RE: [PATCH v4 0/4] Sending kernel pathrecord query to user cache server

Wan, Kaike
2015-06-11T12:34:27Z

> -----Original Message-----
> From: Hal Rosenstock [mailto:hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org]
> Sent: Wednesday, June 10, 2015 3:52 PM
>
> On 6/10/2015 1:04 PM, Hefty, Sean wrote:
> >> Not in the patches themselves but in the general issue when a PR changes.
> >>
> >> Do you think this needs addressing or are things fine as they are now ?
> >
> > IMO, I think it needs addressing in terms of "can the proposed netlink
> > architecture and design accommodate this sort of request in the future?"
> We shouldn't design in a limitation up front. I don't see anything in the
> current approach that would cause an issue. There would likely be a need for
> new messages and attributes.
>
> Can user space say it can't
> service a request ?
Yes. It can NACK a request.