From: Kevin Wolf <kwolf@redhat.com>
To: Stefano Garzarella <sgarzare@redhat.com>
Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org,
Markus Armbruster <armbru@redhat.com>,
Hanna Reitz <hreitz@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Eric Blake <eblake@redhat.com>
Subject: Re: [PATCH v2 0/3] linux-aio: allow block devices to limit aio-max-batch
Date: Tue, 2 Nov 2021 13:07:02 +0100 [thread overview]
Message-ID: <YYEp5lWl2v67c5Wn@redhat.com> (raw)
In-Reply-To: <20211026162346.253081-1-sgarzare@redhat.com>
Am 26.10.2021 um 18:23 hat Stefano Garzarella geschrieben:
> v1: https://lore.kernel.org/qemu-devel/20210923143100.182979-1-sgarzare@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.
Thanks, applied to the block branch.
Kevin
prev parent reply other threads:[~2021-11-02 12:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-26 16:23 [PATCH v2 0/3] linux-aio: allow block devices to limit aio-max-batch Stefano Garzarella
2021-10-26 16:23 ` [PATCH v2 1/3] file-posix: add `aio-max-batch` option Stefano Garzarella
2021-10-27 4:28 ` Markus Armbruster
2021-10-27 9:23 ` Stefano Garzarella
2021-10-27 13:06 ` Kevin Wolf
2021-10-27 14:50 ` Stefano Garzarella
2021-11-02 11:52 ` Stefano Garzarella
2021-10-27 9:07 ` Stefan Hajnoczi
2021-10-26 16:23 ` [PATCH v2 2/3] linux-aio: add `dev_max_batch` parameter to laio_co_submit() Stefano Garzarella
2021-10-26 16:23 ` [PATCH v2 3/3] linux-aio: add `dev_max_batch` parameter to laio_io_unplug() Stefano Garzarella
2021-11-02 12:07 ` Kevin Wolf [this message]
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