cred, curthread);
 		if (error) {
 			vput(tdp);
 			return (error);
 		}
 #endif
 
 		*vpp = tdp;
 		return (0);
 	}
 	if (dd_ino != NULL)
 		return (0);
 
 	/*
 	 * Step through the translation in the name.  We do not `vput' the
 	 * directory because we may need it again if a symbolic link
 	 * is relative to the current directory.  Instead we save it
 	 * unlocked as "pdp".  We must get the target inode before unlocking
 	 * the directory to insure that the inode will not be removed
 	 * before we get it.  We prevent deadlock by always fetching
 	 * inodes from the root, moving down the directory tree. Thus
 	 * when following backward pointers ".." we must unlock the
 	 * parent directory before getting the requested directory.
 	 * There is a potential race condition here if both the current
 	 * and parent directories are removed before the VFS_VGET for the
 	 * inode associated with ".." returns.  We hope that this occurs
 	 * infrequently since we cannot avoid this race condition without
 	 * implementing a sophisticated deadlock detection algorithm.
 	 * Note also that this simple deadlock detection scheme will not
 	 * work if the filesystem has any hard links other than ".."
 	 * that point backwards in the directory structure.
 	 */
 	pdp = vdp;
 	if (flags & ISDOTDOT) {
 		error = vn_vget_ino(pdp, ino, cnp->cn_lkflags, &tdp);
 		if (error)
 			return (error);
 
 		/*
 		 * Recheck that ".." entry in the vdp directory points
 		 * to the inode we looked up before vdp lock was
 		 * dropped.
 		 */
 		error = ufs_lookup_ino(pdp, NULL, cnp, &ino1);
 		if (error) {
 			vput(tdp);
 			return (error);
 		}
 		if (ino1 != ino) {
 			vput(tdp);
 			goto restart;
 		}
 
 		*vpp = tdp;
 	} else if (dp->i_number == ino) {
-		VREF(vdp);	/* we want ourself, ie "." */
+		vref(vdp);	/* we want ourself, ie "." */
 		/*
 		 * When we lookup "." we still can be asked to lock it
 		 * differently.
 		 */
 		ltype = cnp->cn_lkflags & LK_TYPE_MASK;
 		if (ltype != VOP_ISLOCKED(vdp)) {
 			if (ltype == LK_EXCLUSIVE)
 				vn_lock(vdp, LK_UPGRADE | LK_RETRY);
 			else /* if (ltype == LK_SHARED) */
 				vn_lock(vdp, LK_DOWNGRADE | LK_RETRY);
 			/*
 			 * Relock for the "." case may left us with
 			 * reclaimed vnode.
 			 */
 			if (VN_IS_DOOMED(vdp)) {
 				vrele(vdp);
 				return (ENOENT);
 			}
 		}
 		*vpp = vdp;
 	} else {
 		error = VFS_VGET(pdp->v_mount, ino, cnp->cn_lkflags, &tdp);
 		if (error == 0 && VTOI(tdp)->i_mode == 0) {
 			vgone(tdp);
 			vput(tdp);
 			error = ENOENT;
 		}
 		if (error)
 			return (error);
 		*vpp = tdp;
 	}
 
 	/*
 	 * Insert name into cache if appropriate.
 	 */
 	if (cnp->cn_flags & MAKEENTRY)
 		cache_enter(vdp, *vpp, cnp);
 	return (0);
 }
 
 void
 ufs_dirbad(struct inode *ip, doff_t offset, char *how)
 {
 
 	(void)printf("%s: bad dir ino %ju at offset %ld: %s\n",
 	    ITOV(ip)->v_mount->mnt_stat.f_mntonname, (uintmax_t)ip->i_number,
 	    (long)offset, how);
 }
 
 /*
  * Do consistency checking on a directory entry:
  *	record length must be multiple of 4
  *	entry must fit in rest of its DIRBLKSIZ block
  *	record must be large enough to contain entry
  *	name is not longer than UFS_MAXNAMLEN
  *	name must be as long as advertised, and null terminated
  */
 int
 ufs_dirbadentry(struct vnode *dp, struct direct *ep, int entryoffsetinblock)
 {
 	int i, namlen;
 
