From: Mark Hemment <markhe@veritas.com>
Subject: Lock client list while detaching locks
Date: Thu, 31 Jul 2003 20:18:13 +0100 (BST)
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  Patch against 2.4.21-pre9.

Mark

diff -urN linux-2.4.21-pre9/fs/nfsd/export.c nlmdetach/fs/nfsd/export.c
--- linux-2.4.21-pre9/fs/nfsd/export.c	2003-07-31 20:49:28.000000000 +0100
+++ nlmdetach/fs/nfsd/export.c	2003-07-31 21:08:56.000000000 +0100
@@ -903,8 +903,10 @@
 {
 	struct svc_client	*clp;

+	exp_readlock();
 	for (clp = clients; clp; clp = clp->cl_next)
 		nfsd_lockd_unexport(clp);
+	exp_unlock();
 }

 /*



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