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Commit 0b6f760c authored by Sowmini Varadhan's avatar Sowmini Varadhan Committed by David S. Miller
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RDS: TCP: Retransmit half-sent datagrams when switching sockets in rds_tcp_reset_callbacks 



When we switch a connection's sockets in rds_tcp_rest_callbacks,
any partially sent datagram must be retransmitted on the new
socket so that the receiver can correctly reassmble the RDS
datagram. Use rds_send_reset() which is designed for this purpose.

Signed-off-by: default avatarSowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: default avatarSantosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 335b48d9

net/rds/send.c

+1 −0
Original line number Diff line number Diff line
@@ -99,6 +99,7 @@ void rds_send_reset(struct rds_connection *conn) 
	list_splice_init(&conn->c_retrans, &conn->c_send_queue);

	spin_unlock_irqrestore(&conn->c_lock, flags);

}

EXPORT_SYMBOL_GPL(rds_send_reset);



static int acquire_in_xmit(struct rds_connection *conn)

{

net/rds/tcp.c

+1 −0
Original line number Diff line number Diff line
@@ -173,6 +173,7 @@ void rds_tcp_reset_callbacks(struct socket *sock, 
	release_sock(osock->sk);

	sock_release(osock);

newsock:

	rds_send_reset(conn);

	lock_sock(sock->sk);

	write_lock_bh(&sock->sk->sk_callback_lock);

	tc->t_sock = sock;