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rds: Don't disable BH on BH context 

Since we have already in BH context when *_write_space(),
*_data_ready() as well as *_state_change() are called, it's
unnecessary to disable BH.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ying Xue 2012-08-19 21:44:08 +00:00 committed by David S. Miller
parent 6b923cb718
commit bfdc587c5a
4 changed files with 8 additions and 8 deletions
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4
net/rds/tcp_connect.c
View File

@ -43,7 +43,7 @@ void rds_tcp_state_change(struct sock *sk)
struct rds_connection *conn;
struct rds_tcp_connection *tc;
read_lock_bh(&sk->sk_callback_lock);
read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
if (!conn) {
state_change = sk->sk_state_change;
@ -68,7 +68,7 @@ void rds_tcp_state_change(struct sock *sk)
break;
}
out:
read_unlock_bh(&sk->sk_callback_lock);
read_unlock(&sk->sk_callback_lock);
state_change(sk);
}

4
net/rds/tcp_listen.c
View File

@ -114,7 +114,7 @@ void rds_tcp_listen_data_ready(struct sock *sk, int bytes)
rdsdebug("listen data ready sk %p\n", sk);
read_lock_bh(&sk->sk_callback_lock);
read_lock(&sk->sk_callback_lock);
ready = sk->sk_user_data;
if (!ready) { /* check for teardown race */
ready = sk->sk_data_ready;
@ -131,7 +131,7 @@ void rds_tcp_listen_data_ready(struct sock *sk, int bytes)
queue_work(rds_wq, &rds_tcp_listen_work);
out:
read_unlock_bh(&sk->sk_callback_lock);
read_unlock(&sk->sk_callback_lock);
ready(sk, bytes);
}

4
net/rds/tcp_recv.c
View File

@ -322,7 +322,7 @@ void rds_tcp_data_ready(struct sock *sk, int bytes)
rdsdebug("data ready sk %p bytes %d\n", sk, bytes);
read_lock_bh(&sk->sk_callback_lock);
read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
if (!conn) { /* check for teardown race */
ready = sk->sk_data_ready;
@ -336,7 +336,7 @@ void rds_tcp_data_ready(struct sock *sk, int bytes)
if (rds_tcp_read_sock(conn, GFP_ATOMIC) == -ENOMEM)
queue_delayed_work(rds_wq, &conn->c_recv_w, 0);
out:
read_unlock_bh(&sk->sk_callback_lock);
read_unlock(&sk->sk_callback_lock);
ready(sk, bytes);
}

4
net/rds/tcp_send.c
View File

@ -174,7 +174,7 @@ void rds_tcp_write_space(struct sock *sk)
struct rds_connection *conn;
struct rds_tcp_connection *tc;
read_lock_bh(&sk->sk_callback_lock);
read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
if (!conn) {
write_space = sk->sk_write_space;
@ -194,7 +194,7 @@ void rds_tcp_write_space(struct sock *sk)
queue_delayed_work(rds_wq, &conn->c_send_w, 0);
out:
read_unlock_bh(&sk->sk_callback_lock);
read_unlock(&sk->sk_callback_lock);
/*
* write_space is only called when data leaves tcp's send queue if