qemu/tests/qemu-iotests/242.out
Alberto Garcia 7be2025258 qcow2: Add the 'extended_l2' option and the QCOW2_INCOMPAT_EXTL2 bit
Now that the implementation of subclusters is complete we can finally
add the necessary options to create and read images with this feature,
which we call "extended L2 entries".

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <6476caaa73216bd05b7bb2d504a20415e1665176.1594396418.git.berto@igalia.com>
[mreitz: %s/5\.1/5.2/; fixed 302's and 303's reference output]
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-08-25 09:19:55 +02:00

177 lines
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Test 1
{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 16384, "name": "bitmap-0", "node": "drive0", "persistent": false}}
{"return": {}}
wrote 262144/262144 bytes at offset 0
256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qemu-img info dump:
image: TEST_IMG
file format: IMGFMT
virtual size: 1 MiB (1048576 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
refcount bits: 16
corrupt: false
extended l2: false
No bitmap in JSON format output
Test 2
{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": true, "granularity": 32768, "name": "bitmap-1", "node": "drive0", "persistent": true}}
{"return": {}}
wrote 262144/262144 bytes at offset 262144
256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qemu-img info dump:
image: TEST_IMG
file format: IMGFMT
virtual size: 1 MiB (1048576 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
bitmaps:
[0]:
flags:
name: bitmap-1
granularity: 32768
refcount bits: 16
corrupt: false
extended l2: false
The same bitmaps in JSON format:
[
{
"flags": [],
"granularity": 32768,
"name": "bitmap-1"
}
]
Test 3
{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 65536, "name": "bitmap-2", "node": "drive0", "persistent": true}}
{"return": {}}
wrote 262144/262144 bytes at offset 524288
256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qemu-img info dump:
image: TEST_IMG
file format: IMGFMT
virtual size: 1 MiB (1048576 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
bitmaps:
[0]:
flags:
name: bitmap-1
granularity: 32768
[1]:
flags:
[0]: auto
name: bitmap-2
granularity: 65536
refcount bits: 16
corrupt: false
extended l2: false
The same bitmaps in JSON format:
[
{
"flags": [],
"granularity": 32768,
"name": "bitmap-1"
},
{
"flags": [
"auto"
],
"granularity": 65536,
"name": "bitmap-2"
}
]
Test 4
Checking "in-use" flag...
qemu-img info dump:
image: TEST_IMG
file format: IMGFMT
virtual size: 1 MiB (1048576 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
bitmaps:
[0]:
flags:
[0]: in-use
name: bitmap-1
granularity: 32768
[1]:
flags:
[0]: in-use
[1]: auto
name: bitmap-2
granularity: 65536
refcount bits: 16
corrupt: false
extended l2: false
The same bitmaps in JSON format:
[
{
"flags": [
"in-use"
],
"granularity": 32768,
"name": "bitmap-1"
},
{
"flags": [
"in-use",
"auto"
],
"granularity": 65536,
"name": "bitmap-2"
}
]
Test 5
{"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 16384, "name": "bitmap-0", "node": "drive0", "persistent": true}}
{"return": {}}
Write an unknown bitmap flag '0x4' into a new QCOW2 image at offset 327695
qemu-img: Could not open 'TEST_IMG': Bitmap 'bitmap-0' doesn't satisfy the constraints
Unset the unknown bitmap flag '0x4' in the bitmap directory entry:
image: TEST_IMG
file format: IMGFMT
virtual size: 1 MiB (1048576 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
bitmaps:
[0]:
flags:
[0]: auto
name: bitmap-0
granularity: 16384
refcount bits: 16
corrupt: false
extended l2: false
Test complete