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

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Ric Wheeler wrote:

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 :-)


Cost, yes, of changing an on-disk format.

	-hpa

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