summaryrefslogtreecommitdiffstats
path: root/drivers/md/linear.h
blob: f38b9c586afbc38c2a3187ac479735b14ad5fffb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
#ifndef _LINEAR_H
#define _LINEAR_H

#include <linux/raid/md.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
OpenPOWER on IntegriCloud