#ifndef _LINEAR_H#define _LINEAR_H#include <linux/raid/md.h>struct dev_info {	mdk_rdev_t	*rdev;	unsigned long	size;	unsigned long	offset;};typedef struct dev_info dev_info_t;struct linear_hash{	dev_info_t *dev0, *dev1;};struct linear_private_data{	struct linear_hash	*hash_table;	dev_info_t		*smallest;	int			nr_zones;	dev_info_t		disks[0];};typedef struct linear_private_data linear_conf_t;#define mddev_to_conf(mddev) ((linear_conf_t *) mddev->private)#endif