From e18b7ed59149d8b440bb111d188e0725e9e9fe78 Mon Sep 17 00:00:00 2001
From: Luke Yelavich <9444357+TheMuso@users.noreply.github.com>
Date: Wed, 22 May 2024 08:59:28 +1000
Subject: [PATCH] feat: Disable copy on write for qcow2 disk images on btrfs

According to qemu-img documentation, it is a no-op for other filesystems.
---
 quickemu | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/quickemu b/quickemu
index 451de95..f2bd9df 100755
--- a/quickemu
+++ b/quickemu
@@ -798,7 +798,7 @@ function configure_storage() {
         esac
 
         case ${disk_format} in
-            qcow2) create_options="lazy_refcounts=on,preallocation=${preallocation}";;
+            qcow2) create_options="lazy_refcounts=on,preallocation=${preallocation},nocow=on";;
             raw) create_options="preallocation=${preallocation}";;
             *) true;;
         esac