Return-Path: Received: from mexforward.lss.emc.com ([128.222.32.20]:57336 "EHLO mexforward.lss.emc.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752017Ab1G1CC7 (ORCPT ); Wed, 27 Jul 2011 22:02:59 -0400 From: To: , CC: , , Date: Wed, 27 Jul 2011 22:02:39 -0400 Subject: RE: [PATCH v3 03/25] NFS41: Let layoutcommit handle multiple segments Message-ID: References: <1311792048-12551-1-git-send-email-rees@umich.edu> <1311792048-12551-4-git-send-email-rees@umich.edu> <4E306F84.6030808@panasas.com> <1311798159.25645.32.camel@lade.trondhjem.org> <4E30762E.4000508@panasas.com> <20110727205804.GA13698@merit.edu> <4E307E6F.6090309@panasas.com> <20110727234041.GC14319@merit.edu> <4E30A957.7080804@panasas.com> In-Reply-To: <4E30A957.7080804@panasas.com> Content-Type: text/plain; charset="utf-8" Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 SGksIEJvYXosDQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogbGludXgt bmZzLW93bmVyQHZnZXIua2VybmVsLm9yZyBbbWFpbHRvOmxpbnV4LW5mcy1vd25lckB2Z2VyLmtl cm5lbC5vcmddDQo+IE9uIEJlaGFsZiBPZiBCb2F6IEhhcnJvc2gNCj4gU2VudDogVGh1cnNkYXks IEp1bHkgMjgsIDIwMTEgODoxMiBBTQ0KPiBUbzogSmltIFJlZXMNCj4gQ2M6IFRyb25kIE15a2xl YnVzdDsgbGludXgtbmZzQHZnZXIua2VybmVsLm9yZzsgcGV0ZXIgaG9uZXltYW4NCj4gU3ViamVj dDogUmU6IFtQQVRDSCB2MyAwMy8yNV0gTkZTNDE6IExldCBsYXlvdXRjb21taXQgaGFuZGxlIG11 bHRpcGxlIHNlZ21lbnRzDQo+IA0KPiBPbiAwNy8yNy8yMDExIDA0OjQwIFBNLCBKaW0gUmVlcyB3 cm90ZToNCj4gPiBCb2F6IEhhcnJvc2ggd3JvdGU6DQo+ID4NCj4gPiAgIE9uIDA3LzI3LzIwMTEg MDE6NTggUE0sIEppbSBSZWVzIHdyb3RlOg0KPiA+ICAgPiAgIEJ1dCBJIHRob3VnaHQgZm9yIHNp bXBsaWNpdHkgc2luY2UgdGhpcyBwYXRjaHNldCB3YXMgcmV2aWV3ZWQgdGhlbiwgSSd2ZQ0KPiA+ ICAgPiAgIHRlc3RlZCB3aXRoIHRoaXMgcGF0Y2ggYW5kIGl0IHdvcmtzIGdvb2QgYXMgd2VsbC4g SWYgeW91IGFyZSBnb2luZyB0bw0KPiA+ICAgPiAgIGJyZWFrIHRoaW5ncyB1cCwgSSBjYW4gdGVz dCB3aXRoIHRoZSBtaW5pbWFsIHBhdGNoZXMgYW5kIHJlcG9ydCB3aGF0IGlzDQo+ID4gICA+ICAg bmVlZCBpbiBTdGFibGUuIChJcyBhbnlvbmUgd29ya2luZyBvbiBpdD8pDQo+ID4gICA+DQo+ID4g ICA+IFdlIG1heSBoYXZlIG92ZXItc3F1YXNoZWQgdGhhdCBvbmUgZm9yIGJsb2NrIGxheW91dC4g IEkgY2FuIGRpZyB1cCB0aGUNCj4gPiAgID4gb3JpZ2luYWwgcGF0Y2hlcyBpZiBuZWNlc3Nhcnks IGJ1dCBJJ20gZ3Vlc3NpbmcgeW91IHByb2JhYmx5IGhhdmUgdGhlbS4NCj4gPg0KPiA+ICAgUGxl YXNlIGRvLiBCZWNhdXNlIGJ5IG5vdyBJJ20gY29uZnVzZWQuIHRoZSBmaXJzdCBJIGRpc2NvdmVy ZWQgaXQgd2FzDQo+ID4gICBieSBnaXQgZGlmZiBvZiBhIGJyYW5jaCB0aGF0IHdvcmtlZC4gSSBs