[sheepdog] [PATCH RFC] use queue_request when resume waiting requests

[Christoph Hellwig]

On Wed, May 30, 2012 at 11:49:50AM +0800, levin li wrote:
> From: levin li <xingke.lwp at taobao.com>
> 
> When a waiting requests due to epoch inconsistency or object in recovery
> is resumed, we should check it again to determine whether the current
> condition can fulfill its need to make it run, so we call queue_request
> to reinitialize and check the request again.

Can you rebase this on top of the devel branch where the request_queue
has been removed?