From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-194.mimecast.com ([63.128.21.194]:41554 "EHLO us-smtp-delivery-194.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752066AbdFWP34 (ORCPT ); Fri, 23 Jun 2017 11:29:56 -0400 From: Trond Myklebust To: "bfields@fieldses.org" CC: "anna.schumaker@netapp.com" , "linux-nfs@vger.kernel.org" Subject: Re: [PATCH RESEND 0/3] Improvements to page writeback commit policy Date: Fri, 23 Jun 2017 15:29:44 +0000 Message-ID: <1498231782.8584.3.camel@primarydata.com> References: <20170620233539.22417-1-trond.myklebust@primarydata.com> <20170623145657.GA31966@fieldses.org> <1498231541.8584.1.camel@primarydata.com> In-Reply-To: <1498231541.8584.1.camel@primarydata.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gRnJpLCAyMDE3LTA2LTIzIGF0IDExOjI1IC0wNDAwLCBUcm9uZCBNeWtsZWJ1c3Qgd3JvdGU6 DQo+IE9uIEZyaSwgMjAxNy0wNi0yMyBhdCAxMDo1NiAtMDQwMCwgSi4gQnJ1Y2UgRmllbGRzIHdy b3RlOg0KPiA+IE9uIFR1ZSwgSnVuIDIwLCAyMDE3IGF0IDA3OjM1OjM1UE0gLTA0MDAsIFRyb25k IE15a2xlYnVzdCB3cm90ZToNCj4gPiA+IFRoZSBmb2xsb3dpbmcgcGF0Y2hlcyBhcmUgaW50ZW5k ZWQgdG8gc21vb3RoIG91dCB0aGUgcGFnZQ0KPiA+ID4gd3JpdGViYWNrDQo+ID4gPiBwZXJmb3Jt YW5jZSBieSBlbnN1cmluZyB0aGF0IHdlIGNvbW1pdCB0aGUgZGF0YSBlYXJsaWVyIG9uIHRoZQ0K PiA+ID4gc2VydmVyLg0KPiA+IA0KPiA+IFdhcyB0aGVyZSBzb21lIHBhcnRpY3VsYXIgYmVuY2ht YXJrIG9yIGhhcmR3YXJlIHNldHVwIHRoYXQNCj4gPiBtb3RpdmF0ZWQNCj4gPiBkb2luZyB0aGlz IG5vdz8NCj4gDQo+IEkgZmluYWxseSBoYWQgZW5vdWdoIGZyZWUgdGltZSB0byBzdHVkeSB0aGUg cHJvYmxlbSBvZiB3aHkgbXkgYmFja3Vwcw0KPiBmcm9tIG15IGxhcHRvcCB0byBteSBOQVMgYmFj a3VwIGRldmljZSB0b29rIHNvIGxvbmcgdG8gY29tcGxldGUsIGFuZA0KPiB3aHkgdGhlICdyc3lu YycgYmFuZHdpZHRoIGRpc3BsYXkgaXMgc28gaW5jb25zaXN0ZW50Lg0KDQpUaGUgTkFTIGRldmlj ZSBpbiBxdWVzdGlvbiBpcyBhIG5vLW5hbWUgYnJhbmQgTkZTdjMgYm94LCBCVFcuIE5vIGZhbmN5 DQpwTkZTIG9yIGV2ZW4gU1NEcy4NCg0KPiANCj4gPiANCj4gPiAtLWIuDQo+ID4gDQo+ID4gPiAN Cj4gPiA+IFdlIGFzc3VtZSB0aGF0IGlmIHNvbWV0aGluZyBpcyBzdGFydGluZyB3cml0ZWJhY2sg b24gdGhlIHBhZ2VzLA0KPiA+ID4gdGhlbg0KPiA+ID4gdGhhdCBwcm9jZXNzIHdhbnRzIHRvIGNv bW1pdCB0aGUgZGF0YSBhcyBzb29uIGFzIHBvc3NpYmxlLA0KPiA+ID4gd2hldGhlcg0KPiA+ID4g aXQNCj4gPiA+IGlzIGFuIGFwcGxpY2F0aW9uIG9yIGp1c3QgdGhlIGJhY2tncm91bmQgZmx1c2gg