X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=lib%2Fratelimit.c;h=027a03f4c56d4059b23560c984f5699e44e069d8;hb=4d7b4ac22fbec1a03206c6cde353f2fd6942f828;hp=09f5ce1810dcc02ddb99696d255ed3ad6436f30b;hpb=deb0c98c7f6035d47a247e548384517a955314a5;p=~andy%2Flinux diff --git a/lib/ratelimit.c b/lib/ratelimit.c index 09f5ce1810d..027a03f4c56 100644 --- a/lib/ratelimit.c +++ b/lib/ratelimit.c @@ -16,9 +16,14 @@ /* * __ratelimit - rate limiting * @rs: ratelimit_state data + * @func: name of calling function * - * This enforces a rate limit: not more than @rs->ratelimit_burst callbacks - * in every @rs->ratelimit_jiffies + * This enforces a rate limit: not more than @rs->burst callbacks + * in every @rs->interval + * + * RETURNS: + * 0 means callbacks will be suppressed. + * 1 means go ahead and do it. */ int ___ratelimit(struct ratelimit_state *rs, const char *func) { @@ -35,7 +40,7 @@ int ___ratelimit(struct ratelimit_state *rs, const char *func) * the entity that is holding the lock already: */ if (!spin_trylock_irqsave(&rs->lock, flags)) - return 1; + return 0; if (!rs->begin) rs->begin = jiffies;