Re: [Qemu-devel] [PATCH 13/19] block/parallels: store ParallelsHeader to the BDRVParallelsState

[Roman Kagan]

On Tue, Dec 30, 2014 at 01:07:06PM +0300, Denis V. Lunev wrote:
> This would be useful for the future for speed optimizations of new block
> creation in the image. At the moment each write to the catalog bitmap
> results in read-modify-write transaction. It would be beneficial to
> write by pages or sectors. Though in order to do that for the begining
> of the image we should keep the header somethere to obtain first sector
> of the image properly. BDRVParallelsState would be a good place for that.
> 
> Signed-off-by: Denis V. Lunev <address@hidden>
> CC: Kevin Wolf <address@hidden>
> CC: Stefan Hajnoczi <address@hidden>
> ---
>  block/parallels.c | 19 ++++++++++---------
>  1 file changed, 10 insertions(+), 9 deletions(-)

Acked-by: Roman Kagan <address@hidden>

Roman.