From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: RednedEpic <redned235@gmail.com>
Date: Thu, 27 Apr 2023 23:09:13 -0700
Subject: [PATCH] PaperPR #9149 Flush region files on save


diff --git a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
index 830d863cd9665d58875bfa5ca2bcd22f89ab2d49..51018f8b7176c72231fc0d0c23878659ab5c1b5b 100644
--- a/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
+++ b/src/main/java/io/papermc/paper/chunk/system/scheduling/ChunkHolderManager.java
@@ -257,6 +257,11 @@ public final class ChunkHolderManager {
         }
         if (flush) {
             RegionFileIOThread.flush();
+            try {
+                this.world.chunkSource.chunkMap.regionFileCache.flush();
+            } catch (IOException ex) {
+                LOGGER.error("Exception when flushing regions in world {}", this.world.getWorld().getName(), ex);
+            }
         }
         if (logProgress) {
             LOGGER.info("Saved " + savedChunk + " block chunks, " + savedEntity + " entity chunks, " + savedPoi + " poi chunks in world '" + this.world.getWorld().getName() + "' in " + format.format(1.0E-9 * (System.nanoTime() - start)) + "s");