xref: /freebsd/tools/test/stress2/misc/backingstore.sh (revision a466cc55373fc3cf86837f09da729535b57e69a1)
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
29# Test sparse backing store
30
31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
32
33. ../default.cfg
34
35D=$diskimage
36export here=`pwd`
37
38m=$mdstart
39
40mount | grep "$mntpoint" | grep -q md$m && umount $mntpoint$m
41mdconfig -l | grep -q md$m &&  mdconfig -d -u $m
42
43dd if=/dev/zero of=$D$m bs=100m count=1 status=none || exit 1
44
45mdconfig -a -t vnode -f $D$m -u $m
46
47newfs md${m} > /dev/null 2>&1
48[ -d $mntpoint$m ] || mkdir -p $mntpoint$m
49mount $opt /dev/md$m $mntpoint$m
50
51n=$m
52m=$((m + 1))
53
54mount | grep "$mntpoint$m" | grep -q md$m && umount $mntpoint$m
55mdconfig -l | grep -q md$m &&  mdconfig -d -u $m
56
57truncate -s 500M $mntpoint$n/diskimage
58mdconfig -a -t vnode -f $mntpoint$n/diskimage -u $m
59
60newfs md${m} > /dev/null 2>&1
61[ -d $mntpoint$m ] || mkdir -p $mntpoint$m
62mount $opt /dev/md$m $mntpoint$m
63
64export RUNDIR=$mntpoint$m/stressX
65../testcases/rw/rw -t 5m -i 200 -h -n
66
67while mount | grep -q $mntpoint$m; do
68	flag=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f" || echo "")
69	umount $flag $mntpoint$m > /dev/null 2>&1
70done
71mdconfig -l | grep -q md$m &&  mdconfig -d -u $m
72
73m=$((m - 1))
74while mount | grep -q $mntpoint$m; do
75	umount $([ $((`date '+%s'` % 2)) -eq 0 ] && \
76		echo "-f" || echo "") $mntpoint$m > /dev/null 2>&1
77done
78mdconfig -l | grep -q md$m &&  mdconfig -d -u $m
79rm -f $D
80