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[174.109.170.245]) by smtp.gmail.com with ESMTPSA id cf17-20020a05622a401100b0039c7b9522ecsm336321qtb.35.2022.10.17.11.20.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Oct 2022 11:20:56 -0700 (PDT) Date: Mon, 17 Oct 2022 14:20:55 -0400 From: Josef Bacik To: Kemeng Shi Cc: tj@kernel.org, axboe@kernel.dk, cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] block: Correct comment for scale_cookie_change Message-ID: References: <20220929074055.30080-1-shikemeng@huawei.com> <20220929074055.30080-3-shikemeng@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220929074055.30080-3-shikemeng@huawei.com> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,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 On Thu, Sep 29, 2022 at 03:40:54PM +0800, Kemeng Shi wrote: > Default queue depth of iolatency_grp is unlimited, so we scale down > quickly(once by half) in scale_cookie_change. Remove the "subtract > 1/16th" part which is not the truth. > Ok sure, but at least update the comment to indicate what we actually do when scaling down. Thanks, Josef