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-project · May 21, 2024 · 2e98ee5 · 2e98ee5
1 parent edfd812
commit 2e98ee5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/quickemu b/quickemu
@@ -791,7 +791,7 @@ 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