013

   1 #!/bin/sh
   2 #
   3 # qcow2 pattern test, empty and compressed image
   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, write to the Free Software
  19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  20 # USA
  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 compression.
  45 _supported_fmt qcow qcow2
  46 _supported_os Linux
  47
  48 TEST_OFFSETS="0 4294967296"
  49 TEST_OPS="writev read write readv"
  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
  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
  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
  91     done
  92     _check_test_img
  93 done
  94
  95 # success, all done
  96 echo "*** done"
  97 rm -f $seq.full
  98 status=0