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 27877C43217 for ; Fri, 3 Sep 2021 11:01:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04D70610CE for ; Fri, 3 Sep 2021 11:01:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348391AbhICLCB (ORCPT ); Fri, 3 Sep 2021 07:02:01 -0400 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]:48435 "EHLO out30-42.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348415AbhICLCA (ORCPT ); Fri, 3 Sep 2021 07:02:00 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04420;MF=haoxu@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0Un61DbM_1630666849; Received: from e18g09479.et15sqa.tbsite.net(mailfrom:haoxu@linux.alibaba.com fp:SMTPD_---0Un61DbM_1630666849) by smtp.aliyun-inc.com(127.0.0.1); Fri, 03 Sep 2021 19:00:59 +0800 From: Hao Xu To: Jens Axboe Cc: io-uring@vger.kernel.org, Pavel Begunkov , Joseph Qi Subject: [PATCH 3/6] io_uring: add REQ_F_APOLL_MULTISHOT for requests Date: Fri, 3 Sep 2021 19:00:46 +0800 Message-Id: <20210903110049.132958-4-haoxu@linux.alibaba.com> X-Mailer: git-send-email 2.24.4 In-Reply-To: <20210903110049.132958-1-haoxu@linux.alibaba.com> References: <20210903110049.132958-1-haoxu@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org add a flag to indicate multishot mode for fast poll. Currently only accept use it, but there may be more operations leveraging it in the future. Signed-off-by: Hao Xu --- fs/io_uring.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/io_uring.c b/fs/io_uring.c index c48d43207f57..d6df60c4cdb9 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -720,6 +720,7 @@ enum { REQ_F_NOWAIT_READ_BIT, REQ_F_NOWAIT_WRITE_BIT, REQ_F_ISREG_BIT, + REQ_F_APOLL_MULTISHOT_BIT, /* not a real bit, just to check we're not overflowing the space */ __REQ_F_LAST_BIT, @@ -773,6 +774,8 @@ enum { REQ_F_REFCOUNT = BIT(REQ_F_REFCOUNT_BIT), /* there is a linked timeout that has to be armed */ REQ_F_ARM_LTIMEOUT = BIT(REQ_F_ARM_LTIMEOUT_BIT), + /* fast poll multishot mode */ + REQ_F_APOLL_MULTISHOT = BIT(REQ_F_APOLL_MULTISHOT_BIT), }; struct async_poll { -- 2.24.4