From 8339dd32fbad71834d61b9103e8884ada9bf3e1c Mon Sep 17 00:00:00 2001
From: Long Li <longli@microsoft.com>
Date: Tue, 7 Nov 2017 01:54:55 -0700
Subject: CIFS: SMBD: Add rdma mount option

Add "rdma" to CIFS mount options to connect to SMB Direct.
Add checks to validate this is used on SMB 3.X dialects.

To connect to SMBDirect, use "mount.cifs -o rdma,vers=3.x".
At the time of this patch, 3.x can be 3.0, 3.02 or 3.1.1.

Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Acked-by: Ronnie Sahlberg <lsahlber.redhat.com>
---
 fs/cifs/cifsfs.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fs/cifs/cifsfs.c')

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 31b7565b1617..801b63b7900f 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -327,6 +327,8 @@ cifs_show_address(struct seq_file *s, struct TCP_Server_Info *server)
 	default:
 		seq_puts(s, "(unknown)");
 	}
+	if (server->rdma)
+		seq_puts(s, ",rdma");
 }
 
 static void
-- 
cgit v1.2.3