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Diffstat (limited to 'fs/ocfs2/cluster/tcp.c')
-rw-r--r--fs/ocfs2/cluster/tcp.c139
1 files changed, 73 insertions, 66 deletions
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index db5ee4b4f47..044e7b58d31 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -59,6 +59,7 @@
#include <linux/idr.h>
#include <linux/kref.h>
#include <linux/net.h>
+#include <linux/export.h>
#include <net/tcp.h>
#include <asm/uaccess.h>
@@ -545,7 +546,7 @@ static void o2net_set_nn_state(struct o2net_node *nn,
}
if (was_valid && !valid) {
- printk(KERN_NOTICE "o2net: no longer connected to "
+ printk(KERN_NOTICE "o2net: No longer connected to "
SC_NODEF_FMT "\n", SC_NODEF_ARGS(old_sc));
o2net_complete_nodes_nsw(nn);
}
@@ -555,7 +556,7 @@ static void o2net_set_nn_state(struct o2net_node *nn,
cancel_delayed_work(&nn->nn_connect_expired);
printk(KERN_NOTICE "o2net: %s " SC_NODEF_FMT "\n",
o2nm_this_node() > sc->sc_node->nd_num ?
- "connected to" : "accepted connection from",
+ "Connected to" : "Accepted connection from",
SC_NODEF_ARGS(sc));
}
@@ -643,7 +644,7 @@ static void o2net_state_change(struct sock *sk)
o2net_sc_queue_work(sc, &sc->sc_connect_work);
break;
default:
- printk(KERN_INFO "o2net: connection to " SC_NODEF_FMT
+ printk(KERN_INFO "o2net: Connection to " SC_NODEF_FMT
" shutdown, state %d\n",
SC_NODEF_ARGS(sc), sk->sk_state);
o2net_sc_queue_work(sc, &sc->sc_shutdown_work);
@@ -1034,6 +1035,25 @@ static int o2net_tx_can_proceed(struct o2net_node *nn,
return ret;
}
+/* Get a map of all nodes to which this node is currently connected to */
+void o2net_fill_node_map(unsigned long *map, unsigned bytes)
+{
+ struct o2net_sock_container *sc;
+ int node, ret;
+
+ BUG_ON(bytes < (BITS_TO_LONGS(O2NM_MAX_NODES) * sizeof(unsigned long)));
+
+ memset(map, 0, bytes);
+ for (node = 0; node < O2NM_MAX_NODES; ++node) {
+ o2net_tx_can_proceed(o2net_nn_from_num(node), &sc, &ret);
+ if (!ret) {
+ set_bit(node, map);
+ sc_put(sc);
+ }
+ }
+}
+EXPORT_SYMBOL_GPL(o2net_fill_node_map);
+
int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
size_t caller_veclen, u8 target_node, int *status)
{
@@ -1284,11 +1304,11 @@ static int o2net_check_handshake(struct o2net_sock_container *sc)
struct o2net_node *nn = o2net_nn_from_num(sc->sc_node->nd_num);
if (hand->protocol_version != cpu_to_be64(O2NET_PROTOCOL_VERSION)) {
- mlog(ML_NOTICE, SC_NODEF_FMT " advertised net protocol "
- "version %llu but %llu is required, disconnecting\n",
- SC_NODEF_ARGS(sc),
- (unsigned long long)be64_to_cpu(hand->protocol_version),
- O2NET_PROTOCOL_VERSION);
+ printk(KERN_NOTICE "o2net: " SC_NODEF_FMT " Advertised net "
+ "protocol version %llu but %llu is required. "
+ "Disconnecting.\n", SC_NODEF_ARGS(sc),
+ (unsigned long long)be64_to_cpu(hand->protocol_version),
+ O2NET_PROTOCOL_VERSION);
/* don't bother reconnecting if its the wrong version. */
o2net_ensure_shutdown(nn, sc, -ENOTCONN);
@@ -1302,33 +1322,33 @@ static int o2net_check_handshake(struct o2net_sock_container *sc)
*/
if (be32_to_cpu(hand->o2net_idle_timeout_ms) !=
o2net_idle_timeout()) {
- mlog(ML_NOTICE, SC_NODEF_FMT " uses a network idle timeout of "
- "%u ms, but we use %u ms locally. disconnecting\n",
- SC_NODEF_ARGS(sc),
