tests/qemu-iotests/011

   1 #!/usr/bin/env bash
   2 #
   3 # Test for AIO allocation on the same cluster
   4 #
   5 # Copyright (C) 2009 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=kwolf@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31         _cleanup_test_img
  32 }
  33 trap "_cleanup; exit \$status" 0 1 2 3 15
  34
  35 # get standard environment, filters and checks
  36 . ./common.rc
  37 . ./common.filter
  38
  39 _supported_fmt generic
  40 _supported_proto generic
  41 _unsupported_imgopts "subformat=streamOptimized"
  42
  43
  44 size=6G
  45
  46 echo
  47 echo "creating image"
  48 _make_test_img $size
  49
  50
  51 echo
  52 echo "overlapping I/O"
  53 for ((i=1;i<=10;i++)); do
  54     let mb=1024*1024
  55     let off1=$i*$mb
  56     let off2=$off1+512
  57
  58     # Note that we filter away the actual offset.  That's because qemu
  59     # may re-order the two aio requests.  We only want to make sure the
  60     # filesystem isn't corrupted afterwards anyway.
  61     $QEMU_IO -c "aio_write $off1 1M" -c "aio_write $off2 1M" "$TEST_IMG" | \
  62         _filter_qemu_io | \
  63         sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'
  64 done
  65
  66 echo
  67 echo "checking image for errors"
  68 _check_test_img
  69
  70 # success, all done
  71 echo "*** done"
  72 rm -f $seq.full
  73 status=0