From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2AFBDB for ; Tue, 12 Dec 2023 10:26:16 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id C107468AFE; Tue, 12 Dec 2023 19:26:13 +0100 (CET) Date: Tue, 12 Dec 2023 19:26:13 +0100 From: Christoph Hellwig To: Bart Van Assche Cc: Christoph Hellwig , Damien Le Moal , Jens Axboe , linux-block@vger.kernel.org, Jaegeuk Kim Subject: Re: [PATCH 3/3] block/mq-deadline: Disable I/O prioritization in certain cases Message-ID: <20231212182613.GA1216@lst.de> References: <20231211165720.GC26039@lst.de> <177773fd-c8ed-4822-9344-3058e820ddf0@kernel.org> <20231212154140.GB20933@lst.de> <42054848-2e8d-4856-b404-c042a4365097@acm.org> <20231212171846.GA28682@lst.de> <686cc853-96e2-4aa4-8f68-fdcc5cdabbba@acm.org> <20231212174802.GA30659@lst.de> <5b7be2e9-3691-409d-abff-f1fbf04cef7d@acm.org> <20231212181304.GA32666@lst.de> <19cd459e-d79e-4ecd-8ec8-778be0066e84@acm.org> Precedence: bulk X-Mailing-List: linux-block@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: <19cd459e-d79e-4ecd-8ec8-778be0066e84@acm.org> User-Agent: Mutt/1.5.17 (2007-11-01) On Tue, Dec 12, 2023 at 10:19:31AM -0800, Bart Van Assche wrote: > "Fundamentally broken model" is your personal opinion. I don't know anyone > else than you who considers zoned writes as a broken model. No Bart, it is not. Talk to Damien, talk to Martin, to Jens. Or just look at all the patches you're sending to the list that play a never ending hac-a-mole trying to bandaid over reordering that should be perfectly fine. You're playing a long term losing game by trying to prevent reordering that you can't win.