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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DA3FC433F5 for ; Tue, 26 Apr 2022 18:22:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242572AbiDZSZo (ORCPT ); Tue, 26 Apr 2022 14:25:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232625AbiDZSZn (ORCPT ); Tue, 26 Apr 2022 14:25:43 -0400 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 117B238D82 for ; Tue, 26 Apr 2022 11:22:34 -0700 (PDT) Received: from pps.filterd (m0001303.ppops.net [127.0.0.1]) by m0001303.ppops.net (8.17.1.5/8.17.1.5) with ESMTP id 23QGQSgb018712 for ; Tue, 26 Apr 2022 11:22:33 -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=0ggZmwkwKypSDiS4yhtI8TJjcFYQbbXlExtLkqn+x1w=; b=FD14C0ceS0kapUkGA3FqtvPVaO5uR9VVkzWVcr23Qd37/iaIDYPIijTmfFfJFD0DVpgZ Ix7OLrukm/y38NVwFerAguvc6XQezhKOJptQzBmRPivHbLqqNUnDtc8ibEACWCZpGVTf bI042ZeL/bWWYXfBaVZT65y9GMagK0d+7pc= Received: from mail.thefacebook.com ([163.114.132.120]) by m0001303.ppops.net (PPS) with ESMTPS id 3fmd4rv7n5-7 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 26 Apr 2022 11:22:33 -0700 Received: from snc-exhub201.TheFacebook.com (2620:10d:c085:21d::7) by snc-exhub202.TheFacebook.com (2620:10d:c085:21d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 26 Apr 2022 11:22:30 -0700 Received: from twshared6486.05.ash9.facebook.com (2620:10d:c085:208::11) by mail.thefacebook.com (2620:10d:c085:21d::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 26 Apr 2022 11:21:47 -0700 Received: by devvm225.atn0.facebook.com (Postfix, from userid 425415) id 49E20E2E5690; Tue, 26 Apr 2022 11:21:36 -0700 (PDT) From: Stefan Roesch To: , , CC: , , Jens Axboe Subject: [PATCH v4 02/12] io_uring: store add. return values for CQE32 Date: Tue, 26 Apr 2022 11:21:24 -0700 Message-ID: <20220426182134.136504-3-shr@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220426182134.136504-1-shr@fb.com> References: <20220426182134.136504-1-shr@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: lhgvy0Pwdg49C32zywj5IU3RlYYqia_1 X-Proofpoint-GUID: lhgvy0Pwdg49C32zywj5IU3RlYYqia_1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-26_05,2022-04-26_02,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org This reuses the hash list node for the storage we need to hold the two 64-bit values that must be passed back. Co-developed-by: Jens Axboe Signed-off-by: Stefan Roesch Signed-off-by: Jens Axboe Reviewed-by: Kanchan Joshi --- fs/io_uring.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 4c32cf987ef3..bf2b02518332 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -964,7 +964,13 @@ struct io_kiocb { atomic_t poll_refs; struct io_task_work io_task_work; /* for polled requests, i.e. IORING_OP_POLL_ADD and async armed poll */ - struct hlist_node hash_node; + union { + struct hlist_node hash_node; + struct { + u64 extra1; + u64 extra2; + }; + }; /* internal polling, see IORING_FEAT_FAST_POLL */ struct async_poll *apoll; /* opcode allocated if it needs to store data for async defer */ --=20 2.30.2