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 9911EC04A95 for ; Thu, 29 Sep 2022 07:41:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235438AbiI2Hlh (ORCPT ); Thu, 29 Sep 2022 03:41:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235336AbiI2HlR (ORCPT ); Thu, 29 Sep 2022 03:41:17 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 529A2139BF8; Thu, 29 Sep 2022 00:41:01 -0700 (PDT) Received: from kwepemi500016.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MdQFQ0kJqzpV4Q; Thu, 29 Sep 2022 15:38:02 +0800 (CST) Received: from huawei.com (10.174.178.129) by kwepemi500016.china.huawei.com (7.221.188.220) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Thu, 29 Sep 2022 15:40:58 +0800 From: Kemeng Shi To: , CC: , , , Subject: [PATCH 2/3] block: Correct comment for scale_cookie_change Date: Thu, 29 Sep 2022 15:40:54 +0800 Message-ID: <20220929074055.30080-3-shikemeng@huawei.com> X-Mailer: git-send-email 2.14.1.windows.1 In-Reply-To: <20220929074055.30080-1-shikemeng@huawei.com> References: <20220929074055.30080-1-shikemeng@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.174.178.129] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500016.china.huawei.com (7.221.188.220) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org 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. Signed-off-by: Kemeng Shi --- block/blk-iolatency.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index a8cc5abe91e5..2666afd7abdb 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -364,7 +364,7 @@ static void scale_cookie_change(struct blk_iolatency *blkiolat, } /* - * Change the queue depth of the iolatency_grp. We add/subtract 1/16th of the + * Change the queue depth of the iolatency_grp. We add 1/16th of the * queue depth at a time so we don't get wild swings and hopefully dial in to * fairer distribution of the overall queue depth. */ -- 2.30.0