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dnl #
dnl # 3.6 API change
dnl #
AC_DEFUN([ZFS_AC_KERNEL_LOOKUP_NAMEIDATA], [
	AC_MSG_CHECKING([whether iops->lookup() takes struct nameidata])
	ZFS_LINUX_TRY_COMPILE([
		#include <linux/fs.h>
	],[
		struct dentry * (*inode_lookup) (struct inode *,struct dentry *,
		                     struct nameidata *) = NULL;
		struct inode_operations iops __attribute__ ((unused)) = {
			.lookup		= inode_lookup,
		};
	],[
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_LOOKUP_NAMEIDATA, 1,
		          [iops->lookup() operation takes nameidata])
	],[
		AC_MSG_RESULT(no)
	])
])