diff --git a/include/os/freebsd/Makefile.am b/include/os/freebsd/Makefile.am index d4103c2f062a..292f79b8ce72 100644 --- a/include/os/freebsd/Makefile.am +++ b/include/os/freebsd/Makefile.am @@ -1,94 +1,93 @@ noinst_HEADERS = \ %D%/linux/compiler.h \ %D%/linux/types.h \ \ %D%/spl/acl/acl_common.h \ \ %D%/spl/sys/ia32/asm_linkage.h \ \ %D%/spl/sys/acl.h \ %D%/spl/sys/acl_impl.h \ %D%/spl/sys/atomic.h \ %D%/spl/sys/byteorder.h \ %D%/spl/sys/callb.h \ %D%/spl/sys/ccompat.h \ %D%/spl/sys/ccompile.h \ %D%/spl/sys/cmn_err.h \ %D%/spl/sys/condvar.h \ %D%/spl/sys/cred.h \ %D%/spl/sys/ctype.h \ %D%/spl/sys/debug.h \ %D%/spl/sys/dirent.h \ %D%/spl/sys/disp.h \ - %D%/spl/sys/dkio.h \ %D%/spl/sys/fcntl.h \ %D%/spl/sys/file.h \ %D%/spl/sys/freebsd_rwlock.h \ %D%/spl/sys/idmap.h \ %D%/spl/sys/inttypes.h \ %D%/spl/sys/isa_defs.h \ %D%/spl/sys/kmem.h \ %D%/spl/sys/kmem_cache.h \ %D%/spl/sys/kstat.h \ %D%/spl/sys/list.h \ %D%/spl/sys/list_impl.h \ %D%/spl/sys/lock.h \ %D%/spl/sys/misc.h \ %D%/spl/sys/mod_os.h \ %D%/spl/sys/mode.h \ %D%/spl/sys/mount.h \ %D%/spl/sys/mutex.h \ %D%/spl/sys/param.h \ %D%/spl/sys/policy.h \ %D%/spl/sys/proc.h \ %D%/spl/sys/processor.h \ %D%/spl/sys/procfs_list.h \ %D%/spl/sys/random.h \ %D%/spl/sys/rwlock.h \ %D%/spl/sys/sdt.h \ %D%/spl/sys/sid.h \ %D%/spl/sys/sig.h \ %D%/spl/sys/simd.h \ %D%/spl/sys/simd_aarch64.h \ %D%/spl/sys/simd_arm.h \ %D%/spl/sys/simd_powerpc.h \ %D%/spl/sys/simd_x86.h \ %D%/spl/sys/spl_condvar.h \ %D%/spl/sys/string.h \ %D%/spl/sys/sunddi.h \ %D%/spl/sys/sysmacros.h \ %D%/spl/sys/systeminfo.h \ %D%/spl/sys/systm.h \ %D%/spl/sys/taskq.h \ %D%/spl/sys/thread.h \ %D%/spl/sys/time.h \ %D%/spl/sys/timer.h \ %D%/spl/sys/trace.h \ %D%/spl/sys/trace_zfs.h \ %D%/spl/sys/types.h \ %D%/spl/sys/types32.h \ %D%/spl/sys/uio.h \ %D%/spl/sys/uuid.h \ %D%/spl/sys/vfs.h \ %D%/spl/sys/vm.h \ %D%/spl/sys/vmsystm.h \ %D%/spl/sys/vnode.h \ %D%/spl/sys/vnode_impl.h \ %D%/spl/sys/wmsum.h \ %D%/spl/sys/zmod.h \ %D%/spl/sys/zone.h \ \ %D%/zfs/sys/arc_os.h \ %D%/zfs/sys/freebsd_crypto.h \ %D%/zfs/sys/freebsd_event.h \ %D%/zfs/sys/vdev_os.h \ %D%/zfs/sys/zfs_bootenv_os.h \ %D%/zfs/sys/zfs_context_os.h \ %D%/zfs/sys/zfs_ctldir.h \ %D%/zfs/sys/zfs_dir.h \ %D%/zfs/sys/zfs_ioctl_compat.h \ %D%/zfs/sys/zfs_vfsops_os.h \ %D%/zfs/sys/zfs_vnops_os.h \ %D%/zfs/sys/zfs_znode_impl.h \ %D%/zfs/sys/zpl.h diff --git a/include/os/freebsd/spl/sys/dkio.h b/include/os/freebsd/spl/sys/dkio.h deleted file mode 100644 index cd747089d422..000000000000 --- a/include/os/freebsd/spl/sys/dkio.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or https://opensource.org/licenses/CDDL-1.0. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - * - * $FreeBSD$ - */ -/* - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#ifndef _OPENSOLARIS_SYS_DKIO_H_ -#define _OPENSOLARIS_SYS_DKIO_H_ - -#define DKIOC (0x04 << 8) -#define DKIOCFLUSHWRITECACHE (DKIOC|34) /* flush cache to phys medium */ - -#endif /* _OPENSOLARIS_SYS_DKIO_H_ */ diff --git a/include/os/linux/Makefile.am b/include/os/linux/Makefile.am index 332569efe361..f31ae50b96af 100644 --- a/include/os/linux/Makefile.am +++ b/include/os/linux/Makefile.am @@ -1,118 +1,117 @@ if CONFIG_KERNEL kernel_linuxdir = $(kerneldir)/linux kernel_linux_HEADERS = \ %D%/kernel/linux/blkdev_compat.h \ %D%/kernel/linux/compiler_compat.h \ %D%/kernel/linux/dcache_compat.h \ %D%/kernel/linux/kmap_compat.h \ %D%/kernel/linux/mm_compat.h \ %D%/kernel/linux/mod_compat.h \ %D%/kernel/linux/page_compat.h \ %D%/kernel/linux/percpu_compat.h \ %D%/kernel/linux/simd.h \ %D%/kernel/linux/simd_aarch64.h \ %D%/kernel/linux/simd_arm.h \ %D%/kernel/linux/simd_powerpc.h \ %D%/kernel/linux/simd_x86.h \ %D%/kernel/linux/utsname_compat.h \ %D%/kernel/linux/vfs_compat.h \ %D%/kernel/linux/xattr_compat.h kernel_sysdir = $(kerneldir)/sys kernel_sys_HEADERS = \ %D%/zfs/sys/policy.h \ %D%/zfs/sys/trace_acl.h \ %D%/zfs/sys/trace_arc.h \ %D%/zfs/sys/trace_common.h \ %D%/zfs/sys/trace_dbgmsg.h \ %D%/zfs/sys/trace_dbuf.h \ %D%/zfs/sys/trace_dmu.h \ %D%/zfs/sys/trace_dnode.h \ %D%/zfs/sys/trace_multilist.h \ %D%/zfs/sys/trace_rrwlock.h \ %D%/zfs/sys/trace_txg.h \ %D%/zfs/sys/trace_vdev.h \ %D%/zfs/sys/trace_zfs.h \ %D%/zfs/sys/trace_zil.h \ %D%/zfs/sys/trace_zio.h \ %D%/zfs/sys/trace_zrlock.h \ %D%/zfs/sys/zfs_bootenv_os.h \ %D%/zfs/sys/zfs_context_os.h \ %D%/zfs/sys/zfs_ctldir.h \ %D%/zfs/sys/zfs_dir.h \ %D%/zfs/sys/zfs_vfsops_os.h \ %D%/zfs/sys/zfs_vnops_os.h \ %D%/zfs/sys/zfs_znode_impl.h \ %D%/zfs/sys/zpl.h kernel_spl_rpcdir = $(kerneldir)/spl/rpc kernel_spl_rpc_HEADERS = \ %D%/spl/rpc/types.h \ %D%/spl/rpc/xdr.h kernel_spl_sysdir = $(kerneldir)/spl/sys kernel_spl_sys_HEADERS = \ %D%/spl/sys/acl.h \ %D%/spl/sys/atomic.h \ %D%/spl/sys/byteorder.h \ %D%/spl/sys/callb.h \ %D%/spl/sys/callo.h \ %D%/spl/sys/cmn_err.h \ %D%/spl/sys/condvar.h \ %D%/spl/sys/cred.h \ %D%/spl/sys/ctype.h \ %D%/spl/sys/debug.h \ %D%/spl/sys/disp.h \ - %D%/spl/sys/dkio.h \ %D%/spl/sys/errno.h \ %D%/spl/sys/fcntl.h \ %D%/spl/sys/file.h \ %D%/spl/sys/inttypes.h \ %D%/spl/sys/isa_defs.h \ %D%/spl/sys/kmem.h \ %D%/spl/sys/kmem_cache.h \ %D%/spl/sys/kstat.h \ %D%/spl/sys/list.h \ %D%/spl/sys/misc.h \ %D%/spl/sys/mod_os.h \ %D%/spl/sys/mutex.h \ %D%/spl/sys/param.h \ %D%/spl/sys/proc.h \ %D%/spl/sys/processor.h \ %D%/spl/sys/procfs_list.h \ %D%/spl/sys/random.h \ %D%/spl/sys/rwlock.h \ %D%/spl/sys/shrinker.h \ %D%/spl/sys/sid.h \ %D%/spl/sys/signal.h \ %D%/spl/sys/simd.h \ %D%/spl/sys/stat.h \ %D%/spl/sys/string.h \ %D%/spl/sys/sunddi.h \ %D%/spl/sys/sysmacros.h \ %D%/spl/sys/systeminfo.h \ %D%/spl/sys/taskq.h \ %D%/spl/sys/thread.h \ %D%/spl/sys/time.h \ %D%/spl/sys/timer.h \ %D%/spl/sys/trace.h \ %D%/spl/sys/trace_spl.h \ %D%/spl/sys/trace_taskq.h \ %D%/spl/sys/tsd.h \ %D%/spl/sys/types.h \ %D%/spl/sys/types32.h \ %D%/spl/sys/uio.h \ %D%/spl/sys/user.h \ %D%/spl/sys/vfs.h \ %D%/spl/sys/vmem.h \ %D%/spl/sys/vmsystm.h \ %D%/spl/sys/vnode.h \ %D%/spl/sys/wait.h \ %D%/spl/sys/wmsum.h \ %D%/spl/sys/zmod.h \ %D%/spl/sys/zone.h kernel_spl_ia32dir = $(kernel_spl_sysdir)/ia32 kernel_spl_ia32_HEADERS = \ %D%/spl/sys/ia32/asm_linkage.h endif diff --git a/include/os/linux/spl/sys/dkio.h b/include/os/linux/spl/sys/dkio.h deleted file mode 100644 index a90b67d36702..000000000000 --- a/include/os/linux/spl/sys/dkio.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. - * Copyright (C) 2007 The Regents of the University of California. - * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). - * Written by Brian Behlendorf . - * UCRL-CODE-235197 - * - * This file is part of the SPL, Solaris Porting Layer. - * - * The SPL is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * The SPL is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with the SPL. If not, see . - */ - -#ifndef _SPL_DKIO_H -#define _SPL_DKIO_H - -#define DFL_SZ(num_exts) \ - (sizeof (dkioc_free_list_t) + (num_exts - 1) * 16) - -#define DKIOC (0x04 << 8) -#define DKIOCFLUSHWRITECACHE (DKIOC|34) /* flush cache to phys medium */ - -/* - * ioctl to free space (e.g. SCSI UNMAP) off a disk. - * Pass a dkioc_free_list_t containing a list of extents to be freed. - */ -#define DKIOCFREE (DKIOC|50) - -#endif /* _SPL_DKIO_H */ diff --git a/include/sys/vdev_impl.h b/include/sys/vdev_impl.h index 2a93f7c680bc..95164c4546bb 100644 --- a/include/sys/vdev_impl.h +++ b/include/sys/vdev_impl.h @@ -1,657 +1,656 @@ /* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or https://opensource.org/licenses/CDDL-1.0. