4 # Test that if we have a file with two hard links in the same parent directory,
5 # then remove of the links, create a new file in the same parent directory and
6 # with the name of the link removed, fsync the new file and have a power loss,
7 # mounting the filesystem succeeds.
9 #-----------------------------------------------------------------------
11 # Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
12 # Author: Filipe Manana <fdmanana@suse.com>
14 # This program is free software; you can redistribute it and/or
15 # modify it under the terms of the GNU General Public License as
16 # published by the Free Software Foundation.
18 # This program is distributed in the hope that it would be useful,
19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 # GNU General Public License for more details.
23 # You should have received a copy of the GNU General Public License
24 # along with this program; if not, write the Free Software Foundation,
25 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26 #-----------------------------------------------------------------------
30 seqres=$RESULT_DIR/$seq
31 echo "QA output created by $seq"
33 status=1 # failure is the default!
34 trap "_cleanup; exit \$status" 0 1 2 3 15
43 # get standard environment, filters and checks
48 # real QA test starts here
52 _require_dm_target flakey
56 _scratch_mkfs >>$seqres.full 2>&1
57 _require_metadata_journaling $SCRATCH_DEV
61 mkdir $SCRATCH_MNT/testdir
62 touch $SCRATCH_MNT/testdir/foo
63 ln $SCRATCH_MNT/testdir/foo $SCRATCH_MNT/testdir/bar
65 # Make sure everything done so far is durably persisted.
68 # Now remove of the links of our file and create a new file with the same name
69 # and in the same parent directory, and finally fsync this new file.
70 unlink $SCRATCH_MNT/testdir/bar
71 touch $SCRATCH_MNT/testdir/bar
72 $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir/bar
74 # Simulate a power failure and mount the filesystem to check that replaying the
75 # the fsync log/journal succeeds, that is the mount operation does not fail.
76 _flakey_drop_and_remount
81 echo "Silence is golden"