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[209.132.180.67]) by mx.google.com with ESMTP id m10si1498423otq.115.2020.03.12.17.56.00; Thu, 12 Mar 2020 17:56:13 -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; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=dBdEuzW4; 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 S1727033AbgCMAzD (ORCPT + 99 others); Thu, 12 Mar 2020 20:55:03 -0400 Received: from mail-pj1-f68.google.com ([209.85.216.68]:38759 "EHLO mail-pj1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726620AbgCMAzD (ORCPT ); Thu, 12 Mar 2020 20:55:03 -0400 Received: by mail-pj1-f68.google.com with SMTP id m15so2695389pje.3 for ; Thu, 12 Mar 2020 17:55:01 -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=KukQCqFuQ52iEK7w5avP5xTjmDq5q5jmKUrg/HJnFFA=; b=dBdEuzW4dXmH1//0aac/JzhJiPT/Jv6GgevIgxkCudRIIbGZ+PrZ0mGhYKid2dLDs1 5vD8jsk43pBEcmLDcYXADKomszFsjabrjmqo0Io6kP9tuP28QeU8d/tO5Y2iMDpCB5yG bIOghGnbhbFbfmq+yYy8jSa35I3EEsQJnLZ4BmOq6ex+LQY5GdbVIZjN56poUwFKuNjK q9mFBEdgKW+lFyv9eqLAGTkQHlItXCwKO8FgRJ8itTFFhat50M2SRQ05u3buz10uU0q5 3RtgXV7V7MtA6oiJH8Vp9IibKjnCPM8uamzKoWQi7kQi0oc8Ha4QjNP66KveXpEkFO1h XAng== 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=KukQCqFuQ52iEK7w5avP5xTjmDq5q5jmKUrg/HJnFFA=; b=IhZKpIMMkvvJwfUCkijUbHzkTi3MlClseSdXgL7uq0w/OWEEbzw3BiOG9SoPAR8/zw g6HYNFzaExo29l9+mNm9uv331FDn+QAFNbVe8xjUfhOkJECyQfffYUL29nyQIdnYGKE0 ve5xuhGx2LckYfUk23uv0lQYN2dCJvgZj5KOuneBTqNBLZZKcz70Xdozuo7MrsnZ5Scs I0+1bW/yw8kcs19lXZlvfJWQtDfb8Ou/n2kjBZFrID+ehkYgClpjC3NVIjx+hX6YAmDm 5WKha8F1SoeJeF2X1K52coXj0wwwN6UiCJh9EQxZVCn1j0frVLVUcRSVCez3fCE2/4I3 x2pg== X-Gm-Message-State: ANhLgQ2Hv2EwBrpSXcBU3qNf+Bfb1j4npyeeYSPQpMAEIub8vX1fkckH WviiptlfIcIpp5Rw32PrF9GiWaiI+yWDmw== X-Received: by 2002:a17:90a:198b:: with SMTP id 11mr7256074pji.23.1584060900474; Thu, 12 Mar 2020 17:55:00 -0700 (PDT) Received: from [192.168.1.188] ([66.219.217.145]) by smtp.gmail.com with ESMTPSA id p7sm10138453pjp.1.2020.03.12.17.54.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Mar 2020 17:54:59 -0700 (PDT) Subject: Re: [PATCH for-5.7/drivers v2 1/1] null_blk: describe the usage of fault injection param To: Dongli Zhang Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200312220140.12233-1-dongli.zhang@oracle.com> From: Jens Axboe Message-ID: <3937ffef-5b24-6b11-fac7-172a7e654374@kernel.dk> Date: Thu, 12 Mar 2020 18:54:58 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200312220140.12233-1-dongli.zhang@oracle.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 3/12/20 4:01 PM, Dongli Zhang wrote: > As null_blk is a very good start point to test block layer, this patch > adds description and comments to 'timeout', 'requeue' and 'init_hctx' to > explain how to use fault injection with null_blk. > > The nvme has similar with nvme_core.fail_request in the form of comment. Applied, thanks. -- Jens Axboe