154 		if (!fs_info->log_root_tree)  in start_log_trans()
2916 		ret = btrfs_insert_root(trans, fs_info->log_root_tree,  in update_log_root()
2919 		ret = btrfs_update_root(trans, fs_info->log_root_tree,  in update_log_root()
3017 	struct btrfs_root *log_root_tree = fs_info->log_root_tree;  in btrfs_sync_log()  local
3110 	mutex_lock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3111 	atomic_inc(&log_root_tree->log_batch);  in btrfs_sync_log()
3112 	atomic_inc(&log_root_tree->log_writers);  in btrfs_sync_log()
3114 	index2 = log_root_tree->log_transid % 2;  in btrfs_sync_log()
3115 	list_add_tail(&root_log_ctx.list, &log_root_tree->log_ctxs[index2]);  in btrfs_sync_log()
3116 	root_log_ctx.log_transid = log_root_tree->log_transid;  in btrfs_sync_log()
3118 	mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3120 	mutex_lock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3129 	if (atomic_dec_and_test(&log_root_tree->log_writers)) {  in btrfs_sync_log()
3131 		cond_wake_up_nomb(&log_root_tree->log_writer_wait);  in btrfs_sync_log()
3143 			mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3147 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3152 	if (log_root_tree->log_transid_committed >= root_log_ctx.log_transid) {  in btrfs_sync_log()
3155 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3161 	if (atomic_read(&log_root_tree->log_commit[index2])) {  in btrfs_sync_log()
3164 		wait_log_commit(log_root_tree,  in btrfs_sync_log()
3166 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3171 	ASSERT(root_log_ctx.log_transid == log_root_tree->log_transid);  in btrfs_sync_log()
3172 	atomic_set(&log_root_tree->log_commit[index2], 1);  in btrfs_sync_log()
3174 	if (atomic_read(&log_root_tree->log_commit[(index2 + 1) % 2])) {  in btrfs_sync_log()
3175 		wait_log_commit(log_root_tree,  in btrfs_sync_log()
3179 	wait_for_writer(log_root_tree);  in btrfs_sync_log()
3188 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3194 					 &log_root_tree->dirty_log_pages,  in btrfs_sync_log()
3200 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3205 		ret = btrfs_wait_tree_log_extents(log_root_tree,  in btrfs_sync_log()
3209 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3214 				 log_root_tree->node->start);  in btrfs_sync_log()
3216 				       btrfs_header_level(log_root_tree->node));  in btrfs_sync_log()
3218 	log_root_tree->log_transid++;  in btrfs_sync_log()
3219 	mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3241 	mutex_lock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3242 	btrfs_remove_all_log_ctxs(log_root_tree, index2, ret);  in btrfs_sync_log()
3244 	log_root_tree->log_transid_committed++;  in btrfs_sync_log()
3245 	atomic_set(&log_root_tree->log_commit[index2], 0);  in btrfs_sync_log()
3246 	mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3253 	cond_wake_up(&log_root_tree->log_commit_wait[index2]);  in btrfs_sync_log()
3321 	if (fs_info->log_root_tree) {  in btrfs_free_log_root_tree()
3322 		free_log_tree(trans, fs_info->log_root_tree);  in btrfs_free_log_root_tree()
3323 		fs_info->log_root_tree = NULL;  in btrfs_free_log_root_tree()
5858 int btrfs_recover_log_trees(struct btrfs_root *log_root_tree)  in btrfs_recover_log_trees()  argument
5867 	struct btrfs_fs_info *fs_info = log_root_tree->fs_info;  in btrfs_recover_log_trees()
5888 	ret = walk_log_tree(trans, log_root_tree, &wc);  in btrfs_recover_log_trees()
5901 		ret = btrfs_search_slot(NULL, log_root_tree, &key, path, 0, 0);  in btrfs_recover_log_trees()
5919 		log = btrfs_read_fs_root(log_root_tree, &found_key);  in btrfs_recover_log_trees()
6021 	free_extent_buffer(log_root_tree->node);  in btrfs_recover_log_trees()
6022 	log_root_tree->log_root = NULL;  in btrfs_recover_log_trees()
6024 	kfree(log_root_tree);  in btrfs_recover_log_trees()