From: Brian Foster <bfoster@redhat.com>
To: Colin King <colin.king@canonical.com>
Cc: "Darrick J . Wong" <darrick.wong@oracle.com>,
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
Date: Mon, 18 Sep 2017 08:44:51 -0400 [thread overview]
Message-ID: <20170918124450.GC29965@bfoster.bfoster> (raw)
In-Reply-To: <20170918120157.30134-1-colin.king@canonical.com>
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: Brian Foster <bfoster@redhat.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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next prev parent reply other threads:[~2017-09-18 12:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-18 12:01 [PATCH] xfs: remove redundant re-initialization of total_nr_pages Colin King
2017-09-18 12:44 ` Brian Foster [this message]
2017-09-18 20:38 ` Darrick J. Wong
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