From: Jens Axboe <axboe@fb.com>
Date: Mon, 15 Dec 2014 20:45:53 +0000 (-0700)
Subject: backend: fix off-by-one in nsec calculation
X-Git-Tag: fio-2.2.0~14
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=823952afda151688e8b509be4f4e09b4ac1efd75;p=fio.git

backend: fix off-by-one in nsec calculation

If it's equal to 10^9 we need to bump seconds and subtract 10^9
from nsec, not only if it's larger than.

Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/backend.c b/backend.c
index 3424a098..f1def38b 100644
--- a/backend.c
+++ b/backend.c
@@ -2109,7 +2109,7 @@ static void *helper_thread_main(void *data)
 		gettimeofday(&tv, NULL);
 		ts.tv_sec = tv.tv_sec + sec;
 		ts.tv_nsec = (tv.tv_usec * 1000) + nsec;
-		if (ts.tv_nsec > 1000000000ULL) {
+		if (ts.tv_nsec >= 1000000000ULL) {
 			ts.tv_nsec -= 1000000000ULL;
 			ts.tv_sec++;
 		}