From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57904) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eEgEF-000611-Jw for qemu-devel@nongnu.org; Tue, 14 Nov 2017 13:46:36 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eEgEE-00071B-Qq for qemu-devel@nongnu.org; Tue, 14 Nov 2017 13:46:35 -0500 References: <94700229-5afe-159f-9453-f507b9c83085@redhat.com> <0c42f84d-9096-3f7b-c71d-664a119bc8a2@redhat.com> <9ab7ae12-730d-a4d4-287c-64dcd509b680@redhat.com> <1fa78bdf-65e2-c216-49a2-7277231a7141@redhat.com> From: Max Reitz Message-ID: <20253223-df8f-162d-b8c8-dfa56af9fffd@redhat.com> Date: Tue, 14 Nov 2017 19:46:25 +0100 MIME-Version: 1.0 In-Reply-To: <1fa78bdf-65e2-c216-49a2-7277231a7141@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="BoWwwvTWmUlcf14e8tNSuo3wj5nIjfd1F" Subject: Re: [Qemu-devel] using "qemu-img convert -O qcow2" to convert qcow v1 to v2 creates a qcow v3 file? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Thomas Huth , Eric Blake , Peter Maydell , QEMU Developers Cc: Kevin Wolf , Qemu-block This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --BoWwwvTWmUlcf14e8tNSuo3wj5nIjfd1F From: Max Reitz To: Thomas Huth , Eric Blake , Peter Maydell , QEMU Developers Cc: Kevin Wolf , Qemu-block Message-ID: <20253223-df8f-162d-b8c8-dfa56af9fffd@redhat.com> Subject: Re: [Qemu-devel] using "qemu-img convert -O qcow2" to convert qcow v1 to v2 creates a qcow v3 file? References: <94700229-5afe-159f-9453-f507b9c83085@redhat.com> <0c42f84d-9096-3f7b-c71d-664a119bc8a2@redhat.com> <9ab7ae12-730d-a4d4-287c-64dcd509b680@redhat.com> <1fa78bdf-65e2-c216-49a2-7277231a7141@redhat.com> In-Reply-To: <1fa78bdf-65e2-c216-49a2-7277231a7141@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 2017-11-14 19:45, Thomas Huth wrote: > On 14.11.2017 14:32, Max Reitz wrote: > [...] >> Well, do you want to document it? I'd rather deprecate it altogether.= >=20 > Maybe a first step could be to change qemu-img so that it refuses to > create new qcow1 images (but still can convert them into other formats)= =2E > So basically make qcow1 read-only? Yep, and the actual first step to that is to make it issue a deprecation warning when creating qcow v1 images (which is what I proposed). :-) Max --BoWwwvTWmUlcf14e8tNSuo3wj5nIjfd1F Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQFGBAEBCAAwFiEEkb62CjDbPohX0Rgp9AfbAGHVz0AFAloLOgESHG1yZWl0ekBy ZWRoYXQuY29tAAoJEPQH2wBh1c9AM/8H/0mRHWfPbg7yU/06BgCavywgTITHzVxX gP/7nCEoej/JBeXBrmfROWBvBcdoMkX8nd29KxUZKxB3Z4u8RxBIhgXWOQ6TTxa5 Bd9RKuq4ZAP73nE6N1sbCjoYeOMwoBWJSOlugCma7seUZqAS5gcz0BU1xOi/Worn gYe0zDo+dyAK04o2mNjaoUeeA5BOZks7Zsq0jB7FDDTN9z0Y9gL5bs/eZidvfscu 7SRB08ZWj5rRoUFxlQGDka104nspVQsSvc0wAIHjZ120QwKt/r/07X75BjNB0gem /B+9s87fEISDDxDijT+t/4xr7vKSJZ3Zj3U+VcaKgWzY58JMuXIUaec= =O4rd -----END PGP SIGNATURE----- --BoWwwvTWmUlcf14e8tNSuo3wj5nIjfd1F--