On Tue, Sep 25, 2012 at 04:04:46PM -0400, Chris Mason wrote:
> On Mon, Aug 20, 2012 at 02:29:17PM -0600, Mark Fasheh wrote:
> >
> > Testing wise, the basic namespace operations work well (link, unlink, etc).
> > The rest has gotten less debugging (and I really don't have a great way of
> > testing the code in tree-log.c) Attached to this e-mail are btrfs-progs
> > patches which make testing of the changes possible.
>
> Hi Mark,
>
> I hit a few problems testing this, so I have the patch below that I plan
> on folding into your commits (to keep bisect from crashing in tree log).
>
> Just let me know if this is a problem, or if you see any bugs in there.
> I'm still doing a last round of checks on it, but I wanted to send along
> early for comments.
>
> The biggest change in here is to always check the ref_objectid when
> returning a backref. Hash collisions mean we may return a ref for a
> completely different parent id otherwise. I think I caught all the
> places missing that logic, but please double check me.
Ahh yes of course. I missed that in a couple key areas. Thanks for fixing
it.
> Other than that I went through and fixed up bugs in
> tree-log.c. __add_inode_ref had a bunch of cut and paste errors, and you
> carefully preserved a huge use-after-free bug in the original
> add_inode_ref.
Cool, everything in there looks good to me. Thanks again Chris!
--Mark
--
Mark Fasheh
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