1#!/bin/sh 2 3# 4# Copyright (c) 2016 Dell EMC Isilon 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 30 31# "panic: userret: Returning with 1 locks held" seen: 32# https://people.freebsd.org/~pho/stress/log/mark165.txt 33 34[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 35 36. ../default.cfg 37 38mounts=15 # Number of parallel scripts 39cont=/tmp/msdos6.continue 40mdstart=$mdstart # Use md unit numbers from this point 41part=a 42 43if [ $# -eq 0 ]; then 44 touch $cont 45 mycc -o /tmp/fstool -Wall -Wextra -O2 ../tools/fstool.c || exit 1 46 for i in `jot $mounts`; do 47 m=$(( i + mdstart - 1 )) 48 [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m 49 mount | grep "$mntpoint" | grep -q md$m && umount ${mntpoint}$m 50 mdconfig -l | grep -q md$m && mdconfig -d -u $m 51 52 mdconfig -a -t swap -s 1g -u $m 53 gpart create -s bsd md$m > /dev/null 54 gpart add -t freebsd-ufs md$m > /dev/null 55 newfs_msdos -F 32 -b 8192 /dev/md${m}$part > /dev/null 2>&1 56 mount -t msdosfs /dev/md${m}$part ${mntpoint}$m 57 (mkdir ${mntpoint}$m/test$i; cd ${mntpoint}$m/test$i; /tmp/fstool -l -f 100 -n 100 -s ${i}k) 58 umount ${mntpoint}$m > /dev/null 2>&1 59 done 60 61 # start the parallel tests 62 for i in `jot $mounts`; do 63 m=$(( i + mdstart - 1 )) 64 ./$0 $m & 65 ./$0 find & 66 done 67 68 wait 69 70 for i in `jot $mounts`; do 71 m=$(( i + mdstart - 1 )) 72 mdconfig -d -u $m 73 done 74 rm -f /tmp/fstool 75 76else 77 if [ $1 = find ]; then 78 while [ -r $cont ]; do 79 find ${mntpoint}* -type f > /dev/null 2>&1 80 done 81 else 82 83 # The test: Parallel mount and unmounts 84 start=`date '+%s'` 85 while [ $((`date '+%s'` - start)) -lt 300 ]; do 86 m=$1 87 mount -t msdosfs /dev/md${m}$part ${mntpoint}$m 88 while mount | grep -qw $mntpoint$m; do 89 opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f") 90 umount $opt ${mntpoint}$m > /dev/null 2>&1 91 done 92 done 93 rm -f $cont 94 fi 95fi 96