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-rw-r--r--net/rds/recv.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/net/rds/recv.c b/net/rds/recv.c
index f2118c51cfa3..fdff33c7b432 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -46,12 +46,14 @@ void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn,
inc->i_saddr = saddr;
inc->i_rdma_cookie = 0;
}
+EXPORT_SYMBOL_GPL(rds_inc_init);
void rds_inc_addref(struct rds_incoming *inc)
{
rdsdebug("addref inc %p ref %d\n", inc, atomic_read(&inc->i_refcount));
atomic_inc(&inc->i_refcount);
}
+EXPORT_SYMBOL_GPL(rds_inc_addref);
void rds_inc_put(struct rds_incoming *inc)
{
@@ -62,6 +64,7 @@ void rds_inc_put(struct rds_incoming *inc)
inc->i_conn->c_trans->inc_free(inc);
}
}
+EXPORT_SYMBOL_GPL(rds_inc_put);
static void rds_recv_rcvbuf_delta(struct rds_sock *rs, struct sock *sk,
struct rds_cong_map *map,
@@ -237,6 +240,7 @@ out:
if (rs)
rds_sock_put(rs);
}
+EXPORT_SYMBOL_GPL(rds_recv_incoming);
/*
* be very careful here. This is being called as the condition in
@@ -409,18 +413,18 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
if (msg_flags & MSG_OOB)
goto out;
- /* If there are pending notifications, do those - and nothing else */
- if (!list_empty(&rs->rs_notify_queue)) {
- ret = rds_notify_queue_get(rs, msg);
- goto out;
- }
+ while (1) {
+ /* If there are pending notifications, do those - and nothing else */
+ if (!list_empty(&rs->rs_notify_queue)) {
+ ret = rds_notify_queue_get(rs, msg);
+ break;
+ }
- if (rs->rs_cong_notify) {
- ret = rds_notify_cong(rs, msg);
- goto out;
- }
+ if (rs->rs_cong_notify) {
+ ret = rds_notify_cong(rs, msg);
+ break;
+ }
- while (1) {
if (!rds_next_incoming(rs, &inc)) {
if (nonblock) {
ret = -EAGAIN;
@@ -428,7 +432,9 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
}
timeo = wait_event_interruptible_timeout(*sk->sk_sleep,
- rds_next_incoming(rs, &inc),
+ (!list_empty(&rs->rs_notify_queue)
+ || rs->rs_cong_notify
+ || rds_next_incoming(rs, &inc)),
timeo);
rdsdebug("recvmsg woke inc %p timeo %ld\n", inc,
timeo);