159 blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)  in blkdev_direct_IO()  argument
161 	struct file *file = iocb->ki_filp;  in blkdev_direct_IO()
165 		return dax_do_io(iocb, inode, iter, offset, blkdev_get_block,  in blkdev_direct_IO()
167 	return __blockdev_direct_IO(iocb, inode, I_BDEV(inode), iter, offset,  in blkdev_direct_IO()
1647 ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)  in blkdev_write_iter()  argument
1649 	struct file *file = iocb->ki_filp;  in blkdev_write_iter()
1661 	if (iocb->ki_pos >= size)  in blkdev_write_iter()
1664 	iov_iter_truncate(from, size - iocb->ki_pos);  in blkdev_write_iter()
1667 	ret = __generic_file_write_iter(iocb, from);  in blkdev_write_iter()
1670 		err = generic_write_sync(file, iocb->ki_pos - ret, ret);  in blkdev_write_iter()
1679 ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to)  in blkdev_read_iter()  argument
1681 	struct file *file = iocb->ki_filp;  in blkdev_read_iter()
1684 	loff_t pos = iocb->ki_pos;  in blkdev_read_iter()
1691 	return generic_file_read_iter(iocb, to);  in blkdev_read_iter()