tests/qemu-iotests/013

   1 #!/bin/bash
   2 #
   3 # qcow2 pattern test, empty and compressed image - 4k cluster patterns
   4 #
   5 # Copyright (C) 2009 Red Hat, Inc.
   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=kwolf@redhat.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 # much of this could be generic for any format supporting compression.
  43 _supported_fmt qcow qcow2
  44 _supported_proto file
  45 _supported_os Linux
  46
  47 TEST_OFFSETS="0 4294967296"
  48 TEST_OPS="writev read write readv"
  49 CLUSTER_SIZE=4096
  50
  51 _make_test_img 6G
  52
  53 echo "Testing empty image"
  54 echo
  55
  56 for offset in $TEST_OFFSETS; do
  57     echo "At offset $offset:"
  58     for op in $TEST_OPS; do
  59         io_test $op $offset $CLUSTER_SIZE 8
  60     done
  61     _check_test_img
  62 done
  63
  64
  65 echo "Compressing image"
  66 echo
  67
  68 mv "$TEST_IMG" "$TEST_IMG.orig"
  69 $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG"
  70
  71 echo "Testing compressed image"
  72 echo
  73
  74 for offset in $TEST_OFFSETS; do
  75     echo "With offset $offset:"
  76     for op in read readv; do
  77         io_test $op $offset $CLUSTER_SIZE 8
  78     done
  79     _check_test_img
  80 done
  81
  82 echo "Testing compressed image with odd offsets"
  83 echo
  84 for offset in $TEST_OFFSETS; do
  85     # Some odd offset (1 sector), so tests will write to areas occupied partly
  86     # by old (compressed) data and empty clusters
  87     offset=$((offset + 512))
  88     echo "With offset $offset:"
  89     for op in $TEST_OPS; do
  90         io_test $op $offset $CLUSTER_SIZE 8
  91     done
  92     _check_test_img
  93 done
  94
  95 # success, all done
  96 echo "*** done"
  97 rm -f $seq.full
  98 status=0