From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from soda.linbit (unknown [10.9.9.55]) by mail09.linbit.com (LINBIT Mail Daemon) with ESMTP id 5563F10622A9 for ; Mon, 21 Sep 2009 18:53:50 +0200 (CEST) Resent-Message-ID: <20090921165350.GK8072@barkeeper1-xen.linbit> Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail09.linbit.com (LINBIT Mail Daemon) with ESMTPS id 91D3210622A8 for ; Mon, 21 Sep 2009 17:52:03 +0200 (CEST) Date: Mon, 21 Sep 2009 16:52:52 +0200 From: Arjan van de Ven To: Lars Ellenberg Message-ID: <20090921165252.04e335b1@infradead.org> In-Reply-To: <20090921144308.GG8072@barkeeper1-xen.linbit> References: <20090918200803.GM23126@kernel.dk> <20090919141334N.fujita.tomonori@lab.ntt.co.jp> <20090919220232.GB31849@suse.de> <20090921223815U.fujita.tomonori@lab.ntt.co.jp> <20090921144308.GG8072@barkeeper1-xen.linbit> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: hch@infradead.org, kyle@moffetthome.net, sam@ravnborg.org, bart.vanassche@gmail.com, neilb@suse.de, knikanth@suse.de, gregkh@suse.de, linux-kernel@vger.kernel.org, philipp.reisner@linbit.com, FUJITA Tomonori , Mauelshagen@RedHat.com, James.Bottomley@suse.de, lmb@suse.de, kosaki.motohiro@jp.fujitsu.com, jens.axboe@oracle.com, davej@redhat.com, akpm@linux-foundation.org, torvalds@linux-foundation.org, drbd-dev@lists.linbit.com Subject: Re: [Drbd-dev] [GIT PULL] DRBD for 2.6.32 List-Id: Coordination of development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 21 Sep 2009 16:43:08 +0200 Lars Ellenberg wrote: > We can choose whatever user-kernel interface you like, > and change it with every dot release -- > we'd just need to add additional compat code into > the drbdsetup userland binary. uh no. the kernel<->userspace ABI is stable. we don't go about randomly changing it (extending it is fine obviously) -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org