LU-6401 headers: Move functions out of lustre_idl.h

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

diff --git a/lustre/include/lustre_dlm.h b/lustre/include/lustre_dlm.h
index 4594387..6c6a0ec 100644 (file)
--- a/lustre/include/lustre_dlm.h
+++ b/lustre/include/lustre_dlm.h
@@ -1600,5 +1600,18 @@ void ldlm_pool_add(struct ldlm_pool *pl, struct ldlm_lock *lock);
 void ldlm_pool_del(struct ldlm_pool *pl, struct ldlm_lock *lock);
 /** @} */
 
+static inline int ldlm_extent_overlap(const struct ldlm_extent *ex1,
+                                     const struct ldlm_extent *ex2)
+{
+       return ex1->start <= ex2->end && ex2->start <= ex1->end;
+}
+
+/* check if @ex1 contains @ex2 */
+static inline int ldlm_extent_contain(const struct ldlm_extent *ex1,
+                                     const struct ldlm_extent *ex2)
+{
+       return ex1->start <= ex2->start && ex1->end >= ex2->end;
+}
+
 #endif
 /** @} LDLM */