migration: introduce icount field for snapshots
[qemu/ar7.git] / tests / qemu-iotests / 017
blob3413e34f27d5b0c7d35aa3a9f45449a9b71c36bf
1 #!/usr/bin/env bash
3 # Simple backing file reads
5 # Copyright (C) 2009 Red Hat, Inc.
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.
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.
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/>.
21 # creator
22 owner=kwolf@redhat.com
24 seq=`basename $0`
25 echo "QA output created by $seq"
27 status=1 # failure is the default!
29 _cleanup()
31 _cleanup_test_img
33 trap "_cleanup; exit \$status" 0 1 2 3 15
35 # get standard environment, filters and checks
36 . ./common.rc
37 . ./common.filter
38 . ./common.pattern
40 # Any format supporting backing files
41 _supported_fmt qcow qcow2 vmdk qed
42 _supported_proto generic
43 _unsupported_imgopts "subformat=monolithicFlat" "subformat=twoGbMaxExtentFlat" \
44 "subformat=streamOptimized"
46 TEST_OFFSETS="0 4294967296"
48 TEST_IMG_SAVE=$TEST_IMG
49 TEST_IMG=$TEST_IMG.base
50 _make_test_img 6G
52 echo "Filling base image"
53 echo
55 for offset in $TEST_OFFSETS; do
56 # Some clusters with alternating backing file/image file reads
57 io writev $(( offset )) 512 1024 64
59 # Complete backing clusters
60 io writev $(( offset + 64 * 1024)) 65536 65536 1
61 done
62 _check_test_img
64 echo "Creating test image with backing file"
65 echo
67 TEST_IMG=$TEST_IMG_SAVE
68 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 6G
70 echo "Filling test image"
71 echo
73 for offset in $TEST_OFFSETS; do
74 # Some clusters with alternating backing file/image file reads
75 io writev $(( offset + 512 )) 512 1024 64
77 # Complete test image clusters
78 io writev $(( offset + 64 * 1024 + 65536)) 65536 65536 1
79 done
80 _check_test_img
82 echo "Reading"
83 echo
85 for offset in $TEST_OFFSETS; do
86 # Some clusters with alternating backing file/image file reads
87 io readv $(( offset )) 512 1024 64
88 io readv $(( offset + 512 )) 512 1024 64
90 # Complete test image clusters
91 io readv $(( offset + 64 * 1024)) 65536 65536 1
92 io readv $(( offset + 64 * 1024 + 65536)) 65536 65536 1
94 # Empty sectors
95 io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1
96 done
97 _check_test_img
99 # success, all done
100 echo "*** done"
101 rm -f $seq.full
102 status=0