On a server, a file system object is uniquely identified by a fid, which is

On a server, a file system object is uniquely identified by a fid, which is
sufficient to locate and load all object state (inode). On a client, on the
other hand, more data are necessary instantiate an object. Change
lu_object_find() and friends to take additional `lu_conf' argument describing
object.  Typically this includes layout information.
b=16450