 #	if (BYTE_ORDER == LITTLE_ENDIAN)
 		if (OFSFMT(dp))
 			namlen = ep->d_type;
 		else
 			namlen = ep->d_namlen;
 #	else
 		namlen = ep->d_namlen;
 #	endif
 	if ((ep->d_reclen & 0x3) != 0 ||
 	    ep->d_reclen > DIRBLKSIZ - (entryoffsetinblock & (DIRBLKSIZ - 1)) ||
 	    ep->d_reclen < DIRSIZ(OFSFMT(dp), ep) || namlen > UFS_MAXNAMLEN) {
 		/*return (1); */
 		printf("First bad\n");
 		goto bad;
 	}
 	if (ep->d_ino == 0)
 		return (0);
 	for (i = 0; i < namlen; i++)
 		if (ep->d_name[i] == '\0') {
 			/*return (1); */
 			printf("Second bad\n");
 			goto bad;
 		}
 	if (ep->d_name[i])
 		goto bad;
 	return (0);
 bad:
 	return (1);
 }
 
 /*
  * Construct a new directory entry after a call to namei, using the
  * parameters that it left in the componentname argument cnp. The
  * argument ip is the inode to which the new directory entry will refer.
  */
 void
 ufs_makedirentry(struct inode *ip, struct componentname *cnp,
     struct direct *newdirp)
 {
 	uint64_t namelen;
 
 	namelen = (unsigned)cnp->cn_namelen;
 	KASSERT(namelen <= UFS_MAXNAMLEN,
 		("ufs_makedirentry: name too long"));
 	newdirp->d_ino = ip->i_number;
 	newdirp->d_namlen = namelen;
 
 	/* Zero out after-name padding */
 	*(uint32_t *)(&newdirp->d_name[namelen & ~(DIR_ROUNDUP - 1)]) = 0;
 
 	bcopy(cnp->cn_nameptr, newdirp->d_name, namelen);
 
 	if (!OFSFMT(ITOV(ip)))
 		newdirp->d_type = IFTODT(ip->i_mode);
 	else {
 		newdirp->d_type = 0;
 #		if (BYTE_ORDER == LITTLE_ENDIAN)
 			{ uint8_t tmp = newdirp->d_namlen;
 			newdirp->d_namlen = newdirp->d_type;
 			newdirp->d_type = tmp; }
 #		endif
 	}
 }
 
 /*
  * Write a directory entry after a call to namei, using the parameters
  * that it left in nameidata. The argument dirp is the new directory
  * entry contents. Dvp is a pointer to the directory to be written,
  * which was left locked by namei. Remaining parameters (dp->i_offset, 
  * dp->i_count) indicate how the space for the new entry is to be obtained.
  * Non-null bp indicates that a directory is being created (for the
  * soft dependency code).
  */
 int
 ufs_direnter(struct vnode *dvp, struct vnode *tvp, struct direct *dirp,
     struct componentname *cnp, struct buf *newdirbp)
 {
 	struct ucred *cr;
 	struct thread *td;
 	int newentrysize;
 	struct inode *dp;
 	struct buf *bp;
 	uint64_t dsize;
 	struct direct *ep, *nep;
 	uint64_t old_isize;
 	int error, ret, blkoff, loc, spacefree, flags, namlen;
 	char *dirbuf;
 
 	td = curthread;	/* XXX */
 	cr = td->td_ucred;
 
 	dp = VTOI(dvp);
 	newentrysize = DIRSIZ(OFSFMT(dvp), dirp);
 
