From: Kevin Wolf <kwolf@redhat.com>
To: Prasad Pandit <ppandit@redhat.com>
Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org,
Stefan Hajnoczi <stefanha@redhat.com>,
Prasad Pandit <pjp@fedoraproject.org>
Subject: Re: [PATCH] linux-aio: add IO_CMD_FDSYNC command support
Date: Thu, 7 Mar 2024 14:50:57 +0100 [thread overview]
Message-ID: <ZenGQZE4hlOR6J4V@redhat.com> (raw)
In-Reply-To: <20240307114744.1135711-1-ppandit@redhat.com>
Am 07.03.2024 um 12:47 hat Prasad Pandit geschrieben:
> From: Prasad Pandit <pjp@fedoraproject.org>
>
> Libaio defines IO_CMD_FDSYNC command to sync all outstanding
> asynchronous I/O operations, by flushing out file data to the
> disk storage.
>
> Enable linux-aio to submit such aio request. This helps to
> reduce latency induced via pthread_create calls by
> thread-pool (aio=threads).
>
> Signed-off-by: Prasad Pandit <pjp@fedoraproject.org>
Kernel support for this is "relatively" new, added in 2018. Should we
fall back to the thread pool if we receive -EINVAL?
Kevin
next prev parent reply other threads:[~2024-03-07 13:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-07 11:47 [PATCH] linux-aio: add IO_CMD_FDSYNC command support Prasad Pandit
2024-03-07 13:50 ` Kevin Wolf [this message]
2024-03-07 17:19 ` Prasad Pandit
2024-03-08 9:05 ` Kevin Wolf
2024-03-08 12:08 ` Prasad Pandit
2024-03-11 6:41 ` Prasad Pandit
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