tests/qemu-iotests/018

   1 #!/usr/bin/env bash
   2 # group: rw backing auto quick
   3 #
   4 # Merge backing file into test image when converting the image
   5 #
   6 # Copyright (C) 2009 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=kwolf@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32         _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39 . ./common.pattern
  40
  41 # Any format supporting backing files
  42 _supported_fmt qcow qcow2 vmdk qed
  43 _supported_proto file
  44 _supported_os Linux
  45 _unsupported_imgopts "subformat=monolithicFlat" "subformat=twoGbMaxExtentFlat" \
  46                      "streamOptimized"
  47
  48 TEST_OFFSETS="0 4294967296"
  49
  50 TEST_IMG_SAVE=$TEST_IMG
  51 TEST_IMG=$TEST_IMG.base
  52 _make_test_img 6G
  53
  54 echo "Filling base image"
  55 echo
  56
  57 for offset in $TEST_OFFSETS; do
  58     # Some clusters with alternating backing file/image file reads
  59     io writev $(( offset )) 512 1024 64
  60
  61     # Complete backing clusters
  62     io writev $(( offset  + 64 * 1024))  65536 65536 1
  63 done
  64 _check_test_img
  65
  66 echo "Creating test image with backing file"
  67 echo
  68
  69 TEST_IMG="$TEST_IMG_SAVE.orig"
  70 _make_test_img -b "$TEST_IMG_SAVE.base" -F $IMGFMT 6G
  71
  72 echo "Filling test image"
  73 echo
  74
  75 for offset in $TEST_OFFSETS; do
  76     # Some clusters with alternating backing file/image file reads
  77     io writev $(( offset + 512 )) 512 1024 64
  78
  79     # Complete test image clusters
  80     io writev $(( offset + 64 * 1024 + 65536))  65536 65536 1
  81 done
  82 _check_test_img
  83
  84 TEST_IMG="$TEST_IMG_SAVE"
  85 $QEMU_IMG convert -f $IMGFMT -O $IMGFMT "$TEST_IMG.orig" "$TEST_IMG"
  86
  87 echo "Reading"
  88 echo
  89
  90 for offset in $TEST_OFFSETS; do
  91     # Some clusters with alternating backing file/image file reads
  92     io readv $(( offset )) 512 1024 64
  93     io readv $(( offset + 512 )) 512 1024 64
  94
  95     # Complete test image clusters
  96     io readv $(( offset  + 64 * 1024))  65536 65536 1
  97     io readv $(( offset + 64 * 1024 + 65536))  65536 65536 1
  98
  99     # Empty sectors
 100     io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1
 101 done
 102 _check_test_img
 103
 104 # success, all done
 105 echo "*** done"
 106 rm -f $seq.full
 107 status=0