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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2021 Oracle. All Rights Reserved.
#
# FS QA Test No. 629
#
# Make sure that copy_file_range forces the log out if we open the file with
# O_SYNC or set FS_XFLAG_SYNC on the file. We test that it actually forced the
# log by using dm-error to shut down the fs without flushing the log and then
# remounting to check file contents. This is a regression test for commit
# 5ffce3cc22a0 ("xfs: force the log after remapping a synchronous-writes file")
. ./common/preamble
_begin_fstest auto quick rw copy_range eio
# Override the default cleanup function.
_cleanup()
{
cd /
rm -f $tmp.*
_dmerror_unmount
_dmerror_cleanup
}
# Import common functions.
. ./common/filter
. ./common/dmerror
# real QA test starts here
_supported_fs generic
_require_scratch
_require_dm_target error
_require_xfs_io_command "chattr" "s"
_require_xfs_io_command "copy_range"
# Format filesystem and set up quota limits
_scratch_mkfs > $seqres.full
_require_metadata_journaling $SCRATCH_DEV
_dmerror_init
_dmerror_mount
# Test that O_SYNC actually results in file data being written even if the
# fs immediately dies
echo "test o_sync write"
$XFS_IO_PROG -x -f -s -c "pwrite -S 0x58 0 1m -b 1m" $SCRATCH_MNT/0 >> $seqres.full
_dmerror_load_error_table
_dmerror_unmount
_dmerror_load_working_table
_dmerror_mount
md5sum $SCRATCH_MNT/0 | _filter_scratch
# Set up initial files for copy test
$XFS_IO_PROG -f -c 'pwrite -S 0x58 0 1m -b 1m' $SCRATCH_MNT/a >> $seqres.full
touch $SCRATCH_MNT/b
sync
# Test that unaligned copy file range forces dirty data/metadata to disk when
# destination file opened with O_SYNC
echo "test unaligned copy range o_sync"
$XFS_IO_PROG -x -s -c "copy_range -s 13 -d 13 -l 1048550 $SCRATCH_MNT/a" $SCRATCH_MNT/b >> $seqres.full
_dmerror_load_error_table
_dmerror_unmount
_dmerror_load_working_table
_dmerror_mount
md5sum $SCRATCH_MNT/a $SCRATCH_MNT/b | _filter_scratch
# Set up dest file with chattr +S
rm -f $SCRATCH_MNT/b
touch $SCRATCH_MNT/b
chattr +S $SCRATCH_MNT/b
sync
# Test that unaligned copy file range forces dirty data/metadata to disk when
# destination file has the sync iflag set
echo "test unaligned copy range iflag"
$XFS_IO_PROG -x -c "copy_range -s 13 -d 13 -l 1048550 $SCRATCH_MNT/a" $SCRATCH_MNT/b >> $seqres.full
_dmerror_load_error_table
_dmerror_unmount
_dmerror_load_working_table
_dmerror_mount
md5sum $SCRATCH_MNT/a $SCRATCH_MNT/b | _filter_scratch
# success, all done
status=0
exit
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