diff options
Diffstat (limited to 'contrib/netbsd-tests/fs/tmpfs/t_vnode_leak.sh')
-rwxr-xr-x | contrib/netbsd-tests/fs/tmpfs/t_vnode_leak.sh | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/fs/tmpfs/t_vnode_leak.sh b/contrib/netbsd-tests/fs/tmpfs/t_vnode_leak.sh new file mode 100755 index 0000000..c505ffd --- /dev/null +++ b/contrib/netbsd-tests/fs/tmpfs/t_vnode_leak.sh @@ -0,0 +1,60 @@ +# $NetBSD: t_vnode_leak.sh,v 1.6 2010/11/07 17:51:18 jmmv 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 kern.maxvnodes | awk '{ print $3; }' >oldvnodes + atf_check -s eq:0 -o ignore -e empty sysctl -w kern.maxvnodes=2000 + + test_mount -o -s$(((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 +} |