2069 extern struct block_device *bdgrab(struct block_device *bdev);
2071 extern sector_t blkdev_max_block(struct block_device *bdev);
2075 extern int sync_blockdev(struct block_device *bdev);
2079 extern int thaw_bdev(struct block_device *bdev, struct super_block *sb);
2083 static inline int sync_blockdev(struct block_device *bdev) { return 0; }  in sync_blockdev()  argument
2084 static inline void kill_bdev(struct block_device *bdev) {}  in kill_bdev()  argument
2085 static inline void invalidate_bdev(struct block_device *bdev) {}  in invalidate_bdev()  argument
2092 static inline int thaw_bdev(struct block_device *bdev, struct super_block *sb)  in thaw_bdev()  argument
2106 extern int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder);
2111 extern int blkdev_put(struct block_device *bdev, fmode_t mode);
2113 extern int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk);
2114 extern void bd_unlink_disk_holder(struct block_device *bdev,
2117 static inline int bd_link_disk_holder(struct block_device *bdev,  in bd_link_disk_holder()  argument
2122 static inline void bd_unlink_disk_holder(struct block_device *bdev,  in bd_unlink_disk_holder()  argument
2159 extern const char *bdevname(struct block_device *bdev, char *buffer);
2189 				   struct block_device *bdev);
2457 	struct block_device *bdev, const struct iovec *iov, loff_t offset,
2519 extern struct super_block *get_active_super(struct block_device *bdev);