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dnl #
dnl # 4.1 API, exported blkdev_reread_part() symbol, backported to the
dnl # 3.10.0 CentOS 7.x enterprise kernels.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_REREAD_PART], [
AC_MSG_CHECKING([whether blkdev_reread_part() is available])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
], [
struct block_device *bdev = NULL;
int error;
error = blkdev_reread_part(bdev);
], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLKDEV_REREAD_PART, 1,
[blkdev_reread_part() is available])
], [
AC_MSG_RESULT(no)
])
])
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