Re: [PATCH RFC 00/13] Lockd: grace period containerization

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On Wed, May 16, 2012 at 04:06:30PM -0400, J. Bruce Fields wrote:
> On Sat, May 05, 2012 at 09:21:30PM +0400, Stanislav Kinsbursky wrote:
> > This patch set is marked with RFC, because I'm still not quite sure, that this
> > implementation will satisfy other interested people.
> > So, would be appreciated for any comments.
> > 
> > This patch set makes grace period and hosts reclaiming network namespace
> > aware.
> > 
> > Main ideas:
> > 1)  moving of 
> > 
> > 	unsigned long next_gc;
> > 	unsigned long nrhosts;
> > 
> > 	struct delayed_work grace_period_end;
> > 	struct lock_manager lockd_manager;
> > 	struct list_head grace_list;
> > 
> > to per-net Lockd data.
> > 
> > 2) moving of 
> > 
> > 	struct lock_manager nfsd4_manager;
> > 
> > to per-net NFSd data.
> > 
> > 3) shutdown + gc of NLM hosts done now network namespace aware.
> 
> That all sounds reasonable to me.
> 
> > 4) restart_grace() now works only for init_net.
> 
> Eventually we might just remove that.  I doubt it's used anywhere.

And on a quick skim I don't see anything wrong with the patches
themselves; let me know when you consider them ready.

The per-net grace period management probably isn't what we'll want
eventually, but as I said on the other thread I think it's a reasonable
starting point.

--b.
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