1#!/bin/sh 2 3# 4# Copyright (c) 2018 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# Variation of nullfs.sh 30 31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32 33. ../default.cfg 34 35mounts=15 # Number of parallel scripts 36: ${nullfs_srcdir:=/tmp} 37: ${nullfs_dstdir:=$mntpoint} 38runtime=300 39 40for i in `jot $mounts`; do 41 [ ! -d ${nullfs_dstdir}$i ] && mkdir ${nullfs_dstdir}$i 42 mount | grep -q " ${nullfs_dstdir}$i " && 43 umount ${nullfs_dstdir}$i 44done 45 46for i in `jot $mounts`; do 47 start=`date '+%s'` 48 while [ `date '+%s'` -lt $((start + $runtime)) ]; do 49 find ${nullfs_dstdir}* -type f -maxdepth 2 -ls > \ 50 /dev/null 2>&1 51 done & 52done 53 54(cd ../testcases/swap; ./swap -t ${runtime}s -i 20) & 55for i in `jot $mounts`; do 56 # The test: Parallel mount and unmounts 57 start=`date '+%s'` 58 while [ `date '+%s'` -lt $((start + $runtime)) ]; do 59 mount_nullfs $nullfs_srcdir ${nullfs_dstdir}$i > \ 60 /dev/null 2>&1 61 opt=$([ `jot -r 1 0 1` -eq 0 ] && echo "-f") 62 while mount | grep -q ${nullfs_dstdir}$i; do 63 umount $opt ${nullfs_dstdir}$i > \ 64 /dev/null 2>&1 65 done 66 done & 67done 68wait 69exit 0 70