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|
#! /bin/sh
# FSQA Test No. 068
#
# Test case to reproduce xfs_freeze hang under filsystem load.
# The fail case for this test is a hang on an xfs_freeze.
#
#-----------------------------------------------------------------------
# Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
#-----------------------------------------------------------------------
#
# creator
owner=ajones@sgi.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=0 # success is the default!
ITERATIONS=10
_cleanup()
{
cd /
_cleanup_testdir
trap 0 1 2 3 15
exit $status
}
trap "_cleanup" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
# real QA test starts here
_supported_fs xfs
_supported_os Linux IRIX
_require_scratch
echo "*** init FS"
rm -f $seq.full
umount $SCRATCH_DEV >/dev/null 2>&1
echo "*** MKFS ***" >>$seq.full
echo "" >>$seq.full
_scratch_mkfs_xfs >>$seq.full 2>&1 \
|| _fail "mkfs failed"
_scratch_mount >>$seq.full 2>&1 \
|| _fail "mount failed"
touch $tmp.running
# start fsstress loop in a background block
{
STRESS_DIR="$SCRATCH_MNT/fsstress_test_dir"
mkdir "$STRESS_DIR"
procs=2
nops=200
while [ -f "$tmp.running" ]
do
# -w ensures that the only ops are ones which cause write I/O
$FSSTRESS_PROG -d $STRESS_DIR -w -p $procs -n $nops $FSSTRESS_AVOID \
> /dev/null 2>&1
done
rm -r $STRESS_DIR/*
rmdir $STRESS_DIR
} &
i=0
ITERATIONS=`expr $ITERATIONS - 1`
echo | tee -a $seq.full
while [ $i -le $ITERATIONS ]
do
echo "*** iteration: $i" | tee -a $seq.full
echo "*** freezing \$SCRATCH_MNT" | tee -a $seq.full
xfs_freeze -f "$SCRATCH_MNT" | tee -a $seq.full
[ $? != 0 ] && echo xfs_freeze -f "$SCRATCH_MNT" failed | \
tee -a $seq.full
sleep 2
echo "*** thawing \$SCRATCH_MNT" | tee -a $seq.full
xfs_freeze -u "$SCRATCH_MNT" | tee -a $seq.full
[ $? != 0 ] && echo xfs_freeze -u "$SCRATCH_MNT" failed | \
tee -a $seq.full
sleep 2
echo | tee -a $seq.full
i=`expr $i + 1`
done
# stop fsstress iterations
rm $tmp.running
# wait for fsstresses to finish
wait
_check_scratch_fs
exit 1
|