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2011, 2020 by Delphix. All rights reserved. * Copyright (c) 2017, Intel Corporation. * Copyright (c) 2023, Klara Inc. */ #ifndef _SYS_VDEV_IMPL_H #define _SYS_VDEV_IMPL_H #include #include #include #include #include #include #include -#include #include #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif /* * Virtual device descriptors. * * All storage pool operations go through the virtual device framework, * which provides data replication and I/O scheduling. */ /* * Forward declarations that lots of things need. */ typedef struct vdev_queue vdev_queue_t; struct abd; extern uint_t zfs_vdev_queue_depth_pct; extern uint_t zfs_vdev_def_queue_depth; extern uint_t zfs_vdev_async_write_max_active; /* * Virtual device operations */ typedef int vdev_init_func_t(spa_t *spa, nvlist_t *nv, void **tsd); typedef void vdev_kobj_post_evt_func_t(vdev_t *vd); typedef void vdev_fini_func_t(vdev_t *vd); typedef int vdev_open_func_t(vdev_t *vd, uint64_t *size, uint64_t *max_size, uint64_t *ashift, uint64_t *pshift); typedef void vdev_close_func_t(vdev_t *vd); typedef uint64_t vdev_asize_func_t(vdev_t *vd, uint64_t psize, uint64_t txg); typedef uint64_t vdev_min_asize_func_t(vdev_t *vd); typedef uint64_t vdev_min_alloc_func_t(vdev_t *vd); typedef void vdev_io_start_func_t(zio_t *zio); typedef void vdev_io_done_func_t(zio_t *zio); typedef void vdev_state_change_func_t(vdev_t *vd, int, int); typedef boolean_t vdev_need_resilver_func_t(vdev_t *vd, const dva_t *dva, size_t psize, uint64_t phys_birth); typedef void vdev_hold_func_t(vdev_t *vd); typedef void vdev_rele_func_t(vdev_t *vd); typedef void vdev_remap_cb_t(uint64_t inner_offset, vdev_t *vd, uint64_t offset, uint64_t size, void *arg); typedef void vdev_remap_func_t(vdev_t *vd, uint64_t offset, uint64_t size, vdev_remap_cb_t callback, void *arg); /* * Given a target vdev, translates the logical range "in" to the physical * range "res" */ typedef void vdev_xlation_func_t(vdev_t *cvd, const range_seg64_t *logical, range_seg64_t *physical, range_seg64_t *remain); typedef uint64_t vdev_rebuild_asize_func_t(vdev_t *vd, uint64_t start, uint64_t size, uint64_t max_segment); typedef void vdev_metaslab_init_func_t(vdev_t *vd, uint64_t *startp, uint64_t *sizep); typedef void vdev_config_generate_func_t(vdev_t *vd, nvlist_t *nv); typedef uint64_t vdev_nparity_func_t(vdev_t *vd); typedef uint64_t vdev_ndisks_func_t(vdev_t *vd); typedef const struct vdev_ops { vdev_init_func_t *vdev_op_init; vdev_fini_func_t *vdev_op_fini; vdev_open_func_t *vdev_op_open; vdev_close_func_t *vdev_op_close; vdev_asize_func_t *vdev_op_asize; vdev_min_asize_func_t *vdev_op_min_asize; vdev_min_alloc_func_t *vdev_op_min_alloc; vdev_io_start_func_t *vdev_op_io_start; vdev_io_done_func_t *vdev_op_io_done; vdev_state_change_func_t *vdev_op_state_change; vdev_need_resilver_func_t *vdev_op_need_resilver; vdev_hold_func_t *vdev_op_hold; vdev_rele_func_t *vdev_op_rele; vdev_remap_func_t *vdev_op_remap; vdev_xlation_func_t *vdev_op_xlate; vdev_rebuild_asize_func_t *vdev_op_rebuild_asize; vdev_metaslab_init_func_t *vdev_op_metaslab_init; vdev_config_generate_func_t *vdev_op_config_generate; vdev_nparity_func_t *vdev_op_nparity; vdev_ndisks_func_t *vdev_op_ndisks; vdev_kobj_post_evt_func_t *vdev_op_kobj_evt_post; char vdev_op_type[16]; boolean_t vdev_op_leaf; } vdev_ops_t; /* * Virtual device properties */ typedef union vdev_queue_class { struct { ulong_t vqc_list_numnodes; list_t vqc_list; }; avl_tree_t