181 		if (!fs_info->log_root_tree) {  in start_log_trans()
2791 		ret = btrfs_insert_root(trans, fs_info->log_root_tree,  in update_log_root()
2794 		ret = btrfs_update_root(trans, fs_info->log_root_tree,  in update_log_root()
2932 	struct btrfs_root *log_root_tree = fs_info->log_root_tree;  in btrfs_sync_log()  local
3037 		if (!log_root_tree->node) {  in btrfs_sync_log()
3038 			ret = btrfs_alloc_log_tree_node(trans, log_root_tree);  in btrfs_sync_log()
3050 	mutex_lock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3052 	index2 = log_root_tree->log_transid % 2;  in btrfs_sync_log()
3053 	list_add_tail(&root_log_ctx.list, &log_root_tree->log_ctxs[index2]);  in btrfs_sync_log()
3054 	root_log_ctx.log_transid = log_root_tree->log_transid;  in btrfs_sync_log()
3071 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3075 	if (log_root_tree->log_transid_committed >= root_log_ctx.log_transid) {  in btrfs_sync_log()
3078 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3083 	if (atomic_read(&log_root_tree->log_commit[index2])) {  in btrfs_sync_log()
3086 		wait_log_commit(log_root_tree,  in btrfs_sync_log()
3088 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3093 	ASSERT(root_log_ctx.log_transid == log_root_tree->log_transid);  in btrfs_sync_log()
3094 	atomic_set(&log_root_tree->log_commit[index2], 1);  in btrfs_sync_log()
3096 	if (atomic_read(&log_root_tree->log_commit[(index2 + 1) % 2])) {  in btrfs_sync_log()
3097 		wait_log_commit(log_root_tree,  in btrfs_sync_log()
3108 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3114 					 &log_root_tree->dirty_log_pages,  in btrfs_sync_log()
3125 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3129 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3134 		ret = btrfs_wait_tree_log_extents(log_root_tree,  in btrfs_sync_log()
3138 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3142 	log_root_start = log_root_tree->node->start;  in btrfs_sync_log()
3143 	log_root_level = btrfs_header_level(log_root_tree->node);  in btrfs_sync_log()
3144 	log_root_tree->log_transid++;  in btrfs_sync_log()
3145 	mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3201 	mutex_lock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3202 	btrfs_remove_all_log_ctxs(log_root_tree, index2, ret);  in btrfs_sync_log()
3204 	log_root_tree->log_transid_committed++;  in btrfs_sync_log()
3205 	atomic_set(&log_root_tree->log_commit[index2], 0);  in btrfs_sync_log()
3206 	mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3213 	cond_wake_up(&log_root_tree->log_commit_wait[index2]);  in btrfs_sync_log()
3295 	if (fs_info->log_root_tree) {  in btrfs_free_log_root_tree()
3296 		free_log_tree(trans, fs_info->log_root_tree);  in btrfs_free_log_root_tree()
3297 		fs_info->log_root_tree = NULL;  in btrfs_free_log_root_tree()
7213 int btrfs_recover_log_trees(struct btrfs_root *log_root_tree)  in btrfs_recover_log_trees()  argument
7221 	struct btrfs_fs_info *fs_info = log_root_tree->fs_info;  in btrfs_recover_log_trees()
7242 	ret = walk_log_tree(trans, log_root_tree, &wc);  in btrfs_recover_log_trees()
7254 		ret = btrfs_search_slot(NULL, log_root_tree, &key, path, 0, 0);  in btrfs_recover_log_trees()
7271 		log = btrfs_read_tree_root(log_root_tree, &found_key);  in btrfs_recover_log_trees()
7370 	log_root_tree->log_root = NULL;  in btrfs_recover_log_trees()
7372 	btrfs_put_root(log_root_tree);  in btrfs_recover_log_trees()