From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:48683) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1THFE8-0002ft-8m for qemu-devel@nongnu.org; Thu, 27 Sep 2012 10:38:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1THFDz-0003vy-QM for qemu-devel@nongnu.org; Thu, 27 Sep 2012 10:38:08 -0400 Received: from paradis.irqsave.net ([109.190.18.76]:41109) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1THFDz-0003vs-Hi for qemu-devel@nongnu.org; Thu, 27 Sep 2012 10:37:59 -0400 From: =?UTF-8?q?Beno=C3=AEt=20Canet?= Date: Thu, 27 Sep 2012 16:29:56 +0200 Message-Id: <1348756198-10845-1-git-send-email-benoit@irqsave.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [partial RFC 0/2] QCow2 deduplication write mechanism List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pbonzini@redhat.com, stefanha@linux.vnet.ibm.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= This patchset introduce a partial implementation of a deduplication mecha= nism for QCow2. This patchset layout the disk format changes in the qcow2 spec and provide a partial implementation of the write mechanisms. Albeit being partial this is posted to get an early feedback and see if things are on track. Beno=C3=AEt Canet (2): qcow2: modify spec for deduplication qcow2: Deduplication write mechanism. block/Makefile.objs | 2 +- block/qcow2-dedup.c | 368 ++++++++++++++++++++++++++++++++++++++++++++= ++++++ block/qcow2.c | 74 +++++++++- block/qcow2.h | 40 +++++- docs/specs/qcow2.txt | 6 +- 5 files changed, 486 insertions(+), 4 deletions(-) create mode 100644 block/qcow2-dedup.c --=20 1.7.10.4