Tejun Heo e90cbebc3f cgroup add cftype->open/release() callbacks ...

Pipe the newly added kernfs->open/release() callbacks through cftype.
While at it, as cleanup operations now can be performed from
->release() instead of ->seq_stop(), make the latter optional.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Acked-by: Zefan Li <lizefan@huawei.com>

2016-12-27 14:49:03 -05:00

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