16 static int insert_normal_tree_ref(struct btrfs_root *root, u64 bytenr,  in insert_normal_tree_ref()  argument
41 	ret = btrfs_insert_empty_item(&trans, root, path, &ins, size);  in insert_normal_tree_ref()
66 static int add_tree_ref(struct btrfs_root *root, u64 bytenr, u64 num_bytes,  in add_tree_ref()  argument
88 	ret = btrfs_search_slot(&trans, root, &key, path, 0, 1);  in add_tree_ref()
109 	ret = btrfs_insert_empty_item(&trans, root, path, &key, 0);  in add_tree_ref()
115 static int remove_extent_item(struct btrfs_root *root, u64 bytenr,  in remove_extent_item()  argument
135 	ret = btrfs_search_slot(&trans, root, &key, path, -1, 1);  in remove_extent_item()
140 	btrfs_del_item(&trans, root, path);  in remove_extent_item()
144 static int remove_extent_ref(struct btrfs_root *root, u64 bytenr,  in remove_extent_ref()  argument
166 	ret = btrfs_search_slot(&trans, root, &key, path, 0, 1);  in remove_extent_ref()
187 	ret = btrfs_search_slot(&trans, root, &key, path, -1, 1);  in remove_extent_ref()
192 	btrfs_del_item(&trans, root, path);  in remove_extent_ref()
196 static int test_no_shared_qgroup(struct btrfs_root *root,  in test_no_shared_qgroup()  argument
201 	struct btrfs_fs_info *fs_info = root->fs_info;  in test_no_shared_qgroup()
232 	ret = insert_normal_tree_ref(root, nodesize, nodesize, 0,  in test_no_shared_qgroup()
273 	ret = remove_extent_item(root, nodesize, nodesize);  in test_no_shared_qgroup()
308 static int test_multiple_refs(struct btrfs_root *root,  in test_multiple_refs()  argument
313 	struct btrfs_fs_info *fs_info = root->fs_info;  in test_multiple_refs()
344 	ret = insert_normal_tree_ref(root, nodesize, nodesize, 0,  in test_multiple_refs()
381 	ret = add_tree_ref(root, nodesize, nodesize, 0,  in test_multiple_refs()
424 	ret = remove_extent_ref(root, nodesize, nodesize, 0,  in test_multiple_refs()
465 	struct btrfs_root *root;  in btrfs_test_qgroups()  local
475 	root = btrfs_alloc_dummy_root(fs_info);  in btrfs_test_qgroups()
476 	if (IS_ERR(root)) {  in btrfs_test_qgroups()
478 		ret = PTR_ERR(root);  in btrfs_test_qgroups()
482 	/* We are using this root as our extent root */  in btrfs_test_qgroups()
483 	root->root_key.objectid = BTRFS_EXTENT_TREE_OBJECTID;  in btrfs_test_qgroups()
484 	root->root_key.type = BTRFS_ROOT_ITEM_KEY;  in btrfs_test_qgroups()
485 	root->root_key.offset = 0;  in btrfs_test_qgroups()
486 	btrfs_global_root_insert(root);  in btrfs_test_qgroups()
490 	 * just need to add the root in there so we don't panic.  in btrfs_test_qgroups()
492 	root->fs_info->tree_root = root;  in btrfs_test_qgroups()
493 	root->fs_info->quota_root = root;  in btrfs_test_qgroups()
500 	root->node = alloc_test_extent_buffer(root->fs_info, nodesize);  in btrfs_test_qgroups()
501 	if (IS_ERR(root->node)) {  in btrfs_test_qgroups()
503 		ret = PTR_ERR(root->node);  in btrfs_test_qgroups()
506 	btrfs_set_header_level(root->node, 0);  in btrfs_test_qgroups()
507 	btrfs_set_header_nritems(root->node, 0);  in btrfs_test_qgroups()
508 	root->alloc_bytenr += 2 * nodesize;  in btrfs_test_qgroups()
518 	root->fs_info->fs_root = tmp_root;  in btrfs_test_qgroups()
519 	ret = btrfs_insert_fs_root(root->fs_info, tmp_root);  in btrfs_test_qgroups()
522 		test_err("couldn't insert fs root %d", ret);  in btrfs_test_qgroups()
534 	ret = btrfs_insert_fs_root(root->fs_info, tmp_root);  in btrfs_test_qgroups()
537 		test_err("couldn't insert subvolume root %d", ret);  in btrfs_test_qgroups()
542 	ret = test_no_shared_qgroup(root, sectorsize, nodesize);  in btrfs_test_qgroups()
545 	ret = test_multiple_refs(root, sectorsize, nodesize);  in btrfs_test_qgroups()
547 	btrfs_free_dummy_root(root);  in btrfs_test_qgroups()