3917 	struct btrfs_device *device = bio->bi_private;  in btrfs_end_super_write()  local
3926 			btrfs_warn_rl_in_rcu(device->fs_info,  in btrfs_end_super_write()
3928 				rcu_str_deref(device->name),  in btrfs_end_super_write()
3932 			btrfs_dev_stat_inc_and_print(device,  in btrfs_end_super_write()
4034 static int write_dev_supers(struct btrfs_device *device,  in write_dev_supers()  argument
4037 	struct btrfs_fs_info *fs_info = device->fs_info;  in write_dev_supers()
4038 	struct address_space *mapping = device->bdev->bd_inode->i_mapping;  in write_dev_supers()
4056 		ret = btrfs_sb_log_location(device, i, WRITE, &bytenr);  in write_dev_supers()
4060 			btrfs_err(device->fs_info,  in write_dev_supers()
4067 		    device->commit_total_bytes)  in write_dev_supers()
4079 			btrfs_err(device->fs_info,  in write_dev_supers()
4097 		bio = bio_alloc(device->bdev, 1,  in write_dev_supers()
4101 		bio->bi_private = device;  in write_dev_supers()
4111 		if (i == 0 && !btrfs_test_opt(device->fs_info, NOBARRIER))  in write_dev_supers()
4117 		if (btrfs_advance_sb_log(device, i))  in write_dev_supers()
4130 static int wait_dev_supers(struct btrfs_device *device, int max_mirrors)  in wait_dev_supers()  argument
4144 		ret = btrfs_sb_log_location(device, i, READ, &bytenr);  in wait_dev_supers()
4154 		    device->commit_total_bytes)  in wait_dev_supers()
4157 		page = find_get_page(device->bdev->bd_inode->i_mapping,  in wait_dev_supers()
4182 		btrfs_err(device->fs_info, "error writing primary super block to device %llu",  in wait_dev_supers()
4183 			  device->devid);  in wait_dev_supers()
4204 static void write_dev_flush(struct btrfs_device *device)  in write_dev_flush()  argument
4206 	struct bio *bio = &device->flush_bio;  in write_dev_flush()
4219 	if (!bdev_write_cache(device->bdev))  in write_dev_flush()
4223 	bio_init(bio, device->bdev, NULL, 0,  in write_dev_flush()
4226 	init_completion(&device->flush_wait);  in write_dev_flush()
4227 	bio->bi_private = &device->flush_wait;  in write_dev_flush()
4231 	set_bit(BTRFS_DEV_STATE_FLUSH_SENT, &device->dev_state);  in write_dev_flush()
4237 static blk_status_t wait_dev_flush(struct btrfs_device *device)  in wait_dev_flush()  argument
4239 	struct bio *bio = &device->flush_bio;  in wait_dev_flush()
4241 	if (!test_bit(BTRFS_DEV_STATE_FLUSH_SENT, &device->dev_state))  in wait_dev_flush()
4244 	clear_bit(BTRFS_DEV_STATE_FLUSH_SENT, &device->dev_state);  in wait_dev_flush()
4245 	wait_for_completion_io(&device->flush_wait);  in wait_dev_flush()