From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46054) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bkurs-0005Bv-0c for qemu-devel@nongnu.org; Fri, 16 Sep 2016 11:15:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bkurq-0006Ta-2A for qemu-devel@nongnu.org; Fri, 16 Sep 2016 11:15:55 -0400 References: <1473099234-10882-1-git-send-email-kwolf@redhat.com> <1473099234-10882-28-git-send-email-kwolf@redhat.com> From: Eric Blake Message-ID: Date: Fri, 16 Sep 2016 10:15:46 -0500 MIME-Version: 1.0 In-Reply-To: <1473099234-10882-28-git-send-email-kwolf@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="wDcQCo5jCtMMk4Hha99FtsrJ55IwOBTlf" Subject: Re: [Qemu-devel] [PULL 27/42] blockdev-backup: added support for data compression List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf , qemu-block@nongnu.org Cc: qemu-devel@nongnu.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --wDcQCo5jCtMMk4Hha99FtsrJ55IwOBTlf From: Eric Blake To: Kevin Wolf , qemu-block@nongnu.org Cc: qemu-devel@nongnu.org Message-ID: Subject: Re: [Qemu-devel] [PULL 27/42] blockdev-backup: added support for data compression References: <1473099234-10882-1-git-send-email-kwolf@redhat.com> <1473099234-10882-28-git-send-email-kwolf@redhat.com> In-Reply-To: <1473099234-10882-28-git-send-email-kwolf@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 09/05/2016 01:13 PM, Kevin Wolf wrote: > From: Pavel Butsykin >=20 > The idea is simple - backup is "written-once" data. It is written block= > by block and it is large enough. It would be nice to save storage > space and compress it. >=20 > +++ b/qapi/block-core.json > @@ -939,6 +939,9 @@ > # @speed: #optional the maximum speed, in bytes per second. The defaul= t is 0, > # for unlimited. > # > +# @compress: #optional true to compress data, if the target format sup= ports it. > +# (default: false) (since 2.7) Again, 2.8. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --wDcQCo5jCtMMk4Hha99FtsrJ55IwOBTlf 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/ iQEcBAEBCAAGBQJX3AyiAAoJEKeha0olJ0Nq/3YH/3/O0CXGJdLmUuYVsBXli3qT m1RGI8pz22m6ZfteiJ5BNfaE2cpSsYWFXEnD+R4Dn8suAPgX1fb1yWQfe0xfCvCr YtJdKfPAG6a8FVrO01+NU569x98YsfDQ6sC4fL6kc/bspdXncFvbqtKnG/ZmG7oa OeVDpxNQoa/t0ITkh5GkpQcbb/saPQTu4HXvPET5xr6Oq973lMmp+jVk1rGYQB6O qnVel4QMZ+HwJVhLAqF7/gmcnqcOxE0cGMn5WUr9IYRQdFiAW+BI88tWbO164ImK mfSDKUyt8gNbiD+fHRexKRj83nhmUdsfnpfsNmmJM9+jHR43gAWlag3NfD3EcG4= =S4O2 -----END PGP SIGNATURE----- --wDcQCo5jCtMMk4Hha99FtsrJ55IwOBTlf--