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Date: Tue, 9 Jul 2002 15:13:21 +0200 (MET DST)
From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: Jens Axboe <axboe@suse.de>
cc: Anton Altaparmakov <aia21@cantab.net>,
       Linux Kernel <linux-kernel@vger.kernel.org>,
       <linux-ide@vger.kernel.org>
Subject: Re: [PATCH] 2.4 IDE core for 2.5
In-Reply-To: <20020709125656.GC1940@suse.de>
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On Tue, 9 Jul 2002, Jens Axboe wrote:

> On Tue, Jul 09 2002, Bartlomiej Zolnierkiewicz wrote:
> >
> > On Tue, 9 Jul 2002, Anton Altaparmakov wrote:
> >
> > > On Tue, 9 Jul 2002, Jens Axboe wrote:
> > > > I've forward ported the 2.4 IDE core (well 2.4.19-pre10-ac2 to be exact)
> > > > to 2.5.25. It consists of 7 separate patches:
> > >
> > > Fantastic! Seeing that the patches are bitkeeper generated, would it be
> > > possible for you to make a repository available with the patches? (on
> > > bkbits perhaps?) Would make it a lot easier for us bitkeeper users just to
> > > pull from your repository... Especially once you update the patches...
> >
> > Okay, tired of fantastic ;-)
> > This forward port has still broken PIO transfer on errors and really
> > borken multi PIO writes, all due to buffer_head -> bio transition in 2.5.
>
> As I wrote in the initial posting, yes multi pio is broken _for multi
> page bio's_. Where does 2.5 break pio transfers on error? If you are
> talking about a 2.4 code base error, then I don't care, you need to tell
> someone else :-)

PIO on error is broken _for multi page bio's_ .

> > Jens, you would better spend your time on enhancing block layer to
> > allow me fixing them cleanly...
>
> I'll fix the bio support issue for pio multi write, it's in the next
> version.

Okay, will see... :)

--
Bartlomiej

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