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| author | Sowmini Varadhan <sowmini.varadhan@oracle.com> | 2016-06-13 18:44:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-15 08:50:43 +0200 |
| commit | 01ff34ed44a48ed0ae875291b4b6b7dc9ebeea69 (patch) | |
| tree | bb95e7c1e64034d74643cf7b71b5566a083cc55f | |
| parent | RDS: Pass rds_conn_path to rds_send_xmit() (diff) | |
| download | linux-01ff34ed44a48ed0ae875291b4b6b7dc9ebeea69.tar.xz linux-01ff34ed44a48ed0ae875291b4b6b7dc9ebeea69.zip | |
RDS: Extract rds_conn_path from i_conn_path in rds_send_drop_to() for MP-capable transports
Explicitly set up rds_conn_path, either from i_conn_path (for
MP capable transpots) or as c_path[0], and use this in
rds_send_drop_to()
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/rds/send.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/rds/send.c b/net/rds/send.c index 966311d135af..9c34fd204639 100644 --- a/net/rds/send.c +++ b/net/rds/send.c @@ -710,6 +710,7 @@ void rds_send_drop_to(struct rds_sock *rs, struct sockaddr_in *dest) { struct rds_message *rm, *tmp; struct rds_connection *conn; + struct rds_conn_path *cp; unsigned long flags; LIST_HEAD(list); @@ -738,22 +739,26 @@ void rds_send_drop_to(struct rds_sock *rs, struct sockaddr_in *dest) list_for_each_entry(rm, &list, m_sock_item) { conn = rm->m_inc.i_conn; + if (conn->c_trans->t_mp_capable) + cp = rm->m_inc.i_conn_path; + else + cp = &conn->c_path[0]; - spin_lock_irqsave(&conn->c_lock, flags); + spin_lock_irqsave(&cp->cp_lock, flags); /* * Maybe someone else beat us to removing rm from the conn. * If we race with their flag update we'll get the lock and * then really see that the flag has been cleared. */ if (!test_and_clear_bit(RDS_MSG_ON_CONN, &rm->m_flags)) { - spin_unlock_irqrestore(&conn->c_lock, flags); + spin_unlock_irqrestore(&cp->cp_lock, flags); spin_lock_irqsave(&rm->m_rs_lock, flags); rm->m_rs = NULL; spin_unlock_irqrestore(&rm->m_rs_lock, flags); continue; } list_del_init(&rm->m_conn_item); - spin_unlock_irqrestore(&conn->c_lock, flags); + spin_unlock_irqrestore(&cp->cp_lock, flags); /* * Couldn't grab m_rs_lock in top loop (lock ordering), |