On Mon, Feb 04, 2019 at 04:26:38PM -0800, Darrick J. Wong wrote: > I decided to leave the unlinked counter so that we could have a > debugging check. I will make it more explicit that anyone accessing the > counter needs to hold the AGI buffer lock or otherwise assured that > there aren't any other threads. Don'we already have a debug check by the fact that the rhashtable destroy function throws an assert if it finds anything?