Rename connection_bucket_refill to connection_bucket_refill_all

Also document its actual behavior

src/or/connection.c

@@ -3178,9 +3178,10 @@ connection_bucket_adjust(const or_options_t *options)
   }
 }
 
-/** Time has passed; increment buckets appropriately. */
+/** Time has passed; increment buckets appropriately and re-enable formerly
+ * blocked connections. */
 void
-connection_bucket_refill(time_t now, uint32_t now_ts)
+connection_bucket_refill_all(time_t now, uint32_t now_ts)
 {
   smartlist_t *conns = get_connection_array();
 

src/or/connection.h

@@ -123,8 +123,8 @@ ssize_t connection_bucket_write_limit(connection_t *conn, time_t now);
 int global_write_bucket_low(connection_t *conn, size_t attempt, int priority);
 void connection_bucket_init(void);
 void connection_bucket_adjust(const or_options_t *options);
-void connection_bucket_refill(time_t now,
-                              uint32_t now_ts);
+void connection_bucket_refill_all(time_t now,
+                                  uint32_t now_ts);
 void connection_read_bw_exhausted(connection_t *conn, bool is_global_bw);
 void connection_write_bw_exhausted(connection_t *conn, bool is_global_bw);
 void connection_consider_empty_read_buckets(connection_t *conn);

src/or/main.c

@@ -2407,8 +2407,8 @@ refill_callback(periodic_timer_t *timer, void *arg)
     accounting_add_bytes(bytes_read, bytes_written, seconds_rolled_over);
 
   if (milliseconds_elapsed > 0) {
-    connection_bucket_refill((time_t)now.tv_sec,
-                             monotime_coarse_get_stamp());
+    connection_bucket_refill_all((time_t)now.tv_sec,
+                                 monotime_coarse_get_stamp());
   }
 
   stats_prev_global_read_bucket = token_bucket_rw_get_read(&global_bucket);