Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752474AbaBJKdR (ORCPT ); Mon, 10 Feb 2014 05:33:17 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:44014 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751819AbaBJKdQ (ORCPT ); Mon, 10 Feb 2014 05:33:16 -0500 Date: Mon, 10 Feb 2014 02:33:15 -0800 From: Christoph Hellwig To: Shaohua Li Cc: Christoph Hellwig , Jens Axboe , linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] block: rework flush sequencing for blk-mq Message-ID: <20140210103315.GB28396@infradead.org> References: <20140130132620.GA6031@infradead.org> <20140130132630.GB6031@infradead.org> <20140207011827.GA4735@kernel.org> <20140207141915.GA24176@infradead.org> <20140208005507.GA1766@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140208005507.GA1766@kernel.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Feb 08, 2014 at 08:55:07AM +0800, Shaohua Li wrote: > Yep, none driver needs it. But reverse mapping is the one of the points we use > tag, so better we prepare it. I don't think adding unused code to tree for a future driver is a good idea, although I'm happy to help out with the functionality as soon as the need arrives. In the meantime we really need something like this fix to allow non-trivial drivers to use blk-mq. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/