1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #ifndef _MD_CLUSTER_H 5*4882a593Smuzhiyun #define _MD_CLUSTER_H 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #include "md.h" 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun struct mddev; 10*4882a593Smuzhiyun struct md_rdev; 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun struct md_cluster_operations { 13*4882a593Smuzhiyun int (*join)(struct mddev *mddev, int nodes); 14*4882a593Smuzhiyun int (*leave)(struct mddev *mddev); 15*4882a593Smuzhiyun int (*slot_number)(struct mddev *mddev); 16*4882a593Smuzhiyun int (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi); 17*4882a593Smuzhiyun void (*resync_info_get)(struct mddev *mddev, sector_t *lo, sector_t *hi); 18*4882a593Smuzhiyun int (*metadata_update_start)(struct mddev *mddev); 19*4882a593Smuzhiyun int (*metadata_update_finish)(struct mddev *mddev); 20*4882a593Smuzhiyun void (*metadata_update_cancel)(struct mddev *mddev); 21*4882a593Smuzhiyun int (*resync_start)(struct mddev *mddev); 22*4882a593Smuzhiyun int (*resync_finish)(struct mddev *mddev); 23*4882a593Smuzhiyun int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi); 24*4882a593Smuzhiyun int (*add_new_disk)(struct mddev *mddev, struct md_rdev *rdev); 25*4882a593Smuzhiyun void (*add_new_disk_cancel)(struct mddev *mddev); 26*4882a593Smuzhiyun int (*new_disk_ack)(struct mddev *mddev, bool ack); 27*4882a593Smuzhiyun int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev); 28*4882a593Smuzhiyun void (*load_bitmaps)(struct mddev *mddev, int total_slots); 29*4882a593Smuzhiyun int (*gather_bitmaps)(struct md_rdev *rdev); 30*4882a593Smuzhiyun int (*resize_bitmaps)(struct mddev *mddev, sector_t newsize, sector_t oldsize); 31*4882a593Smuzhiyun int (*lock_all_bitmaps)(struct mddev *mddev); 32*4882a593Smuzhiyun void (*unlock_all_bitmaps)(struct mddev *mddev); 33*4882a593Smuzhiyun void (*update_size)(struct mddev *mddev, sector_t old_dev_sectors); 34*4882a593Smuzhiyun }; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #endif /* _MD_CLUSTER_H */ 37