bluesky_block_touch(inode, inode->blocks->len - 1);
gsize old_size = b->data->len;
bluesky_string_resize(b->data, BLUESKY_BLOCK_SIZE);
bluesky_block_touch(inode, inode->blocks->len - 1);
gsize old_size = b->data->len;
bluesky_string_resize(b->data, BLUESKY_BLOCK_SIZE);