Received: by 2002:ac0:a5b6:0:0:0:0:0 with SMTP id m51-v6csp3564859imm; Mon, 4 Jun 2018 05:52:58 -0700 (PDT) X-Google-Smtp-Source: ADUXVKIHf/ANBfe+UdA8DXh7cQYT7vaXqluhkqPhvR70iTI4cJBpWgajSVd/bXPW5b1tluhrEr8L X-Received: by 2002:a62:1013:: with SMTP id y19-v6mr21196213pfi.166.1528116778008; Mon, 04 Jun 2018 05:52:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1528116777; cv=none; d=google.com; s=arc-20160816; b=Cj6Ezc/23KQEsMye5OouNDmvYIs3flXWt7v5GKLh5Rpm6yh9kAkiMGgEPF+9bPNZzz 8PV/7xjpe/CiiI/ys9s1bfDjEtz6lYnCIAeo39vQAHrKUXN6fs0hvYxpn5xzbN+FWmKI MjBtbVTFndyK/WzOf0dWbnOPvMZViFDqRFvrBwIQ2/MPKcFa0voaZxcdg/ioQN3dbvsp aNXDn+nHAPTFs98muZ8NYoi8xFxSAipQHOPwiOVsfXkubdLjHpmrUT0gqfb5H98Yw9Xv YFA/L1yiv9sSfgVrLc6N+auGmUCqLPYwvUS+daawzab+3Ua4gtzlXMtNGqZR/vtU+akh RXVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=GprV4Yvl/CquG4yAPqj6eBIRaQSSu/FA1mXsRFNozWY=; b=L7QIiJIGZHE2QmNtiKSZZzAFVRrEdadymfn/uzBXtgE01QqhONM5J28JEroQwriCW3 TQl3dSiChWpLlpJFVmmdNBQA5nSYSszXk8xzVb7qa4eoetPfHCgtdshKTXytZ1THRXo7 IQjVE0opyEb/2FOnNUdDVHKEOB4c0u5YfC5EuQM65UOscoZSqQSlebqyQWFRgVjrY/qO 7jMNflKRVoA7QaxC4cVr8c99S0PUKHVJniYDYzCXieluC8pdSGEdh1/w/1W02i7XoOne WC8+epybID6sJJME7m+76XmH5pE6y5e95Uhml408K3ff5qXNUID8JJpiWMPYKCw4jKZi Tnvw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 91-v6si46698245plh.488.2018.06.04.05.52.43; Mon, 04 Jun 2018 05:52:57 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752819AbeFDMwT (ORCPT + 99 others); Mon, 4 Jun 2018 08:52:19 -0400 Received: from verein.lst.de ([213.95.11.211]:54909 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752453AbeFDMwS (ORCPT ); Mon, 4 Jun 2018 08:52:18 -0400 Received: by newverein.lst.de (Postfix, from userid 2407) id 447B968E41; Mon, 4 Jun 2018 14:59:18 +0200 (CEST) Date: Mon, 4 Jun 2018 14:59:18 +0200 From: Christoph Hellwig To: Johannes Thumshirn Cc: Hannes Reinecke , Jens Axboe , Mike Snitzer , Christoph Hellwig , Linus Torvalds , "Martin K. Petersen" , Linux NVMe Mailinglist , Laurence Oberman , Sagi Grimberg , James Smart , Ewan Milne , Linux Kernel Mailinglist , Keith Busch , Martin George , John Meneghini , dm-devel@redhat.com, mwilck@suse.de Subject: Re: [PATCH 0/3] Provide more fine grained control over multipathing Message-ID: <20180604125918.GC30945@lst.de> References: <20180525141211.GA25971@lst.de> <20180525145056.GD9591@redhat.com> <20180529030236.GA28895@redhat.com> <20180529072240.np5c62akbr7jqelr@linux-x5ow.site> <20180529080952.GA1369@lst.de> <20180529232718.GA1730@redhat.com> <20180604081921.3cedecbc@pentland.suse.de> <20180604071829.tq7wmx4bvk4uzubd@linux-x5ow.site> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180604071829.tq7wmx4bvk4uzubd@linux-x5ow.site> 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 Mon, Jun 04, 2018 at 09:18:29AM +0200, Johannes Thumshirn wrote: > What we really should do is, try to give multipath-tools a 'nvme > list-subsys' like view of nvme native multipathing (and I think Martin > W. has already been looking into this a while ago). Which has been merged into multipath-tools a while ago: https://git.opensvc.com/gitweb.cgi?p=multipath-tools/.git;a=commit;h=86553b57b6bd55e0355ac27ae100cce6cc42bee3