Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp1257184ybl; Tue, 3 Dec 2019 04:23:43 -0800 (PST) X-Google-Smtp-Source: APXvYqys49cDjpZDTZXcccNSl9Jx45wdLEaSa9rXVb25i91CKf8brTg7y7nKkYYt0ufbgJAqIytv X-Received: by 2002:a9d:7f12:: with SMTP id j18mr3048313otq.17.1575375823226; Tue, 03 Dec 2019 04:23:43 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1575375823; cv=none; d=google.com; s=arc-20160816; b=a5LVM0hvcAMRrfI9aCFtw65AIPQWvMz1iNTmP1gybFSbkcCZ40kxMj+tfXkJ42Qtqc flpq2QgWaf+gQyXJVUA4XPphT6BJIpjmscja3sBn5sD8akZdX9eDIBt/m7A10SVvXp8i 912p2gckT9MGLulaA0EAFdibEm3TZGsKpICp1A48U71aMWiRU3QuR2ZlcMsR86XOXu/X 7hM0Auqzs0R98FKpG/P1HDjjAQ9ymbSCVfWbz5ChaI/7NDpe5i+Nhh4s8Msgg03Avnnx unQuCywyJZYYccX+LmcJH8FiA/Hc1vzx6q3UDmgh+VPMW53/YcauwTUkN2btDr5PFa68 UVPQ== 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:in-reply-to :mime-version:user-agent:date:message-id:from:references:cc:to :subject; bh=NqeSzb/6hktoxi2oEfrLTH/4vwUIru1uWvT7q3HyFvo=; b=Bj3oFAqesaBiBbB7ocMUXvoqn2Auvw5jPQ75WHj+eTnI8TO6OXmUt1TLt/ISgFZPzT wNjYeUqlekGo7GxLvACv6kALevk7xCXqP8b69nxxWRjmar12vtAzu3W8T4sRV77yX61P aWYQ/ri9im/mvCt8KnDItMcJwbhLhI9ws+JVro39+CJ84xgHVboHhV//zM3z2wC1/zR3 sYkTCOUYvpRrCgsfy53qlI3BN/3YC81D5pe4LWi84WOMXzGlsFs96gd3EDm1Pqx83QAw Ft7+fPBQoTn6oBbUR249k9mvfrVN0W7744bpQcH8iqkHEvIk8/l+G29RAGQU/kZ78N8B 6UTQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u20si289318otg.193.2019.12.03.04.23.29; Tue, 03 Dec 2019 04:23:43 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726086AbfLCMWz (ORCPT + 99 others); Tue, 3 Dec 2019 07:22:55 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:45496 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725907AbfLCMWz (ORCPT ); Tue, 3 Dec 2019 07:22:55 -0500 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 702D9616831BFA5CA328; Tue, 3 Dec 2019 20:22:50 +0800 (CST) Received: from [127.0.0.1] (10.173.222.66) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.439.0; Tue, 3 Dec 2019 20:22:45 +0800 Subject: Re: [PATCH] nbd: fix potential deadlock in nbd_config_put() To: Mike Christie , CC: , , , References: <1574937951-92828-1-git-send-email-sunke32@huawei.com> <5DE3F444.9080706@redhat.com> From: "sunke (E)" Message-ID: <1702191a-99e1-1b56-c77a-0202b44885bf@huawei.com> Date: Tue, 3 Dec 2019 20:22:44 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <5DE3F444.9080706@redhat.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.173.222.66] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Your solution ie better.