From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: [PATCH] remove ide-scsi Date: Sat, 6 Dec 2008 16:59:01 +0100 Message-ID: <200812061659.02200.bzolnier@gmail.com> References: <20081203103856S.fujita.tomonori@lab.ntt.co.jp> <200812061551.08525.bzolnier@gmail.com> <150283e90812060725x482d8428kfc7e41f8bc509e12@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from mu-out-0910.google.com ([209.85.134.185]:60984 "EHLO mu-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751211AbYLFQbU (ORCPT ); Sat, 6 Dec 2008 11:31:20 -0500 Received: by mu-out-0910.google.com with SMTP id g7so425971muf.1 for ; Sat, 06 Dec 2008 08:31:18 -0800 (PST) In-Reply-To: <150283e90812060725x482d8428kfc7e41f8bc509e12@mail.gmail.com> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Willem Riede Cc: James Bottomley , Christoph Hellwig , FUJITA Tomonori , linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org On Saturday 06 December 2008, Willem Riede wrote: > On Sat, Dec 6, 2008 at 7:51 AM, Bartlomiej Zolnierkiewicz > wrote: > > On Wednesday 03 December 2008, James Bottomley wrote: > >> On Wed, 2008-12-03 at 05:06 -0500, Christoph Hellwig wrote: > >> > On Wed, Dec 03, 2008 at 10:38:54AM +0900, FUJITA Tomonori wrote: > >> > > This is for 2.6.29 (not 2.6.28) as feature-removal-schedule.txt says. > >> > > > >> > > It's against linux-next (which seems to has some changes to ide-scsi > >> > > for 2.6.29 from the ide tree). > >> > > >> > Isn't ide-scsi the only way to use ATAPI OnStream tapes supported by > >> > the osst driver? > >> > >> Depends. If you're still using drivers/ide then yes, it is. With > >> libata (which is what most modern distros use), osst just works as an > >> ATAPI transport. > >> > >> git log tells me ide-scsi has been updated quite a bit recently, but it > >> mostly looks to be fallout around the drivers/ide churn. Can we get ide > >> maintainer's buy in for this (I think they've been maintaining ide-tape > >> and ide-cd in preference to ide-scsi)? > > > > Certainly, native ide-{cd,gd,tape} drivers are far superior over ide-scsi > > and are actively maintained. > > > > ide-scsi has been practically a dead code for a long time now (IIRC it has > > even been broken -- by some general kernel changes -- for few releases and > > nobody noticed, till Boaz discovered it while doing unrelated SCSI fixes) > > but I kept it on the live support anyway. However there needs to be some > > limit to it, especially given that driver has been officially orphaned for > > over a year now and nobody stepped in... > > > > I applied the scheduled removal patch to pata-2.6 tree, thanks Tomo! > > > > Thanks, > > Bart > > > > PS If somebody wants to work on OSST support for IDE we can provide an > > assistance into porting osst.c over generic ATAPI code -- it would still > > be much less hassle than trying to figure out remaining ide-scsi issues > > (lifetime rules for IDE / SCSI / IDE-SCSI objects, error handling etc.). > > > Don't know exactly what you mean with "porting osst.c over generic ATAPI code", > but osst is SCSI by design - a SCSI version of the drive exists. > Making osst ATAPI I mean porting it over generic IDE ATAPI code (ide-atapi.c) in case somebody wants to use it with drivers/ide instead of libata. > is therefore not appropriate. If osst works with libata as earlier suggested, > then that would be the best solution. It should work fine I just doubt that anybody has ever tested it because of lack of osst users in general. > Unfortunately, my IDE test drive died, OnStream went out of business some time > ago, so I can't get a new one, hence I (osst maintainer) can't test this :-( :-( indeed. Thanks, Bart