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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 586CDC7EE26 for ; Tue, 9 May 2023 14:04:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235711AbjEIOEg (ORCPT ); Tue, 9 May 2023 10:04:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233731AbjEIOEc (ORCPT ); Tue, 9 May 2023 10:04:32 -0400 Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9035D4EE4; Tue, 9 May 2023 07:04:17 -0700 (PDT) Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-6439d505274so3311094b3a.0; Tue, 09 May 2023 07:04:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683641047; x=1686233047; 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=9iYEfFTtNREDQTvxRbwhudL5byolCTLR+oROEUU0XWk=; b=cXaFOb3TYm5YAVgKvsnr+fUF4OGMyXeTAB54Q6bGl/cDQHuldc8pgDLD5HROtP1/1T LEG0iT1eOCymhxVDu+868sJeLalHO5o0v0KS6ROjhOtBL/iaDlo+V5Rdovvsf4oKqJkG bScaGifYEM+1JuGB2IFe4AAFrWWm0WvjV7xIZdTbFVy1WOihBauaxNhLppjipfjQ2Sc5 anvlw1jI3zSNGHwuO1P2/J/1qvrBaTkGulZWnTBU3ttms9LjvE2nY2Ldu5BXr4aAupY0 zZLlBqbU9sgqPFNf0TSDUMQiveGVJ9tQIwDwNzoPWu45JSrg9x0bTjS8QG6LvhVnlMl4 DRjw== X-Gm-Message-State: AC+VfDzJT2kpZ10Fqd4ReBCshqxheXefKT1gZV52twwNcR5OWWXR8s/3 EyJ3lDmxjrdPeR+s+B8BXXw= X-Google-Smtp-Source: ACHHUZ7bmLHWSD/owi64qe/gcPVVP1QwblzeAhOQrZYE11UgsG7VHYh36OLy+DLbg3Mw0K08Knb3Iw== X-Received: by 2002:a05:6a20:244a:b0:100:5222:7c0d with SMTP id t10-20020a056a20244a00b0010052227c0dmr10023694pzc.52.1683641047080; Tue, 09 May 2023 07:04:07 -0700 (PDT) Received: from [172.20.11.151] ([173.214.130.133]) by smtp.gmail.com with ESMTPSA id f23-20020aa782d7000000b0063d63d48215sm1842392pfn.3.2023.05.09.07.04.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 09 May 2023 07:04:06 -0700 (PDT) Message-ID: Date: Tue, 9 May 2023 07:04:06 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: [PATCH 2/2] ufs: don't use the fair tag sharings Content-Language: en-US To: Avri Altman , Ed Tsai , "axboe@kernel.dk" Cc: "linux-block@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "martin.petersen@oracle.com" , "stanley.chu@mediatek.com" , "peter.wang@mediatek.com" , "chun-hung.wu@mediatek.com" , "alice.chao@mediatek.com" , "powen.kao@mediatek.com" , "naomi.chu@mediatek.com" , "wsd_upstream@mediatek.com" References: <20230509065230.32552-1-ed.tsai@mediatek.com> <20230509065230.32552-3-ed.tsai@mediatek.com> From: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/9/23 01:03, Avri Altman wrote: > However, I think the decision of that should be of the platform owner, > And not in the core driver. Hi Avri, I don't see any use case in which performance of a UFS device would be improved by leaving QUEUE_FLAG_FAIR_TAG_SHARING enabled. Are you perhaps aware of such a use case? Thanks, Bart.