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Commit d6427f81 authored by Matthew Wilcox's avatar Matthew Wilcox
Browse files

xarray: Move multiorder account test in-kernel 



Move this test to the in-kernel test suite, and enhance it to test
several different orders.

Signed-off-by: default avatarMatthew Wilcox <willy@infradead.org>
parent 47e0fab2

lib/test_xarray.c

+32 −0
Original line number Diff line number Diff line
@@ -1019,6 +1019,37 @@ static noinline void check_workingset(struct xarray *xa, unsigned long index) 
	XA_BUG_ON(xa, !xa_empty(xa));

}



/*

 * Check that the pointer / value / sibling entries are accounted the

 * way we expect them to be.

 */

static noinline void check_account(struct xarray *xa)

{

#ifdef CONFIG_XARRAY_MULTI

	unsigned int order;



	for (order = 1; order < 12; order++) {

		XA_STATE(xas, xa, 1 << order);



		xa_store_order(xa, 0, order, xa, GFP_KERNEL);

		xas_load(&xas);

		XA_BUG_ON(xa, xas.xa_node->count == 0);

		XA_BUG_ON(xa, xas.xa_node->count > (1 << order));

		XA_BUG_ON(xa, xas.xa_node->nr_values != 0);



		xa_store_order(xa, 1 << order, order, xa_mk_value(1 << order),

				GFP_KERNEL);

		XA_BUG_ON(xa, xas.xa_node->count != xas.xa_node->nr_values * 2);



		xa_erase(xa, 1 << order);

		XA_BUG_ON(xa, xas.xa_node->nr_values != 0);



		xa_erase(xa, 0);

		XA_BUG_ON(xa, !xa_empty(xa));

	}

#endif

}



static noinline void check_destroy(struct xarray *xa)

{

	unsigned long index;
@@ -1068,6 +1099,7 @@ static int xarray_checks(void) 
	check_xa_alloc();

	check_find(&array);

	check_find_entry(&array);

	check_account(&array);

	check_destroy(&array);

	check_move(&array);

	check_create_range(&array);

tools/testing/radix-tree/multiorder.c

+0 −24
Original line number Diff line number Diff line
@@ -356,29 +356,6 @@ void multiorder_tagged_iteration(void) 
	item_kill_tree(&tree);

}



static void multiorder_account(void)

{

	RADIX_TREE(tree, GFP_KERNEL);

	struct radix_tree_node *node;

	void **slot;



	item_insert_order(&tree, 0, 5);



	__radix_tree_insert(&tree, 1 << 5, 5, xa_mk_value(5));

	__radix_tree_lookup(&tree, 0, &node, NULL);

	assert(node->count == node->nr_values * 2);

	radix_tree_delete(&tree, 1 << 5);

	assert(node->nr_values == 0);



	__radix_tree_insert(&tree, 1 << 5, 5, xa_mk_value(5));

	__radix_tree_lookup(&tree, 1 << 5, &node, &slot);

	assert(node->count == node->nr_values * 2);

	__radix_tree_replace(&tree, node, slot, NULL);

	assert(node->nr_values == 0);



	item_kill_tree(&tree);

}



bool stop_iteration = false;



static void *creator_func(void *ptr)
@@ -457,7 +434,6 @@ void multiorder_checks(void) 
	multiorder_tag_tests();

	multiorder_iteration();

	multiorder_tagged_iteration();

	multiorder_account();

	multiorder_iteration_race();



	radix_tree_cpu_dead(0);