1#!/bin/sh 2 3# 4# Copyright (c) 2014 EMC Corp. 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 29# Parallel mount and umount of file systems. Nullfs version. 30 31# "panic: Lock (lockmgr) null not locked @ kern/vfs_default.c:523." seen. 32# http://people.freebsd.org/~pho/stress/log/kostik698.txt 33# Fixed by r269708. 34 35# Not fixed: https://people.freebsd.org/~pho/stress/log/kostik798.txt 36# https://people.freebsd.org/~pho/stress/log/kostik856.txt 37 38[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 39 40. ../default.cfg 41 42N=`sysctl -n hw.ncpu` 43usermem=`sysctl -n hw.usermem` 44[ `swapinfo | wc -l` -eq 1 ] && usermem=$((usermem/100*80)) 45size=$((usermem / 1024 / 1024 - 2)) 46 47CONT=/tmp/crossmp4.continue 48mounts=$N # Number of parallel scripts 49 50if [ $# -eq 0 ]; then 51 mount | grep "$mntpoint" | grep -q md && umount $mntpoint 52 mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 53 54 mdconfig -a -t swap -s ${size}m -u $mdstart 55 newfs $newfs_flags md$mdstart > /dev/null 2>&1 56 mount /dev/md$mdstart $mntpoint 57 58 # start the parallel tests 59 for i in `jot $mounts`; do 60 m=$(( i + mdstart - 1 )) 61 ./$0 $m & 62 ./$0 find & 63 done 64 65 wait 66 67 while mount | grep -q "on $mntpoint "; do 68 umount $mntpoint > /dev/null 2>&1 || sleep 1 69 done 70 mdconfig -d -u $mdstart 71 exit 0 72else 73 touch $CONT 74 if [ $1 = find ]; then 75 while [ -f $CONT ]; do 76 find ${mntpoint}* -type f > /dev/null 2>&1 77 done 78 else 79 m=$1 80 set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'` 81 export KBLOCKS=$(($1 / N)) 82 export INODES=$(($2 / N)) 83 export runRUNTIME=1m 84 export INCARNATIONS=4 85 # The test: Parallel mount and unmounts 86 for i in `jot 4`; do 87 [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m 88 mount -t nullfs $mntpoint ${mntpoint}$m 89 mkdir -p ${mntpoint}$m/$m 90 chmod 777 ${mntpoint}$m/$m 91 export RUNDIR=${mntpoint}$m/$m/stressX 92 export CTRLDIR=${mntpoint}$m/$m/stressX.control 93 (cd ${mntpoint}$m/$m && find . -delete) 94 su $testuser -c 'cd ..; ./run.sh disk.cfg' > \ 95 /dev/null 2>&1 & 96 sleep 30 97 98 while mount | grep -q "on ${mntpoint}$m "; do 99 opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f") 100 umount $opt ${mntpoint}$m > /dev/null 2>&1 101 done 102 wait 103 done 104 rm -f $CONT 105 fi 106fi 107