From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60085) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wjs6D-0007pI-Ud for qemu-devel@nongnu.org; Mon, 12 May 2014 11:25:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wjs68-0003Cx-M8 for qemu-devel@nongnu.org; Mon, 12 May 2014 11:25:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:23369) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wjs68-0003Cp-Cf for qemu-devel@nongnu.org; Mon, 12 May 2014 11:25:00 -0400 Message-ID: <5370E6A0.3030406@redhat.com> Date: Mon, 12 May 2014 09:20:00 -0600 From: Eric Blake MIME-Version: 1.0 References: <1399898143-28288-1-git-send-email-ncmike@ncultra.org> <5370E340.5090401@redhat.com> <20140512151356.GC4371@noname.redhat.com> In-Reply-To: <20140512151356.GC4371@noname.redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="99BLcJ1cE5iEAhLaHc6jgloFVVsDOxURU" Subject: Re: [Qemu-devel] [PATCH] Add backing file option to qemu-img create help. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf Cc: Mike Day , qemu-devel@nongnu.org, stefanha@redhat.com This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --99BLcJ1cE5iEAhLaHc6jgloFVVsDOxURU Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 05/12/2014 09:13 AM, Kevin Wolf wrote: > Am 12.05.2014 um 17:05 hat Eric Blake geschrieben: >> On 05/12/2014 06:35 AM, Mike Day wrote: >>> For the create subcommand the backing file (-b) option is documented >>> on-line but not in the binary. Add it. Online where? In 'qemu-img --help', or on some web page (at what URL)? >> is -o considered to be preferred over -b, as an explanation for why it= >> is not documented? >=20 > Yes, it is. -b was documented before -o backing_file existed. Commit > 8063d0fe removed it. If anything, that says we need to fix whatever "documented on-line" source was documenting something that we want to be obsolete; and maybe tweak qemu-img to be verbose about warning on the use of deprecated options. But this patch would go in the wrong direction of reviving intentionally undocumented code. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --99BLcJ1cE5iEAhLaHc6jgloFVVsDOxURU Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJTcOagAAoJEKeha0olJ0NqrwsIAIAttxidK0JOoi9wmoSlzLxS G4aIMevkD1H6Mg+fCcgmLN8d9diztm/mkKXZHzPgudotKESkOMI9SDFOs6siH2Ox rAaHI0DcZgRP7dE7RHT+nCf4N4MkSk7E/OsWfTcHmEpXN3L0Mtd7WLoT941ExnGC PHWOr4SfGtf5Ff7cLVbPu689WIKipRc5EHXxwGLI3SLzttHpHSb/bwyZi/Csfdvg vzcLQHjus4oVQEPV0VUFAKUJalUFHVo3XH4qBX5uZ3kOAxcoDe6pjdlUZdZoStsd Lwpw9WQKQwhgIbCVUDGsRh11al+F3Z02rvSnTLYI5BXM1IFKCZrv0x5JzvKL/+A= =KDGg -----END PGP SIGNATURE----- --99BLcJ1cE5iEAhLaHc6jgloFVVsDOxURU--