1#ifndef _LINUX_LOCKDEP_H 2#define _LINUX_LOCKDEP_H 3 4#include <linux/spinlock.h> 5 6struct lock_class_key { 7 unsigned int a; 8}; 9 10static inline void lockdep_set_class(spinlock_t *lock, 11 struct lock_class_key *key) 12{ 13} 14 15extern int lockdep_is_held(const void *); 16#endif /* _LINUX_LOCKDEP_H */ 17