rem: struct sshfs_file *sf = (struct sshfs_file *) fi->fh;
add: struct sshfs_file *sf = get_sshfs_file(fi);
context: static int sshfs_read(const char *path, char *rbuf, size_t size, off_t offset,                      struct fuse_file_info *fi){    struct sshfs_file *sf = (struct sshfs_file *) fi->fh;    (void) path;    if (!sshfs_file_is_conn(sf))        return -EIO;    if (sync_read)        return sshfs_sync_read(sf, rbuf, size, offset);    else        return sshfs_async_read(sf, rbuf, size, offset);}