io-uring.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jens Axboe <axboe@kernel.dk>
To: Jackie Liu <liuyun01@kylinos.cn>
Cc: io-uring@vger.kernel.org
Subject: Re: [PATCH v2] io_uring: add support for linked SQE timeouts
Date: Thu, 7 Nov 2019 19:12:33 -0700	[thread overview]
Message-ID: <f5930ec1-d3b3-4cd9-0648-fa835b347318@kernel.dk> (raw)
In-Reply-To: <C0C26DA7-DD02-46EE-A398-51A50962A724@kylinos.cn>

On 11/7/19 6:24 PM, Jackie Liu wrote:
>> @@ -734,11 +755,23 @@ static void io_req_link_next(struct io_kiocb *req, struct io_kiocb **nxtptr)
>> 		 * If we're in async work, we can continue processing the chain
>> 		 * in this context instead of having to queue up new async work.
>> 		 */
>> -		if (nxtptr && current_work())
>> +		if (req->flags & REQ_F_LINK_TIMEOUT) {
>> +			wake_ev = io_link_cancel_timeout(ctx, nxt);
>> +
>> +			/* we dropped this link, get next */
>> +			nxt = list_first_entry_or_null(&req->link_list,
>> +							struct io_kiocb, list);
>> +		} else if (nxtptr && current_work()) {
>> 			*nxtptr = nxt;
>> -		else
>> +			nxt = NULL;
> 
> Use 'break' is more better? no need to set variables and compare.

Fine with me, I'll make that change. Happy with it otherwise?

-- 
Jens Axboe


      reply	other threads:[~2019-11-08  2:12 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-07  2:05 [PATCH v2] io_uring: add support for linked SQE timeouts Jens Axboe
2019-11-08  1:24 ` Jackie Liu
2019-11-08  2:12   ` Jens Axboe [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=f5930ec1-d3b3-4cd9-0648-fa835b347318@kernel.dk \
    --to=axboe@kernel.dk \
    --cc=io-uring@vger.kernel.org \
    --cc=liuyun01@kylinos.cn \
    /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;
as well as URLs for NNTP newsgroup(s).