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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 ED484C56201 for ; Tue, 24 Nov 2020 09:12:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 826632075A for ; Tue, 24 Nov 2020 09:12:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731003AbgKXJMS (ORCPT ); Tue, 24 Nov 2020 04:12:18 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:53139 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728826AbgKXJMR (ORCPT ); Tue, 24 Nov 2020 04:12:17 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-62--NW9eR5TMCq62nAf3IBhNg-1; Tue, 24 Nov 2020 09:12:12 +0000 X-MC-Unique: -NW9eR5TMCq62nAf3IBhNg-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 24 Nov 2020 09:12:12 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Tue, 24 Nov 2020 09:12:12 +0000 From: David Laight To: 'Chao Yu' , 'Sahitya Tummala' , Jaegeuk Kim , "linux-f2fs-devel@lists.sourceforge.net" CC: "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] f2fs: change to use rwsem for cp_mutex Thread-Topic: [PATCH] f2fs: change to use rwsem for cp_mutex Thread-Index: AQHWwVm8Sokw4eOdHU6M1bsTH5HkTqnV8p0QgACp5gCAAGGJ4A== Date: Tue, 24 Nov 2020 09:12:12 +0000 Message-ID: References: <1606109312-1944-1-git-send-email-stummala@codeaurora.org> <7f5213fb9b334d1290f019ab8ed6ee71@AcuMS.aculab.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogQ2hhbyBZdQ0KPiBTZW50OiAyNCBOb3ZlbWJlciAyMDIwIDAzOjEyDQo+IA0KPiBPbiAy MDIwLzExLzI0IDE6MDUsIERhdmlkIExhaWdodCB3cm90ZToNCj4gPiBGcm9tOiBTYWhpdHlhIFR1 bW1hbGENCj4gPj4gU2VudDogMjMgTm92ZW1iZXIgMjAyMCAwNToyOQ0KPiA+Pg0KPiA+PiBVc2Ug cndzZW0gdG8gZW5zdXJlIHNlcmlhbGl6YXRpb24gb2YgdGhlIGNhbGxlcnMgYW5kIHRvIGF2b2lk DQo+ID4+IHN0YXJ2YXRpb24gb2YgaGlnaCBwcmlvcml0eSB0YXNrcywgd2hlbiB0aGUgc3lzdGVt IGlzIHVuZGVyDQo+ID4+IGhlYXZ5IElPIHdvcmtsb2FkLg0KPiA+DQo+ID4gSSBjYW4ndCBzZWUg YW55IHJlYWQgbG9jayByZXF1ZXN0cy4NCj4gPg0KPiA+IFNvIHdoeSB0aGUgY2hhbmdlPw0KPiAN Cj4gSGkgRGF2aWQsDQo+IA0KPiBZb3UgY2FuIGNoZWNrIHRoZSBjb250ZXh0IG9mIHRoaXMgcGF0 Y2ggaW4gYmVsb3cgbGluazoNCj4gDQo+IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2xpbnV4LWYy ZnMtZGV2ZWwvOGUwOTQwMjFiOTU4ZjlmZTAxZGYxMTgzYTI2Nzc4ODJAY29kZWF1cm9yYS5vcmcv VC8jdA0KPiANCj4gQlRXLCB0aGUgcm9vdCBjYXVzZSBoZXJlIGlzIHRoYXQgbXV0ZXggbG9jayB3 b24ndCBzZXJpYWxpemUgY2FsbGVycywgc28gdGhlcmUNCj4gY291bGQgYmUgcG90ZW50aWFsIHN0 YXJ2YXRpb24gcHJvYmxlbSB3aGVuIHRoaXMgbG9jayBpcyBhbHdheXMgZ3JhYmJlZCBieSBoaWdo DQo+IHByaW9yaXR5IHRhc2tzLg0KDQpUaGF0IGRvZXNuJ3Qgc2VlbSByaWdodC4NCg0KSWYgSSBy ZWFkIHRoZSBhYm92ZSBjb3JyZWN0bHkgaXQgd2FzIGhpZ2ggcHJpb3JpdHkgdGFza3MgdGhhdCB3 ZXJlDQpiZWluZyAnc3RhcnZlZCcgcHJlY2lzZWx5IGJlY2F1c2UgbXV0ZXggbG9jayBzZXJpYWxp emVzIHdha2Vycy4NCg0KSWYgeW91IGhhdmUgYSBsb2NrIHRoYXQgaXMgY29udGVuZGVkIHNvIG11 Y2ggdGhhdCBpdCBpcyBoZWxkIDEwMCUNCm9mIHRoZSB0aW1lIHlvdSBuZWVkIGEgZGlmZmVyZW50 IGxvY2tpbmcgc3RyYXRlZ3kuDQoNCklJUkMgbXV0ZXggbG9ja3MgYXJlICd0aWNrZXQnIGxvY2tz IHNvIHRoYXQgb25seSBvbmUgdGhyZWFkIGlzIHdva2VuDQplYWNoIHRpbWUgdGhlIG11dGV4IGlz IHJlbGVhc2VkLCBhbmQgdGhleSBhcmUgd29rZW4gaW4gdGhlIG9yZGVyDQp0aGV5IHdlbnQgdG8g c2xlZXAuDQoNCldoaWxlIHRoaXMgYmVoYXZpb3VyIG1pZ2h0IG5vdCBiZSB0aGUgb25lIHlvdSB3 YW50LCByZWx5aW5nIG9uDQpyd3NlbSAod2hpY2ggbWlnaHQgaGFwcGVuIGN1cnJlbnRseSB0byB3 b3JrIGRpZmZlcmVudGx5KSBkb2Vzbid0DQpzZWVtIHRoZSBjb3JyZWN0IGxvbmcgdGVybSBmaXgu DQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9h ZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBO bzogMTM5NzM4NiAoV2FsZXMpDQo=