add_tree_block
ret = add_tree_block(fs_info, offset, 0, key->objectid,
ret = add_tree_block(fs_info, 0, offset, key->objectid,
ret = add_tree_block(fs_info, key.offset, 0,
ret = add_tree_block(fs_info, 0, key.offset,
return add_tree_block(rc, &key, path, blocks);
ret = add_tree_block(rc, &key, path, &blocks);