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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
#
# FS QA Test No. 325
#
# Reflink a file with a few dozen extents, CoW a few blocks, and rm.
# Inject an error during extent freeing to test log recovery.
#
. ./common/preamble
_begin_fstest auto quick clone freeze
# Override the default cleanup function.
_cleanup()
{
# Make sure $SCRATCH_MNT is unfreezed
xfs_freeze -u $SCRATCH_MNT 2>/dev/null
cd /
rm -rf $tmp.*
}
# Import common functions.
. ./common/filter
. ./common/reflink
. ./common/inject
# real QA test starts here
_supported_fs xfs
_require_cp_reflink
_require_scratch_reflink
_require_error_injection
_require_xfs_io_error_injection "free_extent"
_require_freeze
blksz=65536
blks=30
echo "Format filesystem"
_scratch_mkfs >/dev/null 2>&1
_scratch_mount >> $seqres.full
echo "Create files"
_pwrite_byte 0x66 0 $((blksz * blks)) $SCRATCH_MNT/file1 >> $seqres.full
_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2
sync
echo "Check files"
md5sum $SCRATCH_MNT/file1 | _filter_scratch
md5sum $SCRATCH_MNT/file2 | _filter_scratch
echo "CoW a few blocks"
$XFS_IO_PROG -c "pwrite -W -S 0x67 $((10 * blksz)) $((10 * blksz))" $SCRATCH_MNT/file2 >> $seqres.full
echo "Inject error"
_scratch_inject_error "free_extent"
rm $SCRATCH_MNT/file1
sync
$XFS_IO_PROG -x -c 'freeze' -c 'thaw' $SCRATCH_MNT >> $seqres.full 2>&1
echo "FS should be shut down, touch will fail"
touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch
echo "Remount to replay log"
_scratch_remount_dump_log >> $seqres.full
echo "FS should be online, touch should succeed"
touch $SCRATCH_MNT/goodfs
echo "Check files again"
md5sum $SCRATCH_MNT/file2 | _filter_scratch
echo "Done"
# success, all done
status=0
exit
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