b3N0IHRyYWNrZWQgb2Ygd2hlcmUgdGhlIGNvZGUNCj4gPiAgIHdhcyBvcmlnaW5hdGVkIGZyb20u DQo+ID4NCj4gPiBIZXJlIGlzIGp1c3QgdGhlIG9yaWdpbmFsIG11bHRpcGxlIHNlZ21lbnRzIHBh dGNoLiAgVGhpcyBpcyBmcm9tIHRoZQ0KPiA+IDg4LXBhdGNoIHNldCBJIHNlbnQgb3V0IGJlZm9y ZSBCYWtlYXRob24uICBJIGRvbid0IGtub3cgaWYgdGhpcyB3b3VsZCBzdGlsbA0KPiA+IGFwcGx5 IHNlcGFyYXRlbHkuDQo+ID4NCj4gDQo+IE9LIFRoYW5rcyB0aGF0IG9uZSBsb29rcyBmYW1pbGlh ciBlbm91Z2guIEknbGwgdGVzdCBqdXN0IHdpdGggdGhpcyBvbmUuDQpBcyBGcmVkIHBvaW50ZWQg b3V0IGVhcmxpZXIsIHRoaXMgb25lIGhhcyBzb21lIHByb2JsZW0gb2YgcmV0dXJuaW5nIGEgcmFu ZG9tIGxzZWcuIEkgd2lsbCBzcGxpdCB0aGUgZmluYWwgdmVyc2lvbiBhbmQgeW91IGNhbiB0ZXN0 IHdoaWNoIHBhdGNoIHlvdSBuZWVkIGZvciBzdGFibGUuDQoNCkNoZWVycywNClRhbw0KDQo+IA0K PiBXaGVyZSBkaWQgdGhlIG90aGVyIGNoYW5nZXMgY29tZSBmcm9tPyBJcyB0aGVyZSBhIEJlbm55 J3MgYnJhbmNoIHRoYXQNCj4gaGF2ZSB0aGVtIHNlcGFyYXRlZCBzbyBJIGNhbiBoYXZlIGEgbG9v ay4gSSBzdXNwZWN0IEkgYWxzbyBuZWVkIHRoZSBvbmUNCj4gdGhhdCBlbmNvZGVzIHRoZSBsYXN0 X2J5dGVfd3JpdHRlbi4NCj4gDQo+IFRoYW5rcw0KPiBCb2F6DQo+IA0KPiA+IEZyb20gZmMzMzgx ZmE2NmFkZmNlZTQyMDNiNWE1NWNhNjYwNWJjZmM4ZGFmYiBNb24gU2VwIDE3IDAwOjAwOjAwIDIw MDENCj4gPiBGcm9tOiBQZW5nIFRhbyA8YmVyZ3dvbGZAZ21haWwuY29tPg0KPiA+IERhdGU6IFR1 ZSwgMzEgTWF5IDIwMTEgMDA6NDI6NTYgLTA0MDANCj4gPiBTdWJqZWN0OiBbUEFUQ0ggMDMvODld IHBuZnM6IGxldCBsYXlvdXRjb21taXQgY29kZSBoYW5kbGUgbXVsdGlwbGUgc2VnbWVudHMNCj4g Pg0KPiA+IFNvbWUgbGF5b3V0IGRyaXZlciBsaWtlIGJsb2NrIHdpbGwgaGF2ZSBtdWx0aXBsZSBz ZWdtZW50cy4NCj4gPiBHZW5lcmljIGNvZGUgc2hvdWxkIGJlIGFibGUgdG8gaGFuZGxlIGl0Lg0K PiA+IC0tLQ0KPiA+ICBmcy9uZnMvcG5mcy5jIHwgICAxNSArKysrKysrKysrKystLS0NCj4gPiAg ZnMvbmZzL3BuZnMuaCB8ICAgIDEgKw0KPiA+ICAyIGZpbGVzIGNoYW5nZWQsIDEzIGluc2VydGlv bnMoKyksIDMgZGVsZXRpb25zKC0pDQo+ID4NCj4gPiBkaWZmIC0tZ2l0IGEvZnMvbmZzL3BuZnMu YyBiL2ZzL25mcy9wbmZzLmMNCj4gPiBpbmRleCBlM2Q2MThiLi5jMThjZGEwIDEwMDY0NA0KPiA+ IC0tLSBhL2ZzL25mcy9wbmZzLmMNCj4gPiArKysgYi9mcy9uZnMvcG5mcy5jDQo+ID4gQEAgLTEx OTMsMTAgKzExOTMsMTggQEAgcG5mc190cnlfdG9fcmVhZF9kYXRhKHN0cnVjdCBuZnNfcmVhZF9k YXRhICpyZGF0YSwNCj4gPiAgc3RhdGljIHN0cnVjdCBwbmZzX2xheW91dF9zZWdtZW50ICpwbmZz X2xpc3Rfd3JpdGVfbHNlZyhzdHJ1Y3QgaW5vZGUgKmlub2RlKQ0KPiA+ICB7DQo+ID4gIAlzdHJ1 Y3QgcG5mc19sYXlvdXRfc2VnbWVudCAqbHNlZywgKnJ2ID0gTlVMTDsNCj4gPiArCWxvZmZfdCBt YXhfcG9zID0gMDsNCj4gPiArDQo+ID4gKwlsaXN0X2Zvcl9lYWNoX2VudHJ5KGxzZWcsICZORlNf SShpbm9kZSktPmxheW91dC0+cGxoX3NlZ3MsIHBsc19saXN0KSB7DQo+ID4gKwkJaWYgKGxzZWct