[Patch v6 17/22] CIFS: SMBD: Upper layer sends data via RDMA send

[Long Li]

From: Long Li <lon...@microsoft.com>

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

Signed-off-by: Long Li <lon...@microsoft.com>
---
 fs/cifs/transport.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 7efbab0..1b51d08 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -37,6 +37,9 @@
 #include "cifsglob.h"
 #include "cifsproto.h"
 #include "cifs_debug.h"
+#ifdef CONFIG_CIFS_SMB_DIRECT
+#include "smbdirect.h"
+#endif
 
 void
 cifs_wake_up_task(struct mid_q_entry *mid)
@@ -229,7 +232,12 @@ __smb_send_rqst(struct TCP_Server_Info *server, struct 
smb_rqst *rqst)
        struct socket *ssocket = server->ssocket;
        struct msghdr smb_msg;
        int val = 1;
-
+#ifdef CONFIG_CIFS_SMB_DIRECT
+       if (server->smbd_conn) {
+               rc = smbd_send(server->smbd_conn, rqst);
+               goto smbd_done;
+       }
+#endif
        if (ssocket == NULL)
                return -ENOTSOCK;
 
@@ -298,7 +306,9 @@ __smb_send_rqst(struct TCP_Server_Info *server, struct 
smb_rqst *rqst)
                 */
                server->tcpStatus = CifsNeedReconnect;
        }
-
+#ifdef CONFIG_CIFS_SMB_DIRECT
+smbd_done:
+#endif
        if (rc < 0 && rc != -EINTR)
                cifs_dbg(VFS, "Error %d sending data on socket to server\n",
                         rc);
-- 
2.7.4