4 # exercise xfs_repair repairing broken filesystems
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28 echo "QA output created by $seq"
32 status=1 # failure is the default!
37 umount $SCRATCH_DEV 2>/dev/null
41 trap "_cleanup; exit \$status" 0 1 2 3 15
43 # get standard environment, filters and checks
48 # link correct .out file
49 _link_out_file $seq.out
51 # nuke the superblock, AGI, AGF, AGFL; then try repair the damage
55 for structure in 'sb 0' 'agf 0' 'agi 0' 'agfl 0'
57 echo "Corrupting $structure - setting bits to $1"
58 _check_repair $1 "$structure"
62 # real QA test starts here
64 _supported_os IRIX Linux
69 DSIZE="-dsize=100m,agcount=6"
71 # first we need to ensure there are no bogus secondary
72 # superblocks between the primary and first secondary
73 # superblock (hanging around from earlier tests)...
76 _scratch_mkfs_xfs $DSIZE >/dev/null 2>&1
77 if [ $? -ne 0 ] # probably don't have a big enough scratch
79 _notrun "SCRATCH_DEV too small, results would be non-deterministic"
82 src/feature -U $SCRATCH_DEV && \
83 _notrun "UQuota are enabled, test needs controlled sb recovery"
84 src/feature -G $SCRATCH_DEV && \
85 _notrun "GQuota are enabled, test needs controlled sb recovery"
86 src/feature -P $SCRATCH_DEV && \
87 _notrun "PQuota are enabled, test needs controlled sb recovery"
91 eval `xfs_db -r -c "sb 1" -c stack $SCRATCH_DEV | perl -ne '
92 if (/byte offset (\d+), length (\d+)/) {
93 print "clear=", $1 / 512, "\n"; exit
95 [ -z "$clear" ] && echo "Cannot calculate length to clear"
96 src/devzero -v -1 -n "$clear" $SCRATCH_DEV >/dev/null
98 # now kick off the real repair test...
100 _scratch_mkfs_xfs $DSIZE | _filter_mkfs 2>$tmp.mkfs