linux-kernel - Re: [PATCH 12/12] iomap: cleanup iomap_ioend

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Date:   Tue, 15 Oct 2019 10:57:36 -0700
From:   "Darrick J. Wong" <darrick.wong@...cle.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Damien Le Moal <Damien.LeMoal@....com>,
        Andreas Gruenbacher <agruenba@...hat.com>,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 12/12] iomap: cleanup iomap_ioend_compare

On Tue, Oct 15, 2019 at 05:43:45PM +0200, Christoph Hellwig wrote:
> Move the initialization of ia and ib to the declaration line and remove
> a superflous else.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@...cle.com>

--D

> ---
>  fs/iomap/buffered-io.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
> index c57acc3d3120..0c7f185c8c52 100644
> --- a/fs/iomap/buffered-io.c
> +++ b/fs/iomap/buffered-io.c
> @@ -1226,13 +1226,12 @@ EXPORT_SYMBOL_GPL(iomap_ioend_try_merge);
>  static int
>  iomap_ioend_compare(void *priv, struct list_head *a, struct list_head *b)
>  {
> -	struct iomap_ioend *ia, *ib;
> +	struct iomap_ioend *ia = container_of(a, struct iomap_ioend, io_list);
> +	struct iomap_ioend *ib = container_of(b, struct iomap_ioend, io_list);
>  
> -	ia = container_of(a, struct iomap_ioend, io_list);
> -	ib = container_of(b, struct iomap_ioend, io_list);
>  	if (ia->io_offset < ib->io_offset)
>  		return -1;
> -	else if (ia->io_offset > ib->io_offset)
> +	if (ia->io_offset > ib->io_offset)
>  		return 1;
>  	return 0;
>  }
> -- 
> 2.20.1
>