1#!/bin/sh 2 3# 4# Copyright (c) 2011 Peter Holm <pho@FreeBSD.org> 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# mksnap_ffs(8) test scenario 30 31# Livelock seen in ffs_sync(). 32# "panic: initiate_write_bmsafemap: block 846816 marked free" seen. 33# Zero size snapshot file seen. 34 35[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 36 37. ../default.cfg 38 39mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 40mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 41 42mdconfig -a -t swap -s 2g -u $mdstart || exit 1 43 44newfs -j md$mdstart > /dev/null 2>&1 45 46mount /dev/md$mdstart $mntpoint 47chmod 777 $mntpoint 48 49export runRUNTIME=10m 50export RUNDIR=$mntpoint/stressX 51export creatINCARNATIONS=2 52 53export TESTPROGS=" 54testcases/creat/creat 55" 56su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > /dev/null 2>&1 & 57rpid=$! 58mdstart2=$((mdstart + 1)) 59mntpoint2=${mntpoint}2 60[ -d $mntpoint2 ] || mkdir $mntpoint2 61mount | grep $mntpoint2 | grep -q /dev/md && umount -f $mntpoint2 62mdconfig -l | grep -q md$mdstart2 && mdconfig -d -u $mdstart2 63while kill -0 $rpid 2> /dev/null; do 64 rm -f $mntpoint/.snap/suj16 65 { mksnap_ffs $mntpoint $mntpoint/.snap/suj16 || continue; } 2>&1 | \ 66 grep -v "Resource temporarily unavailable" 67 [ ! -s $mntpoint/.snap/suj16 ] && continue 68 mdconfig -a -t vnode -f $mntpoint/.snap/suj16 -u $mdstart2 -o readonly 69 mount -r /dev/md$mdstart2 $mntpoint2 70 71 ls -l $mntpoint2 > /dev/null 72 73 umount $mntpoint2 74 mdconfig -d -u $mdstart2 75done 76wait 77 78while mount | grep $mntpoint | grep -q /dev/md; do 79 umount $mntpoint || sleep 1 80done 81mdconfig -d -u $mdstart 82