[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>
diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h
index d32449f..3712334 100644
--- a/fs/gfs2/dir.h
+++ b/fs/gfs2/dir.h
@@ -10,6 +10,12 @@
#ifndef __DIR_DOT_H__
#define __DIR_DOT_H__
+#include <linux/dcache.h>
+
+struct inode;
+struct gfs2_inode;
+struct gfs2_inum;
+
/**
* gfs2_filldir_t - Report a directory entry to the caller of gfs2_dir_read()
* @opaque: opaque data used by the function
