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t_umountstress.sh revision 1.5.8.2
      1 # $NetBSD: t_umountstress.sh,v 1.5.8.2 2014/05/22 11:42:19 yamt 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 	cat >disktab <<EOF
     45 floppy288|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:
     50 EOF
     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 }
    114 fileop_cleanup()
    115 {
    116 	echo "*** Cleaning up ${TMPMP}, ${TMPIM}."
    117 	umount -f "${TMPMP}"
    118 	vnconfig -u "${VND}"
    119 }
    120 
    121 atf_test_case mountlist cleanup
    122 mountlist_head()
    123 {
    124 	atf_set "descr" "Checks unmounting a filesystem using mountlist"
    125 	atf_set "require.user" "root"
    126 }
    127 mountlist_body()
    128 {
    129 	cat >disktab <<EOF
    130 floppy288|2.88MB 3.5in Extra High Density Floppy:\
    131 	:ty=floppy:se#512:nt#2:rm#300:ns#36:nc#80:\
    132 	:pa#5760:oa#0:ba#4096:fa#512:ta=4.2BSD:\
    133 	:pb#5760:ob#0:\
    134 	:pc#5760:oc#0:
    135 EOF
    136 
    137 	echo "*** Creating a dummy directory tree at" \
    138 	     "${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 }
    198 mountlist_cleanup()
    199 {
    200 	echo "*** Cleaning up ${TMPMP}, ${TMPIM}."
    201 	umount -f "${TMPMP}"
    202 	vnconfig -u "${VND}"
    203 }
    204 
    205 atf_init_test_cases()
    206 {
    207 	atf_add_test_case fileop
    208 	atf_add_test_case mountlist
    209 }
    210