| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2015 SUSE Linux Products GmbH. All Rights Reserved. |
| # |
| # FSQA Test No. 106 |
| # |
| # Test that if we remove one hard link from an inode, evict the inode, fsync the |
| # inode, power fail and then mount the filesystem, the hard link we removed does |
| # not exists anymore and the filesystem metadata 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 file with 2 hard links. |
| mkdir $SCRATCH_MNT/testdir |
| touch $SCRATCH_MNT/testdir/foo |
| ln $SCRATCH_MNT/testdir/foo $SCRATCH_MNT/testdir/bar |
| |
| # Make sure everything done so far is durably persisted. |
| sync |
| |
| # Now remove one of the links, trigger inode eviction and then fsync our |
| # inode. |
| unlink $SCRATCH_MNT/testdir/bar |
| echo 2 > /proc/sys/vm/drop_caches |
| $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir/foo |
| |
| _flakey_drop_and_remount |
| |
| # Now verify our directory entries. |
| echo "Entries in testdir:" |
| ls -1 $SCRATCH_MNT/testdir |
| |
| # If we remove our inode, its parent should become empty and therefore we should |
| # be able to remove the parent. |
| 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 |