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 echo
  59 echo "== Sequential requests =="
  60 _make_test_img $size
  61 $QEMU_IO -c "multiwrite 0 4k ; 4k 4k" "$TEST_IMG" | _filter_qemu_io
  62
  63 echo
  64 echo "== verify pattern =="
  65 $QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
  66 $QEMU_IO -c "read -P 0xce 4k 4k" "$TEST_IMG" | _filter_qemu_io
  67 $QEMU_IO -c "read -P 0 8k 4k" "$TEST_IMG" | _filter_qemu_io
  68
  69 echo
  70 echo "== Superset overlapping requests =="
  71 _make_test_img $size
  72 $QEMU_IO -c "multiwrite 0 4k ; 1k 2k" "$TEST_IMG" | _filter_qemu_io
  73
  74 echo
  75 echo "== verify pattern =="
  76 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
  77 # [1k, 3k) since it could have either pattern 0xcd or 0xce.
  78 $QEMU_IO -c "read -P 0xcd 0 1k" "$TEST_IMG" | _filter_qemu_io
  79 $QEMU_IO -c "read -P 0xcd 3k 1k" "$TEST_IMG" | _filter_qemu_io
  80 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
  81
  82 echo
  83 echo "== Subset overlapping requests =="
  84 _make_test_img $size
  85 $QEMU_IO -c "multiwrite 1k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
  86
  87 echo
  88 echo "== verify pattern =="
  89 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
  90 # [1k, 3k) since it could have either pattern 0xcd or 0xce.
  91 $QEMU_IO -c "read -P 0xce 0 1k" "$TEST_IMG" | _filter_qemu_io
  92 $QEMU_IO -c "read -P 0xce 3k 1k" "$TEST_IMG" | _filter_qemu_io
  93 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
  94
  95 echo
  96 echo "== Head overlapping requests =="
  97 _make_test_img $size
  98 $QEMU_IO -c "multiwrite 0k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
  99
 100 echo
 101 echo "== verify pattern =="
 102 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
 103 # [0k, 2k) since it could have either pattern 0xcd or 0xce.
 104 $QEMU_IO -c "read -P 0xce 2k 2k" "$TEST_IMG" | _filter_qemu_io
 105 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
 106
 107 echo
 108 echo "== Tail overlapping requests =="
 109 _make_test_img $size
 110 $QEMU_IO -c "multiwrite 2k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
 111
 112 echo
 113 echo "== verify pattern =="
 114 # Order of overlapping in-flight requests is not guaranteed so we cannot verify
 115 # [2k, 4k) since it could have either pattern 0xcd or 0xce.
 116 $QEMU_IO -c "read -P 0xce 0k 2k" "$TEST_IMG" | _filter_qemu_io
 117 $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
 118
 119 echo
 120 echo "== Disjoint requests =="
 121 _make_test_img $size
 122 $QEMU_IO -c "multiwrite 0 4k ; 64k 4k" "$TEST_IMG" | _filter_qemu_io
 123
 124 echo
 125 echo "== verify pattern =="
 126 $QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
 127 $QEMU_IO -c "read -P 0 4k 60k" "$TEST_IMG" | _filter_qemu_io
 128 $QEMU_IO -c "read -P 0xce 64k 4k" "$TEST_IMG" | _filter_qemu_io
 129 $QEMU_IO -c "read -P 0 68k 4k" "$TEST_IMG" | _filter_qemu_io
 130
 131 # success, all done
 132 echo "*** done"
 133 rm -f $seq.full
 134 status=0