1 files changed, 5 insertions, 0 deletions

diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h
index cd4e12d2b6b9..23c695ddaa52 100644
--- a/fs/ocfs2/alloc.h
+++ b/fs/ocfs2/alloc.h
@@ -32,6 +32,11 @@ enum ocfs2_extent_tree_type {
         OCFS2_XATTR_TREE_EXTENT,
 };
 
+/*
+ * For xattr tree leaf, we limit the leaf byte size to be 64K.
+ */
+#define OCFS2_MAX_XATTR_TREE_LEAF_SIZE 65536
+
 struct ocfs2_alloc_context;
 int ocfs2_dinode_insert_extent(struct ocfs2_super *osb,
                                handle_t *handle,