Files
apfstests/tests/generic/163
T
Darrick J. Wong 2616587012 reflink: fix style problems in existing tests
Fix style problems such as unnecessary use of quotes, add helper
variables to reduce visual clutter, and other minor fixes to make the
first batch of tests more closely resemble the second round tests.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2016-02-12 09:39:05 -08:00

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#! /bin/bash
# FS QA Test No. 163
#
# Test for race between dedupe and writing the source file
#
#-----------------------------------------------------------------------
# Copyright (c) 2015 Oracle, Inc. All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#-----------------------------------------------------------------------
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 7 15
_cleanup()
{
cd /
rm -rf $tmp.*
wait
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/reflink
# real QA test starts here
_supported_os Linux
_require_scratch_dedupe
echo "Format and mount"
_scratch_mkfs > $seqres.full 2>&1
_scratch_mount >> $seqres.full 2>&1
testdir=$SCRATCH_MNT/test-$seq
mkdir $testdir
loops=512
nr_loops=$((loops - 1))
blksz=65536
echo "Initialize files"
echo > $seqres.full
_pwrite_byte 0x61 0 $((loops * blksz)) $testdir/file1 >> $seqres.full
_pwrite_byte 0x61 0 $((loops * blksz)) $testdir/file2 >> $seqres.full
_scratch_remount
overwrite() {
while [ ! -e $testdir/finished ]; do
seq $nr_loops -1 0 | while read i; do
_pwrite_byte 0x61 $((i * blksz)) $blksz $testdir/file1 >> $seqres.full
done
done
}
echo "Dedupe and rewrite the file!"
overwrite &
for i in `seq 1 2`; do
seq $nr_loops -1 0 | while read i; do
_dedupe_range $testdir/file1 $((i * blksz)) \
$testdir/file2 $((i * blksz)) $blksz >> $seqres.full
[ $? -ne 0 ] && break
done
done
echo "Finished dedupeing"
touch $testdir/finished
wait
# success, all done
status=0
exit