160 		if (!fs_info->log_root_tree)  in start_log_trans()
2920 		ret = btrfs_insert_root(trans, fs_info->log_root_tree,  in update_log_root()
2923 		ret = btrfs_update_root(trans, fs_info->log_root_tree,  in update_log_root()
3021 	struct btrfs_root *log_root_tree = fs_info->log_root_tree;  in btrfs_sync_log()  local
3114 	mutex_lock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3116 	index2 = log_root_tree->log_transid % 2;  in btrfs_sync_log()
3117 	list_add_tail(&root_log_ctx.list, &log_root_tree->log_ctxs[index2]);  in btrfs_sync_log()
3118 	root_log_ctx.log_transid = log_root_tree->log_transid;  in btrfs_sync_log()
3135 			mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3139 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3144 	if (log_root_tree->log_transid_committed >= root_log_ctx.log_transid) {  in btrfs_sync_log()
3147 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3153 	if (atomic_read(&log_root_tree->log_commit[index2])) {  in btrfs_sync_log()
3156 		wait_log_commit(log_root_tree,  in btrfs_sync_log()
3158 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3163 	ASSERT(root_log_ctx.log_transid == log_root_tree->log_transid);  in btrfs_sync_log()
3164 	atomic_set(&log_root_tree->log_commit[index2], 1);  in btrfs_sync_log()
3166 	if (atomic_read(&log_root_tree->log_commit[(index2 + 1) % 2])) {  in btrfs_sync_log()
3167 		wait_log_commit(log_root_tree,  in btrfs_sync_log()
3178 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3184 					 &log_root_tree->dirty_log_pages,  in btrfs_sync_log()
3190 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3195 		ret = btrfs_wait_tree_log_extents(log_root_tree,  in btrfs_sync_log()
3199 		mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3204 				 log_root_tree->node->start);  in btrfs_sync_log()
3206 				       btrfs_header_level(log_root_tree->node));  in btrfs_sync_log()
3208 	log_root_tree->log_transid++;  in btrfs_sync_log()
3209 	mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3231 	mutex_lock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3232 	btrfs_remove_all_log_ctxs(log_root_tree, index2, ret);  in btrfs_sync_log()
3234 	log_root_tree->log_transid_committed++;  in btrfs_sync_log()
3235 	atomic_set(&log_root_tree->log_commit[index2], 0);  in btrfs_sync_log()
3236 	mutex_unlock(&log_root_tree->log_mutex);  in btrfs_sync_log()
3243 	cond_wake_up(&log_root_tree->log_commit_wait[index2]);  in btrfs_sync_log()
3300 	if (fs_info->log_root_tree) {  in btrfs_free_log_root_tree()
3301 		free_log_tree(trans, fs_info->log_root_tree);  in btrfs_free_log_root_tree()
3302 		fs_info->log_root_tree = NULL;  in btrfs_free_log_root_tree()
6179 int btrfs_recover_log_trees(struct btrfs_root *log_root_tree)  in btrfs_recover_log_trees()  argument
6187 	struct btrfs_fs_info *fs_info = log_root_tree->fs_info;  in btrfs_recover_log_trees()
6208 	ret = walk_log_tree(trans, log_root_tree, &wc);  in btrfs_recover_log_trees()
6221 		ret = btrfs_search_slot(NULL, log_root_tree, &key, path, 0, 0);  in btrfs_recover_log_trees()
6239 		log = btrfs_read_tree_root(log_root_tree, &found_key);  in btrfs_recover_log_trees()
6335 	log_root_tree->log_root = NULL;  in btrfs_recover_log_trees()
6337 	btrfs_put_root(log_root_tree);  in btrfs_recover_log_trees()