arch/arch-s390.h

#ifndef ARCH_S390_H
#define ARCH_S390_H

#define ARCH	(arch_s390)

#ifndef __NR_ioprio_set
#define __NR_ioprio_set		282
#define __NR_ioprio_get		283
#endif

#ifndef __NR_fadvise64
#define __NR_fadvise64		253
#endif

#define nop		asm volatile ("diag 0,0,68" : : : "memory")
#define fio_ffz(v)	generic_ffz((v))
#define read_barrier()	asm volatile("bcr 15,0" : : : "memory")

#endif