# $NetBSD: t_vnode_leak.sh,v 1.7 2018/01/17 00:23:17 maya Exp $ # # Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # atf_test_case main cleanup main_head() { atf_set "descr" "Verifies that vnodes are not leaked and that" \ "their reclaim operation works as expected: i.e.," \ "when all free vnodes are exhausted, unused ones" \ "have to be recycled, which is what the reclaim" \ "operation does." atf_set "require.user" "root" } main_body() { echo "Lowering kern.maxvnodes to 2000" sysctl -n kern.maxvnodes >oldvnodes atf_check -s eq:0 -o ignore -e empty sysctl -w kern.maxvnodes=2000 test_mount -o -s$(((4000 + 2) * 4096)) echo "Creating 4000 directories" for f in $(jot 4000); do mkdir ${f} done test_unmount } main_cleanup() { oldvnodes=$(cat oldvnodes) echo "Restoring kern.maxvnodes to ${oldvnodes}" sysctl -w kern.maxvnodes=${oldvnodes} } atf_init_test_cases() { . $(atf_get_srcdir)/../h_funcs.subr . $(atf_get_srcdir)/h_funcs.subr atf_add_test_case main }