static ssize_t io_import_iovec(int rw, struct io_kiocb *req,
			       struct iovec **iovec, struct iov_iter *iter,
			       bool needs_lock)
{
	if (!req->io)
		return __io_import_iovec(rw, req, iovec, iter, needs_lock);
	*iovec = NULL;
	return iov_iter_count(&req->io->rw.iter);
}
static ssize_t io_import_iovec(int rw, struct io_kiocb *req,
			       struct iovec **iovec, struct iov_iter *iter,
			       bool needs_lock)
{
	if (!req->io)
		return __io_import_iovec(rw, req, iovec, iter, needs_lock);
	*iovec = NULL;
	return iov_iter_count(&req->io->rw.iter);
}