Differential D25431 Diff 73590 tests/sys/kern/sendfile_test.sh

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tests/sys/kern/sendfile_test.sh

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				# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
				#
				# Copyright (c) 2020 Netflix, 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.
				#
				# $FreeBSD$

				markjUnsubmitted Not Done Inline Actions I would suggest adding a brief header comment here summarizing what these tests are covering. markj: I would suggest adding a brief header comment here summarizing what these tests are covering.
				MD_DEVS="md.devs"
				MNT=/mnt
				FILE=$MNT/file
				HELPER="$(atf_get_srcdir)/sendfile_helper"
				BSIZE=4096

				atf_test_case io_success cleanup
				io_success_head()
				{
				atf_set "descr" "sendfile where all disk I/O succeeds"
				atf_set "require.user" "root"
				atf_set "timeout" 15
				}
				io_success_body()
				{
				md=$(alloc_md)
				common_body_setup $md

				atf_check $HELPER $FILE 0 0x10000 0x10000
				}
				io_success_cleanup()
				{
				common_cleanup
				}

				atf_test_case io_fail_sync cleanup
				io_fail_sync_head()
				{
				atf_set "descr" "sendfile where we fail to start async I/O"
				atf_set "require.user" "root"
				atf_set "timeout" 15
				}
				io_fail_sync_body()
				{
				md=$(alloc_md)
				common_body_setup $md

				atf_check gnop configure -r 100 -e 5 ${md}.nop
				atf_check -s exit:3 -e ignore $HELPER $FILE $((12 * $BSIZE)) $BSIZE 0x10000
				}
				io_fail_sync_cleanup()
				{
				common_cleanup
				}

				atf_test_case io_fail_async cleanup
				io_fail_async_head()
				{
				atf_set "descr" "sendfile where an async I/O fails"
				atf_set "require.user" "root"
				atf_set "timeout" 15
				}
				io_fail_async_body()
				{
				md=$(alloc_md)
				common_body_setup $md

				atf_check gnop configure -r 100 -e 5 ${md}.nop
				atf_check -s exit:2 -e ignore $HELPER $FILE 0 $BSIZE 0x10000
				}
				io_fail_async_cleanup()
				{
				common_cleanup
				}


				atf_init_test_cases()
				{
				atf_add_test_case io_success
				atf_add_test_case io_fail_sync
				atf_add_test_case io_fail_async
				}

				alloc_md()
				{
				local md

				md=$(mdconfig -a -t swap -s 256M) \|\| atf_fail "mdconfig -a failed"
				echo ${md} >> $MD_DEVS
				echo ${md}
				}

				common_body_setup()
				{
				us=$1

				atf_check -o ignore -e ignore newfs -b $BSIZE -U -j /dev/${us}
				atf_check mount /dev/${us} $MNT
				atf_check -e ignore dd if=/dev/zero of=$FILE bs=1m count=1
				atf_check umount /mnt

				load_gnop
				atf_check gnop create /dev/${us}
				atf_check mount /dev/${us}.nop $MNT
				atf_check -o ignore ls -l $MNT/file
				}

				common_cleanup()
				{
				umount -f $MNT
				if [ -f "$MD_DEVS" ]; then
				while read test_md; do
				gnop destroy -f ${test_md}.nop 2>/dev/null
				mdconfig -d -u $test_md 2>/dev/null
				done < $MD_DEVS
				rm $MD_DEVS
				fi

				true
				}

				load_gnop()
				{
				if ! kldstat -q -m g_nop; then
				geom nop load \|\| atf_skip "could not load module for geom nop"
				fi
				}