From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53190) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bPX24-0008UL-Cg for qemu-devel@nongnu.org; Tue, 19 Jul 2016 11:34:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bPX22-0006ss-89 for qemu-devel@nongnu.org; Tue, 19 Jul 2016 11:34:03 -0400 References: <1468901281-22858-1-git-send-email-eblake@redhat.com> <2011178647.8409578.1468918439390.JavaMail.zimbra@redhat.com> From: Eric Blake Message-ID: <578E4863.3030700@redhat.com> Date: Tue, 19 Jul 2016 09:33:55 -0600 MIME-Version: 1.0 In-Reply-To: <2011178647.8409578.1468918439390.JavaMail.zimbra@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="E0eJCSrQU9LSawpuNFjbcvhA6bWRC4pH5" Subject: Re: [Qemu-devel] [PATCH for-2.7 v5 00/14] nbd: efficient write zeroes List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --E0eJCSrQU9LSawpuNFjbcvhA6bWRC4pH5 From: Eric Blake To: Paolo Bonzini Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org Message-ID: <578E4863.3030700@redhat.com> Subject: Re: [PATCH for-2.7 v5 00/14] nbd: efficient write zeroes References: <1468901281-22858-1-git-send-email-eblake@redhat.com> <2011178647.8409578.1468918439390.JavaMail.zimbra@redhat.com> In-Reply-To: <2011178647.8409578.1468918439390.JavaMail.zimbra@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 07/19/2016 02:53 AM, Paolo Bonzini wrote: >=20 >> The upstream NBD protocol is proposing an extension for efficient >> write zeroes; having a qemu implementation will be one of the reasons >> to promote the proposal from experimental to standard: >> https://github.com/yoe/nbd/blob/extension-write-zeroes/doc/proto.md >> >> v4 was here: >> https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg07463.html >> >> Prerequisites: >> v3 Auto-fragment large transactions at the block layer: >> https://lists.gnu.org/archive/html/qemu-devel/2016-07/msg03550.html >> v2 byte-based block discard: >> https://lists.gnu.org/archive/html/qemu-devel/2016-07/msg03592.html >> >> Also available as a tag at: >> git fetch git://repo.or.cz/qemu/ericb.git nbd-zero-v5 >> >> changes since v4: >> - patch 2 - Rebase to latest >> - patch 6, 10 - Address review comments [Paolo] >> - patch 14 - Update commit message to address review comments [Paolo] >=20 > I'm sorry, it's too late for 2.7 now. Fair enough. I'll pull out the bug fixes (at least 1/14 is still 2.7 material) and re-submit those along with the other pending block bug fixes that I need to do in hard freeze (iscsi with the 15M unmap/zero granularity). --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --E0eJCSrQU9LSawpuNFjbcvhA6bWRC4pH5 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/ iQEcBAEBCAAGBQJXjkhjAAoJEKeha0olJ0NqejgH/iI8TOQ8cRFfDHS/q6C46avy 8Erxzrw5qq8eTsu7k/DsPryjABbK+PQOulQRnXyTLtsoZRoqBqKSXeADpaO7F75W 37scrNxBRnEMoibTJea38recauK2ZHbuleEZrHLNJdc7LJFZ9g1Veigu+nn0/PMw xqJ01zh3Ug/d5Yz3adpHp2y7mWKKhCnS05m3tNKDT5Q+wz45IBCQSKIcsD+DeGFY DSP5R+3Et5KGb2iK7OL/dRMrYQJVlqVxfTusxvcY4vllV23Z8F/Gke19fOi0sKjQ CChMVwvQgwTDlqW+ajJ9YEk3I5ipDAG5zknNUYrhjvmygxBYUJ82Vs6x7RN2iQs= =Kxq3 -----END PGP SIGNATURE----- --E0eJCSrQU9LSawpuNFjbcvhA6bWRC4pH5--