Received: by 2002:a05:6358:a55:b0:ec:fcf4:3ecf with SMTP id 21csp1326563rwb; Thu, 19 Jan 2023 09:13:12 -0800 (PST) X-Google-Smtp-Source: AMrXdXtv66CUkl12rTkARb9IHNqVieRMjbyDm8D9Y4HWP/Gy8385K3x59kNJc0cAtYTtxmAhJFDl X-Received: by 2002:a05:6a20:3b0f:b0:b5:a4de:93bb with SMTP id c15-20020a056a203b0f00b000b5a4de93bbmr9172307pzh.53.1674148392486; Thu, 19 Jan 2023 09:13:12 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674148392; cv=none; d=google.com; s=arc-20160816; b=Hzu0SQrpnxKepmexwlJTIs+IZ7XXeDMo8lft2e4AQKLheQwJcHyukbMMPs63V6ZdPE 29wPQ1sP92u4yDtC51wuuhJg6Cgu/GdSbystjXSR67eGL41YddDNRPeWgNYe9Jp38V9c aypiQTey+mhuykleYVJoFlGc5OXL3v68l4byx2uzEcqQhubKthCEcr4++BuTlrqZnEDF CEWRHZEDZIcwgYynDFIWK86dviIfPYr1JlKiWNAB0RSQpoxjnEVH51Sthv02hpE99RGH tYce3zQx7dhzJYSftDuYOSbKV5V6eOiKJTqVLNgc7G8m9O1ZkUjKLyp3As/dqu9NHJrx mLlw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=l2WBiCb5duYJRA9nKpihqrJOH1Qjg6utSrFiu8qAdtc=; b=N7pxjYzUGFN3Igxjg7eS/MqTzNqDsY9RoGu6kWzG5Uad0Cx/c1+ftfZRKNMJCLEgh9 rHXPBcGW1LJv70Rs9D2KoWNdedlcvMsndKarCt7kVlON7tAFHCjKt2AEaYD1eoQf8oHK OtimMQWJi5eNCenkgrdT4ME6ru/IT5JTzi45z6NQkmwgEfjLu/bUoeg12A6SSaxp2wao wWWj9sdAVUDJjeZp8ODtarjkt9rEqpQAwWqzvbXEifZvBhc7DSKk6SZ7+AE3E0y6Cqsb HIeyHbzL/qTRt7/G2+rZYrNo4Y5Vep27p+desxR66SJG00DTf2H1R2MqL4zgtIwK4XA2 UEIA== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id b17-20020a631b11000000b004b4a60b8a2fsi17574239pgb.354.2023.01.19.09.13.01; Thu, 19 Jan 2023 09:13:12 -0800 (PST) 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230234AbjASQln (ORCPT + 45 others); Thu, 19 Jan 2023 11:41:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230333AbjASQlk (ORCPT ); Thu, 19 Jan 2023 11:41:40 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65BA95B5B2; Thu, 19 Jan 2023 08:41:34 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id 951C868D0D; Thu, 19 Jan 2023 17:41:30 +0100 (CET) Date: Thu, 19 Jan 2023 17:41:30 +0100 From: Christoph Hellwig To: Yu Kuai Cc: tj@kernel.org, hch@lst.de, josef@toxicpanda.com, axboe@kernel.dk, cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: Re: [PATCH -next v3 1/3] blk-cgroup: dropping parent refcount after pd_free_fn() is done Message-ID: <20230119164130.GA3332@lst.de> References: <20230119110350.2287325-1-yukuai1@huaweicloud.com> <20230119110350.2287325-2-yukuai1@huaweicloud.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230119110350.2287325-2-yukuai1@huaweicloud.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_NONE autolearn=ham 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 Looks good, Reviewed-by: Christoph Hellwig