LU-6173 llite: allocate and free client cache asynchronously

[fs/lustre-release.git] / lustre / include / cl_object.h

diff --git a/lustre/include/cl_object.h b/lustre/include/cl_object.h
index a629a9b..09828e1 100644 (file)
--- a/lustre/include/cl_object.h
+++ b/lustre/include/cl_object.h
@@ -2327,7 +2327,8 @@ void cl_lock_descr_print(const struct lu_env *env, void *cookie,
  */
 struct cl_client_cache {
        /**
-        * # of users (OSCs)
+        * # of client cache refcount
+        * # of users (OSCs) + 2 (held by llite and lov)
         */
        atomic_t                ccc_users;
        /**
@@ -2364,6 +2365,12 @@ struct cl_client_cache {
         */
        wait_queue_head_t       ccc_unstable_waitq;
 };
+/**
+ * cl_cache functions
+ */
+struct cl_client_cache *cl_cache_init(unsigned long lru_page_max);
+void cl_cache_incref(struct cl_client_cache *cache);
+void cl_cache_decref(struct cl_client_cache *cache);
 
 /** @} cl_page */