/* set up the iterator to start reading from the cells list and return the first item  */
static void * afs_proc_cells_start(struct seq_file *p, loff_t *pos)
/* set up the iterator to start reading from the cells list and return the first item  */
static void * afs_proc_cells_start(struct seq_file *p, loff_t *pos)
{
	down_read(&afs_proc_cells_sem);
	return seq_list_start_head(&afs_proc_cells, *_pos);
}