qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH] block/stream: Don't stream unbacked devices


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH] block/stream: Don't stream unbacked devices
Date: Fri, 15 Nov 2013 09:18:11 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

On Thu, Nov 14, 2013 at 03:07:09PM +0100, Paolo Bonzini wrote:
> Il 14/11/2013 14:41, Stefan Hajnoczi ha scritto:
> But such a no-op streaming is valid, just like it is valid to
> enable copy-on-read without a backing file.  Think of a system that
> starts streaming a disk as soon as the VM starts, because *if* there's a
> backing file it knows it is just a template on a remote/slow filesytem.
>  It's easier for such a system to invoke the command even if there's no
> backing file.

Since making it an error breaks the API now, let's take this patch and
move on.

I still think it could help users that are issuing the command
incorrectly, but there's not much we can do about that now.

Stefan



reply via email to

[Prev in Thread] Current Thread [Next in Thread]