From ecb14adf554fddc53e091cce2e99c9ab5b8f3ce6 Mon Sep 17 00:00:00 2001
From: Harald Sitter <sitter@kde.org>
Date: Tue, 5 Nov 2024 21:10:21 +0100
Subject: [PATCH] give btrfs enough space to dedupe and balance

---
 build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.sh b/build.sh
index ef795b4..2475449 100755
--- a/build.sh
+++ b/build.sh
@@ -107,7 +107,7 @@ if $OUTPUT_IS_BTRFS_SUBVOLUME; then
     btrfs send --compressed-data -f "$OUTPUT.btrfs" "$OUTPUT.export"
     btrfs subvolume delete "$OUTPUT.export"
     SIZE=$(stat --format %s "$OUTPUT.btrfs") # the actual size of all data
-    SIZE=$((SIZE+268435456)) # 256M slack
+    SIZE=$((SIZE+2147483648)) # 2G slack -- this needs to be sufficient for our deduplication and balancing run. We'll shrink this way down later.
 else
     SIZE=$((SIZE+4294967296)) # 4G slack (our guess is less precise without btrfs)
 fi