122 	struct gendisk *disk;  member
158 #define nbd_name(nbd) ((nbd)->disk->disk_name)
176 	return disk_to_dev(nbd->disk);  in nbd_to_dev()
223 	struct gendisk *disk = dev_to_disk(dev);  in pid_show()  local
224 	struct nbd_device *nbd = (struct nbd_device *)disk->private_data;  in pid_show()
237 	struct gendisk *disk = dev_to_disk(dev);  in backend_show()  local
238 	struct nbd_device *nbd = (struct nbd_device *)disk->private_data;  in backend_show()
250 	struct gendisk *disk = nbd->disk;  in nbd_dev_remove()  local
252 	del_gendisk(disk);  in nbd_dev_remove()
253 	put_disk(disk);  in nbd_dev_remove()
335 		nbd->disk->queue->limits.discard_granularity = blksize;  in nbd_set_size()
336 		blk_queue_max_discard_sectors(nbd->disk->queue, UINT_MAX);  in nbd_set_size()
338 	blk_queue_logical_block_size(nbd->disk->queue, blksize);  in nbd_set_size()
339 	blk_queue_physical_block_size(nbd->disk->queue, blksize);  in nbd_set_size()
342 		set_bit(GD_NEED_PART_SCAN, &nbd->disk->state);  in nbd_set_size()
343 	if (!set_capacity_and_notify(nbd->disk, bytesize >> 9))  in nbd_set_size()
377 	dev_warn(disk_to_dev(nbd->disk), "shutting down sockets\n");  in sock_shutdown()
504 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in sock_xmit()
574 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_send_cmd()
632 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_send_cmd()
673 				dev_err(disk_to_dev(nbd->disk),  in nbd_send_cmd()
708 			dev_err(disk_to_dev(nbd->disk),  in nbd_read_reply()
714 		dev_err(disk_to_dev(nbd->disk), "Wrong magic (0x%lx)\n",  in nbd_read_reply()
741 		dev_err(disk_to_dev(nbd->disk), "Unexpected reply (%d) %p\n",  in nbd_handle_reply()
750 		dev_err(disk_to_dev(nbd->disk), "Suspicious reply %d (status %u flags %lu)",  in nbd_handle_reply()
756 		dev_err(disk_to_dev(nbd->disk), "Unexpected reply %d from different sock %d (expected %d)",  in nbd_handle_reply()
762 		dev_err(disk_to_dev(nbd->disk), "Double reply on req %p, cmd_cookie %u, handle cookie %u\n",  in nbd_handle_reply()
768 		dev_err(disk_to_dev(nbd->disk), "Command already handled %p\n",  in nbd_handle_reply()
774 		dev_err(disk_to_dev(nbd->disk), "Raced with timeout on req %p\n",  in nbd_handle_reply()
780 		dev_err(disk_to_dev(nbd->disk), "Other side returned error (%d)\n",  in nbd_handle_reply()
796 				dev_err(disk_to_dev(nbd->disk), "Receive data failed (result %d)\n",  in nbd_handle_reply()
828 	struct request_queue *q = nbd->disk->queue;  in recv_work()
846 			dev_err(disk_to_dev(nbd->disk), "%s: no io inflight\n",  in recv_work()
904 	blk_mq_quiesce_queue(nbd->disk->queue);  in nbd_clear_que()
906 	blk_mq_unquiesce_queue(nbd->disk->queue);  in nbd_clear_que()
907 	dev_dbg(disk_to_dev(nbd->disk), "queue cleared\n");  in nbd_clear_que()
921 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in find_fallback()
944 			dev_err_ratelimited(disk_to_dev(nbd->disk),  in find_fallback()
978 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_handle_cmd()
985 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_handle_cmd()
1039 		dev_err_ratelimited(disk_to_dev(nbd->disk),  in nbd_handle_cmd()
1095 		dev_err(disk_to_dev(nbd->disk), "Unsupported socket: shutdown callout must be supported.\n");  in nbd_get_socket()
1121 	blk_mq_freeze_queue(nbd->disk->queue);  in nbd_add_socket()
1130 		dev_err(disk_to_dev(nbd->disk),  in nbd_add_socket()
1161 	blk_mq_unfreeze_queue(nbd->disk->queue);  in nbd_add_socket()
