From mboxrd@z Thu Jan 1 00:00:00 1970 From: L A Walsh Subject: is Documentation/filesystems/overlayfs.txt current? Date: Sun, 17 Dec 2017 15:41:59 -0800 Message-ID: <5A3700C7.2010602@tlinx.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from ishtar.tlinx.org ([173.164.175.65]:60306 "EHLO Ishtar.sc.tlinx.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752345AbdLQXmD (ORCPT ); Sun, 17 Dec 2017 18:42:03 -0500 Received: from [192.168.3.12] (Athenae [192.168.3.12]) by Ishtar.sc.tlinx.org (8.14.7/8.14.4/SuSE Linux 0.8) with ESMTP id vBHNfxIw094072 for ; Sun, 17 Dec 2017 15:42:02 -0800 Sender: linux-unionfs-owner@vger.kernel.org List-Id: linux-unionfs@vger.kernel.org To: overlayfs I have a concern regarding something the doc says -- that metadata is only taken from the upper filesystem. But if the lower file system is the only one with the meta data, how does it propagate? It seems to say it won't be copied, yet aren't things like ACL's file owner and permission bits all metadata? Wouldn't that have to come from the lower file layer?