Subject: Re: Problems with 2.6.4-rc2 NFS server and diskless clients
From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Adrian Cox <adrian@humboldt.co.uk>
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <1078846645.1441.14.camel@newt>
References: <1078846645.1441.14.camel@newt>
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Date: Tue, 09 Mar 2004 10:52:02 -0500
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P? ty , 09/03/2004 klokka 10:37, skreiv Adrian Cox:
> Using 2.6.4-rc2  on the NFS server together with Debian unstable
> (nfs-kernel-server version 1:1.0.6-1), diskless clients can no longer
> mount their root filesystems. The same configuration works with a 2.4
> kernel on the server.
> 
> The client reports "nfs_get_root: getattr error = 116". No error
> messages appear in the server logs. And the old recipe of exporting with
> "no_subtree_check" makes no difference.
> 
> Anybody have any suggestions?

There's already a patch for that in the Bitkeeper tree.

Cheers

  Trond

# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
#   2004/03/06 16:11:47-08:00 trond.myklebust@fys.uio.no 
#   [PATCH] Fix knfsd filehandles...
#   
#   Here's a fix for an obvious typo in changeset
#   neilb@cse.unsw.edu.au|ChangeSet|20040305155724|31191
#   that was causing ESTALE errors galore on my NFS testrig.
# 
# fs/nfsd/nfsfh.c
#   2004/03/06 13:46:05-08:00 trond.myklebust@fys.uio.no +1 -0
#   Fix knfsd filehandles...
# 
diff -Nru a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
--- a/fs/nfsd/nfsfh.c	Tue Mar  9 10:51:22 2004
+++ b/fs/nfsd/nfsfh.c	Tue Mar  9 10:51:22 2004
@@ -396,6 +396,7 @@
 				 */
 				mk_fsid_v0(datap, ex_dev,
 					exp->ex_dentry->d_inode->i_ino);
+				break;
 			case 1:
 				/* fsid_type 1 == 4 bytes filesystem id */
 				mk_fsid_v1(datap, exp->ex_fsid);

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