Date: Mon, 18 Sep 2017 13:38:30 -0700
From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Colin King <colin.king@canonical.com>
Cc: linux-xfs@vger.kernel.org, kernel-janitors@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] xfs: remove redundant re-initialization of total_nr_pages
Message-ID: <20170918203830.GV6540@magnolia>
References: <20170918120157.30134-1-colin.king@canonical.com>
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On Mon, Sep 18, 2017 at 01:01:57PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> Variable total_nr_pages is being initialized and then updated with
> the same value, this latter assignment is redundant and can be
> removed.  Cleans up clang build warning:
> 
> Value stored to 'total_nr_pages' during its initialization is never read
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>

> ---
>  fs/xfs/xfs_buf.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
> index da14658da310..2f97c12ca75e 100644
> --- a/fs/xfs/xfs_buf.c
> +++ b/fs/xfs/xfs_buf.c
> @@ -1258,8 +1258,6 @@ xfs_buf_ioapply_map(
>  	int		size;
>  	int		offset;
>  
> -	total_nr_pages = bp->b_page_count;
> -
>  	/* skip the pages in the buffer before the start offset */
>  	page_index = 0;
>  	offset = *buf_offset;
> -- 
> 2.14.1
> 
> --
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