diff options
Diffstat (limited to 'tools/regression/tmpfs/t_vnode_leak')
-rw-r--r-- | tools/regression/tmpfs/t_vnode_leak | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/tools/regression/tmpfs/t_vnode_leak b/tools/regression/tmpfs/t_vnode_leak new file mode 100644 index 0000000..7f6b2f9 --- /dev/null +++ b/tools/regression/tmpfs/t_vnode_leak @@ -0,0 +1,63 @@ +#!/bin/sh +# +# $NetBSD: t_vnode_leak,v 1.5 2006/11/09 16:20:06 jmmv Exp $ +# +# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc. +# All rights reserved. +# +# This code is derived from software contributed to The NetBSD Foundation +# by Julio M. Merino Vidal, developed as part of Google's Summer of Code +# 2005 program. +# +# 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. +# 3. All advertising materials mentioning features or use of this software +# must display the following acknowledgement: +# This product includes software developed by the NetBSD +# Foundation, Inc. and its contributors. +# 4. Neither the name of The NetBSD Foundation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# 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. +# +# $FreeBSD$ +# + +# +# 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. +# + +test_run() { + oldvnodes=$(sysctl kern.maxvnodes | awk '{ print $2; }') + sysctl -w kern.maxvnodes=2000 >/dev/null || die + + test_name "vnodes are properly reclaimed" + test_mount -o size=$(((4000 + 2) * 4096)) + for f in $(jot 4000); do + mkdir ${f} + done + test_unmount + + sysctl -w kern.maxvnodes=${oldvnodes} >/dev/null || die +} + +. ${SUBRDIR}/h_funcs.subr |