xref: /freebsd/tools/test/stress2/misc/umountf4.sh (revision 6be3386466ab79a84b48429ae66244f21526d3df)
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# Found: Fatal trap 12: page fault while in kernel mode
30
31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
32
33. ../default.cfg
34
35mounts=15		# Number of parallel scripts
36mdstart=$mdstart	# Use md unit numbers from this point
37D=$diskimage
38
39if [ $# -eq 0 ]; then
40	for i in `jot $mounts`; do
41		m=$(( i + mdstart - 1 ))
42		[ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m
43		mount | grep "$mntpoint" | grep -q md$m && umount ${mntpoint}$m
44		mdconfig -l | grep -q md$m &&  mdconfig -d -u $m
45
46		dd if=/dev/zero of=$D$m bs=1m count=10 status=none
47		mdconfig -a -t vnode -f $D$m -u $m ||
48		    { rm -f $D$m; exit 1; }
49		bsdlabel -w md$m auto
50		newfs md${m}$part > /dev/null 2>&1
51	done
52
53	# start the parallel tests
54	for i in `jot $mounts`; do
55		m=$(( i + mdstart - 1 ))
56		./$0 $m &
57		./$0 find &
58	done
59	wait
60
61	for i in `jot $mounts`; do
62		m=$(( i + mdstart - 1 ))
63		mdconfig -d -u $m
64		rm -f $D$m
65	done
66
67else
68	if [ $1 = find ]; then
69		for i in `jot 100`; do
70			find ${mntpoint}* -type f > /dev/null 2>&1
71		done
72	else
73
74		# The test: Parallel mount and unmounts
75		for i in `jot 100`; do
76			m=$1
77			opt=`[ $(( m % 2 )) -eq 0 ] && echo -f`
78			mount $opt /dev/md${m}$part ${mntpoint}$m
79			cp -r /usr/include/machine/a* ${mntpoint}$m
80			while mount | grep -qw $mntpoint$m; do
81				umount -f ${mntpoint}$m > /dev/null 2>&1
82			done
83		done
84	fi
85fi
86