ovl_set_nlink_common  659 fs/overlayfs/inode.c 	return ovl_set_nlink_common(dentry, ovl_dentry_upper(dentry), "U%+i");
ovl_set_nlink_common  664 fs/overlayfs/inode.c 	return ovl_set_nlink_common(dentry, ovl_dentry_lower(dentry), "L%+i");