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[2620:137:e000::1:20]) by mx.google.com with ESMTP id t10-20020a63dd0a000000b0054f96f7bcf3si4732336pgg.105.2023.06.26.02.43.55; Mon, 26 Jun 2023 02:44:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229765AbjFZJU3 (ORCPT + 99 others); Mon, 26 Jun 2023 05:20:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229900AbjFZJTV (ORCPT ); Mon, 26 Jun 2023 05:19:21 -0400 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 55B4B3C1D for ; Mon, 26 Jun 2023 02:16:42 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-128--2i5PMHPMya9Tn9UXmmevQ-1; Mon, 26 Jun 2023 10:16:16 +0100 X-MC-Unique: -2i5PMHPMya9Tn9UXmmevQ-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Mon, 26 Jun 2023 10:16:15 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Mon, 26 Jun 2023 10:16:15 +0100 From: David Laight To: 'Linus Torvalds' , David Howells CC: Franck Grosjean , Phil Auld , Alexander Viro , Christian Brauner , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] pipe: Make a partially-satisfied blocking read wait for more Thread-Topic: [PATCH] pipe: Make a partially-satisfied blocking read wait for more Thread-Index: AQHZpir6nf64Bm6mB0W9DmTd8gcjT6+c0Jmg Date: Mon, 26 Jun 2023 09:16:15 +0000 Message-ID: <4fd200bd9df24106a6d19293a495b661@AcuMS.aculab.com> References: <2730511.1687559668@warthog.procyon.org.uk> 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 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogTGludXMgVG9ydmFsZHMNCj4gU2VudDogMjQgSnVuZSAyMDIzIDAwOjMyDQo+IA0KPiBP biBGcmksIDIzIEp1biAyMDIzIGF0IDE2OjA4LCBMaW51cyBUb3J2YWxkcw0KPiA8dG9ydmFsZHNA bGludXgtZm91bmRhdGlvbi5vcmc+IHdyb3RlOg0KPiA+DQo+ID4gSW4gZmFjdCwgSSdkIGV4cGVj dCB0aGF0IHBhdGNoIHRvIGZhaWwgaW1tZWRpYXRlbHkgb24gYSBwZXJmZWN0bHkNCj4gPiBub3Jt YWwgcHJvZ3JhbSB0aGF0IHBhc3NlcyBhIHRva2VuIGFyb3VuZCBieSBkb2luZyBhIHNtYWxsIHdy aXRlIHRvIGENCj4gPiBwaXBlLCBhbmQgaGF2ZSB0aGUgInRva2VuIHJlYWRlciIgZG8gYSBiaWdn ZXIgd3JpdGUuDQo+IA0KPiBCaWdnZXIgX3JlYWRfLCBvZiBjb3Vyc2UuDQo+IA0KPiBUaGlzIG1p Z2h0IGJlIGhpZGRlbiBieSBzdWNoIHByb2dyYW1zIHR5cGljYWxseSBkb2luZyBhIHNpbmdsZSBi eXRlDQo+IHdyaXRlIGFuZCBhIHNpbmdsZSBieXRlIHJlYWQsIGJ1dCBJIGNvdWxkIGVhc2lseSBp bWFnaW5lIHNpdHVhdGlvbnMNCj4gd2hlcmUgcGVvcGxlIGFjdHVhbGx5IGRlcGVuZCBvbiB0aGUg UE9TSVggYXRvbWljaXR5IGd1YXJhbnRlZXMsIGllIHlvdQ0KPiB3cml0ZSBhICJ0b2tlbiBwYWNr ZXQiIHRoYXQgbWlnaHQgYmUgdmFyaWFibGUtc2l6ZWQsIGFuZCB0aGUgcmVhZGVyDQo+IHRoZW4g anVzdCBkb2VzIGEgbWF4aW1hbGx5IHNpemVkIHJlYWQsIGtub3dpbmcgdGhhdCBpdCB3aWxsIGdl dCBhIGZ1bGwNCj4gcGFja2V0IG9yIG5vdGhpbmcuDQoNClRoZXJlIGFyZSBkZWZpbml0ZWx5IHBy b2dyYW1zIHRoYXQganVzdCBkbyBhIGxhcmdlIHJlYWQgaW4gb3JkZXINCnRvIGNvbnN1bWUgYWxs IHRoZSBzaW5nbGUgYnl0ZSAnd2FrZXVwJyB3cml0ZXMuDQoNCihUaGUgJ211c3QgY2hlY2snIG9u IHRoZXNlIHJlYWRzIGlzIGEgcmlnaHQgUElUQS4pDQoNClRoZXkgb3VnaHQgdG8gc2V0IHRoZSBw aXBlIG5vbi1ibG9ja2luZywgYnV0IEkgc3VzcGVjdCBtYW55DQpkb24ndCAtIGJlY2F1c2UgaXQg YWxsIHdvcmtzIGFueXdheS4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtl c2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBV Sw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==