cache: storage_args renamed to storage_options

Documentation/Filters/Cache.md

@@ -15,7 +15,7 @@ type=filter
 module=cache
 ttl=5
 storage=...
-storage_args=...
+storage_options=...
 
 [Cached Routing Service]
 type=service
@@ -42,19 +42,19 @@ optional ones.
 #### `storage`
 
 The name of the module that provides the storage for the cache. That
-module will be loaded and provided with the value of `storage_args` as
+module will be loaded and provided with the value of `storage_options` as
 argument. For instance:
 ```
 storage=storage_rocksdb
 ```
 
-#### `storage_args`
+#### `storage_options`
 
 A comma separated list of arguments to be provided to the storage module,
 specified in `storage`, when it is loaded. Note that the needed arguments
 depend upon the specific module. For instance,
 ```
-storage_args=path=/usr/maxscale/cache/rocksdb
+storage_options=storage_specific_option1=value1,storage_specific_option2=value2
 ```
 
 #### `allowed_references`

server/modules/filter/cache/cache.c

@@ -94,7 +94,7 @@ typedef struct cache_config
     uint32_t           max_resultset_rows;
     uint32_t           max_resultset_size;
     const char        *storage;
-    const char        *storage_args;
+    const char        *storage_options;
     uint32_t           ttl;
 } CACHE_CONFIG;
 
@@ -238,9 +238,9 @@ static FILTER *createInstance(const char *name, char **options, FILTER_PARAMETER
                 error = true;
             }
         }
-        else if (strcmp(param->name, "storage_args") == 0)
+        else if (strcmp(param->name, "storage_options") == 0)
         {
-            config.storage_args = param->value;
+            config.storage_options = param->value;
         }
         else if (strcmp(param->name, "storage") == 0)
         {

server/modules/filter/cache/cache_storage_api.h

@@ -53,7 +53,7 @@ typedef struct cache_storage_api
      * @param name  The name of the cache instance.
      * @param ttl   Time to live; number of seconds the value is valid.
      * @param argc  The number of elements in the argv array.
-     * @param argv  Array of arguments, as passed in the `storage_args` parameter
+     * @param argv  Array of arguments, as passed in the `storage_options` parameter
      *              in the cache section in the MaxScale configuration file.
      * @return A new cache instance, or NULL if the instance could not be
      *         created.