block: move the *blkdev_ioctl declarations out of blkdev.h

These are only used inside of block/.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211012104450.659013-3-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

block/blk.h

@@ -405,6 +405,10 @@ static inline void bio_clear_hipri(struct bio *bio)
 	bio->bi_opf &= ~REQ_HIPRI;
 }
 
+int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
+		unsigned long arg);
+long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg);
+
 extern const struct address_space_operations def_blk_aops;
 
 #endif /* BLK_INTERNAL_H */

include/linux/genhd.h

@@ -281,10 +281,6 @@ bool bdev_check_media_change(struct block_device *bdev);
 int __invalidate_device(struct block_device *bdev, bool kill_dirty);
 void set_capacity(struct gendisk *disk, sector_t size);
 
-/* for drivers/char/raw.c: */
-int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long);
-long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
-
 #ifdef CONFIG_BLOCK_HOLDER_DEPRECATED
 int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk);
 void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk);