From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60108) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX8AW-0001cC-4H for qemu-devel@nongnu.org; Wed, 12 Dec 2018 12:19:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gX8AU-0008C7-CJ for qemu-devel@nongnu.org; Wed, 12 Dec 2018 12:19:32 -0500 From: Vladimir Sementsov-Ogievskiy Date: Wed, 12 Dec 2018 17:19:21 +0000 Message-ID: <312f075e-6e7f-5e8b-e7c9-e0d4c94e5ede@virtuozzo.com> References: <20181203101429.88735-1-anton.nefedov@virtuozzo.com> <20181203101429.88735-7-anton.nefedov@virtuozzo.com> <7ca3779c-b552-97f1-8ce2-860db23be045@virtuozzo.com> In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <2EDBB44510B3C248BB650FC80EA56BC6@eurprd08.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH v10 6/9] file-posix: support BDRV_REQ_ALLOCATE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anton Nefedov , "qemu-devel@nongnu.org" Cc: "qemu-block@nongnu.org" , "kwolf@redhat.com" , "mreitz@redhat.com" , "eblake@redhat.com" , Denis Lunev , "berto@igalia.com" MDUuMTIuMjAxOCAxNzoxMSwgQW50b24gTmVmZWRvdiB3cm90ZToNCj4gT24gNS8xMi8yMDE4IDQ6 MjUgUE0sIFZsYWRpbWlyIFNlbWVudHNvdi1PZ2lldnNraXkgd3JvdGU6DQo+PiAwMy4xMi4yMDE4 IDEzOjE0LCBBbnRvbiBOZWZlZG92IHdyb3RlOg0KPj4+IEN1cnJlbnQgd3JpdGVfemVyb2VzIGlt cGxlbWVudGF0aW9uIGlzIGdvb2QgZW5vdWdoIHRvIHNhdGlzZnkgdGhpcyBmbGFnIHRvbw0KPj4+ DQo+Pj4gU2lnbmVkLW9mZi1ieTogQW50b24gTmVmZWRvdiA8YW50b24ubmVmZWRvdkB2aXJ0dW96 em8uY29tPg0KPj4+IC0tLQ0KPj4+ICAgICBibG9jay9maWxlLXBvc2l4LmMgfCA4ICsrKysrKyst DQo+Pj4gICAgIDEgZmlsZSBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkN Cj4+Pg0KPj4+IGRpZmYgLS1naXQgYS9ibG9jay9maWxlLXBvc2l4LmMgYi9ibG9jay9maWxlLXBv c2l4LmMNCj4+PiBpbmRleCAwN2JiZGFiOTUzLi5iMGI3YWIwMTU5IDEwMDY0NA0KPj4+IC0tLSBh L2Jsb2NrL2ZpbGUtcG9zaXguYw0KPj4+ICsrKyBiL2Jsb2NrL2ZpbGUtcG9zaXguYw0KPj4+IEBA IC02MDMsNiArNjAzLDcgQEAgc3RhdGljIGludCByYXdfb3Blbl9jb21tb24oQmxvY2tEcml2ZXJT dGF0ZSAqYnMsIFFEaWN0ICpvcHRpb25zLA0KPj4+ICAgICAgICAgICAgIH0gZWxzZSB7DQo+Pj4g ICAgICAgICAgICAgICAgIHMtPmRpc2NhcmRfemVyb2VzID0gdHJ1ZTsNCj4+PiAgICAgICAgICAg ICAgICAgcy0+aGFzX2ZhbGxvY2F0ZSA9IHRydWU7DQo+Pj4gKyAgICAgICAgICAgIGJzLT5zdXBw b3J0ZWRfemVyb19mbGFncyA9IEJEUlZfUkVRX0FMTE9DQVRFOw0KPj4+ICAgICAgICAgICAgIH0N