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| author |   Dan Williams <dan.j.williams@intel.com> | 2010-05-17 16:30:58 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-05-17 16:30:58 -0700 |
| commit | 0b28330e39bbe0ffee4c56b09fc415fcec595ea3 (patch) | |
| tree | fcf504879883763557e696eff81427b1ab78f76b /lib/ratelimit.c | |
| parent | DMAENGINE: extend the control command to include an arg (diff) | |
| parent | async_tx: trim dma_async_tx_descriptor in 'no channel switch' case (diff) | |
| download | wireguard-linux-0b28330e39bbe0ffee4c56b09fc415fcec595ea3.tar.xz wireguard-linux-0b28330e39bbe0ffee4c56b09fc415fcec595ea3.zip | |
Merge branch 'ioat' into dmaengine
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 09f5ce1810dc..027a03f4c56d 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; |