public inbox for [email protected]
 help / color / mirror / Atom feed
From: Ming Lei <[email protected]>
To: Jens Axboe <[email protected]>
Cc: io-uring <[email protected]>,
	Pavel Begunkov <[email protected]>
Subject: Re: [PATCH v2] io_uring: extend io_uring_sqe flags bits
Date: Sat, 2 Nov 2024 00:42:04 +0800	[thread overview]
Message-ID: <ZyUE3A2nGiIBLDGx@fedora> (raw)
In-Reply-To: <[email protected]>

On Fri, Nov 01, 2024 at 09:15:28AM -0600, Jens Axboe wrote:
> In hindsight everything is clearer, but it probably should've been known
> that 8 bits of ->flags would run out sooner than later. Rather than
> gobble up the last bit for a random use case, add a bit that controls
> whether or not ->personality is used as a flags2 argument. If that is
> the case, then there's a new IOSQE2_PERSONALITY flag that tells io_uring
> which personality field to read.
> 
> While this isn't the prettiest, it does allow extending with 15 extra
> flags, and retains being able to use personality with any kind of
> command. The exception is uring cmd, where personality2 will overlap
> with the space set aside for SQE128. If they really need that, then that
> would have to be done via a uring cmd flag.
> 
> Signed-off-by: Jens Axboe <[email protected]>

Reviewed-by: Ming Lei <[email protected]>

Thanks,
Ming


      reply	other threads:[~2024-11-01 16:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-01 15:15 [PATCH v2] io_uring: extend io_uring_sqe flags bits Jens Axboe
2024-11-01 16:42 ` Ming Lei [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ZyUE3A2nGiIBLDGx@fedora \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox