[sheepdog] [PATCH 0/3] introduce a thread safe mechanism for register/unregister event

[Liu Yuan]

On Mon, Jan 13, 2014 at 05:40:36PM +0900, Hitoshi Mitake wrote:
> The commit 6601e90cf2c5 (sheep: allow {register,unregister}_event to be  called
> in worker thread) introduced dangerous change of
> {register,unregister}_event(). The changed functions are halfway thread safe. It
> will be bug prone stuff and shoud be fixed in a correct manner. This patch adds
> real thread safe version functions for registering and unregistering events.

No, as we previously discussed, we need a high performance register/unregister
mechanism for worker threads. Currently, exec_local_req_async is only user of it
and current code serve it well.

Queuing reg/unreg in the main thread is too slow.

Thanks
Yuan