tests/qemu-iotests/014

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