[Sheepdog] [RFC PATCH] implement writeback cache semantics

[Liu Yuan]

On 11/16/2011 06:06 AM, Christoph Hellwig wrote:

> This is the skeleton of a writeback cache implementation.  The biggest
> missing item is that cache flush requestsn't aren't forwarded to other
> nodes yet.  Also currently it is enabled unconditional instead of through
> a flag.
> 


Any numbers to prove the idea and roughly show how much perf we will
benefit from it?

Thanks,
Yuan