aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ocfs2/cluster/tcp.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ocfs2/cluster/tcp.c')
-rw-r--r--fs/ocfs2/cluster/tcp.c78
1 files changed, 44 insertions, 34 deletions
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index b650efa8c8be..9b3209dc0b16 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -140,11 +140,11 @@ static int o2net_sys_err_translations[O2NET_ERR_MAX] =
140 [O2NET_ERR_DIED] = -EHOSTDOWN,}; 140 [O2NET_ERR_DIED] = -EHOSTDOWN,};
141 141
142/* can't quite avoid *all* internal declarations :/ */ 142/* can't quite avoid *all* internal declarations :/ */
143static void o2net_sc_connect_completed(void *arg); 143static void o2net_sc_connect_completed(struct work_struct *work);
144static void o2net_rx_until_empty(void *arg); 144static void o2net_rx_until_empty(struct work_struct *work);
145static void o2net_shutdown_sc(void *arg); 145static void o2net_shutdown_sc(struct work_struct *work);
146static void o2net_listen_data_ready(struct sock *sk, int bytes); 146static void o2net_listen_data_ready(struct sock *sk, int bytes);
147static void o2net_sc_send_keep_req(void *arg); 147static void o2net_sc_send_keep_req(struct work_struct *work);
148static void o2net_idle_timer(unsigned long data); 148static void o2net_idle_timer(unsigned long data);
149static void o2net_sc_postpone_idle(struct o2net_sock_container *sc); 149static void o2net_sc_postpone_idle(struct o2net_sock_container *sc);
150 150
@@ -308,10 +308,10 @@ static struct o2net_sock_container *sc_alloc(struct o2nm_node *node)
308 o2nm_node_get(node); 308 o2nm_node_get(node);
309 sc->sc_node = node; 309 sc->sc_node = node;
310 310
311 INIT_WORK(&sc->sc_connect_work, o2net_sc_connect_completed, sc); 311 INIT_WORK(&sc->sc_connect_work, o2net_sc_connect_completed);
312 INIT_WORK(&sc->sc_rx_work, o2net_rx_until_empty, sc); 312 INIT_WORK(&sc->sc_rx_work, o2net_rx_until_empty);
313 INIT_WORK(&sc->sc_shutdown_work, o2net_shutdown_sc, sc); 313 INIT_WORK(&sc->sc_shutdown_work, o2net_shutdown_sc);
314 INIT_WORK(&sc->sc_keepalive_work, o2net_sc_send_keep_req, sc); 314 INIT_DELAYED_WORK(&sc->sc_keepalive_work, o2net_sc_send_keep_req);
315 315
316 init_timer(&sc->sc_idle_timeout); 316 init_timer(&sc->sc_idle_timeout);
317 sc->sc_idle_timeout.function = o2net_idle_timer; 317 sc->sc_idle_timeout.function = o2net_idle_timer;
@@ -342,7 +342,7 @@ static void o2net_sc_queue_work(struct o2net_sock_container *sc,
342 sc_put(sc); 342 sc_put(sc);
343} 343}
344static void o2net_sc_queue_delayed_work(struct o2net_sock_container *sc, 344static void o2net_sc_queue_delayed_work(struct o2net_sock_container *sc,
345 struct work_struct *work, 345 struct delayed_work *work,
346 int delay) 346 int delay)
347{ 347{
348 sc_get(sc); 348 sc_get(sc);
@@ -350,7 +350,7 @@ static void o2net_sc_queue_delayed_work(struct o2net_sock_container *sc,
350 sc_put(sc); 350 sc_put(sc);
351} 351}
352static void o2net_sc_cancel_delayed_work(struct o2net_sock_container *sc, 352static void o2net_sc_cancel_delayed_work(struct o2net_sock_container *sc,
353 struct work_struct *work) 353 struct delayed_work *work)
354{ 354{
355 if (cancel_delayed_work(work)) 355 if (cancel_delayed_work(work))
356 sc_put(sc); 356 sc_put(sc);
@@ -564,9 +564,11 @@ static void o2net_ensure_shutdown(struct o2net_node *nn,
564 * ourselves as state_change couldn't get the nn_lock and call set_nn_state 564 * ourselves as state_change couldn't get the nn_lock and call set_nn_state
565 * itself. 565 * itself.
