From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:55010) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hIVj6-0007eq-9W for qemu-devel@nongnu.org; Mon, 22 Apr 2019 05:59:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hIVj4-0005UG-JZ for qemu-devel@nongnu.org; Mon, 22 Apr 2019 05:59:04 -0400 From: Vladimir Sementsov-Ogievskiy Date: Mon, 22 Apr 2019 09:58:38 +0000 Message-ID: <2bd2faa2-adeb-924f-656b-bdce6cd5d164@virtuozzo.com> References: <20190408162617.258535-1-vsementsov@virtuozzo.com> In-Reply-To: <20190408162617.258535-1-vsementsov@virtuozzo.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <69B6ADC87773E041AD5EEFF7135F136D@eurprd08.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH v2 for 4.1 0/2] avoid lseek on block_status List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "qemu-devel@nongnu.org" , "qemu-block@nongnu.org" Cc: "mreitz@redhat.com" , "kwolf@redhat.com" , "fam@euphon.net" , "stefanha@redhat.com" , "eblake@redhat.com" , Denis Lunev cGluZw0KDQowOC4wNC4yMDE5IDE5OjI2LCBWbGFkaW1pciBTZW1lbnRzb3YtT2dpZXZza2l5IHdy b3RlOg0KPiBIaSENCj4gDQo+IEl0J3MgYSBjb250aW51YXRpb24gZm9yDQo+ICJbUEFUQ0hdIHFj b3cyOiBhdm9pZCBsc2VlayBvbiBibG9ja19zdGF0dXMgaWYgcG9zc2libGUiDQo+IGh0dHBzOi8v bGlzdHMuZ251Lm9yZy9hcmNoaXZlL2h0bWwvcWVtdS1kZXZlbC8yMDE5LTAxL21zZzA2NTk4Lmh0 bWwNCj4gDQo+IHBlcmZvcm1hbmNlIHJlc3VsdHMgZm9yIGJsb2NrLXN0YXR1cyBvbiB0bXBmcyBb dGVzdHMgb3JpZ2luYWxseSBieSBLZXZpbiwNCj4gbm93IHRoZXkgYXJlIGluIDAxXToNCj4gDQo+ IC4vdGVzdHMvcGVyZi9ibG9jay9xY293Mi9jb252ZXJ0LWJsb2Nrc3RhdHVzIC9yYW1kaXNrL3gN Cj4gDQo+IGFmdGVyIDAxOg0KPiANCj4gcGxhaW46IDgxLjc3DQo+IGZvcndhcmQ6IDgyLjYxDQo+ IHByZWFsbG9jOiAwLjAxDQo+IA0KPiBhZnRlciAwMjoNCj4gDQo+IHBsYWluOiAwLjEyDQo+IGZv cndhcmQ6IDAuMTINCj4gcHJlYWxsb2M6IDAuMDENCj4gDQo+IHYyOg0KPiAgIDAxOiBuZXcNCj4g ICAwMjogW21vc3RseSBieSBLZXZpbidzIGNvbW1lbnRzXQ0KPiAgICAgICAtIHJld3JpdHRlbiB0 byBnbyB0aHJvdWdoIG5ldyBmbGFnIEJEUlZfQkxPQ0tfUkVDVVJTRQ0KPiAgICAgICAtIG5ldmVy IHJldHJ5IGRldGVjdGlvbiBpZiBmYWlsZWQgZm9yIGZpcnN0IHRpbWUNCj4gICAgICAgLSByZXdy aXRlIGRldGVjdGlvbiB0byBkbyBsZXNzIGl0ZXJhdGlvbnMgYW5kIHRvIGJlIG1vcmUgc2ltcGxl DQo+IA0KPiAgICAgICBpb3Rlc3RzIDEwMiBiZWhhdmlvciBjaGFuZ2VkIFthbmQgbm90IHN1cmUg YWJvdXQgb3RoZXIgdHdvIG9uZXMNCj4gICAgICAgaW4gY29tcGFyaXNvbiB3aXRoIHYxLCBidXQg aXQgc2VlbXMgaXQgZG9lc24ndCBtYXR0ZXJdDQo+IA0KPiAgICAgICBhbHNvLCBwYXRjaCBzdWJq ZWN0IGNoYW5nZWQsIGFzIG5vdyBpdCdzIGEgZ2VuZXJpYyBjaGFuZ2UgZm9yDQo+ICAgICAgIGJs b2NrIGxheWVyDQo+IA0KPiANCj4gVmxhZGltaXIgU2VtZW50c292LU9naWV2c2tpeSAoMik6DQo+ ICAgIHRlc3RzL3BlcmY6IFRlc3QgbHNlZWsgaW5mbHVlbmNlIG9uIHFjb3cyIGJsb2NrLXN0YXR1 cw0KPiAgICBibG9jazogYXZvaWQgcmVjdXJzaXZlIGJsb2NrX3N0YXR1cyBjYWxsIGlmIHBvc3Np