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,
Il 14/11/2013 14:41, Stefan Hajnoczi ha scritto:
> Thanks for raising this, it's a bug that we don't verify that the image
> has a backing file.
>
> I'd rather return an error that the user attempted to do something
> pointless. It was a mistake on their part and it helps to bring this to
> their
On 11/14/2013 06:41 AM, Stefan Hajnoczi wrote:
> On Wed, Nov 13, 2013 at 08:37:58PM +0100, Max Reitz wrote:
>> If a block device is unbacked, a streaming blockjob should immediately
>> finish instead of beginning to try to stream, then noticing the backing
>> file does not contain even the first se
On Wed, Nov 13, 2013 at 08:37:58PM +0100, Max Reitz wrote:
> If a block device is unbacked, a streaming blockjob should immediately
> finish instead of beginning to try to stream, then noticing the backing
> file does not contain even the first sector (since it does not exist)
> and then finishing
Am 13.11.2013 um 20:37 hat Max Reitz geschrieben:
> If a block device is unbacked, a streaming blockjob should immediately
> finish instead of beginning to try to stream, then noticing the backing
> file does not contain even the first sector (since it does not exist)
> and then finishing normally.
δΊ 2013/11/14 3:37, Max Reitz ει:
> If a block device is unbacked, a streaming blockjob should immediately
> finish instead of beginning to try to stream, then noticing the backing
> file does not contain even the first sector (since it does not exist)
> and then finishing normally.
>
> Signed-off-
If a block device is unbacked, a streaming blockjob should immediately
finish instead of beginning to try to stream, then noticing the backing
file does not contain even the first sector (since it does not exist)
and then finishing normally.
Signed-off-by: Max Reitz
---
block/stream.c | 5 +
