tests/qemu-iotests/090

   1 #!/usr/bin/env bash
   2 #
   3 # Test for discarding compressed clusters on qcow2 images
   4 #
   5 # Copyright (C) 2014 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=mreitz@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 qcow2
  40 _supported_proto file nfs
  41 # External data files do not support compressed clusters
  42 _unsupported_imgopts data_file
  43
  44 IMG_SIZE=128K
  45
  46 _make_test_img $IMG_SIZE
  47
  48 $QEMU_IO -c 'write -c -P 42 0 64k' \
  49          -c 'write -c -P 23 64k 64k' \
  50          -c 'discard 64k 64k' \
  51          "$TEST_IMG" | _filter_qemu_io
  52
  53 $QEMU_IO -c 'read -P 0 64k 64k' "$TEST_IMG" | _filter_qemu_io
  54
  55 _check_test_img
  56
  57 # success, all done
  58 echo "*** done"
  59 rm -f $seq.full
  60 status=0