From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_SBL,URIBL_SBL_A,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC3EAC31E51 for ; Tue, 18 Jun 2019 13:18:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C58F1208E4 for ; Tue, 18 Jun 2019 13:18:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MwxxC1Ae" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726088AbfFRNS7 (ORCPT ); Tue, 18 Jun 2019 09:18:59 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:37040 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725988AbfFRNS7 (ORCPT ); Tue, 18 Jun 2019 09:18:59 -0400 Received: by mail-pl1-f196.google.com with SMTP id bh12so5716160plb.4; Tue, 18 Jun 2019 06:18:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=frPkqK5kCI1XnEaOJ+gNA8ONJutQPz+wVq6WTnhwMv8=; b=MwxxC1Aei34Cyt/RQZWMjP+a4hNcl64B+WUfPUJH+bukkH+G4UWUE5+Dat7QBE+FHi kwOPH8bijP+7vCqoozK8KxIRc5ZAPHrTAolIn+NddL1OmmrUzbfUIb5IZd0XwQuusVpH SLkzArTcdoWTyP2tHqrUxQOLIANVq4ci7fUBVt4DCjgQ0Nwg/SDOxohCWUgNpnGi8QB/ vwE8byzpuMJeo43H6vSLet8Zym3fn0uNLcjupCuVRJf+9/N7LVYjRYhADnqIONQ0/LHU hDpnKFEYwGRskf3Tth2u6xHq2hy8AAYl89RH4lIOXIfdQE9+OtnDs/iE6k7o4ibgv8cb Gmgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=frPkqK5kCI1XnEaOJ+gNA8ONJutQPz+wVq6WTnhwMv8=; b=QL6oRg8Q6dVTf8JDTIw88aEpffDD7pBvsYIuUizBGwllSLSr8QSog76iAz6A9q9R4g DaSawSDsBHpWUqvq0eBvuq/2DEJ5y2/IZJovnYtP8svRbMeuNsffeVtjFa8Z1zEgnZxa I104rdRwMpL/AvMb6vmrf65yR1iVWTTp8S9K7NzKxeEUU6ALxKbFfc0OWPugsx5bVY6V 3oKhwIsCzJZFgWy4XGsA9O+OrGgxQj9jSXUZql8rXl8fFv7rzHo3e8XrMUd2P6nN9I9C U6Oo2XKC77E1C4e1y9eQ8bQRO/0GGAr0vIIXZIlKweRC3TPoVWzfNdH/YdrtJARvO0LI lijQ== X-Gm-Message-State: APjAAAWeEpfod4DBjeCbMBIgngDZL7Wnp0QTByeTLO2GZf5HM5Y6N2lm 69juno3LHd7/RhbtU8S7LIM= X-Google-Smtp-Source: APXvYqw8fKeZTvDIlKYXkdfuvQguQX28fZf2Wih+dmg/3F4bhG+gPQl4Td0q7H2vlj0KjFtJiznIgw== X-Received: by 2002:a17:902:8bc1:: with SMTP id r1mr21851807plo.42.1560863938494; Tue, 18 Jun 2019 06:18:58 -0700 (PDT) Received: from localhost ([123.213.206.190]) by smtp.gmail.com with ESMTPSA id j1sm16770659pfe.101.2019.06.18.06.18.57 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 18 Jun 2019 06:18:57 -0700 (PDT) Date: Tue, 18 Jun 2019 22:18:54 +0900 From: Minwoo Im To: Weiping Zhang Cc: axboe@kernel.dk, tj@kernel.org, hch@lst.de, bvanassche@acm.org, linux-block@vger.kernel.org, cgroups@vger.kernel.org, linux-nvme@lists.infradead.org Subject: Re: [PATCH v2 4/4] nvme: add support weighted round robin queue Message-ID: <20190618131854.GA419@minwooim-desktop> References: <0b0fa12a337f97a8cc878b58673b3eb619539174.1560679439.git.zhangweiping@didiglobal.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <0b0fa12a337f97a8cc878b58673b3eb619539174.1560679439.git.zhangweiping@didiglobal.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 19-06-16 18:15:56, Weiping Zhang wrote: > Now nvme support five types hardware queue: > poll: if io was marked for poll > wrr_low: weighted round robin low > wrr_medium: weighted round robin medium > wrr_high: weighted round robin high > read: for read, if blkcg's wrr is none and is not poll > defaut: for write/flush, if blkcg's wrr is none and is not poll > > for read, default and poll those submission queue's priority is medium by default; > > Signed-off-by: Weiping Zhang Hello Weiping, Please add linux-nvme mailing list for this patch to be reviewed from the nvme people.