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* [PATCHSET v5 0/3] Add support for ring mapped provided buffers
@ 2022-05-07 14:30 Jens Axboe
  2022-05-07 14:30 ` [PATCH 1/3] io_uring: add buffer selection support to IORING_OP_NOP Jens Axboe
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Jens Axboe @ 2022-05-07 14:30 UTC (permalink / raw)
  To: io-uring; +Cc: asml.silence

Hi,

This series builds to adding support for a different way of doing
provided buffers. The interesting bits here are patch 3, which also has
some performance numbers an an explanation of it.

Patch 1 adds NOP support for provided buffers, just so that we can
benchmark the last change.

Patch 2 just abstracts out the pinning code.

Patch 3 finally adds the feature.

This passes the full liburing suite, and various test cases I adopted
to use ring provided buffers.

v5:	- Minor cleanups
	- Rebase on current branch with prep patches folded in

Can also be found in my git repo, for-5.19/io_uring-pbuf branch:

https://git.kernel.dk/cgit/linux-block/log/?h=for-5.19/io_uring-pbuf

 fs/io_uring.c                 | 324 +++++++++++++++++++++++++++++-----
 include/uapi/linux/io_uring.h |  28 +++
 2 files changed, 312 insertions(+), 40 deletions(-)

-- 
Jens Axboe



^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2022-05-07 14:30 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-05-07 14:30 [PATCHSET v5 0/3] Add support for ring mapped provided buffers Jens Axboe
2022-05-07 14:30 ` [PATCH 1/3] io_uring: add buffer selection support to IORING_OP_NOP Jens Axboe
2022-05-07 14:30 ` [PATCH 2/3] io_uring: add io_pin_pages() helper Jens Axboe
2022-05-07 14:30 ` [PATCH 3/3] io_uring: add support for ring mapped supplied buffers Jens Axboe

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