CLEANUP: Remove pendconn_must_try_again().

Remove pendconn_must_try_again(), now that it no longer is used.

include/haproxy/queue.h

@@ -38,7 +38,6 @@ int process_srv_queue(struct server *s);
 unsigned int srv_dynamic_maxconn(const struct server *s);
 int pendconn_redistribute(struct server *s);
 void pendconn_unlink(struct pendconn *p);
-int pendconn_must_try_again(struct pendconn *p);
 
 /* Removes the pendconn from the server/proxy queue. It supports being called
  * with NULL for pendconn and with a pendconn not in the list. It is the

src/queue.c

@@ -661,68 +661,6 @@ int pendconn_dequeue(struct stream *strm)
 	return 0;
 }
 
-/* checks after a successful pendconn_add() if the connection ended up being
- * alone with no active connection left to dequeue it. In such a case it will
- * simply remove it from the queue, free it and return non-zero to inform the
- * caller that it must try to add the connection again, otherwise it returns
- * zero, indicating that the connection will be handled normally. The caller
- * might have to drop SF_DIRECT and/or SF_ASSIGNED if the conn was on a proxy.
- */
-int pendconn_must_try_again(struct pendconn *p)
-{
-	struct queue  *q  = p->queue;
-	struct proxy  *px = q->px;
-	struct server *sv = q->sv;
-	int ret = 0;
-
-	if (likely(!HA_ATOMIC_LOAD(&p->node.node.leaf_p)))
-		goto leave;
-
-	/* for a server, we need at least one conn left on this server to
-	 * find ours.
-	 */
-	if (likely(sv && HA_ATOMIC_LOAD(&sv->served)))
-		goto leave;
-
-	/* for a backend, we need at least one conn left on any of this
-	 * backend's servers to find ours.
-	 */
-	if (likely(!sv && HA_ATOMIC_LOAD(&px->served)))
-		goto leave;
-
-	/* OK the situation is not safe anymore, we need to check if we're
-	 * still in the queue under a lock.
-	 */
-	HA_SPIN_LOCK(QUEUE_LOCK, &q->lock);
-	HA_SPIN_LOCK(QUEUE_LOCK, &p->del_lock);
-
-	if (p->node.node.leaf_p) {
-		eb32_delete(&p->node);
-		_HA_ATOMIC_DEC(&q->length);
-		_HA_ATOMIC_INC(&q->idx);
-		_HA_ATOMIC_DEC(&px->totpend);
-		ret = 1;
-	}
-
-	HA_SPIN_UNLOCK(QUEUE_LOCK, &p->del_lock);
-	HA_SPIN_UNLOCK(QUEUE_LOCK, &q->lock);
-
-	/* check if the connection was still queued. If not, it means its
-	 * processing has begun so it's safe.
-	 */
-	if (!ret)
-		goto leave;
-
-	/* The pendconn is not queued anymore and will not be so we're safe
-	 * to free it.
-	 */
-	p->strm->pend_pos = NULL;
-	pool_free(pool_head_pendconn, p);
-
-leave:
-	return ret;
-}
-
 static enum act_return action_set_priority_class(struct act_rule *rule, struct proxy *px,
                                                  struct session *sess, struct stream *s, int flags)
 {