1# $NetBSD: t_vnode_leak.sh,v 1.1 2007/11/12 15:18:29 jmmv Exp $ 2# 3# Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 3. All advertising materials mentioning features or use of this software 15# must display the following acknowledgement: 16# This product includes software developed by the NetBSD 17# Foundation, Inc. and its contributors. 18# 4. Neither the name of The NetBSD Foundation nor the names of its 19# contributors may be used to endorse or promote products derived 20# from this software without specific prior written permission. 21# 22# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32# POSSIBILITY OF SUCH DAMAGE. 33# 34 35atf_test_case main 36main_head() { 37 atf_set "descr" "Verifies that vnodes are not leaked and that" \ 38 "their reclaim operation works as expected: i.e.," \ 39 "when all free vnodes are exhausted, unused ones" \ 40 "have to be recycled, which is what the reclaim" \ 41 "operation does." 42 atf_set "require.user" "root" 43} 44main_body() { 45 echo "Lowering kern.maxvnodes to 2000" 46 sysctl kern.maxvnodes | awk '{ print $3; }' >oldvnodes 47 atf_check 'sysctl -w kern.maxvnodes=2000' 0 ignore null 48 49 test_mount -o -s$(((4000 + 2) * 4096)) 50 echo "Creating 4000 directories" 51 for f in $(jot 4000); do 52 mkdir ${f} 53 done 54 test_unmount 55} 56main_cleanup() { 57 oldvnodes=$(cat oldvnodes) 58 echo "Restoring kern.maxvnodes to ${oldvnodes}" 59 sysctl -w kern.maxvnodes=${oldvnodes} 60} 61 62atf_init_test_cases() { 63 . $(atf_get_srcdir)/../h_funcs.subr 64 . $(atf_get_srcdir)/h_funcs.subr 65 66 atf_add_test_case main 67} 68