From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33537) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YLaEB-0004HP-LT for qemu-devel@nongnu.org; Wed, 11 Feb 2015 11:33:28 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YLaE6-0006UJ-IE for qemu-devel@nongnu.org; Wed, 11 Feb 2015 11:33:27 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55160) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YLaE6-0006U6-AY for qemu-devel@nongnu.org; Wed, 11 Feb 2015 11:33:22 -0500 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t1BGXKRf014371 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Wed, 11 Feb 2015 11:33:21 -0500 Date: Wed, 11 Feb 2015 17:33:18 +0100 From: Kevin Wolf Message-ID: <20150211163318.GD5572@noname.str.redhat.com> References: <1423671788-31716-1-git-send-email-kwolf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1423671788-31716-1-git-send-email-kwolf@redhat.com> Subject: Re: [Qemu-devel] [PATCH] vpc: Implement bdrv_co_get_status() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: stefanha@redhat.com Am 11.02.2015 um 17:23 hat Kevin Wolf geschrieben: > This implements bdrv_co_get_status() for VHD images. This can s/bdrv_co_get_status/bdrv_co_get_block_status/, obviously (in the subject as well). > significantly speed up qemu-img convert operation because only with this > function implemented sparseness can be considered. (Before, converting a > 1 TB empty image took several minutes for me, now it's instantaneous.) > > Signed-off-by: Kevin Wolf Kevin