Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp881569ybe; Wed, 4 Sep 2019 09:06:53 -0700 (PDT) X-Google-Smtp-Source: APXvYqxYC8eWlwq0qHHKKk9/zONJuqgGvPJn29mhn4FbUsG6CJripACloAQxmT1E/s5Yiltmk2Dz X-Received: by 2002:a17:902:b48c:: with SMTP id y12mr14797332plr.92.1567613213360; Wed, 04 Sep 2019 09:06:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1567613213; cv=none; d=google.com; s=arc-20160816; b=MN4d/SStUFySmgWK5zbwnsUqX2JVsd06RRaMjvVwSiONow9WOHYg3wDuuAct0kWnL4 EOpr7WjEafQJlHqBvb15adtTNUxVgFSZmh6hVFoMHCH2cxdkJudqjEw0AyASbR2YNuGT pOy6HWAbZLZsrRQSWTvLF9vk0CM5oGYykx6JRAcSIJZbaX3vRGDqyTIhiEeZG7NGdmIt xkEcEOX89sp8J0E5tofsD60N7LsOQhuv0O66IeUgxwvNMlM9qBS9e3AhfFfn9RpQYyad QjrK/ta7CwCUI7pkryvKCApwO47IEk5YHbITJKI9F3pW+FCXoBkmwrMmo4ZZxf5caNRQ wY7A== 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; bh=qxZ+xreLZNT3nvFekAm5aFHeBizzJg8srBj6v8cT0fc=; b=qLeBK27+X72nrPP52tNPfRnnDWblaDuChdrZuhKnFGdEQkRrgo2/22lpo5nhk/CJqc 2KYtrIEWwHHYTSR+aXxo8XRYD2NOpJFugeFw/CE2Y4gghQ2bnc4pP6HTxS1PKOgKEscM JfrBG7e4VbP7PDKYlrBIpirIlXKaYcwT+7+KWCFNYRH+DULXI8n8B1gSW2sfdzm/oJyK XBTqNGeRHDXFmOIaJzGtFMkUtEC+4U08naVF7dfN22IwZ1kavDawfcvYd1nxYahEHh+D dSOMljzMRvPDepAwmJPzLJz+wNrBQJMm6FLsp3VixsOnygxzwqG12Ck/7ChyW6DF3APy BE/g== 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 j3si7771844pfa.49.2019.09.04.09.06.38; Wed, 04 Sep 2019 09:06:53 -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 S1733135AbfIDQFs (ORCPT + 99 others); Wed, 4 Sep 2019 12:05:48 -0400 Received: from verein.lst.de ([213.95.11.211]:40471 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732345AbfIDQCm (ORCPT ); Wed, 4 Sep 2019 12:02:42 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 2D7DC227A8C; Wed, 4 Sep 2019 18:02:36 +0200 (CEST) Date: Wed, 4 Sep 2019 18:02:35 +0200 From: Christoph Hellwig To: Keith Busch Cc: Christoph Hellwig , Jens Axboe , Hannes Reinecke , Sagi Grimberg , "Martin K . Petersen" , linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, Keith Busch , Logan Gunthorpe Subject: Re: [PATCH] nvme-core: Fix subsystem instance mismatches Message-ID: <20190904160235.GA20691@lst.de> References: <20190831000139.7662-1-logang@deltatee.com> <20190831152910.GA29439@localhost.localdomain> <33af4d94-9f6d-9baa-01fa-0f75ccee263e@deltatee.com> <20190903164620.GA20847@localhost.localdomain> <20190904060558.GA10849@lst.de> <20190904144426.GB21302@localhost.localdomain> <20190904154215.GA20422@lst.de> <20190904155445.GD21302@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190904155445.GD21302@localhost.localdomain> 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 Wed, Sep 04, 2019 at 09:54:45AM -0600, Keith Busch wrote: > Can we just ensure there is never a matching controller then? This > patch will accomplish that and simpler than wrapping the instance in a > refcount'ed object: > > http://lists.infradead.org/pipermail/linux-nvme/2019-May/024142.html I guess that is fine to. Btw, what happened to the plan for udev rules in that thread?