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SubjectRe: [PATCH] vfs: add d_prune dentry operation
On Mon, 10 Oct 2011, Christoph Hellwig wrote:
> On Mon, Oct 10, 2011 at 09:19:43AM -0700, Sage Weil wrote:
> > Let me know if the below is clearer. The requirement is that ->d_prune be
> > called prior to unhashing (and then destroying) a victim dentry. I'm a
> > little worried about mixing that in with the lru helpers because it is
> > only indirectly related to whether the dentry is on the LRU, and that may
> > confuse people. A cleaned up opencoded patch is here:
> >
> > https://github.com/NewDreamNetwork/ceph-client/commit/784a6aa6dc7baf2069c40988d79130dba17c7068
> >
> > and the updated dentry_lru_prune() wrapper version is below.
>
> Long term what I really want is a helper for doing more of the real
> removal in single place. This is one step towards it, and the series
> from Dave is another.

Ah, makes sense.

Dave, is the revised patch more clear?

sage



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