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-rw-r--r--net/rds/Kconfig2
-rw-r--r--net/rds/bind.c5
-rw-r--r--net/rds/ib.c9
-rw-r--r--net/rds/ib.h2
-rw-r--r--net/rds/send.c13
5 files changed, 18 insertions, 13 deletions
diff --git a/net/rds/Kconfig b/net/rds/Kconfig
index 01b3bd6a3708..b9092111bc45 100644
--- a/net/rds/Kconfig
+++ b/net/rds/Kconfig
@@ -1,6 +1,6 @@
config RDS
- tristate "The RDS Protocol"
+ tristate "The Reliable Datagram Sockets Protocol"
depends on INET
---help---
The RDS (Reliable Datagram Sockets) protocol provides reliable,
diff --git a/net/rds/bind.c b/net/rds/bind.c
index 3ab55784b637..762d2c6788a3 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -76,11 +76,13 @@ struct rds_sock *rds_find_bound(const struct in6_addr *addr, __be16 port,
struct rds_sock *rs;
__rds_create_bind_key(key, addr, port, scope_id);
- rs = rhashtable_lookup_fast(&bind_hash_table, key, ht_parms);
+ rcu_read_lock();
+ rs = rhashtable_lookup(&bind_hash_table, key, ht_parms);
if (rs && !sock_flag(rds_rs_to_sk(rs), SOCK_DEAD))
rds_sock_addref(rs);
else
rs = NULL;
+ rcu_read_unlock();
rdsdebug("returning rs %p for %pI6c:%u\n", rs, addr,
ntohs(port));
@@ -235,6 +237,7 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out;
}
+ sock_set_flag(sk, SOCK_RCU_FREE);
ret = rds_add_bound(rs, binding_addr, &port, scope_id);
if (ret)
goto out;
diff --git a/net/rds/ib.c b/net/rds/ib.c
index c1d97640c0be..eba75c1ba359 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -341,15 +341,10 @@ static int rds6_ib_conn_info_visitor(struct rds_connection *conn,
if (rds_conn_state(conn) == RDS_CONN_UP) {
struct rds_ib_device *rds_ibdev;
- struct rdma_dev_addr *dev_addr;
ic = conn->c_transport_data;
- dev_addr = &ic->i_cm_id->route.addr.dev_addr;
- rdma_addr_get_sgid(dev_addr,
- (union ib_gid *)&iinfo6->src_gid);
- rdma_addr_get_dgid(dev_addr,
- (union ib_gid *)&iinfo6->dst_gid);
-
+ rdma_read_gids(ic->i_cm_id, (union ib_gid *)&iinfo6->src_gid,
+ (union ib_gid *)&iinfo6->dst_gid);
rds_ibdev = ic->rds_ibdev;
iinfo6->max_send_wr = ic->i_send_ring.w_nr;
iinfo6->max_recv_wr = ic->i_recv_ring.w_nr;
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 73427ff439f9..71ff356ee702 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -443,7 +443,7 @@ int rds_ib_send_grab_credits(struct rds_ib_connection *ic, u32 wanted,
int rds_ib_xmit_atomic(struct rds_connection *conn, struct rm_atomic_op *op);
/* ib_stats.c */
-DECLARE_PER_CPU(struct rds_ib_statistics, rds_ib_stats);
+DECLARE_PER_CPU_SHARED_ALIGNED(struct rds_ib_statistics, rds_ib_stats);
#define rds_ib_stats_inc(member) rds_stats_inc_which(rds_ib_stats, member)
#define rds_ib_stats_add(member, count) \
rds_stats_add_which(rds_ib_stats, member, count)
diff --git a/net/rds/send.c b/net/rds/send.c
index 57b3d5a8b2db..fe785ee819dd 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -1007,7 +1007,8 @@ static int rds_cmsg_send(struct rds_sock *rs, struct rds_message *rm,
return ret;
}
-static int rds_send_mprds_hash(struct rds_sock *rs, struct rds_connection *conn)
+static int rds_send_mprds_hash(struct rds_sock *rs,
+ struct rds_connection *conn, int nonblock)
{
int hash;
@@ -1023,10 +1024,16 @@ static int rds_send_mprds_hash(struct rds_sock *rs, struct rds_connection *conn)
* used. But if we are interrupted, we have to use the zero
* c_path in case the connection ends up being non-MP capable.
*/
- if (conn->c_npaths == 0)
+ if (conn->c_npaths == 0) {
+ /* Cannot wait for the connection be made, so just use
+ * the base c_path.
+ */
+ if (nonblock)
+ return 0;
if (wait_event_interruptible(conn->c_hs_waitq,
conn->c_npaths != 0))
hash = 0;
+ }
if (conn->c_npaths == 1)
hash = 0;
}
@@ -1256,7 +1263,7 @@ int rds_sendmsg(struct socket *sock, struct msghdr *msg, size_t payload_len)
}
if (conn->c_trans->t_mp_capable)
- cpath = &conn->c_path[rds_send_mprds_hash(rs, conn)];
+ cpath = &conn->c_path[rds_send_mprds_hash(rs, conn, nonblock)];
else
cpath = &conn->c_path[0];