Received-SPF: pass (google.com: domain of linux-nfs+bounces-835-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1;
From: Trond Myklebust <trondmy@hammerspace.com>
To: "amir73il@gmail.com" <amir73il@gmail.com>
CC: "linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	"viro@zeniv.linux.org.uk" <viro@zeniv.linux.org.uk>, "chuck.lever@oracle.com"
	<chuck.lever@oracle.com>
Subject: Re: [PATCH] knfsd: fix the fallback implementation of the get_name
 export operation
Thread-Topic: [PATCH] knfsd: fix the fallback implementation of the get_name
 export operation
Thread-Index: AQHaOcuIQhXuXI7gUE61seKNbWjvCbC/wUMAgACgqgA=
Date: Fri, 29 Dec 2023 15:21:57 +0000
Message-ID: <a68a47d136decfeb6c1cc7959353ae51aca47ae7.camel@hammerspace.com>
References: <20231228201510.985235-1-trondmy@kernel.org>
	 <CAOQ4uxiCf=FWtZWw2uLRmfPvgSxsnmqZC6A+FQgQs=MBQwA30w@mail.gmail.com>
In-Reply-To:
 <CAOQ4uxiCf=FWtZWw2uLRmfPvgSxsnmqZC6A+FQgQs=MBQwA30w@mail.gmail.com>
Accept-Language: en-US, en-GB
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0:
 =?utf-8?B?Smt6M3Z0d2t0WUpNYUtXcXdjaGVNbittQnNCUlRZeUZVUHdqaXVYcy9FdlND?=
 =?utf-8?B?dlpLWDFMU1c0WnI2WXpWL3RURWZ2TGgvK2tNZjRWZWxMeHVZS3pyd002Y0kr?=
 =?utf-8?B?SW0zUkhVcU5lcW00REtTa1NUczdrYUYvYm5EMzV0cmFkcnhtODQzMU5PSzBt?=
 =?utf-8?B?WUZrQmwrYWJvd1pwZkhidFZzWHR2S1FDNy90aklIRHZBKzhBMWcxZGFOYXZh?=
 =?utf-8?B?UzFFdmkzZXMzUXhWRGd5TzVRZHNHakpVTGVoOWRlc3lFZDlFSE1JdHNXZ09x?=
 =?utf-8?B?RTVBVHZLNkcxaEFiM3hOOFlpUXlKbG5xOHFkMEJ2QUJiN3ovZmhESWRjanMw?=
 =?utf-8?B?T2VuVThYTTZEeS9zaVpxSzQyd09MdUl6OGJLQjlKWERNYVJKTUR1TTQvNmJn?=
 =?utf-8?B?VUJjaFNlaEorWWpYQ3ptUWpLVVRSZG5tRHRjd0JkQlUySXkyOW9pMFhkbWNJ?=
 =?utf-8?B?SnVadHVOd1ZreVR3RGJ1bkNvaHljYjkwNXpwQ09yTUU2TFFaL2RNY2FyT0Nq?=
 =?utf-8?B?MFBDdFhlRDlHVmlzL3BQbkl2ZVBJVmtMdTBmWExTTUhXWE1BYWczWVF4ejdH?=
 =?utf-8?B?QnpUQVF4RlFzakRNNGV6RmJ0Zjdwa01IZ1ZpN1I5UUFVdTVneUxuL0xJdThU?=
 =?utf-8?B?WDN2UVA5d3RXbWVtMGs3cWN1WCtNalNPVktjeXlHd0J4T1VGdGhkT25qT3ZZ?=
 =?utf-8?B?bHNXb0hWMVhtQmZza0JHcU94eTMzbEpNc3dBMEJ0ckc3MFZBSDRqQWdyWEsz?=
 =?utf-8?B?SEtoNko3OGttRTZtTGpZTlRDakowYVkwOVJJTUxRVnU4MGhhTXF2YlNMQXBD?=
 =?utf-8?B?Z2hNQlRaMXZDQlJTZ29PMzJyNDF0RFhtUFNZS2RWQ2xRUDRpTFVORG83T3I4?=
 =?utf-8?B?dzZnOENrR3hWN25UNnZHTFFSYnpqTkFESFhpQ3hySmt1RzZoUFhHL0dBdTY2?=
