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d=redhat.com; s=mimecast20190719; t=1690341121; 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:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=ZWDX/+mE0J+prON7KjefuKiR4KJpyrjFQbdbutQlwQc=; b=gkp7qQPi+if6ueg7Slbaoi72tl5gAVv7nUIuGUWP/Nnj6G6H7g+I674uKNdRZdI6TSIWbD bNv5KsPr6v20EpiWL2Vk9X0mdKrLN0/z4CPOb7N1LqLQY2GjDmJBBR1thKeunfRiiuEMMM x0mdTTtR5Ut/D2rqtnY5e27POK44eV8= X-MC-Unique: s2fXBOqONViWfvWbcuc83w-1 X-Original-To: libvir-list@listman.corp.redhat.com From: Han Han To: libvir-list@redhat.com Subject: [PATCH] docs: formatdomain: Mention the QEMU requirement for discard_no_unref Date: Wed, 26 Jul 2023 11:11:39 +0800 Message-ID: <20230726031144.503890-1-hhan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 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: Han Han Errors-To: libvir-list-bounces@redhat.com Sender: "libvir-list" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 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: 1690341124799100001 Content-Type: text/plain; charset="utf-8"; x-default="true" Signed-off-by: Han Han Reviewed-by: Martin Kletzander --- docs/formatdomain.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index 973de8dd4f..cd9cb02bf8 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -3296,7 +3296,8 @@ paravirtualized driver is specified via the ``disk`` = element. image. When enabled, a discard request from within the guest will ma= rk the qcow2 cluster as zero, but will keep the reference/offset of that cl= uster. But it will still pass the discard further to the lower layer. - This will resolve fragmentation within the qcow2 image. :since:`Sinc= e 9.5.0` + This will resolve fragmentation within the qcow2 image. :since:`Sinc= e 9.5.0 + (QEMU 8.1)` =20 In the majority of cases the default configuration used by the hyper= visor is sufficient so modifying this setting should not be necessary. For --=20 2.41.0