Re: [Qemu-devel] [PATCH v5 4/9] qcow2: make refcount size calculation conservative

[Alberto Garcia]

On Tue 18 Apr 2017 03:57:21 PM CEST, Stefan Hajnoczi wrote:
> The refcount metadata size calculation is inaccurate and can produce
> numbers that are too small.  This is bad because we should calculate a
> conservative number - one that is guaranteed to be large enough.
>
> This patch switches the approach to a fixed point calculation because
> the existing equation is hard to solve when inaccuracies are taken care
> of.
>
> Signed-off-by: Stefan Hajnoczi <address@hidden>

Reviewed-by: Alberto Garcia <address@hidden>

(I think I had already reviewed this in v4? I haven't seen any further
changes)

Berto