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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 229CDC433ED for ; Thu, 1 Apr 2021 08:26:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C3E2461005 for ; Thu, 1 Apr 2021 08:26:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233143AbhDAI0L (ORCPT ); Thu, 1 Apr 2021 04:26:11 -0400 Received: from mail-pl1-f182.google.com ([209.85.214.182]:41749 "EHLO mail-pl1-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233024AbhDAIZl (ORCPT ); Thu, 1 Apr 2021 04:25:41 -0400 Received: by mail-pl1-f182.google.com with SMTP id g10so643851plt.8 for ; Thu, 01 Apr 2021 01:25:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=s9dXlyNB1wPFpzLt1/MDRCLJ2LvSrlsREvp75Ydv0AA=; b=tgWpMZ1s/xdaYI0iUGW2F/ltkXYif1QYNTrC50AzcWzymb5+jRTfandEfK3lhHZ3GH BLU/BleG8Tp6S9/MCgW0tPoh0IzzJzY623BxFSvg+bzl3+zvx87Y0LTh6VZjAUGTYrt+ w+KoypdxywGviRQ4HTrqL1iHj5wwtuhOQ0UcsI3v/rNUqw0LTNbEFq8LarUkKciSmQGg U9f3GgIDNcKCilmvjhzLJ/oA/hasq/coHvxF8joMHRqhuxzGcqVM4bdhqbWfjZsTyNAU 5wHrOvfVxbGJJLkxg0bS0EQT+pfLUiDjzKl6kJhdWlwKj0DkbS5m0GTIhqsckVYwD8kK OFfg== X-Gm-Message-State: AOAM532CIH2bvYoe3ECg4jTm+2uG4BVZZu90SEzEFPBvCuL9eoj5hgF+ 4Hp6Zt0Kydefo8GXmNtpIMo= X-Google-Smtp-Source: ABdhPJypesiR74AXgEtnLv9M+Fk//zNWcoI9lcBE8fzwq+6i9t5CK2XBU+no/s/OGJe/2tdvkAUTDg== X-Received: by 2002:a17:90a:d3d8:: with SMTP id d24mr7883059pjw.28.1617265540755; Thu, 01 Apr 2021 01:25:40 -0700 (PDT) Received: from ?IPv6:2601:647:4802:9070:bf93:1a21:45ef:9cdc? ([2601:647:4802:9070:bf93:1a21:45ef:9cdc]) by smtp.gmail.com with ESMTPSA id j21sm4070124pfc.114.2021.04.01.01.25.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 01 Apr 2021 01:25:40 -0700 (PDT) Subject: Re: [PATCH v2] nvme-tcp: Check if request has started before processing it To: Christoph Hellwig Cc: "Ewan D. Milne" , Hannes Reinecke , Keith Busch , Daniel Wagner , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Jens Axboe References: <20210301175601.116405-1-dwagner@suse.de> <6b51a989-5551-e243-abda-5872411ec3ff@grimberg.me> <20210311094345.ogm2lxqfuszktuhp@beryllium.lan> <70af5b02-10c1-ab0b-1dfc-5906216871b4@grimberg.me> <2fc7a320c86f75507584453dd2fbd744de5c170d.camel@redhat.com> <20210330232813.GA1935968@dhcp-10-100-145-180.wdc.com> <5715ef78-eaf1-dcb6-c2a2-f4725e1a01c4@grimberg.me> <20210401062031.GA25424@lst.de> From: Sagi Grimberg Message-ID: <8e93c5ce-aff7-ca0b-919c-a33eb0b9ceaf@grimberg.me> Date: Thu, 1 Apr 2021 01:25:38 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210401062031.GA25424@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> request tag can't be zero? I forget... > > Of course it can. But the reserved tags are before the normal tags, > so 0 would be a reserved tag for nvme. Right.