2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (C) 2016 SUSE Linux Products GmbH. All Rights Reserved.
7 # Test creating a symlink, fsync its parent directory, power fail and mount
8 # again the filesystem. After these steps the symlink should exist and its
9 # content must match what we specified when we created it (must not be empty
10 # or point to something else).
13 seqres=$RESULT_DIR/$seq
14 echo "QA output created by $seq"
16 status=1 # failure is the default!
17 trap "_cleanup; exit \$status" 0 1 2 3 15
26 # get standard environment, filters and checks
31 # real QA test starts here
35 _require_dm_target flakey
39 _scratch_mkfs >>$seqres.full 2>&1
40 _require_metadata_journaling $SCRATCH_DEV
44 mkdir $SCRATCH_MNT/testdir1
45 # Make sure it's durably persisted.
48 # Create our symlinks and fsync their parent directories.
49 # We test both the case where the parent directory is new (not yet durably
50 # persisted) and where the parent existed long time before.
51 ln -s $SCRATCH_MNT/foo1 $SCRATCH_MNT/testdir1/bar1
52 $XFS_IO_PROG -c fsync $SCRATCH_MNT/testdir1
53 mkdir $SCRATCH_MNT/testdir2
54 ln -s $SCRATCH_MNT/foo2 $SCRATCH_MNT/testdir2/bar2
55 $XFS_IO_PROG -c fsync $SCRATCH_MNT/testdir2
57 # After a power failure and mounting again the filesystem, we expect to see the
58 # symlinks and we expect them to point to foo1 and foo2.
59 _flakey_drop_and_remount
61 echo "Symlink contents after log replay:"
62 readlink $SCRATCH_MNT/testdir1/bar1 | _filter_scratch
63 readlink $SCRATCH_MNT/testdir2/bar2 | _filter_scratch