From patchwork Mon Aug 15 13:09:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dylan Yudaken X-Patchwork-Id: 12943545 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37ECBC25B06 for ; Mon, 15 Aug 2022 13:15:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242825AbiHONP0 (ORCPT ); Mon, 15 Aug 2022 09:15:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242883AbiHONPS (ORCPT ); Mon, 15 Aug 2022 09:15:18 -0400 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9AD2CDF for ; Mon, 15 Aug 2022 06:15:16 -0700 (PDT) Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.17.1.5/8.17.1.5) with ESMTP id 27F06IBP022377 for ; Mon, 15 Aug 2022 06:15:16 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=qxZ49o3eXGa+CNiG3aLSh2b5crgZniaKWUpAWQj9/DY=; b=Sf+eysaXSscyNKVco3ULzWW8r78puLVxvOXped99IXF0cecgnsce5pBcftLgFmaBi7Cl bKGTeEioxpImqdsJ8WVm2pL9D68pmass7KdARqTq/pYcC9kY7ciX7ULISSjuKa82HxeJ 5G7DYlk0yY/b6z2Rc5yAxyTJeYxAKdzL4zM= Received: from mail.thefacebook.com ([163.114.132.120]) by m0089730.ppops.net (PPS) with ESMTPS id 3hx7f8tk5c-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 15 Aug 2022 06:15:15 -0700 Received: from twshared8442.02.ash8.facebook.com (2620:10d:c085:108::4) by mail.thefacebook.com (2620:10d:c085:11d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 15 Aug 2022 06:15:14 -0700 Received: by devbig038.lla2.facebook.com (Postfix, from userid 572232) id F050049B72D3; Mon, 15 Aug 2022 06:09:54 -0700 (PDT) From: Dylan Yudaken To: Jens Axboe , Pavel Begunkov , CC: , Dylan Yudaken Subject: [PATCH liburing 01/11] Copy defer task run definition from kernel Date: Mon, 15 Aug 2022 06:09:37 -0700 Message-ID: <20220815130947.1002152-2-dylany@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220815130947.1002152-1-dylany@fb.com> References: <20220815130947.1002152-1-dylany@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-GUID: B1oFOTax6z-AweK8atqOvl7-xmwLOzCK X-Proofpoint-ORIG-GUID: B1oFOTax6z-AweK8atqOvl7-xmwLOzCK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-15_08,2022-08-15_01,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Copy the flag from upstream Signed-off-by: Dylan Yudaken --- src/include/liburing/io_uring.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/include/liburing/io_uring.h b/src/include/liburing/io_uring.h index c923f5c07699..b80bb0c09681 100644 --- a/src/include/liburing/io_uring.h +++ b/src/include/liburing/io_uring.h @@ -156,6 +156,13 @@ enum { */ #define IORING_SETUP_SINGLE_ISSUER (1U << 12) +/* + * Defer running task work to get events. + * Rather than running bits of task work whenever the task transitions + * try to do it just before it is needed. + */ +#define IORING_SETUP_DEFER_TASKRUN (1U << 13) + enum io_uring_op { IORING_OP_NOP, IORING_OP_READV,