Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp1726522pxa; Sun, 23 Aug 2020 14:04:07 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx8oUPBQgzYVQCxcORTRcUgT8qrl7jlVFZ6J+cTFpFlrvbSaG/xQEDtYUM0ZRa6+DMYGpM6 X-Received: by 2002:a17:906:d10e:: with SMTP id b14mr2706696ejz.127.1598216647588; Sun, 23 Aug 2020 14:04:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1598216647; cv=none; d=google.com; s=arc-20160816; b=mTLKPFu/I/IQE42S5kE8UGUa6/FJtAuCs54mT9hrGkxRfntDb3uFpRdHs2/Yf9tjS2 8y+PJ4IzVtgC/oLHEdtnDRzjw1hypVYdRzjE0yPosn98VCku8zM+/jQYaVJZTLz/ymwC dUG3ubFeeytcBGoQUKj0uFrPAK1K98osKFqLogFacAQMd0hhl8QrzXrJ9KinjugNiElT ME2JI+x6lEWuMI9YR/4JxjvGyHYNz1aAqK9fmHs8fcEe2ONz1hAHxSRTrtw8Qt35OEIz Ya3uPoiRFaliT1GSPjlKfVq/zudZcz3DnxAPzQxt5rl2wdJ3rrBMqq3den8q8o9/rAfQ 5uig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:dkim-signature; bh=zS0ecbpZZ+cVdlZa+aZAL5hWPlBuHCBFZniPWAzuhC8=; b=eV8WRO8WdSyJN38dJmO4PokIvesviWUv0e4CpSerD2s0Cuzj0Jj8BUmtDxtF/Q4fG+ CxCetXEegBH2wJNPs7bTR+Dehqc+0cOSzlNX985GL7UeIGLXVNn9JdmbipRYWUgW6Zcf 6Rs49a3HZf/7IxKdxz+36y7ZvjO9WFnzUJD//KTlzKKQqZbdpgEjamLQreCUzfkRRPgG LWfghgLQNqXlXQvz3nSG4pcx+lG90XP9AsoqoGnvFeXPi4in5Judmw1pBKAEgkI3ONZ2 RbQ4e+rvobcCwf6w2QpYJxGNjK25I6LPZoDIByPmDl50uTfhy2NMYWGE66DnvFPl9Xn7 CcvA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=K3kr31LR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id lj14si5061496ejb.503.2020.08.23.14.03.45; Sun, 23 Aug 2020 14:04:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=K3kr31LR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726475AbgHWU6Z (ORCPT + 99 others); Sun, 23 Aug 2020 16:58:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725995AbgHWU6Y (ORCPT ); Sun, 23 Aug 2020 16:58:24 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 693D9C061573 for ; Sun, 23 Aug 2020 13:58:24 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id o13so3586279pgf.0 for ; Sun, 23 Aug 2020 13:58:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=zS0ecbpZZ+cVdlZa+aZAL5hWPlBuHCBFZniPWAzuhC8=; b=K3kr31LRIux788x0rBtRMvzRJ+5++K+3UFf3uhX9RcvkrOioN6TY7wv71Wt8cLwLXv YfIT7goRQUkp3f0koA0fOY8Ql1jBqviGoqKvo6w63ao3quEat9E2b0V/7CsbYMtUYhNW 0f92pTadFo0+RkPe14oNq5c8RtgPBaRSmXIvtMFBmthXM9gQUrAc9Oo2ThjhVSB9Hxu/ YmW1lv2QSo4fJA+eFn6LfSWmcimedezE09Ec+Z57OX4PqNEaK72yXLd4teDIp5YMnddV KPumVHW4hJnkNcWX1ugwPOQPId60RQhySTQbndgfomxAgJL9607+e0TiSQP6Dmz8CdFP DIBA== 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=zS0ecbpZZ+cVdlZa+aZAL5hWPlBuHCBFZniPWAzuhC8=; b=Em1ojYxCFXjdCyDScyItwt7LBmqRSwHq1KSX78AHmAkCixXbaZpJITaqXHQAhi/f9G +akw4euoJmodI8PZ+7+mslKm/qP9U/fDDoxEkQj2qt0IPZU3pUJOSRNvAnNCM2QlD6Z4 x9NGe4vure4OceTJuOWbYAeKeTJ4OQ2a5kRDvGVGSTP9b1l6Bhfz0/p+BQA2xxA55Y/p k16Nhk7Z0bWS72iMJz6Td/imKLIhzE1b1sn9QmMufk4Mq/jJMZSw9AM+oAjwLpo/K9uZ grB1xaU3lV4V1aqIEAuVL00+IJ4apQ+9WO7Aqea/fzNYGqieHPgpjCZG0d6EFNPnhJbl 830g== X-Gm-Message-State: AOAM5330gXkcdz5MxUC+L84y2Vd/wMjfPdD/9CuylpKZzkA77GGAPcr/ cvVRbFLMN9FcfKd7GJvM8yK+aLYGvmba38Ps X-Received: by 2002:a63:cf03:: with SMTP id j3mr1593200pgg.14.1598216303091; Sun, 23 Aug 2020 13:58:23 -0700 (PDT) Received: from [192.168.1.182] ([66.219.217.173]) by smtp.gmail.com with ESMTPSA id y72sm9192384pfg.58.2020.08.23.13.58.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 23 Aug 2020 13:58:22 -0700 (PDT) Subject: Re: [PATCH] blk-mq: use BLK_MQ_NO_TAG for no tag To: Xianting Tian , ast@kernel.org, daniel@iogearbox.net, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, andriin@fb.com, john.fastabend@gmail.com, kpsingh@chromium.org Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200823154459.40731-1-tian.xianting@h3c.com> From: Jens Axboe Message-ID: <1b85d18e-b0ae-a925-bb84-0a1eb8942099@kernel.dk> Date: Sun, 23 Aug 2020 14:58:20 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200823154459.40731-1-tian.xianting@h3c.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/23/20 9:44 AM, Xianting Tian wrote: > Replace various magic -1 constants for tags with BLK_MQ_NO_TAG. Doesn't look like this patch was even compiled... -- Jens Axboe