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Tue, 4 May 2021 04:08:32 -0400 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-33-EEImOuSdNDCrsQWXDN1VGQ-1; Tue, 04 May 2021 09:07:34 +0100 X-MC-Unique: EEImOuSdNDCrsQWXDN1VGQ-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 4 May 2021 09:07:33 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.015; Tue, 4 May 2021 09:07:33 +0100 From: David Laight To: 'Jens Axboe' , Matthew Wilcox CC: "viro@zeniv.linux.org.uk" , "linux-fsdevel@vger.kernel.org" , LKML Subject: RE: [PATCH] eventfd: convert to using ->write_iter() Thread-Topic: [PATCH] eventfd: convert to using ->write_iter() Thread-Index: AQHXQCy3UEj3Jsg3M0OzOTpWlBb2warR7W1AgAAf+a2AAOi50A== Date: Tue, 4 May 2021 08:07:33 +0000 Message-ID: <494f31b8e37b44d1a24e28885188f16e@AcuMS.aculab.com> References: <7b98e3c2-2d9f-002b-1da1-815d8522b594@kernel.dk> <7caa3703-af14-2ff6-e409-77284da11e1f@kernel.dk> <20210503180207.GD1847222@casper.infradead.org> <7263c088-22f5-d125-cf80-5ebbd9d110e5@kernel.dk> In-Reply-To: <7263c088-22f5-d125-cf80-5ebbd9d110e5@kernel.dk> 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-fsdevel@vger.kernel.org RnJvbTogSmVucyBBeGJvZQ0KPiBTZW50OiAwMyBNYXkgMjAyMSAxOTowNQ0KPiANCj4gT24gNS8z LzIxIDEyOjAyIFBNLCBNYXR0aGV3IFdpbGNveCB3cm90ZToNCj4gPiBPbiBNb24sIE1heSAwMywg MjAyMSBhdCAxMTo1NzowOEFNIC0wNjAwLCBKZW5zIEF4Ym9lIHdyb3RlOg0KPiA+PiBPbiA1LzMv MjEgMTA6MTIgQU0sIERhdmlkIExhaWdodCB3cm90ZToNCj4gPj4+IEZyb206IEplbnMgQXhib2UN Cj4gPj4+PiBTZW50OiAwMyBNYXkgMjAyMSAxNTo1OA0KPiA+Pj4+DQo+ID4+Pj4gSGFkIGEgcmVw b3J0IG9uIHdyaXRpbmcgdG8gZXZlbnRmZCB3aXRoIGlvX3VyaW5nIGlzIHNsb3dlciB0aGFuIGl0 DQo+ID4+Pj4gc2hvdWxkIGJlLCBhbmQgaXQncyB0aGUgdXN1YWwgY2FzZSBvZiBpZiBhIGZpbGUg dHlwZSBkb2Vzbid0IHN1cHBvcnQNCj4gPj4+PiAtPndyaXRlX2l0ZXIoKSwgdGhlbiBpb191cmlu ZyBjYW5ub3QgcmVseSBvbiBJT0NCX05PV0FJVCBiZWluZyBob25vcmVkDQo+ID4+Pj4gYWxvbmdz aWRlIE9fTk9OQkxPQ0sgZm9yIHdoZXRoZXIgb3Igbm90IHRoaXMgaXMgYSBub24tYmxvY2tpbmcg d3JpdGUNCj4gPj4+PiBhdHRlbXB0LiBUaGF0IG1lYW5zIGlvX3VyaW5nIHdpbGwgcHVudCB0aGUg b3BlcmF0aW9uIHRvIGFuIGlvIHRocmVhZCwNCj4gPj4+PiB3aGljaCB3aWxsIHNsb3cgdXMgZG93 