On Wed, 12 Jun 2024, Mike Snitzer wrote: > From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> > > Some filesystem writeback routines can end up taking up a lot of stack > space (particularly xfs). Instead of risking running over due to the > extra overhead from the NFS stack, we should just call these routines > from a workqueue job. > Do we really need this today? Kernel stack is a lot bigger than it once was. If we do need it, do we need a dedicated workqueue? Why not just use system_unbound_wq ?? NeilBrown