 	if (I_COUNT(dp) == 0) {
 		/*
 		 * If dp->i_count is 0, then namei could find no
 		 * space in the directory. Here, dp->i_offset will
 		 * be on a directory block boundary and we will write the
 		 * new entry into a fresh block.
 		 */
 		if (I_OFFSET(dp) & (DIRBLKSIZ - 1))
 			panic("ufs_direnter: newblk");
 		flags = BA_CLRBUF;
 		if (!DOINGSOFTDEP(dvp) && !DOINGASYNC(dvp))
 			flags |= IO_SYNC;
 #ifdef QUOTA
 		if ((error = getinoquota(dp)) != 0) {
 			if (DOINGSOFTDEP(dvp) && newdirbp != NULL)
 				bdwrite(newdirbp);
 			return (error);
 		}
 #endif
 		old_isize = dp->i_size;
 		vnode_pager_setsize(dvp,
 		    (vm_ooffset_t)I_OFFSET(dp) + DIRBLKSIZ);
 		if ((error = UFS_BALLOC(dvp, (off_t)I_OFFSET(dp), DIRBLKSIZ,
 		    cr, flags, &bp)) != 0) {
 			if (DOINGSOFTDEP(dvp) && newdirbp != NULL)
 				bdwrite(newdirbp);
 			vnode_pager_setsize(dvp, (vm_ooffset_t)old_isize);
 			return (error);
 		}
 		dp->i_size = I_OFFSET(dp) + DIRBLKSIZ;
 		DIP_SET(dp, i_size, dp->i_size);
 		SET_I_ENDOFF(dp, dp->i_size);
 		UFS_INODE_SET_FLAG(dp, IN_SIZEMOD | IN_CHANGE | IN_UPDATE);
 		dirp->d_reclen = DIRBLKSIZ;
 		blkoff = I_OFFSET(dp) &
 		    (VFSTOUFS(dvp->v_mount)->um_mountp->mnt_stat.f_iosize - 1);
 		bcopy((caddr_t)dirp, (caddr_t)bp->b_data + blkoff,newentrysize);
 #ifdef UFS_DIRHASH
 		if (dp->i_dirhash != NULL) {
 			ufsdirhash_newblk(dp, I_OFFSET(dp));
 			ufsdirhash_add(dp, dirp, I_OFFSET(dp));
 			ufsdirhash_checkblock(dp, (char *)bp->b_data + blkoff,
 			    I_OFFSET(dp));
 		}
 #endif
 		if (DOINGSOFTDEP(dvp)) {
 			/*
 			 * Ensure that the entire newly allocated block is a
 			 * valid directory so that future growth within the
 			 * block does not have to ensure that the block is
 			 * written before the inode.
 			 */
 			blkoff += DIRBLKSIZ;
 			while (blkoff < bp->b_bcount) {
 				((struct direct *)
 				   (bp->b_data + blkoff))->d_reclen = DIRBLKSIZ;
 				blkoff += DIRBLKSIZ;
 			}
 			if (softdep_setup_directory_add(bp, dp, I_OFFSET(dp),
 			    dirp->d_ino, newdirbp, 1))
 				UFS_INODE_SET_FLAG(dp, IN_NEEDSYNC);
 			if (newdirbp)
 				bdwrite(newdirbp);
 			bdwrite(bp);
 			return (UFS_UPDATE(dvp, 0));
 		}
 		if (DOINGASYNC(dvp)) {
 			bdwrite(bp);
 			return (UFS_UPDATE(dvp, 0));
 		}
 		error = bwrite(bp);
 		ret = UFS_UPDATE(dvp, 1);
 		if (error == 0)
 			return (ret);
 		return (error);
 	}
 
 	/*
 	 * If dp->i_count is non-zero, then namei found space for the new
 	 * entry in the range dp->i_offset to dp->i_offset + dp->i_count
 	 * in the directory. To use this space, we may have to compact
 	 * the entries located there, by copying them together towards the
 	 * beginning of the block, leaving the free space in one usable
 	 * chunk at the end.
 	 */
 
 	/*
 	 * Increase size of directory if entry eats into new space.
 	 * This should never push the size past a new multiple of
 	 * DIRBLKSIZE.
 	 *
 	 * N.B. - THIS IS AN ARTIFACT OF 4.2 AND SHOULD NEVER HAPPEN.
 	 */
 	if (I_OFFSET(dp) + I_COUNT(dp) > dp->i_size) {
 		dp->i_size = I_OFFSET(dp) + I_COUNT(dp);
 		DIP_SET(dp, i_size, dp->i_size);
 		UFS_INODE_SET_FLAG(dp, IN_SIZEMOD | IN_MODIFIED);
 	}
 	/*
 	 * Get the block containing the space for the new directory entry.
 	 */
 	error = UFS_BLKATOFF(dvp, (off_t)I_OFFSET(dp), &dirbuf, &bp);
 	if (error) {
 		if (DOINGSOFTDEP(dvp) && newdirbp != NULL)
 			bdwrite(newdirbp);
 		return (error);
 	}
 	/*
 	 * Find space for the new entry. In the simple case, the entry at
 	 * offset base will have the space. If it does not, then namei
 	 * arranged that compacting the region dp->i_offset to
 	 * dp->i_offset + dp->i_count would yield the space.
 	 */
 	ep = (struct direct *)dirbuf;
 	dsize = ep->d_ino ? DIRSIZ(OFSFMT(dvp), ep) : 0;
 	spacefree = ep->d_reclen - dsize;
 	for (loc = ep->d_reclen; loc < I_COUNT(dp); ) {
 		nep = (struct direct *)(dirbuf + loc);
 
