tests/qemu-iotests/025

   1 #!/bin/bash
   2 #
   3 # Resizing images
   4 #
   5 # Copyright (C) 2010 IBM, Corp.
   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=stefanha@linux.vnet.ibm.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 . ./common.pattern
  41
  42 _supported_fmt raw qcow2 qed
  43 _supported_proto file sheepdog rbd nfs
  44 _supported_os Linux
  45
  46 echo "=== Creating image"
  47 echo
  48 small_size=$((128 * 1024 * 1024))
  49 big_size=$((384 * 1024 * 1024))
  50 _make_test_img $small_size
  51
  52 echo
  53 echo "=== Writing whole image"
  54 io_pattern write 0 $small_size 0 1 0xc5
  55 _check_test_img
  56
  57 echo
  58 echo "=== Resizing image"
  59 $QEMU_IO "$TEST_IMG" <<EOF | _filter_qemu_io
  60 length
  61 truncate $big_size
  62 length
  63 EOF
  64 _check_test_img
  65
  66 echo
  67 echo "=== Verifying image size after reopen"
  68 $QEMU_IO -c "length" "$TEST_IMG"
  69
  70 echo
  71 echo "=== Verifying resized image"
  72 io_pattern read 0 $small_size 0 1 0xc5
  73 io_pattern read $small_size $(($big_size - $small_size)) 0 1 0
  74
  75 # success, all done
  76 echo "*** done"
  77 rm -f $seq.full
  78 status=0