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# 21# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31# POSSIBILITY OF SUCH DAMAGE. 32# 33# 34 35# 36# Verifies that vnodes are not leaked and that their reclaim operation works 37# as expected: i.e., when all free vnodes are exhausted, unused ones have to 38# be recycled, which is what the reclaim operation does. 39# 40 41test_run() { 42 oldvnodes=$(sysctl kern.maxvnodes | awk '{ print $2; }') 43 sysctl -w kern.maxvnodes=2000 >/dev/null || die 44 45 test_name "vnodes are properly reclaimed" 46 test_mount -o size=$(((4000 + 2) * 4096)) 47 for f in $(jot 4000); do 48 mkdir ${f} 49 done 50 test_unmount 51 52 sysctl -w kern.maxvnodes=${oldvnodes} >/dev/null || die 53} 54 55. ${SUBRDIR}/h_funcs.subr 56