]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - config/kernel-super-userns.m4
Add configure option to enable gcov analysis
[FreeBSD/FreeBSD.git] / config / kernel-super-userns.m4
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 ])