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=-2.3 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 1654CC468C6 for ; Thu, 19 Jul 2018 13:39:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C98C52084C for ; Thu, 19 Jul 2018 13:39:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C98C52084C 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 S1731557AbeGSOW2 (ORCPT ); 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?