xref: /dragonfly/test/stress/stress2/misc/snap.sh (revision 9348a738)
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
33mount | grep "/dev/md0 on /mnt" > /dev/null && umount /mnt
34rm -f /tmp/.snap/pho
35trap "rm -f /tmp/.snap/pho" 0
36
37for i in `jot 128`; do
38   mksnap_ffs /tmp /tmp/.snap/pho
39   mdconfig -a -t vnode -f /tmp/.snap/pho -u 0 -o readonly
40   mount -r /dev/md0 /mnt
41
42   ls -l /mnt > /dev/null
43
44   umount /mnt
45   mdconfig -d -u 0
46   rm -f /tmp/.snap/pho
47done
48
49
50for i in `jot 128`; do
51   mksnap_ffs /tmp /tmp/.snap/pho
52   rm -f /tmp/.snap/pho
53done
54