| #! /bin/bash |
| # FS QA Test No. 148 |
| # |
| # Exercise xfs parallel repair on broken filesystems |
| # This is a clone of test 030 useing xfs_prepair64 instead of xfs_repair |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2006 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=ddiss@sgi.com |
| |
| seq=`basename $0` |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| |
| _cleanup() |
| { |
| cd / |
| umount $SCRATCH_DEV 2>/dev/null |
| rm -f $tmp.* |
| } |
| |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| . ./common.repair |
| |
| [ -z "$XFS_PARALLEL_REPAIR64_PROG" ] && _notrun "parallel repair binary xfs_prepair64 is not installed" |
| |
| # force use of parallel repair |
| export XFS_REPAIR_PROG=$XFS_PARALLEL_REPAIR64_PROG |
| |
| # nuke the superblock, AGI, AGF, AGFL; then try repair the damage |
| # |
| _check_ag() |
| { |
| for structure in 'sb 0' 'agf 0' 'agi 0' 'agfl 0' |
| do |
| echo "Corrupting $structure - setting bits to $1" |
| _check_repair $1 "$structure" |
| done |
| } |
| |
| # real QA test starts here |
| _supported_fs xfs |
| _supported_os IRIX Linux |
| |
| _require_nobigloopfs |
| _require_scratch |
| |
| DSIZE="-dsize=100m" |
| |
| # first we need to ensure there are no bogus secondary |
| # superblocks between the primary and first secondary |
| # superblock (hanging around from earlier tests)... |
| # |
| |
| _scratch_mkfs_xfs $DSIZE >/dev/null 2>&1 |
| if [ $? -ne 0 ] # probably don't have a big enough scratch |
| then |
| _notrun "SCRATCH_DEV too small, results would be non-deterministic" |
| else |
| _scratch_mount |
| src/feature -U $SCRATCH_DEV && \ |
| _notrun "UQuota are enabled, test needs controlled sb recovery" |
| src/feature -G $SCRATCH_DEV && \ |
| _notrun "GQuota are enabled, test needs controlled sb recovery" |
| src/feature -P $SCRATCH_DEV && \ |
| _notrun "PQuota are enabled, test needs controlled sb recovery" |
| umount $SCRATCH_DEV |
| fi |
| clear="" |
| eval `xfs_db -r -c "sb 1" -c stack $SCRATCH_DEV | $PERL_PROG -ne ' |
| if (/byte offset (\d+), length (\d+)/) { |
| print "clear=", $1 / 512, "\n"; exit |
| }'` |
| [ -z "$clear" ] && echo "Cannot calculate length to clear" |
| src/devzero -v -1 -n "$clear" $SCRATCH_DEV >/dev/null |
| |
| # now kick off the real prepair test... |
| # |
| _scratch_mkfs_xfs $DSIZE | _filter_mkfs 2>$tmp.mkfs |
| . $tmp.mkfs |
| _check_ag 0 |
| _check_ag -1 |
| |
| |
| # success, all done |
| status=0 |
| exit |