1 files changed, 4 insertions, 0 deletions

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 6688d19e4451..bb5357376ef5 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -408,6 +408,10 @@ struct ocfs2_super
 
         /* the group we used to allocate inodes. */
         u64                             osb_inode_alloc_group;
+
+        /* rb tree root for refcount lock. */
+        struct rb_root  osb_rf_lock_tree;
+        struct ocfs2_refcount_tree *osb_ref_tree_lru;
 };
 
 #define OCFS2_SB(sb)        ((struct ocfs2_super *)(sb)->s_fs_info)