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authorTejun Heo <tj@kernel.org>2015-11-20 15:55:52 -0500
committerTejun Heo <tj@kernel.org>2015-11-20 15:55:52 -0500
commit16af439645455fbf36984ca5e72f31073ee19ab7 (patch)
treec63b8ea7f219c1c9c2d0508ceb5f8abc78f231a4 /fs/ext4/super.c
parentkernfs: implement kernfs_walk_and_get() (diff)
downloadlinux-dev-16af439645455fbf36984ca5e72f31073ee19ab7.tar.xz
linux-dev-16af439645455fbf36984ca5e72f31073ee19ab7.zip
cgroup: implement cgroup_get_from_path() and expose cgroup_put()
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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