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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 21-20020a17090a195500b0025ec19d478bsi8856597pjh.139.2023.06.20.08.58.33; Tue, 20 Jun 2023 08:58:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=acm.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232813AbjFTPUo (ORCPT + 99 others); Tue, 20 Jun 2023 11:20:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233710AbjFTPUh (ORCPT ); Tue, 20 Jun 2023 11:20:37 -0400 Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 634C91731; Tue, 20 Jun 2023 08:20:21 -0700 (PDT) Received: by mail-pl1-f173.google.com with SMTP id d9443c01a7336-1b516978829so38925465ad.1; Tue, 20 Jun 2023 08:20:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687274420; x=1689866420; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=UkZu9jCa+XfTRWAAYoCY/vLwn0a63A/ySsQ0zgyB474=; b=L0x1BAnwFa8BFZQ4hToy/iV50n0NLNAGN7MOypsL4GO1AriFND1yIEozdfCZIctNx/ 21OTi383nSISxDKCRVbHVpB1ySmJnwNvxSZlluZSU4A6zj2yDerr1CVLU0nSVxXlPe05 n4aEa9gPY6VV2U17l1obZsilbmsgHYy4PlwNcI1PgZh1s4mIAsLPYuvkrnyqGoATADT5 4tAZ2JTMsKsyDCA714rZZOw7aKWS4Kcn5l49oco3fdeUjiuwwqmthHsc8xxmUQoEoEtl i2nW57UQtJYo+J/u9vxWJSynv+VqeQ0rLr2++P7zxFJ3Ab0sxliT1fTIiNv8tYi1lBCx ia7w== X-Gm-Message-State: AC+VfDykkyVwiZBeDcddNgKebKIpVnmphIusevo+CDvFpvzl0Jd2zbj7 c8nc0PFmL98jlfAiOSlApg3ugK7IZ+0= X-Received: by 2002:a17:902:f693:b0:1b0:577c:2cb with SMTP id l19-20020a170902f69300b001b0577c02cbmr17114944plg.25.1687274420516; Tue, 20 Jun 2023 08:20:20 -0700 (PDT) Received: from [192.168.50.14] ([98.51.102.78]) by smtp.gmail.com with ESMTPSA id i1-20020a170902c94100b001ae7fad1598sm1786314pla.29.2023.06.20.08.20.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Jun 2023 08:20:19 -0700 (PDT) Message-ID: <4c9fea33-9c30-4ab9-c210-95e09d323837@acm.org> Date: Tue, 20 Jun 2023 08:20:16 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH RFC 0/7] blk-mq: improve tag fair sharing Content-Language: en-US To: Yu Kuai , axboe@kernel.dk Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yi.zhang@huawei.com, yangerkun@huawei.com, Christoph Hellwig References: <20230618160738.54385-1-yukuai1@huaweicloud.com> From: Bart Van Assche In-Reply-To: <20230618160738.54385-1-yukuai1@huaweicloud.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/18/23 09:07, Yu Kuai wrote: > This is not a formal version and not fully tested, I send this RFC > because I want to make sure if people think doing this is meaningful, > before I spend too much time on this. The approach looks good to me but I'd like to hear from Jens and Christoph what their opinion is about the approach of this patch series before doing an in-depth review. Thanks, Bart.