From 1e15e1ef44dd211804cf5bc66fec42c25a993f6c Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@scylladb.com>
Date: Thu, 2 Jan 2020 17:50:44 +0200
Subject: [PATCH] commitlog: cleanup segment sync()

Call cycle() only once.
Message-Id: <20200102155049.21291-4-gleb@scylladb.com>
---
 db/commitlog/commitlog.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/db/commitlog/commitlog.cc b/db/commitlog/commitlog.cc
index aa5341eb7e..f3a331d0cc 100644
--- a/db/commitlog/commitlog.cc
+++ b/db/commitlog/commitlog.cc
@@ -597,7 +597,8 @@ public:
         // Note: this is not a marker for when sync was finished.
         // It is when it was initiated
         reset_sync_time();
-        return _closed ? cycle(true).then([](sseg_ptr s) { return s->flush(); }) : cycle(true);
+        auto f = cycle(true);
+        return _closed ? f.then([](sseg_ptr s) { return s->flush(); }) : std::move(f);
     }
     // See class comment for info
     future<sseg_ptr> flush(uint64_t pos = 0) {