3 # Copyright (c) 2009 Eric Sandeen
6 # This program is free software; you can redistribute it and/or
7 # modify it under the terms of the GNU General Public License as
8 # published by the Free Software Foundation.
10 # This program is distributed in the hope that it would be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write the Free Software Foundation,
17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 # Functions useful for defragmentation tests
27 DEFRAG_PROG=/usr/sbin/xfs_fsr
30 DEFRAG_PROG=/usr/bin/e4defrag
33 _notrun "defragmentation not supported for fstype \"$FSTYP\""
37 _require_command $DEFRAG_PROG
38 _require_command /usr/sbin/filefrag
43 filefrag $1 | awk '{print $2}'
44 filefrag -v $1 >> $seq.full 2>&1
47 # Defrag file, check it, and remove it.
52 CSUM_BEFORE=`md5sum $1`
53 STAT_BEFORE=`stat -c "a: %x m: %y c: %z" $1`
54 $DEFRAG_PROG -v $1 >> $seq.full 2>&1
56 STAT_AFTER=`stat -c "a: %x m: %y c: %z" $1`
57 CSUM_AFTER=`md5sum $1`
60 if [ "$CSUM_BEFORE" != "$CSUM_AFTER" ]; then
61 _fail "file checksum changed post-defrag ($CSUM_BEFORE/$CSUM_AFTER)"
63 if [ "$STAT_BEFORE" != "$STAT_AFTER" ]; then
64 _fail "file timestamps changed post-defrag:\n$STAT_BEFORE\n$STAT_AFTER"