+ TAILQ_HEAD( , aio_workq_entry ) aio_activeq; /* active async IO requests */
+ int aio_active_count; /* entries on aio_activeq */
+ TAILQ_HEAD( , aio_workq_entry ) aio_doneq; /* completed async IO requests */
+ int aio_done_count; /* entries on aio_doneq */
+
+ struct klist p_klist; /* knote list */
+ struct auditinfo *p_au; /* User auditing data */