diff options
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/connect.c | 103 |
1 files changed, 50 insertions, 53 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index a36f4bd5a764..d6a3c1c8a6f8 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -102,19 +102,16 @@ struct smb_vol { }; static int ipv4_connect(struct TCP_Server_Info *server); -static int ipv6_connect(struct sockaddr_in6 *psin_server, - struct socket **csocket, bool noblocksnd); - - - /* - * cifs tcp session reconnection - * - * mark tcp session as reconnecting so temporarily locked - * mark all smb sessions as reconnecting for tcp session - * reconnect tcp session - * wake up waiters on reconnection? - (not needed currently) - */ +static int ipv6_connect(struct TCP_Server_Info *server); +/* + * cifs tcp session reconnection + * + * mark tcp session as reconnecting so temporarily locked + * mark all smb sessions as reconnecting for tcp session + * reconnect tcp session + * wake up waiters on reconnection? - (not needed currently) + */ static int cifs_reconnect(struct TCP_Server_Info *server) { @@ -183,8 +180,7 @@ cifs_reconnect(struct TCP_Server_Info *server) (server->tcpStatus != CifsGood)) { try_to_freeze(); if (server->addr.sockAddr6.sin6_family == AF_INET6) - rc = ipv6_connect(&server->addr.sockAddr6, - &server->ssocket, server->noautotune); + rc = ipv6_connect(server); else rc = ipv4_connect(server); if (rc) { @@ -1501,8 +1497,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info) memcpy(&tcp_ses->addr.sockAddr6, sin_server6, sizeof(struct sockaddr_in6)); sin_server6->sin6_port = htons(volume_info->port); - rc = ipv6_connect(sin_server6, &tcp_ses->ssocket, - volume_info->noblocksnd); + rc = ipv6_connect(tcp_ses); } else { memcpy(&tcp_ses->addr.sockAddr, sin_server, sizeof(struct sockaddr_in)); @@ -1875,79 +1870,81 @@ ipv4_connect(struct TCP_Server_Info *server) } static int -ipv6_connect(struct sockaddr_in6 *psin_server, struct socket **csocket, - bool noblocksnd) +ipv6_connect(struct TCP_Server_Info *server) { int rc = 0; - int connected = 0; + bool connected = false; __be16 orig_port = 0; + struct socket *socket = server->ssocket; - if (*csocket == NULL) { + if (socket == NULL) { rc = sock_create_kern(PF_INET6, SOCK_STREAM, - IPPROTO_TCP, csocket); + IPPROTO_TCP, &socket); if (rc < 0) { cERROR(1, ("Error %d creating ipv6 socket", rc)); - *csocket = NULL; + socket = NULL; return rc; - } else { - /* BB other socket options to set KEEPALIVE, NODELAY? */ - cFYI(1, ("ipv6 Socket created")); - (*csocket)->sk->sk_allocation = GFP_NOFS; - cifs_reclassify_socket6(*csocket); } - } - psin_server->sin6_family = AF_INET6; + /* BB other socket options to set KEEPALIVE, NODELAY? */ + cFYI(1, ("ipv6 Socket created")); + server->ssocket = socket; + socket->sk->sk_allocation = GFP_NOFS; + cifs_reclassify_socket6(socket); + } - if (psin_server->sin6_port) { /* user overrode default port */ - rc = (*csocket)->ops->connect(*csocket, - (struct sockaddr *) psin_server, + /* user overrode default port */ + if (server->addr.sockAddr6.sin6_port) { + rc = socket->ops->connect(socket, + (struct sockaddr *) &server->addr.sockAddr6, sizeof(struct sockaddr_in6), 0); if (rc >= 0) - connected = 1; + connected = true; } if (!connected) { /* save original port so we can retry user specified port later if fall back ports fail this time */ - orig_port = psin_server->sin6_port; + orig_port = server->addr.sockAddr6.sin6_port; /* do not retry on the same port we just failed on */ - if (psin_server->sin6_port != htons(CIFS_PORT)) { - psin_server->sin6_port = htons(CIFS_PORT); - - rc = (*csocket)->ops->connect(*csocket, - (struct sockaddr *) psin_server, + if (server->addr.sockAddr6.sin6_port != htons(CIFS_PORT)) { + server->addr.sockAddr6.sin6_port = htons(CIFS_PORT); + rc = socket->ops->connect(socket, (struct sockaddr *) + &server->addr.sockAddr6, sizeof(struct sockaddr_in6), 0); if (rc >= 0) - connected = 1; + connected = true; } } if (!connected) { - psin_server->sin6_port = htons(RFC1001_PORT); - rc = (*csocket)->ops->connect(*csocket, (struct sockaddr *) - psin_server, sizeof(struct sockaddr_in6), 0); + server->addr.sockAddr6.sin6_port = htons(RFC1001_PORT); + rc = socket->ops->connect(socket, (struct sockaddr *) + &server->addr.sockAddr6, + sizeof(struct sockaddr_in6), 0); if (rc >= 0) - connected = 1; + connected = true; } /* give up here - unless we want to retry on different protocol families some day */ if (!connected) { if (orig_port) - psin_server->sin6_port = orig_port; + server->addr.sockAddr6.sin6_port = orig_port; cFYI(1, ("Error %d connecting to server via ipv6", rc)); - sock_release(*csocket); - *csocket = NULL; + sock_release(socket); + server->ssocket = NULL; return rc; } - /* Eventually check for other socket options to change from - the default. sock_setsockopt not used because it expects - user space buffer */ - (*csocket)->sk->sk_rcvtimeo = 7 * HZ; - if (!noblocksnd) - (*csocket)->sk->sk_sndtimeo = 3 * HZ; + /* + * Eventually check for other socket options to change from + * the default. sock_setsockopt not used because it expects + * user space buffer + */ + socket->sk->sk_rcvtimeo = 7 * HZ; + socket->sk->sk_sndtimeo = 3 * HZ; + server->ssocket = socket; return rc; } |