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# $Id: crossmp.sh,v 1.2 2008/02/25 16:31:43 pho Exp $ 29# 30 31# panic: vfs_mount_destroy: nonzero writeopcount, seen. 32 33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34 35. ../default.cfg 36 37mounts=15 # Number of parallel scripts 38mdstart=$MDSTART # Use md unit numbers from this point 39D=$DISKIMAGE 40 41if [ $# -eq 0 ]; then 42 for i in `jot $mounts`; do 43 m=$(( i + mdstart - 1 )) 44 [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m 45 mount | grep "$mntpoint" | grep -q md$m && umount ${mntpoint}$m 46 done 47 48 # start the parallel tests 49 for i in `jot $mounts`; do 50 m=$(( i + mdstart - 1 )) 51 ./$0 $m & 52 ./$0 find & 53 done 54 55 for i in `jot $mounts`; do 56 wait; wait 57 done 58 59else 60 if [ $1 = find ]; then 61 for i in `jot 1024`; do 62 find ${mntpoint}* -type f > /dev/null 2>&1 63 done 64 else 65 66 # The test: Parallel mount and unmounts 67 for i in `jot 1024`; do 68 m=$1 69 opt=`[ $(( m % 2 )) -eq 0 ] && echo -f` 70 mount -t tmpfs tmpfs ${mntpoint}$m 71 cp -r /usr/include/machine/a* ${mntpoint}$m 72 while mount | grep -qw $mntpoint$m; do 73 opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f") 74 umount $opt ${mntpoint}$m > /dev/null 2>&1 75 done 76 done 77 fi 78fi 79