1 AC_DEFUN([ZFS_AC_KERNEL_SRC_PERMISSION], [
3 dnl # 5.12 API change that added the struct user_namespace* arg
4 dnl # to the front of this function type's arg list.
6 ZFS_LINUX_TEST_SRC([permission_userns], [
8 #include <linux/sched.h>
10 int inode_permission(struct user_namespace *userns,
11 struct inode *inode, int mask) { return 0; }
13 static const struct inode_operations
14 iops __attribute__ ((unused)) = {
15 .permission = inode_permission,
20 AC_DEFUN([ZFS_AC_KERNEL_PERMISSION], [
21 AC_MSG_CHECKING([whether iops->permission() takes struct user_namespace*])
22 ZFS_LINUX_TEST_RESULT([permission_userns], [
24 AC_DEFINE(HAVE_IOPS_PERMISSION_USERNS, 1,
25 [iops->permission() takes struct user_namespace*])