[Qemu-devel] Re: [PATCH 0/5] Fix aio cancellation with synthetic aiocbs

[Anthony Liguori <aliguori@us.ibm.com>]

Avi Kivity wrote:
> The block layer will currently break with synthetic aiocbs, since it will
> forward the cancellation request to the block format driver, which did not
> generate the synthetic aiocbs.
>
> This patchset fixes the problem by associating a cancellation method
> with synthetic aiocbs through a aio pool data structure.  This structure
> contains information common to a class of aiocbs - size, cancellation method,
> and free list.
>
> Avi Kivity (5):
>   Refactor aio callback allocation to use an aiocb pool
>   Convert vectored aio emulation to use a dedicated pool
>   Implement cancellation method for dma async I/O
>   Use vectored aiocb storage to store vector translation state
>   Move block dma helpers aiocb to store dma state
>
>  block.c       |   79 +++++++++++++++++++++++++++++++++++---------------------
>  block_int.h   |   14 +++++++++-
>  dma-helpers.c |   44 +++++++++++++++++++++----------
>  dma.h         |    1 +
>  vl.c          |    1 +
>  5 files changed, 94 insertions(+), 45 deletions(-)
>   

Applied all.  Thanks.

Regards,

Anthony Liguori