288 	struct block_device *bdev = bio->bi_bdev;  in brd_make_request()  local
289 	struct brd_device *brd = bdev->bd_disk->private_data;  in brd_make_request()
298 						get_capacity(bdev->bd_disk))  in brd_make_request()
321 static int brd_direct_access (struct block_device *bdev, sector_t sector,  in brd_direct_access()  argument
324 	struct brd_device *brd = bdev->bd_disk->private_data;  in brd_direct_access()
331 	if (sector + PAGE_SECTORS > get_capacity(bdev->bd_disk))  in brd_direct_access()
343 static int brd_ioctl(struct block_device *bdev, fmode_t mode,  in brd_ioctl()  argument
347 	struct brd_device *brd = bdev->bd_disk->private_data;  in brd_ioctl()
356 	mutex_lock(&bdev->bd_mutex);  in brd_ioctl()
358 	if (bdev->bd_openers <= 1) {  in brd_ioctl()
367 		truncate_inode_pages(bdev->bd_inode->i_mapping, 0);  in brd_ioctl()
371 	mutex_unlock(&bdev->bd_mutex);  in brd_ioctl()