#!/bin/sh # # Copyright (c) 2008 Peter Holm <pho@FreeBSD.org> # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # Parallel mount and umount of file systems [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 . ../default.cfg mounts=15 # Number of parallel scripts cont=/tmp/crossmp.continue mdstart=$mdstart # Use md unit numbers from this point D=$diskimage if [ $# -eq 0 ]; then touch $cont for i in `jot $mounts`; do m=$(( i + mdstart - 1 )) [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m mount | grep "on ${mntpoint}$m " | grep -q md$m && umount ${mntpoint}$m mdconfig -l | grep -q md$m && mdconfig -d -u $m dd if=/dev/zero of=$D$m bs=1m count=1 status=none mdconfig -a -t vnode -f $D$m -u $m newfs $newfs_flags md${m} > /dev/null 2>&1 done # start the parallel tests for i in `jot $mounts`; do m=$(( i + mdstart - 1 )) ./$0 $m & ./$0 find & done wait for i in `jot $mounts`; do m=$(( i + mdstart - 1 )) mdconfig -d -u $m rm -f $D$m done exit 0 else if [ $1 = find ]; then while [ -r $cont ]; do find ${mntpoint}* -type f > /dev/null 2>&1 done else # The test: Parallel mount and unmounts for i in `jot 1024`; do m=$1 mount /dev/md${m} ${mntpoint}$m while mount | grep -q "on ${mntpoint}$m "; do opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f") umount $opt ${mntpoint}$m > /dev/null 2>&1 done done rm -f $cont fi fi