xref: /linux/drivers/md/md-cluster.h (revision f3539c12d8196ce0a1993364d30b3a18908470d1)
1 
2 
3 #ifndef _MD_CLUSTER_H
4 #define _MD_CLUSTER_H
5 
6 #include "md.h"
7 
8 struct mddev;
9 struct md_rdev;
10 
11 struct md_cluster_operations {
12 	int (*join)(struct mddev *mddev, int nodes);
13 	int (*leave)(struct mddev *mddev);
14 	int (*slot_number)(struct mddev *mddev);
15 	int (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi);
16 	int (*metadata_update_start)(struct mddev *mddev);
17 	int (*metadata_update_finish)(struct mddev *mddev);
18 	void (*metadata_update_cancel)(struct mddev *mddev);
19 	int (*resync_start)(struct mddev *mddev);
20 	int (*resync_finish)(struct mddev *mddev);
21 	int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi);
22 	int (*add_new_disk)(struct mddev *mddev, struct md_rdev *rdev);
23 	void (*add_new_disk_cancel)(struct mddev *mddev);
24 	int (*new_disk_ack)(struct mddev *mddev, bool ack);
25 	int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev);
26 	void (*load_bitmaps)(struct mddev *mddev, int total_slots);
27 	int (*gather_bitmaps)(struct md_rdev *rdev);
28 	int (*lock_all_bitmaps)(struct mddev *mddev);
29 	void (*unlock_all_bitmaps)(struct mddev *mddev);
30 };
31 
32 #endif /* _MD_CLUSTER_H */
33