011

   1 #!/bin/sh
   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 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_os Linux
  43
  44
  45 size=6G
  46
  47 echo
  48 echo "creating image"
  49 _make_test_img $size
  50
  51
  52 echo
  53 echo "overlapping I/O"
  54 for i in `seq 1 10`; do
  55     let mb=1024*1024
  56     let off1=$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 $TEST_IMG -c "aio_write $off1 1M" -c "aio_write $off2 1M" | \
  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