4 #define ARCH (arch_i386)
6 #ifndef __NR_ioprio_set
7 #define __NR_ioprio_set 289
8 #define __NR_ioprio_get 290
11 #ifndef __NR_fadvise64
12 #define __NR_fadvise64 250
15 #ifndef __NR_sys_splice
16 #define __NR_sys_splice 313
17 #define __NR_sys_tee 315
18 #define __NR_sys_vmsplice 316
21 #ifndef __NR_async_exec
22 #define __NR_async_exec 325
23 #define __NR_async_wait 326
24 #define __NR_umem_add 327
25 #define __NR_async_thread 328
28 #define FIO_HUGE_PAGE 4194304
30 #define FIO_HAVE_SYSLET
32 #define nop __asm__ __volatile__("rep;nop": : :"memory")
33 #define read_barrier() asm volatile ("": : :"memory")
35 static inline unsigned long fio_ffz(unsigned long bitmask)
37 __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));