smb: server: pass struct smbdirect_socket to smb_direct_create_header()

This will make it easier to move function to the common code
in future.

Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: metze-samba

fs/smb/server/transport_rdma.c

@@ -1006,11 +1006,10 @@ static int calc_rw_credits(struct smbdirect_socket *sc,
 			    sc->rw_io.credits.num_pages);
 }
 
-static int smb_direct_create_header(struct smb_direct_transport *t,
+static int smb_direct_create_header(struct smbdirect_socket *sc,
 				    int size, int remaining_data_length,
 				    struct smbdirect_send_io **sendmsg_out)
 {
-	struct smbdirect_socket *sc = &t->socket;
 	struct smbdirect_socket_parameters *sp = &sc->parameters;
 	struct smbdirect_send_io *sendmsg;
 	struct smbdirect_data_transfer *packet;
@@ -1174,7 +1173,7 @@ static int smb_direct_post_send_data(struct smb_direct_transport *t,
 	for (i = 0; i < niov; i++)
 		data_length += iov[i].iov_len;
 
-	ret = smb_direct_create_header(t, data_length, remaining_data_length,
+	ret = smb_direct_create_header(sc, data_length, remaining_data_length,
 				       &msg);
 	if (ret) {
 		atomic_inc(&sc->send_io.credits.count);