Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp2768767pxk; Tue, 15 Sep 2020 01:38:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxE6Iztwhs8V7NM1O9EcYqQwY8Ti0qLG0ziFVJLh9JPl/xJ3uNAKFXQfaBeUh+jNvXiVCaa X-Received: by 2002:a17:906:4bd7:: with SMTP id x23mr18377092ejv.92.1600159083080; Tue, 15 Sep 2020 01:38:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1600159083; cv=none; d=google.com; s=arc-20160816; b=BaMgAky2vj4yCzzFxnUWDf0cGNVBJtsaHtnNmszgW2g3R6dD8pfhr2eu+RgUdyo/Vy gYUvzpsTwS5bs4oZt5nToYYjg9Wv8dn1E93FR4AgiCUrEgC8tYiK6K3QcloFGnGb7Cwh qFTjBhB9jNOsX8pU3LCwRD09xWgMCexIv5dexvToRureGyzS1WHFTzamCnZvoFgiT5w3 77QXW6ZMylZagukq+SEP8O25ytnD5A7XNJVuhTo3DAG7KtpAhefyA2THA/AlU7v8e0hJ DMHQmsyXi/3+lVxZOEU+/HcF+sARBvMzXIyHqyoSw4jH+x+vIkwPCQcivjyyAhj9ixzX U3xg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=sAS1Tj0iHaKAF5jyxZB7u0mWTVFFggrIBYKYakar7go=; b=hJE42STRhDj3fvLwRVZoK1WNgJO7SWYO1SWXo/vdQ+bybgd4zeyy/b6CdmZ9/wcGWw 2m/YhzeilFTLXjF/GKX8JcCn/PgXurRKJUSXUFuTRkktGEioIaEVaqAHcLzX5zg7A64Q hGMLTqPE7i8gWVdMa4R4QQ5qluK5v1Ft35HcXxqidlcEjA/3Onmjsf0bvLyZH5aYzq4v Dlm0SIrXZhznGSaAo5LZFG+o6+RYVXYgPn8ZuAHjgB68sHdB+sXOD93Os/aZzCn1xVI2 FCDIhedtvasEtaGG75wzewAvz/B7vjt6e2Pxf3/v8Uao3BdmCEErtHJHgdImRmeLTKih tDXA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n16si8993491eds.250.2020.09.15.01.37.40; Tue, 15 Sep 2020 01:38:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726161AbgIOIen (ORCPT + 99 others); Tue, 15 Sep 2020 04:34:43 -0400 Received: from mail-m1271.qiye.163.com ([115.236.127.1]:57096 "EHLO mail-m1271.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726130AbgIOIem (ORCPT ); Tue, 15 Sep 2020 04:34:42 -0400 Received: from [127.0.0.1] (unknown [157.0.31.124]) by mail-m1271.qiye.163.com (Hmail) with ESMTPA id 78A455822AE; Tue, 15 Sep 2020 16:34:38 +0800 (CST) Subject: Re: [PATCH] blk-mq: fix hang issue in blk_queue_enter() To: Markus Elfring Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Jens Axboe , onlyfever@icloud.com, linux-block@vger.kernel.org References: <11a3283f-7857-0448-7424-8840fb5f2ea7@web.de> From: Yang Yang Message-ID: <63816f52-4850-f586-ce73-3775ecc38da9@vivo.com> Date: Tue, 15 Sep 2020 16:34:38 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.2.2 MIME-Version: 1.0 In-Reply-To: <11a3283f-7857-0448-7424-8840fb5f2ea7@web.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgYFAkeWUFZS1VLWVdZKFlBSE83V1ktWUFJV1kPCR oVCBIfWUFZSxpMHxkZGUlLTh4eVkpNS0tKTkNDTENNT01VEwETFhoSFyQUDg9ZV1kWGg8SFR0UWU FZT0tIVUpKS0hKQ1VKS0tZBg++ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6K1E6Iyo5Hj8sNBYzURgNUSEN LEwKCxBVSlVKTUtLSk5DQ0xCS01LVTMWGhIXVQIaFRxVAhoVHDsNEg0UVRgUFkVZV1kSC1lBWUpO TFVLVUhKVUpJT1lXWQgBWUFKTE9KNwY+ X-HM-Tid: 0a7490e6cb8398b6kuuu78a455822ae Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/9/14 21:35, Markus Elfring wrote: > … >> The solution is to wake up the mq_freeze_wq after runtime suspend >> completed, make blk_pm_request_resume() reexamine the q->rpm_status flag. > > * Would an imperative wording become helpful for the change description? > > * How do you think about to add the tag “Fixes” to the commit message? > Thank you for your suggestions. -- Yang Yang