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Message-ID: <58cb370e0502210725520eee3@mail.gmail.com>
Date: Mon, 21 Feb 2005 16:25:32 +0100
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Reply-To: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: ide-scsi is deprecated for cd burning! Use ide-cd and give dev=/dev/hdX as device
Cc: "Kiniger, Karl (GE Healthcare)" <karl.kiniger@med.ge.com>,
       Bill Davidsen <davidsen@tmr.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Hi,

On Mon, 21 Feb 2005 15:00:28 +0000, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> On Gwe, 2005-02-18 at 10:31, Kiniger, Karl (GE Healthcare) wrote:
> > Not entirely true (at least for me). I actually tried to read the
> > last iso9660 data sector with a small C program (reading 2 kb) and
> > it failed to read the sector. Using ide-scsi I was able to read it.....
> 
> Thats the bug that should now be fixed by the ide changes I did so that
> ide-cd has the knowledge ide-scsi has for partial completions of I/O

I haven't looked closely but I've noticed that these fixes are accessing rq->bio
directly which is a layering violation.  Could you de-bio and submit them?
[ AFAIR they are already splitted out in RHEL4 ]

Speaking about ide-scsi, it will be undeprecated after I fix the locking.
Rationale is that ide-scsi is _much_ simpler than ide-{cd,tape}.
[ although it doesn't support all the hardware that ide-{cd,tape} do ]

Bartlomiej
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