Re: NFS exports of ZFS snapshots broken

On 17 Nov 2023, at 17:22, Mike Karels wrote:

> On 17 Nov 2023, at 16:35, Garrett Wollman wrote:
>
>> <<On Fri, 17 Nov 2023 15:57:42 -0600, Mike Karels <mike@karels.net> said:
>>
>>> I have not run into this, so I tried it just now.  I had no problem.
>>> The server is 13.2, fully patched, the client is up-to-date -current,
>>> and the mount is v4.
>>
>> On my 13.2 client and 13-stable server, I see:
>
> I set up ZFS on a 13-stable system that doesn't normally run ZFS.
> Mounting from a 13.2 system using v3, I get the EIO errors.  Unless there
> is some other variable, it sounds like something broke in the nfs server
> code between 13.2 and a month or so ago (my 13-stable kernel is from
> Oct 7).

Looks like main still has this problem.  I exported a ZFS file system from
a 15-current system to the same 13.2 client, and it exhibits the problem
(EIO from NFSv3).  So the problem is most likely in 14.0 as well.

		Mike