On Wed, Jan 05, 2022 at 03:05:17PM +0000, Ondrej Valousek wrote: > Sorry for confusion and maybe dumb questions: > - The aim is to transfer these attributes via RFC8276 (File System Extended attributes in NFSv4)? No, NFSv4 defines attributes for all of these. RFC8276 attributes are purely for user-defined attribues, not for anything that the server or filesystem gives specific meaning. > - AFAIK support for RFC8276 in NFS (only version 4.2) server is since kernel 5.9, right? NFS client supports these as well? > - The patches below implements the feature in both, nfs client AND server, right? Client only. These would probably be quite easy to support on the server side when the filesystem supports them, but nobody's volunteered to implement that yet; patches welcome. --b.