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|
#! /bin/bash
# FS QA Test No. 097
#
# Create and populate an XFS filesystem, corrupt the finobt, then see how
# the kernel and xfs_repair deal with it.
#
#-----------------------------------------------------------------------
# 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 15
_cleanup()
{
cd /
#rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/attr
. ./common/populate
# real QA test starts here
_supported_fs xfs
_supported_os Linux
_require_scratch
_require_xfs_mkfs_finobt
_require_xfs_finobt
test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc
_require_attrs
_require_populate_commands
_require_xfs_db_blocktrash_z_command
test -z "${FUZZ_ARGS}" && FUZZ_ARGS="-n 8 -3"
rm -f $seqres.full
TESTDIR="${SCRATCH_MNT}/scratchdir"
TESTFILE="${TESTDIR}/testfile"
echo "+ create scratch fs"
_scratch_mkfs_xfs > /dev/null
echo "+ mount fs image"
_scratch_mount
xfs_info "${SCRATCH_MNT}" | grep -q "finobt=1" || _notrun "finobt not enabled"
blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
echo "+ make some files"
mkdir -p "${TESTDIR}"
for x in `seq 1 1024`; do
touch "${SCRATCH_MNT}/junk.${x}"
inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
if [ "$x" -gt 512 ] && [ "$((inode % 64))" -eq 0 ]; then
mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
break
fi
done
for x in `seq 2 64`; do
touch "${TESTFILE}.${x}"
done
inode="$(stat -c '%i' "${TESTFILE}.1")"
agcount="$(xfs_info "${SCRATCH_MNT}" | grep agcount= | sed -e 's/^.*agcount=\([0-9]*\),.*$/\1/g')"
umount "${SCRATCH_MNT}"
echo "+ check fs"
_scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
echo "+ corrupt image"
for ag in $(seq 1 $((agcount - 1))) 0; do
_scratch_xfs_db -x -c "agi ${ag}" -c "agi ${ag}" -c "addr free_root" -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full 2>&1
done
echo "+ mount image"
_scratch_mount
echo "+ modify files"
broken=0
for x in `seq 65 70`; do
touch "${TESTFILE}.${x}" 2> /dev/null || broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
echo "+ repair fs"
_scratch_xfs_repair >> $seqres.full 2>&1
echo "+ mount image (2)"
_scratch_mount
echo "+ chattr -R -i"
$CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
echo "+ modify files (2)"
broken=0
for x in `seq 65 70`; do
touch "${TESTFILE}.${x}" || broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
echo "+ check fs (2)"
_scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
status=0
exit
|