Merge pull request #64 from robertbaldyga/add-has-pending-reqs-func

Add ocf_cache_has_pending_requests() function

inc/ocf_cache.h

@@ -167,6 +167,13 @@ bool ocf_cache_is_running(ocf_cache_t cache);
  */
 void ocf_cache_wait_for_io_finish(ocf_cache_t cache);
 
+/**
+ * @brief Check if cache has any unfunished requests
+ *
+ * @param[in] cache Cache object
+ */
+bool ocf_cache_has_pending_requests(ocf_cache_t cache);
+
 /**
  * @brief Get cache mode of given cache object
  *