linux-kernel - Re: dm writecache: remove unused member pointer in writeback

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Date:   Sun, 11 Aug 2019 14:10:24 -0400 (EDT)
From:   Mikulas Patocka <mpatocka@...hat.com>
To:     Huaisheng Ye <yehs2007@...o.com>
cc:     snitzer@...hat.com, agk@...hat.com, prarit@...hat.com,
        tyu1@...ovo.com, dm-devel@...hat.com, linux-kernel@...r.kernel.org,
        Huaisheng Ye <yehs1@...ovo.com>
Subject: Re: dm writecache: remove unused member pointer in
 writeback_struct



On Mon, 12 Aug 2019, Huaisheng Ye wrote:

> From: Huaisheng Ye <yehs1@...ovo.com>
> 
> The stucture member pointer page in writeback_struct never has been
> used actually. Remove it.
> 
> Signed-off-by: Huaisheng Ye <yehs1@...ovo.com>

Acked-by: Mikulas Patocka <mpatocka@...hat.com>

> ---
>  drivers/md/dm-writecache.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
> index 1cb137f..5c7009d 100644
> --- a/drivers/md/dm-writecache.c
> +++ b/drivers/md/dm-writecache.c
> @@ -190,7 +190,6 @@ struct writeback_struct {
>  	struct dm_writecache *wc;
>  	struct wc_entry **wc_list;
>  	unsigned wc_list_n;
> -	struct page *page;
>  	struct wc_entry *wc_list_inline[WB_LIST_INLINE];
>  	struct bio bio;
>  };
> -- 
> 1.8.3.1
> 
>