From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73DD6C3 for ; Mon, 11 Dec 2023 09:20:03 -0800 (PST) Received: by mail-pl1-f171.google.com with SMTP id d9443c01a7336-1d04dba2781so28757525ad.3 for ; Mon, 11 Dec 2023 09:20:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702315203; x=1702920003; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=y/JdW9KB2Bz5CkX3RnkrraHjFEyd3VbuIm/2hum62tc=; b=NZvBFq0xwFRpdHgEUXLYma19JMx4EX2NilKv34/itkul6lG2Zftp2yTUlvQE5af0wX 3Iwx8E+agbRNdLTnyQWi/31X9sOZLcQ0gsqqdWKFJcooomwu3euqqq+06UiyWtSVo2ox trEJFnR8uUsYNaVJz0D5FohPLNh+21C4Y0JJ0YM3tB7NW3SadbOZlKXvUhNyKdsrosBr 8DWx0rJjpuJIAILGbdjB6/96M2j2nagXWwETu0RZ/9Wo+utrmLwdC+v/Ru5Yj9E6Xy4s fhCy0Rl5C/dtcf4/FH7S4Yz42a9yhEn8AhaKGeNe5f2FbCgeJo8HVlJ5EZA/dhz8ZOit KHLw== X-Gm-Message-State: AOJu0YxPWEjFECsQBhToUV0W52LrioNMG+xtRq86oETHv9lmrAiRYCtU nr6u/C2DDVfJ1sPg5qz5jx8= X-Google-Smtp-Source: AGHT+IHhoLD/ou7QFpeh2L1SBV1+Ro8n+zLfRooWieLDwkdOZe/9X+JXEzmTRHeMtvQXJ2dPkWvsDw== X-Received: by 2002:a17:902:7b91:b0:1d0:6ffe:1e6e with SMTP id w17-20020a1709027b9100b001d06ffe1e6emr2478070pll.81.1702315202683; Mon, 11 Dec 2023 09:20:02 -0800 (PST) Received: from ?IPV6:2620:0:1000:8411:3431:681a:6403:d100? ([2620:0:1000:8411:3431:681a:6403:d100]) by smtp.gmail.com with ESMTPSA id l12-20020a170902f68c00b001d09b006bc1sm6884557plg.21.2023.12.11.09.20.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 Dec 2023 09:20:02 -0800 (PST) Message-ID: <7d323197-c85d-4692-83db-9867104c48fd@acm.org> Date: Mon, 11 Dec 2023 09:20:00 -0800 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] block/mq-deadline: Disable I/O prioritization in certain cases Content-Language: en-US To: Christoph Hellwig Cc: Jens Axboe , linux-block@vger.kernel.org, Jaegeuk Kim , Damien Le Moal References: <20231205053213.522772-1-bvanassche@acm.org> <20231205053213.522772-4-bvanassche@acm.org> <20231211165720.GC26039@lst.de> From: Bart Van Assche In-Reply-To: <20231211165720.GC26039@lst.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12/11/23 08:57, Christoph Hellwig wrote: > Or do you mean your f2fs hacks where you assume there is some order > kept? Hi Christoph, It seems like there is a misunderstanding. The issue addressed by this patch series is not F2FS-specific. The issue addressed by this patch series can be encountered by any software that submits REQ_OP_WRITE operations. Bart.