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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
#
# 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.
#
. ./common/preamble
_begin_fstest other auto freeze stress
status=0 # success is the default!
ITERATIONS=10
# Override the default cleanup function.
_cleanup()
{
# Make sure $SCRATCH_MNT is unfreezed
xfs_freeze -u $SCRATCH_MNT 2>/dev/null
[ -n "$pid" ] && kill -9 $pid 2>/dev/null
wait $pid
cd /
rm -f $tmp.*
}
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs generic
_require_scratch
_require_freeze
echo "*** init FS"
_scratch_unmount >/dev/null 2>&1
echo "*** MKFS ***" >>$seqres.full
echo "" >>$seqres.full
_scratch_mkfs >>$seqres.full 2>&1 \
|| _fail "mkfs failed"
_scratch_mount
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
# We do both read & write IO - not only is this more realistic,
# but it also potentially tests atime updates
FSSTRESS_ARGS=`_scale_fsstress_args -d $STRESS_DIR -p $procs -n $nops $FSSTRESS_AVOID`
$FSSTRESS_PROG $FSSTRESS_ARGS >>$seqres.full
done
rm -r $STRESS_DIR/*
rmdir $STRESS_DIR
} &
pid=$!
# start fstest -m loop in a background block; this gets us mmap coverage
{
FSTEST_DIR="$SCRATCH_MNT/fstest_test_dir"
mkdir "$FSTEST_DIR"
procs=2
while [ -f "$tmp.running" ]
do
$here/src/fstest -m -p $FSTEST_DIR -n $procs -f 4 > /dev/null 2>&1
done
rm -rf $FSTEST_DIR/*
rmdir $FSTEST_DIR
} &
pid="$pid $!"
i=0
let ITERATIONS=$ITERATIONS-1
echo | tee -a $seqres.full
while [ $i -le $ITERATIONS ]
do
echo "*** iteration: $i" | tee -a $seqres.full
echo "*** freezing \$SCRATCH_MNT" | tee -a $seqres.full
xfs_freeze -f "$SCRATCH_MNT" | tee -a $seqres.full
[ $? != 0 ] && echo xfs_freeze -f "$SCRATCH_MNT" failed | \
tee -a $seqres.full
sleep 2
echo "*** thawing \$SCRATCH_MNT" | tee -a $seqres.full
xfs_freeze -u "$SCRATCH_MNT" | tee -a $seqres.full
[ $? != 0 ] && echo xfs_freeze -u "$SCRATCH_MNT" failed | \
tee -a $seqres.full
sleep 2
echo | tee -a $seqres.full
let i=$i+1
done
# stop fsstress iterations
rm $tmp.running
# wait for fsstresses to finish
wait $pid
unset pid
exit 1
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