137 	struct block_device *part0;
331 int blkdev_report_zones(struct block_device *bdev, sector_t sector,
333 unsigned int bdev_nr_zones(struct block_device *bdev);
334 extern int blkdev_zone_mgmt(struct block_device *bdev, enum req_op op,
340 extern int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode,
342 extern int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode,
347 static inline unsigned int bdev_nr_zones(struct block_device *bdev)  in bdev_nr_zones()
352 static inline int blkdev_report_zones_ioctl(struct block_device *bdev,  in blkdev_report_zones_ioctl()
359 static inline int blkdev_zone_mgmt_ioctl(struct block_device *bdev,  in blkdev_zone_mgmt_ioctl()
703 static inline unsigned int bdev_max_open_zones(struct block_device *bdev)  in bdev_max_open_zones()
708 static inline unsigned int bdev_max_active_zones(struct block_device *bdev)  in bdev_max_active_zones()
726 static inline unsigned int bdev_max_open_zones(struct block_device *bdev)  in bdev_max_open_zones()
731 static inline unsigned int bdev_max_active_zones(struct block_device *bdev)  in bdev_max_active_zones()
772 static inline int bdev_read_only(struct block_device *bdev)  in bdev_read_only()
783 static inline sector_t get_start_sect(struct block_device *bdev)  in get_start_sect()
788 static inline sector_t bdev_nr_sectors(struct block_device *bdev)  in bdev_nr_sectors()
793 static inline loff_t bdev_nr_bytes(struct block_device *bdev)  in bdev_nr_bytes()
836 bool bdev_check_media_change(struct block_device *bdev);
837 int __invalidate_device(struct block_device *bdev, bool kill_dirty);
841 int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk);
842 void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk);
845 static inline int bd_link_disk_holder(struct block_device *bdev,  in bd_link_disk_holder()
850 static inline void bd_unlink_disk_holder(struct block_device *bdev,  in bd_unlink_disk_holder()
889 static inline struct request_queue *bdev_get_queue(struct block_device *bdev)  in bdev_get_queue()
951 extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
1030 int blkdev_issue_flush(struct block_device *bdev);
1053 static inline int blkdev_issue_flush(struct block_device *bdev)  in blkdev_issue_flush()
1066 int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
1068 int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
1070 int blkdev_issue_secure_erase(struct block_device *bdev, sector_t sector,
1076 extern int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
1079 extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
1103 static inline bool bdev_is_partition(struct block_device *bdev)  in bdev_is_partition()
1165 bdev_max_zone_append_sectors(struct block_device *bdev)  in bdev_max_zone_append_sectors()
1170 static inline unsigned int bdev_max_segments(struct block_device *bdev)  in bdev_max_segments()
1185 static inline unsigned int bdev_logical_block_size(struct block_device *bdev)  in bdev_logical_block_size()
1195 static inline unsigned int bdev_physical_block_size(struct block_device *bdev)  in bdev_physical_block_size()
1205 static inline int bdev_io_min(struct block_device *bdev)  in bdev_io_min()
1215 static inline int bdev_io_opt(struct block_device *bdev)  in bdev_io_opt()
1227 bdev_zone_write_granularity(struct block_device *bdev)  in bdev_zone_write_granularity()
1232 int bdev_alignment_offset(struct block_device *bdev);
1233 unsigned int bdev_discard_alignment(struct block_device *bdev);
1235 static inline unsigned int bdev_max_discard_sectors(struct block_device *bdev)  in bdev_max_discard_sectors()
1240 static inline unsigned int bdev_discard_granularity(struct block_device *bdev)  in bdev_discard_granularity()
1246 bdev_max_secure_erase_sectors(struct block_device *bdev)  in bdev_max_secure_erase_sectors()
1251 static inline unsigned int bdev_write_zeroes_sectors(struct block_device *bdev)  in bdev_write_zeroes_sectors()
1261 static inline bool bdev_nonrot(struct block_device *bdev)  in bdev_nonrot()
1266 static inline bool bdev_stable_writes(struct block_device *bdev)  in bdev_stable_writes()
1272 static inline bool bdev_write_cache(struct block_device *bdev)  in bdev_write_cache()
1277 static inline bool bdev_fua(struct block_device *bdev)  in bdev_fua()
1282 static inline bool bdev_nowait(struct block_device *bdev)  in bdev_nowait()
1287 static inline enum blk_zoned_model bdev_zoned_model(struct block_device *bdev)  in bdev_zoned_model()
1297 static inline bool bdev_is_zoned(struct block_device *bdev)  in bdev_is_zoned()
1307 static inline bool bdev_op_is_zoned_write(struct block_device *bdev,  in bdev_op_is_zoned_write()
1316 static inline sector_t bdev_zone_sectors(struct block_device *bdev)  in bdev_zone_sectors()
1330 static inline unsigned int bdev_dma_alignment(struct block_device *bdev)  in bdev_dma_alignment()
1335 static inline bool bdev_iter_is_aligned(struct block_device *bdev,  in bdev_iter_is_aligned()
1360 static inline unsigned int block_size(struct block_device *bdev)  in block_size()
1401 	int (*open) (struct block_device *, fmode_t);
1403 	int (*rw_page)(struct block_device *, sector_t, struct page *, enum req_op);
1404 	int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
1405 	int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
1409 	int (*getgeo)(struct block_device *, struct hd_geometry *);
1410 	int (*set_read_only)(struct block_device *bdev, bool ro);
1413 	void (*swap_slot_free_notify) (struct block_device *, unsigned long);
1432 extern int blkdev_compat_ptr_ioctl(struct block_device *, fmode_t,
1438 extern int bdev_read_page(struct block_device *, sector_t, struct page *);
1439 extern int bdev_write_page(struct block_device *, sector_t, struct page *,
1455 unsigned long bdev_start_io_acct(struct block_device *bdev,
1458 void bdev_end_io_acct(struct block_device *bdev, enum req_op op,
1464 		struct block_device *orig_bdev);
1476 int bdev_read_only(struct block_device *bdev);
1477 int set_blocksize(struct block_device *bdev, int size);
1491 struct block_device *blkdev_get_by_path(const char *path, fmode_t mode,
1493 struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder);
1494 int bd_prepare_to_claim(struct block_device *bdev, void *holder);
1495 void bd_abort_claiming(struct block_device *bdev, void *holder);
1496 void blkdev_put(struct block_device *bdev, fmode_t mode);
1499 struct block_device *blkdev_get_no_open(dev_t dev);
1500 void blkdev_put_no_open(struct block_device *bdev);
1502 struct block_device *bdev_alloc(struct gendisk *disk, u8 partno);
1503 void bdev_add(struct block_device *bdev, dev_t dev);
1504 struct block_device *I_BDEV(struct inode *inode);
1505 int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart,
1509 void invalidate_bdev(struct block_device *bdev);
1510 int sync_blockdev(struct block_device *bdev);
1511 int sync_blockdev_range(struct block_device *bdev, loff_t lstart, loff_t lend);
1512 int sync_blockdev_nowait(struct block_device *bdev);
1517 static inline void invalidate_bdev(struct block_device *bdev)  in invalidate_bdev()
1520 static inline int sync_blockdev(struct block_device *bdev)  in sync_blockdev()
1524 static inline int sync_blockdev_nowait(struct block_device *bdev)  in sync_blockdev_nowait()
1539 int fsync_bdev(struct block_device *bdev);
1541 int freeze_bdev(struct block_device *bdev);
1542 int thaw_bdev(struct block_device *bdev);