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From: Ming Lei <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Cc: [email protected],
	Pavel Begunkov <[email protected]>,
	Kevin Wolf <[email protected]>
Subject: Re: [RFC PATCH 0/9] io_uring: support sqe group and provide group kbuf
Date: Fri, 19 Apr 2024 08:55:22 +0800	[thread overview]
Message-ID: <ZiHA+pN28hRdprhX@fedora> (raw)
In-Reply-To: <[email protected]>

On Mon, Apr 08, 2024 at 09:03:13AM +0800, Ming Lei wrote:
> Hello,
> 
> This patch adds sqe user ext flags, generic sqe group usage, and
> provide group kbuf based on sqe group. sqe group provides one efficient
> way to share resource among one group of sqes, such as, it can be for
> implementing multiple copying(copy data from single source to multiple
> destinations) via single syscall.
> 
> Finally implements provide group kbuf for uring command, and ublk use this
> for supporting zero copy, and actually this feature can be used to support
> generic device zero copy.
> 
> The last liburing patch adds helpers for using sqe group, also adds
> tests for sqe group. 
> 
> ublksrv userspace implements zero copy by sqe group & provide group
> kbuf:
> 
> 	https://github.com/ublk-org/ublksrv/commits/group-provide-buf/
> 	git clone https://github.com/ublk-org/ublksrv.git -b group-provide-buf
> 
> 	make test T=loop/009:nbd/061:nbd/062	#ublk zc tests
> 
> Any comments are welcome!

Hello Jens and Guys,

Any comments on this patchset?



thanks,
Ming


      parent reply	other threads:[~2024-04-19  0:55 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-08  1:03 [RFC PATCH 0/9] io_uring: support sqe group and provide group kbuf Ming Lei
2024-04-08  1:03 ` [PATCH 1/9] io_uring: net: don't check sqe->__pad2[0] for send zc Ming Lei
2024-04-08  1:03 ` [PATCH 2/9] io_uring: support user sqe ext flags Ming Lei
2024-04-22 18:16   ` Jens Axboe
2024-04-23 13:57     ` Ming Lei
2024-04-29 15:24       ` Pavel Begunkov
2024-04-30  3:43         ` Ming Lei
2024-04-30 12:00           ` Pavel Begunkov
2024-04-30 12:56             ` Ming Lei
2024-04-30 14:10               ` Pavel Begunkov
2024-04-30 15:46                 ` Ming Lei
2024-05-02 14:22                   ` Pavel Begunkov
2024-05-04  1:19                     ` Ming Lei
2024-04-08  1:03 ` [PATCH 3/9] io_uring: add helper for filling cqes in __io_submit_flush_completions() Ming Lei
2024-04-08  1:03 ` [PATCH 4/9] io_uring: add one output argument to io_submit_sqe Ming Lei
2024-04-08  1:03 ` [PATCH 5/9] io_uring: support SQE group Ming Lei
2024-04-22 18:27   ` Jens Axboe
2024-04-23 13:08     ` Kevin Wolf
2024-04-24  1:39       ` Ming Lei
2024-04-25  9:27         ` Kevin Wolf
2024-04-26  7:53           ` Ming Lei
2024-04-26 17:05             ` Kevin Wolf
2024-04-29  3:34               ` Ming Lei
2024-04-29 15:48         ` Pavel Begunkov
2024-04-30  3:07           ` Ming Lei
2024-04-29 15:32       ` Pavel Begunkov
2024-04-30  3:03         ` Ming Lei
2024-04-30 12:27           ` Pavel Begunkov
2024-04-30 15:00             ` Ming Lei
2024-05-02 14:09               ` Pavel Begunkov
2024-05-04  1:56                 ` Ming Lei
2024-05-02 14:28               ` Pavel Begunkov
2024-04-24  0:46     ` Ming Lei
2024-04-08  1:03 ` [PATCH 6/9] io_uring: support providing sqe group buffer Ming Lei
2024-04-08  1:03 ` [PATCH 7/9] io_uring/uring_cmd: support provide group kernel buffer Ming Lei
2024-04-08  1:03 ` [PATCH 8/9] ublk: support provide io buffer Ming Lei
2024-04-08  1:03 ` [RFC PATCH 9/9] liburing: support sqe ext_flags & sqe group Ming Lei
2024-04-19  0:55 ` Ming Lei [this message]

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