From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754127AbaIPPfO (ORCPT ); Tue, 16 Sep 2014 11:35:14 -0400 Received: from plane.gmane.org ([80.91.229.3]:41904 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753787AbaIPPfN (ORCPT ); Tue, 16 Sep 2014 11:35:13 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Andras Kovacs Subject: Question re: blk-mq and UFS driver Date: Tue, 16 Sep 2014 15:28:06 +0000 (UTC) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: sea.gmane.org User-Agent: Loom/3.14 (http://gmane.org/) X-Loom-IP: 24.68.136.144 (Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:26.0) Gecko/20100101 Firefox/26.0) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, Is it true that the blk-mq code is entirely transparent to low level drivers (in particular to the UFS driver, ufshcd.c and associated files)? Or are there any changes which have to be made to the UFS driver to take advantage of the performance improvements flowing from the blk-mq code? Any pointer would be greatly appreciated.