| Add bitmap 1 | 
 | wrote 1048576/1048576 bytes at offset 0 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 1048576 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 2097152 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 3145728 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 4194304 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 5242880 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 |  | 
 | Add bitmap 2 | 
 | wrote 1048576/1048576 bytes at offset 6291456 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 7340032 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 |  | 
 | magic                     0x514649fb | 
 | version                   3 | 
 | backing_file_offset       0x0 | 
 | backing_file_size         0x0 | 
 | cluster_bits              16 | 
 | size                      10485760 | 
 | 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     [] | 
 | compatible_features       [] | 
 | autoclear_features        [0] | 
 | refcount_order            4 | 
 | header_length             112 | 
 |  | 
 | Header extension: | 
 | magic                     0x6803f857 (Feature table) | 
 | length                    384 | 
 | data                      <binary> | 
 |  | 
 | Header extension: | 
 | magic                     0x23852875 (Bitmaps) | 
 | length                    24 | 
 | nb_bitmaps                2 | 
 | reserved32                0 | 
 | bitmap_directory_size     0x40 | 
 | bitmap_directory_offset   0x9d0000 | 
 |  | 
 | Bitmap name               bitmap-1 | 
 | bitmap_table_offset       0x9b0000 | 
 | bitmap_table_size         1 | 
 | flags                     0x2 (['auto']) | 
 | type                      1 | 
 | granularity_bits          15 | 
 | name_size                 8 | 
 | extra_data_size           0 | 
 | Bitmap table   type            size         offset | 
 | 0              serialized      65536        10092544 | 
 |  | 
 | Bitmap name               bitmap-2 | 
 | bitmap_table_offset       0x9c0000 | 
 | bitmap_table_size         1 | 
 | flags                     0x0 ([]) | 
 | type                      1 | 
 | granularity_bits          16 | 
 | name_size                 8 | 
 | extra_data_size           0 | 
 | Bitmap table   type            size         offset | 
 | 0              all-zeroes      0            0 | 
 |  | 
 | Add bitmap 1 | 
 | wrote 1048576/1048576 bytes at offset 0 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 1048576 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 2097152 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 3145728 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 4194304 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 5242880 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 |  | 
 | Add bitmap 2 | 
 | wrote 1048576/1048576 bytes at offset 6291456 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | wrote 1048576/1048576 bytes at offset 7340032 | 
 | 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 |  | 
 | { | 
 |     "magic": 1363560955, | 
 |     "version": 3, | 
 |     "backing_file_offset": 0, | 
 |     "backing_file_size": 0, | 
 |     "cluster_bits": 16, | 
 |     "size": 10485760, | 
 |     "crypt_method": 0, | 
 |     "l1_size": 1, | 
 |     "l1_table_offset": 196608, | 
 |     "refcount_table_offset": 65536, | 
 |     "refcount_table_clusters": 1, | 
 |     "nb_snapshots": 0, | 
 |     "snapshot_offset": 0, | 
 |     "incompatible_features": 8, | 
 |     "compatible_features": 0, | 
 |     "autoclear_features": 1, | 
 |     "refcount_order": 4, | 
 |     "header_length": 112 | 
 | } | 
 |  | 
 | [ | 
 |     { | 
 |         "name": "Feature table", | 
 |         "magic": 1745090647, | 
 |         "length": 384, | 
 |         "data_str": "<binary>" | 
 |     }, | 
 |     { | 
 |         "name": "Bitmaps", | 
 |         "magic": 595929205, | 
 |         "length": 24, | 
 |         "data": { | 
 |             "nb_bitmaps": 2, | 
 |             "reserved32": 0, | 
 |             "bitmap_directory_size": 64, | 
 |             "bitmap_directory_offset": 10289152, | 
 |             "bitmap_directory": [ | 
 |                 { | 
 |                     "name": "bitmap-1", | 
 |                     "bitmap_table_offset": 10158080, | 
 |                     "bitmap_table_size": 1, | 
 |                     "flags": 2, | 
 |                     "type": 1, | 
 |                     "granularity_bits": 15, | 
 |                     "name_size": 8, | 
 |                     "extra_data_size": 0, | 
 |                     "bitmap_table": [ | 
 |                         { | 
 |                             "type": "serialized", | 
 |                             "offset": 10092544, | 
 |                             "reserved": 0 | 
 |                         } | 
 |                     ] | 
 |                 }, | 
 |                 { | 
 |                     "name": "bitmap-2", | 
 |                     "bitmap_table_offset": 10223616, | 
 |                     "bitmap_table_size": 1, | 
 |                     "flags": 0, | 
 |                     "type": 1, | 
 |                     "granularity_bits": 16, | 
 |                     "name_size": 8, | 
 |                     "extra_data_size": 0, | 
 |                     "bitmap_table": [ | 
 |                         { | 
 |                             "type": "all-zeroes", | 
 |                             "offset": 0, | 
 |                             "reserved": 0 | 
 |                         } | 
 |                     ] | 
 |                 } | 
 |             ] | 
 |         } | 
 |     } | 
 | ] |