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authorLong Li <longli@microsoft.com>2017-11-23 01:38:43 +0100
committerSteve French <smfrench@gmail.com>2018-01-25 02:49:06 +0100
commit9762c2d080926b7c292cb7c64ca6030e88d6a6e4 (patch)
tree37f965f8bd99c91a184e319f1b5f0f7ee86dcddc /fs
parentCIFS: SMBD: Implement function to send data via RDMA send (diff)
downloadlinux-9762c2d080926b7c292cb7c64ca6030e88d6a6e4.tar.xz
linux-9762c2d080926b7c292cb7c64ca6030e88d6a6e4.zip
CIFS: SMBD: Upper layer sends data via RDMA send
With SMB Direct connected, use it for sending data via RDMA send. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/transport.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 510f41a435c8..9779b3292d8e 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"
/* Max number of iovectors we can use off the stack when sending requests. */
#define CIFS_MAX_IOV_SIZE 8
@@ -232,7 +233,10 @@ __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;
@@ -301,7 +305,7 @@ uncork:
*/
server->tcpStatus = CifsNeedReconnect;
}
-
+smbd_done:
if (rc < 0 && rc != -EINTR)
cifs_dbg(VFS, "Error %d sending data on socket to server\n",
rc);