Received: by 2002:ac0:8c9a:0:0:0:0:0 with SMTP id r26csp5317732ima; Tue, 5 Feb 2019 09:43:36 -0800 (PST) X-Google-Smtp-Source: AHgI3IaQVimf8VsdEG7zeFYw/llUee8L0VJ+4iBIH81SQh0FyoEZkWvtbYKeX4y0vWOehlxtspW1 X-Received: by 2002:a63:4c4e:: with SMTP id m14mr5602781pgl.173.1549388616622; Tue, 05 Feb 2019 09:43:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1549388616; cv=none; d=google.com; s=arc-20160816; b=H3Ue9vBirhNH2fL9pVtRvZXcPL3k4S8gyhon2Bexl5QziqfQfRDvYa29mY1Px6mzKb fc+SHP3X2G30ehwLch/CY0jx6By3WOwZzrWWrrJ0/B5jzKix+35twNdYKzih7I1q5+Gy OgY9ztehsXKOxVuhte27C2h2Im0GySxLiuvxs9mY+nAU6ftnTL4zCdq1NDJqiN1ilagS uC5zk4QGeBmhzCklDgH+gz8k5O/mzV9qry9WhoXmbszBSzKptbewmb4k9DDwc5C0vFJ2 y50FaAKChzVwMpz0LCBVGSEMk09QS71ncgt34vuBAixVj+jg+MY8sDABWfvJfaX4rwho 3h4g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=DAwYQL6rrnXwU/2kEAB87CfUc1Uykp0vIvi55qWppfE=; b=LpANHTga909+fhLqqipkiVZKpggfrQFqGjDJe4u9HG9h7VMLDJJMxaOYYVO5a9PBom SAL5QZkQDq+0j09Qnx4yk+4ilhdjPMd6ztS94INrSROADSDaJkFJzHqjVT42PzlGTac1 ZM9p0fPSo5FARxiY1q1pEQg38AOSFGVPcRPjlC+OukOGkyzk60a1X6ypDZ/TppOAgcdB fehfdXMMlsXxZTCUOUSvZVE5IMwACqqI6BIUWkokU1NWKHm99JR+7fMOqgskvHHi7A7Y JtYPovkzbc6YNtbpaMvrMcwifZsQf8Iqy8r6wsnl4PimafqKhUXVytnG/lM/v0B/wPE6 3LoQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id b14si3618800pfc.156.2019.02.05.09.43.21; Tue, 05 Feb 2019 09:43:36 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729742AbfBERQb (ORCPT + 99 others); Tue, 5 Feb 2019 12:16:31 -0500 Received: from verein.lst.de ([213.95.11.211]:55271 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726196AbfBERQa (ORCPT ); Tue, 5 Feb 2019 12:16:30 -0500 Received: by newverein.lst.de (Postfix, from userid 2407) id DE7CF68D93; Tue, 5 Feb 2019 18:16:28 +0100 (CET) Date: Tue, 5 Feb 2019 18:16:28 +0100 From: Christoph Hellwig To: Boaz Harrosh Cc: Christoph Hellwig , axboe@kernel.dk, martin.petersen@oracle.com, Johannes Thumshirn , Benjamin Block , linux-scsi@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: remove exofs, the T10 OSD code and block/scsi bidi support V4 Message-ID: <20190205171628.GA2129@lst.de> References: <20190201075557.9249-1-hch@lst.de> <3be11773-5ea9-4c08-25a5-dc556ded2d6f@electrozaur.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3be11773-5ea9-4c08-25a5-dc556ded2d6f@electrozaur.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 04, 2019 at 10:31:39PM +0200, Boaz Harrosh wrote: > On 01/02/19 09:55, 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, > > For the 4th time: Which ? Speeding up the I/O path for example. Making sense of SCSI command allocation for another. Having to deal with sense data handling for the duplicate scsi command allocation as a third.