From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50981) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WJDEZ-0005Ds-40 for qemu-devel@nongnu.org; Thu, 27 Feb 2014 21:31:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WJDES-0007bW-Tx for qemu-devel@nongnu.org; Thu, 27 Feb 2014 21:31:31 -0500 Received: from [222.73.24.84] (port=61917 helo=song.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WJDES-0007aT-9U for qemu-devel@nongnu.org; Thu, 27 Feb 2014 21:31:24 -0500 From: Hu Tao Date: Fri, 28 Feb 2014 10:29:29 +0800 Message-Id: Subject: [Qemu-devel] [PATCH v6 0/4] qemu-img: add preallocation=full List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , Fam Zheng , Peter Lieven , Stefan Hajnoczi This series implements full image preallocation to create a non-sparse image file at creation time, both for raw and qcow2 format. The purpose is to avoid performance deterioration of the guest cause by sparse image. v6: - add `Since 2.0' to PreallocMode - apply total_size change to raw-win32.c as well Hu Tao (4): qapi: introduce PreallocMode and a new PreallocMode full. raw, qcow2: don't convert file size to sector size raw-posix: Add full image preallocation option qcow2: Add full image preallocation option block/qcow2.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++------- block/raw-posix.c | 45 +++++++++++++++++++++------ block/raw-win32.c | 4 +-- qapi-schema.json | 14 +++++++++ 4 files changed, 132 insertions(+), 22 deletions(-) -- 1.8.0