| #ifndef _LINUX_RATELIMIT_H |
| #define _LINUX_RATELIMIT_H |
| #include <linux/spinlock_types.h> |
| #define DEFAULT_RATELIMIT_INTERVAL (5 * HZ) |
| #define DEFAULT_RATELIMIT_BURST 10 |
| spinlock_t lock; /* protect the state */ |
| #define DEFINE_RATELIMIT_STATE(name, interval_init, burst_init) \ |
| struct ratelimit_state name = { \ |
| .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ |
| .interval = interval_init, \ |
| extern int ___ratelimit(struct ratelimit_state *rs, const char *func); |
| #define __ratelimit(state) ___ratelimit(state, __func__) |
| #endif /* _LINUX_RATELIMIT_H */ |