2825 	struct async_delayed_refs *async;  in delayed_ref_async_start()  local
2829 	async = container_of(work, struct async_delayed_refs, work);  in delayed_ref_async_start()
2831 	trans = btrfs_join_transaction(async->root);  in delayed_ref_async_start()
2833 		async->error = PTR_ERR(trans);  in delayed_ref_async_start()
2842 	ret = btrfs_run_delayed_refs(trans, async->root, async->count);  in delayed_ref_async_start()
2844 		async->error = ret;  in delayed_ref_async_start()
2846 	ret = btrfs_end_transaction(trans, async->root);  in delayed_ref_async_start()
2847 	if (ret && !async->error)  in delayed_ref_async_start()
2848 		async->error = ret;  in delayed_ref_async_start()
2850 	if (async->sync)  in delayed_ref_async_start()
2851 		complete(&async->wait);  in delayed_ref_async_start()
2853 		kfree(async);  in delayed_ref_async_start()
2859 	struct async_delayed_refs *async;  in btrfs_async_run_delayed_refs()  local
2862 	async = kmalloc(sizeof(*async), GFP_NOFS);  in btrfs_async_run_delayed_refs()
2863 	if (!async)  in btrfs_async_run_delayed_refs()
2866 	async->root = root->fs_info->tree_root;  in btrfs_async_run_delayed_refs()
2867 	async->count = count;  in btrfs_async_run_delayed_refs()
2868 	async->error = 0;  in btrfs_async_run_delayed_refs()
2870 		async->sync = 1;  in btrfs_async_run_delayed_refs()
2872 		async->sync = 0;  in btrfs_async_run_delayed_refs()
2873 	init_completion(&async->wait);  in btrfs_async_run_delayed_refs()
2875 	btrfs_init_work(&async->work, btrfs_extent_refs_helper,  in btrfs_async_run_delayed_refs()
2878 	btrfs_queue_work(root->fs_info->extent_workers, &async->work);  in btrfs_async_run_delayed_refs()
2881 		wait_for_completion(&async->wait);  in btrfs_async_run_delayed_refs()
2882 		ret = async->error;  in btrfs_async_run_delayed_refs()
2883 		kfree(async);  in btrfs_async_run_delayed_refs()