mctelem_traverse
mctelem_traverse(ti->mpd_urgent_processing, MCTELEM_FORWARD,
mctelem_traverse(ti->mpd_urgent_dangling, MCTELEM_REVERSE,
mctelem_traverse(ti->mpd_urgent_committed, MCTELEM_REVERSE,
mctelem_traverse(ti->mpd_nonurgent_processing, MCTELEM_FORWARD,
mctelem_traverse(ti->mpd_nonurgent_dangling, MCTELEM_REVERSE,
mctelem_traverse(ti->mpd_nonurgent_committed, MCTELEM_REVERSE,