178 		int index = root->log_transid % 2;  in start_log_trans()
180 		ctx->log_transid = root->log_transid;  in start_log_trans()
2629 	if (log->log_transid == 1) {  in update_log_root()
2732 	int log_transid = 0;  in btrfs_sync_log()  local
2737 	log_transid = ctx->log_transid;  in btrfs_sync_log()
2738 	if (root->log_transid_committed >= log_transid) {  in btrfs_sync_log()
2743 	index1 = log_transid % 2;  in btrfs_sync_log()
2745 		wait_log_commit(root, log_transid);  in btrfs_sync_log()
2749 	ASSERT(log_transid == root->log_transid);  in btrfs_sync_log()
2754 		wait_log_commit(root, log_transid - 1);  in btrfs_sync_log()
2773 		btrfs_free_logged_extents(log, log_transid);  in btrfs_sync_log()
2778 	if (log_transid % 2 == 0)  in btrfs_sync_log()
2791 		btrfs_free_logged_extents(log, log_transid);  in btrfs_sync_log()
2799 	root->log_transid++;  in btrfs_sync_log()
2800 	log->log_transid = root->log_transid;  in btrfs_sync_log()
2815 	index2 = log_root_tree->log_transid % 2;  in btrfs_sync_log()
2817 	root_log_ctx.log_transid = log_root_tree->log_transid;  in btrfs_sync_log()
2845 		btrfs_free_logged_extents(log, log_transid);  in btrfs_sync_log()
2851 	if (log_root_tree->log_transid_committed >= root_log_ctx.log_transid) {  in btrfs_sync_log()
2858 	index2 = root_log_ctx.log_transid % 2;  in btrfs_sync_log()
2863 		btrfs_wait_logged_extents(trans, log, log_transid);  in btrfs_sync_log()
2865 				root_log_ctx.log_transid);  in btrfs_sync_log()
2871 	ASSERT(root_log_ctx.log_transid == log_root_tree->log_transid);  in btrfs_sync_log()
2876 				root_log_ctx.log_transid - 1);  in btrfs_sync_log()
2888 		btrfs_free_logged_extents(log, log_transid);  in btrfs_sync_log()
2901 		btrfs_free_logged_extents(log, log_transid);  in btrfs_sync_log()
2912 		btrfs_free_logged_extents(log, log_transid);  in btrfs_sync_log()
2916 	btrfs_wait_logged_extents(trans, log, log_transid);  in btrfs_sync_log()
2923 	log_root_tree->log_transid++;  in btrfs_sync_log()
2941 	if (root->last_log_commit < log_transid)  in btrfs_sync_log()
2942 		root->last_log_commit = log_transid;  in btrfs_sync_log()