Messages in this thread | | | Date | Tue, 11 Sep 2018 16:51:50 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH 09/12] blkcg: remove additional reference to the css |
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On Tue, Sep 11, 2018 at 02:41:34PM -0400, Dennis Zhou wrote: > From: "Dennis Zhou (Facebook)" <dennisszhou@gmail.com> > > 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@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
-- tejun
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