From 69cfa9fe618a9907ec75fb730aa32acc392edcc3 Mon Sep 17 00:00:00 2001
From: Christian Schwarz <christian@neon.tech>
Date: Wed, 24 May 2023 17:20:03 +0200
Subject: [PATCH] launch_wal_receiver: apply joonas's review suggestion
 (visibility + doc comment)

---
 pageserver/src/tenant/timeline.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pageserver/src/tenant/timeline.rs b/pageserver/src/tenant/timeline.rs
index be6dc0770d..ba0cd29361 100644
--- a/pageserver/src/tenant/timeline.rs
+++ b/pageserver/src/tenant/timeline.rs
@@ -1468,7 +1468,11 @@ impl Timeline {
         *flush_loop_state = FlushLoopState::Running;
     }
 
-    pub(super) fn launch_wal_receiver(
+    /// Creates and starts the wal receiver.
+    ///
+    /// This function is expected to be called at most once per Timeline's lifecycle
+    /// when the timeline is activated.
+    fn launch_wal_receiver(
         self: &Arc<Self>,
         ctx: &RequestContext,
         broker_client: BrokerClientChannel,