config/kernel-lookup-nameidata.m4

   1 dnl #
   2 dnl # 3.6 API change
   3 dnl #
   4 AC_DEFUN([ZFS_AC_KERNEL_LOOKUP_NAMEIDATA], [
   5         AC_MSG_CHECKING([whether iops->lookup() takes struct nameidata])
   6         ZFS_LINUX_TRY_COMPILE([
   7                 #include <linux/fs.h>
   8         ],[
   9                 struct dentry * (*inode_lookup) (struct inode *,struct dentry *,
  10                                      struct nameidata *) = NULL;
  11                 struct inode_operations iops __attribute__ ((unused)) = {
  12                         .lookup         = inode_lookup,
  13                 };
  14         ],[
  15                 AC_MSG_RESULT(yes)
  16                 AC_DEFINE(HAVE_LOOKUP_NAMEIDATA, 1,
  17                           [iops->lookup() operation takes nameidata])
  18         ],[
  19                 AC_MSG_RESULT(no)
  20         ])
  21 ])