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