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 newfs $newfs_flags md${m} > /dev/null 2>&1 51 done 52 53 # start the parallel tests 54 for i in `jot $mounts`; do 55 m=$(( i + mdstart - 1 )) 56 ./$0 $m & 57 ./$0 find $m & 58 done 59 wait 60 61 for i in `jot $mounts`; do 62 m=$(( i + mdstart - 1 )) 63 mdconfig -d -u $m 64 rm -f $D$m 65 done 66 exit 0 67else 68 if [ $1 = find ]; then 69 m=$2 70 while [ -r $cont ]; do 71 df ${mntpoint}$m 72 mount 73 done > /dev/null 2>&1 74 else 75 76 # The test: Parallel mount and unmounts 77 start=`date '+%s'` 78 while [ $((`date '+%s'` - start)) -lt 300 ] ; do 79 m=$1 80 mount /dev/md${m} ${mntpoint}$m 81 while mount | grep -qw ${mntpoint}$m; do 82 opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && 83 echo "-f") 84 umount $opt ${mntpoint}$m > /dev/null 2>&1 85 done 86 done 87 rm -f $cont 88 fi 89fi 90