[PATCH] rds: Don't disable BH on BH context
From: Ying Xue <hidden>
Date: 2012-08-20 07:40:10
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 <redacted> --- net/rds/tcp_connect.c | 4 ++-- net/rds/tcp_listen.c | 4 ++-- net/rds/tcp_recv.c | 4 ++-- net/rds/tcp_send.c | 4 ++-- 4 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c
index af95c8e..a65ee78 100644
--- a/net/rds/tcp_connect.c
+++ b/net/rds/tcp_connect.c@@ -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); }
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 7298137..7787537 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c@@ -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); }
diff --git a/net/rds/tcp_recv.c b/net/rds/tcp_recv.c
index 6243258..4fac4f2 100644
--- a/net/rds/tcp_recv.c
+++ b/net/rds/tcp_recv.c@@ -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); }
diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c
index 1b4fd68..81cf5a4 100644
--- a/net/rds/tcp_send.c
+++ b/net/rds/tcp_send.c@@ -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
--
1.7.11