1#ifndef __ASM_SPINLOCK_TYPES_H 2#define __ASM_SPINLOCK_TYPES_H 3 4#ifndef __LINUX_SPINLOCK_TYPES_H 5# error "please don't include this file directly" 6#endif 7 8typedef struct { 9 volatile unsigned int owner_cpu; 10} __attribute__ ((aligned (4))) arch_spinlock_t; 11 12#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } 13 14typedef struct { 15 volatile unsigned int lock; 16} arch_rwlock_t; 17 18#define __ARCH_RW_LOCK_UNLOCKED { 0 } 19 20#endif 21