Re: [PATCH] zram: fix unused 'zram_wb_devops' warning

[Kefeng Wang]

+mm,  kindly ping...

On 2022/6/8 15:25, Kefeng Wang wrote:
> drivers/block/zram/zram_drv.c:55:45: warning: 'zram_wb_devops' defined but not used [-Wunused-const-variable=]
>
> Fix the above warning if CONFIG_ZRAM_WRITEBACK not enabled.
>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
> ---
>   drivers/block/zram/zram_drv.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
> index 39cd1397ed3b..fff5eb4d3f20 100644
> --- a/drivers/block/zram/zram_drv.c
> +++ b/drivers/block/zram/zram_drv.c
> @@ -52,7 +52,9 @@ static unsigned int num_devices = 1;
>   static size_t huge_class_size;
>   
>   static const struct block_device_operations zram_devops;
> +#ifdef CONFIG_ZRAM_WRITEBACK
>   static const struct block_device_operations zram_wb_devops;
> +#endif
>   
>   static void zram_free_page(struct zram *zram, size_t index);
>   static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec,