5 # exercise xfs_repair repairing broken filesystems
7 #-----------------------------------------------------------------------
8 # Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
10 # This program is free software; you can redistribute it and/or modify it
11 # under the terms of version 2 of the GNU General Public License as
12 # published by the Free Software Foundation.
14 # This program is distributed in the hope that it would be useful, but
15 # WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
18 # Further, this software is distributed without any warranty that it is
19 # free of the rightful claim of any third person regarding infringement
20 # or the like. Any license provided herein, whether implied or
21 # otherwise, applies only to this software file. Patent licenses, if
22 # any, provided herein do not apply to combinations of this program with
23 # other software, or any other product whatsoever.
25 # You should have received a copy of the GNU General Public License along
26 # with this program; if not, write the Free Software Foundation, Inc., 59
27 # Temple Place - Suite 330, Boston MA 02111-1307, USA.
29 # Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
30 # Mountain View, CA 94043, or:
34 # For further information regarding this notice, see:
36 # http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
37 #-----------------------------------------------------------------------
43 echo "QA output created by $seq"
47 status=1 # failure is the default!
51 umount $SCRATCH_DEV 2>/dev/null
55 trap "_cleanup; exit \$status" 0 1 2 3 15
57 # get standard environment, filters and checks
62 # nuke the superblock, AGI, AGF, AGFL; then try repair the damage
66 for structure in 'sb 0' 'agf 0' 'agi 0' 'agfl 0'
68 echo "Corrupting $structure - setting bits to $1"
69 _check_repair $1 "$structure"
73 # real QA test starts here
76 # first we need to ensure there are no bogus secondary
77 # superblocks between the primary and first secondary
78 # superblock (hanging around from earlier tests)...
81 mkfs -t xfs -f $size $SCRATCH_DEV >/dev/null 2>&1
82 if [ $? -ne 0 ] # probably don't have a big enough scratch
84 _notrun "SCRATCH_DEV too small, results would be non-deterministic"
86 mount -t xfs $SCRATCH_DEV $SCRATCH_MNT
87 src/feature -U $SCRATCH_DEV && \
88 _notrun "Quota are enabled, test needs controlled sb recovery"
89 src/feature -G $SCRATCH_DEV && \
90 _notrun "Quota are enabled, test needs controlled sb recovery"
94 eval `xfs_db -r -c "sb 1" -c stack $SCRATCH_DEV | perl -ne '
95 if (/byte offset (\d+), length (\d+)/) {
96 print "clear=", $1 / 512, "\n"; exit
98 [ -z "$clear" ] && echo "Cannot calculate length to clear"
99 src/devzero -v -1 -n "$clear" $SCRATCH_DEV >/dev/null
101 # now kick off the real repair test...
103 mkfs -t xfs -f $size $SCRATCH_DEV | _filter_mkfs 2>$tmp.mkfs