Date: Mon, 1 Oct 2001 16:31:21 +0200
From: Utz Lehmann <ulehmann@de.tecosim.com>
To: Steve Lord <lord@sgi.com>
Cc: Sean Elble <s_elble@yahoo.com>, linux-xfs@oss.sgi.com
Subject: Re: IRIX 6.5.6m/XFS CVS: Any problems?
Message-ID: <20011001163121.D15188@de.tecosim.com>
References: <s_elble@yahoo.com> <200110011402.f91E25O06650@jen.americas.sgi.com>
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Hi

Steve Lord [lord@sgi.com] wrote:
> > Hello,
> > 
> > I have a Silicon Graphics Indigo2 here with IRIX
> > 6.5.6m installed (love it, BTW), and a Linux server
> > that is about to have the latest CVS version of the
> > XFS kernel installed, along with the kernel-level NFS
> > server.
> > 
> > Are there any known problems, or catches, using NFS on
> > IRIX with a Linux 2.4.10 server? I would like to use
> > NFS3, if possible, but I would appreciate any comments
> > any users may have. Thanks, in advance!
> > 
> 
> You may want to upgrade to the latest Irix release, there were some
> problems with NFS V3 between Linux and Irix. The Irix implementation
> expected the NFS file handles to be of a specific size, and Linux used
> a different size. I think this is fixed in 6.5.13. This only affected
> V3 NFS I think.
> 
> Steve

I had grabed a small patch for the linux nfs server on lkml. It's set the
file handle size on the linux nfs server to a value (older) IRIX Versions
(and HP-UX 10.20) can understand. I have used this patch till 2.4.9. Maybe
it works with 2.4.10 too.
It works for me, but use it at your own risk.

Or use NFS v2.


utz

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--- linux-2.4-xfs-20010723/linux/fs/nfsd/nfsfh.c	Thu Jul 12 18:33:21 2001
+++ linux/fs/nfsd/nfsfh.c	Tue Jul 24 19:03:33 2001
@@ -818,6 +818,11 @@
 	nfsd_nr_verified++;
 	if (fhp->fh_handle.fh_fileid_type == 255)
 		return nfserr_opnotsupp;
+
+/* fix for broken nfs clients */
+if (inode && fhp->fh_handle.fh_size < NFS_FHSIZE)
+fhp->fh_handle.fh_size = NFS_FHSIZE;
+
 	return 0;
 }
 
@@ -849,6 +854,11 @@
 		fhp->fh_handle.fh_size = (datap-fhp->fh_handle.fh_auth+1)*4;
 	}
 out:
+
+/* fix for broken nfs clients */
+if (fhp->fh_handle.fh_size < NFS_FHSIZE)
+fhp->fh_handle.fh_size = NFS_FHSIZE; 
+
 	return 0;
 
 out_bad:

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