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author | David S. Miller <davem@davemloft.net> | 2019-02-22 00:58:05 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2019-02-22 00:58:05 +0300 |
commit | 06cd1702eeb0a79de03f3088ccf4c65f6dfeeaf5 (patch) | |
tree | 2ebebb66de46f9d47e2a65ce00b93da76c7a69d9 | |
parent | 3c963a3306eada999be5ebf4f293dfa3d3945487 (diff) | |
parent | 48766a583c7961af080de2df692f476624a9a21a (diff) | |
download | linux-06cd1702eeb0a79de03f3088ccf4c65f6dfeeaf5.tar.xz |
Merge branch 'tipc-improvement-for-wait-and-wakeup'
Tung Nguyen says:
====================
tipc: improvement for wait and wakeup
Some improvements for tipc_wait_for_xzy().
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | net/tipc/socket.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 1217c90a363b..684f2125fc6b 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -388,7 +388,7 @@ static int tipc_sk_sock_err(struct socket *sock, long *timeout) rc_ = tipc_sk_sock_err((sock_), timeo_); \ if (rc_) \ break; \ - prepare_to_wait(sk_sleep(sk_), &wait_, TASK_INTERRUPTIBLE); \ + add_wait_queue(sk_sleep(sk_), &wait_); \ release_sock(sk_); \ *(timeo_) = wait_woken(&wait_, TASK_INTERRUPTIBLE, *(timeo_)); \ sched_annotate_sleep(); \ @@ -1677,7 +1677,7 @@ static void tipc_sk_send_ack(struct tipc_sock *tsk) static int tipc_wait_for_rcvmsg(struct socket *sock, long *timeop) { struct sock *sk = sock->sk; - DEFINE_WAIT(wait); + DEFINE_WAIT_FUNC(wait, woken_wake_function); long timeo = *timeop; int err = sock_error(sk); @@ -1685,15 +1685,17 @@ static int tipc_wait_for_rcvmsg(struct socket *sock, long *timeop) return err; for (;;) { - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); if (timeo && skb_queue_empty(&sk->sk_receive_queue)) { if (sk->sk_shutdown & RCV_SHUTDOWN) { err = -ENOTCONN; break; } + add_wait_queue(sk_sleep(sk), &wait); release_sock(sk); - timeo = schedule_timeout(timeo); + timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, timeo); + sched_annotate_sleep(); lock_sock(sk); + remove_wait_queue(sk_sleep(sk), &wait); } err = 0; if (!skb_queue_empty(&sk->sk_receive_queue)) @@ -1709,7 +1711,6 @@ static int tipc_wait_for_rcvmsg(struct socket *sock, long *timeop) if (err) break; } - finish_wait(sk_sleep(sk), &wait); *timeop = timeo; return err; } |