From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: ** X-Spam-Status: No, score=2.4 required=3.0 tests=CHARSET_FARAWAY_HEADER, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12425C3279B for ; Mon, 2 Jul 2018 09:34:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B192124192 for ; Mon, 2 Jul 2018 09:34:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B192124192 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754527AbeGBJeo (ORCPT ); Mon, 2 Jul 2018 05:34:44 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:5567 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753343AbeGBJem (ORCPT ); Mon, 2 Jul 2018 05:34:42 -0400 Received: from DGGEMM406-HUB.china.huawei.com (unknown [172.30.72.53]) by Forcepoint Email with ESMTP id 02A95A00D3B41; Mon, 2 Jul 2018 17:34:36 +0800 (CST) Received: from DGGEMM421-HUB.china.huawei.com (10.1.198.38) by DGGEMM406-HUB.china.huawei.com (10.3.20.214) with Microsoft SMTP Server (TLS) id 14.3.382.0; Mon, 2 Jul 2018 17:34:36 +0800 Received: from DGGEMM511-MBX.china.huawei.com ([169.254.1.80]) by dggemm421-hub.china.huawei.com ([10.1.198.38]) with mapi id 14.03.0382.000; Mon, 2 Jul 2018 17:34:29 +0800 From: "Gaoming (ming, consumer BG)" To: "Theodore Y. Ts'o" CC: "linux-ext4@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Liqingchao (sorp)" , "Shenchen (harry)" , "miaoxie (A)" , "yangfei (D)" , "Renlipeng (OS driver)" Subject: =?gb2312?B?tPC4tDogtPC4tDogtPC4tDogtPC4tDogtPC4tDogW1BBVENIXSBleHQ0OiBl?= =?gb2312?B?MmZzcHJvZ3M6IGZpeCBpbm9kZSBiaXRtYXAgbnVtIG5vdCBpbnRlZ2VyLGlu?= =?gb2312?Q?compatible_for_ancient_android_devices?= Thread-Topic: =?gb2312?B?tPC4tDogtPC4tDogtPC4tDogtPC4tDogW1BBVENIXSBleHQ0OiBlMmZzcHJv?= =?gb2312?B?Z3M6IGZpeCBpbm9kZSBiaXRtYXAgbnVtIG5vdCBpbnRlZ2VyLGluY29tcGF0?= =?gb2312?Q?ible_for_ancient_android_devices?= Thread-Index: AQHUDiB7bBM9P+9CgUmyd+rfiNQEzqR03/Qw//+NOgCAANrbsP///3QAgAE0cUCAAEv3AIABNeRAgABFnICAA2DhYA== Date: Mon, 2 Jul 2018 09:34:28 +0000 Message-ID: References: <1530014046-62466-1-git-send-email-gaoming20@huawei.com> <20180627140937.GA3348@thunk.org> <20180628022900.GA663@thunk.org> <20180628153022.GA8521@thunk.org> <20180629142612.GE1231@thunk.org> <20180630130429.GA26529@thunk.org> In-Reply-To: <20180630130429.GA26529@thunk.org> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.189.158.207] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SSBnb3QgaXQuIFlvdSBoYXRlIG1ha2VfZXh0NGZzLCBhbmQgbWUgdG9vLg0KWW91IGRvbid0IGxp a2UgdG8gbWVyZ2UgdGhpcyBwYXRjaCBpbiB1cHN0cmVhbSBlMmZzcHJvZ3MgdG8gcmVzb2x2ZSB0 aGUgYnVnIG9mIG1ha2VfZXh0NGZzLg0KDQpPZiBjb3Vyc2Ugd2Ugd2lsbCBmaXggdGhlIGJ1ZyBv biBvdXIgYW5jaWVudCBkZXZpY2VzLCB3ZSBoYXZlIHRvIC4NCklmIHRoaXMgcHJvYmxlbSBmaXhl ZCBvciB0aGlzIHBhdGNoIG1lcmdlcyBpbiBsYXRlc3QgZTJmc3Byb2dzLCB3ZSB3aWxsIGJhY2tw b3J0IHRoZSBsYXRlc3QgZTJmc3Byb2dzLg0KSWYgbm90LCB3ZSBoYXZlIG5vIG1vdGl2YXRpb24g dG8gYmFja3BvcnQgaXQuDQoNCkkgZG9uJ3Qga25vdyB3aGV0aGVyIG90aGVyIGFuZHJvaWQgZGV2 aWNlcyBzdWZmZXIgdGhpcyBwcm9ibGVtLg0KDQpJZiBzb21lb25lIGVsc2UgY29tZSB0byBjb21w bGFpbiB0aGlzIHByb2JsZW0sIHlvdSBzaG91bGQgY29uc2lkZXIgdG8gZml4IGl0Lg0KDQpCZXN0 IHdpc2hlcy4NCg0KTWluZw0KDQoNCi0tLS0t08q8/tStvP4tLS0tLQ0Kt6K8/sjLOiBUaGVvZG9y ZSBZLiBUcydvIFttYWlsdG86dHl0c29AbWl0LmVkdV0gDQq3osvNyrG85DogMjAxOMTqNtTCMzDI 1SAyMTowNA0KytW8/sjLOiBHYW9taW5nIChtaW5nLCBjb25zdW1lciBCRykNCrOty806IGxpbnV4 LWV4dDRAdmdlci5rZXJuZWwub3JnOyBsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnOyBMaXFp bmdjaGFvIChzb3JwKTsgU2hlbmNoZW4gKGhhcnJ5KTsgbWlhb3hpZSAoQSk7IHlhbmdmZWkgKEQp OyBSZW5saXBlbmcgKE9TIGRyaXZlcikNCtb3zOI6IFJlOiC08Li0OiC08Li0OiC08Li0OiC08Li0 OiBbUEFUQ0hdIGV4dDQ6IGUyZnNwcm9nczogZml4IGlub2RlIGJpdG1hcCBudW0gbm90IGludGVn ZXIsaW5jb21wYXRpYmxlIGZvciBhbmNpZW50IGFuZHJvaWQgZGV2aWNlcw0KDQpPbiBTYXQsIEp1 biAzMCwgMjAxOCBhdCAwMToyNjo0M0FNICswMDAwLCBHYW9taW5nIChtaW5nLCBjb25zdW1lciBC Rykgd3JvdGU6DQo+IFllcywgaXQgaXMgY2F1c2VkIGJ5IHVzaW5nIDEwMjQgYmxvY2tzaXplLg0K PiBJdCBpcyBoaXN0b3JpY2FsIHByb2JsZW0sIGFuZCBJIGhhdmUgdG8gYWRtaXQgdGhhdCdzIG5v dCBnb29kIGlkZWEuICBJIGRvbid0IGtub3cgd2h5IHNvbWVib2R5IGNob29zZSBpdCBzb21lIHll YXJzIGJlZm9yZS4gDQo+IEl0IGhhcyBiZWVuIGNvcnJlY3RlZCB0d28geWVhcnMgYmVmb3JlIG9y IG1vcmUgZWFybHkuIEJ1dCBzb21lIGFuY2llbnQgZGV2aWNlcyBleGlzdC4gDQo+IEl0IGlzIG5v dCB1c2VyIGRhdGEsIG5vIG5lZWQgdG8gZG8gZmlsZS1iYXNlZCBlbmNyeXB0aW9uLiBJdCBpcyBh IHNtYWxsIHBhcnRpdGlvbiBmb3Igc29tZSB1c2UuDQo+IA0KPiBIb3dldmVyLCAxMDI0IGlzIGxl