config/kernel-mount-nodev.m4

   1 dnl #
   2 dnl # 2.6.39 API change
   3 dnl # The .get_sb callback has been replaced by a .mount callback
   4 dnl # in the file_system_type structure.  When using the new
   5 dnl # interface the caller must now use the mount_nodev() helper.
   6 dnl # This updated callback and helper no longer pass the vfsmount.
   7 dnl #
   8 AC_DEFUN([ZFS_AC_KERNEL_MOUNT_NODEV],
   9         [AC_MSG_CHECKING([whether mount_nodev() is available])
  10         ZFS_LINUX_TRY_COMPILE_SYMBOL([
  11                 #include <linux/fs.h>
  12         ], [
  13                 mount_nodev(NULL, 0, NULL, NULL);
  14         ], [mount_nodev], [fs/super.c], [
  15                 AC_MSG_RESULT(yes)
  16                 AC_DEFINE(HAVE_MOUNT_NODEV, 1, [mount_nodev() is available])
  17         ], [
  18                 AC_MSG_RESULT(no)
  19         ])
  20 ])