Return-Path: Received: from us-smtp-delivery-194.mimecast.com ([63.128.21.194]:59849 "EHLO us-smtp-delivery-194.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751280AbdJENj3 (ORCPT ); Thu, 5 Oct 2017 09:39:29 -0400 From: Trond Myklebust To: "jack@suse.cz" , "linux-mm@kvack.org" , "linux-nfs@vger.kernel.org" CC: "anna.schumaker@netapp.com" Subject: Re: Why is NFS using a_ops->freepage? Date: Thu, 5 Oct 2017 13:39:23 +0000 Message-ID: <1507210761.20822.2.camel@primarydata.com> References: <20171005083657.GA28132@quack2.suse.cz> In-Reply-To: <20171005083657.GA28132@quack2.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: SGkgSmFuLA0KDQpPbiBUaHUsIDIwMTctMTAtMDUgYXQgMTA6MzYgKzAyMDAsIEphbiBLYXJhIHdy b3RlOg0KPiBIZWxsbywNCj4gDQo+IEknbSBkb2luZyBzb21lIHdvcmsgaW4gcGFnZSBjYWNoZSBo YW5kbGluZyBhbmQgSSBoYXZlIG5vdGljZWQgdGhhdA0KPiBORlMgaXMNCj4gdGhlIG9ubHkgdXNl ciBvZiBtYXBwaW5nLT5hX29wcy0+ZnJlZXBhZ2UgY2FsbGJhY2suIEZyb20gYSBxdWljayBsb29r DQo+IEkNCj4gZG9uJ3Qgc2VlIHdoeSBpc24ndCBORlMgdXNpbmcgLT5yZWxlYXNlcGFnZSAvIC0+ aW52YWxpZGF0ZXBhZ2UNCj4gY2FsbGJhY2sgYXMNCj4gYWxsIG90aGVyIGZpbGVzeXN0ZW1zIGRv PyBJIGFncmVlIHlvdSB3b3VsZCBoYXZlIHRvIHNldCBQYWdlUHJpdmF0ZQ0KPiBiaXQgZm9yDQo+ IHRob3NlIHRvIGdldCBjYWxsZWQgZm9yIHRoZSBkaXJlY3RvcnkgbWFwcGluZyBob3dldmVyIHRo YXQgd291bGQgc2VlbQ0KPiBsaWtlDQo+IGEgY2xlYW5lciB0aGluZyB0byBkbyBhbnl3YXkgLSBp biBmYWN0IHlvdSBkbyBoYXZlIHByaXZhdGUgZGF0YSBpbg0KPiB0aGUNCj4gcGFnZS4gIEp1c3Qg dGhleSBhcmUgbm90IHBvaW50ZWQgdG8gYnkgcGFnZS0+cHJpdmF0ZSBidXQgaW5zdGVhZCBhcmUN Cj4gc3RvcmVkDQo+IGFzIHBhZ2UgZGF0YS4uLiBBbSBJIG1pc3Npbmcgc29tZXRoaW5nPw0KPiAN Cj4gCQkJCQkJCQlIb256YQ0KDQpJJ20gbm90IHVuZGVyc3RhbmRpbmcgeW91ciBwb2ludC4gZGVs ZXRlX2Zyb21fcGFnZV9jYWNoZSgpIGRvZXNuJ3QgY2FsbA0KcmVsZWFzZXBhZ2UgQUZBSUNTLg0K DQpUaGUgcG9pbnQgb2YgZnJlZXBhZ2UgaXMgdGhhdCBpdCBpcyBjYWxsZWQgYWZ0ZXIgdGhlIHBh Z2UgaGFzIGJlZW4NCnJlbW92ZWQgZnJvbSB0aGUgcGFnZSBjYWNoZS4NCg0KLS0gDQpUcm9uZCBN eWtsZWJ1c3QNCkxpbnV4IE5GUyBjbGllbnQgbWFpbnRhaW5lciwgUHJpbWFyeURhdGENCnRyb25k Lm15a2xlYnVzdEBwcmltYXJ5ZGF0YS5jb20NCg==