CIFS: Move echo code to osp struct

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 5e4d1c5..0c53a83 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -234,6 +234,10 @@
 	/* build a full path to the root of the mount */
 	char * (*build_path_to_root)(struct smb_vol *, struct cifs_sb_info *,
 				     struct cifs_tcon *);
+	/* check if we can send an echo or nor */
+	bool (*can_echo)(struct TCP_Server_Info *);
+	/* send echo request */
+	int (*echo)(struct TCP_Server_Info *);
 };
 
 struct smb_version_values {