From b607f0fd8e98e8153643d4e203ba4b73b59776b9 Mon Sep 17 00:00:00 2001
From: Konstantin Knizhnik <knizhnik@garret.ru>
Date: Wed, 11 Aug 2021 08:56:37 +0300
Subject: [PATCH] Align prev record CRC on 8-bytes boundary (#407)

---
 pageserver/src/object_repository.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pageserver/src/object_repository.rs b/pageserver/src/object_repository.rs
index 74dbadd82f..5d9487d6be 100644
--- a/pageserver/src/object_repository.rs
+++ b/pageserver/src/object_repository.rs
@@ -642,7 +642,7 @@ impl Timeline for ObjectTimeline {
         assert!(old <= lsn);
 
         // Use old value of last_record_lsn as prev_record_lsn
-        self.prev_record_lsn.fetch_max(old);
+        self.prev_record_lsn.fetch_max(Lsn((old.0 + 7) & !7));
 
         // Also advance last_valid_lsn
         let old = self.last_valid_lsn.advance(lsn);