root / tests / qemu-iotests / 018 @ b3ce604e
History | View | Annotate | Download (2.5 kB)
1 |
#!/bin/bash |
---|---|
2 |
# |
3 |
# Merge backing file into test image when converting the 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, 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 |
# Any format supporting backing files |
43 |
_supported_fmt qcow qcow2 vmdk qed |
44 |
_supported_proto generic |
45 |
_supported_os Linux |
46 |
|
47 |
TEST_OFFSETS="0 4294967296" |
48 |
|
49 |
_make_test_img 6G |
50 |
|
51 |
echo "Filling base image" |
52 |
echo |
53 |
|
54 |
for offset in $TEST_OFFSETS; do |
55 |
# Some clusters with alternating backing file/image file reads |
56 |
io writev $(( offset )) 512 1024 64 |
57 |
|
58 |
# Complete backing clusters |
59 |
io writev $(( offset + 64 * 1024)) 65536 65536 1 |
60 |
done |
61 |
_check_test_img |
62 |
|
63 |
echo "Creating test image with backing file" |
64 |
echo |
65 |
|
66 |
mv $TEST_IMG $TEST_IMG.base |
67 |
_make_test_img -b $TEST_IMG.base 6G |
68 |
|
69 |
echo "Filling test image" |
70 |
echo |
71 |
|
72 |
for offset in $TEST_OFFSETS; do |
73 |
# Some clusters with alternating backing file/image file reads |
74 |
io writev $(( offset + 512 )) 512 1024 64 |
75 |
|
76 |
# Complete test image clusters |
77 |
io writev $(( offset + 64 * 1024 + 65536)) 65536 65536 1 |
78 |
done |
79 |
_check_test_img |
80 |
|
81 |
mv $TEST_IMG $TEST_IMG.orig |
82 |
$QEMU_IMG convert -O $IMGFMT $TEST_IMG.orig $TEST_IMG |
83 |
|
84 |
echo "Reading" |
85 |
echo |
86 |
|
87 |
for offset in $TEST_OFFSETS; do |
88 |
# Some clusters with alternating backing file/image file reads |
89 |
io readv $(( offset )) 512 1024 64 |
90 |
io readv $(( offset + 512 )) 512 1024 64 |
91 |
|
92 |
# Complete test image clusters |
93 |
io readv $(( offset + 64 * 1024)) 65536 65536 1 |
94 |
io readv $(( offset + 64 * 1024 + 65536)) 65536 65536 1 |
95 |
|
96 |
# Empty sectors |
97 |
io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1 |
98 |
done |
99 |
_check_test_img |
100 |
|
101 |
# success, all done |
102 |
echo "*** done" |
103 |
rm -f $seq.full |
104 |
status=0 |