commit 26a14b65991b79d317638f78dc6b4e5ac1ef712e

Author: Neil Brown <neilb@suse.de>

Date:   Mon Dec 7 17:23:48 2009 -0500

    mount.nfs: Retry v4 mounts with v3 on ENOENT errors

    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 --git a/utils/mount/stropts.c b/utils/mount/stropts.c

index a0b9e7f..4007150 100644

--- a/utils/mount/stropts.c

+++ b/utils/mount/stropts.c

@@ -668,9 +668,10 @@ static int nfs_try_mount(struct nfsmount_info *mi)

 				/* 

 				 * To deal with legacy Linux servers that don't

 				 * automatically export a pseudo root, retry

-				 * ENOENT errors using version 3

+				 * ENOENT errors using version 3. And for

+				 * Linux servers prior to 2.6.25, retry EPERM

 				 */

-				if (errno != ENOENT)

+				if (errno != ENOENT && errno != EPERM)

 					break;

 			}

 		}