[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_SUPER_USER_NS], [
	AC_MSG_CHECKING([whether super_block->s_user_ns exists])
	ZFS_LINUX_TRY_COMPILE([
		#include <linux/fs.h>
		#include <linux/user_namespace.h>
	],[
		struct super_block super;
		super.s_user_ns = (struct user_namespace *)NULL;
	],[
		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 #
	6	AC_DEFUN([ZFS_AC_KERNEL_SUPER_USER_NS], [
	7	AC_MSG_CHECKING([whether super_block->s_user_ns exists])
	8	ZFS_LINUX_TRY_COMPILE([
	9	#include <linux/fs.h>
	10	#include <linux/user_namespace.h>
	11	],[
	12	struct super_block super;
	13	super.s_user_ns = (struct user_namespace *)NULL;
	14	],[
	15	AC_MSG_RESULT(yes)
	16	AC_DEFINE(HAVE_SUPER_USER_NS, 1,
	17	[super_block->s_user_ns exists])
	18	],[
	19	AC_MSG_RESULT(no)
	20	])
	21	])