tests/qemu-iotests/013

   1 #!/usr/bin/env 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 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31         _cleanup_test_img
  32 }
  33 trap "_cleanup; exit \$status" 0 1 2 3 15
  34
  35 # get standard environment, filters and checks
  36 . ./common.rc
  37 . ./common.filter
  38 . ./common.pattern
  39
  40 # much of this could be generic for any format supporting compression.
  41 _supported_fmt qcow qcow2
  42 _supported_proto file
  43 _supported_os Linux
  44
  45 TEST_OFFSETS="0 4294967296"
  46 TEST_OPS="writev read write readv"
  47 CLUSTER_SIZE=4096
  48
  49 _make_test_img 6G
  50
  51 echo "Testing empty image"
  52 echo
  53
  54 for offset in $TEST_OFFSETS; do
  55     echo "At offset $offset:"
  56     for op in $TEST_OPS; do
  57         io_test $op $offset $CLUSTER_SIZE 8
  58     done
  59     _check_test_img
  60 done
  61
  62
  63 echo "Compressing image"
  64 echo
  65
  66 mv "$TEST_IMG" "$TEST_IMG.orig"
  67 $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG"
  68
  69 echo "Testing compressed image"
  70 echo
  71
  72 for offset in $TEST_OFFSETS; do
  73     echo "With offset $offset:"
  74     for op in read readv; do
  75         io_test $op $offset $CLUSTER_SIZE 8
  76     done
  77     _check_test_img
  78 done
  79
  80 echo "Testing compressed image with odd offsets"
  81 echo
  82 for offset in $TEST_OFFSETS; do
  83     # Some odd offset (1 sector), so tests will write to areas occupied partly
  84     # by old (compressed) data and empty clusters
  85     offset=$((offset + 512))
  86     echo "With offset $offset:"
  87     for op in $TEST_OPS; do
  88         io_test $op $offset $CLUSTER_SIZE 8
  89     done
  90     _check_test_img
  91 done
  92
  93 # success, all done
  94 echo "*** done"
  95 rm -f $seq.full
  96 status=0