YmxlDQo+IA0KPiAgIGJsb2NrL3Fjb3cyLmggICAgICAgICAgICAgICAgICAgICAgICAgICAgICB8 ICA0ICsrDQo+ICAgaW5jbHVkZS9ibG9jay9ibG9jay5oICAgICAgICAgICAgICAgICAgICAgIHwg IDggKystDQo+ICAgYmxvY2svaW8uYyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHwg IDkgKystDQo+ICAgYmxvY2svcWNvdzItcmVmY291bnQuYyAgICAgICAgICAgICAgICAgICAgIHwg MzIgKysrKysrKysrKw0KPiAgIGJsb2NrL3Fjb3cyLmMgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICB8IDExICsrKysNCj4gICB0ZXN0cy9wZXJmL2Jsb2NrL3Fjb3cyL2NvbnZlcnQtYmxvY2tz dGF0dXMgfCA3MSArKysrKysrKysrKysrKysrKysrKysrDQo+ICAgdGVzdHMvcWVtdS1pb3Rlc3Rz LzEwMiAgICAgICAgICAgICAgICAgICAgIHwgIDIgKy0NCj4gICB0ZXN0cy9xZW11LWlvdGVzdHMv MTAyLm91dCAgICAgICAgICAgICAgICAgfCAgMyArLQ0KPiAgIHRlc3RzL3FlbXUtaW90ZXN0cy8x NDEub3V0ICAgICAgICAgICAgICAgICB8ICAyICstDQo+ICAgdGVzdHMvcWVtdS1pb3Rlc3RzLzE0 NC5vdXQgICAgICAgICAgICAgICAgIHwgIDIgKy0NCj4gICAxMCBmaWxlcyBjaGFuZ2VkLCAxMzgg aW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkNCj4gICBjcmVhdGUgbW9kZSAxMDA3NTUgdGVz dHMvcGVyZi9ibG9jay9xY293Mi9jb252ZXJ0LWJsb2Nrc3RhdHVzDQo+IA0KDQoNCi0tIA0KQmVz dCByZWdhcmRzLA0KVmxhZGltaXINCg== 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=-0.7 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 4352DC10F11 for ; 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DIR:OUT; SFP:1102; SCL:1; SRVR:DB7PR08MB3514; H:DB7PR08MB3851.eurprd08.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: virtuozzo.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 5WmJg+jvUlzp2aCPvI2vaOeQMEHdzqC/mYzITqDVqFSPCG/BHCMRHZde2PuJtw7WwGKvqc5S044m+uHq3m5Vt7uNNElOP+LHYBiVeoLkch5l5CHsYpYWxdV/X52nr3E/XT4zzzx6S3QnI6jhFcFlsV/iPh0kQzPKkstlwsVxvqdD3imMK4uNVmtdslmGJeOK5cOy8YZiv1Pf/k3GsFFaNFju26+RXDvzaNhH78VT0l+p9IB/ZqTu+aKgj8YDhiy1rAf96hnL5W+zl6MdXKaW9SfCh5uHB89okR9z52Oe+qCVKawKEWLUpCyyh2J9adffMdUIt4HXzoBaJX8Inp8T+ALY9Rqspd/iOAwOjOC3geK70cjBMneAU9A+h/Y2eBscJDKiQpkLLmGtbvfRxepyUU+CsOGyjB/tChfhUJa0+Zk= Content-Type: text/plain; charset="UTF-8" Content-ID: <69B6ADC87773E041AD5EEFF7135F136D@eurprd08.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2bfd83ce-c2a4-44f1-4c75-08d6c709168e X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Apr 2019 09:58:38.2392 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR08MB3514 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 40.107.6.131 Subject: Re: [Qemu-devel] [PATCH v2 for 4.1 0/2] avoid lseek on block_status X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "kwolf@redhat.com" , "fam@euphon.net" , Denis Lunev , "mreitz@redhat.com" , "stefanha@redhat.com" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Message-ID: <20190422095838.0d8JP6OmaQ_2Ka1gmjqfTxqBaTJDj9-WR_CU8p8EZPU@z> cGluZw0KDQowOC4wNC4yMDE5IDE5OjI2LCBWbGFkaW1pciBTZW1lbnRzb3YtT2dpZXZza2l5IHdy