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[2603:800c:1a02:1bae:e24f:43ff:fee6:449f]) by smtp.gmail.com with ESMTPSA id hk3sm10314466pjb.12.2022.02.14.10.59.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Feb 2022 10:59:27 -0800 (PST) Sender: Tejun Heo Date: Mon, 14 Feb 2022 08:59:26 -1000 From: Tejun Heo To: Chengming Zhou Cc: axboe@kernel.dk, boris@bur.io, cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] blk-cgroup: set blkg iostat after percpu stat aggregation Message-ID: References: <20220213085902.88884-1-zhouchengming@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220213085902.88884-1-zhouchengming@bytedance.com> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE, 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 Sun, Feb 13, 2022 at 04:59:02PM +0800, Chengming Zhou wrote: > Don't need to do blkg_iostat_set for top blkg iostat on each CPU, > so move it after percpu stat aggregation. > > Fixes: ef45fe470e1e ("blk-cgroup: show global disk stats in root cgroup > io.stat") I'm not sure Fixes tag is necessary here. > Signed-off-by: Chengming Zhou but other than that, Acked-by: Tejun Heo Thanks. -- tejun