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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. 316
#
# Reflink a file with a few dozen extents, CoW a few blocks, and rm.
# Force XFS into "two refcount updates per transaction" mode.
#
. ./common/preamble
_begin_fstest auto quick clone punch
# Override the default cleanup function.
_cleanup()
{
cd /
_scratch_unmount > /dev/null 2>&1
rm -rf $tmp.*
}
# Import common functions.
. ./common/filter
. ./common/reflink
. ./common/inject
# real QA test starts here
_supported_fs xfs
_require_cp_reflink
_require_scratch_reflink
_require_error_injection
_require_xfs_io_command "fpunch"
_require_xfs_io_error_injection "refcount_continue_update"
blksz=65536
blks=64
sz=$((blksz * blks))
echo "Format filesystem"
_scratch_mkfs >/dev/null 2>&1
_scratch_mount >> $seqres.full
echo "Create files"
_pwrite_byte 0x66 0 $sz $SCRATCH_MNT/file1 >> $seqres.full
_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file2
_cp_reflink $SCRATCH_MNT/file1 $SCRATCH_MNT/file3
# Punch holes in file3
seq 1 2 $blks | while read off; do
$XFS_IO_PROG -c "fpunch $((off * blksz)) $blksz" $SCRATCH_MNT/file3 >> $seqres.full
done
sync
echo "Check files"
md5sum $SCRATCH_MNT/file1 | _filter_scratch
md5sum $SCRATCH_MNT/file2 | _filter_scratch
md5sum $SCRATCH_MNT/file3 | _filter_scratch
echo "Inject error"
_scratch_inject_error "refcount_continue_update"
echo "CoW all the blocks"
$XFS_IO_PROG -c "pwrite -W -S 0x67 -b $sz 0 $((blks * blksz))" $SCRATCH_MNT/file2 >> $seqres.full
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/file1 | _filter_scratch
md5sum $SCRATCH_MNT/file2 | _filter_scratch
md5sum $SCRATCH_MNT/file3 | _filter_scratch
echo "Done"
# success, all done
status=0
exit
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