From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756063Ab2ASQnJ (ORCPT ); Thu, 19 Jan 2012 11:43:09 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:50734 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752577Ab2ASQnF (ORCPT ); Thu, 19 Jan 2012 11:43:05 -0500 Date: Thu, 19 Jan 2012 08:42:59 -0800 From: Tejun Heo To: Vivek Goyal Cc: axboe@kernel.dk, ctalbott@google.com, rni@google.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 06/12] blkcg: use q and plid instead of opaque void * for blkio_group association Message-ID: <20120119164259.GI5198@google.com> References: <1326935490-11827-1-git-send-email-tj@kernel.org> <1326935490-11827-7-git-send-email-tj@kernel.org> <20120119140442.GA9582@redhat.com> <20120119155545.GD5198@google.com> <20120119161642.GC10908@redhat.com> <20120119162544.GG5198@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120119162544.GG5198@google.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 19, 2012 at 08:25:44AM -0800, Tejun Heo wrote: > Hmmm... we can add code to shoot down blkg's along with ioc's while > preparing for elevator switch or just note the problem in the commit > message and explain the problem is transitional. I'll see how complex > shooting down blkg's would be. I think we need blkg shootdown on elv switch whether blkg is unified or not. I'll update the patch. Thanks for pointing it out. -- tejun