On Sun, 24 Sep 2023, Christian Brauner wrote: > > My initial goal was to implement multigrain timestamps on most major > > filesystems, so we could present them to userland, and use them for > > NFSv3, etc. > > If there's no clear users and workloads depending on this other than for > the sake of NFS then we shouldn't expose this to userspace. We've tried > this and I'm not convinced we're getting anything other than regressions > out of it. Keep it internal and confined to the filesystem that actually > needs this. > Some NFS servers run in userspace, and they would a "clear user" of this functionality. NeilBrown