566 */ 566 */
567static void o2net_shutdown_sc(void *arg) 567static void o2net_shutdown_sc(struct work_struct *work)
568{ 568{
569 struct o2net_sock_container *sc = arg; 569 struct o2net_sock_container *sc =
570 container_of(work, struct o2net_sock_container,
571 sc_shutdown_work);
570 struct o2net_node *nn = o2net_nn_from_num(sc->sc_node->nd_num); 572 struct o2net_node *nn = o2net_nn_from_num(sc->sc_node->nd_num);
571 573
572 sclog(sc, "shutting down\n"); 574 sclog(sc, "shutting down\n");
@@ -1201,9 +1203,10 @@ out:
1201/* this work func is triggerd by data ready. it reads until it can read no 1203/* this work func is triggerd by data ready. it reads until it can read no
1202 * more. it interprets 0, eof, as fatal. if data_ready hits while we're doing 1204 * more. it interprets 0, eof, as fatal. if data_ready hits while we're doing
1203 * our work the work struct will be marked and we'll be called again. */ 1205 * our work the work struct will be marked and we'll be called again. */
1204static void o2net_rx_until_empty(void *arg) 1206static void o2net_rx_until_empty(struct work_struct *work)
1205{ 1207{
1206 struct o2net_sock_container *sc = arg; 1208 struct o2net_sock_container *sc =
1209 container_of(work, struct o2net_sock_container, sc_rx_work);
1207 int ret; 1210 int ret;
1208 1211
1209 do { 1212 do {
@@ -1249,9 +1252,11 @@ static int o2net_set_nodelay(struct socket *sock)
1249 1252
1250/* called when a connect completes and after a sock is accepted. the 1253/* called when a connect completes and after a sock is accepted. the
1251 * rx path will see the response and mark the sc valid */ 1254 * rx path will see the response and mark the sc valid */
1252static void o2net_sc_connect_completed(void *arg) 1255static void o2net_sc_connect_completed(struct work_struct *work)
1253{ 1256{
1254 struct o2net_sock_container *sc = arg; 1257 struct o2net_sock_container *sc =
1258 container_of(work, struct o2net_sock_container,
1259 sc_connect_work);
1255 1260
1256 mlog(ML_MSG, "sc sending handshake with ver %llu id %llx\n", 1261 mlog(ML_MSG, "sc sending handshake with ver %llu id %llx\n",
1257 (unsigned long long)O2NET_PROTOCOL_VERSION, 1262 (unsigned long long)O2NET_PROTOCOL_VERSION,
@@ -1262,9 +1267,11 @@ static void o2net_sc_connect_completed(void *arg)
1262} 1267}
1263 1268
1264/* this is called as a work_struct func. */ 1269/* this is called as a work_struct func. */
1265static void o2net_sc_send_keep_req(void *arg) 1270static void o2net_sc_send_keep_req(struct work_struct *work)
1266{ 1271{
1267 struct o2net_sock_container *sc = arg; 1272 struct o2net_sock_container *sc =
1273 container_of(work, struct o2net_sock_container,
1274 sc_keepalive_work.work);
1268 1275
1269 o2net_sendpage(sc, o2net_keep_req, sizeof(*o2net_keep_req)); 1276 o2net_sendpage(sc, o2net_keep_req, sizeof(*o2net_keep_req));
1270 sc_put(sc); 1277 sc_put(sc);
@@ -1314,14 +1321,15 @@ static void o2net_sc_postpone_idle(struct o2net_sock_container *sc)
1314 * having a connect attempt fail, etc. This centralizes the logic which decides 1321 * having a connect attempt fail, etc. This centralizes the logic which decides
1315 * if a connect attempt should be made or if we should give up and all future 1322 * if a connect attempt should be made or if we should give up and all future
1316 * transmit attempts should fail */ 1323 * transmit attempts should fail */
1317static void o2net_start_connect(void *arg) 1324static void o2net_start_connect(struct work_struct *work)
1318{ 1325{
1319 struct o2net_node *nn = arg; 1326 struct o2net_node *nn =
1327 container_of(work, struct o2net_node, nn_connect_work.work);
1320 struct o2net_sock_container *sc = NULL; 1328 struct o2net_sock_container *sc = NULL;
1321 struct o2nm_node *node = NULL, *mynode = NULL; 1329 struct o2nm_node *node = NULL, *mynode = NULL;
1322 struct socket *sock = NULL; 1330 struct socket *sock = NULL;
