Re: [Qemu-devel] [Qemu-block] [PATCH v3 0/2] aio: Use epoll in aio_poll()

[Stefan Hajnoczi <stefanha@gmail.com>]

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On Mon, Oct 26, 2015 at 02:39:40PM +0800, Fam Zheng wrote:
> v3: Remove the redundant check in aio_epoll_try_enable. [Stefan]
> 
> v2: Merge aio-epoll.c into aio-posix.c. [Paolo]
>     Capture some benchmark data in commit log.
> 
> This series adds the ability to use epoll in aio_poll() on Linux. It's switched
> on in a dynamic way rather than static for two reasons: 1) when the number of
> fds is not high enough, using epoll has little advantage; 2) when an epoll
> incompatible fd needs to be handled, we need to fall back.  The epoll is
> enabled when a fd number threshold is met.
> 
> 
> 
> Fam Zheng (2):
>   aio: Introduce aio_context_setup
>   aio: Introduce aio-epoll.c
> 
>  aio-posix.c         | 174 +++++++++++++++++++++++++++++++++++++++++++++++++++-
>  aio-win32.c         |   4 ++
>  async.c             |  13 +++-
>  include/block/aio.h |  14 +++++
>  4 files changed, 201 insertions(+), 4 deletions(-)
> 
> -- 
> 2.4.3
> 
> 

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan

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