Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752274AbaBMQYX (ORCPT ); Thu, 13 Feb 2014 11:24:23 -0500 Received: from mail-we0-f179.google.com ([74.125.82.179]:43187 "EHLO mail-we0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752086AbaBMQYV (ORCPT ); Thu, 13 Feb 2014 11:24:21 -0500 Date: Thu, 13 Feb 2014 17:25:34 +0100 From: Miklos Szeredi To: David Howells Cc: viro@ZenIV.linux.org.uk, torvalds@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, bfields@fieldses.org, hch@infradead.org, akpm@linux-foundation.org, zab@redhat.com, jack@suse.cz, luto@amacapital.net, mszeredi@suse.cz Subject: Re: [PATCH 00/13] cross rename v4 Message-ID: <20140213162534.GB4026@tucsk.piliscsaba.szeredi.hu> References: <1391791751-2533-1-git-send-email-miklos@szeredi.hu> <19258.1392306854@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <19258.1392306854@warthog.procyon.org.uk> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 13, 2014 at 03:54:14PM +0000, David Howells wrote: > > If we're going to be adding a new rename inode op, can we make it take a flag > to white out the source for union type things? This would mean that > rename-and-white-out can be done atomically. That is an option, yes. Regarding whiteouts, I raised a couple of questions that nobody answered yet, so let me ask again. - If a filesystem containing whiteouts (fallthroughs, etc...) is mounted as not part of a union, how are these special entities represented to userspace? - Can the user remove them? Thanks, Miklos -- 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/