745 struct heuristic_ws {  struct
758 	struct heuristic_ws *workspace;  in free_heuristic_ws()  argument
760 	workspace = list_entry(ws, struct heuristic_ws, list);  in free_heuristic_ws()
770 	struct heuristic_ws *ws;  in alloc_heuristic_ws()
1261 static u32 shannon_entropy(struct heuristic_ws *ws)  in shannon_entropy()
1397 static int byte_core_set_size(struct heuristic_ws *ws)  in byte_core_set_size()
1435 static u32 byte_set_size(const struct heuristic_ws *ws)  in byte_set_size()
1461 static bool sample_repeated_patterns(struct heuristic_ws *ws)  in sample_repeated_patterns()
1470 				     struct heuristic_ws *ws)  in heuristic_collect_sample()
1539 	struct heuristic_ws *ws;  in btrfs_compress_heuristic()
1544 	ws = list_entry(ws_list, struct heuristic_ws, list);  in btrfs_compress_heuristic()