From: Long Li <longli@exchange.microsoft.com>
To: Steve French <sfrench@samba.org>,
linux-cifs@vger.kernel.org, samba-technical@lists.samba.org,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>,
Tom Talpey <ttalpey@microsoft.com>,
Matthew Wilcox <mawilcox@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>
Cc: Long Li <longli@microsoft.com>
Subject: [Patch v8 10/16] CIFS: SMBD: Upper layer sends data via RDMA send
Date: Wed, 22 Nov 2017 17:38:43 -0700 [thread overview]
Message-ID: <20171123003849.17093-11-longli@exchange.microsoft.com> (raw)
In-Reply-To: <20171123003849.17093-1-longli@exchange.microsoft.com>
From: Long Li <longli@microsoft.com>
With SMB Direct connected, use it for sending data via RDMA send.
Signed-off-by: Long Li <longli@microsoft.com>
---
fs/cifs/transport.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
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);
--
2.7.4
next prev parent reply other threads:[~2017-11-23 0:38 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-23 0:38 [Patch v8 00/16] CIFS: Implement SMB Direct protocol Long Li
2017-11-23 0:38 ` [Patch v8 01/16] CIFS: SMBD: Upper layer connects to SMBDirect session Long Li
2017-11-23 0:38 ` [Patch v8 02/16] CIFS: SMBD: Implement function to reconnect to a SMB Direct transport Long Li
[not found] ` <20171123003849.17093-3-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2018-01-03 17:51 ` Steve French
2018-01-03 17:51 ` Steve French
[not found] ` <20171123003849.17093-1-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-23 0:38 ` [Patch v8 03/16] CIFS: SMBD: Upper layer reconnects to SMB Direct session Long Li
2017-11-23 0:38 ` Long Li
2017-11-23 0:38 ` [Patch v8 05/16] CIFS: SMBD: Upper layer destroys SMB Direct session on shutdown or umount Long Li
2017-11-23 0:38 ` Long Li
2017-11-23 0:38 ` [Patch v8 09/16] CIFS: SMBD: Implement function to send data via RDMA send Long Li
2017-11-23 0:38 ` Long Li
2017-11-23 0:38 ` [Patch v8 12/16] CIFS: SMBD: Upper layer performs SMB write via RDMA read through memory registration Long Li
2017-11-23 0:38 ` Long Li
2018-01-01 23:28 ` [Patch v8 00/16] CIFS: Implement SMB Direct protocol Ronnie Sahlberg
2017-11-23 0:38 ` [Patch v8 04/16] CIFS: SMBD: Implement function to destroy a SMB Direct connection Long Li
2017-11-23 0:38 ` [Patch v8 06/16] CIFS: SMBD: Set SMB Direct maximum read or write size for I/O Long Li
2017-11-23 0:38 ` [Patch v8 07/16] CIFS: SMBD: Implement function to receive data via RDMA receive Long Li
2017-11-23 0:38 ` [Patch v8 08/16] CIFS: SMBD: Upper layer receives " Long Li
2017-11-23 0:38 ` Long Li [this message]
2017-11-23 0:38 ` [Patch v8 11/16] CIFS: SMBD: Implement RDMA memory registration Long Li
2017-11-23 0:38 ` [Patch v8 13/16] CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O Long Li
2017-11-23 0:38 ` [Patch v8 14/16] CIFS: SMBD: Upper layer performs SMB read via RDMA write through memory registration Long Li
[not found] ` <20171123003849.17093-15-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2018-01-03 21:31 ` Steve French
2017-11-23 0:38 ` [Patch v8 15/16] CIFS: SMBD: Add SMB Direct debug counters Long Li
2017-11-23 0:38 ` [Patch v8 16/16] CIFS: SMBD: Disable signing on SMB direct transport Long Li
2017-12-28 21:57 ` [Patch v8 00/16] CIFS: Implement SMB Direct protocol Pavel Shilovskiy
2017-12-28 21:57 ` Pavel Shilovskiy
2018-01-03 21:39 ` Steve French
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