On Thu, Aug 31, 2023 at 09:29:14AM -0400, Jeff Layton wrote:
> Nice. Long overdue. This also might explain why ceph was once this way
> before we changed it here:
>
> 470a5c77eac0 ceph: use kill_anon_super helper
Yes, that looks like the same workaround for bdi lifetimes.