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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687523986; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=udalyBgl6e8ltMzLF2g+x2AExsM4vydZYOEc06zsbUw=; b=ezn3EXPVBI4nHaAtwmRQlZSTI4Nt/Lo1JSEW8G6rzk+e/jkhl/hoz0iqUw2100egi7A/vt bXVwB+SBvjNLrybWIGjNtMYhzX5H/AwXL1rnCATxcE5MXyJAGQ5S3nm5sqh+nhhgFKsFhI A0sW+qn1OfYb0w+YvW2q+9l2BdsNN/s= X-MC-Unique: QX6xQsURNdyjk8A9tMjY8Q-1 X-Original-To: libvir-list@listman.corp.redhat.com From: Peter Krempa To: libvir-list@redhat.com Subject: [PATCH v3 3/3] NEWS: Update NEWS with new discard_no_unref option Date: Fri, 23 Jun 2023 14:39:24 +0200 Message-Id: <811f4b799ece9b47912bcc23d29b2767742515ff.1687523851.git.pkrempa@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Krempa , Jean-Louis Dupond Errors-To: libvir-list-bounces@redhat.com Sender: "libvir-list" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1687523988005100001 Content-Type: text/plain; charset="utf-8" From: Jean-Louis Dupond Signed-off-by: Jean-Louis Dupond Reviewed-by: Peter Krempa Signed-off-by: Peter Krempa --- 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 siz= es differ. + * qemu: Allow configuring the ``discard-no-unref`` feature of ``qcow2`` = driver + + The new ``discard_no_unref`` attribute of the ``disk`` ``driver`` elem= ent + controls whether the ``qcow2`` driver in qemu unrefs clusters inside t= he + image on discard requests. Disabling cluster unrefing decreases fragme= ntation + of the image. + * **Bug fixes** --=20 2.40.1