# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1183721300 0
# Node ID 2b3e6aede7daa39ae805740780f856a4c3c326fa
# Parent  b9de49a6fd6335b6b9dc119501b6a79c98a750da
add comment

diff --git a/src/http/modules/ngx_http_log_module.c b/src/http/modules/ngx_http_log_module.c
--- a/src/http/modules/ngx_http_log_module.c
+++ b/src/http/modules/ngx_http_log_module.c
@@ -423,6 +423,11 @@ ngx_http_log_bytes_sent(ngx_http_request
 }
 
 
+/*
+ * although there is a real $body_bytes_sent variable,
+ * this log operation code function is more optimized for logging
+ */
+
 static u_char *
 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf,
     ngx_http_log_op_t *op)