ST_MTIME_NSEC      94 read-cache.c   	sd->sd_mtime.nsec = ST_MTIME_NSEC(*st);
ST_MTIME_NSEC     113 read-cache.c   	if (check_stat && sd->sd_mtime.nsec != ST_MTIME_NSEC(*st))
ST_MTIME_NSEC    1588 read-cache.c   	istate->timestamp.nsec = ST_MTIME_NSEC(st);
ST_MTIME_NSEC    2083 read-cache.c   	istate->timestamp.nsec = ST_MTIME_NSEC(st);