这些标志不会显示在mount的输出中或/ proc / mounts中.
$cat /proc/self/mountinfo | grep ' / / ' 22 0 8:1 / / rw,relatime shared:1 - ext4 /dev/disk/by-uuid/e176bae0-84a5-4bd2-b968-e809e902488c rw,data=ordered