2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (C) 2016 SUSE Linux Products GmbH. All Rights Reserved.
7 # Test that if we rename a file, create a new file that has the old name of the
8 # other file and is a child of the same parent directory, fsync the new inode,
9 # power fail and mount the filesystem, we do not lose the first file and that
10 # file has the name it was renamed to.
13 seqres=$RESULT_DIR/$seq
14 echo "QA output created by $seq"
16 status=1 # failure is the default!
17 trap "_cleanup; exit \$status" 0 1 2 3 15
26 # get standard environment, filters and checks
31 # real QA test starts here
34 _require_dm_target flakey
38 _scratch_mkfs >>$seqres.full 2>&1
39 _require_metadata_journaling $SCRATCH_DEV
44 $XFS_IO_PROG -f -c "pwrite -S 0xf1 0 16K" $SCRATCH_MNT/a/foo | _filter_xfs_io
45 # Make sure everything done so far is durably persisted.
48 # Now rename file foo to bar and create a new file named foo under the same
49 # directory. After a power failure we must see the two files.
50 mv $SCRATCH_MNT/a/foo $SCRATCH_MNT/a/bar
51 $XFS_IO_PROG -f -c "pwrite -S 0xba 0 16K" $SCRATCH_MNT/a/foo | _filter_xfs_io
52 $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/a/foo
54 echo "File digests before log replay:"
55 md5sum $SCRATCH_MNT/a/foo | _filter_scratch
56 md5sum $SCRATCH_MNT/a/bar | _filter_scratch
58 # Simulate a power failure and mount again the filesystem to trigger replay of
60 _flakey_drop_and_remount
62 echo "Directory a/ contents after log replay:"
63 ls -R $SCRATCH_MNT/a | _filter_scratch
65 echo "File digests after log replay:"
66 # Must match what we got before the power failure.
67 md5sum $SCRATCH_MNT/a/foo | _filter_scratch
68 md5sum $SCRATCH_MNT/a/bar | _filter_scratch