smb: client: fill smbdirect_socket_parameters at the beginning and use the values from there

This is what we should do and it also simplifies the following changes.

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

Author: metze-samba

fs/smb/client/smbdirect.c

@@ -1718,37 +1718,37 @@ static struct smbd_connection *_smbd_get_connection(
 
 	INIT_WORK(&sc->disconnect_work, smbd_disconnect_rdma_work);
 
+	sp->recv_credit_max = smbd_receive_credit_max;
+	sp->send_credit_target = smbd_send_credit_target;
+	sp->max_send_size = smbd_max_send_size;
+	sp->max_fragmented_recv_size = smbd_max_fragmented_recv_size;
+	sp->max_recv_size = smbd_max_receive_size;
+	sp->keepalive_interval_msec = smbd_keep_alive_interval * 1000;
+
 	rc = smbd_ia_open(info, dstaddr, port);
 	if (rc) {
 		log_rdma_event(INFO, "smbd_ia_open rc=%d\n", rc);
 		goto create_id_failed;
 	}
 
-	if (smbd_send_credit_target > sc->ib.dev->attrs.max_cqe ||
-	    smbd_send_credit_target > sc->ib.dev->attrs.max_qp_wr) {
+	if (sp->send_credit_target > sc->ib.dev->attrs.max_cqe ||
+	    sp->send_credit_target > sc->ib.dev->attrs.max_qp_wr) {
 		log_rdma_event(ERR, "consider lowering send_credit_target = %d. Possible CQE overrun, device reporting max_cqe %d max_qp_wr %d\n",
-			       smbd_send_credit_target,
+			       sp->send_credit_target,
 			       sc->ib.dev->attrs.max_cqe,
 			       sc->ib.dev->attrs.max_qp_wr);
 		goto config_failed;
 	}
 
-	if (smbd_receive_credit_max > sc->ib.dev->attrs.max_cqe ||
-	    smbd_receive_credit_max > sc->ib.dev->attrs.max_qp_wr) {
+	if (sp->recv_credit_max > sc->ib.dev->attrs.max_cqe ||
+	    sp->recv_credit_max > sc->ib.dev->attrs.max_qp_wr) {
 		log_rdma_event(ERR, "consider lowering receive_credit_max = %d. Possible CQE overrun, device reporting max_cqe %d max_qp_wr %d\n",
-			       smbd_receive_credit_max,
+			       sp->recv_credit_max,
 			       sc->ib.dev->attrs.max_cqe,
 			       sc->ib.dev->attrs.max_qp_wr);
 		goto config_failed;
 	}
 
-	sp->recv_credit_max = smbd_receive_credit_max;
-	sp->send_credit_target = smbd_send_credit_target;
-	sp->max_send_size = smbd_max_send_size;
-	sp->max_fragmented_recv_size = smbd_max_fragmented_recv_size;
-	sp->max_recv_size = smbd_max_receive_size;
-	sp->keepalive_interval_msec = smbd_keep_alive_interval * 1000;
-
 	if (sc->ib.dev->attrs.max_send_sge < SMBDIRECT_SEND_IO_MAX_SGE ||
 	    sc->ib.dev->attrs.max_recv_sge < SMBDIRECT_RECV_IO_MAX_SGE) {
 		log_rdma_event(ERR,