47 static int btrfs_dev_replace_find_srcdev(struct btrfs_root *root, u64 srcdevid,
308 int btrfs_dev_replace_start(struct btrfs_root *root,  in btrfs_dev_replace_start()  argument
312 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_dev_replace_start()
332 	ret = btrfs_dev_replace_find_srcdev(root, args->start.srcdevid,  in btrfs_dev_replace_start()
340 	ret = btrfs_init_dev_replace_tgtdev(root, args->start.tgtdev_name,  in btrfs_dev_replace_start()
350 	trans = btrfs_attach_transaction(root);  in btrfs_dev_replace_start()
352 		ret = btrfs_commit_transaction(trans, root);  in btrfs_dev_replace_start()
378 	btrfs_info_in_rcu(root->fs_info,  in btrfs_dev_replace_start()
402 		btrfs_err(root->fs_info, "kobj add dev failed %d\n", ret);  in btrfs_dev_replace_start()
404 	btrfs_wait_ordered_roots(root->fs_info, -1);  in btrfs_dev_replace_start()
407 	trans = btrfs_start_transaction(root, 0);  in btrfs_dev_replace_start()
414 	ret = btrfs_commit_transaction(trans, root);  in btrfs_dev_replace_start()
422 	ret = btrfs_dev_replace_finishing(root->fs_info, ret);  in btrfs_dev_replace_start()
466 	struct btrfs_root *root = fs_info->tree_root;  in btrfs_dev_replace_finishing()  local
491 	ret = btrfs_start_delalloc_roots(root->fs_info, 0, -1);  in btrfs_dev_replace_finishing()
496 	btrfs_wait_ordered_roots(root->fs_info, -1);  in btrfs_dev_replace_finishing()
498 	trans = btrfs_start_transaction(root, 0);  in btrfs_dev_replace_finishing()
503 	ret = btrfs_commit_transaction(trans, root);  in btrfs_dev_replace_finishing()
508 	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_dev_replace_finishing()
509 	mutex_lock(&root->fs_info->chunk_mutex);  in btrfs_dev_replace_finishing()
525 		btrfs_err_in_rcu(root->fs_info,  in btrfs_dev_replace_finishing()
532 		mutex_unlock(&root->fs_info->chunk_mutex);  in btrfs_dev_replace_finishing()
533 		mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_dev_replace_finishing()
542 	btrfs_info_in_rcu(root->fs_info,  in btrfs_dev_replace_finishing()
583 	mutex_unlock(&root->fs_info->chunk_mutex);  in btrfs_dev_replace_finishing()
584 	mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_dev_replace_finishing()
592 	trans = btrfs_start_transaction(root, 0);  in btrfs_dev_replace_finishing()
594 		btrfs_commit_transaction(trans, root);  in btrfs_dev_replace_finishing()
627 static int btrfs_dev_replace_find_srcdev(struct btrfs_root *root, u64 srcdevid,  in btrfs_dev_replace_find_srcdev()  argument
635 		*device = btrfs_find_device(root->fs_info, srcdevid, NULL,  in btrfs_dev_replace_find_srcdev()
640 		ret = btrfs_find_device_missing_or_by_path(root, srcdev_name,  in btrfs_dev_replace_find_srcdev()
693 	struct btrfs_root *root = fs_info->tree_root;  in __btrfs_dev_replace_cancel()  local
723 	trans = btrfs_start_transaction(root, 0);  in __btrfs_dev_replace_cancel()
728 	ret = btrfs_commit_transaction(trans, root);  in __btrfs_dev_replace_cancel()