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[23.128.96.18]) by mx.google.com with ESMTP id lu23si1273095ejb.200.2020.04.27.23.11.22; Mon, 27 Apr 2020 23:11:46 -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 S1726344AbgD1GKG (ORCPT + 99 others); Tue, 28 Apr 2020 02:10:06 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:27722 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726210AbgD1GKG (ORCPT ); Tue, 28 Apr 2020 02:10:06 -0400 X-IronPort-AV: E=Sophos;i="5.73,326,1583164800"; d="scan'208";a="90612535" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 28 Apr 2020 14:09:50 +0800 Received: from G08CNEXMBPEKD04.g08.fujitsu.local (unknown [10.167.33.201]) by cn.fujitsu.com (Postfix) with ESMTP id A9EE050A9991; Tue, 28 Apr 2020 14:09:48 +0800 (CST) Received: from G08CNEXMBPEKD05.g08.fujitsu.local (10.167.33.204) by G08CNEXMBPEKD04.g08.fujitsu.local (10.167.33.201) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 28 Apr 2020 14:09:47 +0800 Received: from G08CNEXMBPEKD05.g08.fujitsu.local ([fe80::15e2:f6f4:7314:fd88]) by G08CNEXMBPEKD05.g08.fujitsu.local ([fe80::15e2:f6f4:7314:fd88%14]) with mapi id 15.00.1497.000; Tue, 28 Apr 2020 14:09:47 +0800 From: "Ruan, Shiyang" To: Matthew Wilcox CC: "linux-kernel@vger.kernel.org" , "linux-xfs@vger.kernel.org" , "linux-nvdimm@lists.01.org" , "linux-mm@kvack.org" , "linux-fsdevel@vger.kernel.org" , "darrick.wong@oracle.com" , "dan.j.williams@intel.com" , "david@fromorbit.com" , "hch@lst.de" , "rgoldwyn@suse.de" , "Qi, Fuli" , "Gotou, Yasunori" Subject: =?utf-8?B?5Zue5aSNOiBSZTogW1JGQyBQQVRDSCAwLzhdIGRheDogQWRkIGEgZGF4LXJt?= =?utf-8?Q?ap_tree_to_support_reflink?= Thread-Topic: Re: [RFC PATCH 0/8] dax: Add a dax-rmap tree to support reflink Thread-Index: AQHWHHCrvTehP1uFMkqHUwaMK6beO6iMX8EAgAEofYA= Date: Tue, 28 Apr 2020 06:09:47 +0000 Message-ID: References: <20200427084750.136031-1-ruansy.fnst@cn.fujitsu.com> <20200427122836.GD29705@bombadil.infradead.org> In-Reply-To: <20200427122836.GD29705@bombadil.infradead.org> Reply-To: "Ruan, Shiyang" Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.167.225.141] Content-Type: text/plain; charset="utf-8" Content-ID: <431D96282EC2FB4DA394D352951FF28C@fujitsu.local> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-yoursite-MailScanner-ID: A9EE050A9991.AE63C X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@cn.fujitsu.com X-Spam-Status: No Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQrlnKggMjAyMC80LzI3IDIwOjI4OjM2LCAiTWF0dGhldyBXaWxjb3giIDx3 aWxseUBpbmZyYWRlYWQub3JnPiDlhpnpgZM6DQoNCj5PbiBNb24sIEFwciAy NywgMjAyMCBhdCAwNDo0Nzo0MlBNICswODAwLCBTaGl5YW5nIFJ1YW4gd3Jv dGU6DQo+PiAgVGhpcyBwYXRjaHNldCBpcyBhIHRyeSB0byByZXNvbHZlIHRo ZSBzaGFyZWQgJ3BhZ2UgY2FjaGUnIHByb2JsZW0gZm9yDQo+PiAgZnNkYXgu DQo+Pg0KPj4gIEluIG9yZGVyIHRvIHRyYWNrIG11bHRpcGxlIG1hcHBpbmdz IGFuZCBpbmRleGVzIG9uIG9uZSBwYWdlLCBJDQo+PiAgaW50cm9kdWNlZCBh IGRheC1ybWFwIHJiLXRyZWUgdG8gbWFuYWdlIHRoZSByZWxhdGlvbnNoaXAu ICBBIGRheCBlbnRyeQ0KPj4gIHdpbGwgYmUgYXNzb2NpYXRlZCBtb3JlIHRo YW4gb25jZSBpZiBpcyBzaGFyZWQuICBBdCB0aGUgc2Vjb25kIHRpbWUgd2UN Cj4+ICBhc3NvY2lhdGUgdGhpcyBlbnRyeSwgd2UgY3JlYXRlIHRoaXMgcmIt dHJlZSBhbmQgc3RvcmUgaXRzIHJvb3QgaW4NCj4+ICBwYWdlLT5wcml2YXRl KG5vdCB1c2VkIGluIGZzZGF4KS4gIEluc2VydCAoLT5tYXBwaW5nLCAtPmlu ZGV4KSB3aGVuDQo+PiAgZGF4X2Fzc29jaWF0ZV9lbnRyeSgpIGFuZCBkZWxl dGUgaXQgd2hlbiBkYXhfZGlzYXNzb2NpYXRlX2VudHJ5KCkuDQo+DQo+RG8g d2UgcmVhbGx5IHdhbnQgdG8gdHJhY2sgYWxsIG9mIHRoaXMgb24gYSBwZXIt cGFnZSBiYXNpcz8gIEkgd291bGQNCj5oYXZlIHRob3VnaHQgYSBwZXItZXh0 ZW50IGJhc2lzIHdhcyBtb3JlIHVzZWZ1bC4gIEVzc2VudGlhbGx5LCBjcmVh dGUNCj5hIG5ldyBhZGRyZXNzX3NwYWNlIGZvciBlYWNoIHNoYXJlZCBleHRl bnQuICBQZXIgcGFnZSBqdXN0IHNlZW1zIGxpa2UNCj5hIGh1Z2Ugb3Zlcmhl YWQuDQo+DQpQZXItZXh0ZW50IHRyYWNraW5nIGlzIGEgbmljZSBpZGVhIGZv ciBtZS4gIEkgaGF2ZW4ndCB0aG91Z2h0IG9mIGl0IA0KeWV0Li4uDQoNCkJ1 dCB0aGUgZXh0ZW50IGluZm8gaXMgbWFpbnRhaW5lZCBieSBmaWxlc3lzdGVt LiAgSSB0aGluayB3ZSBuZWVkIGEgd2F5IA0KdG8gb2J0YWluIHRoaXMgaW5m byBmcm9tIEZTIHdoZW4gYXNzb2NpYXRpbmcgYSBwYWdlLiAgTWF5IGJlIGEg Yml0IA0KY29tcGxpY2F0ZWQuICBMZXQgbWUgdGhpbmsgYWJvdXQgaXQuLi4N Cg0KDQotLQ0KVGhhbmtzLA0KUnVhbiBTaGl5YW5nLgoK