[7885] in linux-scsi channel archive
Re: Devices not supporting read-6....
daemon@ATHENA.MIT.EDU (Jens Axboe)
Sat Jan 22 10:31:46 2000
Date: Fri, 21 Jan 2000 15:21:34 +0100
From: Jens Axboe <axboe@suse.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Rogier Wolff <R.E.Wolff@BitWizard.nl>,
linux-kernel@vger.rutgers.edu, linux-scsi@vger.rutgers.edu,
phoenix@thesindicate.com
Message-ID: <20000121152134.U669@suse.de>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
In-Reply-To: <E12BSH9-0001Ip-00@the-village.bc.nu>; from alan@lxorguk.ukuu.org.uk on Fri, Jan 21, 2000 at 12:50:06AM +0000
On Fri, Jan 21 2000, Alan Cox wrote:
> > {"TOSHIBA","DVD-RAM SD-W1101","*", BLIST_GHOST},
> >
> > which doesn't implement it.
> >
> > What do we do?
> >
> > - Blacklist it as "doesn't support read-6" and implement
> > stuff to prevent read-6 if that flag is set?
>
> Is this ide-scsi. ATAPI does not require legacy command modes. If its atapi
> maybe ide-scsi isnt mapping right. If its real scsi then ask Toshiba for
> scsi firmware. Thats just too fundamentally screwy to bother with
Not quite that screwy, 6 byte read/writes are not mandatory with
optical devices, but the 10 byte variants are. So using read-6/write-6
is a mistake in the first case.
--
* Jens Axboe <axboe@suse.de>
* Linux CD-ROM Maintainer
* http://www.kernel.dk
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