tests/qemu-iotests/090

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