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DIR:OUT; SFP:1102; SCL:1; SRVR:AM0PR08MB3649; H:AM0PR08MB3572.eurprd08.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A: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: 2AnmR2zY37MfKlqiflPRHGuMN7H13bD+1IAVkIhgGwefEqkJX4atHusX1+rcvGapZGBJnazNoAHkRiHYpCvtg6yQvJjGBpcY6p/F5LHm+VMGE62YibVDKHWd397Vf791NQ4ciFvDoCH99MtvyXn/hhpHF+zNSd3/V9gjr+Ymliqdvv3477quSS2xFa3uLHlHUv81hSHYkBzIzKsjg13qApA95GIWKAv1c7utgYaeJUJggipokO5zK3o2wGFD3ePA+4ZwuAUdjJXm2bwyoWdaTsW+ARUx1rvGEMBB4NPORHGffKMMQaclXqhjj8fVRTmc8a7pBfcNV1ucXREa/2458XCwSpO4MvcA7jcF6/owbd6xC9FL1SBnjAsB/DdvNTq8/jqO4FbF4A6br/VsrnLjLtAnXHqtQxQ+7xTo1FprpoI= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: f07f7217-1728-4540-513b-08d6f0e80c2a X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Jun 2019 16:47:54.9591 (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-CrossTenant-userprincipalname: vsementsov@virtuozzo.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB3649 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 40.107.3.114 Subject: Re: [Qemu-devel] [PATCH v5 20/42] block/snapshot: Fall back to storage child X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , "qemu-devel@nongnu.org" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" MTQuMDYuMjAxOSAxOToxMCwgTWF4IFJlaXR6IHdyb3RlOg0KPiBPbiAxNC4wNi4xOSAxNzoyMiwg VmxhZGltaXIgU2VtZW50c292LU9naWV2c2tpeSB3cm90ZToNCj4+IDEzLjA2LjIwMTkgMTowOSwg TWF4IFJlaXR6IHdyb3RlOg0KPj4+IElmIHRoZSB0b3Agbm9kZSdzIGRyaXZlciBkb2VzIG5vdCBw cm92aWRlIHNuYXBzaG90IGZ1bmN0aW9uYWxpdHkgYW5kIHdlDQo+Pj4gd2FudCB0byBnbyBkb3du IHRoZSBjaGFpbiwgd2Ugc2hvdWxkIGdvIHRvd2FyZHMgdGhlIGNoaWxkIHdoaWNoIHN0b3Jlcw0K Pj4+IHRoZSBkYXRhLCBpLmUuIHRoZSBzdG9yYWdlIGNoaWxkLg0KPj4+DQo+Pj4gYmRydl9zbmFw c2hvdF9nb3RvKCkgYmVjb21lcyBhIGJpdCB3ZWlyZCBiZWNhdXNlIHdlIG1heSBoYXZlIHRvIHJl ZGlyZWN0DQo+Pj4gdGhlIGFjdHVhbCBjaGlsZCBwb2ludGVyLCBzbyBpdCBvbmx5IHdvcmtzIGlm IHRoZSBzdG9yYWdlIGNoaWxkIGlzDQo+Pj4gYnMtPmZpbGUgb3IgYnMtPmJhY2tpbmcgKGFuZCB0 aGVuIHdlIGhhdmUgdG8gZmluZCBvdXQgd2hpY2ggaXQgaXMpLg0KPj4+DQo+Pj4gU2lnbmVkLW9m Zi1ieTogTWF4IFJlaXR6IDxtcmVpdHpAcmVkaGF0LmNvbT4NCj4+PiAtLS0NCj4+PiAgICBibG9j ay9zbmFwc2hvdC5jIHwgNzQgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0t