Re: [PATCH 1/4] md: Factor out RAID6 algorithms into lib/

["H. Peter Anvin" <hpa@zytor.com>]

Ric Wheeler wrote:
>>
>> The main flaw, as I said, is in the phrase "as implemented by the
>> Jerasure library". He's comparing his own implementations of various
>> algorithms, not optimized implementations.
>>
>> The bottom line is pretty much this: the cost of changing the encoding
>> would appear to outweigh the benefit. I'm not trying to claim the Linux
>> RAID-6 implementation is optimal, but it is simple and appears to be
>> fast enough that the math isn't the bottleneck.
> 
> Cost? Thank about how to get free grad student hours testing out things 
> that you might or might not want to leverage on down the road :-)
> 

Anyway... I don't really care too much.  If someone wants to redesign 
the Linux RAID-6 and Neil decides to take it I'm not going to object. 
I'm also not very likely to do any work on it.

	-hpa