Re: [Qemu-devel] [Qemu-block] [PATCH 4/8] throttle: Add throttle group support

[Stefan Hajnoczi]

On Tue, May 19, 2015 at 03:24:32PM +0300, Alberto Garcia wrote:
> The throttle group support use a cooperative round robin scheduling
> algorithm.
> 
> The principles of the algorithm are simple:
> - Each BDS of the group is used as a token in a circular way.
> - The active BDS computes if a wait must be done and arms the right
>   timer.
> - If a wait must be done the token timer will be armed so the token
>   will become the next active BDS.
> 
> Signed-off-by: Alberto Garcia <address@hidden>
> ---
>  block.c                         |  15 +--
>  block/io.c                      |  75 +++-----------
>  block/qapi.c                    |   5 +-
>  block/throttle-groups.c         | 214 
> +++++++++++++++++++++++++++++++++++++++-
>  blockdev.c                      |  38 +++++--
>  hmp.c                           |   4 +-
>  include/block/block.h           |   3 +-
>  include/block/block_int.h       |   7 +-
>  include/block/throttle-groups.h |   4 +
>  qapi/block-core.json            |  25 ++++-
>  qemu-options.hx                 |   1 +
>  qmp-commands.hx                 |   3 +-
>  12 files changed, 309 insertions(+), 85 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>

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