From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:60692) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rnujq-0006FZ-M0 for qemu-devel@nongnu.org; Thu, 19 Jan 2012 11:21:28 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rnuji-00056U-3z for qemu-devel@nongnu.org; Thu, 19 Jan 2012 11:21:21 -0500 Received: from mx1.redhat.com ([209.132.183.28]:19384) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rnujh-00056I-Sc for qemu-devel@nongnu.org; Thu, 19 Jan 2012 11:21:14 -0500 Message-ID: <4F1843B7.8060907@redhat.com> Date: Thu, 19 Jan 2012 17:24:23 +0100 From: Kevin Wolf MIME-Version: 1.0 References: <20111111064707.15024.69847.sendpatchset@skannery.in.ibm.com> In-Reply-To: <20111111064707.15024.69847.sendpatchset@skannery.in.ibm.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [v9 Patch 0/6]Qemu: Host pagecache setting from cmdline and monitor List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Supriya Kannery Cc: Stefan Hajnoczi , Luiz Capitulino , qemu-devel@nongnu.org, Christoph Hellwig Am 11.11.2011 07:47, schrieb Supriya Kannery: > Following patchset is for enabling dynamic change of > host pagecache setting of block devices through qemu > monitor. > > This patchset introduces > a. monitor command 'block_set_hostcache' using which host > pagecache setting for a block device can be changed > dynamically. > b. a new option for setting host cache from qemu > commandline option -drive "hostcache=on/off". > c. BDRVReopenState, a generic structure which can be > extended by each of the block drivers to reopen > respective image files. > Extension of this structure for drivers raw-posix > is done here. > Note: 'hostcache and 'cache' options when used together, > cache=xx will override hostcache=yy. Are you going to submit a v10 of the series? It would be great to have this functionality in qemu 1.1. Kevin