Re: [PATCH] vfs: add d_prune dentry operation

[Christoph Hellwig]

On Mon, Oct 10, 2011 at 04:11:41PM +1100, Dave Chinner wrote:
> The code in the patch doesn't explain to me why you'd need to call
> dentry_lru_prune() rather than dentry_lru_del()? It's something to
> do with the difference between active and inactive LRU removal, but

Whenever we actually remove a object it needs to be removed, if it
only gets deleted from the LRU because it now has a reference and
doesn't belong onto the LRU it doesn't.

But yes, this really should be documented better in the code.

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