From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:34242) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1THFcZ-0004Ab-83 for qemu-devel@nongnu.org; Thu, 27 Sep 2012 11:03:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1THFcO-0005bA-Jl for qemu-devel@nongnu.org; Thu, 27 Sep 2012 11:03:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:31836) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1THFcO-0005ae-BZ for qemu-devel@nongnu.org; Thu, 27 Sep 2012 11:03:12 -0400 Message-ID: <50646A7C.7050304@redhat.com> Date: Thu, 27 Sep 2012 09:02:20 -0600 From: Eric Blake MIME-Version: 1.0 References: <1348756198-10845-1-git-send-email-benoit@irqsave.net> <1348756198-10845-2-git-send-email-benoit@irqsave.net> In-Reply-To: <1348756198-10845-2-git-send-email-benoit@irqsave.net> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------enig57B67F5D2900E1922AD3388E" Subject: Re: [Qemu-devel] [partial RFC 1/2] qcow2: modify spec for deduplication List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?B?QmVub8OudCBDYW5ldA==?= Cc: kwolf@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org, stefanha@linux.vnet.ibm.com This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig57B67F5D2900E1922AD3388E Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 09/27/2012 08:29 AM, Beno=C3=AEt Canet wrote: > --- > docs/specs/qcow2.txt | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) >=20 > diff --git a/docs/specs/qcow2.txt b/docs/specs/qcow2.txt > index 36a559d..e8bc189 100644 > --- a/docs/specs/qcow2.txt > +++ b/docs/specs/qcow2.txt > @@ -80,7 +80,10 @@ in the description of a field. > tables to repair refcounts before acce= ssing the > image. > =20 > - Bits 1-63: Reserved (set to 0) > + Bit 1: Deduplication bit. If this bit is set= then > + deduplication is used on this image. > + > + Bits 2-63: Reserved (set to 0) > =20 > 80 - 87: compatible_features > Bitmask of compatible features. An implementation = can > @@ -116,6 +119,7 @@ be stored. Each extension has a structure like the = following: > 0x00000000 - End of the header extension area > 0xE2792ACA - Backing file format name > 0x6803f857 - Feature name table > + 0xCD8E819B - Deduplication table offset and le= ngth Missing a description of what this looks like (see the section on '=3D=3D= Feature name table =3D=3D' for comparison). --=20 Eric Blake eblake@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --------------enig57B67F5D2900E1922AD3388E Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Mozilla - http://www.enigmail.net/ iQEcBAEBCAAGBQJQZGp8AAoJEKeha0olJ0NqYhgH/RhXRXz+Iss8htfKAcm8jq2B QazPVw80vZQpkHPeurtpMSRNdPniQOutgglRRSxjVQDk614nAX+JvYCjUrs/zvje Y+w24dDQ3OT51o4I8RBcUFfNpJRblnnx1HX0brAKumN0GwUzEo270P8zgqVxjHC+ e4YxQNXXQhT4EvkJ5im8hp5SjWnmb86LaBnDNA0sZiHxw+2SjPFOO5mdCpSqAczL 7VzYWXyQXhltWJx2fjHu7scHS6BUFkiKM0fKDUDeiD475Q02X6+2gLsMBiS1TOah 14ZtKWOfbHdPH6k4Jj+MX6qdRb6yHLJxkIUIlzHWD64kQhsvwi94V8pckr84Jos= =iVWX -----END PGP SIGNATURE----- --------------enig57B67F5D2900E1922AD3388E--