4 # Copyright (c) 2012 Peter Holm <pho@FreeBSD.org>
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
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.
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
29 # Parallel mount and unmount of the same mount point
30 # http://people.freebsd.org/~pho/stress/log/parallelumount3.txt
32 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
39 [ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
40 mdconfig -a -t swap -s 10m -u $mdstart || exit 1
41 bsdlabel -w md$mdstart auto
42 newfs $newfs_flags md${mdstart}$part > /dev/null
44 # start the parallel tests
45 for i in `jot $parallel`; do
49 while kill -0 $! 2> /dev/null; do
50 for i in `jot 100`; do
51 find $mntpoint > /dev/null 2>&1
56 while mount | grep $mntpoint | grep -q /dev/md; do
57 umount $mntpoint || sleep 1
59 mdconfig -d -u $mdstart
63 while [ $((`date '+%s'` - start)) -lt 600 ]; do
64 mount /dev/md${mdstart}$part $mntpoint