On Thu, Apr 13, 2023 at 05:02:40PM -0500, Eric Blake wrote:
[...]
> +If extended headers were negotiated, a server MAY optionally
> +advertise, via the transmission flag
> +`NBD_FLAG_BLOCK_STATUS_PAYLOAD`, that it supports an alternative
> +request form where the client sets `NBD_CM
NBD_CMD_BLOCK_STATUS currently forces the server to reply to all
metacontext ids that the client negotiated via
NBD_OPT_SET_META_CONTEXT. But since extended headers make it easy for
the client to pass command payloads, we can allow for a client to
negotiate multiple metacontexts up front but expre
