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 0/3] linux-aio: allow block devices to limit aio-max-batch
Date: Mon, 25 Oct 2021 16:16:54 +0200 [thread overview]
Message-ID: <YXa8VhoW8flejiRy@redhat.com> (raw)
In-Reply-To: <20210923143100.182979-1-sgarzare@redhat.com>
Am 23.09.2021 um 16:30 hat Stefano Garzarella geschrieben:
> 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.
Looks like you're only going to improve the wording for the QAPI
documentation for v2, so feel free to add:
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
next prev parent reply other threads:[~2021-10-25 14:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-23 14:30 [PATCH 0/3] linux-aio: allow block devices to limit aio-max-batch Stefano Garzarella
2021-09-23 14:30 ` [PATCH 1/3] file-posix: add `aio-max-batch` option Stefano Garzarella
2021-10-21 15:18 ` Stefan Hajnoczi
2021-10-25 10:20 ` Stefano Garzarella
2021-10-25 14:04 ` Kevin Wolf
2021-10-25 14:40 ` Stefano Garzarella
2021-09-23 14:30 ` [PATCH 2/3] linux-aio: add `dev_max_batch` parameter to laio_co_submit() Stefano Garzarella
2021-10-21 15:19 ` Stefan Hajnoczi
2021-09-23 14:31 ` [PATCH 3/3] linux-aio: add `dev_max_batch` parameter to laio_io_unplug() Stefano Garzarella
2021-10-21 15:20 ` Stefan Hajnoczi
2021-10-14 9:32 ` [PATCH 0/3] linux-aio: allow block devices to limit aio-max-batch Stefano Garzarella
2021-10-21 15:21 ` Stefan Hajnoczi
2021-10-25 14:16 ` Kevin Wolf [this message]
2021-10-25 14:42 ` Stefano Garzarella
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