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      1 # $NetBSD: t_umountstress.sh,v 1.6 2025/04/19 02:07:43 rin 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 
     28 TMPMP=umount-stress_mount
     29 TMPIM=umount-stress.im
     30 
     31 VND=vnd0
     32 BVND=/dev/${VND}
     33 CVND=/dev/r${VND}
     34 MPART=a
     35 
     36 atf_test_case fileop cleanup
     37 fileop_head()
     38 {
     39 	atf_set "descr" "Checks unmounting a filesystem doing file operations"
     40 	atf_set "require.user" "root"
     41 }
     42 fileop_body()
     43 {
     44 	if [ $(uname -p) = vax ]; then
     45 		atf_skip "port-vax/59287 vnd(4) can cause kernel crash"
     46 	fi
     47 
     48 	cat >disktab <<EOF
     49 floppy288|2.88MB 3.5in Extra High Density Floppy:\
     50 	:ty=floppy:se#512:nt#2:rm#300:ns#36:nc#80:\
     51 	:pa#5760:oa#0:ba#4096:fa#512:ta=4.2BSD:\
     52 	:pb#5760:ob#0:\
     53 	:pc#5760:oc#0:
     54 EOF
     55 
     56 	echo "*** Creating a dummy directory tree at" \
     57 	     "${TMPMP} mounted on ${TMPIM}"
     58 
     59 	atf_check -o ignore -e ignore mkdir ${TMPMP}
     60 	atf_check -o ignore -e ignore dd if=/dev/zero of=${TMPIM} count=5860
     61 	atf_check -o ignore -e ignore vnconfig -v ${VND} ${TMPIM}
     62 	atf_check -o ignore -e ignore disklabel -f disktab -rw ${VND} floppy288
     63 	atf_check -o ignore -e ignore newfs -i 500 -b 8192 -f 1024 ${CVND}${MPART}
     64 	atf_check -o ignore -e ignore mount -o async ${BVND}${MPART} ${TMPMP}
     65 
     66 	echo "*** Testing fileops"
     67 
     68 	touch ${TMPMP}/hold
     69 	exec 9< ${TMPMP}/hold
     70 
     71 	(
     72 		for j in 0 1 2; do
     73 		for k in 0 1 2 3 4 5 6 7 8 9; do
     74 			if ! dd msgfmt=quiet if=/dev/zero \
     75 				count=1 of=${TMPMP}/test$i$j$k; then
     76 				echo 1 >result
     77 				exit
     78 			fi
     79 		done
     80 		done
     81 		echo 0 >result
     82 	) &
     83 	busypid=$!
     84 
     85 	while ! test -f result; do
     86 		if err=$(umount ${TMPMP} 2>&1); then
     87 			kill $busypid
     88 			exec 9<&-
     89 			wait
     90 			atf_fail "Unmount succeeded while busy"
     91 			return
     92 		fi
     93 
     94 		case $err in
     95 		*:\ Device\ busy)
     96 			;;
     97 		*)
     98 			kill $busypid
     99 			exec 9<&-
    100 			wait
    101 			atf_fail "Unmount failed: $err"
    102 			return
    103 			;;
    104 		esac
    105 	done
    106 
    107 	exec 9<&-
    108 	wait
    109 
    110 	rc=`cat result`
    111 	rm -f result
    112 
    113 	case $rc in
    114 	0) ;;
    115 	*) atf_fail "File operation failed"
    116 	esac
    117 }
    118 fileop_cleanup()
    119 {
    120 	echo "*** Cleaning up ${TMPMP}, ${TMPIM}."
    121 	umount -f "${TMPMP}"
    122 	vnconfig -u "${VND}"
    123 }
    124 
    125 atf_test_case mountlist cleanup
    126 mountlist_head()
    127 {
    128 	atf_set "descr" "Checks unmounting a filesystem using mountlist"
    129 	atf_set "require.user" "root"
    130 }
    131 mountlist_body()
    132 {
    133 	if [ $(uname -p) = vax ]; then
    134 		atf_skip "port-vax/59287 vnd(4) can cause kernel crash"
    135 	fi
    136 
    137 	cat >disktab <<EOF
    138 floppy288|2.88MB 3.5in Extra High Density Floppy:\
    139 	:ty=floppy:se#512:nt#2:rm#300:ns#36:nc#80:\
    140 	:pa#5760:oa#0:ba#4096:fa#512:ta=4.2BSD:\
    141 	:pb#5760:ob#0:\
    142 	:pc#5760:oc#0:
    143 EOF
    144 
    145 	echo "*** Creating a dummy directory tree at" \
    146 	     "${TMPMP} mounted on ${TMPIM}"
    147 
    148 	atf_check -o ignore -e ignore mkdir ${TMPMP}
    149 	atf_check -o ignore -e ignore dd if=/dev/zero of=${TMPIM} count=5860
    150 	atf_check -o ignore -e ignore vnconfig -v ${VND} ${TMPIM}
    151 	atf_check -o ignore -e ignore disklabel -f disktab -rw ${VND} floppy288
    152 	atf_check -o ignore -e ignore newfs -i 500 -b 8192 -f 1024 ${CVND}${MPART}
    153 	atf_check -o ignore -e ignore mount -o async ${BVND}${MPART} ${TMPMP}
    154 
    155 	echo "*** Testing mountlist"
    156 
    157 	(
    158 		for j in 0 1 2 3 4 5 6 7 8 9; do
    159 		for k in 0 1 2 3 4 5 6 7 8 9; do
    160 			if ! out=$(mount); then
    161 				echo 1 >result
    162 				exit
    163 			fi
    164 		done
    165 		done
    166 		echo 0 >result
    167 	) &
    168 	busypid=$!
    169 
    170 	while ! test -f result; do
    171 		if err=$(umount ${TMPMP} 2>&1); then
    172 			if ! mount -o async ${BVND}${MPART} ${TMPMP}; then
    173 				kill $busypid
    174 				exec 9<&-
    175 				wait
    176 				atf_fail "Remount failed"
    177 				return
    178 			fi
    179 			continue
    180 		fi
    181 
    182 		case $err in
    183 		*:\ Device\ busy)
    184 			;;
    185 		*)
    186 			kill $busypid
    187 			exec 9<&-
    188 			wait
    189 			atf_fail "Unmount failed: $err"
    190 			return
    191 			;;
    192 		esac
    193 	done
    194 
    195 	exec 9<&-
    196 	wait
    197 
    198 	rc=`cat result`
    199 	rm -f result
    200 
    201 	case $rc in
    202 	0) ;;
    203 	*) atf_fail "Mountlist operation failed"
    204 	esac
    205 }
    206 mountlist_cleanup()
    207 {
    208 	echo "*** Cleaning up ${TMPMP}, ${TMPIM}."
    209 	umount -f "${TMPMP}"
    210 	vnconfig -u "${VND}"
    211 }
    212 
    213 atf_init_test_cases()
    214 {
    215 	atf_add_test_case fileop
    216 	atf_add_test_case mountlist
    217 }
    218