GFS2: Reduce size of incore inode

This patch makes no functional changes. Its goal is to reduce the
size of the gfs2 inode in memory by rearranging structures and
changing the size of some variables within the structure.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 3ead27d..8604080 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -1013,7 +1013,7 @@
 	struct gfs2_inode *ip = GFS2_I(file_inode(file));
 	struct gfs2_glock *gl;
 	unsigned int state;
-	int flags;
+	u16 flags;
 	int error = 0;
 	int sleeptime;