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NEWS: Update NEWS with new discard_no_unref option

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Signed-off-by: Jean-Louis Dupond <jean-louis@dupond.be>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
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Jean-Louis Dupond 2023-06-09 12:47:37 +02:00 committed by Peter Krempa
parent b855f8ea1e
commit 2fbc1b05d9
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NEWS.rst
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@ -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**