From patchwork Wed May 13 06:26:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11544839 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 95F8C1668 for ; Wed, 13 May 2020 06:29:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E408206A5 for ; Wed, 13 May 2020 06:29:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="bg0Uo11G" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732294AbgEMG3Z (ORCPT ); Wed, 13 May 2020 02:29:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732256AbgEMG3R (ORCPT ); Wed, 13 May 2020 02:29:17 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37949C061A0C; Tue, 12 May 2020 23:29:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=5TSZ8ysmfXzR1IyTmnCaDhVaLMJELOeh31MTPRTaaRg=; b=bg0Uo11GWZx6GNXGrHbkE3nXm0 taqofikn5nC4WaRZXCxqiSLdyTkTTFW5UNIP24uAjeFOM0EGzvoL482lUYdOvuu8ct1+aXLqQRisK 6IYJ3L4rSu39PvpsULY2UJkLwdTRuDVZY8Fco6Or/xpdxPXu9+REO84oBiXIgLQEKEUsbndw+l3jD P/kY4BPZ6CSprNiOIYEi+t10fgZtRaBF0v01Zui1LQjdoJY7+Y9FsoK3ElMqA/MVS2tzQavYzdHYF H9zewZGSEh4qP5IaY/4GsS2p/qUC1IRH7wlQcQHP9T+NHtpHjccmmK3YGr7hqB0o89AydBPZb9WDB HSJ6jAGA==; 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 1jYksI-000522-Iw; Wed, 13 May 2020 06:28:15 +0000 From: Christoph Hellwig To: "David S. Miller" , Jakub Kicinski Cc: Eric Dumazet , Alexey Kuznetsov , Hideaki YOSHIFUJI , Vlad Yasevich , Neil Horman , Marcelo Ricardo Leitner , Jon Maloy , Ying Xue , drbd-dev@lists.linbit.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux-nvme@lists.infradead.org, target-devel@vger.kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, cluster-devel@redhat.com, ocfs2-devel@oss.oracle.com, netdev@vger.kernel.org, linux-sctp@vger.kernel.org, ceph-devel@vger.kernel.org, rds-devel@oss.oracle.com, linux-nfs@vger.kernel.org Subject: [PATCH 27/33] sctp: export sctp_setsockopt_bindx Date: Wed, 13 May 2020 08:26:42 +0200 Message-Id: <20200513062649.2100053-28-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 Sender: target-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org And call it directly from dlm instead of going through kernel_setsockopt. Signed-off-by: Christoph Hellwig --- fs/dlm/lowcomms.c | 13 ++++++++----- include/net/sctp/sctp.h | 3 +++ net/sctp/socket.c | 5 +++-- 3 files changed, 14 insertions(+), 7 deletions(-) diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index b722a09a7ca05..e4939d770df53 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -1005,14 +1005,17 @@ static int sctp_bind_addrs(struct connection *con, uint16_t port) memcpy(&localaddr, dlm_local_addr[i], sizeof(localaddr)); make_sockaddr(&localaddr, port, &addr_len); - if (!i) + if (!i) { result = kernel_bind(con->sock, (struct sockaddr *)&localaddr, addr_len); - else - result = kernel_setsockopt(con->sock, SOL_SCTP, - SCTP_SOCKOPT_BINDX_ADD, - (char *)&localaddr, addr_len); + } else { + lock_sock(con->sock->sk); + result = sctp_setsockopt_bindx(con->sock->sk, + (struct sockaddr *)&localaddr, addr_len, + SCTP_BINDX_ADD_ADDR); + release_sock(con->sock->sk); + } if (result < 0) { log_print("Can't bind to %d addr number %d, %d.\n", diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 3ab5c6bbb90bd..f702b14d768ba 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -615,4 +615,7 @@ static inline bool sctp_newsk_ready(const struct sock *sk) return sock_flag(sk, SOCK_DEAD) || sk->sk_socket; } +int sctp_setsockopt_bindx(struct sock *sk, struct sockaddr *kaddrs, + int addrs_size, int op); + #endif /* __net_sctp_h__ */ diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 1c96b52c4aa28..30c981d9f6158 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -979,8 +979,8 @@ int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw) * * Returns 0 if ok, <0 errno code on error. */ -static int sctp_setsockopt_bindx(struct sock *sk, struct sockaddr *kaddrs, - int addrs_size, int op) +int sctp_setsockopt_bindx(struct sock *sk, struct sockaddr *kaddrs, + int addrs_size, int op) { int err; int addrcnt = 0; @@ -1032,6 +1032,7 @@ static int sctp_setsockopt_bindx(struct sock *sk, struct sockaddr *kaddrs, return -EINVAL; } } +EXPORT_SYMBOL(sctp_setsockopt_bindx); static int sctp_connect_new_asoc(struct sctp_endpoint *ep, const union sctp_addr *daddr,