Re: Proposal: make RAID6 code optional

[Neil Brown]

On Sunday April 19, neilb@xxxxxxx wrote:
> 
> In 2.6.30, the Q syndrome code has been moved into a separate module,
> so raid456.ko should be quite a bit smaller.

Of course that doesn't really help as there will be a dependency
between raid456.ko and pq.ko so you cannot avoid having pq.ko loaded
while using raid5.

It might make sense to create a raid6 module that just contains 
The call to register_md_personality(raid6_personality) and some
linkage so that the code in raid456.ko can get to the code in pq.ko.

This is probably worth trying one the raid6 async offload stuff
stabilises.

NeilBrown
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