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# $FreeBSD$ 29# 30 31# Panic in getdirentries+0x21a 32# Run with stress: disk.cfg 33 34[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 35 36. ../default.cfg 37 38mounts=10 # Number of parallel scripts 39 40if [ $# -eq 0 ]; then 41 for i in `jot $mounts`; do 42 [ ! -d ${mntpoint}$i ] && mkdir ${mntpoint}$i 43 mount | grep -qw "${mntpoint}$i" && umount ${mntpoint}$i 44 done 45 46 # start the parallel tests 47 for i in `jot $mounts`; do 48 ./$0 $i & 49 ./$0 find & 50 done 51 52 for i in `jot $mounts`; do 53 wait; wait 54 done 55else 56 if [ $1 = find ]; then 57 for i in `jot 64`; do 58 find ${mntpoint}* -maxdepth 1 -type f > /dev/null 2>&1 59 done 60 else 61 62 # The test: Parallel mount and unmounts 63 for i in `jot 64`; do 64 m=$1 65 mount -t nfs -o tcp -o nfsv3 -o retrycnt=3 -o intr -o soft -o rw 127.0.0.1:/tmp ${mntpoint}$m 66 opt=`[ $(( m % 2 )) -eq 0 ] && echo -f` 67 n=0 68 while mount | grep -qw ${mntpoint}$m; do 69 umount $opt ${mntpoint}$m > /dev/null 2>&1 70 n=$((n + 1)) 71 [ $n -gt 99 ] && umount -f ${mntpoint}$m > /dev/null 2>&1 72 [ $n -gt 100 ] && exit 73 done 74 done 75 fi 76fi 77