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4d6bbb6233
Implement the NFSv4.1 backchannel service. Invokes the common callback processing logic svc_process_common() to authenticate the call and dispatch the appropriate NFSv4.1 XDR decoder and operation procedure. It then invokes bc_send() to send the reply over the same connection. bc_send() is implemented in a separate patch. At this time there is no slot validation or reply cache handling. [nfs41: Preallocate rpc_rqst receive buffer for handling callbacks] Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> [Move bc_svc_process() declaration to correct patch] Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com>