zfs/config/kernel-show-options.m4

   1 dnl #
   2 dnl # Linux 3.3 API
   3 dnl #
   4 AC_DEFUN([ZFS_AC_KERNEL_SHOW_OPTIONS], [
   5         AC_MSG_CHECKING([whether sops->show_options() wants dentry])
   6
   7         ZFS_LINUX_TRY_COMPILE([
   8                 #include <linux/fs.h>
   9
  10                 int show_options (struct seq_file * x, struct dentry * y) { return 0; };
  11                 static struct super_operations sops __attribute__ ((unused)) = {
  12                         .show_options = show_options,
  13                 };
  14         ],[
  15         ],[
  16                 AC_MSG_RESULT([yes])
  17                 AC_DEFINE(HAVE_SHOW_OPTIONS_WITH_DENTRY, 1,
  18                         [sops->show_options() with dentry])
  19         ],[
  20                 AC_MSG_RESULT([no])
  21         ])
  22 ])