[CentOS] Slow RAID Check/high %iowait during check after updgrade from CentOS 6.5 -> CentOS 7.2

Tue Jun 14 03:43:25 UTC 2016
Gordon Messmer <gordon.messmer at gmail.com>

On 06/13/2016 04:57 PM, cpolish at surewest.net wrote:
> you might want to try the very most recent
> kernel in git to see if your problem is fixed.

Is there a specific change that is of interest?