On Mon, Nov 16, 2020 at 03:03:15PM -0500, Jeff Layton wrote: > Another idea might be to add a new fetch_iversion export operation that > returns a u64. Roll two generic functions -- one to handle the > xfs/ext4/btrfs case and another for the NFS/AFS/Ceph case (where we just > fetch it raw). When the op is a NULL pointer, treat it like the > !IS_I_VERSION case today. OK, a rough attempt follows, mostly untested.--b.
