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| author | Andy Grover <andy.grover@oracle.com> | 2010-03-22 15:22:04 -0700 |
|---|---|---|
| committer | Andy Grover <andy.grover@oracle.com> | 2010-09-08 18:12:10 -0700 |
| commit | 77dd550e5547846604ff6f90c4dc6bba4414e485 (patch) | |
| tree | ea37afea7f0d857e01f214f703018426f6d8b920 /net/rds/loop.c | |
| parent | e32b4a70495aac6a612e13f4c21db09dd756ff2c (diff) | |
| download | linux-77dd550e5547846604ff6f90c4dc6bba4414e485.tar.bz2 | |
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/loop.c')
| -rw-r--r-- | net/rds/loop.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/net/rds/loop.c b/net/rds/loop.c index 4a3dd49315b4..c390156b426f 100644 --- a/net/rds/loop.c +++ b/net/rds/loop.c @@ -61,6 +61,12 @@ static int rds_loop_xmit(struct rds_connection *conn, struct rds_message *rm, unsigned int hdr_off, unsigned int sg, unsigned int off) { + /* Do not send cong updates to loopback */ + if (rm->m_inc.i_hdr.h_flags & RDS_FLAG_CONG_BITMAP) { + rds_cong_map_updated(conn->c_fcong, ~(u64) 0); + return sizeof(struct rds_header) + RDS_CONG_MAP_BYTES; + } + BUG_ON(hdr_off || sg || off); rds_inc_init(&rm->m_inc, conn, conn->c_laddr); @@ -88,18 +94,6 @@ static void rds_loop_inc_free(struct rds_incoming *inc) rds_message_put(rm); } -static int rds_loop_xmit_cong_map(struct rds_connection *conn, - struct rds_cong_map *map, - unsigned long offset) -{ - BUG_ON(offset); - BUG_ON(map != conn->c_lcong); - - rds_cong_map_updated(conn->c_fcong, ~(u64) 0); - - return sizeof(struct rds_header) + RDS_CONG_MAP_BYTES; -} - /* we need to at least give the thread something to succeed */ static int rds_loop_recv(struct rds_connection *conn) { @@ -180,7 +174,6 @@ void rds_loop_exit(void) */ struct rds_transport rds_loop_transport = { .xmit = rds_loop_xmit, - .xmit_cong_map = rds_loop_xmit_cong_map, .recv = rds_loop_recv, .conn_alloc = rds_loop_conn_alloc, .conn_free = rds_loop_conn_free, |