1# $NetBSD: t_vnode_leak.sh,v 1.6 2010/11/07 17:51:18 jmmv Exp $ 2# 3# Copyright (c) 2005, 2006, 2007, 2008 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# 15# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25# POSSIBILITY OF SUCH DAMAGE. 26# 27 28atf_test_case main cleanup 29main_head() { 30 atf_set "descr" "Verifies that vnodes are not leaked and that" \ 31 "their reclaim operation works as expected: i.e.," \ 32 "when all free vnodes are exhausted, unused ones" \ 33 "have to be recycled, which is what the reclaim" \ 34 "operation does." 35 atf_set "require.user" "root" 36} 37main_body() { 38 echo "Lowering kern.maxvnodes to 2000" 39 sysctl kern.maxvnodes | awk '{ print $3; }' >oldvnodes 40 atf_check -s eq:0 -o ignore -e empty sysctl -w kern.maxvnodes=2000 41 42 test_mount -o -s$(((4000 + 2) * 4096)) 43 echo "Creating 4000 directories" 44 for f in $(jot 4000); do 45 mkdir ${f} 46 done 47 test_unmount 48} 49main_cleanup() { 50 oldvnodes=$(cat oldvnodes) 51 echo "Restoring kern.maxvnodes to ${oldvnodes}" 52 sysctl -w kern.maxvnodes=${oldvnodes} 53} 54 55atf_init_test_cases() { 56 . $(atf_get_srcdir)/../h_funcs.subr 57 . $(atf_get_srcdir)/h_funcs.subr 58 59 atf_add_test_case main 60} 61