Cj4+PiAgICAgICAgIH0gZWxzZSB7DQo+Pj4gICAgICAgICAgICAgaWYgKCEoU19JU0NIUihzdC5z dF9tb2RlKSB8fCBTX0lTQkxLKHN0LnN0X21vZGUpKSkgew0KPj4+IEBAIC02NDYsMTAgKzY0Nywx MSBAQCBzdGF0aWMgaW50IHJhd19vcGVuX2NvbW1vbihCbG9ja0RyaXZlclN0YXRlICpicywgUURp Y3QgKm9wdGlvbnMsDQo+Pj4gICAgICNpZmRlZiBDT05GSUdfWEZTDQo+Pj4gICAgICAgICBpZiAo cGxhdGZvcm1fdGVzdF94ZnNfZmQocy0+ZmQpKSB7DQo+Pj4gICAgICAgICAgICAgcy0+aXNfeGZz ID0gdHJ1ZTsNCj4+PiArICAgICAgICBicy0+c3VwcG9ydGVkX3plcm9fZmxhZ3MgPSBCRFJWX1JF UV9BTExPQ0FURTsNCj4+DQo+PiB3aHkgd2Ugc2hvdWxkIGhhbmRsZSB4ZnMgc2VwYXJhdGVseT8g aXMgdGhlcmUgYSBjYXNlIHdpdGggeGZzLCBub3QgaGFuZGxlZCBieSBwcmV2aW91cyBnZW5lcmlj IGlmICgpPw0KPj4NCj4gDQo+IFRoZSBkcml2ZXIgc3VwcG9ydHMgQUxMT0NBVEUgZWl0aGVyIHdo ZW4gaXQncyBYRlMsIG9yIHdoZW4gZmFsbG9jYXRlIGlzDQo+IGF2YWlsYWJsZS4gQ3VycmVudGx5 IHRoZXJlIGlzIG5vIHRlc3QgZm9yIGZhbGxvY2F0ZSwgaXQncyBqdXN0IGltcGxpZWQNCj4gaXQn cyBzdXBwb3J0ZWQgdW50aWwgRU5PVFNVUCByZXR1cm5lZC4NCj4gSSB0aGluayBpdCdzIHNhZmVy IChmb3IgcG9zc2libGUgZnV0dXJlIGNoYW5nZXMpIHRvIHNldCBpdCB0d2ljZSBldmVuDQo+IHRo b3VnaCB5b3UncmUgcmlnaHQgYW5kIGZpcnN0IGNvbmRpdGlvbiBjdXJyZW50bHkgY292ZXJzIHRo ZSBYRlMNCj4gY29uZGl0aW9uIHRvby4NCg0KQWhhLCBvay4NCg0KDQoNCj4gDQo+Pj4gICAgICAg ICB9DQo+Pj4gICAgICNlbmRpZg0KPj4+ICAgICANCj4+PiAtICAgIGJzLT5zdXBwb3J0ZWRfemVy b19mbGFncyA9IEJEUlZfUkVRX01BWV9VTk1BUDsNCj4+PiArICAgIGJzLT5zdXBwb3J0ZWRfemVy b19mbGFncyB8PSBCRFJWX1JFUV9NQVlfVU5NQVA7DQo+Pj4gICAgICAgICByZXQgPSAwOw0KPj4+ ICAgICBmYWlsOg0KPj4+ICAgICAgICAgaWYgKGZpbGVuYW1lICYmIChiZHJ2X2ZsYWdzICYgQkRS Vl9PX1RFTVBPUkFSWSkpIHsNCj4+PiBAQCAtMTUyMCw2ICsxNTIyLDEwIEBAIHN0YXRpYyBzc2l6 ZV90IGhhbmRsZV9haW9jYl93cml0ZV96ZXJvZXMoUmF3UG9zaXhBSU9EYXRhICphaW9jYikNCj4+ PiAgICAgICAgICAgICB9DQo+Pj4gICAgICAgICAgICAgcy0+aGFzX2ZhbGxvY2F0ZSA9IGZhbHNl Ow0KPj4+ICAgICAgICAgfQ0KPj4+ICsNCj4+PiArICAgIGlmICghcy0+aGFzX2ZhbGxvY2F0ZSkg ew0KPj4+ICsgICAgICAgIGFpb2NiLT5icy0+c3VwcG9ydGVkX3plcm9fZmxhZ3MgJj0gfkJEUlZf UkVRX0FMTE9DQVRFOw0KPj4+ICsgICAgfQ0KDQpobSwgaWYgQ09ORklHX0ZBTExPQ0FURSBpcyBk aXNhYmxlZCwgZmxhZyB3aWxsIHJlbWFpbiBpbiBzdXBwb3J0ZWRfemVyb19mbGFncw0KDQo+Pj4g ICAgICNlbmRpZg0KPj4+ICAgICANCj4+PiAgICAgICAgIHJldHVybiAtRU5PVFNVUDsNCj4+Pg0K Pj4NCj4+DQoNCg0KLS0gDQpCZXN0IHJlZ2FyZHMsDQpWbGFkaW1pcg0K