/* Submit IO for the read-ahead request in file_ra_state.  */
unsigned long ra_submit(struct file_ra_state *ra, struct address_space *mapping, struct file *filp)
/* Submit IO for the read-ahead request in file_ra_state.  */
unsigned long ra_submit(struct file_ra_state *ra, struct address_space *mapping, struct file *filp)
{
	int actual;
	actual = __do_page_cache_readahead(mapping, filp,
					ra->start, ra->size, ra->async_size);
	return actual;
}