Patch: Tune "dir" a bit

[Jeremy Allison]

On Fri, Mar 22, 2013 at 02:37:31PM +0100, Volker Lendecke wrote:
> Hi!
> 
> Attached find a patch that makes trans2_findfirst take 10%
> less user-space CPU. If someone has the time, can you try to
> verify this improvement and push?

Indeed this is a significant improvement - I'll push to
autobuild and get a bug logged for 4.0.x and 3.6.x to
get this change into production releases asap.

Jeremy.