On Thu, Aug 23, 2018 at 12:41:23PM -0700, Paul B. Henson wrote: > On 8/23/2018 7:38 AM, J. Bruce Fields wrote: > > > > Does something specifically need to be done individually for each > > > file system, or if it supports the standard extended attribute does > > > any file system (including an out of tree file system) > > > automatically function? > > > > Nothing special's required, it should be automatic. > > So if, hypothetically, the NFSv4 server was enhanced to look for and > understand the standard linux system.nfs4_acl extended attribute, any file > system, whether in kernel or out of tree, would support exposing NFSv4 ACLs > via NFS? Even though there's nothing ZFS specific about it, that general > functionality would not be acceptable for inclusion in the mainstream > kernel? Hell no. We're not going to support anything out of tree in general, and not something that violates our licensing terms for that matter.