73 	struct reada_zone	*zones[BTRFS_MAX_MIRRORS];
78 struct reada_zone {  struct
248 static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info,  in reada_find_zone()
253 	struct reada_zone *zone;  in reada_find_zone()
375 		struct reada_zone *zone;  in reada_find_extent()
471 		struct reada_zone *zone;  in reada_find_extent()
510 		struct reada_zone *zone = re->zones[i];  in reada_extent_put()
518 		struct reada_zone *zone = re->zones[i];  in reada_extent_put()
542 	struct reada_zone *zone = container_of(kref, struct reada_zone, refcnt);  in reada_zone_release()
591 static void reada_peer_zones_set_lock(struct reada_zone *zone, int lock)  in reada_peer_zones_set_lock()
597 		struct reada_zone *peer;  in reada_peer_zones_set_lock()
609 	struct reada_zone *top_zone = NULL;  in reada_pick_zone()
610 	struct reada_zone *top_locked_zone = NULL;  in reada_pick_zone()
623 		struct reada_zone *zone;  in reada_pick_zone()
823 			struct reada_zone *zone;  in dump_devs()