Re: d_entry delete ( d_delete ) in d_cache.c on linux 2.6.15 andbeyond

[Trond Myklebust]

On Fri, 2006-06-02 at 15:41 -0400, Flavio wrote:
> Hello,
> 
> I notice that on versions 2.6.15 and later, the function
> 
>      void d_delete(struct dentry * dentry)
> 
> Implements a mechanism for notifying the deletion of the d_entry.
> 
> The implementation assumes that the d_entry has a non-null d_inode pointer
> and that seems to be terribly wrong. In other words, how can a
> "negative d_entry"
> be deleted?

d_drop()?

> Implementation of rename may use dummy dentries (that have d_inode
> set to NULL) and that is a problem as well.

d_drop()!

Cheers,
  Trond

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