Received: by 2002:ad5:4acb:0:0:0:0:0 with SMTP id n11csp4347154imw; Tue, 12 Jul 2022 06:31:02 -0700 (PDT) X-Google-Smtp-Source: AGRyM1tv3YyIQcCbMA0AloyRnuqdFYdKa3pWpX7N4BaVV+F/MGJReHvLm2fZItTfONNvVmS8IR27 X-Received: by 2002:a17:907:d88:b0:72b:1127:33f5 with SMTP id go8-20020a1709070d8800b0072b112733f5mr24421303ejc.725.1657632662065; Tue, 12 Jul 2022 06:31:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1657632662; cv=none; d=google.com; s=arc-20160816; b=HhyM1JvJ01OKlXIVDcmG9yjO9zfk883uSNsuMe4dP0N5GSLAl81PsTJ/9acA1tFC7F NLvDEzcHlPeT2DiudkFqtylgxY7fEaHQ6N+tf+0WhByKH1lFUIkOpSWwToc5QYjUiyLh 2mBaD5FDKkUeN62AtVz5iOO/INk6FCi0ZYzZCCR2eJB5YJeMlyXI7NUye6UNDtg86f7c 2UsXke42lJsWGD20RQMJVC/dbOvlgVxzctuO8q9c0fpz1xZyHjCY7pWuMZ3KdyHjNEgO jZ+4tW8cRzvqNTrAdn2Xe7fPP49XgemWEM1Jbq3BWHjihZcc3PXR0J4AcN7yrV+ZwLJZ 3G5w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id; bh=54C2TPYXSPlTMXJUnlGF1jTRtY0nrlM/ihgIc0q9Wag=; b=GVG95HqufhnN5AKyGdiaDbO+au30PqLyq+kd5AE4pdX1kJWEn8DAtLrkgGuoaA/4gA A533maDyP744UA4Y/LRYYamDOON0QaPwZznYEdiV60XBig7qJB5Kz/9ltj6tTAN2zeE9 VNumxCQ8HBQwo0/68GeUUFSuYJRplD5h1P8fOzAZxYKDWcnXQWSugzrRpM8xQ+GyGTHz 68TXABC4U0IWB7TPQrcnXSmL6WocrZD7jOoUqpBI4h1PVqiLVDngqIE2+J+KLYGSoTtW 3ldeaHGANyk+A2BPFFUmRG5GQLBUS0ttEDlmx4+Uc193ERcMeLOmNzXmQCB4V+PWW3Q0 HqjA== 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=acm.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id hv11-20020a17090760cb00b0072b414122d0si12943262ejc.753.2022.07.12.06.30.36; Tue, 12 Jul 2022 06:31:02 -0700 (PDT) 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=acm.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233263AbiGLMtD (ORCPT + 99 others); Tue, 12 Jul 2022 08:49:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229703AbiGLMs6 (ORCPT ); Tue, 12 Jul 2022 08:48:58 -0400 Received: from mail-pg1-f176.google.com (mail-pg1-f176.google.com [209.85.215.176]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29ABE26AC0; Tue, 12 Jul 2022 05:48:58 -0700 (PDT) Received: by mail-pg1-f176.google.com with SMTP id 23so7464380pgc.8; Tue, 12 Jul 2022 05:48:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=54C2TPYXSPlTMXJUnlGF1jTRtY0nrlM/ihgIc0q9Wag=; b=O0B3lvpJG6QioVuNnag38xXqfEk2SpikZlweVPQKcejz7TuO7PKjQ9Sg9VARIM/jwS cyUsAtxgZVERedD2B/BbpeIRUgu+Xr1dNi2k6zdVT6C3eQfFqtlfC9jq2zLeiIRLIqxP YsSPOooIYvp8jgs0xQhRz7GzAO1cQwGBkv8M8sc9ylVTJmY+GPo5dzUVT4SejwSfw3Gq SPBd+NlNdx5uy99tdjNE7dzvUA2lgweFl4h2ExvnEo/hpkSLCY25OyBwEIagWjjxrXGe LheT89q+Q+lhUzCG/aB1/wTsL0KWnUfrVtd/e2QYrX015E9YxI8dtzosGfN5M1XPa/AL gXxA== X-Gm-Message-State: AJIora/fbqDzp7r+4MbkwRwdGxq0Fn5uIvpF31zc7e+D4cycsyB2YHdR lBIKeqbUx7ul8v2lv44X4l70KNr09To= X-Received: by 2002:a65:49c5:0:b0:412:6e3e:bd91 with SMTP id t5-20020a6549c5000000b004126e3ebd91mr20590031pgs.221.1657630137602; Tue, 12 Jul 2022 05:48:57 -0700 (PDT) Received: from [192.168.51.14] (c-73-241-217-19.hsd1.ca.comcast.net. [73.241.217.19]) by smtp.gmail.com with ESMTPSA id m7-20020a170902bb8700b0016bf1ed3489sm6735698pls.143.2022.07.12.05.48.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Jul 2022 05:48:56 -0700 (PDT) Message-ID: <1f9e8664-944c-5ab2-cbc5-c40fdd9b517c@acm.org> Date: Tue, 12 Jul 2022 05:48:55 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH] block: Use try_cmpxchg some more Content-Language: en-US To: Uros Bizjak , Christoph Hellwig Cc: linux-block@vger.kernel.org, LKML , Jens Axboe References: <20220711153301.2388-1-ubizjak@gmail.com> From: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE, SPF_PASS,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 7/12/22 00:04, Uros Bizjak wrote: > while (try_cmpxchg ...); > > looks to me like a semicolon was left there in error, like "if (...);". Putting the semicolon at the end is not what Christoph suggested and is not allowed by the kernel coding style. I also prefer the while-loop instead of do-while. Thanks, Bart.