1#!/bin/sh 2 3# 4# Copyright (c) 2008, 2011 Peter Holm <pho@FreeBSD.org> 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 30 31. ../default.cfg 32 33# Test with two snapshots 34# 20070506 Page fault in g_io_request+0x7f 35 36mount | grep -q "on /tmp (ufs," || exit 0 37rm -f /tmp/.snap/stress2.1 38rm -f /tmp/.snap/stress2.2 39trap "rm -f /tmp/.snap/stress2.?" 0 40mount | grep $mntpoint | grep -q md && umount $mntpoint 41m1=$mdstart 42m2=$((m1 + 1)) 43[ -c /dev/md$m1 ] && mdconfig -d -u $m1 44[ -c /dev/md$m2 ] && mdconfig -d -u $m2 45 46start=`date '+%s'` 47while [ `date '+%s'` -lt $((start + 1200)) ]; do 48 mksnap_ffs /tmp /tmp/.snap/stress2.1 49 mksnap_ffs /tmp /tmp/.snap/stress2.2 50 if [ -r /tmp/.snap/stress2.1 -a -r /tmp/.snap/stress2.2 ]; then 51 mdconfig -a -t vnode -f /tmp/.snap/stress2.1 -u $m1 -o readonly 52 mdconfig -a -t vnode -f /tmp/.snap/stress2.2 -u $m2 -o readonly 53 mount -o ro /dev/md$m1 $mntpoint 54 sleep 3 55 for i in `jot 3`; do 56 umount $mntpoint && break 57 sleep 2 58 done 59 mdconfig -d -u $m1 60 mdconfig -d -u $m2 61 fi 62 rm -f /tmp/.snap/stress2.1 /tmp/.snap/stress2.2 63done 64exit 0 65