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Message-ID: <1345448876-30492-1-git-send-email-ying.xue@windriver.com>
Date: Mon, 20 Aug 2012 15:47:56 +0800
From: Ying Xue <ying.xue@...driver.com>
To: <michaelc@...wisc.edu>
CC: <linux-kernel@...r.kernel.org>
Subject: [PATCH] iscsi: Don't disable BH on BH context
Since we have already in BH context when iscsi_sw_tcp_write_space()
is called, it's unnecessary to disable BH.
Signed-off-by: Ying Xue <ying.xue@...driver.com>
---
drivers/scsi/iscsi_tcp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 9220861..d763857 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -194,7 +194,7 @@ static void iscsi_sw_tcp_write_space(struct sock *sk)
struct iscsi_sw_tcp_conn *tcp_sw_conn;
void (*old_write_space)(struct sock *);
- read_lock_bh(&sk->sk_callback_lock);
+ read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
if (!conn) {
read_unlock_bh(&sk->sk_callback_lock);
@@ -204,7 +204,7 @@ static void iscsi_sw_tcp_write_space(struct sock *sk)
tcp_conn = conn->dd_data;
tcp_sw_conn = tcp_conn->dd_data;
old_write_space = tcp_sw_conn->old_write_space;
- read_unlock_bh(&sk->sk_callback_lock);
+ read_unlock(&sk->sk_callback_lock);
old_write_space(sk);
--
1.7.11
--
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