From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41688) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPZ2Y-0004Td-5F for qemu-devel@nongnu.org; Thu, 04 Sep 2014 11:33:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XPZ2S-0000eg-OH for qemu-devel@nongnu.org; Thu, 04 Sep 2014 11:33:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:16995) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPZ2S-0000eV-GY for qemu-devel@nongnu.org; Thu, 04 Sep 2014 11:33:32 -0400 Date: Thu, 4 Sep 2014 16:33:26 +0100 From: "Richard W.M. Jones" Message-ID: <20140904153325.GE1302@redhat.com> References: <67d97abc587e7c6985166dbe800686938ac8adb5.1409299732.git.hutao@cn.fujitsu.com> <20140904123522.GH3897@noname.str.redhat.com> <20140904124519.GB1302@redhat.com> <20140904125257.GI3897@noname.str.redhat.com> <20140904130713.GC1302@redhat.com> <20140904131751.GK3897@noname.str.redhat.com> <20140904134307.GD1302@redhat.com> <20140904152321.GM3897@noname.str.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140904152321.GM3897@noname.str.redhat.com> Subject: Re: [Qemu-devel] [PATCH v13 5/6] raw-posix: Add full preallocation option List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf Cc: Fam Zheng , Hu Tao , qemu-devel@nongnu.org, Max Reitz , Stefan Hajnoczi , Yasunori Goto On Thu, Sep 04, 2014 at 05:23:21PM +0200, Kevin Wolf wrote: > The definition of "besteffort" depends on what you want to achieve. It > is policy, and we generally try to keep policy out of qemu. I think qemu *should* have a policy of make it work and don't fail - first - and then offer a million knobs to optimize and customize things on top of that. But whatever ... what's one more thing that we have to provide fragile workarounds for ... Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://people.redhat.com/~rjones/virt-top