Re: [PATCH 13/15] blkcg: change blkg reference counting to use percpu_ref

[Josef Bacik]

On Thu, Aug 30, 2018 at 09:53:54PM -0400, Dennis Zhou wrote:
> From: "Dennis Zhou (Facebook)" <dennisszhou@xxxxxxxxx>
> 
> Now that every bio is associated with a blkg, this puts the use of
> blkg_get, blkg_try_get, and blkg_put on the hot path. This switches over
> the refcnt in blkg to use percpu_ref.
> 
> Signed-off-by: Dennis Zhou <dennisszhou@xxxxxxxxx>

Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx>

Thanks,

Josef