[PATCH 00/24] vfs: require filesystems to explicitly opt-in to lease support

[Christoph Hellwig]

On Thu, Jan 08, 2026 at 12:12:55PM -0500, Jeff Layton wrote:
> I mainly focused on filesystems that are NFS exportable, since NFS and
> SMB are the main users of file leases, and they tend to end up exporting
> the same filesystem types. Let me know if I've missed any.
> 
> [1]: https://lore.kernel.org/linux-fsdevel/20260107-setlease-6-19-v1-0-85f034abcc57@kernel.org/

That seems reasonable, and I like the approach here (without having the
time to review every change right now):

Acked-by: Christoph Hellwig <hch at lst.de>

If it turns out we have people use leases on other file systems we'll
have to wire up a few more instance as needed, but I think your initial
set makes sense.