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

[Ameer Hamza]

On Tue, Aug 18, 2026 at 09:55:56AM -0400, Chuck Lever wrote:
> Hi Ameer -
> 
> First off, thanks for posting the full series to provide good
> context for your problem statement. Contention in the page
> allocator is vexing, and is a problem we've been chasing for
> years.
> 
> There is a lot to unpack. I'm going to focus on patch 1/2 and
> set 2/2 aside for the moment. I promise we will come back to it.

[ ... ]

> So what I'd like you to do is provide a backportable fix that applies
> before your series to address the fsnotify and atime accounting issues.
> I'm not convinced that stable will want the bulk of the 1/2 changes as
> you have them here.
> 
> I don't expect this work will be a heavy lift, but let me know if it
> turns into one.

Thanks, both issues were real. Fixes posted:

  https://lore.kernel.org/linux-nfs/20260818225715.572140-1-ameer.hamza@xxxxxxxxxxx/
  https://lore.kernel.org/linux-nfs/20260818225715.572140-2-ameer.hamza@xxxxxxxxxxx/