8115 parallel zfs mount

@@ -24,10 +24,11 @@
  * Use is subject to license terms.
  */
 
 /*
  * Copyright (c) 2014 by Delphix. All rights reserved.
+ * Copyright 2017 RackTop Systems.
  */
 
 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
 /*        All Rights Reserved   */
 

@@ -132,11 +133,11 @@
  * true if one and only one bit is set in u.
  */
 #define BIT_ONLYONESET(u) \
         ((((u) == 0) ? 0 : ((u) & ((u) - 1)) == 0))
 
-#if defined(_KERNEL) && !defined(_ASM)
+#if (defined(_KERNEL) || defined(_FAKE_KERNEL)) && !defined(_ASM)
 #include <sys/atomic.h>
 
 /*
  * return next available bit index from map with specified number of bits
  */

@@ -186,11 +187,11 @@
  * Extracts bits between index h (high, inclusive) and l (low, exclusive) from
  * u, which must be an unsigned integer.
  */
 #define BITX(u, h, l)   (((u) >> (l)) & ((1LU << ((h) - (l) + 1LU)) - 1LU))
 
-#endif  /* _KERNEL && !_ASM */
+#endif  /* (_KERNEL || _FAKE_KERNEL) && !_ASM */
 
 #ifdef  __cplusplus
 }
 #endif