vqc_tree; } vdev_queue_class_t; struct vdev_queue { vdev_t *vq_vdev; vdev_queue_class_t vq_class[ZIO_PRIORITY_NUM_QUEUEABLE]; avl_tree_t vq_read_offset_tree; avl_tree_t vq_write_offset_tree; uint64_t vq_last_offset; zio_priority_t vq_last_prio; /* Last sent I/O priority. */ uint32_t vq_cqueued; /* Classes with queued I/Os. */ uint32_t vq_cactive[ZIO_PRIORITY_NUM_QUEUEABLE]; uint32_t vq_active; /* Number of active I/Os. */ uint32_t vq_ia_active; /* Active interactive I/Os. */ uint32_t vq_nia_credit; /* Non-interactive I/Os credit. */ list_t vq_active_list; /* List of active I/Os. */ hrtime_t vq_io_complete_ts; /* time last i/o completed */ hrtime_t vq_io_delta_ts; zio_t vq_io_search; /* used as local for stack reduction */ kmutex_t vq_lock; }; typedef enum vdev_alloc_bias { VDEV_BIAS_NONE, VDEV_BIAS_LOG, /* dedicated to ZIL data (SLOG) */ VDEV_BIAS_SPECIAL, /* dedicated to ddt, metadata, and small blks */ VDEV_BIAS_DEDUP /* dedicated to dedup metadata */ } vdev_alloc_bias_t; /* * On-disk indirect vdev state. * * An indirect vdev is described exclusively in the MOS config of a pool. * The config for an indirect vdev includes several fields, which are * accessed in memory by a vdev_indirect_config_t. */ typedef struct vdev_indirect_config { /* * Object (in MOS) which contains the indirect mapping. This object * contains an array of vdev_indirect_mapping_entry_phys_t ordered by * vimep_src. The bonus buffer for this object is a * vdev_indirect_mapping_phys_t. This object is allocated when a vdev * removal is initiated. * * Note that this object can be empty if none of the data on the vdev * has been copied yet. */ uint64_t vic_mapping_object; /* * Object (in MOS) which contains the birth times for the mapping * entries. This object contains an array of * vdev_indirect_birth_entry_phys_t sorted by vibe_offset. The bonus * buffer for this object is a vdev_indirect_birth_phys_t. This object * is allocated when a vdev removal is initiated. * * Note that this object can be empty if none of the vdev has yet been * copied. */ uint64_t vic_births_object; /* * This is the vdev ID which was removed previous to this vdev, or * UINT64_MAX if there are no previously removed vdevs. */ uint64_t vic_prev_indirect_vdev; } vdev_indirect_config_t; /* * Virtual device descriptor */ struct vdev { /* * Common to all vdev types. */ uint64_t vdev_id; /* child number in vdev parent */ uint64_t vdev_guid; /* unique ID for this vdev */ uint64_t vdev_guid_sum; /* self guid + all child guids */ uint64_t vdev_orig_guid; /* orig. guid prior to remove */ uint64_t vdev_asize; /* allocatable device capacity */ uint64_t vdev_min_asize; /* min acceptable asize */ uint64_t vdev_max_asize; /* max acceptable asize */ uint64_t vdev_ashift; /* block alignment shift */ /* * Logical block alignment shift * * The smallest sized/aligned I/O supported by the device. */ uint64_t vdev_logical_ashift; /* * Physical block alignment shift * * The device supports logical I/Os with vdev_logical_ashift * size/alignment, but optimum performance will be achieved by * aligning/sizing requests to vdev_physical_ashift. Smaller * requests may be inflated or incur device level read-modify-write * operations. * * May be 0 to indicate no preference (i.e. use vdev_logical_ashift). */ uint64_t vdev_physical_ashift; uint64_t vdev_state; /* see VDEV_STATE_* #defines */ uint64_t vdev_prevstate; /* used when reopening a vdev */ vdev_ops_t *vdev_ops; /* vdev operations */ spa_t *vdev_spa; /* spa for this vdev */ void *vdev_tsd; /* type-specific data */ vdev_t *vdev_top; /* top-level vdev */ vdev_t *vdev_parent; /* parent vdev */ vdev_t **vdev_child; /* array of children */ uint64_t vdev_children; /* number of children */ vdev_stat_t vdev_stat; /* virtual device statistics */ vdev_stat_ex_t vdev_stat_ex; /* extended statistics */ boolean_t vdev_expanding; /* expand the vdev? */ boolean_t vdev_reopening; /* reopen in progress? */ boolean_t vdev_nonrot; /* true if solid state */ int vdev_load_error; /* error on last load */ int vdev_open_error; /* error on last open */ int vdev_validate_error; /* error on last validate */ kthread_t *vdev_open_thread; /* thread opening children */ kthread_t *vdev_validate_thread; /* thread validating children */ uint64_t vdev_crtxg; /* txg when top-level was added */ uint64_t vdev_root_zap; /* * Top-level vdev state. */ uint64_t vdev_ms_array; /* metaslab array object */ uint64_t vdev_ms_shift; /* metaslab size shift */ uint64_t vdev_ms_count; /* number of metaslabs */ metaslab_group_t *vdev_mg; /* metaslab group */ metaslab_group_t *vdev_log_mg; /* embedded slog metaslab group */ metaslab_t **vdev_ms; /* metaslab array */ txg_list_t vdev_ms_list; /* per-txg dirty metaslab lists */ txg_list_t vdev_dtl_list; /* per-txg dirty DTL lists */ txg_node_t vdev_txg_node; /* per-txg dirty vdev linkage */ boolean_t vdev_remove_wanted; /* async remove wanted? */ boolean_t vdev_probe_wanted; /* async probe wanted? */ list_node_t vdev_config_dirty_node; /* config dirty list */ list_node_t vdev_state_dirty_node; /* state dirty list */ uint64_t vdev_deflate_ratio; /* deflation ratio (x512) */ uint64_t vdev_islog; /* is an intent log device */ uint64_t vdev_noalloc; /* device is passivated? */ uint64_t vdev_removing; /* device is being removed? */ uint64_t vdev_failfast; /* device failfast setting */ boolean_t vdev_rz_expanding; /* raidz is being expanded? */ boolean_t vdev_ishole; /* is a hole in the namespace */ uint64_t vdev_top_zap; vdev_alloc_bias_t vdev_alloc_bias; /* metaslab allocation bias */ /* pool checkpoint related */ space_map_t *vdev_checkpoint_sm; /* contains reserved blocks */ /* Initialize related */ boolean_t vdev_initialize_exit_wanted; vdev_initializing_state_t vdev_initialize_state; list_node_t vdev_initialize_node; kthread_t *vdev_initialize_thread; /* Protects vdev_initialize_thread and vdev_initialize_state. */ kmutex_t vdev_initialize_lock; kcondvar_t vdev_initialize_cv; uint64_t vdev_initialize_offset[TXG_SIZE]; uint64_t vdev_initialize_last_offset; range_tree_t *vdev_initialize_tree; /* valid while initializing */ uint64_t vdev_initialize_bytes_est; uint64_t vdev_initialize_bytes_done; uint64_t vdev_initialize_action_time; /* start and end time */ /* TRIM related */ boolean_t vdev_trim_exit_wanted; boolean_t vdev_autotrim_exit_wanted; vdev_trim_state_t vdev_trim_state; list_node_t vdev_trim_node; kmutex_t vdev_autotrim_lock; kcondvar_t vdev_autotrim_cv; kcondvar_t vdev_autotrim_kick_cv; kthread_t *vdev_autotrim_thread; /* Protects vdev_trim_thread and vdev_trim_state. */ kmutex_t vdev_trim_lock; kcondvar_t vdev_trim_cv; kthread_t *vdev_trim_thread; uint64_t vdev_trim_offset[TXG_SIZE]; uint64_t vdev_trim_last_offset; uint64_t vdev_trim_bytes_est; uint64_t vdev_trim_bytes_done; uint64_t vdev_trim_rate; /* requested rate (bytes/sec) */ uint64_t vdev_trim_partial; /* requested partial TRIM */ uint64_t vdev_trim_secure; /* requested secure TRIM */ uint64_t vdev_trim_action_time; /* start and end time */ /* Rebuild related */ boolean_t vdev_rebuilding; boolean_t vdev_rebuild_exit_wanted; boolean_t vdev_rebuild_cancel_wanted; boolean_t vdev_rebuild_reset_wanted; kmutex_t vdev_rebuild_lock; kcondvar_t vdev_rebuild_cv; kthread_t *vdev_rebuild_thread; vdev_rebuild_t vdev_rebuild_config; /* For limiting outstanding I/Os (initialize, TRIM) */ kmutex_t vdev_initialize_io_lock; kcondvar_t vdev_initialize_io_cv; uint64_t vdev_initialize_inflight; kmutex_t vdev_trim_io_lock; kcondvar_t vdev_trim_io_cv; uint64_t vdev_trim_inflight[3]; /* * Values stored in the config for an indirect or removing vdev. */ vdev_indirect_config_t vdev_indirect_config; /* * The vdev_indirect_rwlock protects the vdev_indirect_mapping * pointer from changing on indirect vdevs (when it is condensed). * Note that removing (not yet indirect) vdevs have different * access patterns (the mapping is not accessed from open context, * e.g. from zio_read) and locking strategy (e.g. svr_lock). */ krwlock_t vdev_indirect_rwlock; vdev_indirect_mapping_t *vdev_indirect_mapping; vdev_indirect_births_t *vdev_indirect_births; /* * In memory data structures used to manage the obsolete sm, for * indirect or removing vdevs. * * The vdev_obsolete_segments is the in-core record of the segments * that are no longer referenced anywhere in the pool (due to * being freed or remapped and not referenced by any snapshots). * During a sync, segments are added to vdev_obsolete_segments * via vdev_indirect_mark_obsolete(); at the end of each sync * pass, this is appended to vdev_obsolete_sm via * vdev_indirect_sync_obsolete(). The vdev_obsolete_lock * protects against concurrent modifications of vdev_obsolete_segments * from multiple zio threads. */ kmutex_t vdev_obsolete_lock; range_tree_t *vdev_obsolete_segments; space_map_t *vdev_obsolete_sm; /* * Protects the vdev_scan_io_queue field itself as well as the * structure's contents (when present). */ kmutex_t vdev_scan_io_queue_lock; struct dsl_scan_io_queue *vdev_scan_io_queue; /* * Leaf vdev state. */ range_tree_t *vdev_dtl[DTL_TYPES]; /* dirty time logs */ space_map_t *vdev_dtl_sm; /* dirty time log space map */ txg_node_t vdev_dtl_node; /* per-txg dirty DTL linkage */ uint64_t vdev_dtl_object; /* DTL object */ uint64_t vdev_psize; /* physical device capacity */ uint64_t vdev_wholedisk; /* true if this is a whole disk */ uint64_t vdev_offline; /* persistent offline state */ uint64_t vdev_faulted; /* persistent faulted state */ uint64_t vdev_degraded; /* persistent degraded state */ uint64_t vdev_removed; /* persistent removed state */ uint64_t vdev_resilver_txg; /* persistent resilvering state */ uint64_t vdev_rebuild_txg; /* persistent rebuilding state */ char *vdev_path; /* vdev path (if any) */ char *vdev_devid; /* vdev devid (if any) */ char *vdev_physpath; /* vdev device path (if any) */ char *vdev_enc_sysfs_path; /* enclosure sysfs path */ char *vdev_fru; /* physical FRU location */ uint64_t vdev_not_present; /* not present during import */ uint64_t vdev_unspare; /* unspare when resilvering done */ boolean_t vdev_nowritecache; /* true if flushwritecache failed */ boolean_t vdev_has_trim; /* TRIM is supported */ boolean_t vdev_has_securetrim; /* secure TRIM is supported */ boolean_t vdev_checkremove; /* temporary online test */ boolean_t vdev_forcefault; /* force online fault */ boolean_t vdev_splitting; /* split or repair in progress */ boolean_t vdev_delayed_close; /* delayed device close? */ boolean_t vdev_tmpoffline; /* device taken offline temporarily? */ boolean_t vdev_detached; /* device detached? */ boolean_t vdev_cant_read; /* vdev is failing all reads */ boolean_t vdev_cant_write; /* vdev is failing all writes */ boolean_t vdev_isspare; /* was a hot spare */ boolean_t vdev_isl2cache; /* was a l2cache device */ boolean_t vdev_copy_uberblocks; /* post expand copy uberblocks */ boolean_t vdev_resilver_deferred; /* resilver deferred */ boolean_t vdev_kobj_flag; /* kobj event record */ boolean_t vdev_attaching; /* vdev