NFS: Allow the "nfs" file system type to support NFSv4
When mounting an "nfs" type file system, recognize "v4," "vers=4," or
"nfsvers=4" mount options, and convert the file system to "nfs4" under
the covers.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
[trondmy: fixed up binary mount code so it sets the 'version' field too]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index bd2eba5..33b2836 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -472,6 +472,7 @@
#define NFSPROC4_NULL 0
#define NFSPROC4_COMPOUND 1
+#define NFS4_VERSION 4
#define NFS4_MINOR_VERSION 0
#if defined(CONFIG_NFS_V4_1)