PnBsc19yYW5nZS5pb21vZGUgPT0gSU9NT0RFX1JXKSB7DQo+ID4gKwkJCWlmIChtYXhfcG9zIDwg bHNlZy0+cGxzX2VuZF9wb3MpDQo+ID4gKwkJCQltYXhfcG9zID0gbHNlZy0+cGxzX2VuZF9wb3M7 DQo+ID4gKwkJCWlmICh0ZXN0X2FuZF9jbGVhcl9iaXQoTkZTX0xTRUdfTEFZT1VUQ09NTUlULCAm bHNlZy0+cGxzX2ZsYWdzKSkNCj4gPiArCQkJCXJ2ID0gbHNlZzsNCj4gPiArCQl9DQo+ID4gKwl9 DQo+ID4gKwlydi0+cGxzX2VuZF9wb3MgPSBtYXhfcG9zOw0KPiA+DQo+ID4gLQlsaXN0X2Zvcl9l YWNoX2VudHJ5KGxzZWcsICZORlNfSShpbm9kZSktPmxheW91dC0+cGxoX3NlZ3MsIHBsc19saXN0 KQ0KPiA+IC0JCWlmIChsc2VnLT5wbHNfcmFuZ2UuaW9tb2RlID09IElPTU9ERV9SVykNCj4gPiAt CQkJcnYgPSBsc2VnOw0KPiA+ICAJcmV0dXJuIHJ2Ow0KPiA+ICB9DQo+ID4NCj4gPiBAQCAtMTIx MSw2ICsxMjE5LDcgQEAgcG5mc19zZXRfbGF5b3V0Y29tbWl0KHN0cnVjdCBuZnNfd3JpdGVfZGF0 YSAqd2RhdGEpDQo+ID4gIAlpZiAoIXRlc3RfYW5kX3NldF9iaXQoTkZTX0lOT19MQVlPVVRDT01N SVQsICZuZnNpLT5mbGFncykpIHsNCj4gPiAgCQkvKiByZWZlcmVuY2VzIG1hdGNoZWQgaW4gbmZz NF9sYXlvdXRjb21taXRfcmVsZWFzZSAqLw0KPiA+ICAJCWdldF9sc2VnKHdkYXRhLT5sc2VnKTsN Cj4gPiArCQlzZXRfYml0KE5GU19MU0VHX0xBWU9VVENPTU1JVCwgJndkYXRhLT5sc2VnLT5wbHNf ZmxhZ3MpOw0KPiA+ICAJCXdkYXRhLT5sc2VnLT5wbHNfbGNfY3JlZCA9DQo+ID4gIAkJCWdldF9y cGNjcmVkKHdkYXRhLT5hcmdzLmNvbnRleHQtPnN0YXRlLT5vd25lci0+c29fY3JlZCk7DQo+ID4g IAkJbWFya19hc19kaXJ0eSA9IHRydWU7DQo+ID4gZGlmZiAtLWdpdCBhL2ZzL25mcy9wbmZzLmgg Yi9mcy9uZnMvcG5mcy5oDQo+ID4gaW5kZXggNTM4MTlkMC4uYzZhOWFmMiAxMDA2NDQNCj4gPiAt LS0gYS9mcy9uZnMvcG5mcy5oDQo+ID4gKysrIGIvZnMvbmZzL3BuZnMuaA0KPiA+IEBAIC0zNiw2 ICszNiw3IEBADQo+ID4gIGVudW0gew0KPiA+ICAJTkZTX0xTRUdfVkFMSUQgPSAwLAkvKiBjbGVh cmVkIHdoZW4gbHNlZyBpcyByZWNhbGxlZC9yZXR1cm5lZCAqLw0KPiA+ICAJTkZTX0xTRUdfUk9D LAkJLyogcm9jIGJpdCByZWNlaXZlZCBmcm9tIHNlcnZlciAqLw0KPiA+ICsJTkZTX0xTRUdfTEFZ T1VUQ09NTUlULAkvKiBsYXlvdXRjb21taXQgYml0IHNldCBmb3IgbGF5b3V0Y29tbWl0ICovDQo+ ID4gIH07DQo+ID4NCj4gPiAgc3RydWN0IHBuZnNfbGF5b3V0X3NlZ21lbnQgew0KPiANCj4gLS0N Cj4gVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vic2Ny aWJlIGxpbnV4LW5mcyIgaW4NCj4gdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2 Z2VyLmtlcm5lbC5vcmcNCj4gTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2Vy bmVsLm9yZy9tYWpvcmRvbW8taW5mby5odG1sDQoNCgTvv717Lm7vv70r77+977+977+977+977+9 77+977+9KyXvv73vv71sendt77+977+9Yu+/veunsu+/ve+/vXLvv73vv716WO+/ve+/vRnfsinv v73vv73vv713Kh9qZ++/ve+/ve+/vR7vv73vv73vv73vv73vv73domov77+977+977+9eu+/vd6W 77+977+9Mu+/vd6Z77+977+977+9Ju+/vSnfoe+/vWHvv73vv71/77+977+9Hu+/vUfvv73vv73v v71o77+9D++/vWo6K3bvv73vv73vv71377+92aU=