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#! /bin/bash
# FS QA Test No. 221
#
# Check for file corruption when using the extent size hint on
# the normal data subvolume.
#
# http://oss.sgi.com/bugzilla/show_bug.cgi?id=874
#
# Based on a bug report and testcase from Geoffrey Wehrman <gwehrman@sgi.com>.
#
#-----------------------------------------------------------------------
# Copyright (c) 2010 Christoph Hellwig. All Rights Reserved.
# Copyright (c) 2010 Silicon Graphics, 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
#
#-----------------------------------------------------------------------
#
# creator
owner=hch@lst.de
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
_cleanup()
{
rm -rf ${TDIR}
}
trap "_cleanup ; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
# real QA test starts here
_supported_fs xfs
_supported_os Linux
TDIR="${TEST_DIR}/t_holes"
NFILES="10"
EXTSIZE="256k"
# Create the test directory
mkdir ${TDIR}
# Set the test directory extsize
xfs_io -c "extsize ${EXTSIZE}" ${TDIR}
# Create a set of holey files
echo "generating ${NFILES} files"
for i in $(seq 0 ${NFILES}); do
$here/src/t_holes ${TDIR}/${i}
done
# Compare the files
echo "comparing files"
errcnt=0
j=0
for i in $(seq 0 ${NFILES}); do
let j=$i+1
while [ ${j} -lt ${NFILES} ] ; do
if ! cmp ${TDIR}/${i} ${TDIR}/${j} ; then
let errcnt=$errcnt+1
fi
let j=$j+1
done
done
echo "got ${errcnt} errors"
status=$errcnt
exit $status
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