From patchwork Wed May 13 06:26:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11544815 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AFA291668 for ; Wed, 13 May 2020 06:29:16 +0000 (UTC) Received: from userp2130.oracle.com (userp2130.oracle.com [156.151.31.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7EBD6206A5 for ; Wed, 13 May 2020 06:29:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7EBD6206A5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=ocfs2-devel-bounces@oss.oracle.com Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 04D6MN0x026918; Wed, 13 May 2020 06:28:57 GMT Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 3100yft9r0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 13 May 2020 06:28:57 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 04D6O1km009036; Wed, 13 May 2020 06:28:57 GMT Received: from oss.oracle.com (oss-old-reserved.oracle.com [137.254.22.2]) by userp3030.oracle.com with ESMTP id 3100ydwgac-1 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO); Wed, 13 May 2020 06:28:57 +0000 Received: from localhost ([127.0.0.1] helo=lb-oss.oracle.com) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1jYksy-0003Zg-01; Tue, 12 May 2020 23:28:56 -0700 Received: from aserp3030.oracle.com ([141.146.126.71]) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1jYksM-0003NV-S6; Tue, 12 May 2020 23:28:18 -0700 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 04D6Nssh087387; Wed, 13 May 2020 06:28:18 GMT Received: from userp2030.oracle.com (userp2030.oracle.com [156.151.31.89]) by aserp3030.oracle.com with ESMTP id 3100y9wb5q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 May 2020 06:28:18 +0000 Received: from pps.filterd (userp2030.oracle.com [127.0.0.1]) by userp2030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 04D6KtUT032448; Wed, 13 May 2020 06:28:17 GMT Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by userp2030.oracle.com with ESMTP id 31015k3p7t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 13 May 2020 06:28:17 +0000 Received: from [2001:4bb8:180:9d3f:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jYkr5-0003nY-Na; Wed, 13 May 2020 06:27:00 +0000 From: Christoph Hellwig To: "David S. Miller" , Jakub Kicinski Date: Wed, 13 May 2020 08:26:18 +0200 Message-Id: <20200513062649.2100053-4-hch@lst.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200513062649.2100053-1-hch@lst.de> References: <20200513062649.2100053-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-PDR: PASS X-Source-IP: 198.137.202.133 X-ServerName: bombadil.infradead.org X-Proofpoint-SPF-Result: None X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9619 signatures=668687 X-Proofpoint-Spam-Details: rule=tap_notspam policy=tap score=0 priorityscore=198 clxscore=234 bulkscore=0 mlxscore=0 impostorscore=0 lowpriorityscore=0 mlxlogscore=999 malwarescore=0 suspectscore=0 cotscore=-2147483648 spamscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005130057 X-Spam: Clean X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 phishscore=0 adultscore=0 suspectscore=0 mlxscore=0 mlxlogscore=999 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005130058 Cc: Marcelo Ricardo Leitner , Eric Dumazet , linux-nvme@lists.infradead.org, linux-sctp@vger.kernel.org, target-devel@vger.kernel.org, linux-afs@lists.infradead.org, drbd-dev@lists.linbit.com, linux-cifs@vger.kernel.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, cluster-devel@redhat.com, Alexey Kuznetsov , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org, Neil Horman , Hideaki YOSHIFUJI , netdev@vger.kernel.org, Vlad Yasevich , linux-kernel@vger.kernel.org, Jon Maloy , Ying Xue , ocfs2-devel@oss.oracle.com Subject: [Ocfs2-devel] [PATCH 03/33] net: add sock_set_priority X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9619 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 malwarescore=0 bulkscore=0 phishscore=0 suspectscore=0 adultscore=0 mlxscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005130058 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9619 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 adultscore=0 cotscore=-2147483648 mlxscore=0 suspectscore=0 spamscore=0 impostorscore=0 mlxlogscore=999 malwarescore=0 clxscore=1034 phishscore=0 bulkscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005130058 Add a helper to directly set the SO_PRIORITY sockopt from kernel space without going through a fake uaccess. Signed-off-by: Christoph Hellwig --- drivers/nvme/host/tcp.c | 12 ++---------- drivers/nvme/target/tcp.c | 18 ++++-------------- include/net/sock.h | 1 + net/core/sock.c | 8 ++++++++ 4 files changed, 15 insertions(+), 24 deletions(-) diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 5cacb61c73229..cd6a8fc14a139 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1362,16 +1362,8 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, */ sock_set_linger(queue->sock->sk, true, 0); - if (so_priority > 0) { - ret = kernel_setsockopt(queue->sock, SOL_SOCKET, SO_PRIORITY, - (char *)&so_priority, sizeof(so_priority)); - if (ret) { - dev_err(ctrl->ctrl.device, - "failed to set SO_PRIORITY sock opt, ret %d\n", - ret); - goto err_sock; - } - } + if (so_priority > 0) + sock_set_priority(queue->sock->sk, so_priority); /* Set socket type of service */ if (nctrl->opts->tos >= 0) { diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 87aba417189d2..778c1ce3137b7 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -1448,12 +1448,8 @@ static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue) */ sock_set_linger(sock->sk, true, 0); - if (so_priority > 0) { - ret = kernel_setsockopt(sock, SOL_SOCKET, SO_PRIORITY, - (char *)&so_priority, sizeof(so_priority)); - if (ret) - return ret; - } + if (so_priority > 0) + sock_set_priority(sock->sk, so_priority); /* Set socket type of service */ if (inet->rcv_tos > 0) { @@ -1638,14 +1634,8 @@ static int nvmet_tcp_add_port(struct nvmet_port *nport) goto err_sock; } - if (so_priority > 0) { - ret = kernel_setsockopt(port->sock, SOL_SOCKET, SO_PRIORITY, - (char *)&so_priority, sizeof(so_priority)); - if (ret) { - pr_err("failed to set SO_PRIORITY sock opt %d\n", ret); - goto err_sock; - } - } + if (so_priority > 0) + sock_set_priority(port->sock->sk, so_priority); ret = kernel_bind(port->sock, (struct sockaddr *)&port->addr, sizeof(port->addr)); diff --git a/include/net/sock.h b/include/net/sock.h index 60890fb47fbc0..cce11782dc295 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2689,5 +2689,6 @@ static inline bool sk_dev_equal_l3scope(struct sock *sk, int dif) void sock_def_readable(struct sock *sk); void sock_set_reuseaddr(struct sock *sk, unsigned char reuse); void sock_set_linger(struct sock *sk, bool onoff, unsigned int linger); +void sock_set_priority(struct sock *sk, u32 priority); #endif /* _SOCK_H */ diff --git a/net/core/sock.c b/net/core/sock.c index cbc5104ca3515..e9f1e2247b004 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -744,6 +744,14 @@ void sock_set_linger(struct sock *sk, bool onoff, unsigned int linger) } EXPORT_SYMBOL(sock_set_linger); +void sock_set_priority(struct sock *sk, u32 priority) +{ + lock_sock(sk); + sk->sk_priority = priority; + release_sock(sk); +} +EXPORT_SYMBOL(sock_set_priority); + /* * This is meant for all protocols to use and covers goings on * at the socket level. Everything here is generic.