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From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>,
	[email protected], [email protected]
Subject: [PATCH 0/2] optimise sqe-to-req flags
Date: Sat, 18 Jan 2020 01:41:37 +0300	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <37a04c11e980f49cb17a4fd071d2d71a291a8fd5.1579299684.git.asml.silence@gmail.com>

*lost the cover-letter, but here we go*

The main idea is to optimise code like the following by directly
copying sqe flags:

if (sqe_flags & IOSQE_IO_HARDLINK)
	req->flags |= REQ_F_HARDLINK;

The first patch is a minor cleanup, and the second one do the
trick. No functional changes.

The other thing to consider is whether to use such flags as 
REQ_F_LINK = IOSQE_IO_LINK, or directly use IOSQE_IO_LINK instead.

Pavel Begunkov (2):
  io_uring: remove REQ_F_IO_DRAINED
  io_uring: optimise sqe-to-req flags translation

 fs/io_uring.c | 65 ++++++++++++++++++++++++---------------------------
 1 file changed, 31 insertions(+), 34 deletions(-)

-- 
2.24.0


  parent reply	other threads:[~2020-01-17 22:42 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-17 22:22 [PATCH 1/2] io_uring: remove REQ_F_IO_DRAINED Pavel Begunkov
2020-01-17 22:22 ` [PATCH 2/2] io_uring: optimise sqe-to-req flags translation Pavel Begunkov
2020-01-17 22:41 ` Pavel Begunkov [this message]
2020-01-17 22:49   ` [PATCH 0/2] optimise sqe-to-req flags Jens Axboe
2020-01-17 23:14     ` Pavel Begunkov
2020-01-18  0:16       ` Jens Axboe
2020-01-18 10:24         ` [PATCH v2] io_uring: optimise sqe-to-req flags translation Pavel Begunkov
2020-01-18 16:34           ` Jens Axboe
2020-01-18 17:10             ` Pavel Begunkov
2020-01-18 17:22               ` [PATCH v3 1/1] " Pavel Begunkov
2020-01-18 20:46                 ` Jens Axboe
2020-01-19  7:46                   ` Pavel Begunkov
2020-01-19 17:36                     ` Jens Axboe
2020-01-18 20:45               ` [PATCH v2] " Jens Axboe
2020-01-17 22:50 ` [PATCH 1/2] io_uring: remove REQ_F_IO_DRAINED Jens Axboe

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