mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Dave Chinner
b4b13ee325
Merge of master-melb:xfs-cmds:28770a by kenmcd. Make sure the repair tests dirty the filesystem before corrupting it.
100 lines
2.7 KiB
Plaintext
100 lines
2.7 KiB
Plaintext
##/bin/sh
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#
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# Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
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#
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# Functions useful for xfs_repair tests
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#
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_zero_position()
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{
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value=$1
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struct="$2"
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# set values for off/len variables provided by db
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eval `xfs_db -r -c "$struct" -c stack $SCRATCH_DEV | perl -ne '
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if (/byte offset (\d+), length (\d+)/) {
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print "offset=$1\nlength=$2\n"; exit
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}'`
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if [ -z "$offset" -o -z "$length" ]; then
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echo "cannot calculate offset ($offset) or length ($length)"
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exit
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fi
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length=`expr $length / 512`
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src/devzero -v $value -b 1 -n $length -o $offset $SCRATCH_DEV \
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| perl -npe 's/\d\.\d\dKb/X.XXKb/g'
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}
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_filter_repair()
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{
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perl -ne '
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# for sb
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/- agno = / && next; # remove each AG line (variable number)
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s/(pointer to) (\d+)/\1 INO/;
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s/(sb root inode value) (\d+)( \(NULLFSINO\))?/\1 INO/;
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s/(realtime bitmap inode) (\d+)( \(NULLFSINO\))?/\1 INO/;
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s/(realtime summary inode) (\d+)( \(NULLFSINO\))?/\1 INO/;
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s/(inconsistent with calculated value) (\d+)/\1 INO/;
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s/\.+(found)/\1/g; # remove "searching" output
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# for agf + agi
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s/(bad length -{0,1}\d+ for ag. 0, should be) (\d+)/\1 LENGTH/;
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s/(bad length # -{0,1}\d+ for ag. 0, should be) (\d+)/\1 LENGTH/;
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s/(bad agbno) (\d+)/\1 AGBNO/g;
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s/(max =) (\d+)/\1 MAX/g;
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# for root inos
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s/(on inode) (\d+)/\1 INO/g;
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s/(imap claims a free inode) (\d+)/\1 INO/;
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s/(imap claims in-use inode) (\d+)/\1 INO/;
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s/(cleared root inode) (\d+)/\1 INO/;
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s/(resetting inode) (\d+)/\1 INO/;
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s/(disconnected dir inode) (\d+)/\1 INO/;
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# for log
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s/internal log/<TYPEOF> log/g;
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s/external log on \S+/<TYPEOF> log/g;
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# realtime subvol - remove this whole line if it appears
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s/ - generate realtime summary info and bitmap...\n//g;
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#
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# new xfs repair output filters
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#
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s/\s+- creating \d+ worker thread\(s\)\n//g;
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s/\s+- reporting progress in intervals of \d+ minutes\n//g;
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s/\s+- \d+:\d\d:\d\d:.*\n//g;
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print;'
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}
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_filter_dd()
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{
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fgrep -v records # lose records in/out lines
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}
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# do some controlled corrupting & ensure repair recovers us
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#
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_check_repair()
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{
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value=$1
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structure="$2"
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#ensure the filesystem has been dirtied since last repair
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_scratch_mount
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POSIXLY_CORRECT=yes \
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dd if=/bin/sh of=$SCRATCH_MNT/sh 2>&1 |_filter_dd
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sync
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rm -f $SCRATCH_MNT/sh
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umount $SCRATCH_MNT
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_zero_position $value "$structure"
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_scratch_xfs_repair 2>&1 | _filter_repair
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# some basic sanity checks...
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_check_scratch_fs
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_scratch_mount #mount
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POSIXLY_CORRECT=yes \
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dd if=/bin/sh of=$SCRATCH_MNT/sh 2>&1 |_filter_dd #open,write
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POSIXLY_CORRECT=yes \
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dd if=$SCRATCH_MNT/sh of=/dev/null 2>&1 |_filter_dd #read
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rm -f $SCRATCH_MNT/sh #unlink
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umount $SCRATCH_MNT #umount
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}
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# make sure this script returns success
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/bin/true
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