public inbox for [email protected]
 help / color / mirror / Atom feed
From: Hao Xu <[email protected]>
To: Jens Axboe <[email protected]>
Cc: [email protected], Pavel Begunkov <[email protected]>,
	Joseph Qi <[email protected]>
Subject: [PATCH 1/2] io_uring: run task_work when sqthread is waken up
Date: Tue, 24 Aug 2021 02:36:47 +0800	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

Sqthread may be waken up because of task_work added, since we are
now heavily using task_work, let's run it as soon as possible.

Signed-off-by: Hao Xu <[email protected]>
---
 fs/io_uring.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index c3bd2b3fc46b..8172f5f893ad 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6962,6 +6962,8 @@ static int io_sq_thread(void *data)
 		}
 
 		finish_wait(&sqd->wait, &wait);
+		if (current->task_works)
+			io_run_task_work();
 		timeout = jiffies + sqd->sq_thread_idle;
 	}
 
-- 
2.24.4


  reply	other threads:[~2021-08-23 18:36 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-23 18:36 [RFC 0/2] io_task_work optimization Hao Xu
2021-08-23 18:36 ` Hao Xu [this message]
2021-08-23 18:36 ` [PATCH 2/2] io_uring: add irq completion work to the head of task_list Hao Xu
2021-08-23 18:41   ` Hao Xu
2021-08-24 12:57   ` Pavel Begunkov
2021-08-25  3:19     ` Hao Xu
2021-08-25 11:18       ` Pavel Begunkov
2021-08-25 15:58 ` [RFC 0/2] io_task_work optimization Jens Axboe
2021-08-25 16:39   ` Hao Xu
2021-08-25 16:46     ` Pavel Begunkov
2021-08-25 17:26       ` Hao Xu

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] \
    [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