xref: /freebsd/tools/test/stress2/misc/nullfs16.sh (revision 3c4ba5f55438f7afd4f4b0b56f88f2bb505fd6a6)
1#!/bin/sh
2
3#
4# Copyright (c) 2015 EMC Corp.
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28
29[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
30
31. ../default.cfg
32
33# [Bug 178238] [nullfs] nullfs don't release i-nodes on unlink.
34# Test scenaro by: noah.bergbauer@tum.de
35# Fixed by: r292961
36
37mount | grep -q "on $mntpoint " && umount -f $mntpoint
38mount -o size=1g -t tmpfs tmpfs $mntpoint
39
40mp2=${mntpoint}2
41[ -d $mp2 ] || mkdir -p $mp2
42mount | grep -q "on $mp2 " && umount -f $mp2
43mount -t nullfs $mntpoint $mp2
44
45# Expect second dd to fail
46for i in `jot 2`; do
47	dd if=/dev/zero of=$mp2/file bs=1m count=1023 \
48	    status=none
49	rm -f $mp2/file
50done
51if [ `df -i $mp2 | tail -1 | awk '{print $5}'` = "100%" ]; then
52	echo FAIL
53	s=1
54	ls -al $mntpoint $mp2
55	df -i | egrep "${mntpoint}$|${mp2}$"
56fi
57
58umount $mp2
59umount $mntpoint
60
61exit $s
62