From: Jean-Louis Dupond <jean-louis@xxxxxxxxx>
Signed-off-by: Jean-Louis Dupond <jean-louis@xxxxxxxxx>
Reviewed-by: Peter Krempa <pkrempa@xxxxxxxxxx>
Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
NEWS.rst | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/NEWS.rst b/NEWS.rst
index c520a96177..950b188a8b 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -26,6 +26,13 @@ v9.5.0 (unreleased)
compatible with all hosts even if their supported physical address sizes
differ.
+ * qemu: Allow configuring the ``discard-no-unref`` feature of ``qcow2`` driver
+
+ The new ``discard_no_unref`` attribute of the ``disk`` ``driver`` element
+ controls whether the ``qcow2`` driver in qemu unrefs clusters inside the
+ image on discard requests. Disabling cluster unrefing decreases fragmentation
+ of the image.
+
* **Bug fixes**
--
2.40.1