biB1bm5lY2Vzc2FyaWx5Lg0KPiA+Pj4+DQo+ID4+Pj4gQ29udmVydCBldmVudGZkIHRvIHVzaW5n IGZvcHMtPndyaXRlX2l0ZXIoKSBpbnN0ZWFkIG9mIGZvcHMtPndyaXRlKCkuDQo+ID4+Pg0KPiA+ Pj4gV29uJ3QgdGhpcyBoYXZlIGEgbWVhc3VyYWJsZSBwZXJmb3JtYW5jZSBkZWdyYWRhdGlvbiBv biBub3JtYWwNCj4gPj4+IGNvZGUgdGhhdCBkb2VzIHdyaXRlKGV2ZW50X2ZkLCAmb25lLCA0KTsN Cj4gPj4NCj4gPj4gSWYgLT53cml0ZV9pdGVyKCkgb3IgLT5yZWFkX2l0ZXIoKSBpcyBtdWNoIHNs b3dlciB0aGFuIHRoZSBub24taW92DQo+ID4+IHZlcnNpb25zLCB0aGVuIEkgdGhpbmsgd2UgaGF2 ZSBnZW5lcmljIGlzc3VlcyB0aGF0IHNob3VsZCBiZSBzb2x2ZWQuDQo+ID4NCj4gPiBXZSBkbyEN Cj4gPg0KPiA+IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2xpbnV4LWZzZGV2ZWwvMjAyMTAxMDcx NTExMjUuR0I1MjcwQGNhc3Blci5pbmZyYWRlYWQub3JnLw0KPiA+IGlzIG9uZSB0aHJlYWQgb24g aXQuICBUaGVyZSBoYXZlIGJlZW4gb3RoZXJzLg0KPiANCj4gQnV0IHRoZW4gd2UgcmVhbGx5IG11 c3QgZ2V0IHRoYXQgZml4ZWQsIGltaG8gLT5yZWFkKCkgYW5kIC0+d3JpdGUoKQ0KPiBzaG91bGQg Z28gYXdheSwgYW5kIGlmIHRoZSBpdGVyIHZhcmlhbnRzIGFyZSAxMCUgc2xvd2VyLCB0aGVuIHRo YXQgc2hvdWxkDQo+IGdldCBmaXhlZCB1cC4NCg0KSSB0aGluayB0aGVyZSBhcmUgdHdvIHNlcGFy YXRlIGlzc3Vlcy4NCihBbHRob3VnaCBJJ3ZlIG5vdCBsb29rZWQgaW4gZGV0YWlsIGludG8gdGhl IHJlYWxseSBiYWQgY2FzZXMuKQ0KDQoxKSBJIHN1c3BlY3Qgc29tZSBvZiB0aGUgZnMgY29kZSBp cyB1c2luZyBlbnRpcmVseSBkaWZmZXJlbnQgcGF0aHMgZm9yIHRoZQ0KJ3NpbmdsZSBmcmFnbWVu dCcgYW5kICdpdGVyJyB2YXJpYW50cy4NCg0KMikgRm9yIHRyaXZpYWwgZHJpdmVycyB0aGUgY29z dCBvZiBzZXR0aW5nIHVwIHRoZSBpb3ZfaXRlcltdIGFuZCB0aGVuDQppdGVyYXRpbmcgaXQgYmVj b21lcyBzaWduaWZpY2FudCAob3IgYXQgbGVhc3QgbWVhc3VyYWJsZSkuDQoNCkkgaGF2ZW4ndCB0 cmllZCB0byB1bmRvIHRoZSBtb3Jhc3Mgb2YgI2RlZmluZXMgaW4gdGhlIGl0ZXIgY29kZS4NCkJ1 dCBJIHN1c3BlY3QgdGhleSBjb3VsZCBiZSBvcHRpbWlzZWQgZm9yIHRoZSBjb21tb24gY2FzZSBv Zg0KY29weWluZyBhbiBlbnRpcmUgc2luZ2xlLWZyYWdtZW50IHRvL2Zyb20gdXNlcnNwYWNlIGlu IG9uZSBjYWxsLg0KDQpOb3QgcmVsYXRlZCB0byB0aGlzIGNvZGUgcGF0aCwgYnV0IEkndmUgc29t ZSBwYXRjaGVzIHRoYXQgZ2l2ZSBhDQpmZXcgJSBzcGVlZHVwIGZvciB3cml0ZXYoKSB0byAvZGV2 L251bGwuDQpUaGF0IGlzIGFsbCBhYm91dCBjb3B5aW5nIHRoZSBpb3ZbXSBmcm9tIHVzZXIgLSBp dCBkb2Vzbid0IGdldCAnaXRlcmF0ZWQnLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRy ZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1L MSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K