Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751434Ab1DSEOS (ORCPT ); Tue, 19 Apr 2011 00:14:18 -0400 Received: from mtoichi13.ns.itscom.net ([219.110.2.183]:60559 "EHLO mtoichi13.ns.itscom.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750974Ab1DSEOR (ORCPT ); Tue, 19 Apr 2011 00:14:17 -0400 From: "J. R. Okajima" Subject: Re: [PATCH 6/6] overlay: overlay filesystem documentation To: NeilBrown Cc: Miklos Szeredi , viro@ZenIV.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, apw@canonical.com, nbd@openwrt.org, hramrach@centrum.cz, Miklos Szeredi In-Reply-To: <20110419135818.024cd289@notabene.brown> References: <1303142440-26328-1-git-send-email-miklos@szeredi.hu> <1303142440-26328-7-git-send-email-miklos@szeredi.hu> <7795.1303182317@jrobl> <20110419135818.024cd289@notabene.brown> Date: Tue, 19 Apr 2011 13:13:53 +0900 Message-ID: <6291.1303186433@jrobl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 580 Lines: 19 NeilBrown: > Only to top level of an overlay stack is writable. All others are or should > be read only. So only the top level can change. > > So in your example, fileA will be copied from ro1 directly into rwN where it > will then be appended to. I see. When I have time, I will try building overlayfs. Thank you. J. R. Okajima -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/