[v8,10/16] CIFS: SMBD: Upper layer sends data via RDMA send

Commit Message

Long Li Nov. 23, 2017, 12:38 a.m. UTC

From: Long Li <[e-mail]>

With SMB Direct connected, use it for sending data via RDMA send.

Signed-off-by: Long Li <[e-mail]>
---
 fs/cifs/transport.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Patch

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index e678307..4001842 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -37,6 +37,7 @@ 
 #include "cifsglob.h"
 #include "cifsproto.h"
 #include "cifs_debug.h"
+#include "smbdirect.h"
 
 void
 cifs_wake_up_task(struct mid_q_entry *mid)
@@ -229,7 +230,10 @@  __smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst)
 	struct socket *ssocket = server->ssocket;
 	struct msghdr smb_msg;
 	int val = 1;
-
+	if (cifs_rdma_enabled(server) && server->smbd_conn) {
+		rc = smbd_send(server->smbd_conn, rqst);
+		goto smbd_done;
+	}
 	if (ssocket == NULL)
 		return -ENOTSOCK;
 
@@ -298,7 +302,7 @@  __smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst)
 		 */
 		server->tcpStatus = CifsNeedReconnect;
 	}
-
+smbd_done:
 	if (rc < 0 && rc != -EINTR)
 		cifs_dbg(VFS, "Error %d sending data on socket to server\n",
 			 rc);