[Pvfs2-developers] Re: d_revalidate

Rob Ross rross at mcs.anl.gov
Fri Dec 7 15:50:08 EST 2007


On Dec 7, 2007, at 1:57 PM, Sam Lang wrote:

>
> On Dec 7, 2007, at 1:54 PM, Murali Vilayannur wrote:
>>
>>> I'm confused now.  Why do we need a dentry cache timeout?
>> i.e. only if we wish to take advantage of the kernel provided dcache.
>> Right now, it is as if the timeout is 0, i..e hits in the dcache is
>> treated like a miss
>> for all practical purposes since we do a full blown revalidate.
>
> Agreed, but any timeout is going to have to be small, and we  
> already have our own dcache in place.  I would vote for leaving the  
> revalidate function as simple as possible.
> -sam

Me too. -- Rob


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