diff options
author | Anton Vorontsov <cbouatmailru@gmail.com> | 2010-04-26 21:56:19 +0400 |
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committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2010-04-26 21:56:19 +0400 |
commit | 8ef1bb539203629f77a61976e4f25415e1083bff (patch) | |
tree | 4fee25aca0928f112716fb02d27b1b355d0843b4 /lib/ratelimit.c | |
parent | a3bcbbee83f55cbaec9b2ad748e7300c7feb2192 (diff) | |
parent | b91ce4d14a21fc04d165be30319541e0f9204f15 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'lib/ratelimit.c')
-rw-r--r-- | lib/ratelimit.c | 11 |
1 files changed, 8 insertions, 3 deletions
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; |