Major SMP problems with lstat/namei

John Baldwin jhb at freebsd.org
Wed Sep 24 18:11:25 UTC 2008


On Wednesday 24 September 2008 01:47:32 pm Jeff Wheelhouse wrote:
> 
> On Sep 24, 2008, at 12:12 PM, John Baldwin wrote:
> > Shared lookups only work on the NFS client in 6.x.  I'm about to  
> > turn them on
> > for UFS in HEAD (8.x) and will backport the needed fixes to 7.x  
> > after 7.1
> > (too risky to merge to 7.x this close to a release).
> 
> Testers available, when you get to that.  :-)
> 
> > So lookup_shared=1
> > isn't going to really help on 6.x unless you are doing it all over  
> > NFS.  You
> > also want to backport my fix to cache_enter() before using  
> > lookup_shared at
> > all:
> 
> Since it sounds like 6.x is a dead end, we'll focus on 7.x, provided  
> we can get it to be stable for us.

Yes.

> Having never used svn, I do need to figure out how to pull the  
> specific  patches you referenced, but I'm sure that's not an  
> unclimbable mountain. :-)

You can still use cvs to pull the revisions.  All those e-mail msg's have the 
CVS revisions in them, too.

-- 
John Baldwin


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