diff options
Diffstat (limited to 'fs/dlm/lowcomms.c')
| -rw-r--r-- | fs/dlm/lowcomms.c | 49 |
1 files changed, 34 insertions, 15 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 372c34ff8594..440dce99d0d9 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -116,6 +116,7 @@ struct writequeue_entry { struct dlm_node_addr { struct list_head list; int nodeid; + int mark; int addr_count; int curr_addr_index; struct sockaddr_storage *addr[DLM_MAX_ADDR_COUNT]; @@ -303,7 +304,8 @@ static int addr_compare(const struct sockaddr_storage *x, } static int nodeid_to_addr(int nodeid, struct sockaddr_storage *sas_out, - struct sockaddr *sa_out, bool try_new_addr) + struct sockaddr *sa_out, bool try_new_addr, + unsigned int *mark) { struct sockaddr_storage sas; struct dlm_node_addr *na; @@ -331,6 +333,8 @@ static int nodeid_to_addr(int nodeid, struct sockaddr_storage *sas_out, if (!na->addr_count) return -ENOENT; + *mark = na->mark; + if (sas_out) memcpy(sas_out, &sas, sizeof(struct sockaddr_storage)); @@ -350,7 +354,8 @@ static int nodeid_to_addr(int nodeid, struct sockaddr_storage *sas_out, return 0; } -static int addr_to_nodeid(struct sockaddr_storage *addr, int *nodeid) +static int addr_to_nodeid(struct sockaddr_storage *addr, int *nodeid, + unsigned int *mark) { struct dlm_node_addr *na; int rv = -EEXIST; @@ -364,6 +369,7 @@ static int addr_to_nodeid(struct sockaddr_storage *addr, int *nodeid) for (addr_i = 0; addr_i < na->addr_count; addr_i++) { if (addr_compare(na->addr[addr_i], addr)) { *nodeid = na->nodeid; + *mark = na->mark; rv = 0; goto unlock; } @@ -412,6 +418,7 @@ int dlm_lowcomms_addr(int nodeid, struct sockaddr_storage *addr, int len) new_node->nodeid = nodeid; new_node->addr[0] = new_addr; new_node->addr_count = 1; + new_node->mark = dlm_config.ci_mark; list_add(&new_node->list, &dlm_node_addrs); spin_unlock(&dlm_node_addrs_spin); return 0; @@ -519,6 +526,23 @@ int dlm_lowcomms_connect_node(int nodeid) return 0; } +int dlm_lowcomms_nodes_set_mark(int nodeid, unsigned int mark) +{ + struct dlm_node_addr *na; + + spin_lock(&dlm_node_addrs_spin); + na = find_node_addr(nodeid); + if (!na) { + spin_unlock(&dlm_node_addrs_spin); + return -ENOENT; + } + + na->mark = mark; + spin_unlock(&dlm_node_addrs_spin); + + return 0; +} + static void lowcomms_error_report(struct sock *sk) { struct connection *con; @@ -867,7 +891,7 @@ static int accept_from_sock(struct listen_connection *con) /* Get the new node's NODEID */ make_sockaddr(&peeraddr, 0, &len); - if (addr_to_nodeid(&peeraddr, &nodeid)) { + if (addr_to_nodeid(&peeraddr, &nodeid, &mark)) { unsigned char *b=(unsigned char *)&peeraddr; log_print("connect from non cluster node"); print_hex_dump_bytes("ss: ", DUMP_PREFIX_NONE, @@ -876,9 +900,6 @@ static int accept_from_sock(struct listen_connection *con) return -1; } - dlm_comm_mark(nodeid, &mark); - sock_set_mark(newsock->sk, mark); - log_print("got connection from %d", nodeid); /* Check to see if we already have a connection to this node. This @@ -892,6 +913,8 @@ static int accept_from_sock(struct listen_connection *con) goto accept_err; } + sock_set_mark(newsock->sk, mark); + mutex_lock(&newcon->sock_mutex); if (newcon->sock) { struct connection *othercon = newcon->othercon; @@ -1015,8 +1038,6 @@ static void sctp_connect_to_sock(struct connection *con) struct socket *sock; unsigned int mark; - dlm_comm_mark(con->nodeid, &mark); - mutex_lock(&con->sock_mutex); /* Some odd races can cause double-connects, ignore them */ @@ -1029,7 +1050,7 @@ static void sctp_connect_to_sock(struct connection *con) } memset(&daddr, 0, sizeof(daddr)); - result = nodeid_to_addr(con->nodeid, &daddr, NULL, true); + result = nodeid_to_addr(con->nodeid, &daddr, NULL, true, &mark); if (result < 0) { log_print("no address for nodeid %d", con->nodeid); goto out; @@ -1104,13 +1125,11 @@ out: static void tcp_connect_to_sock(struct connection *con) { struct sockaddr_storage saddr, src_addr; + unsigned int mark; int addr_len; struct socket *sock = NULL; - unsigned int mark; int result; - dlm_comm_mark(con->nodeid, &mark); - mutex_lock(&con->sock_mutex); if (con->retries++ > MAX_CONNECT_RETRIES) goto out; @@ -1125,15 +1144,15 @@ static void tcp_connect_to_sock(struct connection *con) if (result < 0) goto out_err; - sock_set_mark(sock->sk, mark); - memset(&saddr, 0, sizeof(saddr)); - result = nodeid_to_addr(con->nodeid, &saddr, NULL, false); + result = nodeid_to_addr(con->nodeid, &saddr, NULL, false, &mark); if (result < 0) { log_print("no address for nodeid %d", con->nodeid); goto out_err; } + sock_set_mark(sock->sk, mark); + add_sock(sock, con); /* Bind to our cluster-known address connecting to avoid |