From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:36912) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UGVyN-0000hg-AE for qemu-devel@nongnu.org; Fri, 15 Mar 2013 10:51:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UGVyK-00054D-QN for qemu-devel@nongnu.org; Fri, 15 Mar 2013 10:51:07 -0400 Received: from mail-bk0-x231.google.com ([2a00:1450:4008:c01::231]:62788) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UGVyK-00053f-IG for qemu-devel@nongnu.org; Fri, 15 Mar 2013 10:51:04 -0400 Received: by mail-bk0-f49.google.com with SMTP id w11so1575150bku.36 for ; Fri, 15 Mar 2013 07:51:03 -0700 (PDT) Date: Fri, 15 Mar 2013 15:51:00 +0100 From: Stefan Hajnoczi Message-ID: <20130315145100.GA17187@stefanha-thinkpad.redhat.com> References: <5142CCB6.7000004@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5142CCB6.7000004@linux.vnet.ibm.com> Subject: Re: [Qemu-devel] [RFC] qmp interface for save vmstate to image List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Wenchao Xia Cc: Kevin Wolf , Juan Quintela , qemu-devel , Paolo Bonzini , Dietmar Maurer On Fri, Mar 15, 2013 at 03:24:38PM +0800, Wenchao Xia wrote: > I'd like to add a new way to save vmstate, which will based on the > migration thread, but will write contents to block images, instead > of fd as stream. Following is the method to add API: Hi Wenchao, What use cases are there besides saving vmstate to a raw image? I'm curious if you're proposing this since there is no "file:" URI or because you really want to do things like saving vmstate into a qcow2 file or over NBD. Stefan