[7377] in linux-scsi channel archive
Re: [PATCH] command translation for ide-scsi cdrom (pls test)
daemon@ATHENA.MIT.EDU (Jens Axboe)
Tue Oct 19 16:08:32 1999
Date: Tue, 19 Oct 1999 22:01:21 +0200
From: Jens Axboe <axboe@image.dk>
To: Daniel R Risacher <magnus@alum.mit.edu>
Cc: linux-kernel@vger.rutgers.edu, linux-scsi@vger.rutgers.edu,
gadio@netvision.net.il
Message-ID: <19991019220120.D984@image.dk>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
In-Reply-To: <199910191612.LAA29131@risacher>
On Tue, Oct 19 1999, Daniel R Risacher wrote:
> Summary:
>
> Many audio-cdrom-playing programs don't work correctly with ATAPI
> CDROM drives under ide-scsi translation, because ATAPI doesn't support
> the PLAYAUDIO_TI command. The ide-cd driver handles this by
> transforming CDROMPLAYTRKIND ioctls into something that the ATAPI
> drive will understand, but this mechanism is bypassed when using
> ide-scsi translation.
>
> Hopefully this will make life much easier for those of us who use
> ide-scsi for CDROM drives. The patch was made against 2.2.12,
> although since it's a new feature, it probably should have been
> against 2.3.xx. (sorry)
The patch is not needed in 2.3.x, since CDROMPLAYTRKIND is
emulated for both SCSI and ATAPI drives now. I suppose it
might still be useful is somebody sent the commands through
sg (or directly through one of the other channels), but
that is just to obscure to guard against.
--
* Jens Axboe <axboe@image.dk>
* Linux CD-ROM Maintainer
* http://www.kernel.dk
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