xref: /freebsd/tools/test/stress2/misc/ffs_blkfree.sh (revision 5956d97f4b3204318ceb6aa9c77bd0bc6ea87a41)
1#!/bin/sh
2
3#
4# Copyright (c) 2012 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
33D=$diskimage
34DUMP=$RUNDIR/dump
35trap "rm -f $D" EXIT INT
36dd if=/dev/zero of=$D bs=1m count=1024 status=none || exit 1
37
38mount | grep "$mntpoint" | grep md$mdstart > /dev/null &&
39	umount $mntpoint
40mdconfig -l | grep md$mdstart > /dev/null && mdconfig -d -u $mdstart
41
42mdconfig -a -t vnode -f $D -u $mdstart
43newfs $newfs_flags md$mdstart > /dev/null
44mount /dev/md$mdstart $mntpoint
45mount
46
47for i in `jot 10`; do
48	mkdir $mntpoint/d$i
49	for j in `jot 100`; do
50		touch $mntpoint/d$i/f$j
51	done
52done
53
54dump -L0a -f $DUMP /dev/md$mdstart
55
56ls -lf $DUMP
57
58while mount | grep -q $mntpoint; do
59	umount $([ $((`date '+%s'` % 2)) -eq 0 ] &&
60	    echo "-f" || echo "") $mntpoint > /dev/null 2>&1
61done
62
63for i in `jot 10`; do
64	newfs $newfs_flags -n md$mdstart > /dev/null
65	mount /dev/md$mdstart $mntpoint
66	(cd $mntpoint; restore -rf $DUMP)
67	rm -rf $mntpoint/*
68	while mount | grep -q $mntpoint; do
69		umount $([ $((`date '+%s'` % 2)) -eq 0 ] &&
70		    echo "-f" || echo "") $mntpoint > /dev/null 2>&1
71	done
72done
73
74mdconfig -d -u $mdstart
75rm -f $D $DUMP
76