 =?utf-8?B?WjhTMjNsdGpCbDBDT0dkWk9TOVQxVnJvUXVNcTlHOWRzRXpPNDg5QjNadVZQ?=
 =?utf-8?B?ZXJ3dldONE14TmFiOXd6UjRsbjhSci95eVM3TytmVHFtK1JzcUhFTGdqZTN4?=
 =?utf-8?B?eDFBbUNMa3NIc0g2MEkrMG05WmxicHl3bHIxdEpKbS83T0ZMMk1EUy9hWFk2?=
 =?utf-8?B?dis3SHVINS8wQnlCd1AwVGNDSTBKQWxVenpRMGZlVWFsRGhZZWV2S01FbGVq?=
 =?utf-8?B?TFVXVE1rck5OWGtoTncyc2pyblQxNnFyWlFvZTRoK1IyMlJoUjlLQVVWNUpM?=
 =?utf-8?B?OEtmeTZmZW5yb0FWVTVwUGRmakhNcnpaYVpRRFVmLzRnWU04dTJUcW5uVVZD?=
 =?utf-8?B?WjBHU05TTmljSi92MUd6RW9JV1VCR3lQVFdMd1UwRC8zdlhKK3hsWnkrRXFi?=
 =?utf-8?B?YlFnOU51U1dpMnVybWp4Wk9yK2FBdEM0SkNoM1ZtR2U5aUY1bjhteVcyOGFi?=
 =?utf-8?B?cGJvZjlFUjhrQk53Ky9WODkxZnhEV2JRdkZ0VVlEK3hka2tpTVo0bDRHMUVv?=
 =?utf-8?B?VmVOV1gzY01jT1NSWUs5RHNDRVlmZk5Damo5eDF4WUp6Z2h0dmF1T01JWDRk?=
 =?utf-8?B?VVZXUnZMRGMvZkVPWHp5R2tldi9VeEpJYVlmN0JyS1lhMHdpWDg3VXJCYTk5?=
 =?utf-8?B?dm04R1piSzRqOWtKWHZFNUNhUS9xc1Bja0RITklnWGIrVllaN3JPaHd6cFRh?=
 =?utf-8?B?bk5RdnQzdHFEK05DZmJqYUJvNjhxM1JhTUc1dlhkeXFCYS9OREdjT09Tbkdm?=
 =?utf-8?B?ZUlodmduM28yaVMweG9Ta1RDaGtVc3NKdUNBMGVsVFhuaUdZV0xZcmRwTURv?=
 =?utf-8?B?ZnVkSE1XTm9YRkE5UXN1TTBuanJINVZkRmZVQm9IYXFlc3ZLL2VVeUlxUlJR?=
 =?utf-8?B?dGhteGtGbFgwS3grdFR3cXBHRi9MWStTMmJ5WHJnQ0d0elhmRHc1bEt6ZkIy?=
 =?utf-8?B?OTR3emsyNjUwZUNYa2Z0RHk2alpVejJNNjZpb1dhS1BsK08renBCU3Vpd2Fy?=
 =?utf-8?B?cXNuSDZvb0lMMGVPSm9YRUY2end2WW5TQi9XOUZlTlo5cWtRTXZ5MlRiZXR3?=
 =?utf-8?B?NkhTb2VoVG5UcTZod2VWRFpZc2kxZ3I1T0dWVFFKaWJJN1pFSS9XVi9JS0pn?=
 =?utf-8?B?ZFl3UnJaRi9mdmxKUEpKc25ueFA0MTdoMTZ1UERzY3BQbWprUTh6SklkRzlp?=
 =?utf-8?B?SlE9PQ==?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <49A4597B64E4494CAAE60A09B991F4BA@namprd13.prod.outlook.com>
Content-Transfer-Encoding: base64
Precedence: bulk
X-Mailing-List: linux-nfs@vger.kernel.org
List-Id: <linux-nfs.vger.kernel.org>
List-Subscribe: <mailto:linux-nfs+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:linux-nfs+unsubscribe@vger.kernel.org>
MIME-Version: 1.0
X-OriginatorOrg: hammerspace.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: CH0PR13MB5084.namprd13.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: b4ba2461-5b53-48be-d691-08dc0881e576
X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Dec 2023 15:21:57.2981
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 0d4fed5c-3a70-46fe-9430-ece41741f59e
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: WVN8MtCGMiPUltkhs0lK4psqnO2O1BazBcJHtLO2573zOroRJb0z0oIObeHJFpyMxn8yRm5LzwVCj7K0DYUTrA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR13MB6076

T24gRnJpLCAyMDIzLTEyLTI5IGF0IDA3OjQ2ICswMjAwLCBBbWlyIEdvbGRzdGVpbiB3cm90ZToN
Cj4gW0NDOiBmc2RldmVsLCB2aXJvXQ0KPiANCj4gT24gVGh1LCBEZWMgMjgsIDIwMjMgYXQgMTA6
MjLigK9QTSA8dHJvbmRteUBrZXJuZWwub3JnPiB3cm90ZToNCj4gPiANCj4gPiBGcm9tOiBUcm9u
ZCBNeWtsZWJ1c3QgPHRyb25kLm15a2xlYnVzdEBoYW1tZXJzcGFjZS5jb20+DQo+ID4gDQo+ID4g
VGhlIGZhbGxiYWNrIGltcGxlbWVudGF0aW9uIGZvciB0aGUgZ2V0X25hbWUgZXhwb3J0IG9wZXJh
dGlvbiB1c2VzDQo+ID4gcmVhZGRpcigpIHRvIHRyeSB0byBtYXRjaCB0aGUgaW5vZGUgbnVtYmVy
IHRvIGEgZmlsZW5hbWUuIFRoYXQNCj4gPiBmaWxlbmFtZQ0KPiA+IGlzIHRoZW4gdXNlZCB0b2dl
dGhlciB3aXRoIGxvb2t1cF9vbmUoKSB0byBwcm9kdWNlIGEgZGVudHJ5Lg0KPiA+IEEgcHJvYmxl
bSBhcmlzZXMgd2hlbiB3ZSBtYXRjaCB0aGUgJy4nIG9yICcuLicgZW50cmllcywgc2luY2UgdGhh
dA0KPiA+IGNhdXNlcyBsb29rdXBfb25lKCkgdG8gZmFpbC4gVGhpcyBoYXMgc29tZXRpbWVzIGJl
ZW4gc2VlbiB0byBvY2N1cg0KPiA+IGZvcg0KPiA+IGZpbGVzeXN0ZW1zIHRoYXQgdmlvbGF0ZSBQ
T1NJWCByZXF1aXJlbWVudHMgYXJvdW5kIHVuaXF1ZW5lc3Mgb2YNCj4gPiBpbm9kZQ0KPiA+IG51
bWJlcnMsIHNvbWV0aGluZyB0aGF0IGlzIGNvbW1vbiBmb3Igc25hcHNob3QgZGlyZWN0b3JpZXMu
DQo+IA0KPiBPdWNoLiBOYXN0eS4NCj4gDQo+IExvb2tzIHRvIG1lIGxpa2UgdGhlIHJvb3QgY2F1
c2UgaXMgImZpbGVzeXN0ZW1zIHRoYXQgdmlvbGF0ZSBQT1NJWA0KPiByZXF1aXJlbWVudHMgYXJv
dW5kIHVuaXF1ZW5lc3Mgb2YgaW5vZGUgbnVtYmVycyIuDQo+IFRoaXMgdmlvbGF0aW9uIGNhbiBj
YXVzZSBhbnkgb2YgdGhlIHBhcmVudCdzIGNoaWxkcmVuIHRvIHdyb25nbHkNCj4gbWF0Y2gNCj4g
Z2V0X25hbWUoKSBub3Qgb25seSAnLicgYW5kICcuLicgYW5kIGZhaWwgdGhlIGRfaW5vZGUgc2Fu
aXR5IGNoZWNrDQo+IGFmdGVyDQo+IGxvb2t1cF9vbmUoKS4NCj4gDQo+IEkgdW5kZXJzdGFuZCB3
aHkgdGhpcyB3b3VsZCBiZSBjb21tb24gd2l0aCBwYXJlbnQgb2Ygc25hcHNob3QgZGlyLA0KPiBi
dXQgdGhlIG9ubHkgZnMgdGhhdCBzdXBwb3J0IHNuYXBzaG90cyB0aGF0IEkga25vdyBvZiAoYnRy
ZnMsDQo+IGJjYWNoZWZzKQ0KPiBkbyBpbXBsZW1lbnQgLT5nZXRfbmFtZSgpLCBzbyB3aGljaCBm
aWxlc3lzdGVtIGRpZCB5b3UgZW5jb3VudGVyDQo+IHRoaXMgYmVoYXZpb3Igd2l0aD8gY2FuIGl0
IGJlIGZpeGVkIGJ5IGltcGxlbWVudGluZyBhIHNuYXBzaG90DQo+IGF3YXJlIC0+Z2V0X25hbWUo
KT8NCg0KTkZTIChpLmUuIHJlLWV4cG9ydGluZyBORlMpLg0KDQpXaHkgZG8geW91IG5vdCB3YW50
IGEgZml4IGluIHRoZSBnZW5lcmljIGNvZGU/DQoNCj4gDQo+ID4gDQo+ID4gVGhpcyBwYXRjaCBq
dXN0IGVuc3VyZXMgdGhhdCB3ZSBza2lwICcuJyBhbmQgJy4uJyByYXRoZXIgdGhhbg0KPiA+IGFs
