zfs/config/kernel-ktime_get_coarse_rea...

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dnl #
dnl # 4.18: ktime_get_coarse_real_ts64() added. Use it in place of
dnl # current_kernel_time64().
dnl #
AC_DEFUN([ZFS_AC_KERNEL_KTIME_GET_COARSE_REAL_TS64],
[AC_MSG_CHECKING([whether ktime_get_coarse_real_ts64() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/mm.h>
], [
struct timespec64 ts;
ktime_get_coarse_real_ts64(&ts);
], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_KTIME_GET_COARSE_REAL_TS64, 1, [ktime_get_coarse_real_ts64() exists])
], [
AC_MSG_RESULT(no)
])
])