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| author | David S. Miller <davem@davemloft.net> | 2010-04-13 09:28:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-13 09:28:45 +0200 |
| commit | 9343af084c7e8911897b0883042ee690cee3aaef (patch) | |
| tree | 6211a4bdc84690bec6530d27a3abb19f5e8bb8f3 /lib/ratelimit.c | |
| parent | sparc64: Fix memory leak in pci_register_iommu_region(). (diff) | |
| parent | Linux 2.6.34-rc4 (diff) | |
| download | linux-9343af084c7e8911897b0883042ee690cee3aaef.tar.xz linux-9343af084c7e8911897b0883042ee690cee3aaef.zip | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
lib/Kconfig.debug
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; |