2 dnl # 4.1 API, exported blkdev_reread_part() symbol, backported to the
3 dnl # 3.10.0 CentOS 7.x enterprise kernels.
5 AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_REREAD_PART], [
6 AC_MSG_CHECKING([whether blkdev_reread_part() is available])
7 ZFS_LINUX_TRY_COMPILE([
10 struct block_device *bdev = NULL;
13 error = blkdev_reread_part(bdev);
16 AC_DEFINE(HAVE_BLKDEV_REREAD_PART, 1,
17 [blkdev_reread_part() is available])