config/kernel-follow-down-one.m4

   1 dnl #
   2 dnl # 2.6.38 API change
   3 dnl # follow_down() renamed follow_down_one().  The original follow_down()
   4 dnl # symbol still exists but will traverse down all the layers.
   5 dnl #
   6 AC_DEFUN([ZFS_AC_KERNEL_SRC_FOLLOW_DOWN_ONE], [
   7         ZFS_LINUX_TEST_SRC([follow_down_one], [
   8                 #include <linux/namei.h>
   9         ],[
  10                 struct path *p = NULL;
  11                 follow_down_one(p);
  12         ])
  13 ])
  14
  15 AC_DEFUN([ZFS_AC_KERNEL_FOLLOW_DOWN_ONE], [
  16         AC_MSG_CHECKING([whether follow_down_one() is available])
  17         ZFS_LINUX_TEST_RESULT([follow_down_one], [
  18                 AC_MSG_RESULT(yes)
  19         ],[
  20                 ZFS_LINUX_TEST_ERROR([follow_down_one()])
  21         ])
  22 ])