tree 6e3bf5fd2e0f0ad161f11a4dece33132f0486566
parent c9ca600cb5c0980438df0ed687ba864fb0045c31
author Tejun Heo <tj@kernel.org> 1661662392 -1000
committer Tejun Heo <tj@kernel.org> 1661662392 -1000

cgroup: Implement cgroup_file_show()

Add cgroup_file_show() which allows toggling visibility of a cgroup file
using the new kernfs_show(). This will be used to hide psi interface files
on cgroups where it's disabled.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Chengming Zhou <zhouchengming@bytedance.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>