Return-Path: linux-nfs-owner@vger.kernel.org Received: from hop-nat-141.emc.com ([168.159.213.141]:38236 "EHLO mexforward.lss.emc.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755814Ab2HNLWR (ORCPT ); Tue, 14 Aug 2012 07:22:17 -0400 From: "Peng, Tao" To: Boaz Harrosh , "Myklebust, Trond" CC: Peng Tao , "linux-nfs@vger.kernel.org" Date: Tue, 14 Aug 2012 07:21:43 -0400 Subject: RE: [PATCH-v2 2/3] NFS41: send real write size in layoutget Message-ID: <5DFC6BE3BA248842867E85C73BF94B050B18B54895@MX41A.corp.emc.com> References: <1344868776-1739-1-git-send-email-bergwolf@gmail.com> <1344868776-1739-2-git-send-email-bergwolf@gmail.com> <4FA345DA4F4AE44899BD2B03EEEC2FA93A0828@SACEXCMBX04-PRD.hq.netapp.com> <502A2F06.7070409@panasas.com> In-Reply-To: <502A2F06.7070409@panasas.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogQm9heiBIYXJyb3NoIFtt YWlsdG86YmhhcnJvc2hAcGFuYXNhcy5jb21dDQo+IFNlbnQ6IFR1ZXNkYXksIEF1Z3VzdCAxNCwg MjAxMiA2OjU3IFBNDQo+IFRvOiBNeWtsZWJ1c3QsIFRyb25kDQo+IENjOiBQZW5nIFRhbzsgbGlu dXgtbmZzQHZnZXIua2VybmVsLm9yZzsgUGVuZywgVGFvDQo+IFN1YmplY3Q6IFJlOiBbUEFUQ0gt djIgMi8zXSBORlM0MTogc2VuZCByZWFsIHdyaXRlIHNpemUgaW4gbGF5b3V0Z2V0DQo+IA0KPiBP biAwOC8xNC8yMDEyIDAzOjQyIEFNLCBNeWtsZWJ1c3QsIFRyb25kIHdyb3RlOg0KPiA8Pg0KPiAN Cj4gPj4gIHZvaWQNCj4gPj4gIHBuZnNfZ2VuZXJpY19wZ19pbml0X3dyaXRlKHN0cnVjdCBuZnNf cGFnZWlvX2Rlc2NyaXB0b3IgKnBnaW8sIHN0cnVjdCBuZnNfcGFnZSAqcmVxKQ0KPiA+PiAgew0K PiA+PiArCXU2NCB3Yl9zaXplOw0KPiA+PiArCXVuc2lnbmVkIHBvbGljeSA9IE5GU19TRVJWRVIo cGdpby0+cGdfaW5vZGUpLT5wbmZzX2N1cnJfbGQtPmZsYWdzICYNCj4gPj4gKwkJCQkJCVBORlNf TEFZT1VUR0VUX1BPTElDWV9NQVNLOw0KPiA+PiArDQo+ID4+ICAJQlVHX09OKHBnaW8tPnBnX2xz ZWcgIT0gTlVMTCk7DQo+ID4+DQo+ID4+ICAJaWYgKHJlcS0+d2Jfb2Zmc2V0ICE9IHJlcS0+d2Jf cGdiYXNlKSB7DQo+ID4+ICAJCW5mc19wYWdlaW9fcmVzZXRfd3JpdGVfbWRzKHBnaW8pOw0KPiA+ PiAgCQlyZXR1cm47DQo+ID4+ICAJfQ0KPiA+PiArDQo+ID4+ICsJaWYgKHBnaW8tPnBnX2RyZXEg PT0gTlVMTCkgew0KPiA+PiArCQlzd2l0Y2gocG9saWN5KSB7DQo+ID4+ICsJCWNhc2UgUE5GU19M QVlPVVRHRVRfSVNJWkU6DQo+ID4+ICsJCQl3Yl9zaXplID0gaV9zaXplX3JlYWQocGdpby0+cGdf aW5vZGUpIC0gcmVxX29mZnNldChyZXEpOw0KPiA+PiArCQkJYnJlYWs7DQo+ID4+ICsJCWNhc2Ug UE5GU19MQVlPVVRHRVRfU0VBUkNIX0hPTEU6DQo+ID4+ICsJCQl3Yl9zaXplID0gcG5mc19udW1f Y29udF9ieXRlcyhwZ2lvLT5wZ19pbm9kZSwgcmVxLT53Yl9pbmRleCk7DQo+ID4+ICsJCQlicmVh