 		/* Trim the existing slot (NB: dsize may be zero). */
 		ep->d_reclen = dsize;
 		ep = (struct direct *)((char *)ep + dsize);
 
 		/* Read nep->d_reclen now as the bcopy() may clobber it. */
 		loc += nep->d_reclen;
 		if (nep->d_ino == 0) {
 			/*
 			 * A mid-block unused entry. Such entries are
 			 * never created by the kernel, but fsck_ffs
 			 * can create them (and it doesn't fix them).
 			 *
 			 * Add up the free space, and initialise the
 			 * relocated entry since we don't bcopy it.
 			 */
 			spacefree += nep->d_reclen;
 			ep->d_ino = 0;
 			dsize = 0;
 			continue;
 		}
 		dsize = DIRSIZ(OFSFMT(dvp), nep);
 		spacefree += nep->d_reclen - dsize;
 #ifdef UFS_DIRHASH
 		if (dp->i_dirhash != NULL)
 			ufsdirhash_move(dp, nep,
 			    I_OFFSET(dp) + ((char *)nep - dirbuf),
 			    I_OFFSET(dp) + ((char *)ep - dirbuf));
 #endif
 		if (DOINGSOFTDEP(dvp))
 			softdep_change_directoryentry_offset(bp, dp, dirbuf,
 			    (caddr_t)nep, (caddr_t)ep, dsize); 
 		else
 			bcopy((caddr_t)nep, (caddr_t)ep, dsize);
 	}
 	/*
 	 * Here, `ep' points to a directory entry containing `dsize' in-use
 	 * bytes followed by `spacefree' unused bytes. If ep->d_ino == 0,
 	 * then the entry is completely unused (dsize == 0). The value
 	 * of ep->d_reclen is always indeterminate.
 	 *
 	 * Update the pointer fields in the previous entry (if any),
 	 * copy in the new entry, and write out the block.
 	 */
 #	if (BYTE_ORDER == LITTLE_ENDIAN)
 		if (OFSFMT(dvp))
 			namlen = ep->d_type;
 		else
 			namlen = ep->d_namlen;
 #	else
 		namlen = ep->d_namlen;
 #	endif
 	if (ep->d_ino == 0 ||
 	    (ep->d_ino == UFS_WINO && namlen == dirp->d_namlen &&
 	     bcmp(ep->d_name, dirp->d_name, dirp->d_namlen) == 0)) {
 		if (spacefree + dsize < newentrysize)
 			panic("ufs_direnter: compact1");
 		dirp->d_reclen = spacefree + dsize;
 	} else {
 		if (spacefree < newentrysize)
 			panic("ufs_direnter: compact2");
 		dirp->d_reclen = spacefree;
 		ep->d_reclen = dsize;
 		ep = (struct direct *)((char *)ep + dsize);
 	}
 #ifdef UFS_DIRHASH
 	if (dp->i_dirhash != NULL && (ep->d_ino == 0 ||
 	    dirp->d_reclen == spacefree))
 		ufsdirhash_add(dp, dirp, I_OFFSET(dp) + ((char *)ep - dirbuf));
 #endif
 	bcopy((caddr_t)dirp, (caddr_t)ep, (uint64_t)newentrysize);
 #ifdef UFS_DIRHASH
 	if (dp->i_dirhash != NULL)
 		ufsdirhash_checkblock(dp, dirbuf -
 		    (I_OFFSET(dp) & (DIRBLKSIZ - 1)),
 		    rounddown2(I_OFFSET(dp), DIRBLKSIZ));
 #endif
 
 	if (DOINGSOFTDEP(dvp)) {
 		(void) softdep_setup_directory_add(bp, dp,
 		    I_OFFSET(dp) + (caddr_t)ep - dirbuf,
 		    dirp->d_ino, newdirbp, 0);
 		if (newdirbp != NULL)
 			bdwrite(newdirbp);
 		bdwrite(bp);
 	} else {
 		if (DOINGASYNC(dvp)) {
 			bdwrite(bp);
 			error = 0;
 		} else {
 			error = bwrite(bp);
 		}
 	}
 
