#define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */
#define IOERR_VANISHED (1<<1)
#define IOERR_DEL_LIMIT (1<<2)
#define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */
#define IOERR_VANISHED (1<<1)
#define IOERR_DEL_LIMIT (1<<2)