From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 078EB5B5AA; Fri, 12 Jan 2024 04:39:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 08BE068CFE; Fri, 12 Jan 2024 05:39:16 +0100 (CET) Date: Fri, 12 Jan 2024 05:39:15 +0100 From: Christoph Hellwig To: Yu Kuai Cc: Bart Van Assche , Jens Axboe , linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, "Martin K . Petersen" , Christoph Hellwig , Ming Lei , Keith Busch , Damien Le Moal , Ed Tsai , Matthias Brugger , AngeloGioacchino Del Regno , "yukuai (C)" Subject: Re: [PATCH v6 1/4] block: Make fair tag sharing configurable Message-ID: <20240112043915.GA5664@lst.de> References: <20231130193139.880955-1-bvanassche@acm.org> <20231130193139.880955-2-bvanassche@acm.org> <58f50403-fcc9-ec11-f52b-f11ced3d2652@huaweicloud.com> <8372f2d0-b695-4af4-90e6-e35b86e3b844@acm.org> <1d3866af-ffca-4f97-914d-8084aca901ab@acm.org> <69b17db7-e9c9-df09-1022-ff7a9e5e04dd@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <69b17db7-e9c9-df09-1022-ff7a9e5e04dd@huaweicloud.com> User-Agent: Mutt/1.5.17 (2007-11-01) On Fri, Jan 12, 2024 at 09:08:25AM +0800, Yu Kuai wrote: > Yes, I realized that, handle the new flag in blk_mq_allow_hctx() is > good, how about following chang? Who would make that decision and on what grounds?