| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. |
| # |
| # FS QA Test No. 030 |
| # |
| # exercise xfs_repair repairing broken filesystems |
| # |
| seqfull=$0 |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| |
| _cleanup() |
| { |
| cd / |
| _scratch_unmount 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 |
| . ./common/quota |
| |
| # 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" | uniq | |
| sed -e '/^error following ag 0 unlinked list$/d' \ |
| -e '/^bad agbno AGBNO for finobt/d' \ |
| -e '/^bad agbno AGBNO for rmapbt/d' \ |
| -e '/^bad agbno AGBNO for refcntbt/d' \ |
| -e '/^agf has bad CRC/d' \ |
| -e '/^agi has bad CRC/d' \ |
| -e '/^bad inobt block count/d' \ |
| -e '/^bad finobt block count/d' \ |
| -e '/^Missing reverse-mapping record.*/d' \ |
| -e '/^bad levels LEVELS for [a-z]* root.*/d' \ |
| -e '/^unknown block state, ag AGNO, block.*/d' |
| done |
| } |
| |
| # real QA test starts here |
| _supported_fs xfs |
| |
| _require_scratch |
| _require_no_large_scratch_dev |
| |
| DSIZE="-dsize=100m,agcount=6" |
| |
| # 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 |
| _qmount_option noquota |
| _scratch_mount |
| $here/src/feature -U $SCRATCH_DEV && \ |
| _notrun "UQuota are enabled, test needs controlled sb recovery" |
| $here/src/feature -G $SCRATCH_DEV && \ |
| _notrun "GQuota are enabled, test needs controlled sb recovery" |
| $here/src/feature -P $SCRATCH_DEV && \ |
| _notrun "PQuota are enabled, test needs controlled sb recovery" |
| _scratch_unmount |
| fi |
| clear="" |
| eval `xfs_db -r -c "sb 1" -c stack $SCRATCH_DEV | perl -ne ' |
| if (/byte offset (\d+), length (\d+)/) { |
| print "clear=", $1 / 512, "\n"; exit |
| }'` |
| [ -z "$clear" ] && echo "Cannot calculate length to clear" |
| $here/src/devzero -v -1 -n "$clear" $SCRATCH_DEV >/dev/null |
| |
| # now kick off the real repair test... |
| # |
| _scratch_mkfs_xfs $DSIZE | _filter_mkfs 2>$tmp.mkfs |
| . $tmp.mkfs |
| _check_ag 0 |
| _check_ag -1 |
| |
| # success, all done |
| status=0 |
| exit |