fuse_lookup_name
err = fuse_lookup_name(dir->i_sb, get_node_id(dir), &entry->d_name,
int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name,
err = fuse_lookup_name(sb, handle->nodeid, &name, &outarg,
err = fuse_lookup_name(child_inode->i_sb, get_node_id(child_inode),