Kind ping :-)
Thanks,
Stefano
On Thu, Sep 23, 2021 at 4:31 PM Stefano Garzarella <sgarz...@redhat.com> wrote:
>
> Commit d7ddd0a161 ("linux-aio: limit the batch size using
> `aio-max-batch` parameter") added a way to limit the batch size
> of Linux AIO backend for the entire AIO context.
>
> The same AIO context can be shared by multiple devices, so
> latency-sensitive devices may want to limit the batch size even
> more to avoid increasing latency.
>
> This series add the `aio-max-batch` option to the file backend,
> and use it in laio_co_submit() and laio_io_unplug() to limit the
> Linux AIO batch size more than the limit set by the AIO context.
>
> Stefano Garzarella (3):
> file-posix: add `aio-max-batch` option
> linux-aio: add `dev_max_batch` parameter to laio_co_submit()
> linux-aio: add `dev_max_batch` parameter to laio_io_unplug()
>
> qapi/block-core.json | 5 +++++
> include/block/raw-aio.h | 6 ++++--
> block/file-posix.c | 14 ++++++++++++--
> block/linux-aio.c | 38 +++++++++++++++++++++++++++-----------
> 4 files changed, 48 insertions(+), 15 deletions(-)
>
> --
> 2.31.1
>
>
