[PATCH 2/8] cgroup: kill CSS_REMOVED

Tejun Heo tj at kernel.org
Wed Oct 31 17:25:22 UTC 2012


On Wed, Oct 31, 2012 at 09:19:51PM +0400, Glauber Costa wrote:
> I don't see post_create failing as a huge problem. The natural
> synchronization point would be "right after post_create" - then you can
> definitely tell that it is online. Although this can be viewed a bit as
> "exposing internals", creating is different then destroying: When you
> create, you may not have all data yet. When destroying, you do - and
> want to get rid of it. So this kind of bootstrapping is pretty standard
> and common.

More proper names for these callbacks would be,


And I may rename them.  I don't wanna make ->online() failable.  Why
can't you just allocate everything from ->allocate() and use it from



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