cHJvY2Vzcy4NCj4gPiA+IFdlIGFsc28gYXNzdW1lIHRoYXQgZm9yIHN0cmVhbWluZyB0eXBlIHBy b2Nlc3Nlcywgd2UgZG9uJ3Qgd2FudA0KPiA+ID4gdG8NCj4gPiA+IHBhdXNlDQo+ID4gPiB0aGUg SS9PIGluIG9yZGVyIHRvIGNvbW1pdCwgc28gd2UgZG9uJ3Qgd2FudCB0byByZWx5IG9uIGEgY291 bnRlcg0KPiA+ID4gb2YNCj4gPiA+IGluLWZsaWdodCBJL08gdG8gdGhlIGVudGlyZSBpbm9kZSBn b2luZyB0byB6ZXJvLg0KPiA+ID4gDQo+ID4gPiBXZSB0aGVyZWZvcmUgc2V0IHVwIGEgbW9uaXRv ciB0aGF0IGNvdW50cyB0aGUgbnVtYmVyIG9mIGluLWZsaWdodA0KPiA+ID4gd3JpdGVzIGZvciBl YWNoIGNhbGwgdG8gbmZzX3dyaXRlcGFnZXMoKS4gT25jZSBhbGwgdGhlIHdyaXRlcyB0bw0KPiA+ ID4gdGhhdA0KPiA+ID4gY2FsbCB0byBuZnNfd3JpdGVwYWdlcyBoYXMgY29tcGxldGVkLCB3ZSBz ZW5kIHRoZSBjb21taXQuIE5vdGUNCj4gPiA+IHRoYXQNCj4gPiA+IHRoaXMNCj4gPiA+IG1pcnJv cnMgdGhlIGJlaGF2aW91ciBmb3IgT19ESVJFQ1Qgd3JpdGVzLCB3aGVyZSB3ZSBzaW1pbGFybHkN Cj4gPiA+IHRyYWNrDQo+ID4gPiB0aGUNCj4gPiA+IGluLWZsaWdodCB3cml0ZXMgb24gYSBwZXIt Y2FsbCBiYXNpcy4NCj4gPiA+IA0KPiA+ID4gVHJvbmQgTXlrbGVidXN0ICgzKToNCj4gPiA+IMKg IE5GUzogUmVtb3ZlIHVudXNlZCBmaWVsZHMgaW4gdGhlIHBhZ2UgSS9PIHN0cnVjdHVyZXMNCj4g PiA+IMKgIE5GUzogRW5zdXJlIHdlIGNvbW1pdCBhZnRlciB3cml0ZWJhY2sgaXMgY29tcGxldGUN Cj4gPiA+IMKgIE5GUzogRml4IGNvbW1pdCBwb2xpY3kgZm9yIG5vbi1ibG9ja2luZyBjYWxscyB0 bw0KPiA+ID4gbmZzX3dyaXRlX2lub2RlKCkNCj4gPiA+IA0KPiA+ID4gwqBmcy9uZnMvcGFnZWxp c3QuY8KgwqDCoMKgwqDCoMKgwqB8wqDCoDUgKystLQ0KPiA+ID4gwqBmcy9uZnMvd3JpdGUuY8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqB8IDU5DQo+ID4gPiArKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKy0NCj4gPiA+IMKgaW5jbHVkZS9saW51eC9uZnNfcGFnZS5o IHzCoMKgMiArLQ0KPiA+ID4gwqBpbmNsdWRlL2xpbnV4L25mc194ZHIuaMKgwqB8wqDCoDMgKyst DQo+ID4gPiDCoDQgZmlsZXMgY2hhbmdlZCwgNjQgaW5zZXJ0aW9ucygrKSwgNSBkZWxldGlvbnMo LSkNCj4gPiA+IA0KPiA+ID4gLS3CoA0KPiA+ID4gMi45LjQNCj4gPiA+IA0KPiA+ID4gLS0NCj4g PiA+IFRvIHVuc3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNj cmliZSBsaW51eC0NCj4gPiA+IG5mcyIgaW4NCj4gPiA+IHRoZSBib2R5IG9mIGEgbWVzc2FnZSB0 byBtYWpvcmRvbW9Admdlci5rZXJuZWwub3JnDQo+ID4gPiBNb3JlIG1ham9yZG9tbyBpbmZvIGF0 wqDCoGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtDQo+ID4gPiBsDQo+ ID4gDQo+ID4gDQotLSANClRyb25kIE15a2xlYnVzdA0KTGludXggTkZTIGNsaWVudCBtYWludGFp bmVyLCBQcmltYXJ5RGF0YQ0KdHJvbmQubXlrbGVidXN0QHByaW1hcnlkYXRhLmNvbQ0K