Better interop for NFS/SMB file share mode/reservation

[J. Bruce Fields]

On Thu, Feb 14, 2019 at 04:06:52PM -0500, J. Bruce Fields wrote:
> After this:
> 
> 	https://marc.info/?l=linux-nfs&m=154966239918297&w=2
> 
> delegations would no longer conflict with opens from the same tgid.  So
> if your threads all run in the same process and you're willing to manage
> conflicts among your own clients, that should still allow you to do
> multiple opens of the same file without giving up your lease/delegation.
> 
> I'd be curious to know whether that works with Samba's design.

Any idea whether that would work?

(Easy?  Impossible?  Possible, but realistically the changes required to
Samba would be painful enough that it'd be unlikely to get done?)

--b.