From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753781AbaJ2Crr (ORCPT ); Tue, 28 Oct 2014 22:47:47 -0400 Received: from rush.cubic.ch ([176.9.78.115]:37618 "EHLO mail2.cubic.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751575AbaJ2Crq (ORCPT ); Tue, 28 Oct 2014 22:47:46 -0400 Message-ID: <5450554B.1080906@decentral.ch> Date: Wed, 29 Oct 2014 03:47:39 +0100 From: Tim Tassonis User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Al Viro CC: linux-kernel@vger.kernel.org Subject: Re: overlayfs: "filesystem of lowerdir is not supported" on cdrom References: <544FDC1C.9040908@decentral.ch> <20141028211313.GB7996@ZenIV.linux.org.uk> <20141028225428.GC7996@ZenIV.linux.org.uk> In-Reply-To: <20141028225428.GC7996@ZenIV.linux.org.uk> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/28/2014 11:54 PM, Al Viro wrote: > On Tue, Oct 28, 2014 at 09:13:13PM +0000, Al Viro wrote: > >> >> We probably ought to split the normal (case-sensitive, no joliet shite) case >> out and leave it with NULL ->s_d_op, but that'll need to be done carefully, >> or isofs_cmp() will blow up on us. > > See if vfs.git#for-linus works for you. > Yes, works for me! Could mount the overlayfs, remove a file, add a file and modify a file. Not the definive stress-test I guess, but it's a start... Took only the following two commits: f643ff550afbc82a2bc7026f4a6d64427e4fbc9 5b71ecfa78271d5c576f17156ed8a53981c1ecb Kind regards Tim