From 39b20436b3e4f02a33f2811f3d7f7ea20f25534d Mon Sep 17 00:00:00 2001
From: husharp <jinhao.hu@pingcap.com>
Date: Tue, 29 Aug 2023 16:01:12 +0800
Subject: [PATCH] rename backoff

Signed-off-by: husharp <jinhao.hu@pingcap.com>
---
 client/retry/backoff.go | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/client/retry/backoff.go b/client/retry/backoff.go
index 6d234a8df45c..b152cb48edc5 100644
--- a/client/retry/backoff.go
+++ b/client/retry/backoff.go
@@ -23,9 +23,9 @@ import (
 
 // BackOffer is a backoff policy for retrying operations.
 type BackOffer struct {
-	maxBackoff     time.Duration
-	nextBackoff    time.Duration
-	initialBackoff time.Duration
+	max  time.Duration
+	next time.Duration
+	base time.Duration
 }
 
 // WithBackoff is a helper function to add backoff.
@@ -50,11 +50,11 @@ func WithBackoff(
 }
 
 // InitialBackOffer make the initial state for retrying.
-func InitialBackOffer(initialBackoff, maxBackoff time.Duration) BackOffer {
+func InitialBackOffer(base, max time.Duration) BackOffer {
 	return BackOffer{
-		maxBackoff:     maxBackoff,
-		initialBackoff: initialBackoff,
-		nextBackoff:    initialBackoff,
+		max:  max,
+		base: base,
+		next: base,
 	}
 }
 
@@ -63,19 +63,19 @@ func (rs *BackOffer) NextBackoff() time.Duration {
 	return rs.exponentialBackoff()
 }
 
-// exponentialBackoff Get the exponential backoff duration.
+// exponentialBackoff returns the exponential backoff duration.
 func (rs *BackOffer) exponentialBackoff() time.Duration {
-	backoff := rs.nextBackoff
-	rs.nextBackoff *= 2
-	if rs.nextBackoff > rs.maxBackoff {
-		rs.nextBackoff = rs.maxBackoff
+	backoffInterval := rs.next
+	rs.next *= 2
+	if rs.next > rs.max {
+		rs.next = rs.max
 	}
-	return backoff
+	return backoffInterval
 }
 
-// ResetBackoff reset the backoff to initial state.
+// ResetBackoff resets the backoff to initial state.
 func (rs *BackOffer) ResetBackoff() {
-	rs.nextBackoff = rs.initialBackoff
+	rs.next = rs.base
 }
 
 // Only used for test.