2016-07-25 23:37:22 +08:00
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#! /bin/bash
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# FS QA Test 012
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#
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# The upper dentry may become stale before we remove it from
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# overlay, e.g. file was removed from upperdir directly, which
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# triggered warning/oops in ovl_remove_and_whiteout().
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#
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# Commit cfc9fde0b07c ("ovl: verify upper dentry in
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# ovl_remove_and_whiteout()") fixed this issue.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Red Hat Inc. All Rights Reserved.
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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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here=`pwd`
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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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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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rm -f $seqres.full
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# real QA test starts here
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_supported_fs overlay
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_supported_os Linux
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_require_scratch
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# remove all files from previous runs
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_scratch_mkfs
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2017-02-28 14:18:37 +02:00
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lowerdir=$OVL_BASE_SCRATCH_MNT/$OVL_LOWER
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upperdir=$OVL_BASE_SCRATCH_MNT/$OVL_UPPER
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2016-07-25 23:37:22 +08:00
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mkdir -p $lowerdir/test
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_scratch_mount
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# remove test file to create a whiteout
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rmdir $SCRATCH_MNT/test
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# create the test file again and remove it from upperdir directly, make the
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# upper dentry become stale
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touch $SCRATCH_MNT/test
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rm $upperdir/test
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# try to remove test file from overlay dir, trigger ovl_remove_and_whiteout, it
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# should see stale file handle error, and no warnings/oops are expected.
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rm $SCRATCH_MNT/test 2>&1 | _filter_scratch
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# success, all done
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status=0
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exit
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