From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753190AbaBTDu4 (ORCPT ); Wed, 19 Feb 2014 22:50:56 -0500 Received: from mail-pb0-f44.google.com ([209.85.160.44]:61716 "EHLO mail-pb0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752294AbaBTDuz (ORCPT ); Wed, 19 Feb 2014 22:50:55 -0500 Date: Thu, 20 Feb 2014 11:50:26 +0800 From: Shaohua Li To: Christoph Hellwig Cc: linux-kernel@vger.kernel.org, axboe@kernel.dk Subject: Re: [patch]blk-mq: remove obsolete comments Message-ID: <20140220035026.GA21488@kernel.org> References: <20140219122222.GB17818@kernel.org> <20140219172805.GA14338@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140219172805.GA14338@infradead.org> 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 Wed, Feb 19, 2014 at 09:28:05AM -0800, Christoph Hellwig wrote: > On Wed, Feb 19, 2014 at 08:22:22PM +0800, Shaohua Li wrote: > > > > We now have blk_mq_stop/start_queues API, delete the obsolete comments. > > We do have the API, but the big question is if we want to require every > driver to manually call it each time we get a busy return here. block layer can't know if driver is ready to handle request, so I'm afraid driver should manually call it. Thanks, Shaohua