Re: [PATCH 02/11] libata-eh: implement ata_ering

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Tejun Heo wrote:
> Alan Cox wrote:
>> On Sad, 2006-05-13 at 21:32 -0400, Jeff Garzik wrote:
>>> I would just declare that all erings have 32 entries, and revisit the 
>>> issue if/when pain appears.  Hardcode 32, and make things easy.
>> Do we even need the ering. If you classify the error when it occurs it
>> seems all you need is a couple of 32bit words and to set bits and
>> shift ?
>>
> 
> Hmmm.. yeah, that sounds good.  Jeff, what do you think?
> 

I was too quick to response.  ering keeps track of timestamps of each
error and the criteria for speeding down is something like "3 class 1
errors during last 15mins", so bitmaps doesn't cut it.

-- 
tejun
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