Linux 4.19-rc7
[linux-2.6/btrfs-unstable.git] / drivers / md / md-cluster.h
blobc0240708f44332c3fbb8e37f32bbd3bd84eef926
1 /* SPDX-License-Identifier: GPL-2.0 */
4 #ifndef _MD_CLUSTER_H
5 #define _MD_CLUSTER_H
7 #include "md.h"
9 struct mddev;
10 struct md_rdev;
12 struct md_cluster_operations {
13 int (*join)(struct mddev *mddev, int nodes);
14 int (*leave)(struct mddev *mddev);
15 int (*slot_number)(struct mddev *mddev);
16 int (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi);
17 int (*metadata_update_start)(struct mddev *mddev);
18 int (*metadata_update_finish)(struct mddev *mddev);
19 void (*metadata_update_cancel)(struct mddev *mddev);
20 int (*resync_start)(struct mddev *mddev);
21 int (*resync_finish)(struct mddev *mddev);
22 int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi);
23 int (*add_new_disk)(struct mddev *mddev, struct md_rdev *rdev);
24 void (*add_new_disk_cancel)(struct mddev *mddev);
25 int (*new_disk_ack)(struct mddev *mddev, bool ack);
26 int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev);
27 void (*load_bitmaps)(struct mddev *mddev, int total_slots);
28 int (*gather_bitmaps)(struct md_rdev *rdev);
29 int (*lock_all_bitmaps)(struct mddev *mddev);
30 void (*unlock_all_bitmaps)(struct mddev *mddev);
31 void (*update_size)(struct mddev *mddev, sector_t old_dev_sectors);
34 #endif /* _MD_CLUSTER_H */