4 # Regression test for commit:
5 # 9559996 ext4: remove mb_groups before tearing down the buddy_cache
7 #-----------------------------------------------------------------------
8 # Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
10 # This program is free software; you can redistribute it and/or
11 # modify it under the terms 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,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write the Free Software Foundation,
21 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #-----------------------------------------------------------------------
26 seqres=$RESULT_DIR/$seq
27 echo "QA output created by $seq"
30 status=1 # failure is the default!
31 trap "_cleanup; exit \$status" 0 1 2 3 15
36 kill $PIDS >/dev/null 2>&1
39 # get standard environment, filters and checks
43 # real QA test starts here
50 echo "Silence is golden"
52 DEV_BASENAME=$(_short_dev $SCRATCH_DEV)
53 echo "Start test on device $SCRATCH_DEV, basename $DEV_BASENAME" >$seqres.full
54 _scratch_mkfs >>$seqres.full 2>&1
57 cat /proc/fs/ext4/$DEV_BASENAME/mb_groups > /dev/null 2>&1
61 # 30 loops is enough to crash a buggy kernel
63 while [ $i -lt 30 ]; do
70 kill $PIDS >/dev/null 2>&1