Re: hugetlb locking bug.

[Peter Zijlstra]

On Fri, 2011-04-15 at 17:13 -0400, Christoph Hellwig wrote:
> On Fri, Apr 15, 2011 at 11:09:26PM +0200, Peter Zijlstra wrote:
> > Is there a sane reason they do their own magic, and thus need a copy of
> > the logic, instead of using the generic code that already has it?
> 
> There is not need to use the inode hash for purely in-memory
> filesystem.  The dcache tells us if an entry already exists,
> so there is no need to a lru list, hash or other overhead.

OK makes sense, should we then make some common code to share between
these in-memory filesystems so as to limit the number of copies of this
logic?

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