/* set up the iterator to start reading from the first line  */
static void* fscache_histogram_start(struct seq_file *m, loff_t *_pos)
/* set up the iterator to start reading from the first line  */
static void* fscache_histogram_start(struct seq_file *m, loff_t *_pos)
{
	if ((unsigned long long)*_pos >= HZ + 2)
		return NULL;
	if (*_pos == 0)
		*_pos = 1;
	return (void *)(unsigned long) *_pos;
}