Re: [PATCH v2 1/2] qcow2-bitmaps: fix qcow2_can_store_new_dirty_bitmap

[Max Reitz]

On 14.10.19 13:51, Vladimir Sementsov-Ogievskiy wrote:
> qcow2_can_store_new_dirty_bitmap works wrong, as it considers only
> bitmaps already stored in the qcow2 image and ignores persistent
> BdrvDirtyBitmap objects.
> 
> So, let's instead count persistent BdrvDirtyBitmaps. We load all qcow2
> bitmaps on open, so there should not be any bitmap in the image for
> which we don't have BdrvDirtyBitmaps version. If it is - it's a kind of
> corruption, and no reason to check for corruptions here (open() and
> close() are better places for it).
> 
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---
>  block/qcow2-bitmap.c | 41 ++++++++++++++++++-----------------------
>  1 file changed, 18 insertions(+), 23 deletions(-)

Am I right in interpreting qcow2_load_dirty_bitmaps() in such a way that
every persistent dirty bitmap will cause a runtime dirty bitmap to be
created?

If so:

Reviewed-by: Max Reitz <address@hidden>

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