b3RlOg0KPiBIaSENCj4gDQo+IEl0J3MgYSBjb250aW51YXRpb24gZm9yDQo+ICJbUEFUQ0hdIHFj b3cyOiBhdm9pZCBsc2VlayBvbiBibG9ja19zdGF0dXMgaWYgcG9zc2libGUiDQo+IGh0dHBzOi8v bGlzdHMuZ251Lm9yZy9hcmNoaXZlL2h0bWwvcWVtdS1kZXZlbC8yMDE5LTAxL21zZzA2NTk4Lmh0 bWwNCj4gDQo+IHBlcmZvcm1hbmNlIHJlc3VsdHMgZm9yIGJsb2NrLXN0YXR1cyBvbiB0bXBmcyBb dGVzdHMgb3JpZ2luYWxseSBieSBLZXZpbiwNCj4gbm93IHRoZXkgYXJlIGluIDAxXToNCj4gDQo+ IC4vdGVzdHMvcGVyZi9ibG9jay9xY293Mi9jb252ZXJ0LWJsb2Nrc3RhdHVzIC9yYW1kaXNrL3gN Cj4gDQo+IGFmdGVyIDAxOg0KPiANCj4gcGxhaW46IDgxLjc3DQo+IGZvcndhcmQ6IDgyLjYxDQo+ IHByZWFsbG9jOiAwLjAxDQo+IA0KPiBhZnRlciAwMjoNCj4gDQo+IHBsYWluOiAwLjEyDQo+IGZv cndhcmQ6IDAuMTINCj4gcHJlYWxsb2M6IDAuMDENCj4gDQo+IHYyOg0KPiAgIDAxOiBuZXcNCj4g ICAwMjogW21vc3RseSBieSBLZXZpbidzIGNvbW1lbnRzXQ0KPiAgICAgICAtIHJld3JpdHRlbiB0 byBnbyB0aHJvdWdoIG5ldyBmbGFnIEJEUlZfQkxPQ0tfUkVDVVJTRQ0KPiAgICAgICAtIG5ldmVy IHJldHJ5IGRldGVjdGlvbiBpZiBmYWlsZWQgZm9yIGZpcnN0IHRpbWUNCj4gICAgICAgLSByZXdy aXRlIGRldGVjdGlvbiB0byBkbyBsZXNzIGl0ZXJhdGlvbnMgYW5kIHRvIGJlIG1vcmUgc2ltcGxl DQo+IA0KPiAgICAgICBpb3Rlc3RzIDEwMiBiZWhhdmlvciBjaGFuZ2VkIFthbmQgbm90IHN1cmUg YWJvdXQgb3RoZXIgdHdvIG9uZXMNCj4gICAgICAgaW4gY29tcGFyaXNvbiB3aXRoIHYxLCBidXQg aXQgc2VlbXMgaXQgZG9lc24ndCBtYXR0ZXJdDQo+IA0KPiAgICAgICBhbHNvLCBwYXRjaCBzdWJq ZWN0IGNoYW5nZWQsIGFzIG5vdyBpdCdzIGEgZ2VuZXJpYyBjaGFuZ2UgZm9yDQo+ICAgICAgIGJs b2NrIGxheWVyDQo+IA0KPiANCj4gVmxhZGltaXIgU2VtZW50c292LU9naWV2c2tpeSAoMik6DQo+ ICAgIHRlc3RzL3BlcmY6IFRlc3QgbHNlZWsgaW5mbHVlbmNlIG9uIHFjb3cyIGJsb2NrLXN0YXR1 cw0KPiAgICBibG9jazogYXZvaWQgcmVjdXJzaXZlIGJsb2NrX3N0YXR1cyBjYWxsIGlmIHBvc3Np YmxlDQo+IA0KPiAgIGJsb2NrL3Fjb3cyLmggICAgICAgICAgICAgICAgICAgICAgICAgICAgICB8 ICA0ICsrDQo+ICAgaW5jbHVkZS9ibG9jay9ibG9jay5oICAgICAgICAgICAgICAgICAgICAgIHwg IDggKystDQo+ICAgYmxvY2svaW8uYyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHwg IDkgKystDQo+ICAgYmxvY2svcWNvdzItcmVmY291bnQuYyAgICAgICAgICAgICAgICAgICAgIHwg MzIgKysrKysrKysrKw0KPiAgIGJsb2NrL3Fjb3cyLmMgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICB8IDExICsrKysNCj4gICB0ZXN0cy9wZXJmL2Jsb2NrL3Fjb3cyL2NvbnZlcnQtYmxvY2tz dGF0dXMgfCA3MSArKysrKysrKysrKysrKysrKysrKysrDQo+ICAgdGVzdHMvcWVtdS1pb3Rlc3Rz LzEwMiAgICAgICAgICAgICAgICAgICAgIHwgIDIgKy0NCj4gICB0ZXN0cy9xZW11LWlvdGVzdHMv MTAyLm91dCAgICAgICAgICAgICAgICAgfCAgMyArLQ0KPiAgIHRlc3RzL3FlbXUtaW90ZXN0cy8x NDEub3V0ICAgICAgICAgICAgICAgICB8ICAyICstDQo+ICAgdGVzdHMvcWVtdS1pb3Rlc3RzLzE0 NC5vdXQgICAgICAgICAgICAgICAgIHwgIDIgKy0NCj4gICAxMCBmaWxlcyBjaGFuZ2VkLCAxMzgg aW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkNCj4gICBjcmVhdGUgbW9kZSAxMDA3NTUgdGVz dHMvcGVyZi9ibG9jay9xY293Mi9jb252ZXJ0LWJsb2Nrc3RhdHVzDQo+IA0KDQoNCi0tIA0KQmVz dCByZWdhcmRzLA0KVmxhZGltaXINCg==