+ fb = fbdir_open_fd_internal(fd, name, params->asio,
+ params->buffer_size ? : fbpar_def.buffer_size,
+ params->read_ahead ? : fbpar_def.read_ahead,
+ params->write_back ? : fbpar_def.write_back);
+ if (!~mode && !fbdir_cheat && ((int)(mode = fcntl(fd, F_GETFL)) < 0 || fcntl(fd, F_SETFL, mode | O_DIRECT)) < 0)
+ msg(L_WARN, "Cannot set O_DIRECT on fd %d: %m", fd);
+ return fb;
+ case FB_MMAP:
+ if (!~mode && (int)(mode = fcntl(fd, F_GETFL)) < 0)
+ die("Cannot get flags of fd %d: %m", fd);
+ return bfmmopen_internal(fd, name, mode);