124 	struct gendisk *disk;  member
163 #define nbd_name(nbd) ((nbd)->disk->disk_name)
181 	return disk_to_dev(nbd->disk);  in nbd_to_dev()
239 	struct gendisk *disk = dev_to_disk(dev);  in pid_show()  local
240 	struct nbd_device *nbd = disk->private_data;  in pid_show()
253 	struct gendisk *disk = dev_to_disk(dev);  in backend_show()  local
254 	struct nbd_device *nbd = disk->private_data;  in backend_show()
266 	struct gendisk *disk = nbd->disk;  in nbd_dev_remove()  local
268 	del_gendisk(disk);  in nbd_dev_remove()
279 	put_disk(disk);  in nbd_dev_remove()
354 	lim = queue_limits_start_update(nbd->disk->queue);  in nbd_set_size()
374 	error = queue_limits_commit_update_frozen(nbd->disk->queue, &lim);  in nbd_set_size()
379 		set_bit(GD_NEED_PART_SCAN, &nbd->disk->state);  in nbd_set_size()
380 	if (!set_capacity_and_notify(nbd->disk, bytesize >> 9))  in nbd_set_size()
414 	dev_warn(disk_to_dev(nbd->disk), "shutting down sockets\n");  in sock_shutdown()
559 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in __sock_xmit()
672 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_send_cmd()
732 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_send_cmd()
767 				dev_err(disk_to_dev(nbd->disk),  in nbd_send_cmd()
800 	dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_send_cmd()
857 			dev_err(disk_to_dev(nbd->disk),  in nbd_read_reply()
863 		dev_err(disk_to_dev(nbd->disk), "Wrong magic (0x%lx)\n",  in nbd_read_reply()
890 		dev_err(disk_to_dev(nbd->disk), "Unexpected reply (%d) %p\n",  in nbd_handle_reply()
899 		dev_err(disk_to_dev(nbd->disk), "Suspicious reply %d (status %u flags %lu)",  in nbd_handle_reply()
905 		dev_err(disk_to_dev(nbd->disk), "Unexpected reply %d from different sock %d (expected %d)",  in nbd_handle_reply()
911 		dev_err(disk_to_dev(nbd->disk), "Double reply on req %p, cmd_cookie %u, handle cookie %u\n",  in nbd_handle_reply()
917 		dev_err(disk_to_dev(nbd->disk), "Command already handled %p\n",  in nbd_handle_reply()
923 		dev_err(disk_to_dev(nbd->disk), "Raced with timeout on req %p\n",  in nbd_handle_reply()
929 		dev_err(disk_to_dev(nbd->disk), "Other side returned error (%d)\n",  in nbd_handle_reply()
945 				dev_err(disk_to_dev(nbd->disk), "Receive data failed (result %d)\n",  in nbd_handle_reply()
977 	struct request_queue *q = nbd->disk->queue;  in recv_work()
995 			dev_err(disk_to_dev(nbd->disk), "%s: no io inflight\n",  in recv_work()
1052 	blk_mq_quiesce_queue(nbd->disk->queue);  in nbd_clear_que()
1054 	blk_mq_unquiesce_queue(nbd->disk->queue);  in nbd_clear_que()
1055 	dev_dbg(disk_to_dev(nbd->disk), "queue cleared\n");  in nbd_clear_que()
1069 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in find_fallback()
1092 			dev_err_ratelimited(disk_to_dev(nbd->disk),  in find_fallback()
1129 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_handle_cmd()
1135 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_handle_cmd()
1225 		dev_err(disk_to_dev(nbd->disk), "Unsupported socket: should be TCP or UNIX.\n");  in nbd_get_socket()
1232 		dev_err(disk_to_dev(nbd->disk), "Unsupported socket: shutdown callout must be supported.\n");  in nbd_get_socket()