attach ashift handling */ vdev_queue_t vdev_queue; /* I/O deadline schedule queue */ spa_aux_vdev_t *vdev_aux; /* for l2cache and spares vdevs */ zio_t *vdev_probe_zio; /* root of current probe */ vdev_aux_t vdev_label_aux; /* on-disk aux state */ uint64_t vdev_leaf_zap; hrtime_t vdev_mmp_pending; /* 0 if write finished */ uint64_t vdev_mmp_kstat_id; /* to find kstat entry */ uint64_t vdev_expansion_time; /* vdev's last expansion time */ list_node_t vdev_leaf_node; /* leaf vdev list */ /* * For DTrace to work in userland (libzpool) context, these fields must * remain at the end of the structure. DTrace will use the kernel's * CTF definition for 'struct vdev', and since the size of a kmutex_t is * larger in userland, the offsets for the rest of the fields would be * incorrect. */ kmutex_t vdev_dtl_lock; /* vdev_dtl_{map,resilver} */ kmutex_t vdev_stat_lock; /* vdev_stat */ kmutex_t vdev_probe_lock; /* protects vdev_probe_zio */ /* * We rate limit ZIO delay, deadman, and checksum events, since they * can flood ZED with tons of events when a drive is acting up. */ zfs_ratelimit_t vdev_delay_rl; zfs_ratelimit_t vdev_deadman_rl; zfs_ratelimit_t vdev_checksum_rl; /* * Vdev properties for tuning ZED or zfsd */ uint64_t vdev_checksum_n; uint64_t vdev_checksum_t; uint64_t vdev_io_n; uint64_t vdev_io_t; uint64_t vdev_slow_io_n; uint64_t vdev_slow_io_t; }; #define VDEV_PAD_SIZE (8 << 10) /* 2 padding areas (vl_pad1 and vl_be) to skip */ #define VDEV_SKIP_SIZE VDEV_PAD_SIZE * 2 #define VDEV_PHYS_SIZE (112 << 10) #define VDEV_UBERBLOCK_RING (128 << 10) /* * MMP blocks occupy the last MMP_BLOCKS_PER_LABEL slots in the uberblock * ring when MMP is enabled. */ #define MMP_BLOCKS_PER_LABEL 1 /* The largest uberblock we support is 8k. */ #define MAX_UBERBLOCK_SHIFT (13) #define VDEV_UBERBLOCK_SHIFT(vd) \ MIN(MAX((vd)->vdev_top->vdev_ashift, UBERBLOCK_SHIFT), \ MAX_UBERBLOCK_SHIFT) #define VDEV_UBERBLOCK_COUNT(vd) \ (VDEV_UBERBLOCK_RING >> VDEV_UBERBLOCK_SHIFT(vd)) #define VDEV_UBERBLOCK_OFFSET(vd, n) \ offsetof(vdev_label_t, vl_uberblock[(n) << VDEV_UBERBLOCK_SHIFT(vd)]) #define VDEV_UBERBLOCK_SIZE(vd) (1ULL << VDEV_UBERBLOCK_SHIFT(vd)) typedef struct vdev_phys { char vp_nvlist[VDEV_PHYS_SIZE - sizeof (zio_eck_t)]; zio_eck_t vp_zbt; } vdev_phys_t; typedef enum vbe_vers { /* * The bootenv file is stored as ascii text in the envblock. * It is used by the GRUB bootloader used on Linux to store the * contents of the grubenv file. The file is stored as raw ASCII, * and is protected by an embedded checksum. By default, GRUB will * check if the boot filesystem supports storing the environment data * in a special location, and if so, will invoke filesystem specific * logic to retrieve it. This can be overridden by a variable, should * the user so desire. */ VB_RAW = 0, /* * The bootenv file is converted to an nvlist and then packed into the * envblock. */ VB_NVLIST = 1 } vbe_vers_t; typedef struct vdev_boot_envblock { uint64_t vbe_version; char vbe_bootenv[VDEV_PAD_SIZE - sizeof (uint64_t) - sizeof (zio_eck_t)]; zio_eck_t vbe_zbt; } vdev_boot_envblock_t; _Static_assert(sizeof (vdev_boot_envblock_t) == VDEV_PAD_SIZE, "vdev_boot_envblock_t wrong size"); typedef struct vdev_label { char vl_pad1[VDEV_PAD_SIZE]; /* 8K */ vdev_boot_envblock_t vl_be; /* 8K */ vdev_phys_t vl_vdev_phys; /* 112K */ char vl_uberblock[VDEV_UBERBLOCK_RING]; /* 128K */ } vdev_label_t; /* 256K total */ /* * vdev_dirty() flags */ #define VDD_METASLAB 0x01 #define VDD_DTL 0x02 /* Offset of embedded boot loader region on each label */ #define VDEV_BOOT_OFFSET (2 * sizeof (vdev_label_t)) /* * Size of embedded boot loader region on each label. * The