1 files changed, 3 insertions, 9 deletions

diff --git a/fs/nilfs2/btree.h b/fs/nilfs2/btree.h
index 43c8c5b541fd..22c02e35b6ef 100644
--- a/fs/nilfs2/btree.h
+++ b/fs/nilfs2/btree.h
@@ -31,14 +31,6 @@
 #include "bmap.h"
 
 /**
- * struct nilfs_btree - B-tree structure
- * @bt_bmap: bmap base structure
- */
-struct nilfs_btree {
-        struct nilfs_bmap bt_bmap;
-};
-
-/**
  * struct nilfs_btree_path - A path on which B-tree operations are executed
  * @bp_bh: buffer head of node block
  * @bp_sib_bh: buffer head of sibling node block
@@ -54,7 +46,7 @@ struct nilfs_btree_path {
         union nilfs_bmap_ptr_req bp_oldreq;
         union nilfs_bmap_ptr_req bp_newreq;
         struct nilfs_btnode_chkey_ctxt bp_ctxt;
-        void (*bp_op)(struct nilfs_btree *, struct nilfs_btree_path *,
+        void (*bp_op)(struct nilfs_bmap *, struct nilfs_btree_path *,
                       int, __u64 *, __u64 *);
 };
 
@@ -80,4 +72,6 @@ int nilfs_btree_convert_and_insert(struct nilfs_bmap *, __u64, __u64,
                                    const __u64 *, const __u64 *, int);
 void nilfs_btree_init_gc(struct nilfs_bmap *);
 
+int nilfs_btree_broken_node_block(struct buffer_head *bh);
+
 #endif  /* _NILFS_BTREE_H */