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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2010 Christoph Hellwig. All Rights Reserved.
# Copyright (c) 2010 Silicon Graphics, Inc. All Rights Reserved.
#
# 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>.
#
. ./common/preamble
_begin_fstest auto rw
# Override the default cleanup function.
_cleanup()
{
rm -rf ${TDIR}
}
# Import common functions.
# real QA test starts here
_supported_fs xfs
_require_test
_require_fs_space $TEST_DIR 3200000
TDIR="${TEST_DIR}/t_holes"
NFILES="10"
EXTSIZE="256k"
# Create the test directory
mkdir ${TDIR}
# Per-directory extent size hints aren't particularly useful for files that
# are created on the realtime section. Force the test file to be created on
# the data directory. Do not change the rtinherit flag on $TEST_DIR because
# that will affect other tests.
_xfs_force_bdev data $TDIR
# Set the test directory extsize
$XFS_IO_PROG -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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