74 	struct reada_zone	*zones[BTRFS_MAX_MIRRORS];
79 struct reada_zone {  struct
249 static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info,  in reada_find_zone()
254 	struct reada_zone *zone;  in reada_find_zone()
374 		struct reada_zone *zone;  in reada_find_extent()
465 		struct reada_zone *zone;  in reada_find_extent()
504 		struct reada_zone *zone = re->zones[i];  in reada_extent_put()
512 		struct reada_zone *zone = re->zones[i];  in reada_extent_put()
536 	struct reada_zone *zone = container_of(kref, struct reada_zone, refcnt);  in reada_zone_release()
585 static void reada_peer_zones_set_lock(struct reada_zone *zone, int lock)  in reada_peer_zones_set_lock()
591 		struct reada_zone *peer;  in reada_peer_zones_set_lock()
603 	struct reada_zone *top_zone = NULL;  in reada_pick_zone()
604 	struct reada_zone *top_locked_zone = NULL;  in reada_pick_zone()
617 		struct reada_zone *zone;  in reada_pick_zone()
818 			struct reada_zone *zone;  in dump_devs()