1 files changed, 15 insertions, 3 deletions

diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h
index 9983ba1570e2..7754608c83a4 100644
--- a/fs/ocfs2/refcounttree.h
+++ b/fs/ocfs2/refcounttree.h
@@ -21,14 +21,14 @@ struct ocfs2_refcount_tree {
         struct rb_node rf_node;
         u64 rf_blkno;
         u32 rf_generation;
+        struct kref rf_getcnt;
         struct rw_semaphore rf_sem;
         struct ocfs2_lock_res rf_lockres;
-        struct kref rf_getcnt;
         int rf_removed;
 
         /* the following 4 fields are used by caching_info. */
-        struct ocfs2_caching_info rf_ci;
         spinlock_t rf_lock;
+        struct ocfs2_caching_info rf_ci;
         struct mutex rf_io_mutex;
         struct super_block *rf_sb;
 };
@@ -52,7 +52,8 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode,
                                           u32 clusters,
                                           int *credits,
                                           int *ref_blocks);
-int ocfs2_refcount_cow(struct inode *inode, struct buffer_head *di_bh,
+int ocfs2_refcount_cow(struct inode *inode,
+                       struct file *filep, struct buffer_head *di_bh,
                        u32 cpos, u32 write_len, u32 max_cpos);
 
 typedef int (ocfs2_post_refcount_func)(struct inode *inode,
@@ -83,6 +84,17 @@ int ocfs2_refcount_cow_xattr(struct inode *inode,
                              struct buffer_head *ref_root_bh,
                              u32 cpos, u32 write_len,
                              struct ocfs2_post_refcount *post);
+int ocfs2_duplicate_clusters_by_page(handle_t *handle,
+                                     struct file *file,
+                                     u32 cpos, u32 old_cluster,
+                                     u32 new_cluster, u32 new_len);
+int ocfs2_duplicate_clusters_by_jbd(handle_t *handle,
+                                    struct file *file,
+                                    u32 cpos, u32 old_cluster,
+                                    u32 new_cluster, u32 new_len);
+int ocfs2_cow_sync_writeback(struct super_block *sb,
+                             struct inode *inode,
+                             u32 cpos, u32 num_clusters);
 int ocfs2_add_refcount_flag(struct inode *inode,
                             struct ocfs2_extent_tree *data_et,
                             struct ocfs2_caching_info *ref_ci,