QA output created by 223

=== Create partially sparse image, then add dirty bitmaps ===

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4194304
wrote 2097152/2097152 bytes at offset 1048576
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Testing:
QMP_VERSION
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}


=== Write part of the file under active bitmap ===

wrote 512/512 bytes at offset 512
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 2097152
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

=== End dirty bitmaps, and start serving image over NBD ===

{"return": {}}
{"return": {}}
{"return": {}}
{"error": {"class": "GenericError", "desc": "NBD server not running"}}
{"return": {}}
{"error": {"class": "GenericError", "desc": "NBD server already running"}}
{"return": {}}
{"error": {"class": "GenericError", "desc": "Cannot find device=nosuch nor node_name=nosuch"}}
{"error": {"class": "GenericError", "desc": "NBD server already has export named 'n'"}}
{"return": {}}
{"return": {}}
{"error": {"class": "GenericError", "desc": "Enabled bitmap 'b2' incompatible with readonly export"}}
{"return": {}}
{"return": {}}
{"return": {}}

=== Contrast normal status to large granularity dirty-bitmap ===

read 512/512 bytes at offset 512
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 524288/524288 bytes at offset 524288
512 KiB, 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)
read 2097152/2097152 bytes at offset 2097152
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
[{ "start": 0, "length": 4096, "depth": 0, "zero": false, "data": true},
{ "start": 4096, "length": 1044480, "depth": 0, "zero": true, "data": false},
{ "start": 1048576, "length": 3145728, "depth": 0, "zero": false, "data": true}]
[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": false},
{ "start": 65536, "length": 2031616, "depth": 0, "zero": false, "data": true},
{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]

=== Contrast to small granularity dirty-bitmap ===

[{ "start": 0, "length": 512, "depth": 0, "zero": false, "data": true},
{ "start": 512, "length": 512, "depth": 0, "zero": false, "data": false},
{ "start": 1024, "length": 2096128, "depth": 0, "zero": false, "data": true},
{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]

=== End NBD server ===

{"return": {}}
{"return": {}}
{"error": {"class": "GenericError", "desc": "Export 'n2' is not found"}}
{"return": {}}
{"error": {"class": "GenericError", "desc": "NBD server not running"}}
{"return": {}}
*** done