3 # Test qcow2 preallocation
5 # Copyright (C) 2019 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/>.
22 owner
=kwolf@redhat.com
25 echo "QA output created by $seq"
27 status
=1 # failure is the default!
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
44 for mode
in off metadata falloc full
; do
47 echo "=== preallocation=$mode ==="
50 IMGOPTS
="preallocation=$mode" _make_test_img
64M
53 du
-b $TEST_IMG | cut
-f1
55 # Can't use precise numbers here because they differ between filesystems
57 [ $
(du
-B1 $TEST_IMG | cut
-f1) -lt 1048576 ] && echo "low" ||
echo "high"
61 for mode
in off metadata falloc full
; do
64 echo "=== External data file: preallocation=$mode ==="
67 IMGOPTS
="data_file=$TEST_IMG.data,preallocation=$mode" _make_test_img
64M
69 echo -n "qcow2 file size: "
70 du
-b $TEST_IMG | cut
-f1
71 echo -n "data file size: "
72 du
-b $TEST_IMG.data | cut
-f1
74 # Can't use precise numbers here because they differ between filesystems
75 echo -n "qcow2 disk usage: "
76 [ $
(du
-B1 $TEST_IMG | cut
-f1) -lt 1048576 ] && echo "low" ||
echo "high"
77 echo -n "data disk usage: "
78 [ $
(du
-B1 $TEST_IMG.data | cut
-f1) -lt 1048576 ] && echo "low" ||
echo "high"