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throttle: use THROTTLE_MAX/ARRAY_SIZE for hard code

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The first dimension of both to_check and
bucket_types_size/bucket_types_units is used as throttle direction,
use THROTTLE_MAX instead of hard coded number. Also use ARRAY_SIZE()
to avoid hard coded number for the second dimension.

Hanna noticed that the two array should be static. Yes, turn them
into static variables.

Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20230728022006.1098509-8-pizhenwei@bytedance.com>
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
This commit is contained in:
zhenwei pi
2023-07-28 10:20:04 +08:00
committed by Hanna Czenczek
parent e76f201f69
commit 7017313882
1 changed files with 6 additions and 5 deletions
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11
util/throttle.c
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@ -142,7 +142,8 @@ int64_t throttle_compute_wait(LeakyBucket *bkt)
static int64_t throttle_compute_wait_for(ThrottleState *ts,
ThrottleDirection direction)
{
BucketType to_check[2][4] = { {THROTTLE_BPS_TOTAL,
static const BucketType to_check[THROTTLE_MAX][4] = {
{THROTTLE_BPS_TOTAL,
THROTTLE_OPS_TOTAL,
THROTTLE_BPS_READ,
THROTTLE_OPS_READ},
@ -153,7 +154,7 @@ static int64_t throttle_compute_wait_for(ThrottleState *ts,
int64_t wait, max_wait = 0;
int i;
for (i = 0; i < 4; i++) {
for (i = 0; i < ARRAY_SIZE(to_check[THROTTLE_READ]); i++) {
BucketType index = to_check[direction][i];
wait = throttle_compute_wait(&ts->cfg.buckets[index]);
if (wait > max_wait) {
@ -469,11 +470,11 @@ bool throttle_schedule_timer(ThrottleState *ts,
void throttle_account(ThrottleState *ts, ThrottleDirection direction,
uint64_t size)
{
const BucketType bucket_types_size[2][2] = {
static const BucketType bucket_types_size[THROTTLE_MAX][2] = {
{ THROTTLE_BPS_TOTAL, THROTTLE_BPS_READ },
{ THROTTLE_BPS_TOTAL, THROTTLE_BPS_WRITE }
};
const BucketType bucket_types_units[2][2] = {
static const BucketType bucket_types_units[THROTTLE_MAX][2] = {
{ THROTTLE_OPS_TOTAL, THROTTLE_OPS_READ },
{ THROTTLE_OPS_TOTAL, THROTTLE_OPS_WRITE }
};
@ -486,7 +487,7 @@ void throttle_account(ThrottleState *ts, ThrottleDirection direction,
units = (double) size / ts->cfg.op_size;
}
for (i = 0; i < 2; i++) {
for (i = 0; i < ARRAY_SIZE(bucket_types_size[THROTTLE_READ]); i++) {
LeakyBucket *bkt;
bkt = &ts->cfg.buckets[bucket_types_size[direction][i]];