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apfstests/tests/generic/480
T
Eric Sandeen 3e4ccc86bb fstests: add _require_hardlinks for all necessary tests
Add a new _require function for hardlinks, to test hardlink support
in all tests which need it.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2020-04-20 00:42:11 +08:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
#
# FSQA Test No. 480
#
# Test that if we have a file with two hard links in the same parent directory,
# then remove of the links, create a new file in the same parent directory and
# with the name of the link removed, fsync the new file and have a power loss,
# mounting the filesystem succeeds.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
tmp=/tmp/$$
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
_cleanup_flakey
cd /
rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/dmflakey
# real QA test starts here
_supported_fs generic
_supported_os Linux
_require_scratch
_require_hardlinks
_require_dm_target flakey
rm -f $seqres.full
_scratch_mkfs >>$seqres.full 2>&1
_require_metadata_journaling $SCRATCH_DEV
_init_flakey
_mount_flakey
mkdir $SCRATCH_MNT/testdir
touch $SCRATCH_MNT/testdir/foo
ln $SCRATCH_MNT/testdir/foo $SCRATCH_MNT/testdir/bar
# Make sure everything done so far is durably persisted.
sync
# Now remove of the links of our file and create a new file with the same name
# and in the same parent directory, and finally fsync this new file.
unlink $SCRATCH_MNT/testdir/bar
touch $SCRATCH_MNT/testdir/bar
$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir/bar
# Simulate a power failure and mount the filesystem to check that replaying the
# the fsync log/journal succeeds, that is the mount operation does not fail.
_flakey_drop_and_remount
_unmount_flakey
_cleanup_flakey
echo "Silence is golden"
status=0
exit