| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2015 SUSE Linux Products GmbH. All Rights Reserved. |
| # |
| # FSQA Test No. 104 |
| # |
| # Test that if we add hard links (in the same directory) to two files and then |
| # fsync only one of the files, after the fsync log/journal is replayed all the |
| # links exist and the filesystem metadata (directory and file inodes) is in a |
| # consistent state. |
| # |
| . ./common/preamble |
| _begin_fstest auto quick metadata log |
| |
| # Override the default cleanup function. |
| _cleanup() |
| { |
| _cleanup_flakey |
| rm -f $tmp.* |
| } |
| |
| # Import common functions. |
| . ./common/filter |
| . ./common/dmflakey |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_scratch |
| _require_hardlinks |
| _require_dm_target flakey |
| |
| _scratch_mkfs >>$seqres.full 2>&1 |
| _require_metadata_journaling $SCRATCH_DEV |
| _init_flakey |
| _mount_flakey |
| |
| # Create our test directory and files. |
| mkdir $SCRATCH_MNT/testdir |
| touch $SCRATCH_MNT/testdir/foo |
| touch $SCRATCH_MNT/testdir/bar |
| |
| # Make sure everything done so far is durably persisted. |
| sync |
| |
| # Create one hard link for file foo and another one for file bar. After that |
| # fsync only the file bar. |
| ln $SCRATCH_MNT/testdir/bar $SCRATCH_MNT/testdir/bar_link |
| ln $SCRATCH_MNT/testdir/foo $SCRATCH_MNT/testdir/foo_link |
| $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir/bar |
| |
| _flakey_drop_and_remount |
| |
| # Now verify both our files have a link count of 2. |
| echo "Link count for file foo: $(stat -c %h $SCRATCH_MNT/testdir/foo)" |
| echo "Link count for file bar: $(stat -c %h $SCRATCH_MNT/testdir/bar)" |
| |
| # We should be able to remove all the links of our files in testdir, and after |
| # that the parent directory should become empty and therefore possible to |
| # remove it. |
| rm -f $SCRATCH_MNT/testdir/* |
| rmdir $SCRATCH_MNT/testdir |
| |
| _unmount_flakey |
| |
| # The fstests framework will call fsck against our filesystem which will verify |
| # that all metadata is in a consistent state. |
| |
| status=0 |
| exit |