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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90C67C6379F for ; Tue, 17 Jan 2023 15:53:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233746AbjAQPxB (ORCPT ); Tue, 17 Jan 2023 10:53:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231191AbjAQPw2 (ORCPT ); Tue, 17 Jan 2023 10:52:28 -0500 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE91F222E7 for ; Tue, 17 Jan 2023 07:52:11 -0800 (PST) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-268-eD-OPVowPHOo76euoQg45A-1; Tue, 17 Jan 2023 15:52:09 +0000 X-MC-Unique: eD-OPVowPHOo76euoQg45A-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 17 Jan 2023 15:52:08 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.044; Tue, 17 Jan 2023 15:52:08 +0000 From: David Laight To: 'Amy Parker' , "willy@infradead.org" CC: "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] dax: use switch statement over chained ifs Thread-Topic: [PATCH] dax: use switch statement over chained ifs Thread-Index: AQHZKhj2H8rtmpwLA0eRPGwdtTlpaa6iwgdQ Date: Tue, 17 Jan 2023 15:52:08 +0000 Message-ID: <11f5a5ab96e143689c07531c9e5e704a@AcuMS.aculab.com> References: 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 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-fsdevel@vger.kernel.org RnJvbTogQW15IFBhcmtlcg0KPiBTZW50OiAxNyBKYW51YXJ5IDIwMjMgMDI6MTENCj4gDQo+IFRo aXMgcGF0Y2ggdXNlcyBhIHN3aXRjaCBzdGF0ZW1lbnQgZm9yIHBlX29yZGVyLCB3aGljaCBpbXBy b3Zlcw0KPiByZWFkYWJpbGl0eSBhbmQgb24gc29tZSBwbGF0Zm9ybXMgbWF5IG1pbm9ybHkgaW1w cm92ZSBwZXJmb3JtYW5jZS4gSXQNCj4gYWxzbywgdG8gaW1wcm92ZSByZWFkYWJpbGl0eSwgcmVj b2duaXplcyB0aGF0IGBQQUdFX1NISUZUIC0gUEFHRV9TSElGVCcgaXMNCj4gYSBjb25zdGFudCwg YW5kIHVzZXMgMCBpbiBpdHMgcGxhY2UgaW5zdGVhZC4NCg0KVGhlIGNvbXBpbGVyIGlzIHByZXR0 eSBtdWNoIGd1YXJhbnRlZWQgdG8gZG8gdGhhdCBhbnl3YXkuDQpUaGUgJ2NoYWluZWQgaWZzJyBj YW4gZ2VuZXJhdGUgYmV0dGVyIGNvZGUgYmVjYXVzZSB0aGUNCmNvbW1vbiBjYXNlIGNhbiBiZSBw dXQgZmlyc3QuDQpUaGUgY29tcGlsZXIgd2lsbCBiYXNlIGl0cyAnY2hhaW5lZCBpZnMnIChqdW1w IHRhYmxlcw0KY2FuJ3QgYmUgdXNlZCBkdWUgdG8gY3B1ICdmZWF0dXJlcycgLSBhbmQgd291bGQg YmUgc2xvd2VyDQphbnl3YXkgd2l0aCBvbmx5IGEgZmV3IGxhYmVscykgb24gbWluaW1pc2luZyB0 aGUgbnVtYmVyDQpvZiBjb25kaXRpb25hbHMuDQoNCihOZXZlciBtaW5kIGFueSBvZiB0aGUgb3Ro ZXIgcHJvYmxlbXMuKQ0KDQoJRGF2aWQNCg0KPiANCj4gU2lnbmVkLW9mZi1ieTogQW15IFBhcmtl ciA8YXBhcmswMDA2QHN0dWRlbnQuY2Vycml0b3MuZWR1Pg0KPiAtLS0NCj4gIGZzL2RheC5jIHwg MTMgKysrKysrKystLS0tLQ0KPiAgMSBmaWxlIGNoYW5nZWQsIDggaW5zZXJ0aW9ucygrKSwgNSBk ZWxldGlvbnMoLSkNCj4gDQo+IGRpZmYgLS1naXQgYS9mcy9kYXguYyBiL2ZzL2RheC5jDQo+IGlu ZGV4IGM0OGEzYTkzYWIyOS4uZThiZWVkNjAxMzg0IDEwMDY0NA0KPiAtLS0gYS9mcy9kYXguYw0K PiArKysgYi9mcy9kYXguYw0KPiBAQCAtMzIsMTMgKzMyLDE2IEBADQo+IA0KPiAgc3RhdGljIGlu bGluZSB1bnNpZ25lZCBpbnQgcGVfb3JkZXIoZW51bSBwYWdlX2VudHJ5X3NpemUgcGVfc2l6ZSkN Cj4gIHsNCj4gLSAgICBpZiAocGVfc2l6ZSA9PSBQRV9TSVpFX1BURSkNCj4gLSAgICAgICAgcmV0 dXJuIFBBR0VfU0hJRlQgLSBQQUdFX1NISUZUOw0KPiAtICAgIGlmIChwZV9zaXplID09IFBFX1NJ WkVfUE1EKQ0KPiArICAgIHN3aXRjaCAocGVfc2l6ZSkgew0KPiArICAgIGNhc2UgUEVfU0laRV9Q VEU6DQo+ICsgICAgICAgIHJldHVybiAwOw0KPiArICAgIGNhc2UgUEVfU0laRV9QTUQ6DQo+ICAg ICAgICAgIHJldHVybiBQTURfU0hJRlQgLSBQQUdFX1NISUZUOw0KPiAtICAgIGlmIChwZV9zaXpl ID09IFBFX1NJWkVfUFVEKQ0KPiArICAgIGNhc2UgUEVfU0laRV9QVUQ6DQo+ICAgICAgICAgIHJl dHVybiBQVURfU0hJRlQgLSBQQUdFX1NISUZUOw0KPiAtICAgIHJldHVybiB+MDsNCj4gKyAgICBk ZWZhdWx0Og0KPiArICAgICAgICByZXR1cm4gfjA7DQo+ICsgICAgfQ0KPiAgfQ0KPiANCj4gIC8q IFdlIGNob29zZSA0MDk2IGVudHJpZXMgLSBzYW1lIGFzIHBlci16b25lIHBhZ2Ugd2FpdCB0YWJs ZXMgKi8NCj4gLS0NCj4gMi4zOS4wDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwg QnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVn aXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==