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AC_DEFUN([ZFS_AC_KERNEL_SRC_PERMISSION], [
dnl #
dnl # 5.12 API change that added the struct user_namespace* arg
dnl # to the front of this function type's arg list.
dnl #
ZFS_LINUX_TEST_SRC([permission_userns], [
#include <linux/fs.h>
#include <linux/sched.h>
int inode_permission(struct user_namespace *userns,
struct inode *inode, int mask) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.permission = inode_permission,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_PERMISSION], [
AC_MSG_CHECKING([whether iops->permission() takes struct user_namespace*])
ZFS_LINUX_TEST_RESULT([permission_userns], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IOPS_PERMISSION_USERNS, 1,
[iops->permission() takes struct user_namespace*])
],[
AC_MSG_RESULT(no)
])
])
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