|  |  | 
|  |  | 
|  | #ifndef _MD_CLUSTER_H | 
|  | #define _MD_CLUSTER_H | 
|  |  | 
|  | #include "md.h" | 
|  |  | 
|  | struct mddev; | 
|  | struct md_rdev; | 
|  |  | 
|  | struct md_cluster_operations { | 
|  | int (*join)(struct mddev *mddev, int nodes); | 
|  | int (*leave)(struct mddev *mddev); | 
|  | int (*slot_number)(struct mddev *mddev); | 
|  | void (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi); | 
|  | int (*resync_start)(struct mddev *mddev, sector_t lo, sector_t hi); | 
|  | void (*resync_finish)(struct mddev *mddev); | 
|  | int (*metadata_update_start)(struct mddev *mddev); | 
|  | int (*metadata_update_finish)(struct mddev *mddev); | 
|  | int (*metadata_update_cancel)(struct mddev *mddev); | 
|  | int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi); | 
|  | int (*add_new_disk_start)(struct mddev *mddev, struct md_rdev *rdev); | 
|  | int (*add_new_disk_finish)(struct mddev *mddev); | 
|  | int (*new_disk_ack)(struct mddev *mddev, bool ack); | 
|  | int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev); | 
|  | int (*gather_bitmaps)(struct md_rdev *rdev); | 
|  | }; | 
|  |  | 
|  | #endif /* _MD_CLUSTER_H */ |