mirror_zfs/config/kernel-namespace.m4
Rob Norris 2778832e22 Linux 6.18: namespace type moved to ns_common
The namespace type has moved from the namespace ops struct to the
"common" base namespace struct. Detect this and define a macro that does
the right thing for both versions.

Sponsored-by: https://despairlabs.com/sponsor/
Signed-off-by: Rob Norris <robn@despairlabs.com>
2025-10-21 09:50:43 -07:00

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dnl #
dnl # 6.18 API change
dnl # ns->ops->type was moved to ns->ns.ns_type (struct ns_common)
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_NS_COMMON_TYPE], [
ZFS_LINUX_TEST_SRC([ns_common_type], [
#include <linux/user_namespace.h>
],[
struct user_namespace ns;
ns.ns.ns_type = 0;
])
])
AC_DEFUN([ZFS_AC_KERNEL_NS_COMMON_TYPE], [
AC_MSG_CHECKING([whether ns_type is accessible through ns_common])
ZFS_LINUX_TEST_RESULT([ns_common_type], [
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_NS_COMMON_TYPE], 1,
[Define if ns_type is accessible through ns_common])
],[
AC_MSG_RESULT(no)
])
])
AC_DEFUN([ZFS_AC_KERNEL_SRC_NAMESPACE], [
ZFS_AC_KERNEL_SRC_NS_COMMON_TYPE
])
AC_DEFUN([ZFS_AC_KERNEL_NAMESPACE], [
ZFS_AC_KERNEL_NS_COMMON_TYPE
])