Re: [PATCH 10/15] blkcg: remove bio->bi_css and instead use bio->bi_blkg

From: Josef Bacik
Date: Fri Aug 31 2018 - 11:46:26 EST

On Thu, Aug 30, 2018 at 09:53:51PM -0400, Dennis Zhou wrote:
> From: "Dennis Zhou (Facebook)" <dennisszhou@xxxxxxxxx>
> Prior patches ensured that all bios are now associated with some blkg.
> This now makes bio->bi_css unnecessary as blkg maintains a reference to
> the blkcg already.
> This patch removes the field bi_css and transfers corresponding uses to
> access via bi_blkg.
> Signed-off-by: Dennis Zhou <dennisszhou@xxxxxxxxx>

Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx>