b=23289 disable pdo locks in MDD

[fs/lustre-release.git] / lustre / mdd / mdd_internal.h

diff --git a/lustre/mdd/mdd_internal.h b/lustre/mdd/mdd_internal.h
index 03794a0..246951e 100644 (file)
--- a/lustre/mdd/mdd_internal.h
+++ b/lustre/mdd/mdd_internal.h
@@ -67,6 +67,10 @@ static inline void mdd_quota_wrapper(struct lu_attr *la, unsigned int *qids)
 }
 #endif
 
+/* PDO lock is unnecessary for current MDT stack because operations
+ * are already protected by ldlm lock */
+#define MDD_DISABLE_PDO_LOCK    1
+
 enum mdd_txn_op {
         MDD_TXN_OBJECT_DESTROY_OP = 0,
         MDD_TXN_OBJECT_CREATE_OP,