On Fri, May 21, 2021 at 02:05:44PM +0800, Yue Hu wrote:
> From: Yue Hu <huyue2@xxxxxxxxxx>
>
> backing_dev is never used when not enable CONFIG_ZRAM_WRITEBACK and
> it's introduced from writeback feature. So it's needless also affect
> readability in that case.
>
> Signed-off-by: Yue Hu <huyue2@xxxxxxxxxx>
> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
> Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Andrew, could you pick?
> ---
> drivers/block/zram/zram_drv.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h
> index 419a7e8..6e73dc3 100644
> --- a/drivers/block/zram/zram_drv.h
> +++ b/drivers/block/zram/zram_drv.h
> @@ -113,8 +113,8 @@ struct zram {
> * zram is claimed so open request will be failed
> */
> bool claim; /* Protected by bdev->bd_mutex */
> - struct file *backing_dev;
> #ifdef CONFIG_ZRAM_WRITEBACK
> + struct file *backing_dev;
> spinlock_t wb_limit_lock;
> bool wb_limit_enable;
> u64 bd_wb_limit;
> --
> 1.9.1
>
