b=11300

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

diff --git a/lustre/include/lustre/lustre_idl.h b/lustre/include/lustre/lustre_idl.h
index be6b8d1..2a8786f 100644 (file)
--- a/lustre/include/lustre/lustre_idl.h
+++ b/lustre/include/lustre/lustre_idl.h
@@ -1652,6 +1652,8 @@ typedef enum {
         LCK_MAXMODE
 } ldlm_mode_t;
 
+#define LCK_MODE_NUM    7
+
 typedef enum {
         LDLM_PLAIN     = 10,
         LDLM_EXTENT    = 11,
@@ -1668,6 +1670,12 @@ struct ldlm_extent {
         __u64 gid;
 };
 
+static inline int ldlm_extent_overlap(struct ldlm_extent *ex1,
+                                      struct ldlm_extent *ex2)
+{
+        return (ex1->start <= ex2->end) && (ex2->start <= ex1->end);
+}
+
 struct ldlm_inodebits {
         __u64 bits;
 };