Re: [PATCH v1 05/18] xprtrdma: Avoid using Write list for small NFS READ requests

Christoph Hellwig
2016-04-12T14:15:33Z

On Mon, Apr 11, 2016 at 04:38:44PM -0400, Chuck Lever wrote:
> No, pre-4.2 Linux servers have a bug that can be fixed by
> applying the above commit, which shouldn't be difficult to
> backport.
>
> Clients have always been allowed to send NFS READ this way.

But the clients might be out in a the wild. I think we'll need at
least a mount option to work around them.