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#ifndef _RAID5_H

#define _RAID5_H

#include <linux/md.h>

#include <asm/atomic.h>

struct disk_info {

        kdev_t  dev;

        int     operational;

        int     number;

        int     raid_disk;

};

struct raid5_data {

        struct md_dev           *mddev;

        struct md_thread        *thread;

        struct disk_info        disks[MD_SB_DISKS];

        int                     buffer_size;

        int                     chunk_size, level, algorithm;

        int                     raid_disks, working_disks, failed_disks;

        int                     sector_count;

        unsigned long           next_sector;

        atomic_t                nr_handle;

};

/*

 * Our supported algorithms

 */

#define ALGORITHM_LEFT_ASYMMETRIC       0

#define ALGORITHM_RIGHT_ASYMMETRIC      1

#define ALGORITHM_LEFT_SYMMETRIC        2

#define ALGORITHM_RIGHT_SYMMETRIC       3

#endif