From patchwork Wed Jun 10 14:00:12 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 29298 Received: from lists.samba.org (mail.samba.org [66.70.73.150]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n5AE0Ot9002898 for ; Wed, 10 Jun 2009 14:00:24 GMT Received: from dp.samba.org (localhost [127.0.0.1]) by lists.samba.org (Postfix) with ESMTP id 528DB163CCC for ; Wed, 10 Jun 2009 13:59:52 +0000 (GMT) X-Spam-Checker-Version: SpamAssassin 3.1.7 (2006-10-05) on dp.samba.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.8 tests=AWL,BAYES_00, FORGED_RCVD_HELO,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.1.7 X-Original-To: linux-cifs-client@lists.samba.org Delivered-To: linux-cifs-client@lists.samba.org Received: from mx2.redhat.com (mx2.redhat.com [66.187.237.31]) by lists.samba.org (Postfix) with ESMTP id 659D5163C15 for ; Wed, 10 Jun 2009 13:59:43 +0000 (GMT) Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n5AE0D4M027521; Wed, 10 Jun 2009 10:00:13 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx2.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n5AE0Caa011280; Wed, 10 Jun 2009 10:00:13 -0400 Received: from localhost.localdomain (vpn-13-11.rdu.redhat.com [10.11.13.11]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id n5AE0CLj000634; Wed, 10 Jun 2009 10:00:12 -0400 From: Jeff Layton To: smfrench@gmail.com Date: Wed, 10 Jun 2009 10:00:12 -0400 Message-Id: <1244642412-24435-1-git-send-email-jlayton@redhat.com> X-Scanned-By: MIMEDefang 2.58 on 172.16.27.26 Cc: linux-cifs-client@lists.samba.org Subject: [linux-cifs-client] [PATCH] mount.cifs: add support for sending IPv6 scope ID to kernel X-BeenThere: linux-cifs-client@lists.samba.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: The Linux CIFS VFS client List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-cifs-client-bounces+patchwork-cifs-client=patchwork.kernel.org@lists.samba.org Errors-To: linux-cifs-client-bounces+patchwork-cifs-client=patchwork.kernel.org@lists.samba.org When getaddrinfo returns an IPv6 address with a non-zero scope_id, send that to the kernel in the new ip6scope mount option. This allows people to mount servers via their link-local IPv6 addresses (assuming the kernel supports this option, of course). Signed-off-by: Jeff Layton --- client/mount.cifs.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/client/mount.cifs.c b/client/mount.cifs.c index 97144a0..840e4ae 100644 --- a/client/mount.cifs.c +++ b/client/mount.cifs.c @@ -1562,6 +1562,14 @@ mount_retry: } } + if (addr->ai_addr->sa_family == AF_INET6 && addr6->sin6_scope_id) { + strlcat(options, ",v6scope=", options_size); + current_len = strnlen(options, options_size); + optionstail = options + current_len; + snprintf(optionstail, options_size - current_len, "%u", + addr6->sin6_scope_id); + } + if (!fakemnt && mount(dev_name, mountpoint, "cifs", flags, options)) { switch (errno) { case ECONNREFUSED: