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qemu-patch-raspberry4/tests/qemu-iotests/274.out
Denis Plotnikov 572ad9783f qcow2: introduce compression type feature 
The patch adds some preparation parts for incompatible compression type
feature to qcow2 allowing the use different compression methods for
image clusters (de)compressing.

It is implied that the compression type is set on the image creation and
can be changed only later by image conversion, thus compression type
defines the only compression algorithm used for the image, and thus,
for all image clusters.

The goal of the feature is to add support of other compression methods
to qcow2. For example, ZSTD which is more effective on compression than ZLIB.

The default compression is ZLIB. Images created with ZLIB compression type
are backward compatible with older qemu versions.

Adding of the compression type breaks a number of tests because now the
compression type is reported on image creation and there are some changes
in the qcow2 header in size and offsets.

The tests are fixed in the following ways:
    * filter out compression_type for many tests
    * fix header size, feature table size and backing file offset
      affected tests: 031, 036, 061, 080
      header_size +=8: 1 byte compression type
                       7 bytes padding
      feature_table += 48: incompatible feature compression type
      backing_file_offset += 56 (8 + 48 -> header_change + feature_table_change)
    * add "compression type" for test output matching when it isn't filtered
      affected tests: 049, 060, 061, 065, 082, 085, 144, 182, 185, 198, 206,
                      242, 255, 274, 280

Signed-off-by: Denis Plotnikov <dplotnikov@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
QAPI part:
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200507082521.29210-2-dplotnikov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-05-13 14:20:31 +02:00

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== Commit tests ==
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=2097152 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-mid', fmt=qcow2 size=1048576 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=2097152 backing_file=TEST_DIR/PID-mid cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 2097152/2097152 bytes at offset 0
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Check visible data ===
read 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Checking allocation status ===
1048576/1048576 bytes allocated at offset 0 bytes
1048576/1048576 bytes allocated at offset 1 MiB
0/1048576 bytes allocated at offset 0 bytes
0/0 bytes allocated at offset 1 MiB
0/1048576 bytes allocated at offset 0 bytes
0/1048576 bytes allocated at offset 1 MiB
=== Checking map ===
[{ "start": 0, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": 327680}]
Offset Length Mapped to File
0 0x200000 0x50000 TEST_DIR/PID-base
[{ "start": 0, "length": 1048576, "depth": 1, "zero": false, "data": true, "offset": 327680}]
Offset Length Mapped to File
0 0x100000 0x50000 TEST_DIR/PID-base
[{ "start": 0, "length": 1048576, "depth": 2, "zero": false, "data": true, "offset": 327680},
{ "start": 1048576, "length": 1048576, "depth": 0, "zero": true, "data": false}]
Offset Length Mapped to File
0 0x100000 0x50000 TEST_DIR/PID-base
=== Testing qemu-img commit (top -> mid) ===
Image committed.
image: TEST_IMG
file format: IMGFMT
virtual size: 2 MiB (2097152 bytes)
cluster_size: 65536
backing file: TEST_DIR/PID-base
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
refcount bits: 16
corrupt: false
read 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing HMP commit (top -> mid) ===
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=2097152 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-mid', fmt=qcow2 size=1048576 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=2097152 backing_file=TEST_DIR/PID-mid cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 2097152/2097152 bytes at offset 0
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
{"execute": "human-monitor-command", "arguments": {"command-line": "commit drive0"}}
{"return": ""}
image: TEST_IMG
file format: IMGFMT
virtual size: 2 MiB (2097152 bytes)
cluster_size: 65536
backing file: TEST_DIR/PID-base
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
refcount bits: 16
corrupt: false
read 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing QMP active commit (top -> mid) ===
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=2097152 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-mid', fmt=qcow2 size=1048576 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=2097152 backing_file=TEST_DIR/PID-mid cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 2097152/2097152 bytes at offset 0
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
{"execute": "block-commit", "arguments": {"auto-dismiss": false, "base-node": "mid", "device": "top", "job-id": "job0"}}
{"return": {}}
{"execute": "job-complete", "arguments": {"id": "job0"}}
{"return": {}}
{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"data": {"device": "job0", "len": 0, "offset": 0, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
image: TEST_IMG
file format: IMGFMT
virtual size: 2 MiB (2097152 bytes)
cluster_size: 65536
backing file: TEST_DIR/PID-base
Format specific information:
compat: 1.1
compression type: zlib
lazy refcounts: false
refcount bits: 16
corrupt: false
read 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Resize tests ==
=== preallocation=off ===
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=6442450944 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=1073741824 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 65536/65536 bytes at offset 5368709120
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image resized.
read 65536/65536 bytes at offset 5368709120
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
1 GiB (0x40000000) bytes not allocated at offset 0 bytes (0x0)
7 GiB (0x1c0000000) bytes allocated at offset 1 GiB (0x40000000)
[{ "start": 0, "length": 1073741824, "depth": 1, "zero": true, "data": false},
{ "start": 1073741824, "length": 7516192768, "depth": 0, "zero": true, "data": false}]
=== preallocation=metadata ===
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=34359738368 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=32212254720 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 65536/65536 bytes at offset 33285996544
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image resized.
read 65536/65536 bytes at offset 33285996544
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
30 GiB (0x780000000) bytes not allocated at offset 0 bytes (0x0)
3 GiB (0xc0000000) bytes allocated at offset 30 GiB (0x780000000)
[{ "start": 0, "length": 32212254720, "depth": 1, "zero": true, "data": false},
{ "start": 32212254720, "length": 536870912, "depth": 0, "zero": true, "data": false, "offset": 327680},
{ "start": 32749125632, "length": 536870912, "depth": 0, "zero": true, "data": false, "offset": 537264128},
{ "start": 33285996544, "length": 536870912, "depth": 0, "zero": true, "data": false, "offset": 1074200576},
{ "start": 33822867456, "length": 536870912, "depth": 0, "zero": true, "data": false, "offset": 1611137024},
{ "start": 34359738368, "length": 536870912, "depth": 0, "zero": true, "data": false, "offset": 2148139008},
{ "start": 34896609280, "length": 536870912, "depth": 0, "zero": true, "data": false, "offset": 2685075456}]
=== preallocation=falloc ===
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=10485760 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=5242880 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 65536/65536 bytes at offset 9437184
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image resized.
read 65536/65536 bytes at offset 9437184
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
5 MiB (0x500000) bytes not allocated at offset 0 bytes (0x0)
10 MiB (0xa00000) bytes allocated at offset 5 MiB (0x500000)
[{ "start": 0, "length": 5242880, "depth": 1, "zero": true, "data": false},
{ "start": 5242880, "length": 10485760, "depth": 0, "zero": false, "data": true, "offset": 327680}]
=== preallocation=full ===
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=16777216 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=8388608 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 65536/65536 bytes at offset 11534336
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image resized.
read 65536/65536 bytes at offset 11534336
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
8 MiB (0x800000) bytes not allocated at offset 0 bytes (0x0)
4 MiB (0x400000) bytes allocated at offset 8 MiB (0x800000)
[{ "start": 0, "length": 8388608, "depth": 1, "zero": true, "data": false},
{ "start": 8388608, "length": 4194304, "depth": 0, "zero": false, "data": true, "offset": 327680}]
=== preallocation=off ===
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=393216 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=259072 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 65536/65536 bytes at offset 259072
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image resized.
read 65536/65536 bytes at offset 259072
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
192 KiB (0x30000) bytes not allocated at offset 0 bytes (0x0)
320 KiB (0x50000) bytes allocated at offset 192 KiB (0x30000)
[{ "start": 0, "length": 196608, "depth": 1, "zero": true, "data": false},
{ "start": 196608, "length": 65536, "depth": 0, "zero": false, "data": true, "offset": 327680},
{ "start": 262144, "length": 262144, "depth": 0, "zero": true, "data": false}]
=== preallocation=off ===
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=409600 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=262144 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 65536/65536 bytes at offset 344064
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image resized.
read 65536/65536 bytes at offset 344064
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
256 KiB (0x40000) bytes not allocated at offset 0 bytes (0x0)
256 KiB (0x40000) bytes allocated at offset 256 KiB (0x40000)
[{ "start": 0, "length": 262144, "depth": 1, "zero": true, "data": false},
{ "start": 262144, "length": 262144, "depth": 0, "zero": true, "data": false}]
=== preallocation=off ===
Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=524288 cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
Formatting 'TEST_DIR/PID-top', fmt=qcow2 size=262144 backing_file=TEST_DIR/PID-base cluster_size=65536 lazy_refcounts=off refcount_bits=16 compression_type=zlib
wrote 65536/65536 bytes at offset 446464
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Image resized.
read 65536/65536 bytes at offset 446464
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
256 KiB (0x40000) bytes not allocated at offset 0 bytes (0x0)
244 KiB (0x3d000) bytes allocated at offset 256 KiB (0x40000)
[{ "start": 0, "length": 262144, "depth": 1, "zero": true, "data": false},
{ "start": 262144, "length": 249856, "depth": 0, "zero": true, "data": false}]
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