/home/user/kernrk/kernrk.c:65:5: warning: initialization from incompatible pointer type [enabled by default]
     .post_handler = getdents_post_handler,
     ^
/home/user/kernrk/kernrk.c:65:5: warning: (near initialization for ‘kp.post_handler’) [enabled by default]
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /home/user/kernrk/kernrk.mod.o
  LD [M]  /home/user/kernrk/kernrk.ko