On Fri, Jul 22, 2022 at 05:48:23PM +0000, Yosry Ahmed wrote:

cgroup_get_from_file() currently fails with -EBADF if called on cgroup
v1. However, the current implementation works on cgroup v1 as well, so
the restriction is unnecessary.

This enabled cgroup_get_from_fd() to work on cgroup v1, which would be
the only thing stopping bpf cgroup_iter from supporting cgroup v1.

Signed-off-by: Yosry Ahmed <redacted>

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

Thanks.

-- 
tejun