azsNCj4gPj4gKwkJY2FzZSBQTkZTX0xBWU9VVEdFVF9BTExfRklMRToNCj4gPj4gKwkJCXdiX3Np emUgPSBORlM0X01BWF9VSU5UNjQ7DQo+ID4+ICsJCQlicmVhazsNCj4gPj4gKwkJZGVmYXVsdDoN Cj4gPj4gKwkJCVdBUk5fT05DRSgxLCAiaW52YWxpZCBsYXlvdXRnZXQgcG9saWN5ICV1IiwgcG9s aWN5KTsNCj4gPj4gKwkJCXdiX3NpemUgPSBQQUdFX0NBQ0hFX1NJWkU7DQo+ID4+ICsJCQlicmVh azsNCj4gPj4gKwkJfQ0KPiA+PiArCX0gZWxzZSB7DQo+ID4+ICsJCXdiX3NpemUgPSBuZnNfZHJl cV9ieXRlc19sZWZ0KHBnaW8tPnBnX2RyZXEpOw0KPiA+PiArCX0NCj4gPj4gKw0KPiA+DQo+ID4g UGxlYXNlIGp1c3QgY2FsY3VsYXRlIHRoZSBjb3JyZWN0IHZhbHVlIGZvciB3Yl9zaXplIGluc2lk ZQ0KPiA+IGJsX3BnX2luaXRfd3JpdGUoKSwgYW5kIHBhc3MgaXQgYXMgYW4gZXh0cmEgcGFyYW1l dGVyIHRvDQo+ID4gcG5mc19nZW5lcmljX3BnX2luaXRfd3JpdGUoKS4NCj4gPg0KPiA+IFRoZW4g YWRkIHBuZnNfcGdfaW5pdF9vYmplY3Rfd3JpdGUgZm9yIG9iamVjdHMsIHRoYXQgY2FsbHMgdGhl IG1vZGlmaWVkDQo+ID4gcG5mc19nZW5lcmljX3BnX2luaXRfd3JpdGUoKSB3aXRoIHRoZSBQTkZT X0xBWU9VVEdFVF9JU0laRSB2YWx1ZS4NCj4gPg0KPiANCj4gDQo+IExldHMgcGxlYXNlIGNvbXBs ZXRlbHkga2lsbCBwbmZzX2dlbmVyaWNfcGdfaW5pdF93cml0ZSgpIGp1c3QgbGlrZQ0KPiBmaWxl cyBkaWQuIEl0IGdpdmVzIHVzIG5vdGhpbmcgYW5kIHNwZWNpYWx0eSBub3cgaXQgaXMgbW9yZSBj b21wYWN0DQo+IGNvZGUgdG8ganVzdCBpbmxpbmUgaXQsIGxpa2UgbmZzNGZpbGVsYXlvdXQuYyBk aWQuDQo+IA0KPiBCdXQgcGxlYXNlIGRvIHRoaXMgb24gdG9wIG9mIG15IHBlbmRpbmcgcGF0Y2hl cyBmb3IgMy42LXJjWC4gVGhleSB0b3VjaA0KPiBleGFjdGx5IHRoaXMgY29kZSBpbiBvYmplY3Rz Lg0KPiANCkkgaGF2ZSBzZXZlcmFsIGJ1Z2ZpeGVzIHBhdGNoZXMgZm9yIGJsb2NrIGxheW91dCBh bGlnbm1lbnQgdGhhdCB0b3VjaGVzIHRoZSBzYW1lIGNvZGUgaW4gYmxvY2tzIGFzIHdlbGwuDQoN ClRyb25kLCB3b3VsZCB5b3UgcGxlYXNlIG1lcmdlIHRoZW0gZm9yIG9uZSBvZiAzLjYtUkNzLCBh bHNvIHRoZSBwbmZzX2Jsa19zaXplIGZpeCBhbmQgRElPIGZpeD8gVGhleSBhcmUgYWxsIGJ1Z2Zp eCBhbmQgbmVlZCB0byBiZSBwdXNoZWQgdG8gc3RhYmxlLg0KSWYgeW91IHdhbnQsIEkgY2FuIHJl c2VuZCB0aGVtIHRvIHlvdS4gVGhhbmtzIGEgbG90Lg0KDQo+ID4gRmlsZXMgZG9uJ3QgY2FsbCB0 aGlzIGZ1bmN0aW9uLCBzbyBhZGRpbmcgdGhlIFBORlNfTEFZT1VUR0VUX0FMTF9GSUxFDQo+ID4g aXNuJ3QgbmVlZGVkLg0KPiANCj4gDQo+IEJUVzoNCj4gCWZpbGVsYXlvdXRfcGdfaW5pdF9yZWFk KCkNCj4gCWFuZA0KPiAJcG5mc19nZW5lcmljX3BnX2luaXRfcmVhZCgpDQo+ICAgSXMgY2hhci1i eS1jaGFyIElkZW50aWNhbCwgZXhjZXB0IHRoZSB2ZXJ5IGdvb2QgYWRkZWQgY29tbWVudCBpbg0K PiAgIGZpbGVsYXlvdXRfcGdfaW5pdF9yZWFkKCkuIENhbiBiZSBtZXJnZWQuDQpOb3QgZXhhY3Rs eS4gRm9yIGxheW91dCBvZmZzZXQsIGZpbGVsYXlvdXRfcGdfaW5pdF9yZWFkKCkgdXNlcyAwLCB3 aGlsZSBnZW5lcmljIGNvZGUgdXNlcyByZXFfb2Zmc2V0Lg0KDQpDaGVlcnMsDQpUYW8NCg==