[dm-devel] dm-bufio cache patches

[Mikulas Patocka]

On Wed, 8 Oct 2014, Mikulas Patocka wrote:

> Hi
> 
> I created dm-bufio patchset that keep some amount of cache indefinitely, 
> regardless of the timeout (the default is to keep 1/500 of total memory 
> indefinitely).
> 
> I uploaded it here: 
> http://people.redhat.com/~mpatocka/patches/kernel/dm-bufio-cache/
> 
> Try it, if it helps, we can backport it.
> 
> If you think that we should use different default values (for example, 
> increase the max_age value), say it.

BTW. I have no idea if the default values are good or not - so it would be 
better if you come up with default values based on your benchmarks.

Mikulas