[deliverable/linux.git] / drivers / md / linear.h

#ifndef _LINEAR_H
#define _LINEAR_H

struct dev_info {
	mdk_rdev_t	*rdev;
	sector_t	num_sectors;
	sector_t	start_sector;
};

typedef struct dev_info dev_info_t;

struct linear_private_data
{
	struct linear_private_data *prev;	/* earlier version */
	dev_info_t		**hash_table;
	sector_t		spacing;
	sector_t		array_sectors;
	int			sector_shift;	/* shift before dividing
						 * by spacing
						 */
	dev_info_t		disks[0];
};


typedef struct linear_private_data linear_conf_t;

#define mddev_to_conf(mddev) ((linear_conf_t *) mddev->private)

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINEAR_H
	2	#define _LINEAR_H
	3
1da177e4 LT	4	struct dev_info {
1da177e4 LT	5	mdk_rdev_t *rdev;
6283815d AN	6	sector_t num_sectors;
6283815d AN	7	sector_t start_sector;
1da177e4 LT	8	};
	9
	10	typedef struct dev_info dev_info_t;
	11
	12	struct linear_private_data
	13	{
7c7546cc	14	struct linear_private_data prev; / earlier version */
1da177e4	15	dev_info_t **hash_table;
ab5bd5cb	16	sector_t spacing;
d6e22150	17	sector_t array_sectors;
ab5bd5cb AN	18	int sector_shift; /* shift before dividing
	19	* by spacing
	20	*/
1da177e4 LT	21	dev_info_t disks[0];
	22	};
	23
	24
	25	typedef struct linear_private_data linear_conf_t;
	26
	27	#define mddev_to_conf(mddev) ((linear_conf_t *) mddev->private)
	28
	29	#endif