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RDS: introduce rds_conn_connect_if_down() 

A few paths had the same block of code to queue a connection's connect work if
it was in the right state.  Let's move this in to a helper function.

Signed-off-by: Zach Brown <zach.brown@oracle.com>
This commit is contained in:
Zach Brown 2010-05-24 13:14:36 -07:00 committed by Andy Grover
parent 3e0249f9c0
commit f3c6808d3d
3 changed files with 15 additions and 14 deletions
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12
net/rds/connection.c
View File

@ -539,6 +539,18 @@ void rds_conn_drop(struct rds_connection *conn)
}
EXPORT_SYMBOL_GPL(rds_conn_drop);
/*
* If the connection is down, trigger a connect. We may have scheduled a
* delayed reconnect however - in this case we should not interfere.
*/
void rds_conn_connect_if_down(struct rds_connection *conn)
{
if (rds_conn_state(conn) == RDS_CONN_DOWN &&
!test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
queue_delayed_work(rds_wq, &conn->c_conn_w, 0);
}
EXPORT_SYMBOL_GPL(rds_conn_connect_if_down);
/*
* An error occurred on the connection
*/

1
net/rds/rds.h
View File

@ -617,6 +617,7 @@ void rds_conn_shutdown(struct rds_connection *conn);
void rds_conn_destroy(struct rds_connection *conn);
void rds_conn_reset(struct rds_connection *conn);
void rds_conn_drop(struct rds_connection *conn);
void rds_conn_connect_if_down(struct rds_connection *conn);
void rds_for_each_conn_info(struct socket *sock, unsigned int len,
struct rds_info_iterator *iter,
struct rds_info_lengths *lens,

16
net/rds/send.c
View File

@ -1036,13 +1036,7 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
goto out;
}
/* If the connection is down, trigger a connect. We may
* have scheduled a delayed reconnect however - in this case
* we should not interfere.
*/
if (rds_conn_state(conn) == RDS_CONN_DOWN &&
!test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
queue_delayed_work(rds_wq, &conn->c_conn_w, 0);
rds_conn_connect_if_down(conn);
ret = rds_cong_wait(conn->c_fcong, dport, nonblock, rs);
if (ret) {
@ -1122,13 +1116,7 @@ rds_send_pong(struct rds_connection *conn, __be16 dport)
rm->m_daddr = conn->c_faddr;
rm->data.op_active = 1;
/* If the connection is down, trigger a connect. We may
* have scheduled a delayed reconnect however - in this case
* we should not interfere.
*/
if (rds_conn_state(conn) == RDS_CONN_DOWN &&
!test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
queue_delayed_work(rds_wq, &conn->c_conn_w, 0);
rds_conn_connect_if_down(conn);
ret = rds_cong_wait(conn->c_fcong, dport, 1, NULL);
if (ret)