[Sheepdog] [PACH, RFC] sheep: use atomic for the vnode_info refcount outside the main thread

[Christoph Hellwig]

On Tue, May 08, 2012 at 04:12:56PM +0800, Liu Yuan wrote:
> Yes, those atomic operation is completely inline function in the header,
> doesn't have any thing to do with the actual RCU stuff. I can submit a
> patch to only check the header existence for sheep deamon if you are
> fine with it, then we can move on without interfering each other.

Sounds like a good plan.  Thanks a lot!