| ##/bin/bash |
| # |
| # Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU General Public License as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it would be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| # |
| # |
| # Functions useful for xfs_repair tests |
| # |
| |
| _zero_position() |
| { |
| value=$1 |
| struct="$2" |
| |
| # set values for off/len variables provided by db |
| eval `xfs_db -r -c "$struct" -c stack $SCRATCH_DEV | perl -ne ' |
| if (/byte offset (\d+), length (\d+)/) { |
| print "offset=$1\nlength=$2\n"; exit |
| }'` |
| if [ -z "$offset" -o -z "$length" ]; then |
| echo "cannot calculate offset ($offset) or length ($length)" |
| exit |
| fi |
| length=`expr $length / 512` |
| src/devzero -v $value -b 1 -n $length -o $offset $SCRATCH_DEV \ |
| | perl -npe 's/\d\.\d\dKb/X.XXKb/g' |
| } |
| |
| _filter_repair() |
| { |
| perl -ne ' |
| # for sb |
| /- agno = / && next; # remove each AG line (variable number) |
| s/(pointer to) (\d+)/\1 INO/; |
| s/(sb root inode value) (\d+)( \(NULLFSINO\))?/\1 INO/; |
| s/(realtime bitmap inode) (\d+)( \(NULLFSINO\))?/\1 INO/; |
| s/(realtime summary inode) (\d+)( \(NULLFSINO\))?/\1 INO/; |
| s/(inconsistent with calculated value) (\d+)/\1 INO/; |
| s/\.+(found)/\1/g; # remove "searching" output |
| # for agf + agi |
| s/(bad length -{0,1}\d+ for ag. 0, should be) (\d+)/\1 LENGTH/; |
| s/(bad length # -{0,1}\d+ for ag. 0, should be) (\d+)/\1 LENGTH/; |
| s/(bad agbno) (\d+)/\1 AGBNO/g; |
| s/(max =) (\d+)/\1 MAX/g; |
| # for root inos |
| s/(on inode) (\d+)/\1 INO/g; |
| s/(imap claims a free inode) (\d+)/\1 INO/; |
| s/(imap claims in-use inode) (\d+)/\1 INO/; |
| s/(cleared root inode) (\d+)/\1 INO/; |
| s/(resetting inode) (\d+)/\1 INO/; |
| s/(disconnected dir inode) (\d+)/\1 INO/; |
| # for log |
| s/internal log/<TYPEOF> log/g; |
| s/external log on \S+/<TYPEOF> log/g; |
| # realtime subvol - remove this whole line if it appears |
| s/ - generate realtime summary info and bitmap...\n//g; |
| # |
| # new xfs repair output filters |
| # |
| s/\s+- creating \d+ worker thread\(s\)\n//g; |
| s/\s+- reporting progress in intervals of \d+ minutes\n//g; |
| s/\s+- \d+:\d\d:\d\d:.*\n//g; |
| # 3.1.0 extra accounting output |
| /^agf_/ && next; # remove agf counts |
| /^agi_/ && next; # remove agi counts |
| /^sb_/ && next; # remove sb counts |
| /^agi unlinked/ && next; # remove agi unlinked bucket warning |
| print;' |
| } |
| |
| _filter_dd() |
| { |
| fgrep -v records # lose records in/out lines |
| } |
| |
| # do some controlled corrupting & ensure repair recovers us |
| # |
| _check_repair() |
| { |
| value=$1 |
| structure="$2" |
| |
| #ensure the filesystem has been dirtied since last repair |
| _scratch_mount |
| POSIXLY_CORRECT=yes \ |
| dd if=/bin/bash of=$SCRATCH_MNT/sh 2>&1 |_filter_dd |
| sync |
| rm -f $SCRATCH_MNT/sh |
| umount $SCRATCH_MNT |
| |
| _zero_position $value "$structure" |
| _scratch_xfs_repair 2>&1 | _filter_repair |
| |
| # some basic sanity checks... |
| _check_scratch_fs |
| _scratch_mount #mount |
| POSIXLY_CORRECT=yes \ |
| dd if=/bin/bash of=$SCRATCH_MNT/sh 2>&1 |_filter_dd #open,write |
| POSIXLY_CORRECT=yes \ |
| dd if=$SCRATCH_MNT/sh of=/dev/null 2>&1 |_filter_dd #read |
| rm -f $SCRATCH_MNT/sh #unlink |
| umount $SCRATCH_MNT #umount |
| } |
| |
| # make sure this script returns success |
| /bin/true |