25 #define dev_to_part(device)	container_of((device), struct hd_struct, __dev)
108 struct hd_struct {  struct
163 	struct hd_struct __rcu *last_lookup;
164 	struct hd_struct __rcu *part[];
203 	struct hd_struct part0;
224 static inline struct gendisk *part_to_disk(struct hd_struct *part)  in part_to_disk()
253 static inline dev_t part_devt(struct hd_struct *part)  in part_devt()
258 extern struct hd_struct *__disk_get_part(struct gendisk *disk, int partno);
259 extern struct hd_struct *disk_get_part(struct gendisk *disk, int partno);
261 static inline void disk_put_part(struct hd_struct *part)  in disk_put_part()
277 	struct hd_struct	*part;
284 extern struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter);
287 extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk,
321 static inline void part_stat_set_all(struct hd_struct *part, int value)  in part_stat_set_all()
330 static inline int init_part_stats(struct hd_struct *part)  in init_part_stats()
338 static inline void free_part_stats(struct hd_struct *part)  in free_part_stats()
351 static inline void part_stat_set_all(struct hd_struct *part, int value)  in part_stat_set_all()
356 static inline int init_part_stats(struct hd_struct *part)  in init_part_stats()
361 static inline void free_part_stats(struct hd_struct *part)  in free_part_stats()
401 unsigned int part_in_flight(struct request_queue *q, struct hd_struct *part);
402 void part_in_flight_rw(struct request_queue *q, struct hd_struct *part,
404 void part_dec_in_flight(struct request_queue *q, struct hd_struct *part,
406 void part_inc_in_flight(struct request_queue *q, struct hd_struct *part,
417 static inline void free_part_info(struct hd_struct *part)  in free_part_info()
422 void update_io_ticks(struct hd_struct *part, unsigned long now);
618 extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
627 extern struct hd_struct * __must_check add_partition(struct gendisk *disk,
679 static inline int hd_ref_init(struct hd_struct *part)  in hd_ref_init()
687 static inline void hd_struct_get(struct hd_struct *part)  in hd_struct_get()
692 static inline int hd_struct_try_get(struct hd_struct *part)  in hd_struct_try_get()
697 static inline void hd_struct_put(struct hd_struct *part)  in hd_struct_put()
702 static inline void hd_struct_kill(struct hd_struct *part)  in hd_struct_kill()
707 static inline void hd_free_part(struct hd_struct *part)  in hd_free_part()
723 static inline sector_t part_nr_sects_read(struct hd_struct *part)  in part_nr_sects_read()
750 static inline void part_nr_sects_write(struct hd_struct *part, sector_t size)  in part_nr_sects_write()