From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B872DC43441 for ; Mon, 19 Nov 2018 09:39:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 87F6120823 for ; Mon, 19 Nov 2018 09:39:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 87F6120823 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727558AbeKSUCp (ORCPT ); Mon, 19 Nov 2018 15:02:45 -0500 Received: from verein.lst.de ([213.95.11.211]:36995 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727450AbeKSUCo (ORCPT ); Mon, 19 Nov 2018 15:02:44 -0500 Received: by newverein.lst.de (Postfix, from userid 2407) id 9480268AFE; Mon, 19 Nov 2018 10:39:38 +0100 (CET) Date: Mon, 19 Nov 2018 10:39:38 +0100 From: Christoph Hellwig To: Mike Snitzer Cc: Christoph Hellwig , Hannes Reinecke , linux-nvme@lists.infradead.org, Keith Busch , Sagi Grimberg , axboe@kernel.dk, Martin Wilck , lijie , xose.vazquez@gmail.com, chengjike.cheng@huawei.com, shenhong09@huawei.com, dm-devel@redhat.com, wangzhoumengjian@huawei.com, christophe.varoqui@opensvc.com, bmarzins@redhat.com, sschremm@netapp.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: nvme: allow ANA support to be independent of native multipathing Message-ID: <20181119093938.GA11757@lst.de> References: <30cf7af7-8826-55bd-e39a-4f81ed032f6d@suse.de> <20181114174746.GA18526@redhat.com> <87c931e5-4ac9-1795-8d40-cc5541d3ebcf@suse.de> <20181115174605.GA19782@redhat.com> <20181116091458.GA17267@lst.de> <37098edd-4dea-b58f-bca6-3be9af8ec4ee@suse.de> <20181116094947.GA19296@lst.de> <20181116101752.GA21531@lst.de> <20181116192802.GA30057@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181116192802.GA30057@redhat.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 16, 2018 at 02:28:02PM -0500, Mike Snitzer wrote: > You rejected the idea of allowing fine-grained control over whether > native NVMe multipathing is enabled or not on a per-namespace basis. > All we have is the coarse-grained nvme_core.multipath=N knob. Now > you're forecasting removing even that. Please don't do that. The whole point is that this hook was intended as a band aid for the hypothetical pre-existing setups. Not ever for new development. > Please, PLEASE take v2 of this patch.. please? ;) See the previous mail for the plan ahead. I'm sick and tired of you trying to sneak your new developemts back in.