Re: [PATCH v11 00/20] nfs/nfsd: add support for localio

Christoph Hellwig
2024-07-05T13:39:02Z

On Fri, Jul 05, 2024 at 01:35:18PM +0000, Chuck Lever III wrote:
> I agree: I think the requirement for NFSv3 in this situation
> needs a clear justification. Both peers are recent vintage
> Linux kernels; both peers can use NFSv4.x, there's no
> explicit need for backwards compatibility in the use cases
> that have been provided so far.

More importantly both peers are in fact the exact same Linux kernel
instance. Which is the important point here - we are doing a bypass
for a kernel talking to itself, although a kernel suffering from
multiple personality (dis)order where the different sides might
expose very different system views.