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[Patch v4 15/22] CIFS: SMBD: Upper layer sends data via RDMA send

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From: Long Li <longli@microsoft.com>

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

Signed-off-by: Long Li <longli@microsoft.com>
---
 fs/cifs/transport.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 7efbab0..3a9b5a0 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)
@@ -230,6 +231,11 @@ __smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst)
 	struct msghdr smb_msg;
 	int val = 1;
 
+	if (server->smbd_conn) {
+		rc = smbd_send(server->smbd_conn, rqst);
+		goto done;
+	}
+
 	if (ssocket == NULL)
 		return -ENOTSOCK;
 
@@ -299,6 +305,7 @@ __smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst)
 		server->tcpStatus = CifsNeedReconnect;
 	}
 
+done:
 	if (rc < 0 && rc != -EINTR)
 		cifs_dbg(VFS, "Error %d sending data on socket to server\n",
 			 rc);
-- 
2.7.4

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Thread

[Patch v4 00/22] CIFS: Implement SMBDirect Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200
  [Patch v4 15/22] CIFS: SMBD: Upper layer sends data via RDMA send Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200
  [Patch v4 21/22] CIFS: SMBD: Upper layer performs SMB read via RDMA write through memory registration Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200
  [Patch v4 09/22] CIFS: SMBD: Implement function to destroy a SMBDirect connection Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200
  [Patch v4 18/22] CIFS: SMBD: Upper layer performs SMB write via RDMA read through memory registration Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200
  [Patch v4 13/22] CIFS: SMBD: Upper layer receives data via RDMA receive Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200
  [Patch v4 10/22] CIFS: SMBD: Upper layer destroys SMBDirect session on shutdown or umount Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200
  [Patch v4 06/22] CIFS: SMBD: Upper layer connects to SMBDirect session Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200
  [Patch v4 19/22] CIFS: SMBD: Add parameter rdata to smb2_new_read_req Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200
  [Patch v4 17/22] CIFS: SMBD: Implement RDMA memory registration Long Li <longli@exchange.microsoft.com> - 2017-10-02 04:40 +0200

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