1323 struct sockaddr_in myaddr = {0, }, remoteaddr = {0, }; 1331 struct sockaddr_in myaddr = {0, }, remoteaddr = {0, };
1324 int ret = 0; 1332 int ret = 0, stop;
1325 1333
1326 /* if we're greater we initiate tx, otherwise we accept */ 1334 /* if we're greater we initiate tx, otherwise we accept */
1327 if (o2nm_this_node() <= o2net_num_from_nn(nn)) 1335 if (o2nm_this_node() <= o2net_num_from_nn(nn))
@@ -1342,10 +1350,9 @@ static void o2net_start_connect(void *arg)
1342 1350
1343 spin_lock(&nn->nn_lock); 1351 spin_lock(&nn->nn_lock);
1344 /* see if we already have one pending or have given up */ 1352 /* see if we already have one pending or have given up */
1345 if (nn->nn_sc || nn->nn_persistent_error) 1353 stop = (nn->nn_sc || nn->nn_persistent_error);
1346 arg = NULL;
1347 spin_unlock(&nn->nn_lock); 1354 spin_unlock(&nn->nn_lock);
1348 if (arg == NULL) /* *shrug*, needed some indicator */ 1355 if (stop)
1349 goto out; 1356 goto out;
1350 1357
1351 nn->nn_last_connect_attempt = jiffies; 1358 nn->nn_last_connect_attempt = jiffies;
@@ -1421,9 +1428,10 @@ out:
1421 return; 1428 return;
1422} 1429}
1423 1430
1424static void o2net_connect_expired(void *arg) 1431static void o2net_connect_expired(struct work_struct *work)
1425{ 1432{
1426 struct o2net_node *nn = arg; 1433 struct o2net_node *nn =
1434 container_of(work, struct o2net_node, nn_connect_expired.work);
1427 1435
1428 spin_lock(&nn->nn_lock); 1436 spin_lock(&nn->nn_lock);
1429 if (!nn->nn_sc_valid) { 1437 if (!nn->nn_sc_valid) {
@@ -1436,9 +1444,10 @@ static void o2net_connect_expired(void *arg)
1436 spin_unlock(&nn->nn_lock); 1444 spin_unlock(&nn->nn_lock);
1437} 1445}
1438 1446
1439static void o2net_still_up(void *arg) 1447static void o2net_still_up(struct work_struct *work)
1440{ 1448{
1441 struct o2net_node *nn = arg; 1449 struct o2net_node *nn =
1450 container_of(work, struct o2net_node, nn_still_up.work);
1442 1451
1443 o2quo_hb_still_up(o2net_num_from_nn(nn)); 1452 o2quo_hb_still_up(o2net_num_from_nn(nn));
1444} 1453}
@@ -1644,9 +1653,9 @@ out:
1644 return ret; 1653 return ret;
1645} 1654}
1646 1655
1647static void o2net_accept_many(void *arg) 1656static void o2net_accept_many(struct work_struct *work)
1648{ 1657{
1649 struct socket *sock = arg; 1658 struct socket *sock = o2net_listen_sock;
1650 while (o2net_accept_one(sock) == 0) 1659 while (o2net_accept_one(sock) == 0)
1651 cond_resched(); 1660 cond_resched();
1652} 1661}
@@ -1700,7 +1709,7 @@ static int o2net_open_listening_sock(__be16 port)
1700 write_unlock_bh(&sock->sk->sk_callback_lock); 1709 write_unlock_bh(&sock->sk->sk_callback_lock);
1701 1710
1702 o2net_listen_sock = sock; 1711 o2net_listen_sock = sock;
1703 INIT_WORK(&o2net_listen_work, o2net_accept_many, sock); 1712 INIT_WORK(&o2net_listen_work, o2net_accept_many);
1704 1713
1705 sock->sk->sk_reuse = 1; 1714 sock->sk->sk_reuse = 1;
1706 ret = sock->ops->bind(sock, (struct sockaddr *)&sin, sizeof(sin)); 1715 ret = sock->ops->bind(sock, (struct sockaddr *)&sin, sizeof(sin));
@@ -1819,9 +1828,10 @@ int o2net_init(void)
1819 struct o2net_node *nn = o2net_nn_from_num(i); 1828 struct o2net_node *nn = o2net_nn_from_num(i);
1820 1829
1821 spin_lock_init(&nn->nn_lock); 1830 spin_lock_init(&nn->nn_lock);
1822 INIT_WORK(&nn->nn_connect_work, o2net_start_connect, nn); 1831 INIT_DELAYED_WORK(&nn->nn_connect_work, o2net_start_connect);
1823 INIT_WORK(&nn->nn_connect_expired, o2net_connect_expired, nn); 1832 INIT_DELAYED_WORK(&nn->nn_connect_expired,
1824 INIT_WORK(&nn->nn_still_up, o2net_still_up, nn); 1833 o2net_connect_expired);
1834 INIT_DELAYED_WORK(&nn->nn_still_up, o2net_still_up);
1825 /* until we see hb from a node we'll return einval */ 1835 /* until we see hb from a node we'll return einval */
1826 nn->nn_persistent_error = -ENOTCONN; 1836 nn->nn_persistent_error = -ENOTCONN;
1827 init_waitqueue_head(&nn->nn_sc_wq); 1837 init_waitqueue_head(&nn->nn_sc_wq);