2015-08-04 14:10:49 +10:00
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#! /bin/bash
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# FSQA Test No. 104
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#
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# Test that if we add hard links (in the same directory) to two files and then
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# fsync only one of the files, after the fsync log/journal is replayed all the
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# links exist and the filesystem metadata (directory and file inodes) is in a
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# consistent state.
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#
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#-----------------------------------------------------------------------
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#
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# Copyright (C) 2015 SUSE Linux Products GmbH. All Rights Reserved.
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# Author: Filipe Manana <fdmanana@suse.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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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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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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2015-10-14 14:08:42 +11:00
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_require_dm_target flakey
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2015-08-04 14:10:49 +10:00
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_require_metadata_journaling $SCRATCH_DEV
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rm -f $seqres.full
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_scratch_mkfs >>$seqres.full 2>&1
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_init_flakey
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_mount_flakey
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# Create our test directory and files.
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mkdir $SCRATCH_MNT/testdir
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touch $SCRATCH_MNT/testdir/foo
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touch $SCRATCH_MNT/testdir/bar
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# Make sure everything done so far is durably persisted.
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sync
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# Create one hard link for file foo and another one for file bar. After that
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# fsync only the file bar.
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ln $SCRATCH_MNT/testdir/bar $SCRATCH_MNT/testdir/bar_link
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ln $SCRATCH_MNT/testdir/foo $SCRATCH_MNT/testdir/foo_link
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$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir/bar
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2015-11-17 08:41:32 +11:00
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_flakey_drop_and_remount
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2015-08-04 14:10:49 +10:00
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# Now verify both our files have a link count of 2.
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2015-09-21 13:06:18 +10:00
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echo "Link count for file foo: $(stat -c %h $SCRATCH_MNT/testdir/foo)"
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echo "Link count for file bar: $(stat -c %h $SCRATCH_MNT/testdir/bar)"
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2015-08-04 14:10:49 +10:00
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# We should be able to remove all the links of our files in testdir, and after
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# that the parent directory should become empty and therefore possible to
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# remove it.
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rm -f $SCRATCH_MNT/testdir/*
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rmdir $SCRATCH_MNT/testdir
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_unmount_flakey
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# The fstests framework will call fsck against our filesystem which will verify
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# that all metadata is in a consistent state.
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status=0
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exit
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