4 AC_DEFUN([ZFS_AC_KERNEL_LOOKUP_NAMEIDATA], [
5 AC_MSG_CHECKING([whether iops->lookup() takes struct nameidata])
6 ZFS_LINUX_TRY_COMPILE([
9 struct dentry * (*inode_lookup) (struct inode *,struct dentry *,
10 struct nameidata *) = NULL;
11 struct inode_operations iops __attribute__ ((unused)) = {
12 .lookup = inode_lookup,
16 AC_DEFINE(HAVE_LOOKUP_NAMEIDATA, 1,
17 [iops->lookup() operation takes nameidata])