8115 parallel zfs mount

@@ -24,10 +24,11 @@
  */
 
 /*
  * Copyright (c) 2012 by Delphix. All rights reserved.
  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright 2017 RackTop Systems.
  */
 
 /*
  * condvar.h:
  *

@@ -76,19 +77,23 @@
 
 extern time_res_t time_res[];
 
 #define TIME_RES_VALID(tr)      (tr >= TR_NANOSEC && tr < TR_COUNT)
 
+#define CALLOUT_FLAG_ABSOLUTE   0x2
+
 /*
  * condition variable function prototypes
  */
 
 extern  void    cv_init(kcondvar_t *, char *, kcv_type_t, void *);
 extern  void    cv_destroy(kcondvar_t *);
 extern  void    cv_wait(kcondvar_t *, kmutex_t *);
 extern  void    cv_wait_stop(kcondvar_t *, kmutex_t *, int);
 extern  clock_t cv_timedwait(kcondvar_t *, kmutex_t *, clock_t);
+extern  clock_t cv_timedwait_hires(kcondvar_t *, kmutex_t *, hrtime_t, hrtime_t,
+    int);
 extern  clock_t cv_reltimedwait(kcondvar_t *, kmutex_t *, clock_t, time_res_t);
 extern  int     cv_wait_sig(kcondvar_t *, kmutex_t *);
 extern  clock_t cv_timedwait_sig(kcondvar_t *, kmutex_t *, clock_t);
 extern  int     cv_timedwait_sig_hrtime(kcondvar_t *, kmutex_t *, hrtime_t);
 extern  clock_t cv_reltimedwait_sig(kcondvar_t *, kmutex_t *, clock_t,