[mirror_zfs.git] / config / kernel-super-userns.m4

dnl #
dnl # 4.8 API change
dnl # struct user_namespace was added to struct super_block as
dnl # super->s_user_ns member
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_SUPER_USER_NS], [
	ZFS_LINUX_TEST_SRC([super_user_ns], [
		#include <linux/fs.h>
		#include <linux/user_namespace.h>
	], [
		struct super_block super;
		super.s_user_ns = (struct user_namespace *)NULL;
	])
])

AC_DEFUN([ZFS_AC_KERNEL_SUPER_USER_NS], [
	AC_MSG_CHECKING([whether super_block->s_user_ns exists])
	ZFS_LINUX_TEST_RESULT([super_user_ns], [
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_SUPER_USER_NS, 1,
		    [super_block->s_user_ns exists])
	],[
		AC_MSG_RESULT(no)
	])
])
Commit	Line	Data
938cfeb0 NB	1	dnl #
	2	dnl # 4.8 API change
	3	dnl # struct user_namespace was added to struct super_block as
	4	dnl # super->s_user_ns member
	5	dnl #
608f8749 BB	6	AC_DEFUN([ZFS_AC_KERNEL_SRC_SUPER_USER_NS], [
608f8749 BB	7	ZFS_LINUX_TEST_SRC([super_user_ns], [
938cfeb0 NB	8	#include <linux/fs.h>
938cfeb0 NB	9	#include <linux/user_namespace.h>
608f8749	10	], [
938cfeb0 NB	11	struct super_block super;
938cfeb0 NB	12	super.s_user_ns = (struct user_namespace *)NULL;
608f8749 BB	13	])
	14	])
	15
	16	AC_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], [
938cfeb0 NB	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	])