tests/qemu-iotests/032

   1 #!/usr/bin/env bash
   2 # group: rw auto quick
   3 #
   4 # Test that AIO requests are drained before an image is closed. This used
   5 # to segfault because the request coroutine kept running even after the
   6 # BlockDriverState was freed.
   7 #
   8 # Copyright (C) 2011 Red Hat, Inc.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 #
  23
  24 # creator
  25 owner=kwolf@redhat.com
  26
  27 seq=`basename $0`
  28 echo "QA output created by $seq"
  29
  30 status=1        # failure is the default!
  31
  32 _cleanup()
  33 {
  34         _cleanup_test_img
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and checks
  39 . ./common.rc
  40 . ./common.filter
  41 . ./common.pattern
  42
  43 # This works for any image format (though unlikely to segfault for raw)
  44 _supported_fmt generic
  45 _supported_proto generic
  46 _unsupported_imgopts "subformat=streamOptimized"
  47
  48 echo
  49 echo === Prepare image ===
  50 echo
  51
  52 CLUSTER_SIZE=65536
  53 _make_test_img 64M
  54
  55 # Allocate every other cluster so that afterwards a big write request will
  56 # actually loop a while and issue many I/O requests for the lower layer
  57 for ((i=0;i<=4096;i+=128)); do echo "write ${i}k 64k"; done | $QEMU_IO "$TEST_IMG" | _filter_qemu_io
  58
  59 echo
  60 echo === AIO request during close ===
  61 echo
  62 $QEMU_IO -c "aio_write 0 4M" -c "close" "$TEST_IMG" | _filter_qemu_io
  63 _check_test_img
  64
  65 # success, all done
  66 echo "*** done"
  67 rm -f $seq.full
  68 status=0