On 05.04.2017 17:18, Denis V. Lunev wrote:
> As long as BDRV_O_INACTIVE is set, the image file is only opened so we
> have a file descriptor for it. We're definitely not supposed to modify
> the image, it's still owned by the migration source.
> 
> This commit is an addition to 09e0c771 but the assert() is added to
> bdrv_truncate().
> 
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> CC: Kevin Wolf <kwolf@redhat.com>
> CC: Max Reitz <mreitz@redhat.com>
> ---
>  block.c | 2 ++
>  1 file changed, 2 insertions(+)

Thanks to the new op blockers I'm not sure this is really necessary
anymore (that assertion should cover this, once it's reinstated, that
is...), but it won't hurt, I guess.

Max