#ifndef _ASM_SPINLOCK_TYPES_H #define _ASM_SPINLOCK_TYPES_H #ifndef __LINUX_SPINLOCK_TYPES_H # error "please don't include this file directly" #endif typedef struct { /* * bits 0..13: serving_now * bits 14 : junk data * bits 15..28: ticket */ unsigned int lock; } arch_spinlock_t; #define __ARCH_SPIN_LOCK_UNLOCKED { 0 } typedef struct { volatile unsigned int lock; } arch_rwlock_t; #define __ARCH_RW_LOCK_UNLOCKED { 0 } #endif