Commits
Tejun Heo committed f17fc25f2b4
cgroup: make css_tryget_online_from_dir() also recognize cgroup2 fs The function currently returns -EBADF for a directory on the default hierarchy. Make it also recognize cgroup2_fs_type. This will be used for perf_event cgroup2 support. Signed-off-by: Tejun Heo <tj@kernel.org>