Re: Proposal: make RAID6 code optional

Michael Tokarev
2009-04-18T08:10:20Z

Prakash Punnoor wrote:
> Hi,
>
> as I am using only RAID5 I wonder why the RAID6 code also needs to be built.
> Here is a rough patch of making RAID6 optional (but depending on raid456)
> without reording of functions to minimize ifdef scattering.
> (I also haven't checked yet who needs ASYNC_MEMCPY and ASYNC_XOR...)
> It would probably be nicer to make RAID4/5 and RAID6 independently selectable
> of each other. But that requires more refactoring, as I can see.

Hm. In "old good days" there were 3 independent kernel modules,
named raid4, raid5 and raid6. Later on, they got merged into one
since they share quite alot of the code, and has only a few specific
parts. Now you're trying to separate them back somewhat....

What's your goal? What's the problem you're trying to solve?

/mjt