xref: /freebsd/tools/test/stress2/misc/tmpfs2.sh (revision 02e9120893770924227138ba49df1edb3896112a)
1#!/bin/sh
2
3#
4# Copyright (c) 2009 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# panic: vfs_mount_destroy: nonzero writeopcount, seen.
30
31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
32
33. ../default.cfg
34
35mounts=15		# Number of parallel scripts
36
37if [ $# -eq 0 ]; then
38	# start the parallel tests
39	for i in `jot $mounts`; do
40		[ -d ${mntpoint}$i ] || mkdir -p ${mntpoint}$i
41		./$0 $i &
42		./$0 find &
43	done
44	wait
45
46else
47	if [ $1 = find ]; then
48		for i in `jot 1024`; do
49			find ${mntpoint}* -type f > /dev/null 2>&1
50		done
51	else
52
53		# The test: Parallel mount and unmounts
54		for i in `jot 1024`; do
55			m=$1
56			opt=`[ $(( m % 2 )) -eq 0 ] && echo -f`
57			mount -t tmpfs tmpfs ${mntpoint}$m
58			cp -r /usr/include/machine/a* ${mntpoint}$m
59			while mount | grep -qw $mntpoint$m; do
60				umount $opt ${mntpoint}$m > /dev/null 2>&1
61			done
62		done
63	fi
64fi
65