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-rw-r--r--net/ceph/messenger.c45
-rw-r--r--net/ceph/osd_client.c3
2 files changed, 20 insertions, 28 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 0cc5608b2c8f..9981039ef4ff 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -637,9 +637,6 @@ static int con_close_socket(struct ceph_connection *con)
static void ceph_msg_remove(struct ceph_msg *msg)
{
list_del_init(&msg->list_head);
- BUG_ON(msg->con == NULL);
- msg->con->ops->put(msg->con);
- msg->con = NULL;
ceph_msg_put(msg);
}
@@ -662,15 +659,14 @@ static void reset_connection(struct ceph_connection *con)
if (con->in_msg) {
BUG_ON(con->in_msg->con != con);
- con->in_msg->con = NULL;
ceph_msg_put(con->in_msg);
con->in_msg = NULL;
- con->ops->put(con);
}
con->connect_seq = 0;
con->out_seq = 0;
if (con->out_msg) {
+ BUG_ON(con->out_msg->con != con);
ceph_msg_put(con->out_msg);
con->out_msg = NULL;
}
@@ -2438,13 +2434,10 @@ static int read_partial_message(struct ceph_connection *con)
*/
static void process_message(struct ceph_connection *con)
{
- struct ceph_msg *msg;
+ struct ceph_msg *msg = con->in_msg;
BUG_ON(con->in_msg->con != con);
- con->in_msg->con = NULL;
- msg = con->in_msg;
con->in_msg = NULL;
- con->ops->put(con);
/* if first message, set peer_name */
if (con->peer_name.type == 0)
@@ -2918,10 +2911,8 @@ static void con_fault(struct ceph_connection *con)
if (con->in_msg) {
BUG_ON(con->in_msg->con != con);
- con->in_msg->con = NULL;
ceph_msg_put(con->in_msg);
con->in_msg = NULL;
- con->ops->put(con);
}
/* Requeue anything that hasn't been acked */
@@ -2977,6 +2968,15 @@ void ceph_messenger_fini(struct ceph_messenger *msgr)
}
EXPORT_SYMBOL(ceph_messenger_fini);
+static void msg_con_set(struct ceph_msg *msg, struct ceph_connection *con)
+{
+ if (msg->con)
+ msg->con->ops->put(msg->con);
+
+ msg->con = con ? con->ops->get(con) : NULL;
+ BUG_ON(msg->con != con);
+}
+
static void clear_standby(struct ceph_connection *con)
{
/* come back from STANDBY? */
@@ -3008,9 +3008,7 @@ void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg)
return;
}
- BUG_ON(msg->con != NULL);
- msg->con = con->ops->get(con);
- BUG_ON(msg->con == NULL);
+ msg_con_set(msg, con);
BUG_ON(!list_empty(&msg->list_head));
list_add_tail(&msg->list_head, &con->out_queue);
@@ -3038,16 +3036,15 @@ void ceph_msg_revoke(struct ceph_msg *msg)
{
struct ceph_connection *con = msg->con;
- if (!con)
+ if (!con) {
+ dout("%s msg %p null con\n", __func__, msg);
return; /* Message not in our possession */
+ }
mutex_lock(&con->mutex);
if (!list_empty(&msg->list_head)) {
dout("%s %p msg %p - was on queue\n", __func__, con, msg);
list_del_init(&msg->list_head);
- BUG_ON(msg->con == NULL);
- msg->con->ops->put(msg->con);
- msg->con = NULL;
msg->hdr.seq = 0;
ceph_msg_put(msg);
@@ -3071,16 +3068,13 @@ void ceph_msg_revoke(struct ceph_msg *msg)
*/
void ceph_msg_revoke_incoming(struct ceph_msg *msg)
{
- struct ceph_connection *con;
+ struct ceph_connection *con = msg->con;
- BUG_ON(msg == NULL);
- if (!msg->con) {
+ if (!con) {
dout("%s msg %p null con\n", __func__, msg);
-
return; /* Message not in our possession */
}
- con = msg->con;
mutex_lock(&con->mutex);
if (con->in_msg == msg) {
unsigned int front_len = le32_to_cpu(con->in_hdr.front_len);
@@ -3326,9 +3320,8 @@ static int ceph_con_in_msg_alloc(struct ceph_connection *con, int *skip)
}
if (msg) {
BUG_ON(*skip);
+ msg_con_set(msg, con);
con->in_msg = msg;
- con->in_msg->con = con->ops->get(con);
- BUG_ON(con->in_msg->con == NULL);
} else {
/*
* Null message pointer means either we should skip
@@ -3375,6 +3368,8 @@ static void ceph_msg_release(struct kref *kref)
dout("%s %p\n", __func__, m);
WARN_ON(!list_empty(&m->list_head));
+ msg_con_set(m, NULL);
+
/* drop middle, data, if any */
if (m->middle) {
ceph_buffer_put(m->middle);
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 118e4ce37ecc..f8f235930d88 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -2850,9 +2850,6 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
goto out;
}
- if (req->r_reply->con)
- dout("%s revoking msg %p from old con %p\n", __func__,
- req->r_reply, req->r_reply->con);
ceph_msg_revoke_incoming(req->r_reply);
if (front_len > req->r_reply->front_alloc_len) {