From 03bd6d6c49127fb732713b398d4fbe457ae4b933 Mon Sep 17 00:00:00 2001
From: Robert Baldyga <robert.baldyga@intel.com>
Date: Mon, 25 Feb 2019 17:47:27 +0100
Subject: [PATCH] Add ocf_cache_has_pending_requests() function

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
---
 inc/ocf_cache.h | 7 +++++++
 src/ocf_cache.c | 8 ++++++++
 2 files changed, 15 insertions(+)

diff --git a/inc/ocf_cache.h b/inc/ocf_cache.h
index c31d72b..abb15a0 100644
--- a/inc/ocf_cache.h
+++ b/inc/ocf_cache.h
@@ -179,6 +179,13 @@ 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
  *
diff --git a/src/ocf_cache.c b/src/ocf_cache.c
index cda2340..ffe4ab4 100644
--- a/src/ocf_cache.c
+++ b/src/ocf_cache.c
@@ -56,6 +56,8 @@ void ocf_cache_wait_for_io_finish(ocf_cache_t cache)
 {
 	uint32_t req_active = 0;
 
+	OCF_CHECK_NULL(cache);
+
 	do {
 		req_active = ocf_req_get_allocated(cache);
 		if (req_active)
@@ -63,6 +65,12 @@ void ocf_cache_wait_for_io_finish(ocf_cache_t cache)
 	} while (req_active);
 }
 
+bool ocf_cache_has_pending_requests(ocf_cache_t cache)
+{
+	OCF_CHECK_NULL(cache);
+	return ocf_req_get_allocated(cache) > 0;
+}
+
 ocf_cache_mode_t ocf_cache_get_mode(ocf_cache_t cache)
 {
 	OCF_CHECK_NULL(cache);