 	/*
 	 * If all went well, and the directory can be shortened,
 	 * mark directory inode with the truncation request.
 	 */
 	UFS_INODE_SET_FLAG(dp, IN_CHANGE | IN_UPDATE | (error == 0 &&
 	    I_ENDOFF(dp) != 0 && I_ENDOFF(dp) < dp->i_size ? IN_ENDOFF : 0));
 
 	return (error);
 }
 
 /*
  * Remove a directory entry after a call to namei, using
  * the parameters which it left in nameidata. The entry
  * dp->i_offset contains the offset into the directory of the
  * entry to be eliminated.  The dp->i_count field contains the
  * size of the previous record in the directory.  If this
  * is 0, the first entry is being deleted, so we need only
  * zero the inode number to mark the entry as free.  If the
  * entry is not the first in the directory, we must reclaim
  * the space of the now empty record by adding the record size
  * to the size of the previous entry.
  */
 int
 ufs_dirremove(struct vnode *dvp, struct inode *ip, int flags, bool isrmdir)
 {
 	struct inode *dp;
 	struct direct *ep, *rep;
 	struct buf *bp;
 	off_t offset;
 	int error;
 
 	dp = VTOI(dvp);
 
 	/*
 	 * Adjust the link count early so softdep can block if necessary.
 	 */
 	if (ip) {
 		ip->i_effnlink--;
 		UFS_INODE_SET_FLAG(ip, IN_CHANGE);
 		if (DOINGSOFTDEP(dvp)) {
 			softdep_setup_unlink(dp, ip);
 		} else {
 			ip->i_nlink--;
 			DIP_SET_NLINK(ip, ip->i_nlink);
 			UFS_INODE_SET_FLAG(ip, IN_CHANGE);
 		}
 	}
 	if (flags & DOWHITEOUT)
 		offset = I_OFFSET(dp);
 	else
 		offset = I_OFFSET(dp) - I_COUNT(dp);
 	if ((error = UFS_BLKATOFF(dvp, offset, (char **)&ep, &bp)) != 0) {
 		if (ip) {
 			ip->i_effnlink++;
 			UFS_INODE_SET_FLAG(ip, IN_CHANGE);
 			if (DOINGSOFTDEP(dvp)) {
 				softdep_change_linkcnt(ip);
 			} else {
 				ip->i_nlink++;
 				DIP_SET_NLINK(ip, ip->i_nlink);
 				UFS_INODE_SET_FLAG(ip, IN_CHANGE);
 			}
 		}
 		return (error);
 	}
 	if (flags & DOWHITEOUT) {
 		/*
 		 * Whiteout entry: set d_ino to UFS_WINO.
 		 */
 		ep->d_ino = UFS_WINO;
 		ep->d_type = DT_WHT;
 		goto out;
 	}
 	/* Set 'rep' to the entry being removed. */
 	if (I_COUNT(dp) == 0)
 		rep = ep;
 	else
 		rep = (struct direct *)((char *)ep + ep->d_reclen);
 #ifdef UFS_DIRHASH
 	/*
 	 * Remove the dirhash entry. This is complicated by the fact
 	 * that `ep' is the previous entry when dp->i_count != 0.
 	 */
 	if (dp->i_dirhash != NULL)
 		ufsdirhash_remove(dp, rep, I_OFFSET(dp));
 #endif
 	if (ip && rep->d_ino != ip->i_number)
 		panic("ufs_dirremove: ip %ju does not match dirent ino %ju\n",
 		    (uintmax_t)ip->i_number, (uintmax_t)rep->d_ino);
 	/*
 	 * Zero out the file directory entry metadata to reduce disk
 	 * scavenging disclosure.
 	 */
 	bzero(&rep->d_name[0], rep->d_namlen);
 	rep->d_namlen = 0;
 	rep->d_type = 0;
 	rep->d_ino = 0;
 
 	if (I_COUNT(dp) != 0) {
 		/*
 		 * Collapse new free space into previous entry.
 		 */
 		ep->d_reclen += rep->d_reclen;
 		rep->d_reclen = 0;
 	}
 #ifdef UFS_DIRHASH
 	if (dp->i_dirhash != NULL)
 		ufsdirhash_checkblock(dp, (char *)ep -
 		    ((I_OFFSET(dp) - I_COUNT(dp)) & (DIRBLKSIZ - 1)),
 		    rounddown2(I_OFFSET(dp), DIRBLKSIZ));
 #endif
 out:
 	error = 0;
 	if (DOINGSOFTDEP(dvp)) {
 		if (ip)
 			softdep_setup_remove(bp, dp, ip, isrmdir);
 		if (softdep_slowdown(dvp))
 			error = bwrite(bp);
 		else
 			bdwrite(bp);
 	} else {
 		if (flags & DOWHITEOUT)
 			error = bwrite(bp);
 		else if (DOINGASYNC(dvp))
 			bdwrite(bp);
 		else
 			error = bwrite(bp);
 	}
 	UFS_INODE_SET_FLAG(dp, IN_CHANGE | IN_UPDATE);
 	/*
 	 * If the last named reference to a snapshot goes away,
 	 * drop its snapshot reference so that it will be reclaimed
 	 * when last open reference goes away.
 	 */
 	if (ip != NULL && IS_SNAPSHOT(ip) && ip->i_effnlink == 0)
 		UFS_SNAPGONE(ip);
 	return (error);
 }
 
