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 v7 17/22] CIFS: SMBD: Upper layer sends data via RDMA send
Date: Tue, 7 Nov 2017 01:55:09 -0700 [thread overview]
Message-ID: <20171107085514.12693-18-longli@exchange.microsoft.com> (raw)
In-Reply-To: <20171107085514.12693-1-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 7efbab0..bb9ffdd 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:[~2017-11-07 9:04 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-07 8:54 [Patch v7 00/22] CIFS: Implement SMB Direct protocol Long Li
2017-11-07 8:54 ` [Patch v7 01/22] CIFS: SMBD: Add parameter rdata to smb2_new_read_req Long Li
2017-11-16 23:06 ` Pavel Shilovskiy
2017-11-20 5:28 ` Leif Sahlberg
2017-11-07 8:54 ` [Patch v7 02/22] CIFS: SMBD: Introduce kernel config option CONFIG_CIFS_SMB_DIRECT Long Li
2017-11-16 23:08 ` Pavel Shilovskiy
2017-11-20 5:28 ` Leif Sahlberg
2017-11-07 8:54 ` [Patch v7 03/22] CIFS: SMBD: Add rdma mount option Long Li
2017-11-16 23:18 ` Pavel Shilovskiy
2017-11-20 5:30 ` Leif Sahlberg
2017-11-07 8:54 ` [Patch v7 04/22] CIFS: SMBD: Add SMB Direct protocol initial values and constants Long Li
2017-11-20 5:31 ` Leif Sahlberg
2017-11-07 8:54 ` [Patch v7 05/22] CIFS: SMBD: Establish SMB Direct connection Long Li
2017-11-20 1:36 ` ronnie sahlberg
2017-11-20 5:46 ` Leif Sahlberg
2017-11-20 6:07 ` Long Li
2017-11-07 8:54 ` [Patch v7 06/22] CIFS: SMBD: export protocol initial values Long Li
2017-11-20 7:37 ` Leif Sahlberg
2017-11-20 16:55 ` Steve French
2017-11-07 8:54 ` [Patch v7 07/22] CIFS: SMBD: Implement function to create a SMB Direct connection Long Li
2017-11-07 8:55 ` [Patch v7 08/22] CIFS: SMBD: Upper layer connects to SMBDirect session Long Li
2017-11-07 8:55 ` [Patch v7 09/22] CIFS: SMBD: Implement function to reconnect to a SMB Direct transport Long Li
2017-11-07 8:55 ` [Patch v7 10/22] CIFS: SMBD: Upper layer reconnects to SMB Direct session Long Li
2017-11-07 8:55 ` [Patch v7 11/22] CIFS: SMBD: Implement function to destroy a SMB Direct connection Long Li
2017-11-07 8:55 ` [Patch v7 12/22] CIFS: SMBD: Upper layer destroys SMB Direct session on shutdown or umount Long Li
2017-11-07 8:55 ` [Patch v7 13/22] CIFS: SMBD: Set SMB Direct maximum read or write size for I/O Long Li
2017-11-07 8:55 ` [Patch v7 14/22] CIFS: SMBD: Implement function to receive data via RDMA receive Long Li
2017-11-07 8:55 ` [Patch v7 15/22] CIFS: SMBD: Upper layer receives " Long Li
2017-11-07 8:55 ` [Patch v7 16/22] CIFS: SMBD: Implement function to send data via RDMA send Long Li
2017-11-07 8:55 ` Long Li [this message]
2017-11-07 8:55 ` [Patch v7 18/22] CIFS: SMBD: Implement RDMA memory registration Long Li
2017-11-07 8:55 ` [Patch v7 19/22] CIFS: SMBD: Upper layer performs SMB write via RDMA read through " Long Li
2017-11-07 8:55 ` [Patch v7 20/22] CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O Long Li
2017-11-07 8:55 ` [Patch v7 21/22] CIFS: SMBD: Upper layer performs SMB read via RDMA write through memory registration Long Li
2018-09-19 5:59 ` Tom Talpey
2018-09-20 17:01 ` Long Li
2018-09-22 3:56 ` Stefan Metzmacher
2018-09-22 17:16 ` Tom Talpey
2018-09-23 21:24 ` Stefan Metzmacher
2018-09-24 4:00 ` Tom Talpey
2018-09-24 4:07 ` Stefan Metzmacher
2017-11-07 8:55 ` [Patch v7 22/22] CIFS: SMBD: Add SMB Direct debug counters Long Li
2017-11-21 5:16 ` [Patch v7 00/22] CIFS: Implement SMB Direct protocol Steve French
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20171107085514.12693-18-longli@exchange.microsoft.com \
--to=longli@exchange.microsoft.com \
--cc=hch@infradead.org \
--cc=linux-cifs@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=longli@microsoft.com \
--cc=mawilcox@microsoft.com \
--cc=samba-technical@lists.samba.org \
--cc=sfrench@samba.org \
--cc=sthemmin@microsoft.com \
--cc=ttalpey@microsoft.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).