| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved. |
| # |
| # FS QA Test No. 498 |
| # |
| # Test that if we create a new hard link for a file which was previously |
| # fsync'ed, fsync a parent directory of the new hard link and power fail, |
| # the parent directory exists after mounting the filesystem again. |
| # |
| 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_hardlinks |
| _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/A |
| mkdir $SCRATCH_MNT/B |
| mkdir $SCRATCH_MNT/A/C |
| touch $SCRATCH_MNT/B/foo |
| $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/B/foo |
| # It is important the new hard link is located in a hierarchy of new directories |
| # (not yet persisted). |
| ln $SCRATCH_MNT/B/foo $SCRATCH_MNT/A/C/foo |
| $XFS_IO_PROG -c "fsync" $SCRATCH_MNT/A |
| |
| # Simulate a power failure and mount the filesystem to check that what we |
| # explicitly fsync'ed exists. |
| _flakey_drop_and_remount |
| |
| [ -d $SCRATCH_MNT/A ] || echo "directory A missing" |
| [ -f $SCRATCH_MNT/B/foo ] || echo "file B/foo is missing" |
| |
| _unmount_flakey |
| |
| echo "Silence is golden" |
| status=0 |
| exit |