 /*
  * Rewrite an existing directory entry to point at the inode
  * supplied.  The parameters describing the directory entry are
  * set up by a call to namei.
  */
 int
 ufs_dirrewrite(struct inode *dp, struct inode *oip, ino_t newinum, int newtype,
     u_int newparent)
 {
 	struct buf *bp;
 	struct direct *ep;
 	struct vnode *vdp = ITOV(dp);
 	int error;
 
 	/*
 	 * Drop the link before we lock the buf so softdep can block if
 	 * necessary.
 	 */
 	oip->i_effnlink--;
 	UFS_INODE_SET_FLAG(oip, IN_CHANGE);
 	if (DOINGSOFTDEP(vdp)) {
 		softdep_setup_unlink(dp, oip);
 	} else {
 		oip->i_nlink--;
 		DIP_SET_NLINK(oip, oip->i_nlink);
 		UFS_INODE_SET_FLAG(oip, IN_CHANGE);
 	}
 
 	error = UFS_BLKATOFF(vdp, (off_t)I_OFFSET(dp), (char **)&ep, &bp);
 	if (error == 0 && ep->d_namlen == 2 && ep->d_name[1] == '.' &&
 	    ep->d_name[0] == '.' && ep->d_ino != oip->i_number) {
 		brelse(bp);
 		error = EIDRM;
 	}
 	if (error) {
 		oip->i_effnlink++;
 		UFS_INODE_SET_FLAG(oip, IN_CHANGE);
 		if (DOINGSOFTDEP(vdp)) {
 			softdep_change_linkcnt(oip);
 		} else {
 			oip->i_nlink++;
 			DIP_SET_NLINK(oip, oip->i_nlink);
 			UFS_INODE_SET_FLAG(oip, IN_CHANGE);
 		}
 		return (error);
 	}
 	ep->d_ino = newinum;
 	if (!OFSFMT(vdp))
 		ep->d_type = newtype;
 	if (DOINGSOFTDEP(vdp)) {
 		softdep_setup_directory_change(bp, dp, oip, newinum,
 		    newparent);
 		bdwrite(bp);
 	} else {
 		if (DOINGASYNC(vdp)) {
 			bdwrite(bp);
 			error = 0;
 		} else {
 			error = bwrite(bp);
 		}
 	}
 	UFS_INODE_SET_FLAG(dp, IN_CHANGE | IN_UPDATE);
 	/*
 	 * If the last named reference to a snapshot goes away,
 	 * drop its snapshot reference so that it will be reclaimed
 	 * when last open reference goes away.
 	 */
 	if (IS_SNAPSHOT(oip) && oip->i_effnlink == 0)
 		UFS_SNAPGONE(oip);
 	return (error);
 }
 
 /*
  * Check if a directory is empty or not.
  * Inode supplied must be locked.
  *
  * Using a struct dirtemplate here is not precisely
  * what we want, but better than using a struct direct.
  *
  * NB: does not handle corrupted directories.
  */
 int
 ufs_dirempty(struct inode *ip, ino_t parentino, struct ucred *cred,
     int skipwhiteout)
 {
 	doff_t off;
 	struct dirtemplate dbuf;
 	struct direct *dp = (struct direct *)&dbuf;
 	int error, namlen;
 	ssize_t count;
 #define	MINDIRSIZ (sizeof (struct dirtemplate) / 2)
 
