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 41 42if [ $# -eq 0 ]; then 43 touch $cont 44 mycc -o /tmp/fstool -Wall -Wextra -O2 ../tools/fstool.c || exit 1 45 for i in `jot $mounts`; do 46 m=$(( i + mdstart - 1 )) 47 [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m 48 mount | grep "$mntpoint" | grep -q md$m && umount ${mntpoint}$m 49 mdconfig -l | grep -q md$m && mdconfig -d -u $m 50 51 mdconfig -a -t swap -s 1g -u $m 52 bsdlabel -w md$m auto 53 newfs_msdos -F 32 -b 8192 /dev/md${m}$part > /dev/null 2>&1 54 mount -t msdosfs /dev/md${m}$part ${mntpoint}$m 55 (mkdir ${mntpoint}$m/test$i; cd ${mntpoint}$m/test$i; /tmp/fstool -l -f 100 -n 100 -s ${i}k) 56 umount ${mntpoint}$m > /dev/null 2>&1 57 done 58 59 # start the parallel tests 60 for i in `jot $mounts`; do 61 m=$(( i + mdstart - 1 )) 62 ./$0 $m & 63 ./$0 find & 64 done 65 66 wait 67 68 for i in `jot $mounts`; do 69 m=$(( i + mdstart - 1 )) 70 mdconfig -d -u $m 71 done 72 rm -f /tmp/fstool 73 74else 75 if [ $1 = find ]; then 76 while [ -r $cont ]; do 77 find ${mntpoint}* -type f > /dev/null 2>&1 78 done 79 else 80 81 # The test: Parallel mount and unmounts 82 start=`date '+%s'` 83 while [ $((`date '+%s'` - start)) -lt 300 ]; do 84 m=$1 85 mount -t msdosfs /dev/md${m}$part ${mntpoint}$m 86 while mount | grep -qw $mntpoint$m; do 87 opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f") 88 umount $opt ${mntpoint}$m > /dev/null 2>&1 89 done 90 done 91 rm -f $cont 92 fi 93fi 94