2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
7 # exercise xfs_repair repairing broken filesystems
11 _begin_fstest repair auto quick
13 # Override the default cleanup function.
17 _scratch_unmount 2>/dev/null
21 # Import common functions.
26 # nuke the superblock, AGI, AGF, AGFL; then try repair the damage
30 for structure in 'sb 0' 'agf 0' 'agi 0' 'agfl 0'
32 echo "Corrupting $structure - setting bits to $1"
33 _check_repair $1 "$structure" | uniq |
34 sed -e '/^error following ag 0 unlinked list$/d' \
35 -e '/^bad agbno AGBNO for finobt/d' \
36 -e '/^bad agbno AGBNO for rmapbt/d' \
37 -e '/^bad agbno AGBNO for refcntbt/d' \
38 -e '/^agf has bad CRC/d' \
39 -e '/^agi has bad CRC/d' \
40 -e '/^bad inobt block count/d' \
41 -e '/^bad finobt block count/d' \
42 -e '/^Missing reverse-mapping record.*/d' \
43 -e '/^bad levels LEVELS for [a-z]* root.*/d' \
44 -e '/^unknown block state, ag AGNO, block.*/d'
48 # real QA test starts here
52 _require_no_large_scratch_dev
54 DSIZE="-dsize=100m,agcount=6"
56 # first we need to ensure there are no bogus secondary
57 # superblocks between the primary and first secondary
58 # superblock (hanging around from earlier tests)...
61 _scratch_mkfs_xfs $DSIZE >/dev/null 2>&1
62 if [ $? -ne 0 ] # probably don't have a big enough scratch
64 _notrun "SCRATCH_DEV too small, results would be non-deterministic"
66 _qmount_option noquota
68 $here/src/feature -U $SCRATCH_DEV && \
69 _notrun "UQuota are enabled, test needs controlled sb recovery"
70 $here/src/feature -G $SCRATCH_DEV && \
71 _notrun "GQuota are enabled, test needs controlled sb recovery"
72 $here/src/feature -P $SCRATCH_DEV && \
73 _notrun "PQuota are enabled, test needs controlled sb recovery"
77 eval `_scratch_xfs_db -r -c "sb 1" -c stack | perl -ne '
78 if (/byte offset (\d+), length (\d+)/) {
79 print "clear=", $1 / 512, "\n"; exit
81 [ -z "$clear" ] && echo "Cannot calculate length to clear"
82 $here/src/devzero -v -1 -n "$clear" $SCRATCH_DEV >/dev/null
84 # now kick off the real repair test...
86 _scratch_mkfs_xfs $DSIZE | _filter_mkfs 2>$tmp.mkfs