From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57215) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z0hVz-0003Zp-2Y for qemu-devel@nongnu.org; Thu, 04 Jun 2015 22:37:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z0hVy-0005Xb-1D for qemu-devel@nongnu.org; Thu, 04 Jun 2015 22:37:47 -0400 Message-ID: <55710B73.7020204@redhat.com> Date: Thu, 04 Jun 2015 20:37:39 -0600 From: Eric Blake MIME-Version: 1.0 References: <1433463642-21840-1-git-send-email-jsnow@redhat.com> <1433463642-21840-3-git-send-email-jsnow@redhat.com> In-Reply-To: <1433463642-21840-3-git-send-email-jsnow@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jdK2CoCQVcXNhgn9PMhcamtqrQVkN2PS2" Subject: Re: [Qemu-devel] [PATCH 2/9] hbitmap: add hbitmap_copy List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: John Snow , qemu-block@nongnu.org Cc: kwolf@redhat.com, jcody@redhat.com, qemu-devel@nongnu.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --jdK2CoCQVcXNhgn9PMhcamtqrQVkN2PS2 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 06/04/2015 06:20 PM, John Snow wrote: > It would be nice to have the flexibility to decide that > we would like multiple backup chains (perhaps of differing > frequency, or stored at different sites -- who knows.) >=20 > If the user didn't have the foresight to add all the requisite > bitmaps before the drive was engaged, the copy function will > allow them to later differentiate an incremental backup chain > into two or more chains at will. >=20 > hbitmap_copy here is just the primitive to make copies of the > implementation bitmap. >=20 > Signed-off-by: John Snow > --- > include/qemu/hbitmap.h | 9 +++++++++ > util/hbitmap.c | 17 +++++++++++++++++ > 2 files changed, 26 insertions(+) >=20 Reviewed-by: Eric Blake --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --jdK2CoCQVcXNhgn9PMhcamtqrQVkN2PS2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJVcQtzAAoJEKeha0olJ0NqwJEH/jl2YNrePr/E8G7Q3nj3EO4e DusJ7yvrNVGYW3VfVyMvdtPpPPir3SWTYgsPgO2m0Gq11779wUa7lzhJzaTf7VlY T26X7KD/t9Y5SPZezY/6av3LktF+hQUBfDJrKNA9AC/dFHgfZK7IK1FVHdb0oTYV 80TjL6mltHFykYzA9ElGV/u+xZKrhBWKwjca+YMyUEXTjgVGgi0rqodhK6AkX5/e sN4WPQ0JegGQqetoROwHVNvgEGp06CBJVcvtE4kM10WIsB55EuRhdCooh83UYlL1 L3XreAcdk+GxOVkYQ0Kg2d6HiE+4wn7WhxnMfplCfaFPbjp4EHyrfPbrrom4reQ= =Eiiu -----END PGP SIGNATURE----- --jdK2CoCQVcXNhgn9PMhcamtqrQVkN2PS2--