- be32_to_cpu(hand->o2net_idle_timeout_ms),
- o2net_idle_timeout());
+ printk(KERN_NOTICE "o2net: " SC_NODEF_FMT " uses a network "
+ "idle timeout of %u ms, but we use %u ms locally. "
+ "Disconnecting.\n", SC_NODEF_ARGS(sc),
+ be32_to_cpu(hand->o2net_idle_timeout_ms),
+ o2net_idle_timeout());
o2net_ensure_shutdown(nn, sc, -ENOTCONN);
return -1;
}
if (be32_to_cpu(hand->o2net_keepalive_delay_ms) !=
o2net_keepalive_delay()) {
- mlog(ML_NOTICE, SC_NODEF_FMT " uses a keepalive delay of "
- "%u ms, but we use %u ms locally. disconnecting\n",
- SC_NODEF_ARGS(sc),
- be32_to_cpu(hand->o2net_keepalive_delay_ms),
- o2net_keepalive_delay());
+ printk(KERN_NOTICE "o2net: " SC_NODEF_FMT " uses a keepalive "
+ "delay of %u ms, but we use %u ms locally. "
+ "Disconnecting.\n", SC_NODEF_ARGS(sc),
+ be32_to_cpu(hand->o2net_keepalive_delay_ms),
+ o2net_keepalive_delay());
o2net_ensure_shutdown(nn, sc, -ENOTCONN);
return -1;
}
if (be32_to_cpu(hand->o2hb_heartbeat_timeout_ms) !=
O2HB_MAX_WRITE_TIMEOUT_MS) {
- mlog(ML_NOTICE, SC_NODEF_FMT " uses a heartbeat timeout of "
- "%u ms, but we use %u ms locally. disconnecting\n",
- SC_NODEF_ARGS(sc),
- be32_to_cpu(hand->o2hb_heartbeat_timeout_ms),
- O2HB_MAX_WRITE_TIMEOUT_MS);
+ printk(KERN_NOTICE "o2net: " SC_NODEF_FMT " uses a heartbeat "
+ "timeout of %u ms, but we use %u ms locally. "
+ "Disconnecting.\n", SC_NODEF_ARGS(sc),
+ be32_to_cpu(hand->o2hb_heartbeat_timeout_ms),
+ O2HB_MAX_WRITE_TIMEOUT_MS);
o2net_ensure_shutdown(nn, sc, -ENOTCONN);
return -1;
}
@@ -1539,28 +1559,16 @@ static void o2net_idle_timer(unsigned long data)
{
struct o2net_sock_container *sc = (struct o2net_sock_container *)data;
struct o2net_node *nn = o2net_nn_from_num(sc->sc_node->nd_num);
-
#ifdef CONFIG_DEBUG_FS
- ktime_t now = ktime_get();
+ unsigned long msecs = ktime_to_ms(ktime_get()) -
+ ktime_to_ms(sc->sc_tv_timer);
+#else
+ unsigned long msecs = o2net_idle_timeout();
#endif
- printk(KERN_NOTICE "o2net: connection to " SC_NODEF_FMT " has been idle for %u.%u "
- "seconds, shutting it down.\n", SC_NODEF_ARGS(sc),
- o2net_idle_timeout() / 1000,
- o2net_idle_timeout() % 1000);
-
-#ifdef CONFIG_DEBUG_FS
- mlog(ML_NOTICE, "Here are some times that might help debug the "
- "situation: (Timer: %lld, Now %lld, DataReady %lld, Advance %lld-%lld, "
- "Key 0x%08x, Func %u, FuncTime %lld-%lld)\n",
- (long long)ktime_to_us(sc->sc_tv_timer), (long long)ktime_to_us(now),
- (long long)ktime_to_us(sc->sc_tv_data_ready),
- (long long)ktime_to_us(sc->sc_tv_advance_start),
- (long long)ktime_to_us(sc->sc_tv_advance_stop),
- sc->sc_msg_key, sc->sc_msg_type,
- (long long)ktime_to_us(sc->sc_tv_func_start),
- (long long)ktime_to_us(sc->sc_tv_func_stop));
-#endif
+ printk(KERN_NOTICE "o2net: Connection to " SC_NODEF_FMT " has been "
+ "idle for %lu.%lu secs, shutting it down.\n", SC_NODEF_ARGS(sc),
+ msecs / 1000, msecs % 1000);
/*
* Initialize the nn_timeout so that the next connection attempt
@@ -1693,8 +1701,8 @@ static void o2net_start_connect(struct work_struct *work)
out:
if (ret) {
- mlog(ML_NOTICE, "connect attempt to " SC_NODEF_FMT " failed "
- "with errno %d\n", SC_NODEF_ARGS(sc), ret);
+ printk(KERN_NOTICE "o2net: Connect attempt to " SC_NODEF_FMT
+ " failed with errno %d\n", SC_NODEF_ARGS(sc), ret);
