Author: Steve Dickson <steved@redhat.com>
Date:   Tue Oct 20 10:25:34 EDT 2009

    Retry v4 mounts with a v3 mount when the version
    is not explicitly specified and the mount fails 
    with ENOENT. The will help deal with Linux servers
    that do not automatically export a pseudo root

    Signed-off-by: Steve Dickson <steved@redhat.com>

diff -up nfs-utils-1.2.0/utils/mount/stropts.c.orig nfs-utils-1.2.0/utils/mount/stropts.c
--- nfs-utils-1.2.0/utils/mount/stropts.c.orig	2009-10-20 10:11:03.000000000 -0400
+++ nfs-utils-1.2.0/utils/mount/stropts.c	2009-10-20 10:24:41.000000000 -0400
@@ -613,8 +613,15 @@ static int nfs_try_mount(struct nfsmount
 		if (linux_version_code() > MAKE_VERSION(2, 6, 31)) {
 			errno = 0;
 			result = nfs_try_mount_v4(mi);
-			if (errno != EPROTONOSUPPORT)
-				break;
+			if (errno != EPROTONOSUPPORT) {
+				/* 
+				 * To deal with legacy Linux servers that don't
+				 * automatically export a pseudo root, retry
+				 * ENOENT errors using version 3
+				 */
+				if (errno != ENOENT)
+					break;
+			}
 		}
 	case 2:
 	case 3: