Re: 2.6.25-rc1/2 CD/DVD burning broken

From: Borislav Petkov
Date: Tue Feb 26 2008 - 12:39:48 EST


On Tue, Feb 26, 2008 at 03:52:13PM +0100, Andreas Schwab wrote:
> Borislav Petkov <petkovbb@xxxxxxxxxxxxxx> writes:
>
> > On Mon, Feb 25, 2008 at 11:08:55PM +0100, Andreas Schwab wrote:
> >> Borislav Petkov <petkovbb@xxxxxxxxxxxxxx> writes:
> >>
> >> > On Mon, Feb 25, 2008 at 08:38:22PM +0100, Andreas Schwab wrote:
> >> >> "Kiyoshi Ueda" <k-ueda@xxxxxxxxxxxxx> writes:
> >> >>
> >> >> > I'm looking at this problem, but currently no idea why the conversion
> >> >> > to blk_end_request causes it.
> >> >>
> >> >> cdrom_newpc_intr apparently never sets rq->sense_len.
> >> >>
> >> >
> >> > actually it does, see the code chunk around line 1188 in 2.6.25-rc2, for
> >> > example.
> >>
> >> Yes, it does, but it always adds zero.
> >
> > yep, true. Does that fix your dvd burning problem?
>
> Yes, sure.
>
> Andreas.

Bart,

please apply the enclosed patch since it fixes dvd burning with growisofs on
Pioneer drives as reported by Andreas.

Thanks.

---
From: Andreas Schwab <schwab@xxxxxxx>

Move counting of sense bytes into the transfer loop.

Signed-off-by: Andreas Schwab <schwab@xxxxxxx>
Acked-by: Borislav Petkov <petkovbb@xxxxxxxxx>

---
drivers/ide/ide-cd.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

--- linux-2.6.25-rc3.orig/drivers/ide/ide-cd.c 2008-02-25 01:03:31.000000000 +0100
+++ linux-2.6.25-rc3/drivers/ide/ide-cd.c 2008-02-25 22:54:42.000000000 +0100
@@ -1182,11 +1182,10 @@ static ide_startstop_t cdrom_newpc_intr(
else
rq->data += blen;
}
+ if (!write && blk_sense_request(rq))
+ rq->sense_len += blen;
}

- if (write && blk_sense_request(rq))
- rq->sense_len += thislen;
-
/*
* pad, if necessary
*/

--
Regards/Gruß,
Boris.
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