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> Thanks, Josef