config/kernel-truncate-range.m4

   1 dnl #
   2 dnl # 3.5 API change,
   3 dnl # inode_operations.truncate_range removed
   4 dnl #
   5 AC_DEFUN([SPL_AC_INODE_TRUNCATE_RANGE], [
   6         AC_MSG_CHECKING([whether truncate_range() inode operation is available])
   7         SPL_LINUX_TRY_COMPILE([
   8                 #include <linux/fs.h>
   9         ],[
  10                 struct inode_operations ops;
  11                 ops.truncate_range = NULL;
  12         ],[
  13                 AC_MSG_RESULT(yes)
  14                 AC_DEFINE(HAVE_INODE_TRUNCATE_RANGE, 1,
  15                         [truncate_range() inode operation is available])
  16         ],[
  17                 AC_MSG_RESULT(no)
  18         ])
  19 ])