1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2018 Dell EMC Isilon 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30# Variation of nullfs17.sh WiP 31 32[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 33. ../default.cfg 34 35mounts=4 # Number of parallel scripts 36: ${nullfs_srcdir:=$mntpoint} 37: ${nullfs_dstdir:=$mntpoint} 38CONT=/tmp/nullfs25.continue 39 40mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 41mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 42mdconfig -a -t swap -s 1g -u $mdstart 43newfs $newfs_flags md$mdstart > /dev/null 44mount /dev/md$mdstart $mntpoint 45chmod 777 $mntpoint 46(cd $mntpoint; jot 500 | xargs touch) 47(cd ../testcases/swap; ./swap -t 5m -i 20 > /dev/null) & 48 49for i in `jot $mounts $mdstart`; do 50 [ ! -d ${nullfs_dstdir}$i ] && mkdir ${nullfs_dstdir}$i 51 mount | grep -q " ${nullfs_dstdir}$i " && 52 umount ${nullfs_dstdir}$i 53done 54 55# Start the parallel tests 56touch $CONT 57for i in `jot $mounts $mdstart`; do 58 while [ -f $CONT ]; do 59 find ${nullfs_dstdir}$i -type f -maxdepth 2 -ls > \ 60 /dev/null 2>&1 61 done & 62 # The test: Parallel mount and unmounts 63 start=`date +%s` 64 ( 65 while [ $((`date +%s` - start)) -lt 300 ]; do 66 mount_nullfs $nullfs_srcdir ${nullfs_dstdir}$i > \ 67 /dev/null 2>&1 68 opt=$([ `jot -r 1 0 1` -eq 0 ] && echo "-f") 69 while mount | grep -q ${nullfs_dstdir}$i; do 70 umount $opt ${nullfs_dstdir}$i > \ 71 /dev/null 2>&1 72 done 73 done 74 rm -f $CONT 75 ) & 76done 77while [ -f $CONT ] ; do sleep 1; done 78while pgrep -q swap; do pkill swap; done 79wait 80 81for i in `jot $mounts`; do 82 umount ${nullfs_dstdir}$i > /dev/null 2>&1 83done 84while mount | grep $mntpoint | grep -q /dev/md; do 85 umount $mntpoint || sleep 1 86 [ $((n += 1)) -gt 300 ] && { echo FAIL; exit 1; } 87done 88mdconfig -d -u $mdstart 89exit 0 90