Re: [PATCH 1/2] NFSD: Use nfsd_iter_read() when ->splice_read is not zero-copy

[Christoph Hellwig]

On Wed, Aug 19, 2026 at 08:54:11AM +1000, NeilBrown wrote:
> I think that if we are going to do this then we should do it properly
> and make it easy to detect these cases.

That's a big IFF.  The splice fallback is a generate case.  And no,
we should not add flags and big blobs of NFSD code to work around it,
there's simply no point in optimizing for some LLM generated ext4 on
fake DAX bullshit.