21.09.2017 15:18, Vladimir Sementsov-Ogievskiy wrote:
Hi all!
I'm about this:
"A server SHOULD try to minimize the number of chunks sent in a reply,
but MUST NOT mark a chunk as final if there is still a possibility of
detecting an error before transmission of that chunk completes"
What do we mean by "possibility"? Formally, such possibility exists
always, so, we'll never mark a chunk as final.
One more question:
for |NBD_REPLY_TYPE_ERROR and ||NBD_REPLY_TYPE_ERROR_OFFSET, why do we
need message_length field? why not to calc it as chunk.lenght - 4 for
||NBD_REPLY_TYPE_ERROR and chunk.lenght - 12 for
||NBD_REPLY_TYPE_ERROR_OFFSET?
For example, with NBD_REPLY_TYPE_OFFSET_DATA variable data length is
calculated, not specified separately.
What is the reason for server to send NBD_REPLY_TYPE_ERROR with
message_lenght < chunk.lenght - 4?
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Best regards,
Vladimir
