Re: [Qemu-devel] [PATCH 0/4] block: Vectored bdrv_writev_vmstate

[Stefan Hajnoczi]

On Fri, Apr 05, 2013 at 09:27:52PM +0200, Kevin Wolf wrote:
> This gives us back reasonable savevm performance, which regressed in
> commit 500f0061.
> 
> Kevin Wolf (4):
>   block: Introduce bdrv_writev_vmstate
>   savevm: Implement block_writev_buffer()
>   block: Introduce bdrv_pwritev() for qcow2_save_vmstate
>   qemu-iotests: A few more bdrv_pread/pwrite tests
> 
>  block.c                       | 105 
> +++++++++++++++++++++++++++++++-----------
>  block/qcow2.c                 |   6 +--
>  block/sheepdog.c              |  13 ++++--
>  include/block/block.h         |   3 ++
>  include/block/block_int.h     |   4 +-
>  include/migration/qemu-file.h |   2 +-
>  savevm.c                      |  25 ++++++++--
>  tests/qemu-iotests/002        |  13 ++++++
>  tests/qemu-iotests/002.out    |  26 +++++++++++
>  9 files changed, 157 insertions(+), 40 deletions(-)
> 
> -- 
> 1.8.1.4

Looks fine on the block side.  Perhaps Orit, Juan, or Paolo can
double-check the migration side.

Reviewed-by: Stefan Hajnoczi <address@hidden>