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=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=unavailable 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 8C325C282D8 for ; Fri, 1 Feb 2019 15:13:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5B71021872 for ; Fri, 1 Feb 2019 15:13:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="R5dRL8Zv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730415AbfBAPNc (ORCPT ); Fri, 1 Feb 2019 10:13:32 -0500 Received: from mail-it1-f175.google.com ([209.85.166.175]:54621 "EHLO mail-it1-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730369AbfBAPNa (ORCPT ); Fri, 1 Feb 2019 10:13:30 -0500 Received: by mail-it1-f175.google.com with SMTP id i145so9540691ita.4 for ; Fri, 01 Feb 2019 07:13:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=sMVRe9ECrDEwoXq1aNNCEVoSPMAo0pw3pONdc5E1Hz0=; b=R5dRL8ZvKAAPzWUYMN2VlmyJjd0uceXmcy6f9VVSiUV3DRj+AY43sgcWLXk/GA7FKL uRXp6ZmTpj0VxGukz8uJOjajHRDJLXazWyqHaA27YfpMcoZWtoyH2HUiIHcImXj5bRvo AWbcrE8M1qXjeGEj9fx/f4fyL8Gh/B4Dm2mrVFabIxCwtl3Uosoiwl1e/vrHCVTdNRQu 6yqJPH+2uH1aVMIG/eeizBaFIvufEugQaMXI8bkvY9WC+iPEm1AoxJHnEUnIn4/WXh9l g7SzZeAssVjGBDTUJN1uuTRyWscJpIX+TKKn2+3uy1uUCKM/5fGIXu0Yz3WNkUsmtYO5 FmtA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=sMVRe9ECrDEwoXq1aNNCEVoSPMAo0pw3pONdc5E1Hz0=; b=HtZR9iBJzwHa8feDPnpgL0u9OfohXi38JP5UCU2mAUQ6cWktYmvIbeQe3Q+uxyMdsv qSzHl55c730Y03lDPxtVNE6Mna3OoiufSB7aByKikWoefIP32OdpiTx7NAnWfLUhMqaq 7LDXk3SmOvTxJY1V+vfw4VD+22n13VlmXr7TigYK7CJRpBLhrIN95kgeOasuMraJ+pY4 Kbw8PrEfX5TwrW/VudOf6FITJj9mqT5aVDsL1MjO/S/GirD2r00bLJUrEyCrdIyhy3EN TnFXKkKQ1vn7GXBz+FI/HV7jU0ksXtASMh2lHf1p4sE4OZ6+lXHDEuZhR2NahEpj7ldh l/AA== X-Gm-Message-State: AHQUAua/9pGpiJiok4BKnh5x2+zyK9/ImL13mK4SrQxDkCYnB/KQ2jQa vWgPB0cQ+XZ6cMnRD/FmDz8fPObuGGo= X-Google-Smtp-Source: AHgI3IaksbDpwB0mZuz3LmWq/g4P0EgQT8rxnP5EIdVp4ewaOCoBzLHC8SwXTdalbfh/ORkDx3byqQ== X-Received: by 2002:a24:3a0d:: with SMTP id m13mr1546086itm.74.1549034008609; Fri, 01 Feb 2019 07:13:28 -0800 (PST) Received: from [192.168.1.158] ([216.160.245.98]) by smtp.gmail.com with ESMTPSA id h14sm3286076ior.41.2019.02.01.07.13.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 Feb 2019 07:13:27 -0800 (PST) Subject: Re: remove exofs, the T10 OSD code and block/scsi bidi support V4 To: Christoph Hellwig , 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: <20190201075557.9249-1-hch@lst.de> From: Jens Axboe Message-ID: <2dbeeae6-6c0d-0702-acf4-73226ccf64c4@kernel.dk> Date: Fri, 1 Feb 2019 08:13:26 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <20190201075557.9249-1-hch@lst.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/1/19 12:55 AM, 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, and does not even work properly currently, > 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. So here we go again, this time > including removing everything in the scsi and block layer supporting it, > and thus shrinking struct request. I'm fine with killing it. You can add my: Reviewed-by: Jens Axboe to the series. -- Jens Axboe