/* 0 err so that another will be queued and attempted
* from set_nn_state */
if (sc)
@@ -1717,8 +1725,8 @@ static void o2net_connect_expired(struct work_struct *work)
spin_lock(&nn->nn_lock);
if (!nn->nn_sc_valid) {
- mlog(ML_ERROR, "no connection established with node %u after "
- "%u.%u seconds, giving up and returning errors.\n",
+ printk(KERN_NOTICE "o2net: No connection established with "
+ "node %u after %u.%u seconds, giving up.\n",
o2net_num_from_nn(nn),
o2net_idle_timeout() / 1000,
o2net_idle_timeout() % 1000);
@@ -1861,21 +1869,21 @@ static int o2net_accept_one(struct socket *sock)
node = o2nm_get_node_by_ip(sin.sin_addr.s_addr);
if (node == NULL) {
- mlog(ML_NOTICE, "attempt to connect from unknown node at %pI4:%d\n",
- &sin.sin_addr.s_addr, ntohs(sin.sin_port));
+ printk(KERN_NOTICE "o2net: Attempt to connect from unknown "
+ "node at %pI4:%d\n", &sin.sin_addr.s_addr,
+ ntohs(sin.sin_port));
ret = -EINVAL;
goto out;
}
if (o2nm_this_node() >= node->nd_num) {
local_node = o2nm_get_node_by_num(o2nm_this_node());
- mlog(ML_NOTICE, "unexpected connect attempt seen at node '%s' ("
- "%u, %pI4:%d) from node '%s' (%u, %pI4:%d)\n",
- local_node->nd_name, local_node->nd_num,
- &(local_node->nd_ipv4_address),
- ntohs(local_node->nd_ipv4_port),
- node->nd_name, node->nd_num, &sin.sin_addr.s_addr,
- ntohs(sin.sin_port));
+ printk(KERN_NOTICE "o2net: Unexpected connect attempt seen "
+ "at node '%s' (%u, %pI4:%d) from node '%s' (%u, "
+ "%pI4:%d)\n", local_node->nd_name, local_node->nd_num,
+ &(local_node->nd_ipv4_address),
+ ntohs(local_node->nd_ipv4_port), node->nd_name,
+ node->nd_num, &sin.sin_addr.s_addr, ntohs(sin.sin_port));
ret = -EINVAL;
goto out;
}
@@ -1900,10 +1908,10 @@ static int o2net_accept_one(struct socket *sock)
ret = 0;
spin_unlock(&nn->nn_lock);
if (ret) {
- mlog(ML_NOTICE, "attempt to connect from node '%s' at "
- "%pI4:%d but it already has an open connection\n",
- node->nd_name, &sin.sin_addr.s_addr,
- ntohs(sin.sin_port));
+ printk(KERN_NOTICE "o2net: Attempt to connect from node '%s' "
+ "at %pI4:%d but it already has an open connection\n",
+ node->nd_name, &sin.sin_addr.s_addr,
+ ntohs(sin.sin_port));
goto out;
}
@@ -1983,7 +1991,7 @@ static int o2net_open_listening_sock(__be32 addr, __be16 port)
ret = sock_create(PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock);
if (ret < 0) {
- mlog(ML_ERROR, "unable to create socket, ret=%d\n", ret);
+ printk(KERN_ERR "o2net: Error %d while creating socket\n", ret);
goto out;
}
@@ -2000,16 +2008,15 @@ static int o2net_open_listening_sock(__be32 addr, __be16 port)
sock->sk->sk_reuse = 1;
ret = sock->ops->bind(sock, (struct sockaddr *)&sin, sizeof(sin));
if (ret < 0) {
- mlog(ML_ERROR, "unable to bind socket at %pI4:%u, "
- "ret=%d\n", &addr, ntohs(port), ret);
+ printk(KERN_ERR "o2net: Error %d while binding socket at "
+ "%pI4:%u\n", ret, &addr, ntohs(port));
goto out;
}
ret = sock->ops->listen(sock, 64);
- if (ret < 0) {
- mlog(ML_ERROR, "unable to listen on %pI4:%u, ret=%d\n",
- &addr, ntohs(port), ret);
- }
+ if (ret < 0)
+ printk(KERN_ERR "o2net: Error %d while listening on %pI4:%u\n",
+ ret, &addr, ntohs(port));
out:
if (ret) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 08:19:23 +0000