3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Elder <el...@inktank.com>

commit 327800bdc2cb9b71f4b458ca07aa9d522668dde0 upstream.

Change the names of the three socket callback functions to make it
more obvious they're specifically associated with a connection's
socket (not the ceph connection that uses it).

Signed-off-by: Alex Elder <el...@inktank.com>
Reviewed-by: Yehuda Sadeh <yeh...@inktank.com>
Reviewed-by: Sage Weil <s...@inktank.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesin...@canonical.com>
---
 net/ceph/messenger.c |   28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 18f69a8..5fb9937 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -153,46 +153,46 @@ EXPORT_SYMBOL(ceph_msgr_flush);
  */
 
 /* data available on socket, or listen socket received a connect */
-static void ceph_data_ready(struct sock *sk, int count_unused)
+static void ceph_sock_data_ready(struct sock *sk, int count_unused)
 {
        struct ceph_connection *con = sk->sk_user_data;
 
        if (sk->sk_state != TCP_CLOSE_WAIT) {
-               dout("ceph_data_ready on %p state = %lu, queueing work\n",
+               dout("%s on %p state = %lu, queueing work\n", __func__,
                     con, con->state);
                queue_con(con);
        }
 }
 
 /* socket has buffer space for writing */
-static void ceph_write_space(struct sock *sk)
+static void ceph_sock_write_space(struct sock *sk)
 {
        struct ceph_connection *con = sk->sk_user_data;
 
        /* only queue to workqueue if there is data we want to write,
         * and there is sufficient space in the socket buffer to accept
-        * more data.  clear SOCK_NOSPACE so that ceph_write_space()
+        * more data.  clear SOCK_NOSPACE so that ceph_sock_write_space()
         * doesn't get called again until try_write() fills the socket
         * buffer. See net/ipv4/tcp_input.c:tcp_check_space()
         * and net/core/stream.c:sk_stream_write_space().
         */
        if (test_bit(WRITE_PENDING, &con->state)) {
                if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)) {
-                       dout("ceph_write_space %p queueing write work\n", con);
+                       dout("%s %p queueing write work\n", __func__, con);
                        clear_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
                        queue_con(con);
                }
        } else {
-               dout("ceph_write_space %p nothing to write\n", con);
+               dout("%s %p nothing to write\n", __func__, con);
        }
 }
 
 /* socket's state has changed */
-static void ceph_state_change(struct sock *sk)
+static void ceph_sock_state_change(struct sock *sk)
 {
        struct ceph_connection *con = sk->sk_user_data;
 
-       dout("ceph_state_change %p state = %lu sk_state = %u\n",
+       dout("%s %p state = %lu sk_state = %u\n", __func__,
             con, con->state, sk->sk_state);
 
        if (test_bit(CLOSED, &con->state))
@@ -200,9 +200,9 @@ static void ceph_state_change(struct sock *sk)
 
        switch (sk->sk_state) {
        case TCP_CLOSE:
-               dout("ceph_state_change TCP_CLOSE\n");
+               dout("%s TCP_CLOSE\n", __func__);
        case TCP_CLOSE_WAIT:
-               dout("ceph_state_change TCP_CLOSE_WAIT\n");
+               dout("%s TCP_CLOSE_WAIT\n", __func__);
                if (test_and_set_bit(SOCK_CLOSED, &con->state) == 0) {
                        if (test_bit(CONNECTING, &con->state))
                                con->error_msg = "connection failed";
@@ -212,7 +212,7 @@ static void ceph_state_change(struct sock *sk)
                }
                break;
        case TCP_ESTABLISHED:
-               dout("ceph_state_change TCP_ESTABLISHED\n");
+               dout("%s TCP_ESTABLISHED\n", __func__);
                queue_con(con);
                break;
        default:        /* Everything else is uninteresting */
@@ -228,9 +228,9 @@ static void set_sock_callbacks(struct socket *sock,
 {
        struct sock *sk = sock->sk;
        sk->sk_user_data = con;
-       sk->sk_data_ready = ceph_data_ready;
-       sk->sk_write_space = ceph_write_space;
-       sk->sk_state_change = ceph_state_change;
+       sk->sk_data_ready = ceph_sock_data_ready;
+       sk->sk_write_space = ceph_sock_write_space;
+       sk->sk_state_change = ceph_sock_state_change;
 }
 
 
-- 
1.7.9.5

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