Re: [Qemu-block] [Qemu-devel] [PATCH v3 0/2] backup: Use copy offloading

[Stefan Hajnoczi]

On Tue, Jun 05, 2018 at 10:06:29PM +0800, Fam Zheng wrote:
> Based-on: <address@hidden>
> ([PATCH v7 00/10] qemu-img convert with copy offloading)
> 
> This enhances the backup job to make use of the copy offloading API. It
> eliminates the necessity to use the bounce buffer as well as speeding up the
> copy operation when the backend supports it.
> 
> v3: Don't forget coroutine_fn. [Stefan]
>     Don't reset job->use_copy_range redundantly. [Stefan]
> 
> v2: Use helper functions. [Stefan]
> 
> Fam Zheng (2):
>   block: Honour BDRV_REQ_NO_SERIALISING in copy range
>   backup: Use copy offloading
> 
>  block/backup.c        | 150 ++++++++++++++++++++++++++++++------------
>  block/io.c            |   6 +-
>  block/trace-events    |   1 +
>  include/block/block.h |   5 +-
>  4 files changed, 117 insertions(+), 45 deletions(-)
> 
> -- 
> 2.17.0
> 
> 

Reviewed-by: Stefan Hajnoczi <address@hidden>

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