DD_FLAG_USED_BREAKDOWN
if (dsl_dir_phys(hds->ds_dir)->dd_flags & DD_FLAG_USED_BREAKDOWN) {
DD_FLAG_USED_BREAKDOWN) {
if (dsl_dir_phys(dd)->dd_flags & DD_FLAG_USED_BREAKDOWN) {
if (dsl_dir_phys(dd)->dd_flags & DD_FLAG_USED_BREAKDOWN) {
!(dsl_dir_phys(dd)->dd_flags & DD_FLAG_USED_BREAKDOWN))
ddphys->dd_flags |= DD_FLAG_USED_BREAKDOWN;