dnl #
dnl # 2.6.38 API change
dnl # open_bdev_exclusive() changed to blkdev_get_by_path()
dnl # close_bdev_exclusive() changed to blkdev_put()
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH], [
	ZFS_CHECK_SYMBOL_EXPORT(
		[blkdev_get_by_path],
		[fs/block_dev.c],
		[AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH, 1,
		[blkdev_get_by_path() is available])],
		[])
])