1#!/bin/sh 2 3# 4# Copyright (c) 2017 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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 30 31# swapoff(8) with swap file gone missing (known issue). 32 33# panic: swap_pager_force_pagein: read from swap failed 34# https://people.freebsd.org/~pho/stress/log/swapoff2.txt 35 36. ../default.cfg 37 38set -e 39mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 40mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 41mdconfig -a -t swap -s 2g -u $mdstart 42bsdlabel -w md$mdstart auto 43newfs $newfs_flags md${mdstart}$part > /dev/null 44mount /dev/md${mdstart}$part $mntpoint 45set +e 46 47: ${size:=2m} 48dd if=/dev/zero of=$mntpoint/swapfile bs=$size count=1 status=none 49ls -lh $mntpoint/swapfile 50swapoff -a 51md2=$((mdstart + 1)) 52mdconfig -l | grep -q md$md2 && mdconfig -d -u $md2 53mdconfig -a -t vnode -f $mntpoint/swapfile -u $md2 54set +e 55swapon /dev/md$md2 56 57su $testuser -c 'cd ../testcases/swap; nice ./swap -t 2m -i 20 -h -l 100' & 58for i in `jot 20`; do 59 [ `swapinfo | tail -1 | awk '{print $3}'` -gt 0 ] && break 60 sleep 5 61done 62umount -f $mntpoint 63swapoff /dev/md$md2 64 65while pgrep -q swap; do pkill -9 swap; done 66wait 67 68n=0 69while mount | grep $mntpoint | grep -q /dev/md; do 70 umount $mntpoint || sleep 1 71 n=$((n + 1)) 72 [ $n -gt 300 ] && { echo FAIL; exit 1; } 73done 74mdconfig -d -u $mdstart 75swapon -a 76exit 0 77