530 	struct nilfs_root *root;  in nilfs_attach_checkpoint()  local
535 	root = nilfs_find_or_create_root(  in nilfs_attach_checkpoint()
537 	if (!root)  in nilfs_attach_checkpoint()
540 	if (root->ifile)  in nilfs_attach_checkpoint()
558 	err = nilfs_ifile_read(sb, root, nilfs->ns_inode_size,  in nilfs_attach_checkpoint()
559 			       &raw_cp->cp_ifile_inode, &root->ifile);  in nilfs_attach_checkpoint()
563 	atomic64_set(&root->inodes_count,  in nilfs_attach_checkpoint()
565 	atomic64_set(&root->blocks_count,  in nilfs_attach_checkpoint()
571 	*rootp = root;  in nilfs_attach_checkpoint()
577 	nilfs_put_root(root);  in nilfs_attach_checkpoint()
613 	struct nilfs_root *root = NILFS_I(d_inode(dentry))->i_root;  in nilfs_statfs()  local
614 	struct the_nilfs *nilfs = root->nilfs;  in nilfs_statfs()
645 	err = nilfs_ifile_count_free_inodes(root->ifile,  in nilfs_statfs()
658 			nmaxinodes = atomic64_read(&root->inodes_count);  in nilfs_statfs()
684 	struct nilfs_root *root = NILFS_I(d_inode(dentry))->i_root;  in nilfs_show_options()  local
688 	if (root->cno != NILFS_CPTREE_CURRENT_CNO)  in nilfs_show_options()
689 		seq_printf(seq, ",cp=%llu", (unsigned long long)root->cno);  in nilfs_show_options()
919 				 struct nilfs_root *root,  in nilfs_get_root_dentry()  argument
926 	inode = nilfs_iget(sb, root, NILFS_ROOT_INO);  in nilfs_get_root_dentry()
939 	if (root->cno == NILFS_CPTREE_CURRENT_CNO) {  in nilfs_get_root_dentry()
970 	struct nilfs_root *root;  in nilfs_attach_snapshot()  local
989 	ret = nilfs_attach_checkpoint(s, cno, false, &root);  in nilfs_attach_snapshot()
996 	ret = nilfs_get_root_dentry(s, root, root_dentry);  in nilfs_attach_snapshot()
997 	nilfs_put_root(root);  in nilfs_attach_snapshot()
1018 	struct nilfs_root *root;  in nilfs_checkpoint_is_mounted()  local
1030 	root = nilfs_lookup_root(nilfs, cno);  in nilfs_checkpoint_is_mounted()
1031 	if (root) {  in nilfs_checkpoint_is_mounted()
1032 		inode = nilfs_ilookup(sb, root, NILFS_ROOT_INO);  in nilfs_checkpoint_is_mounted()
1041 		nilfs_put_root(root);  in nilfs_checkpoint_is_mounted()
1171 		struct nilfs_root *root;  in nilfs_remount()  local
1193 		root = NILFS_I(d_inode(sb->s_root))->i_root;  in nilfs_remount()
1194 		err = nilfs_attach_log_writer(sb, root);  in nilfs_remount()