Re: [PATCH] zram: support a page writeback

[Sergey Senozhatsky]

On (20/10/12 00:14), Minchan Kim wrote:
>  
>  With the command, zram writeback idle pages from memory to the storage.
>  
> +If admin want to write a specific page in zram device to backing device,
> +they could write the page index into the interface.
> +
> +	echo 1251 > /sys/block/zramX/writeback
> +

May be we can make it more explicit?

	echo "page_index=123" > /sys/block/zramX/writeback

Just in case of future extensions. E.g. someone might want to
have something like

	echo "idle_nr=123" > /sys/block/zramX/writeback

which would write_back 123 idle pages max.

	-ss