smb: client: make use of SMBDIRECT_RECV_IO_MAX_SGE

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
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: metze-samba

fs/smb/client/smbdirect.c

@@ -1563,7 +1563,7 @@ static struct smbd_connection *_smbd_get_connection(
 	sp->keepalive_interval_msec = smbd_keep_alive_interval * 1000;
 
 	if (sc->ib.dev->attrs.max_send_sge < SMBDIRECT_MAX_SEND_SGE ||
-	    sc->ib.dev->attrs.max_recv_sge < SMBDIRECT_MAX_RECV_SGE) {
+	    sc->ib.dev->attrs.max_recv_sge < SMBDIRECT_RECV_IO_MAX_SGE) {
 		log_rdma_event(ERR,
 			"device %.*s max_send_sge/max_recv_sge = %d/%d too small\n",
 			IB_DEVICE_NAME_MAX,
@@ -1595,7 +1595,7 @@ static struct smbd_connection *_smbd_get_connection(
 	qp_attr.cap.max_send_wr = sp->send_credit_target;
 	qp_attr.cap.max_recv_wr = sp->recv_credit_max;
 	qp_attr.cap.max_send_sge = SMBDIRECT_MAX_SEND_SGE;
-	qp_attr.cap.max_recv_sge = SMBDIRECT_MAX_RECV_SGE;
+	qp_attr.cap.max_recv_sge = SMBDIRECT_RECV_IO_MAX_SGE;
 	qp_attr.cap.max_inline_data = 0;
 	qp_attr.sq_sig_type = IB_SIGNAL_REQ_WR;
 	qp_attr.qp_type = IB_QPT_RC;

fs/smb/client/smbdirect.h

@@ -139,9 +139,6 @@ struct smbd_request {
 	u8 packet[];
 };
 
-/* Maximum number of SGEs used by smbdirect.c in any receive work request */
-#define SMBDIRECT_MAX_RECV_SGE	1
-
 /* Create a SMBDirect session */
 struct smbd_connection *smbd_get_connection(
 	struct TCP_Server_Info *server, struct sockaddr *dstaddr);