94 	parent = READ_ONCE(node->back_pointer); /* Address dependency. */  in assoc_array_subtree_iterate()
102 		parent = READ_ONCE(shortcut->back_pointer); /* Address dependency. */  in assoc_array_subtree_iterate()
369 		BUG_ON(shortcut->back_pointer != parent);  in assoc_array_destroy_subtree()
379 	BUG_ON(node->back_pointer != parent);  in assoc_array_destroy_subtree()
384 	pr_devel("Node %p [back=%p]\n", node, node->back_pointer);  in assoc_array_destroy_subtree()
401 	parent = node->back_pointer;  in assoc_array_destroy_subtree()
414 		parent = shortcut->back_pointer;  in assoc_array_destroy_subtree()
618 	new_n0->back_pointer = node->back_pointer;  in assoc_array_insert_into_terminal_node()
620 	new_n1->back_pointer = assoc_array_node_to_ptr(new_n0);  in assoc_array_insert_into_terminal_node()
698 				edit->set_backpointers[i] = &side->back_pointer;  in assoc_array_insert_into_terminal_node()
701 				edit->set_backpointers[i] = &shortcut->back_pointer;  in assoc_array_insert_into_terminal_node()
706 	ptr = node->back_pointer;  in assoc_array_insert_into_terminal_node()
755 	new_s0->back_pointer = node->back_pointer;  in assoc_array_insert_into_terminal_node()
758 	new_n0->back_pointer = assoc_array_shortcut_to_ptr(new_s0);  in assoc_array_insert_into_terminal_node()
760 	new_n1->back_pointer = assoc_array_node_to_ptr(new_n0);  in assoc_array_insert_into_terminal_node()
826 	if (!shortcut->back_pointer) {  in assoc_array_insert_mid_shortcut()
828 	} else if (assoc_array_ptr_is_node(shortcut->back_pointer)) {  in assoc_array_insert_mid_shortcut()
829 		node = assoc_array_ptr_to_node(shortcut->back_pointer);  in assoc_array_insert_mid_shortcut()
860 		new_s0->back_pointer = shortcut->back_pointer;  in assoc_array_insert_mid_shortcut()
865 		new_n0->back_pointer = assoc_array_shortcut_to_ptr(new_s0);  in assoc_array_insert_mid_shortcut()
877 		new_n0->back_pointer = shortcut->back_pointer;  in assoc_array_insert_mid_shortcut()
910 		new_s1->back_pointer = assoc_array_node_to_ptr(new_n0);  in assoc_array_insert_mid_shortcut()
920 		edit->set[1].ptr = &side->back_pointer;  in assoc_array_insert_mid_shortcut()
933 		edit->set[1].ptr = &side->back_pointer;  in assoc_array_insert_mid_shortcut()
1186 		ptr = parent->back_pointer;  in assoc_array_delete()
1191 			ptr = s->back_pointer;  in assoc_array_delete()
1216 			new_n0->back_pointer = node->back_pointer;  in assoc_array_delete()
1225 						    node->back_pointer,  in assoc_array_delete()
1231 			if (!node->back_pointer) {  in assoc_array_delete()
1233 			} else if (assoc_array_ptr_is_leaf(node->back_pointer)) {  in assoc_array_delete()
1235 			} else if (assoc_array_ptr_is_node(node->back_pointer)) {  in assoc_array_delete()
1237 					assoc_array_ptr_to_node(node->back_pointer);  in assoc_array_delete()
1239 			} else if (assoc_array_ptr_is_shortcut(node->back_pointer)) {  in assoc_array_delete()
1241 					assoc_array_ptr_to_shortcut(node->back_pointer);  in assoc_array_delete()
1321 			n->back_pointer = NULL;  in assoc_array_rcu_cleanup()
1325 			s->back_pointer = NULL;  in assoc_array_rcu_cleanup()
1382 			ptr = node->back_pointer;  in assoc_array_apply_edit()
1387 				ptr = shortcut->back_pointer;  in assoc_array_apply_edit()
1501 		new_s->back_pointer = new_parent;  in assoc_array_gc()
1514 	new_n->back_pointer = new_parent;  in assoc_array_gc()
1625 			new_parent = new_n->back_pointer;  in assoc_array_gc()
1629 				new_s->back_pointer = NULL;  in assoc_array_gc()
1642 				new_parent = new_s->back_pointer = s->back_pointer;  in assoc_array_gc()
1646 					new_s->back_pointer = NULL;  in assoc_array_gc()
1653 			new_s->back_pointer = new_parent;  in assoc_array_gc()
1664 	ptr = new_n->back_pointer;  in assoc_array_gc()
1670 		new_parent = new_s->back_pointer;  in assoc_array_gc()
1677 			new_n->back_pointer = new_parent;  in assoc_array_gc()
1694 	ptr = node->back_pointer;  in assoc_array_gc()
1698 		cursor = shortcut->back_pointer;  in assoc_array_gc()