From 32071eda886a93da125f95529c2a4cf334864ade Mon Sep 17 00:00:00 2001
From: Chunzhu Li <lichunzhu@stu.xjtu.edu.cn>
Date: Fri, 2 Dec 2022 00:28:51 +0800
Subject: [PATCH] address comment

---
 br/pkg/lightning/restore/restore.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/br/pkg/lightning/restore/restore.go b/br/pkg/lightning/restore/restore.go
index 1fcc5e844703c..329ef29c98667 100644
--- a/br/pkg/lightning/restore/restore.go
+++ b/br/pkg/lightning/restore/restore.go
@@ -2300,7 +2300,7 @@ type deliveredKVs struct {
 	offset  int64
 	rowID   int64
 
-	realOffset int64
+	realOffset int64 // indicates file reader's current position, only used for compressed files
 }
 
 type deliverResult struct {