[PATCH 0/3] NFS: Eliminating the Annoying 15sec Delay with NFS mounts.

[Josh Boyer]

On Thu, Nov 21, 2013 at 11:57 AM, Steve Dickson <SteveD at redhat.com> wrote:
> As I'm sure you've notice the 15sec delay on all NFS mounts.
> This is because the kernel now tries to see if it should
> use Kerberos in the mount setup. If Kerberos is not set up
> (aka rpc.gssd is not running) it takes the kernel 15sec
> to figure that out (aka the upcall times out).
>
> The current workaround is to start rpc.gssd, but again,
> if Kerberos is not set up, rpc.gssd spews tons of message
> in /var/log/messages for every mount. Plus putting
> a user level daemon in the mount path is and never
> was a good idea... IMHO...
>
> Jeff Layton (jlayton at redhat.com) has come up with
> some kernel patches what will detect whether the rpc.gssd
> daemon is or is not running. When rpc.gssd is not
> running the mount continues with no delay. I've
> ported them to both F19 and F20.

Thanks Jeff!  Those are both at 3.11.y right now, but will be moving
to 3.12 soonish.  The patches should mostly apply to 3.12 as well,
correct?

> Now, These patches are working their way upstream atm and
> the final version could be slightly different than
> these... I doubt it... But until then... The 15 sec
> delay will be dead! Thank very much Jeff Layton!!!

Given they all have Trond's signoff, I'm guessing they're pretty much
set.  We'll look at getting them in shortly.

josh