21 	struct btrfs_path *path;  in insert_normal_tree_ref()  local
33 	path = btrfs_alloc_path();  in insert_normal_tree_ref()
34 	if (!path) {  in insert_normal_tree_ref()
39 	ret = btrfs_insert_empty_item(&trans, root, path, &ins, size);  in insert_normal_tree_ref()
42 		btrfs_free_path(path);  in insert_normal_tree_ref()
46 	leaf = path->nodes[0];  in insert_normal_tree_ref()
47 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in insert_normal_tree_ref()
62 	btrfs_free_path(path);  in insert_normal_tree_ref()
71 	struct btrfs_path *path;  in add_tree_ref()  local
82 	path = btrfs_alloc_path();  in add_tree_ref()
83 	if (!path) {  in add_tree_ref()
88 	ret = btrfs_search_slot(&trans, root, &key, path, 0, 1);  in add_tree_ref()
91 		btrfs_free_path(path);  in add_tree_ref()
95 	item = btrfs_item_ptr(path->nodes[0], path->slots[0],  in add_tree_ref()
97 	refs = btrfs_extent_refs(path->nodes[0], item);  in add_tree_ref()
98 	btrfs_set_extent_refs(path->nodes[0], item, refs + 1);  in add_tree_ref()
99 	btrfs_release_path(path);  in add_tree_ref()
110 	ret = btrfs_insert_empty_item(&trans, root, path, &key, 0);  in add_tree_ref()
113 	btrfs_free_path(path);  in add_tree_ref()
122 	struct btrfs_path *path;  in remove_extent_item()  local
131 	path = btrfs_alloc_path();  in remove_extent_item()
132 	if (!path) {  in remove_extent_item()
137 	ret = btrfs_search_slot(&trans, root, &key, path, -1, 1);  in remove_extent_item()
140 		btrfs_free_path(path);  in remove_extent_item()
143 	btrfs_del_item(&trans, root, path);  in remove_extent_item()
144 	btrfs_free_path(path);  in remove_extent_item()
153 	struct btrfs_path *path;  in remove_extent_ref()  local
164 	path = btrfs_alloc_path();  in remove_extent_ref()
165 	if (!path) {  in remove_extent_ref()
170 	ret = btrfs_search_slot(&trans, root, &key, path, 0, 1);  in remove_extent_ref()
173 		btrfs_free_path(path);  in remove_extent_ref()
177 	item = btrfs_item_ptr(path->nodes[0], path->slots[0],  in remove_extent_ref()
179 	refs = btrfs_extent_refs(path->nodes[0], item);  in remove_extent_ref()
180 	btrfs_set_extent_refs(path->nodes[0], item, refs - 1);  in remove_extent_ref()
181 	btrfs_release_path(path);  in remove_extent_ref()
192 	ret = btrfs_search_slot(&trans, root, &key, path, -1, 1);  in remove_extent_ref()
195 		btrfs_free_path(path);  in remove_extent_ref()
198 	btrfs_del_item(&trans, root, path);  in remove_extent_ref()
199 	btrfs_free_path(path);  in remove_extent_ref()