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 CDEF7ECAAD8 for ; Fri, 16 Sep 2022 18:36:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229932AbiIPSgG (ORCPT ); Fri, 16 Sep 2022 14:36:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57766 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229621AbiIPSgD (ORCPT ); Fri, 16 Sep 2022 14:36:03 -0400 Received: from ale.deltatee.com (ale.deltatee.com [204.191.154.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 305CDB7EE4; Fri, 16 Sep 2022 11:35:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=deltatee.com; s=20200525; h=Subject:In-Reply-To:From:References:Cc:To: MIME-Version:Date:Message-ID:content-disposition; bh=PIZS6JKCM/nCyXPDyinQIk8TT3poLAi1Fl5CTo8GQ+U=; b=qwDjT4GZOdxBaEbM4XuvzTgIs6 evNohzW7HIxYtqD7uDtvgF7h8uk786H3PQPur0g+db0/7ZNowOZc6GCAaCuVpFlXVYV5iQoHoDtAa Mq/I2QZQzJpOpkcWgPyvEiS9+QAUbtJmEanm73iK8062rWbidEScR/LNz37lNVBnRCImOuID/A67G rLhAmejG47ok+PwZl5RrictanP0q44w2jlAj+YllPZcQF+jY+6fKjGvNFfQHC4wD2ENEmnAbx+SSh MGAJzPM+JYdKMnl1jBHnW32XYKOiXz/hV+5TiTWXV5WPVVfyoqqjXkCjMdgTQHLtfOXqaM2vATOgE 6KoB1yfQ==; Received: from guinness.priv.deltatee.com ([172.16.1.162]) by ale.deltatee.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1oZGBo-003JP0-3k; Fri, 16 Sep 2022 12:35:48 -0600 Message-ID: <02a974b9-a3d8-339b-1aea-5879286e72f3@deltatee.com> Date: Fri, 16 Sep 2022 12:35:47 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Content-Language: en-CA To: Yu Kuai , song@kernel.org, guoqing.jiang@linux.dev, pmenzel@molgen.mpg.de Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yi.zhang@huawei.com References: <20220916113428.774061-1-yukuai1@huaweicloud.com> <20220916113428.774061-3-yukuai1@huaweicloud.com> From: Logan Gunthorpe In-Reply-To: <20220916113428.774061-3-yukuai1@huaweicloud.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 172.16.1.162 X-SA-Exim-Rcpt-To: yukuai1@huaweicloud.com, song@kernel.org, guoqing.jiang@linux.dev, pmenzel@molgen.mpg.de, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yi.zhang@huawei.com X-SA-Exim-Mail-From: logang@deltatee.com Subject: Re: [PATCH v3 2/5] md/raid10: don't modify 'nr_waitng' in wait_barrier() for the case nowait X-SA-Exim-Version: 4.2.1 (built Sat, 13 Feb 2021 17:57:42 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-09-16 05:34, Yu Kuai wrote: > From: Yu Kuai > > For the case nowait in wait_barrier(), there is no point to increase > nr_waiting and then decrease it. > > Signed-off-by: Yu Kuai Reviewed-by: Logan Gunthorpe