Z2FsIHRob3VnaCBub3QgZ29vZCwgc29tZWJvZHkgbWF5IHVzZSBpdC4gDQo+IEFuZCB3ZSBzaG91 bGQgZml4IGl0Lg0KDQpTbyB5b3UgdW5kZXJzdGFuZCBteSBwb3NpdGlvbiAtLS0gdGhlIHJlYXNv biB3aHkgSSd2ZSBiZWVuIHB1c2hpbmcgc28NCmhhcmQgaXMgSSdtIHRyeWluZyB0byBmaWd1cmUg b3V0IGhvdyBiaWcgb2YgYSBwcm9ibGVtIHRoaXMgaXMuDQpTcGVjaWZpY2FsbHkgc3BlYWtpbmcs IGlzIHRoaXMgYSBIdWF3ZWktc3BlY2lmaWMgcHJvYmxlbSwgb3Igc29tZXRoaW5nDQphY3Jvc3Mg dGhlIGVudGlyZSBBbmRyb2lkIGVjb3N5c3RlbS4gIEkgKnRob3VnaHQqIEkgaGFkIGZpeGVkIG1v c3Qgb2YNCnRoZSBkaXNhc3RlciBiYWNrIGluIDIwMTEuICBUaGVyZSBoYXZlIHBlcmlvZGljIGhl YWRhY2hlcyB3aGVyZQ0KdGVzdGVycyB3b3VsZCBkaXNjb3ZlciBwcm9ibGVtcyB3aGVyZSBhbmRy b2lkIGhhbmRzZXRzIGdldCBicmlja2VkDQphZnRlciBkb2luZyBhIGZhY3RvcnkgcmVzZXQgdGhh dCBJIGhhZCB0cmFja2VkIGRvd24gdG8gbWFrZV9leHQ0ZnMsDQphbmQgdGhlIGV4aXN0ZW5jZSBv ZiBtYWtlX2V4dDRmcyBpcyBub3Qgc29tZXRoaW5nIEkgYWdyZWVkIHRvLCBhbmQNCmhhdmUgYmVl biBmaWdodGluZyBmb3IgeWVhcnMuICBTbyBJJ3ZlIGJlZW4gY2xlYW5pbmcgdXAgYWZ0ZXINCm1h a2VfZXh0NGZzIGZvciBhIHdoaWxlLCBldmVuIHRob3VnaCBpdCdzIG5vdCBteSByZXNwb25zaWJs aXR5LiAgKEZvcg0Kb25lIHRoaW5nIG15IHdvcmsgcmVzcG9uc2liaWxpdGllcyBhcmUgZm9yIGRh dGEgY2VudGVyIHNlcnZlcnMgYXQNCkdvb2dsZSwgKm5vdCogQW5kcm9pZDsgZm9yIGFub3RoZXIs IG5vIG9uZSBhc2tlZCAqbWUqIGJlZm9yZSB0aGV5IGNhbWUNCnVwIHdpdGggdGhlIGFib21pbmF0 aW9uIHdoaWNoIGlzIG1ha2VfZXh0NGZzLikNCg0KU28gSSBkb24ndCBmZWVsIHBhcnRpY3VsYXJs eSwgb3IgcGVyc29uYWxseSwgcmVzcG9uc2libGUgZm9yIGJ1Z3MNCmNhdXNlZCBieSBtYWtlX2V4 dDRmcywgYmVjYXVzZSBpZiBpdCBoYWQgYmVlbiB1cCB0byBtZSwgaXQgd291bGQgaGF2ZQ0KbmV2 ZXIgZXhpc3RlZCBpbiB0aGUgZmlyc3QgcGxhY2UuDQoNCklmIGl0J3Mgb25seSBpbiBhbmNpZW50 IEh1YXdlaSBkZXZpY2VzLCBJIGRvbid0IHNlZSBhIHN0cm9uZyByZWFzb24gdG8NCnN1cHBvcnQg aGlzIGluIHVwc3RyZWFtIGUyZnNwcm9ncy4gIEFyZSB5b3UgcmVhbGx5IGdvaW5nIHRvIGJlDQpi YWNrcG9ydGluZyB0aGUgbGF0ZXN0IGUyZnNwcm9ncyBpbnRvIHRoZXNlIGFuY2llbnQgSHVhd2Vp IGRldmljZXM/DQpJbiBteSBleHBlcmllbmNlLCB0aGUgQW5kcm9pZCB0ZWFtIGhhcyBhIGhhcmQg ZW5vdWdoIHRpbWUgZ2V0dGluZw0KdGhlaXIgQW5kcm9pZCBwYXJ0bmVycyB0byBiYWNrcG9ydCBr ZXJuZWwgZml4ZXMgZm9yIHNldmVyZSBzZWN1cml0eQ0KYnVncyBpbnRvIG9sZCBBbmRyb2lkIGRl dmljZXMgLS0tIG5ldmVyIG1pbmQgdmVyc2lvbnMgb2YgZTJmc3Byb2dzLg0KDQpJZiBub3QsIHdo YXQncyB0aGUgcG9pbnQ/DQoNClJlZ2FyZHMsDQoNCgkJCQkJCS0gVGVkDQo=