CIFS: Add tree connect/disconnect capability for SMB2

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 0057861..0e33ca3 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -172,6 +172,8 @@
 	.negotiate = smb2_negotiate,
 	.sess_setup = SMB2_sess_setup,
 	.logoff = SMB2_logoff,
+	.tree_connect = SMB2_tcon,
+	.tree_disconnect = SMB2_tdis,
 };
 
 struct smb_version_values smb21_values = {