From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-dm3nam03hn0236.outbound.protection.outlook.com ([104.47.41.236]:23616 "EHLO NAM03-DM3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752326AbeDSBrx (ORCPT ); Wed, 18 Apr 2018 21:47:53 -0400 From: Trond Myklebust To: "david@fromorbit.com" , "jlayton@kernel.org" CC: "andres@anarazel.de" , "lsf-pc@lists.linux-foundation.org" , "linux-fsdevel@vger.kernel.org" , "willy@infradead.org" Subject: Re: [Lsf-pc] [LSF/MM TOPIC] improving writeback error handling Date: Thu, 19 Apr 2018 01:47:49 +0000 Message-ID: <1524102468.38378.12.camel@hammer.space> References: <1523963281.4779.21.camel@kernel.org> <20180417225309.GA27893@dastard> <1524067210.27056.28.camel@kernel.org> <20180419004411.GG27893@dastard> In-Reply-To: <20180419004411.GG27893@dastard> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <964BE411B9923D449478CCEAEAEC47AA@namprd13.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: T24gVGh1LCAyMDE4LTA0LTE5IGF0IDEwOjQ0ICsxMDAwLCBEYXZlIENoaW5uZXIgd3JvdGU6DQo+ IE9uIFdlZCwgQXByIDE4LCAyMDE4IGF0IDEyOjAwOjEwUE0gLTA0MDAsIEplZmYgTGF5dG9uIHdy b3RlOg0KPiA+IEluc3RlYWQgb2YgZ3Jvd2luZyBzdHJ1Y3QgZmlsZSB0byBhY2NvbW1vZGF0ZSBh IHNlY29uZCBlcnJzZXENCj4gPiBjdXJzb3IsDQo+ID4gdGhpcyBvbmx5IGltcGxlbWVudHMgdGhh dCBiZWhhdmlvciB3aGVuIHRoZSBmaWxlIGlzIG9wZW5lZCB3aXRoDQo+ID4gT19QQVRIDQo+ID4g KGFzIHdlIGtub3cgdGhhdCB0aGF0IHdpbGwgaGF2ZSB0aGUgZnN5bmMgb3Agc2V0IHRvIE5VTEwp LiBNYXliZSB3ZQ0KPiA+IGNhbg0KPiA+IGRvIHRoaXMgYmV0dGVyIHNvbWVob3cgdGhvdWdoLg0K PiANCj4gTm8gaWRlYSB3aGV0aGVyIHRoaXMgaXMgcG9zc2libGUsIG9yIGV2ZW4gYSBnb29kIGlk ZWEsIGJ1dCBjb3VsZCB3ZQ0KPiBqdXN0IGhhdmUgc3luY2ZzKCkgY3JlYXRlIGEgdGVtcG9yYXJ5 IHN0cnVjdCBmaWxlIGZvciB0aGUgZHVyYXRpb24NCj4gb2YgdGhlIHN5bmNmcyBjYWxsLCBzbyBp dCB3b3JrcyBvbiBhbnkgZmQgcGFzc2VkIGluPyAoc29ydGEgbGlrZSBhbg0KPiBpbnRlcm5hbCBk dXBmZCgpIGNhbGw/KQ0KPiANCg0KSWYgdGhlIG1haW4gdXNlIGNhc2UgaXMgc29tZXRoaW5nIGxp a2UgUG9zdGdyZXNxbCwgd2hlcmUgeW91IGNhcmUgYWJvdXQNCmp1c3Qgb25lIG9yIHR3byBjcml0 aWNhbCBmaWxlcywgcmF0aGVyIHRoYW4gbW9uaXRvcmluZyB0aGUgZW50aXJlDQpmaWxlc3lzdGVt IGNvdWxkIHdlIHBlcmhhcHMgdXNlIGEgZGVkaWNhdGVkIG1tYXAoKSBtb2RlPyBJdCBzaG91bGQg YmUNCnBvc3NpYmxlIHRvIHRocm93IHVwIGEgYml0bWFwIHRoYXQgZGlzcGxheXMgdGhlIGV4YWN0 IGJsb2NrcyBvciBwYWdlcw0KdGhhdCBhcmUgYWZmZWN0ZWQsIG9uY2UgdGhlIGZpbGUgaGFzIGJl ZW4gZGFtYWdlZC4NCg0KRm9yIGJ1ZmZlcmVkIGZpbGVzLCB5b3UgbWlnaHQgZXZlbiBjb25zaWRl ciBhbGxvd2luZyBhbiBhcHByb3ByaWF0ZWx5DQpwcml2aWxlZ2VkIHByb2Nlc3MgdG8gZGlzY2Fy ZCB0aGUgZGlydHkgcGFnZXMgKHBlcmhhcHMgYnkgY2xlYXJpbmcgdGhlDQpiaXRzIGluIHRoZSBi aXRtYXA/KSBvbmNlIHRoZXkgaGF2ZSBiZWVuIGlkZW50aWZpZWQgYW5kIHBvc3NpYmx5IGNvcGll ZA0KYmFjayBvdXQgb2YgdGhlIHBhZ2UgY2FjaGUuDQoNCkNoZWVycw0KICBUcm9uZA==