From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753601AbcBHQQF (ORCPT ); Mon, 8 Feb 2016 11:16:05 -0500 Received: from mga04.intel.com ([192.55.52.120]:31461 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753229AbcBHQQB (ORCPT ); Mon, 8 Feb 2016 11:16:01 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,416,1449561600"; d="scan'208";a="910915148" Date: Mon, 8 Feb 2016 16:15:59 +0000 From: Keith Busch To: Hannes Reinecke Cc: Christoph Hellwig , Sagi Grimberg , James Bottomley , Jens Axboe , linux-block@vger.kernel.org, linux-scsi , "linux-nvme@lists.infradead.org" , linux-kernel Subject: Re: complete boot failure in 4.5-rc1 caused by nvme: make SG_IO support optional Message-ID: <20160208161559.GC25111@localhost.localdomain> References: <1454783624.2809.6.camel@HansenPartnership.com> <20160207092241.GA15331@lst.de> <1454861040.2329.4.camel@HansenPartnership.com> <56B7C527.6050300@kernel.dk> <1454886441.2329.27.camel@HansenPartnership.com> <56B8448A.3000106@suse.de> <56B8676C.20600@dev.mellanox.co.il> <20160208101350.GA32632@lst.de> <20160208151258.GB25111@localhost.localdomain> <56B8B1F1.4070605@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <56B8B1F1.4070605@suse.de> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 08, 2016 at 04:19:13PM +0100, Hannes Reinecke wrote: > Ok, so what about having a 'wwid' attribute which provides combined > information (like scsi has)? That looks like the sensible thing to do. Thanks for pointer. Going forward, I will solicite more feedback from scsi developers so NVMe's external attributes better align with storage that already solved our issues. I agree with Christoph that we never should have relied on SCSI translations for NVMe, but we don't want to reinvent generic solutions either.