[mirror_ubuntu-artful-kernel.git] / include / linux / raid / linear.h

#ifndef _LINEAR_H
#define _LINEAR_H

#include <linux/raid/md.h>

struct dev_info {
	mdk_rdev_t	*rdev;
	sector_t	size;
	sector_t	offset;
};

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		hash_spacing;
	sector_t		array_size;
	int			preshift; /* shift before dividing by hash_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
	4	#include <linux/raid/md.h>
	5
	6	struct dev_info {
	7	mdk_rdev_t *rdev;
	8	sector_t size;
	9	sector_t offset;
	10	};
	11
	12	typedef struct dev_info dev_info_t;
	13
	14	struct linear_private_data
	15	{
7c7546cc	16	struct linear_private_data prev; / earlier version */
1da177e4	17	dev_info_t **hash_table;
15945fee	18	sector_t hash_spacing;
7c7546cc	19	sector_t array_size;
15945fee	20	int preshift; /* shift before dividing by hash_spacing */
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