From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87037C4320A for ; Mon, 23 Aug 2021 18:36:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69D31613BD for ; Mon, 23 Aug 2021 18:36:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229962AbhHWShj (ORCPT ); Mon, 23 Aug 2021 14:37:39 -0400 Received: from out30-57.freemail.mail.aliyun.com ([115.124.30.57]:44198 "EHLO out30-57.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230021AbhHWShj (ORCPT ); Mon, 23 Aug 2021 14:37:39 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R101e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=alimailimapcm10staff010182156082;MF=haoxu@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0UlQutiJ_1629743808; Received: from e18g09479.et15sqa.tbsite.net(mailfrom:haoxu@linux.alibaba.com fp:SMTPD_---0UlQutiJ_1629743808) by smtp.aliyun-inc.com(127.0.0.1); Tue, 24 Aug 2021 02:36:54 +0800 From: Hao Xu To: Jens Axboe Cc: io-uring@vger.kernel.org, Pavel Begunkov , Joseph Qi Subject: [PATCH 1/2] io_uring: run task_work when sqthread is waken up Date: Tue, 24 Aug 2021 02:36:47 +0800 Message-Id: <20210823183648.163361-2-haoxu@linux.alibaba.com> X-Mailer: git-send-email 2.24.4 In-Reply-To: <20210823183648.163361-1-haoxu@linux.alibaba.com> References: <20210823183648.163361-1-haoxu@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org 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 --- 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