2016-05-09 10:57:39 +10:00
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#! /bin/bash
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2018-06-09 11:35:42 +10:00
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2016 SUSE Linux Products GmbH. All Rights Reserved.
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#
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2016-05-09 10:57:39 +10:00
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# FSQA Test No. 348
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#
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# Test creating a symlink, fsync its parent directory, power fail and mount
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# again the filesystem. After these steps the symlink should exist and its
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# content must match what we specified when we created it (must not be empty
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# or point to something else).
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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_cleanup_flakey
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/dmflakey
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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_require_dm_target flakey
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rm -f $seqres.full
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_scratch_mkfs >>$seqres.full 2>&1
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2017-08-24 16:17:38 +02:00
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_require_metadata_journaling $SCRATCH_DEV
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2016-05-09 10:57:39 +10:00
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_init_flakey
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_mount_flakey
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mkdir $SCRATCH_MNT/testdir1
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# Make sure it's durably persisted.
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sync
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# Create our symlinks and fsync their parent directories.
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# We test both the case where the parent directory is new (not yet durably
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# persisted) and where the parent existed long time before.
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ln -s $SCRATCH_MNT/foo1 $SCRATCH_MNT/testdir1/bar1
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$XFS_IO_PROG -c fsync $SCRATCH_MNT/testdir1
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mkdir $SCRATCH_MNT/testdir2
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ln -s $SCRATCH_MNT/foo2 $SCRATCH_MNT/testdir2/bar2
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$XFS_IO_PROG -c fsync $SCRATCH_MNT/testdir2
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# After a power failure and mounting again the filesystem, we expect to see the
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# symlinks and we expect them to point to foo1 and foo2.
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_flakey_drop_and_remount
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echo "Symlink contents after log replay:"
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readlink $SCRATCH_MNT/testdir1/bar1 | _filter_scratch
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readlink $SCRATCH_MNT/testdir2/bar2 | _filter_scratch
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_unmount_flakey
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status=0
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exit
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