ocfs2_slot_to_node_num_locked
if (ocfs2_slot_to_node_num_locked(osb, i, &node_num) == -ENOENT)
status = ocfs2_slot_to_node_num_locked(osb, i, &node_num);
int ocfs2_slot_to_node_num_locked(struct ocfs2_super *osb, int slot_num,