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From: Joanne Koong <joannelkoong@gmail.com>
To: Xiaobing Li <xiaobing.li@samsung.com>
Cc: asml.silence@gmail.com, axboe@kernel.dk, bschubert@ddn.com,
	 io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	miklos@szeredi.hu,  joshi.k@samsung.com, kun.dou@samsung.com,
	peiwei.li@samsung.com,  xue01.he@samsung.com
Subject: Re: [PATCH v1 0/2] fuse io_uring: support registered buffers
Date: Fri, 24 Oct 2025 11:02:17 -0700	[thread overview]
Message-ID: <CAJnrk1YDkZf1GNNODXemHUV1kOyqXtLtQzODiA=Ujkkc5TpfKg@mail.gmail.com> (raw)
In-Reply-To: <20251023114524.1052805-1-xiaobing.li@samsung.com>

On Thu, Oct 23, 2025 at 11:17 PM Xiaobing Li <xiaobing.li@samsung.com> wrote:
>
> On 10/22/25 22:20, Joanne Koong wrote:
> > This adds support for daemons who preregister buffers to minimize the overhead
> > of pinning/unpinning user pages and translating virtual addresses. Registered
> > buffers pay the cost once during registration then reuse the pre-pinned pages,
> > which helps reduce the per-op overhead.
> >
> > This is on top of commit 211ddde0823f in the iouring tree.
>
> Do you have any test data? How does the benefit compare?
> By the way, how were the changes made to libfuse?

Hi Xiaobing,

I am going to run more rigorous benchmarks on this next week after
making the changes for v2 and will report back what I see. The
libfuse-side changes are in this branch [1].

Thanks,
Joanne

[1] https://github.com/joannekoong/libfuse/tree/registered_buffers
>
> Thanks,
> Xiaobing Li

      reply	other threads:[~2025-10-24 18:02 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-22 20:20 [PATCH v1 0/2] fuse io_uring: support registered buffers Joanne Koong
2025-10-22 20:20 ` [PATCH v1 1/2] io-uring: add io_uring_cmd_get_buffer_info() Joanne Koong
2025-10-23  3:16   ` Caleb Sander Mateos
2025-10-23 22:20     ` Joanne Koong
2025-10-24  0:00       ` Joanne Koong
2025-10-22 20:20 ` [PATCH v1 2/2] fuse: support io-uring registered buffers Joanne Koong
2025-10-23  3:22   ` Caleb Sander Mateos
2025-10-23 12:39   ` kernel test robot
2025-10-23 13:22   ` kernel test robot
2025-10-23 17:42     ` Joanne Koong
2025-10-23 23:44   ` Joanne Koong
2025-10-22 20:43 ` [PATCH v1 0/2] fuse io_uring: support " Bernd Schubert
2025-10-23 22:27   ` Joanne Koong
2025-10-24 18:12     ` Bernd Schubert
2025-10-24 19:37       ` Joanne Koong
     [not found] ` <CGME20251023114956epcas5p33a9384d06985dc5936fd355f1d580fb2@epcas5p3.samsung.com>
2025-10-23 11:45   ` Xiaobing Li
2025-10-24 18:02     ` Joanne Koong [this message]

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