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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86699C433FE for ; Fri, 7 Jan 2022 01:04:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345034AbiAGBEu (ORCPT ); Thu, 6 Jan 2022 20:04:50 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]:17330 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236544AbiAGBEt (ORCPT ); Thu, 6 Jan 2022 20:04:49 -0500 Received: from kwepemi100007.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4JVQ2l2KF4z920b; Fri, 7 Jan 2022 09:03:43 +0800 (CST) Received: from kwepemm600009.china.huawei.com (7.193.23.164) by kwepemi100007.china.huawei.com (7.221.188.115) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Fri, 7 Jan 2022 09:04:46 +0800 Received: from [10.174.176.73] (10.174.176.73) by kwepemm600009.china.huawei.com (7.193.23.164) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Fri, 7 Jan 2022 09:04:45 +0800 Subject: Re: [PATCH 4/4] block, bfq: update pos_root for idle bfq_queue in bfq_bfqq_move() To: Jan Kara CC: , , , , , , , , References: <20211221032135.878550-1-yukuai3@huawei.com> <20211221032135.878550-5-yukuai3@huawei.com> <20211221115001.GD24748@quack2.suse.cz> <6ca1e924-47fa-b94e-598c-69a9549eb68e@huawei.com> <20211222141722.GC685@quack2.suse.cz> <9743fc5a-f3f0-a23a-5d21-0c04c90e90e1@huawei.com> <5b42943f-4a8e-c4ec-05da-57e36cc14113@huawei.com> <20220103153732.pcfsmadzlqqroxcj@quack3> From: "yukuai (C)" Message-ID: <44c41001-c072-8e13-77e3-c19b8c12ab41@huawei.com> Date: Fri, 7 Jan 2022 09:04:45 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20220103153732.pcfsmadzlqqroxcj@quack3> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.176.73] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600009.china.huawei.com (7.193.23.164) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2022/01/03 23:37, Jan Kara 写道: > OK, thanks for following up on this. So do I understand you correctly that > the problem with empty bfqq being in pos_tree does not exist in current > upstream kernel? Yes, I had this patch removed in v2 patchset. Thanks, Kuai