cgroup: implement cgroup_get_from_path() and expose cgroup_put()

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Implement cgroup_get_from_path() using kernfs_walk_and_get() which
obtains a default hierarchy cgroup from its path.  This will be used
to allow cgroup path based matching from outside cgroup proper -
e.g. networking and perf.

v2: Add EXPORT_SYMBOL_GPL(cgroup_get_from_path).

Signed-off-by: Tejun Heo <tj@kernel.org>

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Tejun Heo 2015-11-20 15:55:52 -05:00

parent bd96f76a24

commit 16af439645

2 changed files with 41 additions and 5 deletions

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7

include/linux/cgroup.h

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