cifs_copy_ace
ace_size = cifs_copy_ace(pnntace, pntace, pnownersid);
ace_size = cifs_copy_ace(pnntace, pntace, pngrpsid);
ace_size = cifs_copy_ace(pnntace, pntace, NULL);
nsize += cifs_copy_ace(pnntace, pntace, NULL);