xref: /freebsd/tools/test/stress2/misc/crossmp2.sh (revision e9ac41698b2f322d55ccf9da50a3596edb2c1800)
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# NFS test
30
31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
32
33. ../default.cfg
34
35cont=/tmp/crossmp2.continue
36mounts=10	# Number of parallel scripts
37
38if [ $# -eq 0 ]; then
39	[ -z "$nfs_export" ] && exit 0
40	ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 ||
41	    exit 0
42	touch $cont
43	mount -t nfs -o tcp -o nfsv3 -o retrycnt=1 -o intr,soft,timeout=1 \
44	    -o rw $nfs_export $mntpoint || exit 0
45	sleep .2
46	umount $mntpoint
47
48	for i in `jot $mounts`; do
49		mp=${mntpoint}$i
50		[ ! -d $mp ] && mkdir $mp
51		mount | grep -q "$mp " && umount $mp
52	done
53
54	# start the parallel tests
55	for i in `jot $mounts`; do
56		./$0 $i &
57		./$0 find &
58	done
59	wait
60	exit 0
61else
62	if [ $1 = find ]; then
63		while [ -r $cont ]; do
64			find ${mntpoint}* -maxdepth 1 -type f > \
65			    /dev/null 2>&1
66		done
67	else
68
69		# The test: Parallel mount and unmounts
70		start=`date +%s`
71		while [ $((`date +%s`- start)) -lt 300 ]; do
72			m=$1
73			mount -t nfs -o tcp -o nfsv3 -o retrycnt=3 \
74			    -o intr,soft -o rw $nfs_export ${mntpoint}$m
75			sleep .5
76			opt=`[ $(( m % 2 )) -eq 0 ] && echo -f`
77			n=0
78			while mount | grep -q "${mntpoint}$m "; do
79				umount $opt ${mntpoint}$m > /dev/null 2>&1
80				[ $((n += 1)) -gt 99 ] && umount -f \
81				    ${mntpoint}$m > /dev/null 2>&1
82				[ $n -gt 100 ] && exit
83			done
84		done
85		rm -f $cont
86	fi
87fi
88