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Re: [Qemu-devel] [PATCH 13/19] block/parallels: store ParallelsHeader to
From: |
Roman Kagan |
Subject: |
Re: [Qemu-devel] [PATCH 13/19] block/parallels: store ParallelsHeader to the BDRVParallelsState |
Date: |
Tue, 13 Jan 2015 17:13:57 +0300 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
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.
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- Re: [Qemu-devel] [PATCH 13/19] block/parallels: store ParallelsHeader to the BDRVParallelsState,
Roman Kagan <=