1# $NetBSD: t_umountstress.sh,v 1.5 2013/05/31 14:40:48 gson Exp $
2#
3# Copyright (c) 2013 The NetBSD Foundation, Inc.
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25# POSSIBILITY OF SUCH DAMAGE.
26#
27
28TMPMP=umount-stress_mount
29TMPIM=umount-stress.im
30
31VND=vnd0
32BVND=/dev/${VND}
33CVND=/dev/r${VND}
34MPART=a
35
36atf_test_case fileop cleanup
37fileop_head()
38{
39	atf_set "descr" "Checks unmounting a filesystem doing file operations"
40	atf_set "require.user" "root"
41}
42fileop_body()
43{
44	cat >disktab <<EOF
45floppy288|2.88MB 3.5in Extra High Density Floppy:\
46	:ty=floppy:se#512:nt#2:rm#300:ns#36:nc#80:\
47	:pa#5760:oa#0:ba#4096:fa#512:ta=4.2BSD:\
48	:pb#5760:ob#0:\
49	:pc#5760:oc#0:
50EOF
51
52	echo "*** Creating a dummy directory tree at" \
53	     "${TMPMP} mounted on ${TMPIM}"
54
55	atf_check -o ignore -e ignore mkdir ${TMPMP}
56	atf_check -o ignore -e ignore dd if=/dev/zero of=${TMPIM} count=5860
57	atf_check -o ignore -e ignore vnconfig -v ${VND} ${TMPIM}
58	atf_check -o ignore -e ignore disklabel -f disktab -rw ${VND} floppy288
59	atf_check -o ignore -e ignore newfs -i 500 -b 8192 -f 1024 ${CVND}${MPART}
60	atf_check -o ignore -e ignore mount -o async ${BVND}${MPART} ${TMPMP}
61
62	echo "*** Testing fileops"
63
64	touch ${TMPMP}/hold
65	exec 9< ${TMPMP}/hold
66
67	(
68		for j in 0 1 2; do
69		for k in 0 1 2 3 4 5 6 7 8 9; do
70			if ! dd msgfmt=quiet if=/dev/zero \
71				count=1 of=${TMPMP}/test$i$j$k; then
72				echo 1 >result
73				exit
74			fi
75		done
76		done
77		echo 0 >result
78	) &
79	busypid=$!
80
81	while ! test -f result; do
82		if err=$(umount ${TMPMP} 2>&1); then
83			kill $busypid
84			exec 9<&-
85			wait
86			atf_fail "Unmount succeeded while busy"
87			return
88		fi
89
90		case $err in
91		*:\ Device\ busy)
92			;;
93		*)
94			kill $busypid
95			exec 9<&-
96			wait
97			atf_fail "Unmount failed: $err"
98			return
99			;;
100		esac
101	done
102
103	exec 9<&-
104	wait
105
106	rc=`cat result`
107	rm -f result
108
109	case $rc in
110	0) ;;
111	*) atf_fail "File operation failed"
112	esac
113}
114fileop_cleanup()
115{
116	echo "*** Cleaning up ${TMPMP}, ${TMPIM}."
117	umount -f "${TMPMP}"
118	vnconfig -u "${VND}"
119}
120
121atf_test_case mountlist cleanup
122mountlist_head()
123{
124	atf_set "descr" "Checks unmounting a filesystem using mountlist"
125	atf_set "require.user" "root"
126}
127mountlist_body()
128{
129	cat >disktab <<EOF
130floppy288|2.88MB 3.5in Extra High Density Floppy:\
131	:ty=floppy:se#512:nt#2:rm#300:ns#36:nc#80:\
132	:pa#5760:oa#0:ba#4096:fa#512:ta=4.2BSD:\
133	:pb#5760:ob#0:\
134	:pc#5760:oc#0:
135EOF
136
137	echo "*** Creating a dummy directory tree at" \
138	     "${TMPMP} mounted on ${TMPIM}"
139
140	atf_check -o ignore -e ignore mkdir ${TMPMP}
141	atf_check -o ignore -e ignore dd if=/dev/zero of=${TMPIM} count=5860
142	atf_check -o ignore -e ignore vnconfig -v ${VND} ${TMPIM}
143	atf_check -o ignore -e ignore disklabel -f disktab -rw ${VND} floppy288
144	atf_check -o ignore -e ignore newfs -i 500 -b 8192 -f 1024 ${CVND}${MPART}
145	atf_check -o ignore -e ignore mount -o async ${BVND}${MPART} ${TMPMP}
146
147	echo "*** Testing mountlist"
148
149	(
150		for j in 0 1 2 3 4 5 6 7 8 9; do
151		for k in 0 1 2 3 4 5 6 7 8 9; do
152			if ! out=$(mount); then
153				echo 1 >result
154				exit
155			fi
156		done
157		done
158		echo 0 >result
159	) &
160	busypid=$!
161
162	while ! test -f result; do
163		if err=$(umount ${TMPMP} 2>&1); then
164			if ! mount -o async ${BVND}${MPART} ${TMPMP}; then
165				kill $busypid
166				exec 9<&-
167				wait
168				atf_fail "Remount failed"
169				return
170			fi
171			continue
172		fi
173
174		case $err in
175		*:\ Device\ busy)
176			;;
177		*)
178			kill $busypid
179			exec 9<&-
180			wait
181			atf_fail "Unmount failed: $err"
182			return
183			;;
184		esac
185	done
186
187	exec 9<&-
188	wait
189
190	rc=`cat result`
191	rm -f result
192
193	case $rc in
194	0) ;;
195	*) atf_fail "Mountlist operation failed"
196	esac
197}
198mountlist_cleanup()
199{
200	echo "*** Cleaning up ${TMPMP}, ${TMPIM}."
201	umount -f "${TMPMP}"
202	vnconfig -u "${VND}"
203}
204
205atf_init_test_cases()
206{
207	atf_add_test_case fileop
208	atf_add_test_case mountlist
209}
210