2087 extern struct block_device *bdgrab(struct block_device *bdev);
2093 extern int sync_blockdev(struct block_device *bdev);
2097 extern int thaw_bdev(struct block_device *bdev, struct super_block *sb);
2101 static inline int sync_blockdev(struct block_device *bdev) { return 0; }  in sync_blockdev()  argument
2102 static inline void kill_bdev(struct block_device *bdev) {}  in kill_bdev()  argument
2103 static inline void invalidate_bdev(struct block_device *bdev) {}  in invalidate_bdev()  argument
2110 static inline int thaw_bdev(struct block_device *bdev, struct super_block *sb)  in thaw_bdev()  argument
2127 extern int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder);
2132 extern void blkdev_put(struct block_device *bdev, fmode_t mode);
2134 extern int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk);
2135 extern void bd_unlink_disk_holder(struct block_device *bdev,
2138 static inline int bd_link_disk_holder(struct block_device *bdev,  in bd_link_disk_holder()  argument
2143 static inline void bd_unlink_disk_holder(struct block_device *bdev,  in bd_unlink_disk_holder()  argument
2180 extern const char *bdevname(struct block_device *bdev, char *buffer);
2206 				   struct block_device *bdev);
2497 	struct block_device *bdev, const struct iovec *iov, loff_t offset,
2562 extern struct super_block *get_active_super(struct block_device *bdev);