ST_NODIRATIME
flags |= ST_NODIRATIME;
ST_NOEXEC | ST_NOATIME | ST_NODIRATIME | ST_RELATIME | \
if (stat.f_flag & ST_NODIRATIME)
ST_NOATIME | ST_NODIRATIME | ST_RELATIME |
if (stat.f_flag & ST_NODIRATIME)