blktests failures with v5.19-rc1

[Bjorn Helgaas]

On Mon, Dec 19, 2022 at 11:27:03AM +0000, Shinichiro Kawasaki wrote:
> Bjorn, FYI. This lockdep warning disappeared with kernel version
> v6.1. I bisected and found the commit 2d7f9f8c1815 ("kernfs: Improve
> kernfs_drain() and always call on removal.") avoided the issue. This
> commit touches kernfs_drain() and __kernfs_remove(), and modifies
> the condition to lock kernfs_rwsem. I think it explains why the
> lockdep disappeared. No longer need to work on this issue :)

Thanks for following up on this!

Bjorn