diff options
author | Paul Mundt <lethal@linux-sh.org> | 2010-04-26 16:08:27 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2010-04-26 16:08:27 +0900 |
commit | e19553427c2e8fdb04fdd98e407164bb59a840ba (patch) | |
tree | 5332234b2dad07c03c27e4608afb16f297f41e61 /lib/ratelimit.c | |
parent | 35f6cd4a06432034665a1499ca4b022437423aac (diff) | |
parent | 83515bc7df812555e20cda48614674e2f346f9f5 (diff) |
Merge branch 'sh/stable-updates'
Conflicts:
arch/sh/kernel/dwarf.c
drivers/dma/shdma.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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; |