[snip]
> Yes. The controller should stay in memory until userspace decides that
> control of the resource is no longer desired. Though not all controllers
> should be removable since that may impose unreasonable restrictions on
> what useful/performant controllers can be implemented.
>
> That doesn't mean that the controller couldn't reclaim memory it uses
> when it's no longer needed.
>
I've already answered Paul Menage about this. Shortly:
... I agree that some users may want to create some
kind of "persistent" beancounters, but this must not be
the only way to control them...
... I think that we may have something [like this] - a flag
BC_PERSISTENT to keep beancounters with zero refcounter in
memory to reuse them...
... I have nothing against using configfs as additional,
optional interface, but I do object using it as the only
window inside BC world...
Please, refer to my full reply for comments.
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