2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
5 # Functions useful for xfs_repair tests
12 # set values for off/len variables provided by db
13 eval `xfs_db -r -c "$struct" -c stack $SCRATCH_DEV | perl -ne '
14 if (/byte offset (\d+), length (\d+)/) {
15 print "offset=$1\nlength=$2\n"; exit
17 if [ -z "$offset" -o -z "$length" ]; then
18 echo "cannot calculate offset ($offset) or length ($length)"
21 length=`expr $length / 512`
22 $here/src/devzero -v $value -b 1 -n $length -o $offset $SCRATCH_DEV \
23 | perl -npe 's/\d\.\d\dKb/X.XXKb/g'
30 /- agno = / && next; # remove each AG line (variable number)
31 s/(pointer to) (\d+)/\1 INO/;
32 # Changed inode output in 5.5.0
33 s/sb root inode value /sb root inode /;
34 s/realtime bitmap inode value /realtime bitmap inode /;
35 s/realtime summary inode value /realtime summary inode /;
36 s/ino pointer to /inode pointer to /;
38 s/(sb root inode) (\d+)( \(NULLFSINO\))?/\1 INO/;
39 s/(realtime bitmap inode) (\d+)( \(NULLFSINO\))?/\1 INO/;
40 s/(realtime summary inode) (\d+)( \(NULLFSINO\))?/\1 INO/;
41 s/(inconsistent with calculated value) (\d+)/\1 INO/;
42 s/\.+(found)/\1/g; # remove "searching" output
44 s/(bad length -{0,1}\d+ for ag. 0, should be) (\d+)/\1 LENGTH/;
45 s/(bad length # -{0,1}\d+ for ag. 0, should be) (\d+)/\1 LENGTH/;
46 s/(bad agbno) (\d+)/\1 AGBNO/g;
47 s/(max =) (\d+)/\1 MAX/g;
49 s/(on inode) (\d+)/\1 INO/g;
50 s/(imap claims a free inode) (\d+)/\1 INO/;
51 s/(imap claims in-use inode) (\d+)/\1 INO/;
52 s/(cleared root inode) (\d+)/\1 INO/;
53 s/(resetting inode) (\d+)/\1 INO/;
54 s/(disconnected dir inode) (\d+)/\1 INO/;
56 s/internal log/<TYPEOF> log/g;
57 s/external log on \S+/<TYPEOF> log/g;
58 # realtime subvol - remove this whole line if it appears
59 s/ - generate realtime summary info and bitmap...\n//g;
61 # new xfs repair output filters
63 s/\s+- creating \d+ worker thread\(s\)\n//g;
64 s/\s+- reporting progress in intervals of \d+ minutes\n//g;
65 s/\s+- \d+:\d\d:\d\d:.*\n//g;
66 # 3.1.0 extra accounting output
67 /^agf_/ && next; # remove agf counts
68 /^agi_/ && next; # remove agi counts
69 /^sb_/ && next; # remove sb counts
70 /^agi unlinked/ && next; # remove agi unlinked bucket warning
71 # crc enabled filesystem output
72 /XFS_CORRUPTION_ERROR/ && next;
74 /^Metadata corruption detected/ && next;
75 /^Metadata CRC error detected/ && next;
76 /^agfl has bad CRC/ && next;
77 /^bad CRC for inode/ && next;
78 # finobt enabled filesystem output
79 s/(inode chunk) (\d+)\/(\d+)/AGNO\/INO/;
80 # sunit/swidth reset messages
81 s/^(Note - .*) were copied.*/\1 fields have been reset./;
82 s/^(Please) reset (with .*) if necessary/\1 set \2/;
83 # remove new unlinked inode test
84 /^bad next_unlinked/ && next;
85 # And make them generic so we dont depend on geometry
86 s/(stripe unit) \(.*\) (and width) \(.*\)/\1 (SU) \2 (SW)/;
88 s/(superblock) (\d+)/\1 AGNO/;
89 s/(AG \#)(\d+)/\1AGNO/;
90 s/(reset bad sb for ag) (\d+)/\1 AGNO/;
91 s/(unknown block state, ag )(\d+)(, block )(\d+)/\1AGNO\3AGBNO/;
92 /^Note - quota info will be regenerated on next quota mount.$/ && next;
96 # Filter out unknown block state messages that appear when rmap is enabled
97 # and we erase a btree root pointer (such that repair never finds the
98 # tree and fails to reconcile the metadata reverse mappings against the
100 _filter_repair_lostblocks() {
101 _filter_repair | sed -e '/unknown block state, ag AGNO, block AGBNO/d'
106 fgrep -v records # lose records in/out lines
109 # do some controlled corrupting & ensure repair recovers us
116 #ensure the filesystem has been dirtied since last repair
118 POSIXLY_CORRECT=yes \
119 dd if=/bin/bash of=$SCRATCH_MNT/sh 2>&1 |_filter_dd
121 rm -f $SCRATCH_MNT/sh
124 _zero_position $value "$structure"
125 _scratch_xfs_repair 2>&1 | _filter_repair
127 # some basic sanity checks...
129 _scratch_mount #mount
130 POSIXLY_CORRECT=yes \
131 dd if=/bin/bash of=$SCRATCH_MNT/sh 2>&1 |_filter_dd #open,write
132 POSIXLY_CORRECT=yes \
133 dd if=$SCRATCH_MNT/sh of=/dev/null 2>&1 |_filter_dd #read
134 rm -f $SCRATCH_MNT/sh #unlink
135 _scratch_unmount #umount
138 # make sure this script returns success