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, while using getfsstat(2) via 30# mount(8). 31 32[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 33 34. ../default.cfg 35 36mounts=15 # Number of parallel scripts 37cont=/tmp/crossmp.continue 38mdstart=$mdstart # Use md unit numbers from this point 39 40if [ $# -eq 0 ]; then 41 touch $cont 42 for i in `jot $mounts`; do 43 m=$(( i + mdstart - 1 )) 44 [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m 45 mount | grep "${mntpoint}$m " | grep -q md$m && 46 umount ${mntpoint}$m 47 mdconfig -l | grep -q md$m && mdconfig -d -u $m 48 49 mdconfig -a -t swap -s 512m -u $m 50 bsdlabel -w md$m auto 51 newfs $newfs_flags md${m}$part > /dev/null 2>&1 52 done 53 54 # start the parallel tests 55 for i in `jot $mounts`; do 56 m=$(( i + mdstart - 1 )) 57 ./$0 $m & 58 ./$0 find $m & 59 done 60 wait 61 62 for i in `jot $mounts`; do 63 m=$(( i + mdstart - 1 )) 64 mdconfig -d -u $m 65 rm -f $D$m 66 done 67 exit 0 68else 69 if [ $1 = find ]; then 70 m=$2 71 while [ -r $cont ]; do 72 df ${mntpoint}$m 73 mount 74 done > /dev/null 2>&1 75 else 76 77 # The test: Parallel mount and unmounts 78 start=`date '+%s'` 79 while [ $((`date '+%s'` - start)) -lt 300 ] ; do 80 m=$1 81 mount /dev/md${m}$part ${mntpoint}$m 82 while mount | grep -qw ${mntpoint}$m; do 83 opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && 84 echo "-f") 85 umount $opt ${mntpoint}$m > /dev/null 2>&1 86 done 87 done 88 rm -f $cont 89 fi 90fi 91