[GFS2] Some further style changes

Introduce a couple of new constants which make the NFS filehandle
sizes that GFS2 uses a bit clearer. Also fix one or two minor
issues as per Jan Engelhardt's sixth email.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/ops_export.h b/fs/gfs2/ops_export.h
index d52c2d9..09aca50 100644
--- a/fs/gfs2/ops_export.h
+++ b/fs/gfs2/ops_export.h
@@ -10,6 +10,9 @@
 #ifndef __OPS_EXPORT_DOT_H__
 #define __OPS_EXPORT_DOT_H__
 
+#define GFS2_SMALL_FH_SIZE 4
+#define GFS2_LARGE_FH_SIZE 10
+
 extern struct export_operations gfs2_export_ops;
 struct gfs2_fh_obj {
 	struct gfs2_inum this;