[GFS2] Remove rgrp and glock version numbers

This patch further reduces GFS2's memory requirements by
eliminating the 64-bit version number fields in lieu of
a couple bits.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index c663b7a0f410..d31badadef8f 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
+ * Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
  * modify, copy, or redistribute it subject to the terms and conditions
@@ -126,7 +126,13 @@ static void meta_go_inval(struct gfs2_glock *gl, int flags)
                 return;
 
         gfs2_meta_inval(gl);
-        gl->gl_vn++;
+        if (gl->gl_object == GFS2_I(gl->gl_sbd->sd_rindex))
+                gl->gl_sbd->sd_rindex_uptodate = 0;
+        else if (gl->gl_ops == &gfs2_rgrp_glops && gl->gl_object) {
+                struct gfs2_rgrpd *rgd = (struct gfs2_rgrpd *)gl->gl_object;
+
+                rgd->rd_flags &= ~GFS2_RDF_UPTODATE;
+        }
 }
 
 /**