LEAFIND
if (dp->tree.leafidx != cpu_to_le32(LEAFIND)) {
if (dp->tree.leafidx != cpu_to_le32(LEAFIND)) {
if (dp->tree.stree[leafidx + LEAFIND] < BUDMIN)
leaf = dp->tree.stree + LEAFIND;
tp->leafidx = cpu_to_le32(LEAFIND);