BE_ATTR_UNMOUNT_FLAGS
if (be_nvl_add_uint16(be_attrs, BE_ATTR_UNMOUNT_FLAGS,
BE_ATTR_UNMOUNT_FLAGS, DATA_TYPE_UINT16, &flags, NULL) != 0) {
if (nvlist_add_uint16(beAttrs, BE_ATTR_UNMOUNT_FLAGS, unmount_flags)