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 42newfs $newfs_flags md$mdstart > /dev/null 43mount /dev/md$mdstart $mntpoint 44set +e 45 46: ${size:=2m} 47dd if=/dev/zero of=$mntpoint/swapfile bs=$size count=1 status=none 48ls -lh $mntpoint/swapfile 49swapoff -a 50md2=$((mdstart + 1)) 51mdconfig -l | grep -q md$md2 && mdconfig -d -u $md2 52mdconfig -a -t vnode -f $mntpoint/swapfile -u $md2 53set +e 54swapon /dev/md$md2 55 56su $testuser -c 'cd ../testcases/swap; nice ./swap -t 2m -i 20 -h -l 100' & 57for i in `jot 20`; do 58 [ `swapinfo | tail -1 | awk '{print $3}'` -gt 0 ] && break 59 sleep 5 60done 61umount -f $mntpoint 62swapoff /dev/md$md2 63 64while pgrep -q swap; do pkill -9 swap; done 65wait 66 67n=0 68while mount | grep $mntpoint | grep -q /dev/md; do 69 umount $mntpoint || sleep 1 70 n=$((n + 1)) 71 [ $n -gt 300 ] && { echo FAIL; exit 1; } 72done 73mdconfig -d -u $mdstart 74swapon -a 75exit 0 76