qemu-iotests: add 036 autoclear feature bit test

#!/bin/bash

#

# Test that qcow2 unknown autoclear feature bits are cleared

#

# Copyright (C) 2011 Red Hat, Inc.

# Copyright IBM, Corp. 2010

#

# Based on test 031.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#

# creator

owner=stefanha@linux.vnet.ibm.com

seq=`basename $0`

echo "QA output created by $seq"

here=`pwd`

tmp=/tmp/$$

status=1	# failure is the default!

_cleanup()

{

	_cleanup_test_img

}

trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks

. ./common.rc

. ./common.filter

. ./common.pattern

# This tests qcow2-specific low-level functionality

_supported_fmt qcow2

_supported_proto generic

_supported_os Linux

# Only qcow2v3 and later supports feature bits

IMGOPTS="compat=1.1"

echo === Create image with unknown autoclear feature bit ===

echo

_make_test_img 64M

./qcow2.py $TEST_IMG set-feature-bit autoclear 63

./qcow2.py $TEST_IMG dump-header

echo

echo === Repair image ===

echo

$QEMU_IMG check -r all $TEST_IMG

./qcow2.py $TEST_IMG dump-header

# success, all done

echo "*** done"

rm -f $seq.full

status=0

QA output created by 036

=== Create image with unknown autoclear feature bit ===

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 

magic                     0x514649fb

version                   3

backing_file_offset       0x0

backing_file_size         0x0

cluster_bits              16

size                      67108864

crypt_method              0

l1_size                   1

l1_table_offset           0x30000

refcount_table_offset     0x10000

refcount_table_clusters   1

nb_snapshots              0

snapshot_offset           0x0

incompatible_features     0x0

compatible_features       0x0

autoclear_features        0x8000000000000000

refcount_order            4

header_length             104

=== Repair image ===

No errors were found on the image.

magic                     0x514649fb

version                   3

backing_file_offset       0x0

backing_file_size         0x0

cluster_bits              16

size                      67108864

crypt_method              0

l1_size                   1

l1_table_offset           0x30000

refcount_table_offset     0x10000

refcount_table_clusters   1

nb_snapshots              0

snapshot_offset           0x0

incompatible_features     0x0

compatible_features       0x0

autoclear_features        0x0

refcount_order            4

header_length             104

Header extension:

magic                     0x6803f857

length                    0

data                      ''

*** done

033 rw auto

034 rw auto backing

035 rw auto quick

036 rw auto quick

037 rw auto backing

038 rw auto backing