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[209.132.180.67]) by mx.google.com with ESMTP id t14si2742595pgm.395.2019.07.10.11.43.38; Wed, 10 Jul 2019 11:43:52 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-nfs-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-nfs-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=jd.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727063AbfGJSnb (ORCPT + 99 others); Wed, 10 Jul 2019 14:43:31 -0400 Received: from smtp3.jd.com ([59.151.64.88]:2126 "EHLO smtp3.jd.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726245AbfGJSnb (ORCPT ); Wed, 10 Jul 2019 14:43:31 -0400 Received: from BJMAILD1MBX36.360buyAD.local (172.31.0.36) by BJMAILD1MBX48.360buyAD.local (172.31.0.48) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1415.2; Thu, 11 Jul 2019 02:43:20 +0800 Received: from BJMAILD1MBX36.360buyAD.local (172.31.0.36) by BJMAILD1MBX36.360buyAD.local (172.31.0.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1415.2; Thu, 11 Jul 2019 02:43:20 +0800 Received: from BJMAILD1MBX36.360buyAD.local ([fe80::2116:e90b:d89d:e893]) by BJMAILD1MBX36.360buyAD.local ([fe80::2116:e90b:d89d:e893%24]) with mapi id 15.01.1415.002; Thu, 11 Jul 2019 02:43:20 +0800 From: =?utf-8?B?6buE5LmQ?= To: "bfields@fieldses.org" CC: "jlayton@kernel.org" , "linux-nfs@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] nfsd4: fix a deadlock on state owner replay mutex Thread-Topic: [PATCH] nfsd4: fix a deadlock on state owner replay mutex Thread-Index: AQHVLRYrJwxAvKxXXkKWwBVCcQfpA6bChWMAgAG9lPU= Date: Wed, 10 Jul 2019 18:43:20 +0000 Message-ID: <4dd1fe21e11344e5969bb112e954affb@jd.com> References: <720b91b1204b4c73be1b6ec2ff44dbab@jd.com>,<20190710000300.GD1536@fieldses.org> In-Reply-To: <20190710000300.GD1536@fieldses.org> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.31.14.12] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org SXQncyBzYWZlIGJlY2F1c2Ugd2hlbiB3ZSByZWFjaCBtb3ZlX3RvX2Nsb3NlX2xydSgpLCB3ZSBr bm93IHdlIGFyZSB0aGUNCipsb2dpY2FsKiBsYXN0IGNhbGwgYW1vbmcgYWxsIHJhY2luZyBjYWxs cywgaXQgaXMgYWN0dWFsbHkgdGhlIHJlYXNvbiB3ZQ0KZG8gdGhlIHdhaXRpbmcgaGVyZSBhdCBm aXN0IHBsYWNlLiAgTm93IGp1c3QgYmVjYXVzZSBvZiByYWNpbmcsIHdlIGdhaW4NCnRoZSBycF9t dXRleCBmaXJzdCBhbmQgaGF2ZSBhICpsb3dlciogc2VxaWQgdmFsdWUsIHNvIGl0IGlzIHdoYXQg d2UgbmVlZA0KZXhhY3RseSB0byBsZXQgdGhlIHNlcWlkIGJ1bXAgd2l0aCBvdGhlciByYWNpbmcg Y2FsbHMgYmVmb3JlIHdlIGNvbnRpbnVlLA0KdGhhdCBlbnN1cmVzIHBvc3NpYmxlIGZ1dHVyZSBD TE9TRSBjYWxsIGNvdWxkIGJlIHJlcGxheWVkIGNvcnJlY3RseS4NCg0KDQpPbiBXZWQsIEp1bCAx MCwgMjAxOSwgYmZpZWxkc0BmaWVsZHNlcy5vcmcgd3JvdGU6DQo+IEkgZG9uJ3QgdW5kZXJzdGFu ZCB3aHkgdGhhdCdzIHNhZmUuwqAgTWF5YmUgaXQgaXMsIGJ1dCBJIGRvbid0IHVuZGVyc3RhbmQN Cj4geWV0LsKgIElmIHdlIHRha2UgdGhlIG11dGV4LCBidW1wIHRoZSBzZXFpZCwgZHJvcCB0aGUg bXV0ZXgsIHNvbWVvbmUgZWxzZQ0KPiBjb21lcyBpbiBhbmQgYnVtcHMgdGhlIHNlcWlkIGFnYWlu LCB0aGVuIHdlIHJlYWNxdWlyZSB0aGUgbXV0ZXguLi4gd2hhdA0KPiBoYXBwZW5zPw0KPiANCj4g LS1iLg0K