md-cluster.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2
 3
 4#ifndef _MD_CLUSTER_H
 5#define _MD_CLUSTER_H
 6
 7#include "md.h"
 8
 9struct mddev;
10struct md_rdev;
11
12struct md_cluster_operations {
13	struct md_submodule_head head;
14
15	int (*join)(struct mddev *mddev, int nodes);
16	int (*leave)(struct mddev *mddev);
17	int (*slot_number)(struct mddev *mddev);
18	int (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi);
19	int (*resync_start_notify)(struct mddev *mddev);
20	int (*resync_status_get)(struct mddev *mddev);
21	void (*resync_info_get)(struct mddev *mddev, sector_t *lo, sector_t *hi);
22	int (*metadata_update_start)(struct mddev *mddev);
23	int (*metadata_update_finish)(struct mddev *mddev);
24	void (*metadata_update_cancel)(struct mddev *mddev);
25	int (*resync_start)(struct mddev *mddev);
26	int (*resync_finish)(struct mddev *mddev);
27	int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi);
28	int (*add_new_disk)(struct mddev *mddev, struct md_rdev *rdev);
29	void (*add_new_disk_cancel)(struct mddev *mddev);
30	int (*new_disk_ack)(struct mddev *mddev, bool ack);
31	int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev);
32	void (*load_bitmaps)(struct mddev *mddev, int total_slots);
33	int (*gather_bitmaps)(struct md_rdev *rdev);
34	int (*resize_bitmaps)(struct mddev *mddev, sector_t newsize, sector_t oldsize);
35	int (*lock_all_bitmaps)(struct mddev *mddev);
36	void (*unlock_all_bitmaps)(struct mddev *mddev);
37	void (*update_size)(struct mddev *mddev, sector_t old_dev_sectors);
38};
39
40extern int md_setup_cluster(struct mddev *mddev, int nodes);
41extern void md_cluster_stop(struct mddev *mddev);
42extern void md_reload_sb(struct mddev *mddev, int raid_disk);
43
44#endif /* _MD_CLUSTER_H */