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|---|---|
| From | Long Li <longli@exchange.microsoft.com> |
| Newsgroups | linux.kernel |
| Subject | [Patch v4 15/22] CIFS: SMBD: Upper layer sends data via RDMA send |
| Date | Mon, 02 Oct 2017 04:40:03 +0200 |
| Message-ID | <uvYOf-1FS-41@gated-at.bofh.it> (permalink) |
| References | <uvYOd-1FS-3@gated-at.bofh.it> |
| X-Original-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> |
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| X-Original-Cc | Long Li <longli@microsoft.com> |
| X-Original-Date | Sun, 1 Oct 2017 19:30:23 -0700 |
| X-Original-Message-ID | <20171002023030.3582-16-longli@exchange.microsoft.com> |
| X-Original-References | <20171002023030.3582-1-longli@exchange.microsoft.com> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1742945 |
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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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[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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