bG93aW5nIGENCj4gPiBtYXRjaC4NCj4gDQo+IEkgYWdyZWUgdGhhdCBza2lwcGluZyAnLicgYW5k
ICcuLicgbWFrZXMgc2Vuc2UsIGJ1dC4uLg0KPiANCj4gPiANCj4gPiBGaXhlczogMjFkOGExNWFj
MzMzICgibG9va3VwX29uZV9sZW46IGRvbid0IGFjY2VwdCAuIGFuZCAuLiIpDQo+IA0KPiAuLi5U
aGlzIEZpeGVzIGlzIGEgYml0IG9kZCB0byBtZS4NCj4gRG9lcyB0aGUgcHJvYmxlbSBnbyBhd2F5
IGlmIHRoZSBGaXhlcyBwYXRjaCBpcyByZXZlcnRlZD8NCj4gSSBkb24ndCB0aGluayBzbywgSSB0
aGluayB5b3Ugd291bGQganVzdCBoaXQgdGhlIGRfaW5vZGUgc2FuaXR5IGNoZWNrDQo+IGFmdGVy
IGxvb2t1cF9vbmUoKSBzdWNjZWVkcy4NCj4gTWF5YmUgSSBkaWQgbm90IHVuZGVyc3RhbmQgdGhl
IHByb2JsZW0gdGhlbi4NCj4gDQo+ID4gU2lnbmVkLW9mZi1ieTogVHJvbmQgTXlrbGVidXN0IDx0
cm9uZC5teWtsZWJ1c3RAaGFtbWVyc3BhY2UuY29tPg0KPiA+IC0tLQ0KPiA+IMKgZnMvZXhwb3J0
ZnMvZXhwZnMuYyB8IDQgKysrLQ0KPiA+IMKgMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygr
KSwgMSBkZWxldGlvbigtKQ0KPiA+IA0KPiA+IGRpZmYgLS1naXQgYS9mcy9leHBvcnRmcy9leHBm
cy5jIGIvZnMvZXhwb3J0ZnMvZXhwZnMuYw0KPiA+IGluZGV4IDNhZTAxNTRjNTY4MC4uODRhZjU4
ZWFmMmNhIDEwMDY0NA0KPiA+IC0tLSBhL2ZzL2V4cG9ydGZzL2V4cGZzLmMNCj4gPiArKysgYi9m
cy9leHBvcnRmcy9leHBmcy5jDQo+ID4gQEAgLTI1NSw3ICsyNTUsOSBAQCBzdGF0aWMgYm9vbCBm
aWxsZGlyX29uZShzdHJ1Y3QgZGlyX2NvbnRleHQNCj4gPiAqY3R4LCBjb25zdCBjaGFyICpuYW1l
LCBpbnQgbGVuLA0KPiA+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBjb250YWluZXJf
b2YoY3R4LCBzdHJ1Y3QgZ2V0ZGVudHNfY2FsbGJhY2ssIGN0eCk7DQo+ID4gDQo+ID4gwqDCoMKg
wqDCoMKgwqAgYnVmLT5zZXF1ZW5jZSsrOw0KPiA+IC3CoMKgwqDCoMKgwqAgaWYgKGJ1Zi0+aW5v
ID09IGlubyAmJiBsZW4gPD0gTkFNRV9NQVgpIHsNCj4gPiArwqDCoMKgwqDCoMKgIC8qIElnbm9y
ZSB0aGUgJy4nIGFuZCAnLi4nIGVudHJpZXMgKi8NCj4gPiArwqDCoMKgwqDCoMKgIGlmICgobGVu
ID4gMiB8fCBuYW1lWzBdICE9ICcuJyB8fCAobGVuID09IDIgJiYgbmFtZVsxXSAhPQ0KPiA+ICcu
JykpICYmDQo+IA0KPiBJIHdpc2ggSSBkaWQgbm90IGhhdmUgdG8gcmV2aWV3IHRoYXQgdGhpcyBj
b25kaXRpb24gaXMgY29ycmVjdC4NCj4gSSB3aXNoIHRoZXJlIHdhcyBhIGNvbW1vbiBoZWxwZXIg
aXNfZG90X29yX2RvdGRvdCgpIHRoYXQgd291bGQgYmUNCj4gdXNlZCBoZXJlIGFzICFpc19kb3Rf
ZG90ZG90KG5hbWUsIGxlbikuDQo+IEkgZm91bmQgMyBjb3BpZXMgb2YgaXNfZG90X2RvdGRvdCgp
Lg0KPiBJIGRpZG4ndCBldmVuIHRyeSB0byBmaW5kIGhvdyBtYW55IHBsYWNlcyBoYXZlIG9wZW4g
Y29kZWQgdGhpcy4NCj4gDQo+IFRoYW5rcywNCj4gQW1pci4NCj4gDQoNCi0tIA0KVHJvbmQgTXlr
bGVidXN0IA0KQ1RPLCBIYW1tZXJzcGFjZSBJbmMgDQoxOTAwIFMgTm9yZm9sayBTdCwgU3VpdGUg
MzUwIC0gIzQ1IA0KU2FuIE1hdGVvLCBDQSA5NDQwMyANCuKAiw0Kd3d3LmhhbW1lcnNwYWNlLmNv
bQ0K