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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
#
# 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.
#
. ./common/preamble
_begin_fstest auto freeze
# Override the default cleanup function.
_cleanup()
{
# Make sure $SCRATCH_MNT is unfreezed
xfs_freeze -u $SCRATCH_MNT 2>/dev/null
$KILLALL_PROG -q -9 $FSSTRESS_PROG
wait
cd /
rm -f $tmp.*
}
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs xfs
_require_scratch
_require_freeze
_require_command "$KILLALL_PROG" killall
logblks=$(_scratch_find_xfs_min_logblocks -d agcount=16,su=256k,sw=12 -l su=256k)
_scratch_mkfs_xfs -d agcount=16,su=256k,sw=12 -l su=256k,size=${logblks}b >/dev/null 2>&1
_scratch_mount
STRESS_DIR="$SCRATCH_MNT/testdir"
mkdir -p $STRESS_DIR
$FSSTRESS_PROG -d $STRESS_DIR -n 100 -p 1000 $FSSTRESS_AVOID >>$seqres.full &
# Freeze/unfreeze file system randomly
echo "Start freeze/unfreeze randomly" | tee -a $seqres.full
LOOP=10
while [ $LOOP -gt 0 ];do
TIMEOUT=`expr $RANDOM % 5`
sleep $TIMEOUT
echo "* Freeze file system after sleeping $TIMEOUT seconds" >>$seqres.full
xfs_freeze -f $SCRATCH_MNT
if [ $? -ne 0 ];then
echo " - Error: freeze filesystem failed" | tee -a $seqres.full
fi
TIMEOUT=`expr $RANDOM % 3`
sleep $TIMEOUT
echo "* Unfreeze file system after sleeping $TIMEOUT seconds" >>$seqres.full
xfs_freeze -u $SCRATCH_MNT
if [ $? -ne 0 ];then
echo " - Error: unfreeze filesystem failed" | tee -a $seqres.full
fi
let LOOP=$LOOP-1
done
echo "Test done" | tee -a $seqres.full
$KILLALL_PROG -q $FSSTRESS_PROG
wait
status=0
exit
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