total size of the first two labels plus the boot area is 4MB. * On RAIDZ, this space is overwritten during RAIDZ expansion. */ #define VDEV_BOOT_SIZE (7ULL << 19) /* 3.5M */ /* * Size of label regions at the start and end of each leaf device. */ #define VDEV_LABEL_START_SIZE (2 * sizeof (vdev_label_t) + VDEV_BOOT_SIZE) #define VDEV_LABEL_END_SIZE (2 * sizeof (vdev_label_t)) #define VDEV_LABELS 4 #define VDEV_BEST_LABEL VDEV_LABELS #define VDEV_OFFSET_IS_LABEL(vd, off) \ (((off) < VDEV_LABEL_START_SIZE) || \ ((off) >= ((vd)->vdev_psize - VDEV_LABEL_END_SIZE))) #define VDEV_ALLOC_LOAD 0 #define VDEV_ALLOC_ADD 1 #define VDEV_ALLOC_SPARE 2 #define VDEV_ALLOC_L2CACHE 3 #define VDEV_ALLOC_ROOTPOOL 4 #define VDEV_ALLOC_SPLIT 5 #define VDEV_ALLOC_ATTACH 6 /* * Allocate or free a vdev */ extern vdev_t *vdev_alloc_common(spa_t *spa, uint_t id, uint64_t guid, vdev_ops_t *ops); extern int vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *config, vdev_t *parent, uint_t id, int alloctype); extern void vdev_free(vdev_t *vd); /* * Add or remove children and parents */ extern void vdev_add_child(vdev_t *pvd, vdev_t *cvd); extern void vdev_remove_child(vdev_t *pvd, vdev_t *cvd); extern void vdev_compact_children(vdev_t *pvd); extern vdev_t *vdev_add_parent(vdev_t *cvd, vdev_ops_t *ops); extern void vdev_remove_parent(vdev_t *cvd); /* * vdev sync load and sync */ extern boolean_t vdev_log_state_valid(vdev_t *vd); extern int vdev_load(vdev_t *vd); extern int vdev_dtl_load(vdev_t *vd); extern void vdev_sync(vdev_t *vd, uint64_t txg); extern void vdev_sync_done(vdev_t *vd, uint64_t txg); extern void vdev_dirty(vdev_t *vd, int flags, void *arg, uint64_t txg); extern void vdev_dirty_leaves(vdev_t *vd, int flags, uint64_t txg); /* * Available vdev types. */ extern vdev_ops_t vdev_root_ops; extern vdev_ops_t vdev_mirror_ops; extern vdev_ops_t vdev_replacing_ops; extern vdev_ops_t vdev_raidz_ops; extern vdev_ops_t vdev_draid_ops; extern vdev_ops_t vdev_draid_spare_ops; extern vdev_ops_t vdev_disk_ops; extern vdev_ops_t vdev_file_ops; extern vdev_ops_t vdev_missing_ops; extern vdev_ops_t vdev_hole_ops; extern vdev_ops_t vdev_spare_ops; extern vdev_ops_t vdev_indirect_ops; /* * Common size functions */ extern void vdev_default_xlate(vdev_t *vd, const range_seg64_t *logical_rs, range_seg64_t *physical_rs, range_seg64_t *remain_rs); extern uint64_t vdev_default_asize(vdev_t *vd, uint64_t psize, uint64_t txg); extern uint64_t vdev_default_min_asize(vdev_t *vd); extern uint64_t vdev_get_min_asize(vdev_t *vd); extern void vdev_set_min_asize(vdev_t *vd); extern uint64_t vdev_get_min_alloc(vdev_t *vd); extern uint64_t vdev_get_nparity(vdev_t *vd); extern uint64_t vdev_get_ndisks(vdev_t *vd); /* * Global variables */ extern int zfs_vdev_standard_sm_blksz; /* * Functions from vdev_indirect.c */ extern void vdev_indirect_sync_obsolete(vdev_t *vd, dmu_tx_t *tx); extern boolean_t vdev_indirect_should_condense(vdev_t *vd); extern void spa_condense_indirect_start_sync(vdev_t *vd, dmu_tx_t *tx); extern int vdev_obsolete_sm_object(vdev_t *vd, uint64_t *sm_obj); extern int vdev_obsolete_counts_are_precise(vdev_t *vd, boolean_t *are_precise); /* * Other miscellaneous functions */ int vdev_checkpoint_sm_object(vdev_t *vd, uint64_t *sm_obj); void vdev_metaslab_group_create(vdev_t *vd); uint64_t vdev_best_ashift(uint64_t logical, uint64_t a, uint64_t b); /* * Vdev ashift optimization tunables */ extern uint_t zfs_vdev_min_auto_ashift; extern uint_t zfs_vdev_max_auto_ashift; int param_set_min_auto_ashift(ZFS_MODULE_PARAM_ARGS); int param_set_max_auto_ashift(ZFS_MODULE_PARAM_ARGS); #ifdef __cplusplus } #endif #endif /* _SYS_VDEV_IMPL_H */