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>

src/metadata/metadata.h

@@ -199,8 +199,8 @@ struct ocf_metadata_load_properties {
 	enum ocf_metadata_shutdown_status shutdown_status;
 	uint8_t dirty_flushed;
 	ocf_metadata_layout_t layout;
-	ocf_cache_line_size_t line_size;
 	ocf_cache_mode_t cache_mode;
+	ocf_cache_line_size_t line_size;
 	char *cache_name;
 };
 

src/metadata/metadata_partition_structs.h

@@ -14,8 +14,6 @@ struct ocf_user_part_config {
 	char name[OCF_IO_CLASS_NAME_MAX];
 	uint32_t min_size;
 	uint32_t max_size;
-	int16_t priority;
-	ocf_cache_mode_t cache_mode;
 	struct {
 		uint8_t valid : 1;
 		uint8_t added : 1;
@@ -24,6 +22,8 @@ struct ocf_user_part_config {
 			* and means that can evict from this partition
 			*/
 	} flags;
+	int16_t priority;
+	ocf_cache_mode_t cache_mode;
 };
 
 struct ocf_user_part_runtime {
@@ -40,12 +40,12 @@ typedef bool ( *_lru_hash_locked_pfn)(struct ocf_request *req,
    in round robin order */
 struct ocf_lru_iter
 {
+	/* per-partition cacheline iterator */
+	ocf_cache_line_t curr_cline[OCF_NUM_EVICTION_LISTS];
 	/* cache object */
 	ocf_cache_t cache;
 	/* target partition */
 	struct ocf_user_part *part;
-	/* per-partition cacheline iterator */
-	ocf_cache_line_t curr_cline[OCF_NUM_EVICTION_LISTS];
 	/* available (non-empty) eviction list bitmap rotated so that current
 	   @evp is on the most significant bit */
 	unsigned long long next_avail_evp;

src/metadata/metadata_superblock.h

@@ -20,6 +20,10 @@ struct ocf_superblock_config {
 	 * shouldn't change!! */
 	uint8_t clean_shutdown;
 	uint8_t dirty_flushed;
+
+	/* Current core sequence number */
+	ocf_core_id_t curr_core_seq_no;
+
 	uint32_t magic_number;
 
 	uint32_t metadata_version;
@@ -47,9 +51,6 @@ struct ocf_superblock_config {
 
 	ocf_eviction_t eviction_policy_type;
 
-	/* Current core sequence number */
-	ocf_core_id_t curr_core_seq_no;
-
 	/*
 	 * Checksum for each metadata region.
 	 * This field has to be the last one!