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Date: Fri, 02 Aug 2002 11:11:45 +0200
From: Marcin Dalecki <dalecki@evision.ag>
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To: Alexander Viro <viro@math.psu.edu>
CC: Petr Vandrovec <VANDROVE@vc.cvut.cz>, martin@dalecki.de,
       linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: IDE from current bk tree, UDMA and two channels...
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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.