config/kernel-dentry-operations.m4

   1 dnl #
   2 dnl # 2.6.28 API change
   3 dnl # Added d_obtain_alias() helper function.
   4 dnl #
   5 AC_DEFUN([ZFS_AC_KERNEL_SRC_D_OBTAIN_ALIAS], [
   6         ZFS_LINUX_TEST_SRC([d_obtain_alias], [
   7                 #include <linux/dcache.h>
   8         ], [
   9                 d_obtain_alias(NULL);
  10         ])
  11 ])
  12
  13 AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS], [
  14         AC_MSG_CHECKING([whether d_obtain_alias() is available])
  15         ZFS_LINUX_TEST_RESULT_SYMBOL([d_obtain_alias],
  16             [d_obtain_alias], [fs/dcache.c], [
  17                 AC_MSG_RESULT(yes)
  18         ], [
  19                 ZFS_LINUX_TEST_ERROR([d_obtain_alias()])
  20         ])
  21 ])
  22
  23 dnl #
  24 dnl # 2.6.38 API change
  25 dnl # Added d_set_d_op() helper function.
  26 dnl #
  27 AC_DEFUN([ZFS_AC_KERNEL_SRC_D_SET_D_OP], [
  28         ZFS_LINUX_TEST_SRC([d_set_d_op], [
  29                 #include <linux/dcache.h>
  30         ], [
  31                 d_set_d_op(NULL, NULL);
  32         ])
  33 ])
  34
  35 AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP], [
  36         AC_MSG_CHECKING([whether d_set_d_op() is available])
  37         ZFS_LINUX_TEST_RESULT_SYMBOL([d_set_d_op],
  38             [d_set_d_op], [fs/dcache.c], [
  39                 AC_MSG_RESULT(yes)
  40         ], [
  41                 ZFS_LINUX_TEST_ERROR([d_set_d_op])
  42         ])
  43 ])
  44
  45 AC_DEFUN([ZFS_AC_KERNEL_SRC_DENTRY], [
  46         ZFS_AC_KERNEL_SRC_D_OBTAIN_ALIAS
  47         ZFS_AC_KERNEL_SRC_D_SET_D_OP
  48         ZFS_AC_KERNEL_SRC_S_D_OP
  49 ])
  50
  51 AC_DEFUN([ZFS_AC_KERNEL_DENTRY], [
  52         ZFS_AC_KERNEL_D_OBTAIN_ALIAS
  53         ZFS_AC_KERNEL_D_SET_D_OP
  54         ZFS_AC_KERNEL_S_D_OP
  55 ])