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Tsirkin" To: Li Feng Cc: Jens Axboe , Jason Wang , Paolo Bonzini , Stefan Hajnoczi , Xuan Zhuo , "open list:BLOCK LAYER" , linux-kernel , "open list:VIRTIO BLOCK AND SCSI DRIVERS" Subject: Re: [PATCH] virtio_blk: set the default scheduler to none Message-ID: <20231226040342-mutt-send-email-mst@kernel.org> References: <20231207043118.118158-1-fengli@smartx.com> <20231225092010-mutt-send-email-mst@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@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: On Tue, Dec 26, 2023 at 05:01:40PM +0800, Li Feng wrote: > Hi MST and paolo, > > mq-deadline is good for slow media, and none is good for high-speed media. > It depends on how the community views this issue. When virtio-blk adopts > multi-queue,it automatically changes from deadline to none, which is not > uniform here. It's not virtio-blk changing though, it's linux doing that, right? Is virtio-blk special somehow? > I don't have ideas right now to answer Christoph/Paolo's question. > > Thanks, > Li -- MST