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Commit 7e8f4413 authored by Sowmini Varadhan's avatar Sowmini Varadhan Committed by David S. Miller
Browse files

RDS: add t_mp_capable bit to be set by MP capable transports 



The t_mp_capable bit will be used in the core rds module
to support multipathing logic when the transport supports it.

Signed-off-by: default avatarSowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0cb43965

net/rds/rds.h

+6 −1
Original line number Diff line number Diff line
@@ -446,7 +446,8 @@ struct rds_transport { 
	char			t_name[TRANSNAMSIZ];

	struct list_head	t_item;

	struct module		*t_owner;

	unsigned int		t_prefer_loopback:1;

	unsigned int		t_prefer_loopback:1,

				t_mp_capable:1;

	unsigned int		t_type;



	int (*laddr_check)(struct net *net, __be32 addr);
@@ -673,6 +674,7 @@ rds_conn_path_transition(struct rds_conn_path *cp, int old, int new) 
static inline int

rds_conn_transition(struct rds_connection *conn, int old, int new)

{

	WARN_ON(conn->c_trans->t_mp_capable);

	return rds_conn_path_transition(&conn->c_path[0], old, new);

}
@@ -685,6 +687,7 @@ rds_conn_path_state(struct rds_conn_path *cp) 
static inline int

rds_conn_state(struct rds_connection *conn)

{

	WARN_ON(conn->c_trans->t_mp_capable);

	return rds_conn_path_state(&conn->c_path[0]);

}
@@ -697,6 +700,7 @@ rds_conn_path_up(struct rds_conn_path *cp) 
static inline int

rds_conn_up(struct rds_connection *conn)

{

	WARN_ON(conn->c_trans->t_mp_capable);

	return rds_conn_path_up(&conn->c_path[0]);

}
@@ -709,6 +713,7 @@ rds_conn_path_connecting(struct rds_conn_path *cp) 
static inline int

rds_conn_connecting(struct rds_connection *conn)

{

	WARN_ON(conn->c_trans->t_mp_capable);

	return rds_conn_path_connecting(&conn->c_path[0]);

}