From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f176.google.com (mail-pf1-f176.google.com [209.85.210.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A0D9E5FDC1; Tue, 23 Jan 2024 15:16:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.176 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706022969; cv=none; b=RXCvwKIw6a6geFLBlWqcpPxq488/Zi2N+ZMm7mCBLe68BLixPU922BqiaDiu5Ga6kLnyNJjMoXWWH0yoeN4OV8Z5QXu6b8JDgE0/hWuUgQV6mUhRqoistatLcP7P2Q99q8F4b0AQXt9pWmyhjDF8890DzJLfXSjAmsSpfy7vSbU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706022969; c=relaxed/simple; bh=4MN9XPaI8DG5h/Mb5684YL7mALVoD0cvXWChmDz4dxE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=n3oZlQM/R+Sr/moi/to1kT33FSOm1Jq2twkZF+2OtsP+R2hKHjVW2p3v989+TD7MGGNh2A/TBt+7XM/Oyvf1fD0vhM5hOGst2j9oqdLKcS+fgZ5DJBRDOQ4dG65zwmXegv+UEmJR6lN5yJQmD61xt3g364y89eyvjsNGc0+xT0Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=acm.org; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.210.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pf1-f176.google.com with SMTP id d2e1a72fcca58-6da4a923b1bso2921201b3a.2; Tue, 23 Jan 2024 07:16:08 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706022968; x=1706627768; 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=4MN9XPaI8DG5h/Mb5684YL7mALVoD0cvXWChmDz4dxE=; b=ewyUShQx9cyMPoIyJ4KSK407ri6hDUuTByaaZtHgmmSefuyraQI6LZAqEgPD6pwScI f2T04ofTyZCzdArs/R6xwNPLCTTubJjiyNaW0mNnKpxIzGby0YUedLD4kaBxGF7+grvN eW5OtHQP1b08TexsshIi/Cftrj3i8NXjMYBQoOuV0dV/UNspC3s3X2hrgIsLNznBnQwH ozr3QgfvZYozYZ1wsQvYtIhQwC29sqMVNjepflYwrNq6yiTHfKxOj1Y1ukTxNH+N7qVY VGatJ3PBnbcMxXoNRx4Ob0Y3wpNSd6IrAn7FsGL5JiaH1rwe0jF18wapWHt0XwG3dC4s 7DNQ== X-Gm-Message-State: AOJu0YzRnOlYws7lzymiE05qrS4bNI6TeESmqWHAA+Y4G31FwacHHsKk liy8uziNqzllzqzkpRf9Qb1XGw2eksj+QLCW4tjI5JgSGVSosWb/ X-Google-Smtp-Source: AGHT+IFp7pMnYH0gktm7QzybFFbhLvtSr7LvguBU3uq+yohXAmjef/mpr/BM6n/KLut6dYDgxALkCQ== X-Received: by 2002:a05:6a20:7aa1:b0:199:f15e:f8cb with SMTP id u33-20020a056a207aa100b00199f15ef8cbmr2612477pzh.53.1706022967737; Tue, 23 Jan 2024 07:16:07 -0800 (PST) Received: from [192.168.51.14] (c-73-231-117-72.hsd1.ca.comcast.net. [73.231.117.72]) by smtp.gmail.com with ESMTPSA id h10-20020a65638a000000b005c2420fb198sm9026991pgv.37.2024.01.23.07.16.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Jan 2024 07:16:07 -0800 (PST) Message-ID: Date: Tue, 23 Jan 2024 07:16:05 -0800 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 1/4] block: Make fair tag sharing configurable Content-Language: en-US To: Christoph Hellwig Cc: Yu Kuai , Jens Axboe , linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, "Martin K . Petersen" , Ming Lei , Keith Busch , Damien Le Moal , Ed Tsai , Matthias Brugger , AngeloGioacchino Del Regno , "yukuai (C)" References: <69b17db7-e9c9-df09-1022-ff7a9e5e04dd@huaweicloud.com> <20240112043915.GA5664@lst.de> <2d83fcb3-06e6-4a7c-9bd7-b8018208b72f@huaweicloud.com> <20240115055940.GA745@lst.de> <0d23e3d3-1d7a-f76b-307b-7d74b3f91e05@huaweicloud.com> <20240118073151.GA21386@lst.de> <434b771a-7873-4c53-9faa-c5dbc4296495@acm.org> <20240123091316.GA32130@lst.de> From: Bart Van Assche In-Reply-To: <20240123091316.GA32130@lst.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/23/24 01:13, Christoph Hellwig wrote: > The point is why you think fair sharing is not actually required for > these particular setups only. Hi Christoph, Do you perhaps want me to move the SCSI host sysfs attribute that controls fair sharing to the /sys/block/${bdev}/queue directory? Thanks, Bart.