1262 	memflags = blk_mq_freeze_queue(nbd->disk->queue);  in nbd_add_socket()
1271 		dev_err(disk_to_dev(nbd->disk),  in nbd_add_socket()
1303 	blk_mq_unfreeze_queue(nbd->disk->queue, memflags);  in nbd_add_socket()
1308 	blk_mq_unfreeze_queue(nbd->disk->queue, memflags);  in nbd_add_socket()
1377 	if (disk_openers(nbd->disk) > 1)  in nbd_bdev_reset()
1379 	set_capacity(nbd->disk, 0);  in nbd_bdev_reset()
1385 		set_disk_ro(nbd->disk, true);  in nbd_parse_flags()
1387 		set_disk_ro(nbd->disk, false);  in nbd_parse_flags()
1408 			dev_err(disk_to_dev(nbd->disk),  in send_disconnects()
1418 	dev_info(disk_to_dev(nbd->disk), "NBD_DISCONNECT\n");  in nbd_disconnect()
1438 		invalidate_disk(nbd->disk);  in nbd_config_put()
1443 			device_remove_file(disk_to_dev(nbd->disk), &pid_attr);  in nbd_config_put()
1447 			device_remove_file(disk_to_dev(nbd->disk), &backend_attr);  in nbd_config_put()
1483 		dev_err(disk_to_dev(nbd->disk), "server does not support multiple connections per device.\n");  in nbd_start_device()
1502 	error = device_create_file(disk_to_dev(nbd->disk), &pid_attr);  in nbd_start_device()
1504 		dev_err(disk_to_dev(nbd->disk), "device_create_file failed for pid!\n");  in nbd_start_device()
1553 		set_bit(GD_NEED_PART_SCAN, &nbd->disk->state);  in nbd_start_device_ioctl()
1576 	disk_force_media_change(nbd->disk);  in nbd_clear_sock_ioctl()
1587 		blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ);  in nbd_set_cmd_timeout()
1589 		blk_queue_rq_timeout(nbd->disk->queue, 30 * HZ);  in nbd_set_cmd_timeout()
1705 static int nbd_open(struct gendisk *disk, blk_mode_t mode)  in nbd_open()  argument
1712 	nbd = disk->private_data;  in nbd_open()
1738 			set_bit(GD_NEED_PART_SCAN, &disk->state);  in nbd_open()
1741 			set_bit(GD_NEED_PART_SCAN, &disk->state);  in nbd_open()
1748 static void nbd_release(struct gendisk *disk)  in nbd_release()  argument
1750 	struct nbd_device *nbd = disk->private_data;  in nbd_release()
1753 			disk_openers(disk) == 0)  in nbd_release()
1760 static void nbd_free_disk(struct gendisk *disk)  in nbd_free_disk()  argument
1762 	struct nbd_device *nbd = disk->private_data;  in nbd_free_disk()
1916 	struct gendisk *disk;  in nbd_dev_add()  local
1954 	disk = blk_mq_alloc_disk(&nbd->tag_set, &lim, NULL);  in nbd_dev_add()
1955 	if (IS_ERR(disk)) {  in nbd_dev_add()
1956 		err = PTR_ERR(disk);  in nbd_dev_add()
1959 	nbd->disk = disk;  in nbd_dev_add()
1965 		dev_err(disk_to_dev(nbd->disk), "Could not allocate knbd recv work queue.\n");  in nbd_dev_add()
1978 	disk->major = NBD_MAJOR;  in nbd_dev_add()
1979 	disk->first_minor = index << part_shift;  in nbd_dev_add()
1980 	disk->minors = 1 << part_shift;  in nbd_dev_add()
1981 	disk->fops = &nbd_fops;  in nbd_dev_add()
1982 	disk->private_data = nbd;  in nbd_dev_add()
1983 	sprintf(disk->disk_name, "nbd%d", index);  in nbd_dev_add()
1984 	err = add_disk(disk);  in nbd_dev_add()
1998 	put_disk(disk);  in nbd_dev_add()
2231 	ret = device_create_file(disk_to_dev(nbd->disk), &backend_attr);  in nbd_genl_connect()
2233 		dev_err(disk_to_dev(nbd->disk),  in nbd_genl_connect()