2 # group: rw backing auto quick
4 # Merge backing file into test image when converting the image
6 # Copyright (C) 2009 Red Hat, Inc.
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.
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.
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/>.
23 owner=kwolf@redhat.com
26 echo "QA output created by $seq"
28 status=1 # failure is the default!
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
41 # Any format supporting backing files
42 _supported_fmt qcow qcow2 vmdk qed
45 _unsupported_imgopts "subformat=monolithicFlat" "subformat=twoGbMaxExtentFlat" \
48 TEST_OFFSETS="0 4294967296"
50 TEST_IMG_SAVE=$TEST_IMG
51 TEST_IMG=$TEST_IMG.base
54 echo "Filling base image"
57 for offset in $TEST_OFFSETS; do
58 # Some clusters with alternating backing file/image file reads
59 io writev $(( offset )) 512 1024 64
61 # Complete backing clusters
62 io writev $(( offset + 64 * 1024)) 65536 65536 1
66 echo "Creating test image with backing file"
69 TEST_IMG="$TEST_IMG_SAVE.orig"
70 _make_test_img -b "$TEST_IMG_SAVE.base" -F $IMGFMT 6G
72 echo "Filling test image"
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
79 # Complete test image clusters
80 io writev $(( offset + 64 * 1024 + 65536)) 65536 65536 1
84 TEST_IMG="$TEST_IMG_SAVE"
85 $QEMU_IMG convert -f $IMGFMT -O $IMGFMT "$TEST_IMG.orig" "$TEST_IMG"
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
95 # Complete test image clusters
96 io readv $(( offset + 64 * 1024)) 65536 65536 1
97 io readv $(( offset + 64 * 1024 + 65536)) 65536 65536 1
100 io_zero readv $(( offset + 64 * 1024 + 65536 * 4 )) 65536 65536 1