 	for (off = 0; off < ip->i_size; off += dp->d_reclen) {
 		error = vn_rdwr(UIO_READ, ITOV(ip), (caddr_t)dp, MINDIRSIZ,
 		    off, UIO_SYSSPACE, IO_NODELOCKED | IO_NOMACCHECK, cred,
 		    NOCRED, &count, (struct thread *)0);
 		/*
 		 * Since we read MINDIRSIZ, residual must
 		 * be 0 unless we're at end of file.
 		 */
 		if (error || count != 0)
 			return (0);
 		/* avoid infinite loops */
 		if (dp->d_reclen == 0)
 			return (0);
 		/* skip empty entries */
 		if (dp->d_ino == 0 ||
 		    (skipwhiteout != 0 && dp->d_ino == UFS_WINO))
 			continue;
 		/* accept only "." and ".." */
 #		if (BYTE_ORDER == LITTLE_ENDIAN)
 			if (OFSFMT(ITOV(ip)))
 				namlen = dp->d_type;
 			else
 				namlen = dp->d_namlen;
 #		else
 			namlen = dp->d_namlen;
 #		endif
 		if (namlen > 2)
 			return (0);
 		if (dp->d_name[0] != '.')
 			return (0);
 		/*
 		 * At this point namlen must be 1 or 2.
 		 * 1 implies ".", 2 implies ".." if second
 		 * char is also "."
 		 */
 		if (namlen == 1 && dp->d_ino == ip->i_number)
 			continue;
 		if (dp->d_name[1] == '.' && dp->d_ino == parentino)
 			continue;
 		return (0);
 	}
 	return (1);
 }
 
 static int
 ufs_dir_dd_ino(struct vnode *vp, struct ucred *cred, ino_t *dd_ino,
     struct vnode **dd_vp)
 {
 	struct dirtemplate dirbuf;
 	struct vnode *ddvp;
 	int error, namlen;
 
 	ASSERT_VOP_LOCKED(vp, "ufs_dir_dd_ino");
 	*dd_vp = NULL;
 	if (vp->v_type != VDIR)
 		return (ENOTDIR);
 	/*
 	 * First check to see if we have it in the name cache.
 	 */
 	if ((ddvp = vn_dir_dd_ino(vp)) != NULL) {
 		KASSERT(ddvp->v_mount == vp->v_mount,
 		    ("ufs_dir_dd_ino: Unexpected mount point crossing"));
 		*dd_ino = VTOI(ddvp)->i_number;
 		*dd_vp = ddvp;
 		return (0);
 	}
 	/*
 	 * Have to read the directory.
 	 */
 	error = vn_rdwr(UIO_READ, vp, (caddr_t)&dirbuf,
 	    sizeof (struct dirtemplate), (off_t)0, UIO_SYSSPACE,
 	    IO_NODELOCKED | IO_NOMACCHECK, cred, NOCRED, NULL, NULL);
 	if (error != 0)
 		return (error);
 #if (BYTE_ORDER == LITTLE_ENDIAN)
 	if (OFSFMT(vp))
 		namlen = dirbuf.dotdot_type;
 	else
 		namlen = dirbuf.dotdot_namlen;
 #else
 	namlen = dirbuf.dotdot_namlen;
 #endif
 	if (namlen != 2 || dirbuf.dotdot_name[0] != '.' ||
 	    dirbuf.dotdot_name[1] != '.')
 		return (ENOTDIR);
 	*dd_ino = dirbuf.dotdot_ino;
 	return (0);
 }
 
 /*
  * Check if source directory is in the path of the target directory.
  */
 int
 ufs_checkpath(ino_t source_ino, ino_t parent_ino, struct inode *target,
     struct ucred *cred, ino_t *wait_ino)
 {
 	struct mount *mp;
 	struct vnode *tvp, *vp, *vp1;
 	int error;
 	ino_t dd_ino;
 
 	vp = tvp = ITOV(target);
 	mp = vp->v_mount;
 	*wait_ino = 0;
 
 	if (target->i_number == source_ino)
 		return (EEXIST);
 	if (target->i_number == parent_ino)
 		return (0);
 	if (target->i_number == UFS_ROOTINO)
 		return (0);
 	for (;;) {
 		error = ufs_dir_dd_ino(vp, cred, &dd_ino, &vp1);
 		if (error != 0)
 			break;
 		if (dd_ino == source_ino) {
 			error = EINVAL;
 			break;
 		}
 		if (dd_ino == UFS_ROOTINO)
 			break;
 		if (dd_ino == parent_ino)
 			break;
 		if (vp1 == NULL) {
 			error = VFS_VGET(mp, dd_ino, LK_SHARED | LK_NOWAIT,
 			    &vp1);
 			if (error != 0) {
 				*wait_ino = dd_ino;
 				break;
 			}
 		}
 		KASSERT(dd_ino == VTOI(vp1)->i_number,
 		    ("directory %ju reparented\n",
 		    (uintmax_t)VTOI(vp1)->i_number));
 		if (vp != tvp)
 			vput(vp);
 		vp = vp1;
 	}
 
 	if (error == ENOTDIR)
 		panic("checkpath: .. not a directory\n");
 	if (vp1 != NULL)
 		vput(vp1);
 	if (vp != tvp)
 		vput(vp);
 	return (error);
 }
 
