| #! /bin/bash |
| # FS QA Test No. 091 |
| # |
| # Create and populate an XFS filesystem, corrupt the cntbt, 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 $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/attr |
| . ./common/populate |
| |
| # real QA test starts here |
| _supported_fs xfs |
| _supported_os Linux |
| |
| _require_scratch |
| test -n "${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="${TESTDIR}/testfile" |
| |
| echo "+ create scratch fs" |
| _scratch_mkfs_xfs > /dev/null |
| |
| echo "+ mount fs image" |
| _scratch_mount |
| blksz="$(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 "agf ${ag}" -c "agf ${ag}" -c "addr cntroot" -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full 2>&1 |
| done |
| |
| # Try to append to files; this should fail |
| echo "+ mount image" |
| _scratch_mount |
| |
| echo "+ modify files" |
| for x in `seq 1 64`; do |
| $XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full |
| done |
| umount "${SCRATCH_MNT}" |
| |
| echo "+ repair fs" |
| _scratch_xfs_repair >> $seqres.full 2>&1 |
| |
| echo "+ mount image" |
| _scratch_mount |
| |
| echo "+ chattr -R -i" |
| $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/" |
| |
| echo "+ check files" |
| ls -la "${TESTDIR}" >> $seqres.full |
| broken=0 |
| for x in `seq 1 64`; do |
| test -s "${TESTFILE}.${x}" || broken=1 |
| done |
| echo "broken: ${broken}" |
| |
| # Try appending again, now that we've fixed the fs |
| echo "+ modify files (2)" |
| for x in `seq 1 64`; do |
| $XFS_IO_PROG -f -c "pwrite -S 0x62 ${blksz} ${blksz}" "${TESTFILE}.${x}" >> $seqres.full |
| done |
| umount "${SCRATCH_MNT}" |
| |
| echo "+ repair fs" |
| _scratch_xfs_repair >> $seqres.full 2>&1 |
| |
| echo "+ mount image" |
| _scratch_mount |
| |
| echo "+ chattr -R -i" |
| $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/" |
| |
| echo "+ check files (2)" |
| broken=0 |
| for x in `seq 1 64`; do |
| test -s "${TESTFILE}.${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 |