SD_WTYPE_RMW
(is_aligned == TRUE) ? SD_WTYPE_SIMPLE : SD_WTYPE_RMW);
if (!(typ & SD_WTYPE_RMW) && !(un->un_rmw_count)) {
if (typ & SD_WTYPE_RMW) {
if (wm->wm_flags & SD_WTYPE_RMW) {