qemu-iotests: add 036 autoclear feature bit test

This new test validates the autoclear feature bit behavior.  When QEMU
opens a qcow2v3 image file with an unknown autoclear feature bit the bit
should be cleared in the image file header.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2012-06-14 13:58:18 +01:00 committed by Kevin Wolf
parent 1b2eff62fc
commit d551cd50a4
3 changed files with 121 additions and 0 deletions

68
tests/qemu-iotests/036 Executable file
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@ -0,0 +1,68 @@
#!/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

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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

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@ -42,5 +42,6 @@
033 rw auto
034 rw auto backing
035 rw auto quick
036 rw auto quick
037 rw auto backing
038 rw auto backing