From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE9DCC43441 for ; Sun, 11 Nov 2018 16:35:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B6B53208A3 for ; Sun, 11 Nov 2018 16:35:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B6B53208A3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=interlog.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729200AbeKLCYQ (ORCPT ); Sun, 11 Nov 2018 21:24:16 -0500 Received: from smtp.infotech.no ([82.134.31.41]:36550 "EHLO smtp.infotech.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727817AbeKLCYQ (ORCPT ); Sun, 11 Nov 2018 21:24:16 -0500 Received: from localhost (localhost [127.0.0.1]) by smtp.infotech.no (Postfix) with ESMTP id 81BF920423F; Sun, 11 Nov 2018 17:35:14 +0100 (CET) X-Virus-Scanned: by amavisd-new-2.6.6 (20110518) (Debian) at infotech.no Received: from smtp.infotech.no ([127.0.0.1]) by localhost (smtp.infotech.no [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Bjai95owhmHm; Sun, 11 Nov 2018 17:35:08 +0100 (CET) Received: from [172.16.0.116] (80.92-221-215.customer.lyse.net [92.221.215.80]) by smtp.infotech.no (Postfix) with ESMTPA id 0E056204154; Sun, 11 Nov 2018 17:35:07 +0100 (CET) Reply-To: dgilbert@interlog.com Subject: Re: remove exofs, the T10 OSD code and block/scsi bidi support V3 To: Christoph Hellwig , axboe@kernel.dk, martin.petersen@oracle.com, ooo@electrozaur.com Cc: Johannes Thumshirn , Benjamin Block , linux-scsi@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <20181111133211.13926-1-hch@lst.de> From: Douglas Gilbert Message-ID: <5c1952ce-988e-45be-db01-0cf7277be0f5@interlog.com> Date: Sun, 11 Nov 2018 17:35:07 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20181111133211.13926-1-hch@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-CA Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018-11-11 2:32 p.m., Christoph Hellwig wrote: > The only real user of the T10 OSD protocol, the pNFS object layout > driver never went to the point of having shipping products, and we > removed it 1.5 years ago. Exofs is just a simple example without > real life users. > > The code has been mostly unmaintained for years and is getting in the > way of block / SCSI changes, so I think it's finally time to drop it. > > Quote from Boaz: > > "As I said then. It is used in Universities for studies and experiments. > Every once in a while. I get an email with questions and reports. > > But yes feel free to remove the all thing!! > > I guess I can put it up on github. In a public tree. > > Just that I will need to forward port it myself, til now you guys > been doing this for me ;-)" > > Now the last time this caused a bit of a stir, but still no actual users, > not even for SG_IO passthrough commands. What?? Do any Linux distros track what commands are sent to any (or all) of the SG_IO passthroughs? I would hope that the last part of that sentence remains unprovable. Doug Gilbert "I've told you a million times, don't exaggerate!"