328 	struct block_device *bdev = bio->bi_bdev;  in brd_make_request()  local
329 	struct brd_device *brd = bdev->bd_disk->private_data;  in brd_make_request()
337 	if (bio_end_sector(bio) > get_capacity(bdev->bd_disk))  in brd_make_request()
363 static int brd_rw_page(struct block_device *bdev, sector_t sector,  in brd_rw_page()  argument
366 	struct brd_device *brd = bdev->bd_disk->private_data;  in brd_rw_page()
373 static long brd_direct_access(struct block_device *bdev, sector_t sector,  in brd_direct_access()  argument
376 	struct brd_device *brd = bdev->bd_disk->private_data;  in brd_direct_access()
397 static int brd_ioctl(struct block_device *bdev, fmode_t mode,  in brd_ioctl()  argument
401 	struct brd_device *brd = bdev->bd_disk->private_data;  in brd_ioctl()
411 	mutex_lock(&bdev->bd_mutex);  in brd_ioctl()
413 	if (bdev->bd_openers <= 1) {  in brd_ioctl()
421 		kill_bdev(bdev);  in brd_ioctl()
425 	mutex_unlock(&bdev->bd_mutex);  in brd_ioctl()