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Date:      Tue, 22 Jun 1999 14:00:41 -0700 (PDT)
From:      Julian Elischer <julian@whistle.com>
To:        Tom Bartol <bartol@salk.edu>
Cc:        Andrew Gallatin <gallatin@cs.duke.edu>, dillon@backplane.com, freebsd-current@FreeBSD.ORG
Subject:   Re: NFS Test patch.. Anyone tested it?
Message-ID:  <Pine.BSF.3.95.990622140008.16875L-100000@current1.whistle.com>
In-Reply-To: <Pine.BSF.4.10.9906221356530.11784-100000@eccles.salk.edu>

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As I said on -hackers..

> 
> There is a backported version of MAtt's NFS fixes at:
> 
> ftp://ftp.whistle.com/pub/julian/nfs-3.diffs
> 
> These include Andrew's fix to the fix
> 
> results apreciated.
> If you've been having NFS server side problems on 3.x check these out..
> 
> julian
> 
> 


On Tue, 22 Jun 1999, Tom Bartol wrote:

> 
> I'll be happy to test a 3.2-STABLE version of the patches as soon as they
> become available.
> 
> Tom
> 
> 
> On Tue, 22 Jun 1999, Julian Elischer wrote:
> 
> > Ok I 've incorporated that into the patch set I have ready to commit..
> > I've also been playing in 3.x
> > 
> > The patches apply almost cleanly there, except for 3 small problems that
> > I'm fixing by hand..
> > 
> > I'll then make a 3.x version of the patches available.
> > Hopefully people can start testing that..
> > 
> > julian
> > 
> > 
> > On Tue, 22 Jun 1999, Andrew Gallatin wrote:
> > 
> > > 
> > > Julian Elischer writes:
> > >  > Matthew Dillon wrote:
> > >  > > 
> > >  > >     Here's the location:
> > >  > > 
> > >  > >         http://www.backplane.com/FreeBSD4/
> > >  > > 
> > >  > >     It's in the 'NFS bugs first found by David E. Cross' section.
> > >  > > 
> > >  > 
> > >  > 
> > >  > I've looked it over a bit and can't see any major problems..
> > >  > and it definitly does fix some problems..
> > >  > 
> > >  > Has anyone tried it in a heavy server environment?
> > >  > if so, any problems? It's running ok here but it's only 
> > >  > very lightly tested in our environment.
> > >  > 
> > >  > I'd like to get it checked in if it really is an improvement....
> > >  > 
> > > 
> > > OK.  First minor problem & fix: 
> > > 
> > > Solaris 2.7 (5.7 Generic_106541-04 sun4u sparc) hosts cannot do a V3
> > > mount of an nfs server with these patches applied.  V2 mounts still
> > > seem to work.
> > > 
> > > It turns out that this is because when a solaris 2.7 host does an
> > > NFSv3 mount, it calls the null procedure & Matt's diffs expose a bug
> > > in nfssvc_nfsd.  The following patch, applied in addtion to the diffs
> > > above, corrects the problem:
> > > 
> > > Index: nfs_syscalls.c
> > > ===================================================================
> > > RCS file: /home/ncvs/src/sys/nfs/nfs_syscalls.c,v
> > > retrieving revision 1.49
> > > diff -u -b -B -r1.49 nfs_syscalls.c
> > > --- nfs_syscalls.c      1999/04/27 11:17:52     1.49
> > > +++ nfs_syscalls.c      1999/06/22 19:32:26
> > > @@ -651,7 +651,7 @@
> > >                                 slp, nfsd->nfsd_procp, &mreq);
> > >                         if (mreq == NULL)
> > >                                 break;
> > > -                       if (error) {
> > > +                       if (error != 0 && error != NFSERR_RETVOID) {
> > >                                 if (nd->nd_procnum != NQNFSPROC_VACATED)
> > >                                         nfsstats.srv_errs++;
> > >                                 nfsrv_updatecache(nd, FALSE, mreq);
> > > 
> > > 
> > > 
> > > Cheers,
> > > 
> > > Drew
> > > ------------------------------------------------------------------------------
> > > Andrew Gallatin, Sr Systems Programmer	http://www.cs.duke.edu/~gallatin
> > > Duke University				Email: gallatin@cs.duke.edu
> > > Department of Computer Science		Phone: (919) 660-6590
> > > 
> > 
> > 
> > 
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-current" in the body of the message
> > 
> 
> 



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