2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
7 # Test that when a fsync journal/log exists, if we rename a special file (fifo,
8 # symbolic link or device), create a hard link for it with its old name and then
9 # commit the journal/log, if a power loss happens the filesystem will not fail
10 # to replay the journal/log when it is mounted the next time.
13 _begin_fstest auto quick metadata log
15 # Override the default cleanup function.
23 # Import common functions.
27 # real QA test starts here
32 _require_dm_target flakey
38 _scratch_mkfs >>$seqres.full 2>&1
39 _require_metadata_journaling $SCRATCH_DEV
43 mkdir $SCRATCH_MNT/testdir
46 ln -s xxx $SCRATCH_MNT/testdir/foo
49 mkfifo $SCRATCH_MNT/testdir/foo
52 mknod $SCRATCH_MNT/testdir/foo c 0 0
55 _fail "Invalid file type argument: $file_type"
57 # Make sure everything done so far is durably persisted.
60 # Create a file and fsync it just to create a journal/log. This file
61 # must be in the same directory as our special file "foo".
62 touch $SCRATCH_MNT/testdir/f1
63 $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir/f1
65 # Rename our special file and then create link that has its old name.
66 mv $SCRATCH_MNT/testdir/foo $SCRATCH_MNT/testdir/bar
67 ln $SCRATCH_MNT/testdir/bar $SCRATCH_MNT/testdir/foo
69 # Create a second file and fsync it. This is just to durably persist the
70 # fsync journal/log which is typically modified by the previous rename
71 # and link operations. This file does not need to be placed in the same
72 # directory as our special file.
74 $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/f2
76 # Simulate a power failure and mount the filesystem to check that
77 # replaying the fsync log/journal succeeds, that is the mount operation
79 _flakey_drop_and_remount
88 echo "Silence is golden"