Make module tunables cross platform

Adds ZFS_MODULE_PARAM to abstract module parameter
setting to operating systems other than Linux.

Reviewed-by: Jorgen Lundman <[email protected]>
Reviewed-by: Igor Kozhukhov <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Matt Macy <[email protected]>
Signed-off-by: Ryan Moeller <[email protected]>
Closes #9230 

1 files changed, 11 insertions, 0 deletions

diff --git a/include/sys/zfs_context.h b/include/sys/zfs_context.h
index 60a248486..a55009f35 100644
--- a/include/sys/zfs_context.h
+++ b/include/sys/zfs_context.h
@@ -65,6 +65,7 @@
 #include <sys/procfs_list.h>
 #include <linux/dcache_compat.h>
 #include <linux/utsname_compat.h>
+#include <linux/mod_compat.h>
 
 #else /* _KERNEL */
 
@@ -201,6 +202,16 @@ extern int aok;
 	(unsigned long)i)
 
 /*
+ * Tunables.
+ */
+#define	ZFS_MODULE_PARAM(scope_prefix, name_prefix, name, type, perm, desc)
+
+/*
+ * Exported symbols
+ */
+#define	EXPORT_SYMBOL(x)
+
+/*
  * Threads.
  */
 typedef pthread_t	kthread_t;