ovl_type_merge_or_lower  900 fs/overlayfs/dir.c 		!d_is_dir(dentry) || !ovl_type_merge_or_lower(dentry);
ovl_type_merge_or_lower 1177 fs/overlayfs/dir.c 	if (ovl_type_merge_or_lower(old))
ovl_type_merge_or_lower 1184 fs/overlayfs/dir.c 	if (!overwrite && ovl_type_merge_or_lower(new))