From mboxrd@z Thu Jan 1 00:00:00 1970 From: "J. R. Okajima" Subject: Re: Overlayfs reverse mapping Date: Sat, 22 Apr 2017 03:44:21 +0900 Message-ID: <5399.1492800261@jrobl> References: Return-path: Received: from mail04-md.ns.itscom.net ([175.177.155.114]:43454 "EHLO mail04-md.ns.itscom.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1041325AbdDUSoX (ORCPT ); Fri, 21 Apr 2017 14:44:23 -0400 In-Reply-To: Sender: linux-unionfs-owner@vger.kernel.org List-Id: linux-unionfs@vger.kernel.org To: Miklos Szeredi Cc: Amir Goldstein , "linux-unionfs@vger.kernel.org" Miklos Szeredi: > OTOH lost+found is just a plain old directory that is handled by > userspace tools only. No kernel fs driver treats /lost+found > specially. So putting this in upperdir would be a namespace pollution > issue and generally we'd like to avoid that. Aufs has lived with that > sort of thing, and probably it wouldn't be a problem in practice. But ?? As far as I know, aufs doesn't handle lost+found specially, but the layer fs handles. What is the "namespace pollution" you call? J. R. Okajima