1f8c94cecSXin LI#!/bin/sh 2f8c94cecSXin LI# 3f8c94cecSXin LI# $NetBSD: t_vnode_leak,v 1.5 2006/11/09 16:20:06 jmmv Exp $ 4f8c94cecSXin LI# 5f8c94cecSXin LI# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc. 6f8c94cecSXin LI# All rights reserved. 7f8c94cecSXin LI# 8f8c94cecSXin LI# This code is derived from software contributed to The NetBSD Foundation 9f8c94cecSXin LI# by Julio M. Merino Vidal, developed as part of Google's Summer of Code 10f8c94cecSXin LI# 2005 program. 11f8c94cecSXin LI# 12f8c94cecSXin LI# Redistribution and use in source and binary forms, with or without 13f8c94cecSXin LI# modification, are permitted provided that the following conditions 14f8c94cecSXin LI# are met: 15f8c94cecSXin LI# 1. Redistributions of source code must retain the above copyright 16f8c94cecSXin LI# notice, this list of conditions and the following disclaimer. 17f8c94cecSXin LI# 2. Redistributions in binary form must reproduce the above copyright 18f8c94cecSXin LI# notice, this list of conditions and the following disclaimer in the 19f8c94cecSXin LI# documentation and/or other materials provided with the distribution. 20f8c94cecSXin LI# 21f8c94cecSXin LI# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22f8c94cecSXin LI# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23f8c94cecSXin LI# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24f8c94cecSXin LI# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25f8c94cecSXin LI# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26f8c94cecSXin LI# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27f8c94cecSXin LI# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28f8c94cecSXin LI# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29f8c94cecSXin LI# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30f8c94cecSXin LI# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31f8c94cecSXin LI# POSSIBILITY OF SUCH DAMAGE. 32f8c94cecSXin LI# 33f8c94cecSXin LI# 34f8c94cecSXin LI 35f8c94cecSXin LI# 36f8c94cecSXin LI# Verifies that vnodes are not leaked and that their reclaim operation works 37f8c94cecSXin LI# as expected: i.e., when all free vnodes are exhausted, unused ones have to 38f8c94cecSXin LI# be recycled, which is what the reclaim operation does. 39f8c94cecSXin LI# 40f8c94cecSXin LI 41f8c94cecSXin LItest_run() { 42f8c94cecSXin LI oldvnodes=$(sysctl kern.maxvnodes | awk '{ print $2; }') 43f8c94cecSXin LI sysctl -w kern.maxvnodes=2000 >/dev/null || die 44f8c94cecSXin LI 45f8c94cecSXin LI test_name "vnodes are properly reclaimed" 46f8c94cecSXin LI test_mount -o size=$(((4000 + 2) * 4096)) 47f8c94cecSXin LI for f in $(jot 4000); do 48f8c94cecSXin LI mkdir ${f} 49f8c94cecSXin LI done 50f8c94cecSXin LI test_unmount 51f8c94cecSXin LI 52f8c94cecSXin LI sysctl -w kern.maxvnodes=${oldvnodes} >/dev/null || die 53f8c94cecSXin LI} 54f8c94cecSXin LI 55f8c94cecSXin LI. ${SUBRDIR}/h_funcs.subr 56