Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752291Ab1DOMek (ORCPT ); Fri, 15 Apr 2011 08:34:40 -0400 Received: from mail-iw0-f174.google.com ([209.85.214.174]:48920 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750720Ab1DOMei convert rfc822-to-8bit (ORCPT ); Fri, 15 Apr 2011 08:34:38 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type :content-transfer-encoding; b=HP/zaPOQ4mpjWo/ztotSQDpUD7UDPTLKqafz3SFEkdkbU9Qfbcf5ySVqnBCmK90UaJ aDdGGrNU2mR4Eg9j7XEhtoSDi5IGfeeJbxGK/cONWaKtB1zH8A62jtGwZNLrXUASCxqd uT/IfsxOL3hbX+u+RUX97FyniH0OO4qFcQnEE= MIME-Version: 1.0 In-Reply-To: References: <4DA4B6A8.7030804@gmail.com> From: Michal Suchanek Date: Fri, 15 Apr 2011 14:34:18 +0200 X-Google-Sender-Auth: UmegOqUNWJ_9lyd7-49atoZ6mg8 Message-ID: Subject: Re: Unionmount status? To: Miklos Szeredi Cc: Jiri Kosina , Ric Wheeler , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, David Howells , Ian Kent , Jeff Moyer , Christoph Hellwig Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1354 Lines: 38 On 15 April 2011 14:29, Miklos Szeredi wrote: > On Fri, Apr 15, 2011 at 1:51 PM, Michal Suchanek wrote: >> On 15 April 2011 13:31, Miklos Szeredi wrote: >>> On Fri, Apr 15, 2011 at 1:22 PM, Michal Suchanek wrote: >>>> >>>> Cleaning up temporary files... >>>> [    nn.nnnnnn] overlayfs: ERROR - failed to whiteout 'motd' >>>> find: cannot delete `./motd': Operation not supported >>> >>> What is the upper filesystem type?  Is xattr support enabled? >>> >> >> The upper filesystem is tmpfs and there is not option regarding XATTR >> in the config. > > Apparently tmpfs does not support generic xattr.  I understand why > tmpfs is an attractive choice for an upper filesystem, so this should > be addressed. > > I see two options here: > > 1) implement generic xattr in tmpfs IMHO this is a general feature that keeps overlayfs in itself clean and small and can benefit other uses of tmpfs. > 2) take whiteout/opaque support from union mounts and use that How far from importing full unionmount is that? Thanks Michal -- 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/