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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
#
# FS QA Test No. 510
#
# Test that if we move a file from a directory B to a directory A, replace
# directory B with directory A, fsync the file and then power fail, after
# mounting the filesystem the file has a single parent, named B and there
# is no longer any directory with the name A.
#
. ./common/preamble
_begin_fstest auto quick log
# Override the default cleanup function.
_cleanup()
{
_cleanup_flakey
cd /
rm -f $tmp.*
}
# Import common functions.
. ./common/filter
. ./common/dmflakey
# real QA test starts here
_supported_fs generic
_require_scratch
_require_dm_target flakey
_scratch_mkfs >>$seqres.full 2>&1
_require_metadata_journaling $SCRATCH_DEV
_init_flakey
_mount_flakey
# Create our test directories and file.
mkdir $SCRATCH_MNT/testdir
mkdir $SCRATCH_MNT/testdir/A
mkdir $SCRATCH_MNT/testdir/B
touch $SCRATCH_MNT/testdir/B/bar
# Make sure everything done so far is durably persisted.
sync
# Now move our file bar from directory B to directory A and then replace
# directory B with directory A, also renaming directory A to B. Finally
# fsync file bar.
mv $SCRATCH_MNT/testdir/B/bar $SCRATCH_MNT/testdir/A/bar
mv -T $SCRATCH_MNT/testdir/A $SCRATCH_MNT/testdir/B
$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir/B/bar
# Simulate a power failure and mount the filesystem. We expect file bar
# to exist and have a single parent directory, named B, and that no
# directory named A exists.
_flakey_drop_and_remount
echo "Filesystem content after power failure:"
ls -R $SCRATCH_MNT/testdir | _filter_scratch
_unmount_flakey
status=0
exit
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