Re: [PATCH 00/15] blkcg ref count refactor/cleanup + blkcg avg_lat

Tejun Heo
2018-09-01T00:35:10Z

Hello,

On Thu, Aug 30, 2018 at 09:53:41PM -0400, Dennis Zhou wrote:
> This is a fairly lengthy patchset that aims to cleanup reference
> counting for blkcgs and blkgs. There are 4 problems that this patchset
> tries to address:
> 1. fix blkcg destruction
> 2. always associate a bio with a blkg
> 3. remove the extra css ref held by bios and utilize the blkg ref
> 4. add average latency tracking to blkcg core in io.stat.

1 is already merged. Reviewed 2, 3 parts. Generally looks great.
Let's try to address the found issues and get these two parts merged
first.

Thanks.

--
tejun