38 	struct btrfs_extent_item *item;  in insert_normal_tree_ref()  local
44 	u32 size = sizeof(*item) + sizeof(*iref) + sizeof(*block_info);  in insert_normal_tree_ref()
68 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item);  in insert_normal_tree_ref()
69 	btrfs_set_extent_refs(leaf, item, 1);  in insert_normal_tree_ref()
70 	btrfs_set_extent_generation(leaf, item, 1);  in insert_normal_tree_ref()
71 	btrfs_set_extent_flags(leaf, item, BTRFS_EXTENT_FLAG_TREE_BLOCK);  in insert_normal_tree_ref()
72 	block_info = (struct btrfs_tree_block_info *)(item + 1);  in insert_normal_tree_ref()
91 	struct btrfs_extent_item *item;  in add_tree_ref()  local
117 	item = btrfs_item_ptr(path->nodes[0], path->slots[0],  in add_tree_ref()
119 	refs = btrfs_extent_refs(path->nodes[0], item);  in add_tree_ref()
120 	btrfs_set_extent_refs(path->nodes[0], item, refs + 1);  in add_tree_ref()
175 	struct btrfs_extent_item *item;  in remove_extent_ref()  local
201 	item = btrfs_item_ptr(path->nodes[0], path->slots[0],  in remove_extent_ref()
203 	refs = btrfs_extent_refs(path->nodes[0], item);  in remove_extent_ref()
204 	btrfs_set_extent_refs(path->nodes[0], item, refs - 1);  in remove_extent_ref()