config/kernel-current-time.m4

   1 dnl #
   2 dnl # 4.9, current_time() added
   3 dnl # 4.18, return type changed from timespec to timespec64
   4 dnl #
   5 AC_DEFUN([ZFS_AC_KERNEL_CURRENT_TIME],
   6         [AC_MSG_CHECKING([whether current_time() exists])
   7         ZFS_LINUX_TRY_COMPILE_SYMBOL([
   8                 #include <linux/fs.h>
   9         ], [
  10                 struct inode ip __attribute__ ((unused));
  11                 ip.i_atime = current_time(&ip);
  12         ], [current_time], [fs/inode.c], [
  13                 AC_MSG_RESULT(yes)
  14                 AC_DEFINE(HAVE_CURRENT_TIME, 1, [current_time() exists])
  15         ], [
  16                 AC_MSG_RESULT(no)
  17         ])
  18 ])