2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
7 # Test that after a combination of file renames, linking and creating a new file
8 # with the old name of a renamed file, if we fsync the new file, after a power
9 # failure we are able to mount the filesystem and all file names correspond to
13 seqres=$RESULT_DIR/$seq
14 echo "QA output created by $seq"
16 status=1 # failure is the default!
17 trap "_cleanup; exit \$status" 0 1 2 3 15
26 # get standard environment, filters and checks
31 # real QA test starts here
36 _require_dm_target flakey
40 _scratch_mkfs >>$seqres.full 2>&1
41 _require_metadata_journaling $SCRATCH_DEV
45 mkdir $SCRATCH_MNT/testdir
46 echo -n "foo" > $SCRATCH_MNT/testdir/fname1
47 echo -n "hello" > $SCRATCH_MNT/testdir/fname2
49 # Make sure everything done so far is durably persisted.
52 # Rename and link files such that one new name corresponds to the name of
53 # another renamed file and one new file has the old name of one of the renamed
54 # files. Then fsync only the new file.
55 mv $SCRATCH_MNT/testdir/fname1 $SCRATCH_MNT/testdir/fname3
56 mv $SCRATCH_MNT/testdir/fname2 $SCRATCH_MNT/testdir/fname4
57 ln $SCRATCH_MNT/testdir/fname3 $SCRATCH_MNT/testdir/fname2
58 echo -n "bar" > $SCRATCH_MNT/testdir/fname1
59 $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir/fname1
61 # Simulate a power failure and mount the filesystem to check that all file names
62 # exist and correspond to the correct inodes.
63 _flakey_drop_and_remount
65 echo "File fname1 data after power failure: $(cat $SCRATCH_MNT/testdir/fname1)"
66 echo "File fname2 data after power failure: $(cat $SCRATCH_MNT/testdir/fname2)"
67 echo "File fname3 data after power failure: $(cat $SCRATCH_MNT/testdir/fname3)"
68 echo "File fname4 data after power failure: $(cat $SCRATCH_MNT/testdir/fname4)"