From 2be3027fa57d071147e089c8a79033f1043ab6e6 Mon Sep 17 00:00:00 2001
From: Joonas Koivunen <joonas@neon.tech>
Date: Thu, 25 Jul 2024 09:24:15 +0000
Subject: [PATCH] doc: elaborate on weird query

---
 pageserver/src/tenant/timeline/detach_ancestor.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pageserver/src/tenant/timeline/detach_ancestor.rs b/pageserver/src/tenant/timeline/detach_ancestor.rs
index add0857763..6ec479ae26 100644
--- a/pageserver/src/tenant/timeline/detach_ancestor.rs
+++ b/pageserver/src/tenant/timeline/detach_ancestor.rs
@@ -1280,6 +1280,7 @@ pub(super) async fn detach_and_reparent(
     }
 }
 
+/// Query against a locked `Tenant::timelines`.
 fn reparentable_timelines<'a, I>(
     timelines: I,
     detached: &'a Arc<Timeline>,