v1:
https://lore.kernel.org/qemu-devel/20210923143100.182979-1-sgarz...@redhat.com
v2:
- @aio-max-batch documentation rewrite [Stefan, Kevin]
- added Stefan and Kevin R-b tags
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 | 7 +++++++
include/block/raw-aio.h | 6 ++++--
block/file-posix.c | 14 ++++++++++++--
block/linux-aio.c | 38 +++++++++++++++++++++++++++-----------
4 files changed, 50 insertions(+), 15 deletions(-)
--
2.31.1
