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rds: tcp: remove cp_outgoing

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After commit 1a0e100fb2 ("RDS: TCP: Force every connection to be
initiated by numerically smaller IP address") we no longer need
the logic associated with cp_outgoing, so clean up usage of this
field.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Tested-by: Imanti Mendez <imanti.mendez@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sowmini Varadhan 2017-06-15 11:28:53 -07:00 committed by David S. Miller
parent 5f886eefbb
commit 41500c3e2a
4 changed files with 4 additions and 23 deletions
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5
net/rds/connection.c
View File

@ -124,11 +124,6 @@ static void __rds_conn_path_init(struct rds_connection *conn,
cp->cp_conn = conn;
atomic_set(&cp->cp_state, RDS_CONN_DOWN);
cp->cp_send_gen = 0;
/* cp_outgoing is per-path. So we can only set it here
* for the single-path transports.
*/
if (!conn->c_trans->t_mp_capable)
cp->cp_outgoing = (is_outgoing ? 1 : 0);
cp->cp_reconnect_jiffies = 0;
INIT_DELAYED_WORK(&cp->cp_send_w, rds_send_worker);
INIT_DELAYED_WORK(&cp->cp_recv_w, rds_recv_worker);

2
net/rds/rds.h
View File

@ -125,8 +125,6 @@ struct rds_conn_path {
unsigned int cp_unacked_packets;
unsigned int cp_unacked_bytes;
unsigned int cp_outgoing:1,
cp_pad_to_32:31;
unsigned int cp_index;
};

1
net/rds/tcp_connect.c
View File

@ -135,7 +135,6 @@ int rds_tcp_conn_path_connect(struct rds_conn_path *cp)
ret = sock->ops->connect(sock, (struct sockaddr *)&dest, sizeof(dest),
O_NONBLOCK);
cp->cp_outgoing = 1;
rdsdebug("connect to address %pI4 returned %d\n", &conn->c_faddr, ret);
if (ret == -EINPROGRESS)
ret = 0;

19
net/rds/tcp_listen.c
View File

@ -171,21 +171,10 @@ int rds_tcp_accept_one(struct socket *sock)
if (conn_state != RDS_CONN_CONNECTING && conn_state != RDS_CONN_ERROR)
goto rst_nsk;
if (rs_tcp->t_sock) {
/* Need to resolve a duelling SYN between peers.
* We have an outstanding SYN to this peer, which may
* potentially have transitioned to the RDS_CONN_UP state,
* so we must quiesce any send threads before resetting
* c_transport_data.
*/
if (ntohl(inet->inet_saddr) < ntohl(inet->inet_daddr) ||
!cp->cp_outgoing) {
goto rst_nsk;
} else {
rds_tcp_reset_callbacks(new_sock, cp);
cp->cp_outgoing = 0;
/* rds_connect_path_complete() marks RDS_CONN_UP */
rds_connect_path_complete(cp, RDS_CONN_RESETTING);
}
/* Duelling SYN has been handled in rds_tcp_accept_one() */
rds_tcp_reset_callbacks(new_sock, cp);
/* rds_connect_path_complete() marks RDS_CONN_UP */
rds_connect_path_complete(cp, RDS_CONN_RESETTING);
} else {
rds_tcp_set_callbacks(new_sock, cp);
rds_connect_path_complete(cp, RDS_CONN_CONNECTING);