diff options
author | Andy Grover <andy.grover@oracle.com> | 2010-03-22 22:22:04 (GMT) |
---|---|---|
committer | Andy Grover <andy.grover@oracle.com> | 2010-09-09 01:12:10 (GMT) |
commit | 77dd550e5547846604ff6f90c4dc6bba4414e485 (patch) | |
tree | ea37afea7f0d857e01f214f703018426f6d8b920 /net/rds/tcp_send.c | |
parent | e32b4a70495aac6a612e13f4c21db09dd756ff2c (diff) | |
download | linux-77dd550e5547846604ff6f90c4dc6bba4414e485.tar.xz |
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>
Diffstat (limited to 'net/rds/tcp_send.c')
-rw-r--r-- | net/rds/tcp_send.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c index 53c1de5..2979fb4 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) { |