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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2020, Oracle and/or its affiliates. All Rights Reserved.
#
# FS QA Test No. 519
#
# Make sure that reflink forces the log out if we mount with wsync. We test
# that it actually forced the log by immediately shutting down the fs without
# flushing the log and then remounting to check file contents.
. ./common/preamble
_begin_fstest auto quick clone
# Import common functions.
. ./common/filter
. ./common/reflink
# real QA test starts here
_supported_fs xfs
_require_scratch_reflink
_require_cp_reflink
# Format filesystem and set up quota limits
_scratch_mkfs > $seqres.full
_scratch_mount -o wsync >> $seqres.full
# Set up initial files
$XFS_IO_PROG -f -c 'pwrite -S 0x58 0 1m -b 1m' $SCRATCH_MNT/a >> $seqres.full
$XFS_IO_PROG -f -c 'pwrite -S 0x59 0 1m -b 1m' $SCRATCH_MNT/c >> $seqres.full
_cp_reflink $SCRATCH_MNT/a $SCRATCH_MNT/e
_cp_reflink $SCRATCH_MNT/c $SCRATCH_MNT/d
touch $SCRATCH_MNT/b
sync
# Test that setting the reflink flag on the dest file forces the log
echo "test reflink flag not set"
$XFS_IO_PROG -x -c "reflink $SCRATCH_MNT/a" -c 'shutdown' $SCRATCH_MNT/b >> $seqres.full
_scratch_cycle_mount wsync
md5sum $SCRATCH_MNT/a $SCRATCH_MNT/b | _filter_scratch
# Test forcing the log even if both files are already reflinked
echo "test reflink flag already set"
$XFS_IO_PROG -x -c "reflink $SCRATCH_MNT/a" -c 'shutdown' $SCRATCH_MNT/d >> $seqres.full
_scratch_cycle_mount wsync
md5sum $SCRATCH_MNT/a $SCRATCH_MNT/d | _filter_scratch
# success, all done
status=0
exit
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