xref: /freebsd/tools/test/stress2/misc/nullfs18.sh (revision cab6a39d7b343596a5823e65c0f7b426551ec22d)
1#!/bin/sh
2
3#
4# Copyright (c) 2016 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# Demonstate nullfs(5) inode leak.
32# Fixed by r295717.
33
34. ../default.cfg
35
36N=3
37
38mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
39mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
40
41mdconfig -a -t swap -s 2g -u $mdstart || exit 1
42bsdlabel -w md$mdstart auto
43
44newfs -n md${mdstart}$part > /dev/null
45
46mount /dev/md${mdstart}$part $mntpoint
47chmod 777 $mntpoint
48set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'`
49export KBLOCKS=$(($1 / N))
50export INODES=$(($2 / N))
51
52export runRUNTIME=2m
53export LOAD=80
54export symlinkLOAD=80
55export rwLOAD=80
56export TESTPROGS="
57testcases/rw/rw
58testcases/creat/creat
59testcases/mkdir/mkdir
60"
61
62for i in `jot $N 1`; do
63	eval mp$i=${mntpoint}$i
64done
65
66for i in `jot $N 1`; do
67	eval mp=\$mp$i
68	[ -d $mp ] || mkdir -p $mp
69	mount | grep $mp | grep -q nullfs && umount -f $mp
70	msrc=$mntpoint/d$i
71	mkdir -p $msrc
72	chmod 777 $msrc
73	mount -t nullfs $msrc $mp
74	chmod 777 $mp
75	export RUNDIR=$mp/stressX
76	export CTRLDIR=$mp/stressX.control
77	mkdir $RUNDIR $CTRLDIR
78	chmod 777 $RUNDIR $CTRLDIR
79	su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > \
80	    /dev/null 2>&1 &
81	mps="$mps $mp"
82done
83
84(cd ../testcases/swap; ./swap -t 10m -i 20 > /dev/null 2>&1) &
85sleep 1
86while pgrep -q run; do
87	find $mps -ls > /dev/null 2>&1
88done
89while pgrep -q swap; do
90	pkill -9 swap
91done
92wait
93
94(cd $mntpoint; find . -delete)
95sync; sleep 1; sync; sleep 1; sync
96inodes=`df -i $mntpoint | tail -1 | awk '{print $6}'`
97if [ $inodes -ne 4 ]; then
98	echo "FAIL 1"
99	e=1
100	mount | sed -n "1p;/${mntpoint#/}/p"
101	echo
102	df -ik | sed -n "1p;/${mntpoint#/}/p"
103	printf "\nfind ${mntpoint}* -ls\n"
104	find ${mntpoint}* -ls
105
106	for i in `jot $N 1`; do
107		eval mp=\$mp$i
108		echo "umount $mp"
109		mount | grep $mp | grep -q nullfs && umount $mp
110	done
111
112	echo
113	df -ik | sed -n "1p;/${mntpoint#/}/p"
114else
115	for i in `jot $N 1`; do
116		eval mp=\$mp$i
117		mount | grep $mp | grep -q nullfs && umount $mp
118	done
119	inodes=`df -i $mntpoint | tail -1 | awk '{print $6}'`
120	if [ $inodes -ne 1 ]; then
121		echo "FAIL 2"
122		e=2
123		mount | sed -n "1p;/${mntpoint#/}/p"
124		echo
125		df -ik | sed -n "1p;/${mntpoint#/}/p"
126	fi
127fi
128
129while mount | grep $mntpoint | grep -q /dev/md; do
130	umount $mntpoint || sleep 1
131done
132mdconfig -d -u $mdstart
133exit $e
134