zfs/config/kernel-check-disk-size-change.m4

   1 dnl #
   2 dnl # 2.6.28 API change
   3 dnl # Added check_disk_size_change() helper function.
   4 dnl #
   5 AC_DEFUN([ZFS_AC_KERNEL_CHECK_DISK_SIZE_CHANGE],
   6         [AC_MSG_CHECKING([whether check_disk_size_change() is available])
   7         ZFS_LINUX_TRY_COMPILE_SYMBOL([
   8                 #include <linux/fs.h>
   9         ], [
  10                 check_disk_size_change(NULL, NULL);
  11         ], [check_disk_size_change], [fs/block_dev.c], [
  12                 AC_MSG_RESULT(yes)
  13                 AC_DEFINE(HAVE_CHECK_DISK_SIZE_CHANGE, 1,
  14                           [check_disk_size_change() is available])
  15         ], [
  16                 AC_MSG_RESULT(no)
  17         ])
  18 ])