Files
apfstests/tests/generic/178
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. 178
#
# Ensure that punch-hole doesn't clobber CoW.
#
#-----------------------------------------------------------------------
# Copyright (c) 2015, Oracle and/or its affiliates. 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 15
_cleanup()
{
cd /
rm -rf $tmp.* $testdir
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/reflink
# real QA test starts here
_supported_os Linux
_require_test_reflink
_require_cp_reflink
_require_xfs_io_command "fpunch"
rm -f $seqres.full
testdir=$TEST_DIR/test-$seq
rm -rf $testdir
mkdir $testdir
echo "Create the original files"
blksz=65536
nr=512
filesize=$((blksz * nr))
_pwrite_byte 0x61 0 $filesize $testdir/file1 >> $seqres.full
_cp_reflink $testdir/file1 $testdir/file2
_test_remount
md5sum $testdir/file1 | _filter_test_dir
md5sum $testdir/file2 | _filter_test_dir
echo "Write and punch"
_pwrite_byte 0x62 0 $((blksz * 256)) $testdir/file2 >> $seqres.full
$XFS_IO_PROG -f -c "fpunch $blksz $((blksz * 254))" $testdir/file2
_test_remount
echo "Compare results"
md5sum $testdir/file1 | _filter_test_dir
md5sum $testdir/file2 | _filter_test_dir
# success, all done
status=0
exit