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| author | Yong Zhang <yong.zhang@windriver.com> | 2010-04-06 14:35:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-07 08:38:04 -0700 |
| commit | 2a7268abc48c8009b284bd88605d14fcb65772ec (patch) | |
| tree | 4a85cff6aaa6a1beda8e727b593f780a3fec3fc8 /lib/ratelimit.c | |
| parent | ee5d2acd5ca1534f40e06d4f0d41a940b17beb54 (diff) | |
| download | lwn-2a7268abc48c8009b284bd88605d14fcb65772ec.tar.gz lwn-2a7268abc48c8009b284bd88605d14fcb65772ec.zip | |
ratelimit: annotate ___ratelimit()
To prevent from wrongly using the return value.
[akpm@linux-foundation.org: fix spello]
Signed-off-by: Yong Zhang <yong.zhang@windriver.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/ratelimit.c')
| -rw-r--r-- | lib/ratelimit.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/ratelimit.c b/lib/ratelimit.c index 09f5ce1810dc..b4cd24ff9b29 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) { |