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-rw-r--r--include/linux/ratelimit.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
index 668cf1bef030..8f69d09a41a5 100644
--- a/include/linux/ratelimit.h
+++ b/include/linux/ratelimit.h
@@ -2,7 +2,7 @@
2#define _LINUX_RATELIMIT_H 2#define _LINUX_RATELIMIT_H
3 3
4#include <linux/param.h> 4#include <linux/param.h>
5#include <linux/spinlock_types.h> 5#include <linux/spinlock.h>
6 6
7#define DEFAULT_RATELIMIT_INTERVAL (5 * HZ) 7#define DEFAULT_RATELIMIT_INTERVAL (5 * HZ)
8#define DEFAULT_RATELIMIT_BURST 10 8#define DEFAULT_RATELIMIT_BURST 10
@@ -25,6 +25,17 @@ struct ratelimit_state {
25 .burst = burst_init, \ 25 .burst = burst_init, \
26 } 26 }
27 27
28static inline void ratelimit_state_init(struct ratelimit_state *rs,
29 int interval, int burst)
30{
31 spin_lock_init(&rs->lock);
32 rs->interval = interval;
33 rs->burst = burst;
34 rs->printed = 0;
35 rs->missed = 0;
36 rs->begin = 0;
37}
38
28extern int ___ratelimit(struct ratelimit_state *rs, const char *func); 39extern int ___ratelimit(struct ratelimit_state *rs, const char *func);
29#define __ratelimit(state) ___ratelimit(state, __func__) 40#define __ratelimit(state) ___ratelimit(state, __func__)
30 41