On Tue, Aug 23, 2022 at 01:58:44PM +0000, Chuck Lever III wrote: > > > > On Aug 23, 2022, at 4:09 AM, Leon Romanovsky <leon@xxxxxxxxxx> wrote: > > > > On Mon, Aug 22, 2022 at 11:30:20AM -0400, Chuck Lever wrote: <...> > >> The xprtiod work queue is WQ_MEM_RECLAIM, so any work queue that > >> one of its work items tries to cancel has to be WQ_MEM_RECLAIM to > >> prevent a priority inversion. > > > > But why do you have WQ_MEM_RECLAIM in xprtiod? > > Because RPC is under a filesystem (NFS). Therefore it has to handle > writeback demanded by direct reclaim. All of the storage ULPs have > this constraint, in fact. I don't know, this ib_addr workqueue is used when connection is created. Jason, what do you think? Thanks
