On Wed, Jan 15, 2020 at 04:36:14PM +0100, Christoph Hellwig wrote: > synchronous and currently hack that up, so a version of the percpu_ref > that actually waits for the other references to away like we hacked > up various places seems to exactly suit your requirements. Ah, yes, sounds like a similar goal, many cases I'm thinking about also hack up a kref to trigger a completion to make it synchronous. Jason
