DMU_OT_SA
if (dn->dn_bonustype != DMU_OT_SA) {
if (dn->dn_bonustype == DMU_OT_SA) {
assert(dnode->dn_bonustype == DMU_OT_SA);
DMU_OT_PLAIN_FILE_CONTENTS, DMU_OT_SA, 0, &dnid);
DMU_OT_SA, 0, &dnid);
DMU_OT_PLAIN_FILE_CONTENTS, DMU_OT_SA, 0, &dnid);