diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index 3b4322f..937c272 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -67,8 +67,8 @@
 	return ret;
 }
 
-static int ocfs2_get_clusters(struct inode *inode, u32 v_cluster,
-			      u32 *p_cluster, u32 *num_clusters)
+int ocfs2_get_clusters(struct inode *inode, u32 v_cluster,
+		       u32 *p_cluster, u32 *num_clusters)
 {
 	int ret, i;
 	struct buffer_head *di_bh = NULL;