| #! /bin/bash |
| # FS QA Test 288 |
| # |
| # When an attribute leaf block count is 0, xfs_repair should junk |
| # that leaf directly (as xfsprogs commit f714016). |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2017 Red Hat 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 |
| |
| # remove previous $seqres.full before test |
| rm -f $seqres.full |
| |
| # Modify as appropriate. |
| _supported_fs xfs |
| _supported_os Linux |
| _require_scratch |
| _require_attrs |
| |
| # Due to xfs_db's write -d option is still not stable, and there's no |
| # plan to support attr3. So only run this case on V4 XFS. |
| # Please update this if xfs_db get enough improvement in one day. |
| if [ -z "$XFS_MKFS_HAS_NO_META_SUPPORT" ]; then |
| mkfs_opts="-m crc=0" |
| fi |
| # get block size ($dbsize) from the mkfs output |
| _scratch_mkfs_xfs $mkfs_opts 2>/dev/null | _filter_mkfs 2>$tmp.mkfs >/dev/null |
| . $tmp.mkfs |
| |
| _scratch_mount |
| |
| touch $SCRATCH_MNT/$seq.attrfile |
| inum=$(stat -c '%i' $SCRATCH_MNT/$seq.attrfile) |
| |
| # To get an attr block leaf, we need to extend attr format to extent |
| # or btree format at least, and the max inode size is half of filesystem |
| # block size, so write half of block size attr to make sure attr |
| # out of local format. |
| maxisize=$((dbsize/2)) |
| $SETFATTR_PROG -n "user.testattr${seq}" \ |
| -v "$(perl -e "print 'v' x ${maxisize};")" \ |
| $SCRATCH_MNT/$seq.attrfile |
| |
| _scratch_unmount |
| # manually corrupt the XFS, by set the header count of attr to 0 |
| _scratch_xfs_db -x -c "inode $inum" \ |
| -c "ablock 0" \ |
| -c "write hdr.count 0" >> $seqres.full |
| |
| # make sure xfs_repair can find above corruption. If it can't, that |
| # means we need to fix this bug on current xfs_repair |
| _scratch_xfs_repair -n >> $seqres.full 2>&1 |
| if [ $? -eq 0 ];then |
| _fail "xfs_repair can't find the corruption" |
| else |
| # If xfs_repair can find this corruption, then this repair |
| # should junk above leaf attribute and fix this XFS. |
| _scratch_xfs_repair >> $seqres.full 2>&1 |
| |
| # Old xfs_repair maybe find and fix this corruption by |
| # reset the first used heap value and the usedbytes cnt |
| # in ablock 0. That's not what we want. So check if |
| # xfs_repair has junked the whole ablock 0 by xfs_db. |
| _scratch_xfs_db -x -c "inode $inum" -c "ablock 0" | \ |
| grep -q "no attribute data" |
| if [ $? -ne 0 ]; then |
| _fail "xfs_repair didn't junk the empty attr leaf" |
| fi |
| fi |
| |
| echo "Silence is golden" |
| |
| # success, all done |
| status=0 |
| exit |