LU-11518 ldlm: cancel LRU improvement

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

diff --git a/lustre/include/lustre_dlm.h b/lustre/include/lustre_dlm.h
index 5ad6c70..f38f36b 100644 (file)
--- a/lustre/include/lustre_dlm.h
+++ b/lustre/include/lustre_dlm.h
@@ -353,6 +353,14 @@ enum ldlm_ns_type {
        LDLM_NS_TYPE_MGT,               /**< MGT namespace */
 };
 
+enum ldlm_namespace_flags {
+       /**
+        * Flag to indicate the LRU cancel is in progress.
+        * Used to limit the process by 1 thread only.
+        */
+       LDLM_LRU_CANCEL = 0
+};
+
 /**
  * LDLM Namespace.
  *
@@ -538,6 +546,11 @@ struct ldlm_namespace {
 
        struct kobject          ns_kobj; /* sysfs object */
        struct completion       ns_kobj_unregister;
+
+       /**
+        * To avoid another ns_lock usage, a separate bitops field.
+        */
+       unsigned long           ns_flags;
 };
 
 /**