18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 48a272653SPeter Holm# Copyright (c) 2012 Peter Holm <pho@FreeBSD.org> 58a272653SPeter Holm# All rights reserved. 68a272653SPeter Holm# 78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 88a272653SPeter Holm# modification, are permitted provided that the following conditions 98a272653SPeter Holm# are met: 108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 118a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 138a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 148a272653SPeter Holm# documentation and/or other materials provided with the distribution. 158a272653SPeter Holm# 168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 198a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 268a272653SPeter Holm# SUCH DAMAGE. 278a272653SPeter Holm# 288a272653SPeter Holm 298a272653SPeter Holm# Parallel mount and unmount of the same mount point 308a272653SPeter Holm# http://people.freebsd.org/~pho/stress/log/parallelumount3.txt 318a272653SPeter Holm 328a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 338a272653SPeter Holm 348a272653SPeter Holm. ../default.cfg 358a272653SPeter Holm 368a272653SPeter Holmparallel=40 378a272653SPeter Holm 388a272653SPeter Holmif [ $# -eq 0 ]; then 398a272653SPeter Holm [ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 408a272653SPeter Holm mdconfig -a -t swap -s 10m -u $mdstart || exit 1 41608c97bfSPeter Holm newfs $newfs_flags md$mdstart > /dev/null 428a272653SPeter Holm 438a272653SPeter Holm # start the parallel tests 448a272653SPeter Holm for i in `jot $parallel`; do 458a272653SPeter Holm ./$0 $i & 468a272653SPeter Holm done 478a272653SPeter Holm 488a272653SPeter Holm while kill -0 $! 2> /dev/null; do 498a272653SPeter Holm for i in `jot 100`; do 508a272653SPeter Holm find $mntpoint > /dev/null 2>&1 518a272653SPeter Holm done 528a272653SPeter Holm done 538a272653SPeter Holm wait 548a272653SPeter Holm 558a272653SPeter Holm while mount | grep $mntpoint | grep -q /dev/md; do 568a272653SPeter Holm umount $mntpoint || sleep 1 578a272653SPeter Holm done 588a272653SPeter Holm mdconfig -d -u $mdstart 598a272653SPeter Holm exit 0 608a272653SPeter Holmelse 618a272653SPeter Holm start=`date '+%s'` 628a272653SPeter Holm while [ $((`date '+%s'` - start)) -lt 600 ]; do 63608c97bfSPeter Holm mount /dev/md$mdstart $mntpoint 648a272653SPeter Holm umount $mntpoint 658a272653SPeter Holm mount 668a272653SPeter Holm done > /dev/null 2>&1 678a272653SPeter Holmfi 68