Index: user/pho/stress2/misc/parallelmount.sh =================================================================== --- user/pho/stress2/misc/parallelmount.sh (revision 286116) +++ user/pho/stress2/misc/parallelmount.sh (revision 286117) @@ -1,71 +1,68 @@ #!/bin/sh # # Copyright (c) 2012 Peter Holm # 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. # # $FreeBSD$ # # Parallel mount and unmount of the same mount point # http://people.freebsd.org/~pho/stress/log/parallelumount3.txt [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 . ../default.cfg parallel=40 if [ $# -eq 0 ]; then - mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart + [ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart mdconfig -a -t swap -s 10m -u $mdstart || exit 1 bsdlabel -w md$mdstart auto newfs $newfs_flags md${mdstart}$part > /dev/null # start the parallel tests for i in `jot $parallel`; do ./$0 $i & done while kill -0 $! 2> /dev/null; do for i in `jot 200`; do find $mntpoint > /dev/null 2>&1 done done + wait - for i in `jot $parallel`; do - wait - done - while mount | grep $mntpoint | grep -q /dev/md; do umount $mntpoint || sleep 1 done mdconfig -d -u $mdstart else - for i in `jot 1000`; do - mount /dev/md${mdstart}$part $mntpoint > /dev/null 2>&1 - umount $mntpoint > /dev/null 2>&1 - mount > /dev/null - done + for i in `jot 200`; do + mount /dev/md${mdstart}$part $mntpoint + umount $mntpoint + mount + done > /dev/null 2>&1 fi