rem: struct sshfs_file *sf = (struct sshfs_file *) fi->fh;
add: struct sshfs_file *sf = get_sshfs_file(fi);
context: static int sshfs_release(const char *path, struct fuse_file_info *fi){    struct sshfs_file *sf = (struct sshfs_file *) fi->fh;    struct buffer *handle = &sf->handle;    if (sshfs_file_is_conn(sf)) {        sshfs_flush(path, fi);        sftp_request(SSH_FXP_CLOSE, handle, 0, NULL);    }    buf_free(handle);    chunk_put_locked(sf->readahead);    g_free(sf);    return 0;}