xref: /freebsd/tools/test/stress2/misc/snap.sh (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
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
33mount | grep -q "on /tmp (ufs," || exit 0
34mount | grep -q "/dev/md$mdstart on $mntpoint" && umount $mntpoint
35rm -f /tmp/.snap/stress2
36trap "rm -f /tmp/.snap/stress2" 0
37
38s=0
39for i in `jot 2`; do
40   mksnap_ffs /tmp /tmp/.snap/stress2
41   mdconfig -a -t vnode -f /tmp/.snap/stress2 -u $mdstart -o readonly || s=1
42   mount -r /dev/md$mdstart $mntpoint || s=2
43
44   ls -l $mntpoint > /dev/null
45
46   umount $mntpoint
47   mdconfig -d -u $mdstart
48   rm -f /tmp/.snap/stress2
49done
50
51for i in `jot 2`; do
52   mksnap_ffs /tmp /tmp/.snap/stress2
53   rm -f /tmp/.snap/stress2
54done
55exit $s
56