On Thu, Jan 31, 2008 at 10:48:32AM +0300, Denis V. Lunev wrote:
> Christoph Hellwig wrote:
> > On Wed, Jan 30, 2008 at 02:41:34PM +0300, Denis V. Lunev wrote:
> >> The pid of the locking daemon can be substituted with a task struct
> >> without a problem. Namely, the value if filled in the context of the lockd
> >> thread and used in lockd_up/lockd_down.
> >>
> >> It is possible to save task struct instead and use it to kill the process.
> >> The safety of this operation is guaranteed by the RCU, i.e. task can't
> >> disappear without passing a quiscent state.
> > 
> > We have a patch series pending on the nfs list that does this plus a lot
> > more in the area.
> > 
> > 
> where can I have to look them? :)

The lastest version was just posted on the linux-nfs list:
http://marc.info/?l=linux-nfs&m=120224048613393&w=2