From 7f289c3b92bcd2b357d63ad1f76ede6afb3fdc08 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Sat, 31 Aug 2019 14:40:09 +0200
Subject: [PATCH] Improve comment in flushSlavesOutputBuffers().

---
 src/networking.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/networking.c b/src/networking.c
index c21bc8a52..957411b60 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -2149,7 +2149,8 @@ void flushSlavesOutputBuffers(void) {
          * case the writable event is never installed, since the purpose
          * of put_online_on_ack is to postpone the moment it is installed.
          * This is what we want since slaves in this state should not receive
-         * writes before the first ACK. */
+         * writes before the first ACK (to know the reason, grep for this
+         * flag in this file). */
         if (slave->replstate == SLAVE_STATE_ONLINE &&
             !slave->repl_put_online_on_ack &&
             clientHasPendingReplies(slave))