[GFS2] Make headers compile on their own

As per Jan Engelhardt's comments, this should make all the headers
compile on their own by including and/or declaring structures
early.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/gfs2/glops.h b/fs/gfs2/glops.h
index ba943e473665..a1d9b5b024e6 100644
--- a/fs/gfs2/glops.h
+++ b/fs/gfs2/glops.h
@@ -10,6 +10,8 @@
 #ifndef __GLOPS_DOT_H__
 #define __GLOPS_DOT_H__
 
+#include "incore.h"
+
 extern const struct gfs2_glock_operations gfs2_meta_glops;
 extern const struct gfs2_glock_operations gfs2_inode_glops;
 extern const struct gfs2_glock_operations gfs2_rgrp_glops;