[PATCH 0 of 5 filtering part 2 V2] Version 2

[Siddharth Agarwal]

On 12/10/2012 09:30 AM, pierre-yves.david at logilab.fr wrote:
> This is a resent of the previous series after Siddharth Agarwal review. This
> mostly apply comment fix and changes the last changeset for a much simpler
> version.

I've looked through the patches from a performance point of view, and 
nothing really jumps out. I do have some concerns wrt cache invalidation 
being too aggressive (mentioned to marmoute), but it hopefully won't 
regress performance when the obsolete store is off.