--- zzzz-none-000/linux-3.10.107/include/linux/libata.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/linux/libata.h	2021-11-10 11:53:56.000000000 +0000
@@ -555,7 +555,6 @@
 	struct device 		*dev;
 	void __iomem * const	*iomap;
 	unsigned int		n_ports;
-	unsigned int		n_tags;			/* nr of NCQ tags */
 	void			*private_data;
 	struct ata_port_operations *ops;
 	unsigned long		flags;