Re: [patch] btrfs: fix inode rbtree corruption

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On Wed, Aug 19, 2009 at 10:46:59AM +0200, Jens Axboe wrote:
> On Wed, Aug 19 2009, Nick Piggin wrote:
> > See my other reply. It *can* work with key aliases, but this particular
> > code does not.
> > 
> > It is pretty easy obviously to put in duplicates because the rbtree
> > code doesn't know about keys, but if we do this then it looks like
> > it might cause the search code to miss some valid inodes and instead
> > return freeing inodes -- so you'd also have to look at that and update
> > it which is why I didn't go down this route..
> 
> Mine was just a generic statement, I didn't read the btrfs code (hence
> my comment about potential lookup bug, if you allow aliases you have to
> be careful).

Ah ok. Well yeah in this case btrfs is definitely wrong in the way it
tried to insert aliases.

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