1#!/bin/sh 2# 3# $NetBSD: t_vnode_leak,v 1.5 2006/11/09 16:20:06 jmmv Exp $ 4# 5# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc. 6# All rights reserved. 7# 8# This code is derived from software contributed to The NetBSD Foundation 9# by Julio M. Merino Vidal, developed as part of Google's Summer of Code 10# 2005 program. 11# 12# Redistribution and use in source and binary forms, with or without 13# modification, are permitted provided that the following conditions 14# are met: 15# 1. Redistributions of source code must retain the above copyright 16# notice, this list of conditions and the following disclaimer. 17# 2. Redistributions in binary form must reproduce the above copyright 18# notice, this list of conditions and the following disclaimer in the 19# documentation and/or other materials provided with the distribution. 20# 3. All advertising materials mentioning features or use of this software 21# must display the following acknowledgement: 22# This product includes software developed by the NetBSD 23# Foundation, Inc. and its contributors. 24# 4. Neither the name of The NetBSD Foundation nor the names of its 25# contributors may be used to endorse or promote products derived 26# from this software without specific prior written permission. 27# 28# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38# POSSIBILITY OF SUCH DAMAGE. 39# 40# $FreeBSD$ 41# 42 43# 44# Verifies that vnodes are not leaked and that their reclaim operation works 45# as expected: i.e., when all free vnodes are exhausted, unused ones have to 46# be recycled, which is what the reclaim operation does. 47# 48 49test_run() { 50 oldvnodes=$(sysctl kern.maxvnodes | awk '{ print $2; }') 51 sysctl -w kern.maxvnodes=2000 >/dev/null || die 52 53 test_name "vnodes are properly reclaimed" 54 test_mount -o size=$(((4000 + 2) * 4096)) 55 for f in $(jot 4000); do 56 mkdir ${f} 57 done 58 test_unmount 59 60 sysctl -w kern.maxvnodes=${oldvnodes} >/dev/null || die 61} 62 63. ${SUBRDIR}/h_funcs.subr 64