[sheepdog] [PATCH] sheep: let outstanding IO req doesn't block confchg event

[Christoph Hellwig]

On Fri, May 18, 2012 at 07:10:51PM +0800, Liu Yuan wrote:
> Dropped for now, tests show that we need more work to allow concurrent
> access to the same object both by gateway requests and recovery requests.

We already update the epoch and node list from the maseter thread while
I/O is still in progress, so we'll need to fix this quickly.

Do you already have a plan of attack for fixing this?