8115 parallel zfs mount

@@ -27,10 +27,11 @@
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  *
  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
  * Copyright 2016 Joyent, Inc.
+ * Copyright 2017 RackTop Systems.
  */
 
 #ifndef _SYS_CMN_ERR_H
 #define _SYS_CMN_ERR_H
 

@@ -38,10 +39,14 @@
 #include <sys/va_list.h>
 #endif
 
 #include <sys/dditypes.h>
 
+#if !defined(_ASM) && defined(_FAKE_KERNEL)
+#include <stdio.h>
+#endif
+
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /* Common error handling severity levels */

@@ -56,22 +61,28 @@
 
 /*PRINTFLIKE2*/
 extern void cmn_err(int, const char *, ...)
     __KPRINTFLIKE(2);
 
+extern void vcmn_err(int, const char *, __va_list)
+    __KVPRINTFLIKE(2);
+
+#ifndef _FAKE_KERNEL
+/*
+ * The following functions are either absent from libfakekernel
+ * or have different prototypes from the versions in libc.
+ */
+
 extern void vzcmn_err(zoneid_t, int, const char *, __va_list)
     __KVPRINTFLIKE(3);
 
 extern void dev_err(dev_info_t *, int, char *, ...)
     __KPRINTFLIKE(3);
 
 extern void vdev_err(dev_info_t *, int, const char *, __va_list)
     __KVPRINTFLIKE(3);
 
-extern void vcmn_err(int, const char *, __va_list)
-    __KVPRINTFLIKE(2);
-
 /*PRINTFLIKE3*/
 extern void zcmn_err(zoneid_t, int, const char *, ...)
     __KPRINTFLIKE(3);
 
 /*PRINTFLIKE1*/

@@ -104,10 +115,12 @@
 extern char *sprintf(char *, const char *, ...)
     __KPRINTFLIKE(2);
 extern char *vsprintf(char *, const char *, __va_list)
     __KVPRINTFLIKE(2);
 
+#endif /* !_FAKE_KERNEL */
+
 /*PRINTFLIKE1*/
 extern void panic(const char *, ...)
     __KPRINTFLIKE(1) __NORETURN;
 
 extern void vpanic(const char *, __va_list)