Subject: Re: kqueue and NFS
To: Jason R Thorpe <thorpej@wasabisystems.com>
From: Chuck Silvers <chuq@chuq.com>
List: tech-kern
Date: 09/28/2002 19:36:02
On Sat, Sep 28, 2002 at 07:31:47PM -0700, Jason R Thorpe wrote:
> On Sat, Sep 28, 2002 at 07:24:56PM -0700, Chuck Silvers wrote:
> 
>  > I'd think that polling would be appropriate in this context,
>  > since that's basically what apps would do before kqueue.
>  > but at least with kqueue it's being done in the kernel
>  > so that apps don't have to know about it.  if kqueue doesn't do this
>  > then kqueue is pretty much useless for NFS.
> 
> Hm, okay, but presumably this behavior would only be enabled if there
> are actually active kqueues watching a given vnode?

of course.
it wouldn't make sense to do all that work if no one was watching.  :-)

-Chuck