prot_fd 498 drivers/target/target_core_file.c struct file *prot_fd = fd_dev->fd_prot_file; prot_fd 502 drivers/target/target_core_file.c if (!prot_fd) { prot_fd 511 drivers/target/target_core_file.c ssize_t ret = kernel_write(prot_fd, buf, len, &pos);