 #ifdef DIAGNOSTIC
 static void
 ufs_assert_inode_offset_owner(struct inode *ip, struct iown_tracker *tr,
     const char *name, const char *file, int line)
 {
 	char msg[128];
 
 	snprintf(msg, sizeof(msg), "at %s@%d", file, line);
 	ASSERT_VOP_ELOCKED(ITOV(ip), msg);
 	MPASS((ip->i_mode & IFMT) == IFDIR);
 	if (curthread == tr->tr_owner && ip->i_lock_gen == tr->tr_gen)
 		return;
 	printf("locked at\n");
 	stack_print(&tr->tr_st);
 	printf("unlocked at\n");
 	stack_print(&tr->tr_unlock);
 	panic("%s ip %p %jd offset owner %p %d gen %d "
 	    "curthread %p %d gen %d at %s@%d\n",
 	    name, ip, (uintmax_t)ip->i_number, tr->tr_owner,
 	    tr->tr_owner->td_tid, tr->tr_gen,
 	    curthread, curthread->td_tid, ip->i_lock_gen,
 	    file, line);
 }
 
 static void
 ufs_set_inode_offset_owner(struct inode *ip, struct iown_tracker *tr,
     const char *file, int line)
 {
 	char msg[128];
 
 	snprintf(msg, sizeof(msg), "at %s@%d", file, line);
 	ASSERT_VOP_ELOCKED(ITOV(ip), msg);
 	MPASS((ip->i_mode & IFMT) == IFDIR);
 	tr->tr_owner = curthread;
 	tr->tr_gen = ip->i_lock_gen;
 	stack_save(&tr->tr_st);
 }
 
 static void
 ufs_init_one_tracker(struct iown_tracker *tr)
 {
 	tr->tr_owner = NULL;
 	stack_zero(&tr->tr_st);
 }
 
 void
 ufs_init_trackers(struct inode *ip)
 {
 	ufs_init_one_tracker(&ip->i_offset_tracker);
 	ufs_init_one_tracker(&ip->i_count_tracker);
 	ufs_init_one_tracker(&ip->i_endoff_tracker);
 }
 
 void
 ufs_unlock_tracker(struct inode *ip)
 {
 	if (ip->i_count_tracker.tr_gen == ip->i_lock_gen)
 		stack_save(&ip->i_count_tracker.tr_unlock);
 	if (ip->i_offset_tracker.tr_gen == ip->i_lock_gen)
 		stack_save(&ip->i_offset_tracker.tr_unlock);
 	if (ip->i_endoff_tracker.tr_gen == ip->i_lock_gen)
 		stack_save(&ip->i_endoff_tracker.tr_unlock);
 	ip->i_lock_gen++;
 }
 
 doff_t
 ufs_get_i_offset(struct inode *ip, const char *file, int line)
 {
 	ufs_assert_inode_offset_owner(ip, &ip->i_offset_tracker, "i_offset",
 	    file, line);
 	return (ip->i_offset);
 }
 
 void
 ufs_set_i_offset(struct inode *ip, doff_t off, const char *file, int line)
 {
 	ufs_set_inode_offset_owner(ip, &ip->i_offset_tracker, file, line);
 	ip->i_offset = off;
 }
 
 int32_t
 ufs_get_i_count(struct inode *ip, const char *file, int line)
 {
 	ufs_assert_inode_offset_owner(ip, &ip->i_count_tracker, "i_count",
 	    file, line);
 	return (ip->i_count);
 }
 
 void
 ufs_set_i_count(struct inode *ip, int32_t cnt, const char *file, int line)
 {
 	ufs_set_inode_offset_owner(ip, &ip->i_count_tracker, file, line);
 	ip->i_count = cnt;
 }
 
 doff_t
 ufs_get_i_endoff(struct inode *ip, const char *file, int line)
 {
 	ufs_assert_inode_offset_owner(ip, &ip->i_endoff_tracker, "i_endoff",
 	    file, line);
 	return (ip->i_endoff);
 }
 
 void
 ufs_set_i_endoff(struct inode *ip, doff_t off, const char *file, int line)
 {
 	ufs_set_inode_offset_owner(ip, &ip->i_endoff_tracker, file, line);
 	ip->i_endoff = off;
 }
 
 #endif