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      1 # $NetBSD: t_vnode_leak.sh,v 1.8 2024/04/28 07:27:41 rillig Exp $
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      3 # Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc.
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     15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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     27 
     28 atf_test_case main cleanup
     29 main_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 }
     37 main_body() {
     38 	echo "Lowering kern.maxvnodes to 2000"
     39 	sysctl -n kern.maxvnodes >oldvnodes
     40 	atf_check -s exit: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 ${f}
     46 	done
     47 	test_unmount
     48 }
     49 main_cleanup() {
     50 	oldvnodes=$(cat oldvnodes)
     51 	echo "Restoring kern.maxvnodes to ${oldvnodes}"
     52 	sysctl -w kern.maxvnodes=${oldvnodes}
     53 }
     54 
     55 atf_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