[PATCH] libceph: replace printk using pr_warn for warning message

[Chengguang Xu <cgxu519@xxxxxxx>]

It's better to print message on KERN_WARNING level
in WARN_ON condition.

Signed-off-by: Chengguang Xu <cgxu519@xxxxxxx>
---
 net/ceph/messenger.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 3661cdd927f1..029fdc5b3a35 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -302,7 +302,7 @@ static void con_sock_state_init(struct ceph_connection *con)
 
 	old_state = atomic_xchg(&con->sock_state, CON_SOCK_STATE_CLOSED);
 	if (WARN_ON(old_state != CON_SOCK_STATE_NEW))
-		printk("%s: unexpected old state %d\n", __func__, old_state);
+		pr_warn("%s: unexpected old state %d\n", __func__, old_state);
 	dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
 	     CON_SOCK_STATE_CLOSED);
 }
@@ -313,7 +313,7 @@ static void con_sock_state_connecting(struct ceph_connection *con)
 
 	old_state = atomic_xchg(&con->sock_state, CON_SOCK_STATE_CONNECTING);
 	if (WARN_ON(old_state != CON_SOCK_STATE_CLOSED))
-		printk("%s: unexpected old state %d\n", __func__, old_state);
+		pr_warn("%s: unexpected old state %d\n", __func__, old_state);
 	dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
 	     CON_SOCK_STATE_CONNECTING);
 }
@@ -324,7 +324,7 @@ static void con_sock_state_connected(struct ceph_connection *con)
 
 	old_state = atomic_xchg(&con->sock_state, CON_SOCK_STATE_CONNECTED);
 	if (WARN_ON(old_state != CON_SOCK_STATE_CONNECTING))
-		printk("%s: unexpected old state %d\n", __func__, old_state);
+		pr_warn("%s: unexpected old state %d\n", __func__, old_state);
 	dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
 	     CON_SOCK_STATE_CONNECTED);
 }
@@ -337,7 +337,7 @@ static void con_sock_state_closing(struct ceph_connection *con)
 	if (WARN_ON(old_state != CON_SOCK_STATE_CONNECTING &&
 			old_state != CON_SOCK_STATE_CONNECTED &&
 			old_state != CON_SOCK_STATE_CLOSING))
-		printk("%s: unexpected old state %d\n", __func__, old_state);
+		pr_warn("%s: unexpected old state %d\n", __func__, old_state);
 	dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
 	     CON_SOCK_STATE_CLOSING);
 }
@@ -351,7 +351,7 @@ static void con_sock_state_closed(struct ceph_connection *con)
 		    old_state != CON_SOCK_STATE_CLOSING &&
 		    old_state != CON_SOCK_STATE_CONNECTING &&
 		    old_state != CON_SOCK_STATE_CLOSED))
-		printk("%s: unexpected old state %d\n", __func__, old_state);
+		pr_warn("%s: unexpected old state %d\n", __func__, old_state);
 	dout("%s con %p sock %d -> %d\n", __func__, con, old_state,
 	     CON_SOCK_STATE_CLOSED);
 }
-- 
2.20.1