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|
#! /bin/bash
# FS QA Test No. 297
#
# Test freeze/unfreeze file system randomly under fsstress
# Regression test for commit:
# 437a255 xfs: fix direct IO nested transaction deadlock.
#
#-----------------------------------------------------------------------
# Copyright (c) 2013 Red Hat, 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
#-----------------------------------------------------------------------
#
# creator
owner=eguan@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
cd /
rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
# real QA test starts here
_supported_fs xfs
_supported_os IRIX Linux
_require_scratch
_require_freeze
rm -f $seq.full
_scratch_mkfs_xfs -d agcount=16,su=256k,sw=12 -l su=256k,size=2560b >/dev/null 2>&1
_scratch_mount >/dev/null 2>&1
STRESS_DIR="$SCRATCH_MNT/testdir"
mkdir -p $STRESS_DIR
$FSSTRESS_PROG -d $STRESS_DIR -n 100 -p 1000 $FSSTRESS_AVOID >/dev/null 2>&1 &
# Freeze/unfreeze file system randomly
echo "Start freeze/unfreeze randomly" | tee -a $seq.full
LOOP=10
while [ $LOOP -gt 0 ];do
TIMEOUT=`expr $RANDOM % 5`
sleep $TIMEOUT
echo "* Freeze file system after sleeping $TIMEOUT seconds" >>$seq.full
xfs_freeze -f $SCRATCH_MNT
if [ $? -ne 0 ];then
echo " - Error: freeze filesystem failed" | tee -a $seq.full
fi
TIMEOUT=`expr $RANDOM % 3`
sleep $TIMEOUT
echo "* Unfreeze file system after sleeping $TIMEOUT seconds" >>$seq.full
xfs_freeze -u $SCRATCH_MNT
if [ $? -ne 0 ];then
echo " - Error: unfreeze filesystem failed" | tee -a $seq.full
fi
let LOOP=$LOOP-1
done
echo "Test done" | tee -a $seq.full
killall -q $FSSTRESS_PROG
wait
_check_scratch_fs
status=0
exit
|
