tests/kernel/t_umountstress.sh

   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
  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 }