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 9 struct mddev; 10 struct md_rdev; 11 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 void (*resync_info_get)(struct mddev *mddev, sector_t *lo, sector_t *hi); 18 int (*metadata_update_start)(struct mddev *mddev); 19 int (*metadata_update_finish)(struct mddev *mddev); 20 void (*metadata_update_cancel)(struct mddev *mddev); 21 int (*resync_start)(struct mddev *mddev); 22 int (*resync_finish)(struct mddev *mddev); 23 int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi); 24 int (*add_new_disk)(struct mddev *mddev, struct md_rdev *rdev); 25 void (*add_new_disk_cancel)(struct mddev *mddev); 26 int (*new_disk_ack)(struct mddev *mddev, bool ack); 27 int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev); 28 void (*load_bitmaps)(struct mddev *mddev, int total_slots); 29 int (*gather_bitmaps)(struct md_rdev *rdev); 30 int (*resize_bitmaps)(struct mddev *mddev, sector_t newsize, sector_t oldsize); 31 int (*lock_all_bitmaps)(struct mddev *mddev); 32 void (*unlock_all_bitmaps)(struct mddev *mddev); 33 void (*update_size)(struct mddev *mddev, sector_t old_dev_sectors); 34 }; 35 36 #endif /* _MD_CLUSTER_H */ 37