[dm-devel] dm: Make MIN_IOS, et al, tunable via sysctl.

[Mikulas Patocka]

On Tue, 20 Aug 2013, Mike Snitzer wrote:

> Mikulas' point is that you cannot reduce the size to smaller than 1.
> And aside from rq-based DM, 1 is sufficient to allow for forward
> progress even when memory is completely consumed.
> 
> A patch that simply changes them to 1 but makes the rq-based DM
> mempool's size configurable should actually be fine.

Yes, I think it would be viable.

Mikulas

> Mike