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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200205110248.2009589-2-david.edmondson@oracle.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="au1CWXuuTQzFcGdep76JxAaXKV3Vl2FV6" X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-block@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --au1CWXuuTQzFcGdep76JxAaXKV3Vl2FV6 Content-Type: multipart/mixed; boundary="Ac2VBxvt8giiHdgOQ1G3BCOS0W4J0WFOf" --Ac2VBxvt8giiHdgOQ1G3BCOS0W4J0WFOf Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 05.02.20 12:02, David Edmondson wrote: > In many cases the target of a convert operation is a newly provisioned > target that the user knows is blank (reads as zero). In this situation > there is no requirement for qemu-img to wastefully zero out the entire > device. >=20 > Add a new option, --target-is-zero, allowing the user to indicate that > an existing target device will return zeros for all reads. >=20 > Signed-off-by: David Edmondson > --- > docs/interop/qemu-img.rst | 9 ++++++++- > qemu-img-cmds.hx | 4 ++-- > qemu-img.c | 26 +++++++++++++++++++++++--- > 3 files changed, 33 insertions(+), 6 deletions(-) Thanks, I=E2=80=99ve applied the patch to my block branch: https://git.xanclic.moe/XanClic/qemu/commits/branch/block Max --Ac2VBxvt8giiHdgOQ1G3BCOS0W4J0WFOf-- --au1CWXuuTQzFcGdep76JxAaXKV3Vl2FV6 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEkb62CjDbPohX0Rgp9AfbAGHVz0AFAl49QdEACgkQ9AfbAGHV z0ANJAf+LfrRHIrlGJfoTogLYC0dR5I0VNIw7ID4X1qJwucQeyYX2FmYgso4Bte0 ZZuG+l9lXm/8TkPjSDHwkLtAFjOEH9SwQyfOirFiEezrm3zJfFezxhub47jGVXwN 48wsdyuRSRJg5NPME9RaMZW2wuaiisP+khCphPQfIh0w5t0FzLxAceSnRA1kdZ7L +/b5WQooTiYU/07Dq1lWrN3LU8GgecfgnCDZpDACVQGTfQw9AN25m/fsAKGu/WIq vjssZJRqAfMQNYUNJDMvvcgJaXED4myZJXY329SsZ6keUBolzrp7rmaAkN/mRSM8 O0U/+VeLjPYVM1pVcr+6Np2ozETSPw== =Yo5x -----END PGP SIGNATURE----- --au1CWXuuTQzFcGdep76JxAaXKV3Vl2FV6--