Date: Sun, 12 May 2013 06:11:01 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r250555 - user/pho/stress2/misc Message-ID: <201305120611.r4C6B17c062876@svn.freebsd.org>
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Author: pho Date: Sun May 12 06:11:01 2013 New Revision: 250555 URL: http://svnweb.freebsd.org/changeset/base/250555 Log: Added regression test for a nullfs vnode reference leak in nullfs_reclaim_lowervp(). Fixed in r250505. Added: user/pho/stress2/misc/nullfs13.sh (contents, props changed) Added: user/pho/stress2/misc/nullfs13.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/nullfs13.sh Sun May 12 06:11:01 2013 (r250555) @@ -0,0 +1,77 @@ +#!/bin/sh + +# +# Copyright (c) 2013 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. +# +# $FreeBSD$ +# + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +# kern/178238 "nullfs don't release i-nodes on unlink" + +. ../default.cfg + +nullfsmp=${mntpoint}2 +mount | grep -q "$nullfsmp " && umount $nullfsmp + +[ -d $nullfsmp ] || mkdir $nullfsmp +mount | grep "$mntpoint " | grep -q /dev/md && umount -f $mntpoint +mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 1g -u $mdstart +bsdlabel -w md$mdstart auto +newfs -U md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +chmod 777 $mntpoint +mount -t nullfs $mntpoint $nullfsmp + +(cd $nullfsmp; jot 20 | xargs touch) +rm $nullfsmp/* + +(cd $nullfsmp; jot 20 | xargs touch) +rm $mntpoint/* + +(cd $mntpoint; jot 20 | xargs touch) +rm $mntpoint/* + +(cd $mntpoint; jot 20 | xargs touch) +rm $nullfsmp/* + +ino=`df -i $nullfsmp | tail -1 | awk '{print $6}'` +if [ $ino -ne 2 ]; then + echo FAIL + df -i $mntpoint $nullfsmp + echo "ls -la $mntpoint $nullfsmp" + ls -la $mntpoint $nullfsmp +fi + +while mount | grep -q "$nullfsmp "; do + umount $nullfsmp || sleep 1 +done + +while mount | grep -q "$mntpoint "; do + umount $mntpoint || sleep 1 +done +mdconfig -d -u $mdstart
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