| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2016 SUSE Linux Products GmbH. All Rights Reserved. |
| # |
| # FSQA Test No. 348 |
| # |
| # Test creating a symlink, fsync its parent directory, power fail and mount |
| # again the filesystem. After these steps the symlink should exist and its |
| # content must match what we specified when we created it (must not be empty |
| # or point to something else). |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| _cleanup_flakey |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/dmflakey |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_scratch |
| _require_symlinks |
| _require_dm_target flakey |
| |
| rm -f $seqres.full |
| |
| _scratch_mkfs >>$seqres.full 2>&1 |
| _require_metadata_journaling $SCRATCH_DEV |
| _init_flakey |
| _mount_flakey |
| |
| mkdir $SCRATCH_MNT/testdir1 |
| # Make sure it's durably persisted. |
| sync |
| |
| # Create our symlinks and fsync their parent directories. |
| # We test both the case where the parent directory is new (not yet durably |
| # persisted) and where the parent existed long time before. |
| ln -s $SCRATCH_MNT/foo1 $SCRATCH_MNT/testdir1/bar1 |
| $XFS_IO_PROG -c fsync $SCRATCH_MNT/testdir1 |
| mkdir $SCRATCH_MNT/testdir2 |
| ln -s $SCRATCH_MNT/foo2 $SCRATCH_MNT/testdir2/bar2 |
| $XFS_IO_PROG -c fsync $SCRATCH_MNT/testdir2 |
| |
| # After a power failure and mounting again the filesystem, we expect to see the |
| # symlinks and we expect them to point to foo1 and foo2. |
| _flakey_drop_and_remount |
| |
| echo "Symlink contents after log replay:" |
| readlink $SCRATCH_MNT/testdir1/bar1 | _filter_scratch |
| readlink $SCRATCH_MNT/testdir2/bar2 | _filter_scratch |
| |
| _unmount_flakey |
| status=0 |
| exit |