From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932421Ab1KIJHA (ORCPT ); Wed, 9 Nov 2011 04:07:00 -0500 Received: from mailout-de.gmx.net ([213.165.64.22]:35265 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754749Ab1KIJG6 (ORCPT ); Wed, 9 Nov 2011 04:06:58 -0500 X-Authenticated: #7756412 X-Provags-ID: V01U2FsdGVkX18chmE4BEscKiEYqpdcg0e025UGoVbaCEZ5xrPgls 6LMV2yE+Xp7fHL Message-ID: <4EBA42AF.3000501@gmx.net> Date: Wed, 09 Nov 2011 10:06:55 +0100 From: Arne Jansen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.18) Gecko/20110617 Lightning/1.0b2 Thunderbird/3.1.11 MIME-Version: 1.0 To: Christoph Hellwig CC: Chris Mason , Andrea Gelmini , linux-btrfs , LKML Subject: Re: [GIT PULL] Btrfs pull request References: <20111106183851.GA4339@shiny> <4EB7A6CC.5030502@gmx.net> <4EB7D2D8.2060505@gmx.net> <4EB8DEAC.7000906@gmx.net> <20111109010701.GI4149@shiny> <20111109074847.GA16742@infradead.org> In-Reply-To: <20111109074847.GA16742@infradead.org> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09.11.2011 08:48, Christoph Hellwig wrote: > On Tue, Nov 08, 2011 at 08:07:01PM -0500, Chris Mason wrote: >> Looks like bio_add_page() is failing and we're getting the enomem from >> there. LVM is only letting us put one page in each bio. > > Yes, at the moment all bio based DM targets only allow single page I/O. That's... unexpected. I guess this won't change with 3.3? For 3.3 I have to rework that part from scrub to account for Chris' bigblocks. If it can wait that long I'd prefer to fix both at once. Chris? -Arne