CIFS: Store lease state itself rather than a mapped oplock value

and separate smb20_operations struct.

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 688f48e..a279ffc 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1116,7 +1116,7 @@
 		break;
 #ifdef CONFIG_CIFS_SMB2
 	case Smb_20:
-		vol->ops = &smb21_operations; /* currently identical with 2.1 */
+		vol->ops = &smb20_operations;
 		vol->vals = &smb20_values;
 		break;
 	case Smb_21: