1#!/bin/sh 2 3# 4# Copyright (c) 2008 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# $FreeBSD$ 29# 30 31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32 33# Test with snapshot file unlinked before unmount 34 35mount | grep "/dev/md0 on /mnt" > /dev/null && umount /mnt 36mdconfig -l | grep -q md0 && mdconfig -d -u 0 37rm -f /tmp/.snap/pho 38trap "rm -f /tmp/.snap/pho" 0 39 40for i in `jot 64`; do 41 mksnap_ffs /tmp /tmp/.snap/pho 42 mdconfig -a -t vnode -f /tmp/.snap/pho -u 0 -o readonly 43 mount -o ro /dev/md0 /mnt 44 45 ls -l /mnt > /dev/null 46 rm -f /tmp/.snap/pho 47 sleep 1 48 49 umount /mnt 50 mdconfig -d -u 0 51 rm -f /tmp/.snap/pho 52done 53