enum brl_flavour lock_flav);
bool posix_locking_init(bool read_only);
bool posix_locking_end(void);
-int fd_close_posix(struct files_struct *fsp);
+int fd_close_posix(const struct files_struct *fsp);
bool set_posix_lock_windows_flavour(files_struct *fsp,
uint64_t u_offset,
uint64_t u_count,