/*
+ * Get fsid from nfs_fh:
+ * return 0 if *fsid contains a valid value.
+ */
+int
+nlm_fo_get_fsid(struct nfs_fh *fh, int *fsid)
+{
+	struct nfs_fhbase_new *fh_base = (struct nfs_fhbase_new *) fh->data;
+	int data_left = fh->size/4;
+
+	nlm_debug_print_fh("nlm_fo_find_fsid", fh);
+
+	/* From fb_version to fb_auth - at least two u32 */
+	if (data_left < 2)		
+		return -1;
+ 
+	/* For various types, check out 
+	 * inlcude/linux/nfsd/nfsfsh.h
+	 */
+	if ((fh_base->fb_version != 1) ||  
+		(fh_base->fb_auth_type != 0) ||
+		(fh_base->fb_fsid_type != 1))
+		return -1;
+
+	/* The fb_auth is 0 bytes long - imply fb_auth[0] has
+	 * fsid value.
+	 */
+	*fsid = (int) fh_base->fb_auth[0];
+	return 0;
+}