014

   1 #!/bin/sh
   2 #
   3 # qcow2 pattern test, complex patterns including compression and snapshots
   4 # Using patterns for 4k cluster size.
   5 #
   6 #
   7 # Copyright (C) 2009 Red Hat, Inc.
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 2 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  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 . ./common.pattern
  43
  44 # much of this could be generic for any format supporting snapshots
  45 _supported_fmt qcow2
  46 _supported_os Linux
  47
  48 TEST_OFFSETS="0 4294967296"
  49 TEST_OPS="writev read write readv"
  50 CLUSTER_SIZE=4096
  51
  52 _make_test_img 6G
  53
  54 echo "Testing empty image:"
  55 for offset in $TEST_OFFSETS; do
  56     echo test2: With offset $offset
  57     io_test2 $offset $CLUSTER_SIZE 256
  58     _check_test_img
  59 done
  60
  61 # With snapshots
  62 for i in `seq 1 3`; do
  63     $QEMU_IMG snapshot -c test$i $TEST_IMG
  64     for offset in $TEST_OFFSETS; do
  65         echo With snapshot test$i, offset $offset
  66         for op in $TEST_OPS; do
  67             io_test $op $offset $CLUSTER_SIZE 8
  68         done
  69         _check_test_img
  70     done
  71 done
  72
  73 # success, all done
  74 echo "*** done"
  75 rm -f $seq.full
  76 status=0