1166 	blk_mq_unfreeze_queue(nbd->disk->queue);  in nbd_add_socket()
1234 	if (disk_openers(nbd->disk) > 1)  in nbd_bdev_reset()
1236 	set_capacity(nbd->disk, 0);  in nbd_bdev_reset()
1243 		set_disk_ro(nbd->disk, true);  in nbd_parse_flags()
1245 		set_disk_ro(nbd->disk, false);  in nbd_parse_flags()
1248 			blk_queue_write_cache(nbd->disk->queue, true, true);  in nbd_parse_flags()
1250 			blk_queue_write_cache(nbd->disk->queue, true, false);  in nbd_parse_flags()
1253 		blk_queue_write_cache(nbd->disk->queue, false, false);  in nbd_parse_flags()
1274 			dev_err(disk_to_dev(nbd->disk),  in send_disconnects()
1284 	dev_info(disk_to_dev(nbd->disk), "NBD_DISCONNECT\n");  in nbd_disconnect()
1304 		invalidate_disk(nbd->disk);  in nbd_config_put()
1309 			device_remove_file(disk_to_dev(nbd->disk), &pid_attr);  in nbd_config_put()
1313 			device_remove_file(disk_to_dev(nbd->disk), &backend_attr);  in nbd_config_put()
1330 		nbd->disk->queue->limits.discard_granularity = 0;  in nbd_config_put()
1331 		blk_queue_max_discard_sectors(nbd->disk->queue, 0);  in nbd_config_put()
1351 		dev_err(disk_to_dev(nbd->disk), "server does not support multiple connections per device.\n");  in nbd_start_device()
1360 	error = device_create_file(disk_to_dev(nbd->disk), &pid_attr);  in nbd_start_device()
1362 		dev_err(disk_to_dev(nbd->disk), "device_create_file failed for pid!\n");  in nbd_start_device()
1410 		set_bit(GD_NEED_PART_SCAN, &nbd->disk->state);  in nbd_start_device_ioctl()
1445 		blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ);  in nbd_set_cmd_timeout()
1447 		blk_queue_rq_timeout(nbd->disk->queue, 30 * HZ);  in nbd_set_cmd_timeout()
1593 static void nbd_release(struct gendisk *disk, fmode_t mode)  in nbd_release()  argument
1595 	struct nbd_device *nbd = disk->private_data;  in nbd_release()
1598 			disk_openers(disk) == 0)  in nbd_release()
1743 	struct gendisk *disk;  in nbd_dev_add()  local
1781 	disk = blk_mq_alloc_disk(&nbd->tag_set, NULL);  in nbd_dev_add()
1782 	if (IS_ERR(disk)) {  in nbd_dev_add()
1783 		err = PTR_ERR(disk);  in nbd_dev_add()
1786 	nbd->disk = disk;  in nbd_dev_add()
1792 		dev_err(disk_to_dev(nbd->disk), "Could not allocate knbd recv work queue.\n");  in nbd_dev_add()
1800 	blk_queue_flag_set(QUEUE_FLAG_NONROT, disk->queue);  in nbd_dev_add()
1801 	blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, disk->queue);  in nbd_dev_add()
1802 	disk->queue->limits.discard_granularity = 0;  in nbd_dev_add()
1803 	blk_queue_max_discard_sectors(disk->queue, 0);  in nbd_dev_add()
1804 	blk_queue_max_segment_size(disk->queue, UINT_MAX);  in nbd_dev_add()
1805 	blk_queue_max_segments(disk->queue, USHRT_MAX);  in nbd_dev_add()
1806 	blk_queue_max_hw_sectors(disk->queue, 65536);  in nbd_dev_add()
1807 	disk->queue->limits.max_sectors = 256;  in nbd_dev_add()
1817 	disk->major = NBD_MAJOR;  in nbd_dev_add()
1818 	disk->first_minor = index << part_shift;  in nbd_dev_add()
1819 	disk->minors = 1 << part_shift;  in nbd_dev_add()
1820 	disk->fops = &nbd_fops;  in nbd_dev_add()
1821 	disk->private_data = nbd;  in nbd_dev_add()
1822 	sprintf(disk->disk_name, "nbd%d", index);  in nbd_dev_add()
1823 	err = add_disk(disk);  in nbd_dev_add()
1837 	put_disk(disk);  in nbd_dev_add()
2077 	ret = device_create_file(disk_to_dev(nbd->disk), &backend_attr);  in nbd_genl_connect()
2079 		dev_err(disk_to_dev(nbd->disk),  in nbd_genl_connect()