[GFS2] split and annotate gfs_rindex

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index b261385..07dfd63 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -253,7 +253,7 @@
 
 }
 
-static inline int rgrp_contains_block(struct gfs2_rindex *ri, u64 block)
+static inline int rgrp_contains_block(struct gfs2_rindex_host *ri, u64 block)
 {
 	u64 first = ri->ri_data0;
 	u64 last = first + ri->ri_data;