#define can_set_rtl_file_private_data(fptr, p) do{ fptr->f_minor=(long)(p); } while(0)
#define can_get_rtl_file_private_data(fptr) ((void*)((fptr)->f_minor))
#define can_set_rtl_file_private_data(fptr, p) do{ fptr->f_minor=(long)(p); } while(0)
#define can_get_rtl_file_private_data(fptr) ((void*)((fptr)->f_minor))