+ union {
+ /* Number of references to the dentry tree itself, as in multiple
+ * WIMStructs */
+ int refcnt;
+
+ /* Number of times this dentry has been opened (only for
+ * directories!) */
+ u32 num_times_opened;
+ };
+
+ /* If the file is part of a hard link set, all the directory entries in
+ * the set will share the same value for this field. */
+ u64 hard_link;
+
+ enum {
+ /* This dentry is the owner of its ads_entries, although it may
+ * be in a hard link set */
+ GROUP_INDEPENDENT,
+
+ /* This dentry is the owner of the ads_entries in the hard link
+ * set */
+ GROUP_MASTER,
+
+ /* This dentry shares its ads_entries with a dentry in the hard
+ * link set that has GROUP_MASTER set. */
+ GROUP_SLAVE
+ } link_group_master_status;
+