tests/qemu-iotests/014

   1 #!/usr/bin/env bash
   2 # group: rw
   3 #
   4 # qcow2 pattern test, complex patterns including compression and snapshots
   5 # Using patterns for 4k cluster size.
   6 #
   7 #
   8 # Copyright (C) 2009 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 # much of this could be generic for any format supporting snapshots
  44 _supported_fmt qcow2
  45 _supported_proto file
  46 _supported_os Linux
  47 # Compression and snapshots do not work with external data files
  48 _unsupported_imgopts data_file
  49
  50 TEST_OFFSETS="0 4294967296"
  51 TEST_OPS="writev read write readv"
  52 CLUSTER_SIZE=4096
  53
  54 _make_test_img 6G
  55
  56 echo "Testing empty image:"
  57 for offset in $TEST_OFFSETS; do
  58     echo test2: With offset $offset
  59     io_test2 $offset $CLUSTER_SIZE 256
  60     _check_test_img
  61 done
  62
  63 # With snapshots
  64 for i in `seq 1 3`; do
  65     $QEMU_IMG snapshot -c test$i "$TEST_IMG"
  66     for offset in $TEST_OFFSETS; do
  67         echo With snapshot test$i, offset $offset
  68         for op in $TEST_OPS; do
  69             io_test $op $offset $CLUSTER_SIZE 8
  70         done
  71         _check_test_img
  72     done
  73 done
  74
  75 # success, all done
  76 echo "*** done"
  77 rm -f $seq.full
  78 status=0