RDS: Stop supporting old cong map sending method

We now ask the transport to give us a rm for the congestion
map, and then we handle it normally. Previously, the
transport defined a function that we would call to send
a congestion map.

Convert TCP and loop transports to new cong map method.

Signed-off-by: Andy Grover <andy.grover@oracle.com>

1 files changed, 0 insertions, 50 deletions

diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c
index 53c1de55f471..2979fb4a4b9a 100644
--- a/net/rds/tcp_send.c
+++ b/net/rds/tcp_send.c
@@ -77,56 +77,6 @@ int rds_tcp_sendmsg(struct socket *sock, void *data, unsigned int len)
 }
 
 /* the core send_sem serializes this with other xmit and shutdown */
-int rds_tcp_xmit_cong_map(struct rds_connection *conn,
-			  struct rds_cong_map *map, unsigned long offset)
-{
-	static struct rds_header rds_tcp_map_header = {
-		.h_flags = RDS_FLAG_CONG_BITMAP,
-	};
-	struct rds_tcp_connection *tc = conn->c_transport_data;
-	unsigned long i;
-	int ret;
-	int copied = 0;
-
-	/* Some problem claims cpu_to_be32(constant) isn't a constant. */
-	rds_tcp_map_header.h_len = cpu_to_be32(RDS_CONG_MAP_BYTES);
-
-	if (offset < sizeof(struct rds_header)) {
-		ret = rds_tcp_sendmsg(tc->t_sock,
-				      (void *)&rds_tcp_map_header + offset,
-				      sizeof(struct rds_header) - offset);
-		if (ret <= 0)
-			return ret;
-		offset += ret;
-		copied = ret;
-		if (offset < sizeof(struct rds_header))
-			return ret;
-	}
-
-	offset -= sizeof(struct rds_header);
-	i = offset / PAGE_SIZE;
-	offset = offset % PAGE_SIZE;
-	BUG_ON(i >= RDS_CONG_MAP_PAGES);
-
-	do {
-		ret = tc->t_sock->ops->sendpage(tc->t_sock,
-					virt_to_page(map->m_page_addrs[i]),
-					offset, PAGE_SIZE - offset,
-					MSG_DONTWAIT);
-		if (ret <= 0)
-			break;
-		copied += ret;
-		offset += ret;
-		if (offset == PAGE_SIZE) {
-			offset = 0;
-			i++;
-		}
-	} while (i < RDS_CONG_MAP_PAGES);
-
-        return copied ? copied : ret;
-}
-
-/* the core send_sem serializes this with other xmit and shutdown */
 int rds_tcp_xmit(struct rds_connection *conn, struct rds_message *rm,
 	         unsigned int hdr_off, unsigned int sg, unsigned int off)
 {