Date: Thu, 2 Apr 2009 07:11:54 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r190638 - projects/stress2/misc Message-ID: <200904020711.n327Bs09055073@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: pho Date: Thu Apr 2 07:11:54 2009 New Revision: 190638 URL: http://svn.freebsd.org/changeset/base/190638 Log: Added test based on scanario from "kern/94769: [ufs] Multiple file deletions on multi-snapshotted filesystems causes hang" Added: projects/stress2/misc/snap8.sh (contents, props changed) Added: projects/stress2/misc/snap8.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/stress2/misc/snap8.sh Thu Apr 2 07:11:54 2009 (r190638) @@ -0,0 +1,95 @@ +#!/bin/sh + +# +# Copyright (c) 2009 Peter Holm <pho@FreeBSD.org> +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# Deadlock seen when deleting the snapshots during an "ls" of the FS + +# Based on test scenario by John Kozubik <john at kozubik dot com> +# kern/94769: [ufs] Multiple file deletions on multi-snapshotted filesystems +# causes hang + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +mount | grep -q /dev/md${mdstart}$part && umount -f /dev/md${mdstart}$part +mdconfig -l | grep -q md${mdstart} && mdconfig -d -u $mdstart + + +parallel=20 +size=25 # Gb +[ `df -k $(dirname $diskimage) | tail -1 | awk '{print $4'}` -lt $((size * 1024 * 1024)) ] && \ + echo "Not enough disk space." && exit 1 +truncate -s ${size}G $diskimage + +mdconfig -a -t vnode -f $diskimage -u $mdstart +disklabel -r -w md$mdstart auto +newfs -O2 -U md${mdstart}${part} > /dev/null +mount /dev/md${mdstart}${part} $mntpoint + + +cc -o /tmp/fstool -Wall ../tools/fstool.c +for i in `jot $parallel`; do + (mkdir $mntpoint/test$i; cd $mntpoint/test$i; /tmp/fstool -l -f 50 -n 500 -s 8k) & +done +for i in `jot $parallel`; do + wait +done +rm -f /tmp/fstool + +mksnap_ffs $mntpoint $mntpoint/.snap/snap1 +mksnap_ffs $mntpoint $mntpoint/.snap/snap2 +mksnap_ffs $mntpoint $mntpoint/.snap/snap3 +mksnap_ffs $mntpoint $mntpoint/.snap/snap4 +mksnap_ffs $mntpoint $mntpoint/.snap/snap5 +mksnap_ffs $mntpoint $mntpoint/.snap/snap6 +mksnap_ffs $mntpoint $mntpoint/.snap/snap7 +mksnap_ffs $mntpoint $mntpoint/.snap/snap8 +mksnap_ffs $mntpoint $mntpoint/.snap/snap9 + +for i in `jot $parallel`; do + rm -rf $mntpoint/test$i & +done +for i in `jot $parallel`; do + wait +done + +rm -rf $mntpoint/.snap/snap? & + +for i in `jot 10`; do + ls -lsrt $mntpoint > /dev/null 2>&1 + sleep 2 +done +wait + +umount /dev/md${mdstart}$part + +mount | grep -q /dev/md${mdstart}$part && umount -f /dev/md${mdstart}$part +mdconfig -l | grep -q md${mdstart} && mdconfig -d -u $mdstart +rm -f $diskimage
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200904020711.n327Bs09055073>