public inbox for [email protected]
 help / color / mirror / Atom feed
From: Jens Axboe <[email protected]>
To: Pavel Begunkov <[email protected]>, [email protected]
Subject: Re: [PATCH 13/17] io_uring: use persistent request cache
Date: Tue, 9 Feb 2021 19:14:11 -0700	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <df890f4c676ee944fb9d389dece05243418e153a.1612915326.git.asml.silence@gmail.com>

On 2/9/21 5:03 PM, Pavel Begunkov wrote:
> @@ -1343,10 +1343,7 @@ static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
>  	INIT_DELAYED_WORK(&ctx->rsrc_put_work, io_rsrc_put_work);
>  	init_llist_head(&ctx->rsrc_put_llist);
>  
> -	submit_state = &ctx->submit_state;
> -	submit_state->comp.nr = 0;
> -	submit_state->file_refs = 0;
> -	submit_state->free_reqs = 0;
> +	INIT_LIST_HEAD(&ctx->submit_state.comp.free_list);
>  	return ctx;
>  err:
>  	kfree(ctx->cancel_hash);

This just needs to be folded into "io_uring: don't reinit submit state every time"
as 'ctx' is zeroed on alloc. Except the list init, of course.

-- 
Jens Axboe


  reply	other threads:[~2021-02-10  2:16 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-10  0:03 [PATCH RFC 00/17] playing around req alloc Pavel Begunkov
2021-02-10  0:03 ` [PATCH 01/17] io_uring: replace force_nonblock with flags Pavel Begunkov
2021-02-10  0:03 ` [PATCH 02/17] io_uring: make op handlers always take issue flags Pavel Begunkov
2021-02-10  0:03 ` [PATCH 03/17] io_uring: don't propagate io_comp_state Pavel Begunkov
2021-02-10 14:00   ` Pavel Begunkov
2021-02-10 14:27     ` Jens Axboe
2021-02-10  0:03 ` [PATCH 04/17] io_uring: don't keep submit_state on stack Pavel Begunkov
2021-02-10  0:03 ` [PATCH 05/17] io_uring: remove ctx from comp_state Pavel Begunkov
2021-02-10  0:03 ` [PATCH 06/17] io_uring: don't reinit submit state every time Pavel Begunkov
2021-02-10  0:03 ` [PATCH 07/17] io_uring: replace list with array for compl batch Pavel Begunkov
2021-02-10  0:03 ` [PATCH 08/17] io_uring: submit-completion free batching Pavel Begunkov
2021-02-10  0:03 ` [PATCH 09/17] io_uring: remove fallback_req Pavel Begunkov
2021-02-10  0:03 ` [PATCH 10/17] io_uring: count ctx refs separately from reqs Pavel Begunkov
2021-02-10  0:03 ` [PATCH 11/17] io_uring: persistent req cache Pavel Begunkov
2021-02-10  0:03 ` [PATCH 12/17] io_uring: feed reqs back into alloc cache Pavel Begunkov
2021-02-10  0:03 ` [PATCH 13/17] io_uring: use persistent request cache Pavel Begunkov
2021-02-10  2:14   ` Jens Axboe [this message]
2021-02-10  0:03 ` [PATCH 14/17] io_uring: provide FIFO ordering for task_work Pavel Begunkov
2021-02-10  0:03 ` [PATCH 15/17] io_uring: enable req cache for task_work items Pavel Begunkov
2021-02-10  0:03 ` [PATCH 16/17] io_uring: take comp_state from ctx Pavel Begunkov
2021-02-10  0:03 ` [PATCH 17/17] io_uring: defer flushing cached reqs Pavel Begunkov
2021-02-10  2:10   ` Jens Axboe
2021-02-10  2:08 ` [PATCH RFC 00/17] playing around req alloc Jens Axboe
2021-02-10  3:14   ` Pavel Begunkov
2021-02-10  3:23     ` Jens Axboe
2021-02-10 11:53       ` Pavel Begunkov
2021-02-10 14:27         ` Jens Axboe

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 \
    [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