On Sat, 13 Mar 1999, Jason Thorpe wrote:

> On Fri, 12 Mar 1999 21:44:15 -0800 (PST) 
>  Bill Studenmund <wrstuden@nas.nasa.gov> wrote:
> 
>  > How badly would this break an nfs server? The first nfsd to read the file
>  > would sleep for five minutes. What would happen then? Would the client
>  > retry, and possibly send another process to sleep (possibly getting all of
>  > them)?
> 
> Well...
> 
> nfsd(8) itself doesn't actually do any reads/writes.  What it does is
> set up the socket/authentication, and then run entirely inside the kernel.
> All reads/writes are done in the kernel.

Right, but they are done in the context of one of these servers, aren't
they? Thus if VOP_READ sleeps, one of these in-kernel server processes
will sleep, tying up one of the servers. ?? 

Take care,

Bill