1#ifndef ARCH_ALPHA_H 2#define ARCH_ALPHA_H 3 4#define FIO_ARCH (arch_alpha) 5 6#define nop do { } while (0) 7#define read_barrier() __asm__ __volatile__("mb": : :"memory") 8#define write_barrier() __asm__ __volatile__("wmb": : :"memory") 9 10#endif 11