From: Stefan Hajnoczi <stefanha@redhat.com>
To: Brian Song <hibriansong@gmail.com>
Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org, hreitz@redhat.com,
kwolf@redhat.com, eblake@redhat.com, armbru@redhat.com,
fam@euphon.net, bernd@bsbernd.com
Subject: Re: [Patch v4 1/7] aio-posix: enable 128-byte SQEs
Date: Wed, 11 Feb 2026 15:28:53 -0500 [thread overview]
Message-ID: <20260211202853.GA234157@fedora> (raw)
In-Reply-To: <20260207120901.17222-2-hibriansong@gmail.com>
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On Sat, Feb 07, 2026 at 08:08:55PM +0800, Brian Song wrote:
> This patch enables the IORING_SETUP_SQE128 flag during io_uring
> initialization to support the FUSE protocol requirements.
>
> The FUSE-over-io_uring implementation embeds a protocol-specific
> structure directly into the Submission Queue Entry (SQE)
> to pass metadata such as the queue ID and commit ID.
>
> Enabling SQE128 expands the SQE size to 128 bytes, providing 80 bytes
> of available command space. This ensures sufficient room for the FUSE
> headers and future protocol extensions.
>
> Suggested-by: Kevin Wolf <kwolf@redhat.com>
> Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
> Signed-off-by: Brian Song <hibriansong@gmail.com>
> ---
> util/fdmon-io_uring.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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next prev parent reply other threads:[~2026-02-12 18:55 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-07 12:08 [PATCH v4 0/7] add fuse-over-io_uring support Brian Song
2026-02-07 12:08 ` [Patch v4 1/7] aio-posix: enable 128-byte SQEs Brian Song
2026-02-11 20:28 ` Stefan Hajnoczi [this message]
2026-02-07 12:08 ` [Patch v4 2/7] fuse: io_uring mode init Brian Song
2026-02-11 20:56 ` Stefan Hajnoczi
2026-02-13 8:40 ` Brian Song
2026-02-13 9:03 ` Brian Song
2026-02-19 14:42 ` Stefan Hajnoczi
2026-02-07 12:08 ` [Patch v4 3/7] fuse: uring support for write ops Brian Song
2026-02-11 21:08 ` Stefan Hajnoczi
2026-02-07 12:08 ` [Patch v4 4/7] fuse: refactor FUSE request handler Brian Song
2026-02-11 21:21 ` Stefan Hajnoczi
2026-02-13 8:07 ` Brian Song
2026-02-19 21:14 ` [PATCH] fuse: unify op_in for io_uring and classic FUSE Stefan Hajnoczi
2026-02-07 12:08 ` [Patch v4 5/6] fuse: safe termination for io_uring Brian Song
2026-02-11 21:52 ` Stefan Hajnoczi
2026-02-07 12:09 ` [Patch v4 6/7] fuse: add 'io-uring' option Brian Song
2026-02-09 5:24 ` Markus Armbruster
2026-02-11 22:50 ` Stefan Hajnoczi
2026-02-07 12:09 ` [Patch v4 7/7] fuse: add io_uring test support Brian Song
2026-02-11 21:53 ` Stefan Hajnoczi
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