20 #define dev_to_part(device)	container_of((device), struct hd_struct, __dev)
102 struct hd_struct {  struct
159 	struct hd_struct __rcu *last_lookup;
160 	struct hd_struct __rcu *part[];
186 	struct hd_struct part0;
205 static inline struct gendisk *part_to_disk(struct hd_struct *part)  in part_to_disk()
258 static inline dev_t part_devt(struct hd_struct *part)  in part_devt()
263 extern struct hd_struct *disk_get_part(struct gendisk *disk, int partno);
265 static inline void disk_put_part(struct hd_struct *part)  in disk_put_part()
281 	struct hd_struct	*part;
288 extern struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter);
291 extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk,
322 static inline void part_stat_set_all(struct hd_struct *part, int value)  in part_stat_set_all()
331 static inline int init_part_stats(struct hd_struct *part)  in init_part_stats()
339 static inline void free_part_stats(struct hd_struct *part)  in free_part_stats()
353 static inline void part_stat_set_all(struct hd_struct *part, int value)  in part_stat_set_all()
358 static inline int init_part_stats(struct hd_struct *part)  in init_part_stats()
363 static inline void free_part_stats(struct hd_struct *part)  in free_part_stats()
383 static inline void part_inc_in_flight(struct hd_struct *part, int rw)  in part_inc_in_flight()
390 static inline void part_dec_in_flight(struct hd_struct *part, int rw)  in part_dec_in_flight()
397 static inline int part_in_flight(struct hd_struct *part)  in part_in_flight()
410 static inline void free_part_info(struct hd_struct *part)  in free_part_info()
416 extern void part_round_stats(int cpu, struct hd_struct *part);
601 extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
609 extern struct hd_struct * __must_check add_partition(struct gendisk *disk,
614 extern void __delete_partition(struct hd_struct *);
643 static inline void hd_ref_init(struct hd_struct *part)  in hd_ref_init()
649 static inline void hd_struct_get(struct hd_struct *part)  in hd_struct_get()
655 static inline int hd_struct_try_get(struct hd_struct *part)  in hd_struct_try_get()
660 static inline void hd_struct_put(struct hd_struct *part)  in hd_struct_put()
675 static inline sector_t part_nr_sects_read(struct hd_struct *part)  in part_nr_sects_read()
702 static inline void part_nr_sects_write(struct hd_struct *part, sector_t size)  in part_nr_sects_write()