Hello, Mike.

On Thu, Mar 15, 2018 at 03:49:01AM +0100, Mike Galbraith wrote:

Under the hood v2 details are entirely up to you.  My input ends at
please don't leave dynamic partitioning standing at the dock when v2
sails.

So, this isn't about implementation details but about what the
interface achieves - ie, what's the actual function?  The only thing I
can see is blocking the entity which is configuring the hierarchy from
making certain configs.  While that might be useful in some specific
use cases, it seems to miss the bar for becoming its own kernel
feature.  After all, nothing prevents the same entity from clearing
the exlusive bit and making the said changes.

Thanks.

-- 
tejun
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