From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp208.alice.it ([82.57.200.104]:56870 "EHLO smtp208.alice.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754408Ab2FTUPY (ORCPT ); Wed, 20 Jun 2012 16:15:24 -0400 Message-ID: <4FE22F64.3010101@inwind.it> Date: Wed, 20 Jun 2012 22:15:32 +0200 From: Goffredo Baroncelli Reply-To: kreijack@inwind.it MIME-Version: 1.0 To: Alexander Block CC: Calvin Walton , linux-btrfs@vger.kernel.org, dave@jikos.cz, hch@infradead.org, linux-fsdevel@vger.kernel.org, chris.mason@fusionio.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Allow cross subvolume reflinks (2nd attempt) References: <1340188512-5761-1-git-send-email-ablock84@googlemail.com> <4FE205CF.9020509@libero.it> <1340215644.6961.12.camel@cwalton-XPS-8300> <4FE2125A.5080806@libero.it> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 06/20/2012 10:05 PM, Alexander Block wrote: > On Wed, Jun 20, 2012 at 8:11 PM, Goffredo Baroncelli wrote: >> >> Yes please, could someone explain the reason behind this decision ? May >> be there are valid reasons, I am asking only to know which ones ? >> > The reason is that at the moment no user visible operations span mount > boundaries > and there were discussion on whether this should be allowed for the > clone ioctl or > not. Yes, I understood the same. But nobody was able to explain why . For the moment, I would already be happy to have cross subvolume reflinks > which do not span mount points, this would already be much more as we have at > the moment. This is reasonable. > . >