Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757598AbcC2VUO (ORCPT ); Tue, 29 Mar 2016 17:20:14 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:55051 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754296AbcC2VUM (ORCPT ); Tue, 29 Mar 2016 17:20:12 -0400 Date: Tue, 29 Mar 2016 14:20:09 -0700 From: Christoph Hellwig To: Jens Axboe Cc: Christoph Hellwig , Shaohua Li , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Kernel-team@fb.com Subject: Re: [PATCH 1/3] blk-mq: add an API to estimate hardware queue node Message-ID: <20160329212009.GB18532@infradead.org> References: <68fed570910230ce847f8f3b685eeea399640a7f.1458941500.git.shli@fb.com> <20160329072443.GA18920@infradead.org> <20160329164722.GA1208161@devbig084.prn1.facebook.com> <56FAB243.5020804@fb.com> <20160329174437.GA451@infradead.org> <56FAEAD9.40908@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <56FAEAD9.40908@fb.com> User-Agent: Mutt/1.5.24 (2015-08-30) 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 Content-Length: 419 Lines: 8 On Tue, Mar 29, 2016 at 02:51:37PM -0600, Jens Axboe wrote: > For Shaohua's patches, not binding per-device data to the home node makes a > lot of sense, though. It does. But exposing the node estimation function just to work around the fact that the way the cpu/node mapping is done is upside down currently doesn't seem helpful. Let's try to revamp that first and the rebase the rest of the series on top of that.