tests/qemu-iotests/100

   1 #!/bin/bash
   2 #
   3 # Test simple read/write using plain bdrv_read/bdrv_write
   4 #
   5 # Copyright (C) 2014 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=stefanha@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 here=`pwd`
  28 tmp=/tmp/$$
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33         _cleanup_test_img
  34 }
  35 trap "_cleanup; exit \$status" 0 1 2 3 15
  36
  37 # get standard environment, filters and checks
  38 . ./common.rc
  39 . ./common.filter
  40
  41 _supported_fmt generic
  42 _supported_proto generic
  43 _supported_os Linux
  44
  45
  46 size=128M
  47
  48 echo
  49 echo "== Single request =="
  50 _make_test_img $size
  51 $QEMU_IO -c "multiwrite 0 4k" "$TEST_IMG" | _filter_qemu_io
  52
  53 echo
  54 echo "== verify pattern =="
  55 $QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
  56 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
  57
  58 _cleanup_test_img
  59
  60 echo
  61 echo "== Sequential requests =="
  62 _make_test_img $size
  63 $QEMU_IO -c "multiwrite 0 4k ; 4k 4k" "$TEST_IMG" | _filter_qemu_io
  64
  65 echo
  66 echo "== verify pattern =="
  67 $QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
  68 $QEMU_IO -c "read -P 0xce 4k 4k" "$TEST_IMG" | _filter_qemu_io
  69 $QEMU_IO -c "read -P 0 8k 4k" "$TEST_IMG" | _filter_qemu_io
  70
  71 _cleanup_test_img
  72
  73 echo
  74 echo "== Superset overlapping requests =="
  75 _make_test_img $size
  76 $QEMU_IO -c "multiwrite 0 4k ; 1k 2k" "$TEST_IMG" | _filter_qemu_io
  77
  78 echo
  79 echo "== verify pattern =="
  80 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
  81 # [1k, 3k) since it could have either pattern 0xcd or 0xce.
  82 $QEMU_IO -c "read -P 0xcd 0 1k" "$TEST_IMG" | _filter_qemu_io
  83 $QEMU_IO -c "read -P 0xcd 3k 1k" "$TEST_IMG" | _filter_qemu_io
  84 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
  85
  86 _cleanup_test_img
  87
  88 echo
  89 echo "== Subset overlapping requests =="
  90 _make_test_img $size
  91 $QEMU_IO -c "multiwrite 1k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
  92
  93 echo
  94 echo "== verify pattern =="
  95 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
  96 # [1k, 3k) since it could have either pattern 0xcd or 0xce.
  97 $QEMU_IO -c "read -P 0xce 0 1k" "$TEST_IMG" | _filter_qemu_io
  98 $QEMU_IO -c "read -P 0xce 3k 1k" "$TEST_IMG" | _filter_qemu_io
  99 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
 100
 101 _cleanup_test_img
 102
 103 echo
 104 echo "== Head overlapping requests =="
 105 _make_test_img $size
 106 $QEMU_IO -c "multiwrite 0k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
 107
 108 echo
 109 echo "== verify pattern =="
 110 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
 111 # [0k, 2k) since it could have either pattern 0xcd or 0xce.
 112 $QEMU_IO -c "read -P 0xce 2k 2k" "$TEST_IMG" | _filter_qemu_io
 113 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
 114
 115 _cleanup_test_img
 116
 117 echo
 118 echo "== Tail overlapping requests =="
 119 _make_test_img $size
 120 $QEMU_IO -c "multiwrite 2k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
 121
 122 echo
 123 echo "== verify pattern =="
 124 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
 125 # [2k, 4k) since it could have either pattern 0xcd or 0xce.
 126 $QEMU_IO -c "read -P 0xce 0k 2k" "$TEST_IMG" | _filter_qemu_io
 127 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
 128
 129 _cleanup_test_img
 130
 131 echo
 132 echo "== Disjoint requests =="
 133 _make_test_img $size
 134 $QEMU_IO -c "multiwrite 0 4k ; 64k 4k" "$TEST_IMG" | _filter_qemu_io
 135
 136 echo
 137 echo "== verify pattern =="
 138 $QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
 139 $QEMU_IO -c "read -P 0 4k 60k" "$TEST_IMG" | _filter_qemu_io
 140 $QEMU_IO -c "read -P 0xce 64k 4k" "$TEST_IMG" | _filter_qemu_io
 141 $QEMU_IO -c "read -P 0 68k 4k" "$TEST_IMG" | _filter_qemu_io
 142
 143 # success, all done
 144 echo "*** done"
 145 rm -f $seq.full
 146 status=0