tests/qemu-iotests/011

   1 #!/usr/bin/env bash
   2 # group: rw auto quick
   3 #
   4 # Test for AIO allocation on the same cluster
   5 #
   6 # Copyright (C) 2009 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=kwolf@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32         _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt generic
  41 _supported_proto generic
  42 _unsupported_imgopts "subformat=streamOptimized"
  43
  44
  45 size=6G
  46
  47 echo
  48 echo "creating image"
  49 _make_test_img $size
  50
  51
  52 echo
  53 echo "overlapping I/O"
  54 for ((i=1;i<=10;i++)); do
  55     let mb=1024*1024
  56     let off1=$i*$mb
  57     let off2=$off1+512
  58
  59     # Note that we filter away the actual offset.  That's because qemu
  60     # may re-order the two aio requests.  We only want to make sure the
  61     # filesystem isn't corrupted afterwards anyway.
  62     $QEMU_IO -c "aio_write $off1 1M" -c "aio_write $off2 1M" "$TEST_IMG" | \
  63         _filter_qemu_io | \
  64         sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'
  65 done
  66
  67 echo
  68 echo "checking image for errors"
  69 _check_test_img
  70
  71 # success, all done
  72 echo "*** done"
  73 rm -f $seq.full
  74 status=0