1272343Sngie# $NetBSD: t_vnode_leak.sh,v 1.6 2010/11/07 17:51:18 jmmv Exp $
2272343Sngie#
3272343Sngie# Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc.
4272343Sngie# All rights reserved.
5272343Sngie#
6272343Sngie# Redistribution and use in source and binary forms, with or without
7272343Sngie# modification, are permitted provided that the following conditions
8272343Sngie# are met:
9272343Sngie# 1. Redistributions of source code must retain the above copyright
10272343Sngie#    notice, this list of conditions and the following disclaimer.
11272343Sngie# 2. Redistributions in binary form must reproduce the above copyright
12272343Sngie#    notice, this list of conditions and the following disclaimer in the
13272343Sngie#    documentation and/or other materials provided with the distribution.
14272343Sngie#
15272343Sngie# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16272343Sngie# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17272343Sngie# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18272343Sngie# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19272343Sngie# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20272343Sngie# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21272343Sngie# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22272343Sngie# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23272343Sngie# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24272343Sngie# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25272343Sngie# POSSIBILITY OF SUCH DAMAGE.
26272343Sngie#
27272343Sngie
28272343Sngieatf_test_case main cleanup
29272343Sngiemain_head() {
30272343Sngie	atf_set "descr" "Verifies that vnodes are not leaked and that" \
31272343Sngie	                "their reclaim operation works as expected: i.e.," \
32272343Sngie	                "when all free vnodes are exhausted, unused ones" \
33272343Sngie	                "have to be recycled, which is what the reclaim" \
34272343Sngie	                "operation does."
35272343Sngie	atf_set "require.user" "root"
36272343Sngie}
37272343Sngiemain_body() {
38272343Sngie	echo "Lowering kern.maxvnodes to 2000"
39272343Sngie	sysctl kern.maxvnodes | awk '{ print $3; }' >oldvnodes
40272343Sngie	atf_check -s eq:0 -o ignore -e empty sysctl -w kern.maxvnodes=2000
41272343Sngie
42272343Sngie	test_mount -o -s$(((4000 + 2) * 4096))
43272343Sngie	echo "Creating 4000 directories"
44272343Sngie	for f in $(jot 4000); do
45272343Sngie		mkdir ${f}
46272343Sngie	done
47272343Sngie	test_unmount
48272343Sngie}
49272343Sngiemain_cleanup() {
50272343Sngie	oldvnodes=$(cat oldvnodes)
51272343Sngie	echo "Restoring kern.maxvnodes to ${oldvnodes}"
52272343Sngie	sysctl -w kern.maxvnodes=${oldvnodes}
53272343Sngie}
54272343Sngie
55272343Sngieatf_init_test_cases() {
56272343Sngie	. $(atf_get_srcdir)/../h_funcs.subr
57272343Sngie	. $(atf_get_srcdir)/h_funcs.subr
58272343Sngie
59272343Sngie	atf_add_test_case main
60272343Sngie}
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