Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp1710332imm; Thu, 19 Jul 2018 06:42:54 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfmKA9OWpEqQEmWkXSIEOfWT1O9Jz9lniDLSUrWmDSzRKPTD3kyW/3sfWACjW1CRstg2qCA X-Received: by 2002:a62:b917:: with SMTP id z23-v6mr9689425pfe.131.1532007774367; Thu, 19 Jul 2018 06:42:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1532007774; cv=none; d=google.com; s=arc-20160816; b=cUtvjEtEYFg+Ag6IkRhPCfQOCfUBjcfek5MElGEqKTlrSNlovHRRUa9oUDpdEp+zsz Jqn3O6/NPos2IS0GW87pQvpTk3CzAGqq9uGKwq1NuBtj+E+otY1taN5afsU9l15QFoQ7 zvoMg5jVIIX0r3B0lPRum1ovZ01Q6qhYiwyiSQLi5r3bjTuBJ6zjIrWeB3vOVD+gMjhC cpU3xiBnMV5Ch3rWXPrGPDRWFCknc+wl/u/iNxFN5OAsDvIxWof+FLU5tU2k++H4A+w1 1bSfFW2ymP+NUU+D7uPTVMGtXpQl8iPZ8NiZaIIlZg6TzrGO4QB4DKDHVWiGIyvKdvxY 0Yxw== 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=v8hljyKd7j7NuiwIVmzjwB68rmvX2iwI2bAQgrkWXbA=; b=Z+Ktk3JWhE49qkKuu4enPMFiZd6DkiOxXuYpowXBZzQQnT0bskQ5XCcIYWBegd7cSL M5+ymHUPXNFR9dQvQCO/na2UqMOPmZrH7opwkl7cIEKLS+iS9tq3JMexcM6NtBS08Vme 42o/km32DZYaJlq5IvTfMmIqjrw4WdUKcBxImzXhNcOE/ylKZ5Y4sx2/irV6Ck7dk9Uw ADcEsYrh+pjbl+/lFvI0Xu2LOLKV82kq8jA40tf291NxSq4fkt2xTtTzyjfrzzAFk969 Dxch64ZY/fkEMk0Ml3wpUAgNYZQDk7W9PuFk+W96t2DQsBr/YBvGn6H2PVc42CrCjScq RTbg== 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 f1-v6si5618269plf.453.2018.07.19.06.42.16; Thu, 19 Jul 2018 06:42:54 -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 S1731369AbeGSOW2 (ORCPT + 99 others); Thu, 19 Jul 2018 10:22:28 -0400 Received: from verein.lst.de ([213.95.11.211]:33498 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727367AbeGSOW2 (ORCPT ); Thu, 19 Jul 2018 10:22:28 -0400 Received: by newverein.lst.de (Postfix, from userid 2407) id 1F42C68D43; Thu, 19 Jul 2018 15:42:03 +0200 (CEST) Date: Thu, 19 Jul 2018 15:42:03 +0200 From: Christoph Hellwig To: Johannes Thumshirn Cc: Christoph Hellwig , Sagi Grimberg , Keith Busch , James Smart , Hannes Reinecke , Ewan Milne , Max Gurtovoy , Linux NVMe Mailinglist , Linux Kernel Mailinglist Subject: Re: [PATCH 0/4] Rework NVMe abort handling Message-ID: <20180719134203.GA15212@lst.de> References: <20180719132838.15556-1-jthumshirn@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180719132838.15556-1-jthumshirn@suse.de> 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 Thu, Jul 19, 2018 at 03:28:34PM +0200, Johannes Thumshirn wrote: > PCI currently is the only transport we have which is doing more than > queueing a transport reset but trying to abort the command first. > > This series brings the other transports we currently have up to the > same level. Without even looking at the code yet: why? The nvme abort isn't very useful, and due to the lack of ordering between different queues almost harmful on fabrics. What problem do you try to solve?