ocfs2: add ocfs2_acl_chmod

This function is used to update acl xattrs during file mode changes.

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h
index fef10f1..68ffd64 100644
--- a/fs/ocfs2/acl.h
+++ b/fs/ocfs2/acl.h
@@ -29,10 +29,15 @@
 #ifdef CONFIG_OCFS2_FS_POSIX_ACL
 
 extern int ocfs2_check_acl(struct inode *, int);
+extern int ocfs2_acl_chmod(struct inode *);
 
 #else /* CONFIG_OCFS2_FS_POSIX_ACL*/
 
 #define ocfs2_check_acl NULL
+static inline int ocfs2_acl_chmod(struct inode *inode)
+{
+	return 0;
+}
 
 #endif /* CONFIG_OCFS2_FS_POSIX_ACL*/