4 # Test case to reproduce xfs_freeze hang under filsystem load.
5 # The fail case for this test is a hang on an xfs_freeze.
7 #-----------------------------------------------------------------------
8 # Copyright (c) 2000-2005 Silicon Graphics, 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
23 #-----------------------------------------------------------------------
29 echo "QA output created by $seq"
33 status=0 # success is the default!
46 trap "_cleanup" 0 1 2 3 15
49 # get standard environment, filters and checks
53 # real QA test starts here
55 _supported_os Linux IRIX
63 umount $SCRATCH_DEV >/dev/null 2>&1
64 echo "*** MKFS ***" >>$seq.full
66 _scratch_mkfs >>$seq.full 2>&1 \
67 || _fail "mkfs failed"
68 _scratch_mount >>$seq.full 2>&1 \
69 || _fail "mount failed"
74 # start fsstress loop in a background block
76 STRESS_DIR="$SCRATCH_MNT/fsstress_test_dir"
81 while [ -f "$tmp.running" ]
83 # We do both read & write IO - not only is this more realistic,
84 # but it also potentially tests atime updates
85 FSSTRESS_ARGS=`_scale_fsstress_args -d $STRESS_DIR -p $procs -n $nops $FSSTRESS_AVOID`
86 $FSSTRESS_PROG $FSSTRESS_ARGS > /dev/null 2>&1
93 # start fstest -m loop in a background block; this gets us mmap coverage
95 FSTEST_DIR="$SCRATCH_MNT/fstest_test_dir"
99 while [ -f "$tmp.running" ]
101 src/fstest -m -p $FSTEST_DIR -n $procs -f 4 > /dev/null 2>&1
109 let ITERATIONS=$ITERATIONS-1
111 echo | tee -a $seq.full
112 while [ $i -le $ITERATIONS ]
114 echo "*** iteration: $i" | tee -a $seq.full
115 echo "*** freezing \$SCRATCH_MNT" | tee -a $seq.full
116 xfs_freeze -f "$SCRATCH_MNT" | tee -a $seq.full
117 [ $? != 0 ] && echo xfs_freeze -f "$SCRATCH_MNT" failed | \
121 echo "*** thawing \$SCRATCH_MNT" | tee -a $seq.full
122 xfs_freeze -u "$SCRATCH_MNT" | tee -a $seq.full
123 [ $? != 0 ] && echo xfs_freeze -u "$SCRATCH_MNT" failed | \
127 echo | tee -a $seq.full
131 # stop fsstress iterations
134 # wait for fsstresses to finish