Ocfs2/refcounttree: Publicize couple of funcs from refcounttree.c
The original goal of commonizing these funcs is to benefit defraging/extent_moving
codes in the future, based on the fact that reflink and defragmentation having
the same Copy-On-Wrtie mechanism.
Signed-off-by: Tristan Ye <tristan.ye@oracle.com>
diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h
index c8ce46f7..7754608 100644
--- a/fs/ocfs2/refcounttree.h
+++ b/fs/ocfs2/refcounttree.h
@@ -84,6 +84,17 @@
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,