[Bug 298427] Enable vfs.nfsd.writedelegifpo=1 by default for FreeBSD 16

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 12 Sep 2026 15:17:22 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=298427

--- Comment #2 from Rick Macklem <rmacklem@FreeBSD.org> ---
(In reply to Roland Mainz from comment #1)
Yes. I put it in there long ago for NFSv4.0.
At the time, I found write delegations more
useful than Read delegations. (In the end,
delegations never worked well for NFSv4.0,
so I've completely disabled them for NFSv4.0.)

I thought (I have to take a look at the code)
that, for NFSv4.1/4.2, the OPEN4_SHARE_ACCESS_WANT_xxx_DELEG
flags in the OPEN args overrode this, but maybe not?

To enable delegations, it's..
vfs.nfsd.issue_delegations=1
which is what I suspect you want and not
vfs.nfsd.writedelegifpos (which was for "if possible").

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