4 # exercise xfs_repair repairing broken filesystems
6 #-----------------------------------------------------------------------
7 # Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
8 #-----------------------------------------------------------------------
14 echo "QA output created by $seq"
18 status=1 # failure is the default!
23 umount $SCRATCH_DEV 2>/dev/null
27 trap "_cleanup; exit \$status" 0 1 2 3 15
29 # get standard environment, filters and checks
34 # link correct .out file
35 _link_out_file $seq.out
37 # nuke the superblock, AGI, AGF, AGFL; then try repair the damage
41 for structure in 'sb 0' 'agf 0' 'agi 0' 'agfl 0'
43 echo "Corrupting $structure - setting bits to $1"
44 _check_repair $1 "$structure"
48 # real QA test starts here
50 _supported_os IRIX Linux
57 # first we need to ensure there are no bogus secondary
58 # superblocks between the primary and first secondary
59 # superblock (hanging around from earlier tests)...
62 _scratch_mkfs_xfs $DSIZE >/dev/null 2>&1
63 if [ $? -ne 0 ] # probably don't have a big enough scratch
65 _notrun "SCRATCH_DEV too small, results would be non-deterministic"
68 src/feature -U $SCRATCH_DEV && \
69 _notrun "Quota are enabled, test needs controlled sb recovery"
70 src/feature -G $SCRATCH_DEV && \
71 _notrun "Quota are enabled, test needs controlled sb recovery"
72 src/feature -P $SCRATCH_DEV && \
73 _notrun "Quota are enabled, test needs controlled sb recovery"
77 eval `xfs_db -r -c "sb 1" -c stack $SCRATCH_DEV | 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 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