1dnl #
2dnl # 4.8 API change
3dnl # struct user_namespace was added to struct super_block as
4dnl # super->s_user_ns member
5dnl #
6AC_DEFUN([ZFS_AC_KERNEL_SRC_SUPER_USER_NS], [
7	ZFS_LINUX_TEST_SRC([super_user_ns], [
8		#include <linux/fs.h>
9		#include <linux/user_namespace.h>
10	], [
11		struct super_block super;
12		super.s_user_ns = (struct user_namespace *)NULL;
13	])
14])
15
16AC_DEFUN([ZFS_AC_KERNEL_SUPER_USER_NS], [
17	AC_MSG_CHECKING([whether super_block->s_user_ns exists])
18	ZFS_LINUX_TEST_RESULT([super_user_ns], [
19		AC_MSG_RESULT(yes)
20		AC_DEFINE(HAVE_SUPER_USER_NS, 1,
21		    [super_block->s_user_ns exists])
22	],[
23		AC_MSG_RESULT(no)
24	])
25])
26