61 lines
2.3 KiB
Bash
61 lines
2.3 KiB
Bash
# $NetBSD: t_vnode_leak.sh,v 1.8 2024/04/28 07:27:41 rillig Exp $
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#
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# Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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atf_test_case main cleanup
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main_head() {
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atf_set "descr" "Verifies that vnodes are not leaked and that" \
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"their reclaim operation works as expected: i.e.," \
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"when all free vnodes are exhausted, unused ones" \
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"have to be recycled, which is what the reclaim" \
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"operation does."
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atf_set "require.user" "root"
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}
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main_body() {
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echo "Lowering kern.maxvnodes to 2000"
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sysctl -n kern.maxvnodes >oldvnodes
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atf_check -s exit:0 -o ignore -e empty sysctl -w kern.maxvnodes=2000
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test_mount -o -s$(((4000 + 2) * 4096))
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echo "Creating 4000 directories"
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for f in $(jot 4000); do
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mkdir ${f}
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done
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test_unmount
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}
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main_cleanup() {
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oldvnodes=$(cat oldvnodes)
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echo "Restoring kern.maxvnodes to ${oldvnodes}"
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sysctl -w kern.maxvnodes=${oldvnodes}
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}
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atf_init_test_cases() {
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. $(atf_get_srcdir)/../h_funcs.subr
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. $(atf_get_srcdir)/h_funcs.subr
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atf_add_test_case main
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}
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