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 08/16] CIFS: SMBD: Upper layer receives data via RDMA receive
Date: Wed, 22 Nov 2017 17:38:41 -0700 [thread overview]
Message-ID: <20171123003849.17093-9-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 receiving data via RDMA receive.
Signed-off-by: Long Li <longli@microsoft.com>
---
fs/cifs/connect.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index d8bfa89..1677401 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -542,8 +542,10 @@ cifs_readv_from_socket(struct TCP_Server_Info *server, struct msghdr *smb_msg)
if (server_unresponsive(server))
return -ECONNABORTED;
-
- length = sock_recvmsg(server->ssocket, smb_msg, 0);
+ if (cifs_rdma_enabled(server) && server->smbd_conn)
+ length = smbd_recv(server->smbd_conn, smb_msg);
+ else
+ length = sock_recvmsg(server->ssocket, smb_msg, 0);
if (server->tcpStatus == CifsExiting)
return -ESHUTDOWN;
--
2.7.4
next prev parent reply other threads:[~2017-11-23 0:38 UTC|newest]
Thread overview: 22+ 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
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 ` Long Li [this message]
[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 ` [Patch v8 05/16] CIFS: SMBD: Upper layer destroys SMB Direct session on shutdown or umount 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 ` [Patch v8 12/16] CIFS: SMBD: Upper layer performs SMB write via RDMA read through memory registration 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 10/16] CIFS: SMBD: Upper layer sends data via RDMA send Long Li
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
2018-01-03 21:39 ` 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=20171123003849.17093-9-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