LS0tLS0tLS0tDQo+Pj4gICAgMSBmaWxlIGNoYW5nZWQsIDUzIGluc2VydGlvbnMoKyksIDIxIGRl bGV0aW9ucygtKQ0KPj4+DQo+Pj4gZGlmZiAtLWdpdCBhL2Jsb2NrL3NuYXBzaG90LmMgYi9ibG9j ay9zbmFwc2hvdC5jDQo+Pj4gaW5kZXggZjJmNDhmOTI2YS4uNThjZDY2N2YzYSAxMDA2NDQNCj4+ PiAtLS0gYS9ibG9jay9zbmFwc2hvdC5jDQo+Pj4gKysrIGIvYmxvY2svc25hcHNob3QuYw0KPj4+ IEBAIC0xNTQsOCArMTU0LDkgQEAgaW50IGJkcnZfY2FuX3NuYXBzaG90KEJsb2NrRHJpdmVyU3Rh dGUgKmJzKQ0KPj4+ICAgICAgICB9DQo+Pj4gICAgDQo+Pj4gICAgICAgIGlmICghZHJ2LT5iZHJ2 X3NuYXBzaG90X2NyZWF0ZSkgew0KPj4+IC0gICAgICAgIGlmIChicy0+ZmlsZSAhPSBOVUxMKSB7 DQo+Pj4gLSAgICAgICAgICAgIHJldHVybiBiZHJ2X2Nhbl9zbmFwc2hvdChicy0+ZmlsZS0+YnMp Ow0KPj4+ICsgICAgICAgIEJsb2NrRHJpdmVyU3RhdGUgKnN0b3JhZ2VfYnMgPSBiZHJ2X3N0b3Jh Z2VfYnMoYnMpOw0KPj4+ICsgICAgICAgIGlmIChzdG9yYWdlX2JzKSB7DQo+Pj4gKyAgICAgICAg ICAgIHJldHVybiBiZHJ2X2Nhbl9zbmFwc2hvdChzdG9yYWdlX2JzKTsNCj4+PiAgICAgICAgICAg IH0NCj4+PiAgICAgICAgICAgIHJldHVybiAwOw0KPj4+ICAgICAgICB9DQo+Pg0KPj4gSG1tIGlz IGl0IGNvcnJlY3QgYXQgYWxsIGRvaW5nIGEgc25hcHNob3QsIHdoZW4gdG9wIGZvcm1hdCBub2Rl IGRvZXNuJ3Qgc3VwcG9ydCBpdCwNCj4+IG1ldGFkYXRhIGNoaWxkIGRvZXNuJ3Qgc3VwcG9ydCBp dCBhbmQgc3RvcmFnZSBjaGlsZCBzdXBwb3J0cz8gRG9pbmcgc25hcHNob3RzIG9mDQo+PiBzdG9y YWdlIGNoaWxkIHNlZW1zIHVzZWxlc3MsIGFzIGRhdGEgZmlsZSBtdXN0IGJlIGluIHN5bmMgd2l0 aCBtZXRhZGF0YS4NCj4gDQo+IFlvdeKAmXJlIHJpZ2h0Lg0KPiANCj4gVGhhdOKAmXMgYWN0dWFs bHkgYSBidWcgYWxyZWFkeS4gIFZNREsgY2FuIHN0b3JlIGRhdGEgaW4gbXVsdGlwbGUNCj4gY2hp bGRyZW4sIGJ1dCBpdCBkb2VzIG5vdCBzdXBwb3J0IHNuYXBzaG90cy4gIFNvIGlmIHlvdSBzdG9y ZSBzdWNoIGENCj4gc3BsaXQgVk1ESyBkaXNrIG9uIGFuIFJCRCB2b2x1bWUsIGl0IGlzIHBvc3Np YmxlIHRoYXQganVzdCB0aGUNCj4gZGVzY3JpcHRvciBmaWxlIGlzIHNuYXBzaG90dGVkLCBidXQg bm90aGluZyBlbHNlLg0KPiANCj4gSG1tbS4gIEkgdGhpbmsgdGhlIGJlc3Qgd2F5IGlzIHRvIGNo ZWNrIHdoZXRoZXIgdGhlcmUgaXMgZXhhY3RseSBvbmUNCj4gY2hpbGQgdGhhdCBpcyBub3QgdGhl IGJkcnZfZmlsdGVyZWRfY293X2NoaWxkKCkuICBJZiBzbywgd2UgY2FuIGdvIGRvd24NCj4gdG8g aXQgYW5kIHNuYXBzaG90IGl0LiAgT3RoZXJ3aXNlLCB0aGUgbm9kZSBkb2VzIG5vdCBzdXBwb3J0 IHNuYXBzaG90cy4NCj4gDQoNCkFueXRoaW5nIHByZXZlbnRzIGZvcm1hdCBub2RlIHRvIHN0b3Jl IHNvbWV0aGluZyBub3QgaW4gYSBiZHJ2IGNoaWxkIGJ1dCBpbiBzb21ldGhpbmcgc2VwYXJhdGU/ DQoNCk1heSBiZSB0aGUgc2FmZXN0IHdheSBpcyB0byBmYWxsIGJhY2sgb25seSBmb3IgZmlsdGVy IG5vZGVzLg0KDQoNCi0tIA0KQmVzdCByZWdhcmRzLA0KVmxhZGltaXINCg==