|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  |  | 
|  |  | 
|  | #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); | 
|  | int (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi); | 
|  | void (*resync_info_get)(struct mddev *mddev, sector_t *lo, sector_t *hi); | 
|  | int (*metadata_update_start)(struct mddev *mddev); | 
|  | int (*metadata_update_finish)(struct mddev *mddev); | 
|  | void (*metadata_update_cancel)(struct mddev *mddev); | 
|  | int (*resync_start)(struct mddev *mddev); | 
|  | int (*resync_finish)(struct mddev *mddev); | 
|  | int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi); | 
|  | int (*add_new_disk)(struct mddev *mddev, struct md_rdev *rdev); | 
|  | void (*add_new_disk_cancel)(struct mddev *mddev); | 
|  | int (*new_disk_ack)(struct mddev *mddev, bool ack); | 
|  | int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev); | 
|  | void (*load_bitmaps)(struct mddev *mddev, int total_slots); | 
|  | int (*gather_bitmaps)(struct md_rdev *rdev); | 
|  | int (*resize_bitmaps)(struct mddev *mddev, sector_t newsize, sector_t oldsize); | 
|  | int (*lock_all_bitmaps)(struct mddev *mddev); | 
|  | void (*unlock_all_bitmaps)(struct mddev *mddev); | 
|  | void (*update_size)(struct mddev *mddev, sector_t old_dev_sectors); | 
|  | }; | 
|  |  | 
|  | #endif /* _MD_CLUSTER_H */ |