Re: [PATCH] zram: drop slot trylock and miss_free

[Matthew Wilcox]

On Tue, Feb 10, 2026 at 12:50:37PM +0900, Sergey Senozhatsky wrote:
> @@ -1943,15 +1927,9 @@ static ssize_t debug_stat_show(struct device *dev,
>  {
>  	int version = 1;
>  	struct zram *zram = dev_to_zram(dev);
> -	ssize_t ret;
>  
>  	guard(rwsem_read)(&zram->dev_lock);
> -	ret = sysfs_emit(buf,
> -			"version: %d\n0 %8llu\n",
> -			version,
> -			(u64)atomic64_read(&zram->stats.miss_free));
> -
> -	return ret;
> +	return sysfs_emit(buf, "version: %d\n0 0\n", version);
>  }

You don't need the dev_lock any more to just report the version.
And should the version be changed now that you've changed the format to
not include miss_free?