nfs41: Backchannel: update cb_sequence args and results

Change the type of cs_addr and csr_status to 'struct sockaddr' and
'__be32' since the cb_sequence processing function will use existing
functionality that expects these types.
Signed-off-by: NRicardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: NBenny Halevy <bhalevy@panasas.com>

fs/nfs/callback.h

@@ -84,7 +84,7 @@ struct referring_call_list {
 };
 
 struct cb_sequenceargs {
-	struct sockaddr_in		*csa_addr;
+	struct sockaddr			*csa_addr;
 	struct nfs4_sessionid		csa_sessionid;
 	uint32_t			csa_sequenceid;
 	uint32_t			csa_slotid;
@@ -95,7 +95,7 @@ struct cb_sequenceargs {
 };
 
 struct cb_sequenceres {
-	uint32_t			csr_status;
+	__be32				csr_status;
 	struct nfs4_sessionid		csr_sessionid;
 	uint32_t			csr_sequenceid;
 	uint32_t			csr_slotid;

fs/nfs/callback_xdr.c

@@ -283,7 +283,7 @@ static unsigned decode_cb_sequence_args(struct svc_rqst *rqstp,
 	if (unlikely(p == NULL))
 		goto out;
 
-	args->csa_addr = svc_addr_in(rqstp);
+	args->csa_addr = svc_addr(rqstp);
 	args->csa_sequenceid = ntohl(*p++);
 	args->csa_slotid = ntohl(*p++);
 	args->csa_highestslotid = ntohl(*p++);