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, write to the Free Software
  19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  20 # USA
  21 #
  22
  23 # creator
  24 owner=kwolf@redhat.com
  25
  26 seq=`basename $0`
  27 echo "QA output created by $seq"
  28
  29 here=`pwd`
  30 tmp=/tmp/$$
  31 status=1        # failure is the default!
  32
  33 _cleanup()
  34 {
  35         _cleanup_test_img
  36 }
  37 trap "_cleanup; exit \$status" 0 1 2 3 15
  38
  39 # get standard environment, filters and checks
  40 . ./common.rc
  41 . ./common.filter
  42
  43 _supported_fmt qcow2
  44 _supported_os Linux
  45
  46
  47 size=6G
  48
  49 echo
  50 echo "creating image"
  51 _make_test_img $size
  52
  53
  54 echo
  55 echo "overlapping I/O"
  56 for i in `seq 1 10`; do
  57     let mb=1024*1024
  58     let off1=$i*$mb
  59     let off2=$off1+512
  60
  61     # Note that we filter away the actual offset.  That's because qemu
  62     # may re-order the two aio requests.  We only want to make sure the
  63     # filesystem isn't corrupted afterwards anyway.
  64     $QEMU_IO $TEST_IMG -c "aio_write $off1 1M" -c "aio_write $off2 1M" | \
  65         _filter_qemu_io | \
  66         sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'
  67 done
  68
  69 echo
  70 echo "checking image for errors"
  71 _check_test_img
  72
  73 # success, all done
  74 echo "*** done"
  75 rm -f $seq.full
  76 status=0