xref: /freebsd/tools/test/stress2/misc/ffs_blkfree.sh (revision fe6060f10f634930ff71b7c50291ddc610da2475)
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}$part > /dev/null &&
39	umount $mntpoint
40mdconfig -l | grep md$mdstart > /dev/null && mdconfig -d -u $mdstart
41
42mdconfig -a -t vnode -f $D -u $mdstart
43bsdlabel -w md$mdstart auto
44newfs $newfs_flags md${mdstart}$part > /dev/null
45mount /dev/md${mdstart}$part $mntpoint
46mount
47
48for i in `jot 10`; do
49	mkdir $mntpoint/d$i
50	for j in `jot 100`; do
51		touch $mntpoint/d$i/f$j
52	done
53done
54
55dump -L0a -f $DUMP /dev/md${mdstart}$part
56
57ls -lf $DUMP
58
59while mount | grep -q $mntpoint; do
60	umount $([ $((`date '+%s'` % 2)) -eq 0 ] &&
61	    echo "-f" || echo "") $mntpoint > /dev/null 2>&1
62done
63
64for i in `jot 10`; do
65	newfs $newfs_flags -n md${mdstart}$part > /dev/null
66	mount /dev/md${mdstart}$part $mntpoint
67	(cd $mntpoint; restore -rf $DUMP)
68	rm -rf $mntpoint/*
69	while mount | grep -q $mntpoint; do
70		umount $([ $((`date '+%s'` % 2)) -eq 0 ] &&
71		    echo "-f" || echo "") $mntpoint > /dev/null 2>&1
72	done
73done
74
75mdconfig -d -u $mdstart
76rm -f $D $DUMP
77