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#!/bin/sh
#
# Copyright (c) 2008-2011 Peter Holm <pho@FreeBSD.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# phk has seen freezes with this newfs option: "-b 32768 -f 4096 -O2"
#
# Deadlocks seen with this test and:
# newfs -b 4096 -f 4096 -O2 md0c on a 128 Mb FS
# newfs -b 4096 -f 1024 -O2 md0c on a 64 Mb FS
# 20070505 newfs -b 4096 -f 4096 -O2 md0c on a 32 Mb FS: panic: lockmgr: locking against myself
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
. ../default.cfg
size=$((32 * 1024 * 1024))
opt="-O2" # newfs option. Eg. -U
mount | grep "$mntpoint" | grep -q md${mdstart}$part && umount $mntpoint
[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
s=0
while [ $size -le $((128 * 1024 * 1024)) ]; do
mb=$((size / 1024 / 1024))
rm -f $diskimage
dd if=/dev/zero of=$diskimage bs=1m count=$mb status=none
mdconfig -a -t vnode -f $diskimage -u $mdstart ||
{ rm -f $diskimage; exit 1; }
bsdlabel -w md$mdstart auto
blocksize=4096
while [ $blocksize -le 65536 ]; do
for i in 1 2 4 8; do
fragsize=$((blocksize / i))
newfs -b $blocksize -f $fragsize $opt md${mdstart}$part > \
/dev/null 2>&1
mount /dev/md${mdstart}$part $mntpoint
export RUNDIR=$mntpoint/stressX
export runRUNTIME=15s
export RUNTIME=$runRUNTIME
export CTRLDIR=$mntpoint/stressX.control
(cd ..; ./run.sh disk.cfg) > /dev/null 2>&1 &
sleep 15
../tools/killall.sh
wait
while mount | grep "$mntpoint" | \
grep -q md${mdstart}$part; do
umount $mntpoint > /dev/null 2>&1
done
checkfs /dev/md${mdstart}$part || s=1
done
blocksize=$((blocksize * 2))
done
mdconfig -d -u $mdstart
size=$((size + 32 * 1024 * 1024))
done
rm -f $diskimage
exit $s
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