A lock request can include an 'intent' operation. Which operation is
encoded in the 'ldlm_intent' 'opc'.
+[source,c]
----
struct ldlm_intent {
__u64 opc;
The available operations are:
+[source,c]
----
#define IT_OPEN (1 << 0)
#define IT_CREAT (1 << 1)