stat.c: Superflous n
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/stat.c b/stat.c
index 7d93abd..9df6c1c 100644
--- a/stat.c
+++ b/stat.c
@@ -785,7 +785,7 @@
static inline void add_stat_sample(struct io_stat *is, unsigned long data)
{
double val = data;
- double delta, n;
+ double delta;
if (data > is->max_val)
is->max_val = data;
@@ -793,8 +793,7 @@
is->min_val = data;
delta = val - is->mean;
- n = is->samples + 1.0;
- is->mean += delta / n;
+ is->mean += delta / (is->samples + 1.0);
is->S += delta * (val - is->mean);
is->samples++;