On Tue, Sep 11, 2018 at 02:41:34PM -0400, Dennis Zhou wrote: > From: "Dennis Zhou (Facebook)" <dennisszhou@xxxxxxxxx> > > The previous patch in this series removed carrying around a pointer to > the css in blkg. However, the blkg association logic still relied on > taking a reference on the css to ensure we wouldn't fail in getting a > reference for the blkg. > > Here the implicit dependency on the css is removed. The association > continues to rely on the tryget logic walking up the blkg tree. This > streamlines the three ways that association can happen: normal, swap, > and writeback. > > Signed-off-by: Dennis Zhou <dennisszhou@xxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun
