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#ifndef _RAID1_H

#define _RAID1_H

#include <linux/md.h>

struct mirror_info {

        int             number;

        int             raid_disk;

        kdev_t          dev;

        int             operational;

        int             next;

        int             sect_limit;

};

struct raid1_data {

        struct md_dev *mddev;

        struct mirror_info mirrors[MD_SB_DISKS];        /* RAID1 devices, 2 to MD_SB_DISKS */

        int raid_disks;

        int working_disks;                      /* Number of working disks */

        int last_used;

        unsigned long   next_sect;

        int             sect_count;

};

/*

 * this is our 'private' 'collective' RAID1 buffer head.

 * it contains information about what kind of IO operations were started

 * for this RAID5 operation, and about their status:

 */

struct raid1_bh {

        unsigned int remaining;

        unsigned int state;

        int cmd;

        struct md_dev *mddev;                    /* we could use bh->personality? */

        struct buffer_head *master_bh;

        struct buffer_head *mirror_bh [MD_SB_DISKS];

        struct buffer_head *next_retry;

};

#endif