fs_path_add_from_extent_buffer
ret = fs_path_add_from_extent_buffer(p, eb, name_off,
return fs_path_add_from_extent_buffer(dest, path->nodes[0], off, len);
ret = fs_path_add_from_extent_buffer(name, path->nodes[0],
ret = fs_path_add_from_extent_buffer(name, path->nodes[0],