From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 011.lax.mailroute.net (011.lax.mailroute.net [199.89.1.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8EEDE42EEB8; Wed, 10 Jun 2026 16:05:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781107545; cv=none; b=bT+7M9dJqAAlpb4gqWTi7EYK+okEN3Jc+J2BwXdkvP1U9sto4J4ag4MCNgqeT8rLGM0NCADkrswciyKM30z6A63fzh1URK4vkrtQaCHoSwwtgQ0qT+dLNLSQhP0y+H87ZWneKAF8Z/P7Or2u6Ii0q05/It8l4H/MfxQfLPpzZWQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781107545; c=relaxed/simple; bh=4g06kR2RckvBV7kCGKvXj9C1F/7q+DmeXmWHnyrFlTA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ByGje9GIGqsA9d6f1ZtgKnggWsbsdKN4A+UQ9glIvrMZt0iyC3N/pCXMn8dm28v+lTfIbfMR70FyxBBj1t+QNzBV13HFB82M1Au+aXJe/PtKIjVbvzgIBg89B/wDESjk6KZy/moCVqy7BFDppjO3dgLoZ5UtPczcNOgfdDqJ83k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=fkbj5R4t; arc=none smtp.client-ip=199.89.1.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="fkbj5R4t" Received: from localhost (localhost [127.0.0.1]) by 011.lax.mailroute.net (Postfix) with ESMTP id 4gb9c56Zp1z1XLyhV; Wed, 10 Jun 2026 16:05:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:content-language:references:subject:subject :user-agent:mime-version:date:date:message-id:received:received; s=mr01; t=1781107538; x=1783699539; bh=4g06kR2RckvBV7kCGKvXj9C1 F/7q+DmeXmWHnyrFlTA=; b=fkbj5R4tOI5lubOPFat6/GZdWo+ycb3oJo7xk1fr b658P0CtpayqRMiKyXjB2QQ1dmvJ71GfYwEZHQPnG1vwmyImHMdQtR0S0A/GjkH9 mLGI5dkr9OIOjx4fLhZ+WKys3xMHs07JAPPLvMk/ma53H6NY5Boaw8r/QJcnqF8t pVlWTlZKRhbSmzX+1LyFWsXgV34EIahLS4Sz8mTBOduLQVXdHK0HCzgPSulGTGrk Qh18HyjMZxxtcK+uay2jL0KE7v9FbF7VUSagPaidN+ZpJqtrPh/DZGz7cZyK7OJO g55/ILtj2t4FZCYWAXdhoyn+E77thZyhI/WpdnAoC5FC2A== X-Virus-Scanned: by MailRoute Received: from 011.lax.mailroute.net ([127.0.0.1]) by localhost (011.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id Zdm7l2cw2X3o; Wed, 10 Jun 2026 16:05:38 +0000 (UTC) Received: from [100.119.48.131] (unknown [104.135.180.219]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 011.lax.mailroute.net (Postfix) with ESMTPSA id 4gb9bz5MFLz1XLyhT; Wed, 10 Jun 2026 16:05:35 +0000 (UTC) Message-ID: <3086f8a4-1f0b-4261-a19f-1ec0f4d2af80@acm.org> Date: Wed, 10 Jun 2026 09:05:34 -0700 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 v3 3/4] block: drop shared-tag fairness throttling To: open-iscsi@googlegroups.com, Hannes Reinecke , Sumit Saxena , "Martin K . Petersen" , Jens Axboe Cc: "James E . J . Bottomley" , linux-scsi@vger.kernel.org, linux-block@vger.kernel.org References: <20260609121806.2121755-1-sumit.saxena@broadcom.com> <20260609121806.2121755-4-sumit.saxena@broadcom.com> <93a82831-608d-4462-a019-26b3adc7089c@suse.de> Content-Language: en-US From: Bart Van Assche In-Reply-To: <93a82831-608d-4462-a019-26b3adc7089c@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 6/9/26 11:18 PM, Hannes Reinecke wrote: > The whole point of this was to increase fairness between drives, so > of course removing it will make an individual drive going faster ... Data that shows that fairness is preserved even with this patch applied is available here: https://lore.kernel.org/linux-block/20240529213921.3166462-1-bvanassche@acm.org/ Thanks, Bart.