Add single hash bucket lock interface

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>

src/mngt/ocf_mngt_cache.c

@@ -987,7 +987,7 @@ static void _ocf_mngt_attach_prepare_metadata(ocf_pipeline_t pipeline,
 	context->flags.attached_metadata_inited = true;
 
 	if (ocf_metadata_concurrency_attached_init(&cache->metadata.lock,
-			cache->device->hash_table_entries)) {
+			cache, cache->device->hash_table_entries)) {
 		ocf_cache_log(cache, log_err, "Failed to initialize attached "
 				"metadata concurrency\n");
 		OCF_PL_FINISH_RET(context->pipeline, -OCF_ERR_START_CACHE_FAIL);