General packing of structs

Get back some memory/cachelines by packing any leftover static fields together.

Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>

inc/ocf_cache.h

@@ -27,6 +27,9 @@ struct ocf_cache_info {
 	uint8_t volume_type;
 		/*!< Cache volume type */
 
+	uint8_t state;
+		/*!< Cache state (running/flushing/stopping etc...) */
+
 	uint32_t size;
 		/*!< Actual cache size (in cache lines) */
 
@@ -69,9 +72,6 @@ struct ocf_cache_info {
 			  set as a result of reaching IO error threshold */
 	} fallback_pt;
 
-	uint8_t state;
-		/*!< Cache state (running/flushing/stopping etc...) */
-
 	ocf_eviction_t eviction_policy;
 		/*!< Eviction policy selected */
 

inc/ocf_io.h

@@ -83,16 +83,6 @@ struct ocf_io {
 	 */
 	ocf_start_io_t start;
 
-	/**
-	 * @brief OCF IO handle function
-	 */
-	ocf_handle_io_t handle;
-
-	/**
-	 * @brief OCF IO completion function
-	 */
-	ocf_end_io_t end;
-
 	/**
 	 * @brief OCF IO private 1
 	 */
@@ -102,6 +92,16 @@ struct ocf_io {
 	 * @brief OCF IO private 2
 	 */
 	void *priv2;
+
+	/**
+	 * @brief OCF IO handle function
+	 */
+	ocf_handle_io_t handle;
+
+	/**
+	 * @brief OCF IO completion function
+	 */
+	ocf_end_io_t end;
 };
 
 /**

inc/ocf_mngt.h

@@ -851,25 +851,25 @@ struct ocf_mngt_io_class_config {
 	 */
 	uint32_t class_id;
 
+	/**
+	 * @brief IO class maximum size
+	 */
+	uint32_t max_size;
+
 	/**
 	 * @brief IO class name
 	 */
 	const char *name;
 
-	/**
-	 * @brief IO class eviction priority
-	 */
-	int16_t prio;
-
 	/**
 	 * @brief IO class cache mode
 	 */
 	ocf_cache_mode_t cache_mode;
 
 	/**
-	 * @brief IO class maximum size
+	 * @brief IO class eviction priority
 	 */
-	uint32_t max_size;
+	int16_t prio;
 };
 
 struct ocf_mngt_io_classes_config {

inc/ocf_volume.h

@@ -101,6 +101,15 @@ struct ocf_volume_ops {
 	 */
 	void (*close)(ocf_volume_t volume);
 
+	/**
+	 * @brief Get volume length
+	 *
+	 * @param[in] volume Volume
+	 *
+	 * @return Volume length in bytes
+	 */
+	uint64_t (*get_length)(ocf_volume_t volume);
+
 	/**
 	 * @brief Get maximum io size
 	 *
@@ -109,15 +118,6 @@ struct ocf_volume_ops {
 	 * @return Maximum io size in bytes
 	 */
 	unsigned int (*get_max_io_size)(ocf_volume_t volume);
-
-	/**
-	 * @brief Get volume length
-	 *
-	 * @param[in] volume Volume
-	 *
-	 * @return Volume lenght in bytes
-	 */
-	uint64_t (*get_length)(ocf_volume_t volume);
 };
 
 /**
@@ -136,14 +136,14 @@ struct ocf_volume_properties {
 	struct ocf_volume_caps caps;
 		/*!< Volume capabilities */
 
-	struct ocf_volume_ops ops;
-		/*!< Volume operations */
-
 	struct ocf_io_ops io_ops;
 		/*!< IO operations */
 
 	void (*deinit)(void);
 		/*!< Deinitialize volume type */
+
+	struct ocf_volume_ops ops;
+		/*!< Volume operations */
 };
 
 /**