Re: why no option for 'ide=nocddma'?

[Bartlomiej Zolnierkiewicz]

On 3/26/06, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
> On Gwe, 2006-03-24 at 13:43 -0500, Jack Howarth wrote:
> > release unless users pass the 'ide=nodma' kernel option. If
> > the problem with CDs using dma isn't going to be fully resolved,
> > why can't we have a 'ide=nocddma' kernel option that would only
>
> It is nothing to do with DMA. See the postings in 2004 on the subject.
> EOF handling in the block layer and IDE layer don't work for the case
> where the size of a block device is not precisely defined
>
> None fo the current block layer maintainers care about fixing it and
> nobody else has submitted changes. Feel free to do that.
>
> Fortunately the drivers/ide layer will hopefully be going away soon

EOF handling error has nothing to do with IDE layer,
the same problem can be reproduced using libata+PATA patches.

Bartlomiej
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