freebsd-dev/tools/test/stress2/misc/backingstore.sh
Peter Holm 8a272653d9 stress2: Initial import
Discussed with:	 kib
2021-03-03 15:11:40 +01:00

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#!/bin/sh
#
# Copyright (c) 2008 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.
#
# Test sparse backing store
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
. ../default.cfg
D=$diskimage
export here=`pwd`
m=$mdstart
mount | grep "$mntpoint" | grep -q md$m && umount ${mntpoint}$m
mdconfig -l | grep -q md$m && mdconfig -d -u $m
dd if=/dev/zero of=$D$m bs=100m count=1 status=none || exit 1
mdconfig -a -t vnode -f $D$m -u $m
bsdlabel -w md$m auto
newfs md${m}$part > /dev/null 2>&1
[ -d ${mntpoint}$m ] || mkdir -p ${mntpoint}$m
mount $opt /dev/md${m}$part ${mntpoint}$m
n=$m
m=$((m + 1))
mount | grep "$mntpoint" | grep -q md$m && umount ${mntpoint}$m
mdconfig -l | grep -q md$m && mdconfig -d -u $m
truncate -s 500M ${mntpoint}$n/diskimage
mdconfig -a -t vnode -f ${mntpoint}$n/diskimage -u $m
bsdlabel -w md$m auto
newfs md${m}$part > /dev/null 2>&1
[ -d ${mntpoint}$m ] || mkdir -p ${mntpoint}$m
mount $opt /dev/md${m}$part ${mntpoint}$m
export RUNDIR=${mntpoint}$m/stressX
../testcases/rw/rw -t 5m -i 200 -h -n
while mount | grep -q ${mntpoint}$m; do
flag=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f" || echo "")
umount $flag ${mntpoint}$m > /dev/null 2>&1
done
mdconfig -l | grep -q md$m && mdconfig -d -u $m
m=$((m - 1))
while mount | grep -q ${mntpoint}$m; do
umount $([ $((`date '+%s'` % 2)) -eq 0 ] && \
echo "-f" || echo "") ${mntpoint}$m > /dev/null 2>&1
done
mdconfig -l | grep -q md$m && mdconfig -d -u $m
rm -f $D