18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 48a272653SPeter Holm# Copyright (c) 2011 Peter Holm <pho@FreeBSD.org> 58a272653SPeter Holm# All rights reserved. 68a272653SPeter Holm# 78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 88a272653SPeter Holm# modification, are permitted provided that the following conditions 98a272653SPeter Holm# are met: 108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 118a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 138a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 148a272653SPeter Holm# documentation and/or other materials provided with the distribution. 158a272653SPeter Holm# 168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 198a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 268a272653SPeter Holm# SUCH DAMAGE. 278a272653SPeter Holm# 288a272653SPeter Holm 298a272653SPeter Holm# mksnap_ffs(8) test scenario 308a272653SPeter Holm 318a272653SPeter Holm# Livelock seen in ffs_sync(). 328a272653SPeter Holm# "panic: initiate_write_bmsafemap: block 846816 marked free" seen. 338a272653SPeter Holm# Zero size snapshot file seen. 348a272653SPeter Holm 358a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 368a272653SPeter Holm 378a272653SPeter Holm. ../default.cfg 388a272653SPeter Holm 398a272653SPeter Holmmount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 408a272653SPeter Holmmdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 418a272653SPeter Holm 428a272653SPeter Holmmdconfig -a -t swap -s 2g -u $mdstart || exit 1 438a272653SPeter Holm 44608c97bfSPeter Holmnewfs -j md$mdstart > /dev/null 2>&1 458a272653SPeter Holm 46608c97bfSPeter Holmmount /dev/md$mdstart $mntpoint 478a272653SPeter Holmchmod 777 $mntpoint 488a272653SPeter Holm 49*6e36cfadSPeter Holmexport runRUNTIME=10m 508a272653SPeter Holmexport RUNDIR=$mntpoint/stressX 518a272653SPeter Holmexport creatINCARNATIONS=2 528a272653SPeter Holm 538a272653SPeter Holmexport TESTPROGS=" 548a272653SPeter Holmtestcases/creat/creat 558a272653SPeter Holm" 568a272653SPeter Holmsu $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > /dev/null 2>&1 & 578a272653SPeter Holmrpid=$! 588a272653SPeter Holmmdstart2=$((mdstart + 1)) 598a272653SPeter Holmmntpoint2=${mntpoint}2 608a272653SPeter Holm[ -d $mntpoint2 ] || mkdir $mntpoint2 618a272653SPeter Holmmount | grep $mntpoint2 | grep -q /dev/md && umount -f $mntpoint2 628a272653SPeter Holmmdconfig -l | grep -q md$mdstart2 && mdconfig -d -u $mdstart2 638a272653SPeter Holmwhile kill -0 $rpid 2> /dev/null; do 648a272653SPeter Holm rm -f $mntpoint/.snap/suj16 658a272653SPeter Holm { mksnap_ffs $mntpoint $mntpoint/.snap/suj16 || continue; } 2>&1 | \ 668a272653SPeter Holm grep -v "Resource temporarily unavailable" 678a272653SPeter Holm [ ! -s $mntpoint/.snap/suj16 ] && continue 688a272653SPeter Holm mdconfig -a -t vnode -f $mntpoint/.snap/suj16 -u $mdstart2 -o readonly 698a272653SPeter Holm mount -r /dev/md$mdstart2 $mntpoint2 708a272653SPeter Holm 718a272653SPeter Holm ls -l $mntpoint2 > /dev/null 728a272653SPeter Holm 738a272653SPeter Holm umount $mntpoint2 748a272653SPeter Holm mdconfig -d -u $mdstart2 758a272653SPeter Holmdone 768a272653SPeter Holmwait 778a272653SPeter Holm 788a272653SPeter Holmwhile mount | grep $mntpoint | grep -q /dev/md; do 798a272653SPeter Holm umount $mntpoint || sleep 1 808a272653SPeter Holmdone 818a272653SPeter Holmmdconfig -d -u $mdstart 82