Re: IDE from current bk tree, UDMA and two channels...

Marcin Dalecki (dalecki@evision.ag)
Fri, 02 Aug 2002 11:11:45 +0200


Uz.ytkownik Alexander Viro napisa?:
>
> On Fri, 2 Aug 2002, Petr Vandrovec wrote:
>
>
>>>Uh-oh...
>>>
>>>Let me see if I got it straight:
>>>
>>>a) your disk doesn't work with half-Kb requests
>>>b) you have a partition with odd number of sectors
>>>c) hardsect_size is set to half-Kb
>>>d) old code worked since it rounded size to multiple of kilobyte.
>>>
>>>Correct?
>>
>>Yes, exactly. Replacing disk is not an option...
>
>
> OK. At the very least we need a way for driver to tell what the sector
> size is. And that can be a problem - AFAICS IDE shares the queue for
> master and slave and sector size is queue property.

Wrong. It is sharing the queue lock not the queue itself.

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