aboutsummaryrefslogblamecommitdiffstats
path: root/drivers/md/linear.h
blob: bf8179587f950b2ace4eba54a73abaf4960463ab (plain) (tree)
1
2
3
4
5
6
7


                 

                              

                                     





                                   
                                                                     
                                             
                                        
                                              


                                                                        








                                                               
#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